Commit | Line | Data |
---|---|---|
7e258d18 | 1 | /* Shared code to pre-read a stab (dbx-style), when building a psymtab. |
c2e4669f JG |
2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992 Free Software Foundation, |
3 | Inc. | |
7e258d18 PB |
4 | |
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., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
20 | ||
21 | /* The following need to be defined: | |
22 | SET_NAMESTRING() --Set namestring to name of symbol. | |
23 | CUR_SYMBOL_TYPE --Type code of current symbol. | |
24 | CUR_SYMBOL_VALUE --Value field of current symbol. May be adjusted here. | |
25 | */ | |
26 | ||
7e258d18 PB |
27 | /* End of macro definitions, now let's handle them symbols! */ |
28 | ||
29 | switch (CUR_SYMBOL_TYPE) | |
30 | { | |
31 | char *p; | |
32 | /* | |
33 | * Standard, external, non-debugger, symbols | |
34 | */ | |
35 | ||
7e258d18 PB |
36 | case N_TEXT | N_EXT: |
37 | case N_NBTEXT | N_EXT: | |
38 | case N_NBDATA | N_EXT: | |
39 | case N_NBBSS | N_EXT: | |
40 | case N_SETV | N_EXT: | |
41 | case N_ABS | N_EXT: | |
42 | case N_DATA | N_EXT: | |
43 | case N_BSS | N_EXT: | |
aab77d5f | 44 | #ifdef DBXREAD_ONLY |
7e258d18 PB |
45 | |
46 | CUR_SYMBOL_VALUE += addr; /* Relocate */ | |
47 | ||
48 | SET_NAMESTRING(); | |
49 | ||
50 | bss_ext_symbol: | |
1ab3bf1b JG |
51 | record_minimal_symbol (namestring, CUR_SYMBOL_VALUE, |
52 | CUR_SYMBOL_TYPE, objfile); /* Always */ | |
aab77d5f | 53 | #endif /* DBXREAD_ONLY */ |
7e258d18 PB |
54 | continue; |
55 | ||
56 | /* Standard, local, non-debugger, symbols */ | |
57 | ||
58 | case N_NBTEXT: | |
59 | ||
60 | /* We need to be able to deal with both N_FN or N_TEXT, | |
61 | because we have no way of knowing whether the sys-supplied ld | |
62 | or GNU ld was used to make the executable. Sequents throw | |
63 | in another wrinkle -- they renumbered N_FN. */ | |
64 | ||
65 | case N_FN: | |
66 | case N_FN_SEQ: | |
67 | case N_TEXT: | |
aab77d5f | 68 | #ifdef DBXREAD_ONLY |
7e258d18 PB |
69 | CUR_SYMBOL_VALUE += addr; /* Relocate */ |
70 | SET_NAMESTRING(); | |
71 | if ((namestring[0] == '-' && namestring[1] == 'l') | |
72 | || (namestring [(nsl = strlen (namestring)) - 1] == 'o' | |
73 | && namestring [nsl - 2] == '.')) | |
74 | { | |
5e2e79f8 FF |
75 | if (objfile -> ei.entry_point < CUR_SYMBOL_VALUE && |
76 | objfile -> ei.entry_point >= last_o_file_start && | |
77 | addr == 0) /* FIXME nogood nomore */ | |
7e258d18 | 78 | { |
5e2e79f8 FF |
79 | objfile -> ei.entry_file_lowpc = last_o_file_start; |
80 | objfile -> ei.entry_file_highpc = CUR_SYMBOL_VALUE; | |
7e258d18 PB |
81 | } |
82 | if (past_first_source_file && pst | |
83 | /* The gould NP1 uses low values for .o and -l symbols | |
84 | which are not the address. */ | |
85 | && CUR_SYMBOL_VALUE > pst->textlow) | |
86 | { | |
87 | END_PSYMTAB (pst, psymtab_include_list, includes_used, | |
88 | symnum * symbol_size, CUR_SYMBOL_VALUE, | |
89 | dependency_list, dependencies_used); | |
90 | pst = (struct partial_symtab *) 0; | |
91 | includes_used = 0; | |
92 | dependencies_used = 0; | |
93 | } | |
94 | else | |
95 | past_first_source_file = 1; | |
96 | last_o_file_start = CUR_SYMBOL_VALUE; | |
97 | } | |
aab77d5f | 98 | #endif /* DBXREAD_ONLY */ |
7e258d18 PB |
99 | continue; |
100 | ||
101 | case N_DATA: | |
aab77d5f | 102 | #ifdef DBXREAD_ONLY |
7e258d18 PB |
103 | CUR_SYMBOL_VALUE += addr; /* Relocate */ |
104 | SET_NAMESTRING (); | |
105 | /* Check for __DYNAMIC, which is used by Sun shared libraries. | |
106 | Record it even if it's local, not global, so we can find it. | |
107 | Same with virtual function tables, both global and static. */ | |
108 | if ((namestring[8] == 'C' && (strcmp ("__DYNAMIC", namestring) == 0)) | |
109 | || VTBL_PREFIX_P ((namestring+HASH_OFFSET))) | |
110 | { | |
111 | /* Not really a function here, but... */ | |
1ab3bf1b JG |
112 | record_minimal_symbol (namestring, CUR_SYMBOL_VALUE, |
113 | CUR_SYMBOL_TYPE, objfile); /* Always */ | |
7e258d18 | 114 | } |
aab77d5f | 115 | #endif /* DBXREAD_ONLY */ |
7e258d18 PB |
116 | continue; |
117 | ||
118 | case N_UNDF | N_EXT: | |
aab77d5f | 119 | #ifdef DBXREAD_ONLY |
7e258d18 PB |
120 | if (CUR_SYMBOL_VALUE != 0) { |
121 | /* This is a "Fortran COMMON" symbol. See if the target | |
122 | environment knows where it has been relocated to. */ | |
123 | ||
124 | CORE_ADDR reladdr; | |
125 | ||
126 | SET_NAMESTRING(); | |
127 | if (target_lookup_symbol (namestring, &reladdr)) { | |
128 | continue; /* Error in lookup; ignore symbol for now. */ | |
129 | } | |
130 | CUR_SYMBOL_TYPE ^= (N_BSS^N_UNDF); /* Define it as a bss-symbol */ | |
131 | CUR_SYMBOL_VALUE = reladdr; | |
132 | goto bss_ext_symbol; | |
133 | } | |
aab77d5f | 134 | #endif /* DBXREAD_ONLY */ |
7e258d18 | 135 | continue; /* Just undefined, not COMMON */ |
7e258d18 | 136 | |
9342ecb9 JG |
137 | case N_UNDF: |
138 | #ifdef DBXREAD_ONLY | |
139 | if (processing_acc_compilation && bufp->n_strx == 1) { | |
140 | /* deal with relative offsets in the string table | |
141 | used in ELF+STAB under Solaris */ | |
142 | past_first_source_file = 1; | |
143 | file_string_table_offset = next_file_string_table_offset; | |
144 | next_file_string_table_offset = | |
145 | file_string_table_offset + bufp->n_value; | |
146 | if (next_file_string_table_offset < file_string_table_offset) | |
147 | error ("string table offset backs up at %d", symnum); | |
148 | /* FIXME -- replace error() with complaint. */ | |
149 | continue; | |
150 | } | |
151 | #endif /* DBXREAD_ONLY */ | |
152 | continue; | |
153 | ||
7e258d18 PB |
154 | /* Lots of symbol types we can just ignore. */ |
155 | ||
7e258d18 PB |
156 | case N_ABS: |
157 | case N_BSS: | |
158 | case N_NBDATA: | |
159 | case N_NBBSS: | |
160 | continue; | |
161 | ||
162 | /* Keep going . . .*/ | |
163 | ||
164 | /* | |
165 | * Special symbol types for GNU | |
166 | */ | |
167 | case N_INDR: | |
168 | case N_INDR | N_EXT: | |
169 | case N_SETA: | |
170 | case N_SETA | N_EXT: | |
171 | case N_SETT: | |
172 | case N_SETT | N_EXT: | |
173 | case N_SETD: | |
174 | case N_SETD | N_EXT: | |
175 | case N_SETB: | |
176 | case N_SETB | N_EXT: | |
177 | case N_SETV: | |
178 | continue; | |
179 | ||
180 | /* | |
181 | * Debugger symbols | |
182 | */ | |
183 | ||
184 | case N_SO: { | |
185 | unsigned long valu = CUR_SYMBOL_VALUE; | |
186 | /* Symbol number of the first symbol of this file (i.e. the N_SO | |
187 | if there is just one, or the first if we have a pair). */ | |
188 | int first_symnum = symnum; | |
189 | ||
190 | /* End the current partial symtab and start a new one */ | |
191 | ||
192 | SET_NAMESTRING(); | |
193 | ||
7e258d18 PB |
194 | valu += addr; /* Relocate */ |
195 | ||
196 | if (pst && past_first_source_file) | |
197 | { | |
aab77d5f PB |
198 | /* Some compilers (including gcc) emit a pair of initial N_SOs. |
199 | The first one is a directory name; the second the file name. | |
200 | If pst exists, is empty, and has a filename ending in '/', | |
201 | we assume the previous N_SO was a directory name. */ | |
1ab3bf1b JG |
202 | if (pst -> objfile -> global_psymbols.next |
203 | == (pst -> objfile -> global_psymbols.list + pst->globals_offset) | |
204 | && pst -> objfile -> static_psymbols.next | |
205 | == (pst -> objfile -> static_psymbols.list + pst->statics_offset) | |
aab77d5f PB |
206 | && pst->filename && pst->filename[0] |
207 | && pst->filename[strlen(pst->filename)-1] == '/') { | |
208 | /* Just replace the directory name with the real filename. */ | |
209 | pst->filename = | |
1ab3bf1b | 210 | (char *) obstack_alloc (&pst->objfile->psymbol_obstack, |
aab77d5f PB |
211 | strlen (namestring) + 1); |
212 | strcpy (pst->filename, namestring); | |
213 | continue; | |
214 | } | |
7e258d18 PB |
215 | END_PSYMTAB (pst, psymtab_include_list, includes_used, |
216 | first_symnum * symbol_size, valu, | |
217 | dependency_list, dependencies_used); | |
218 | pst = (struct partial_symtab *) 0; | |
219 | includes_used = 0; | |
220 | dependencies_used = 0; | |
221 | } | |
222 | else | |
223 | past_first_source_file = 1; | |
224 | ||
225 | pst = START_PSYMTAB (objfile, addr, | |
226 | namestring, valu, | |
227 | first_symnum * symbol_size, | |
1ab3bf1b JG |
228 | objfile -> global_psymbols.next, |
229 | objfile -> static_psymbols.next); | |
7e258d18 PB |
230 | continue; |
231 | } | |
232 | ||
7e258d18 | 233 | case N_BINCL: |
aab77d5f | 234 | #ifdef DBXREAD_ONLY |
7e258d18 PB |
235 | /* Add this bincl to the bincl_list for future EXCLs. No |
236 | need to save the string; it'll be around until | |
237 | read_dbx_symtab function returns */ | |
238 | ||
239 | SET_NAMESTRING(); | |
240 | ||
241 | add_bincl_to_list (pst, namestring, CUR_SYMBOL_VALUE); | |
242 | ||
243 | /* Mark down an include file in the current psymtab */ | |
244 | ||
245 | psymtab_include_list[includes_used++] = namestring; | |
246 | if (includes_used >= includes_allocated) | |
247 | { | |
248 | char **orig = psymtab_include_list; | |
249 | ||
250 | psymtab_include_list = (char **) | |
251 | alloca ((includes_allocated *= 2) * | |
252 | sizeof (char *)); | |
be772100 JG |
253 | memcpy ((PTR)psymtab_include_list, (PTR)orig, |
254 | includes_used * sizeof (char *)); | |
7e258d18 PB |
255 | } |
256 | ||
aab77d5f | 257 | #endif /* DBXREAD_ONLY */ |
7e258d18 | 258 | continue; |
7e258d18 PB |
259 | |
260 | case N_SOL: | |
261 | /* Mark down an include file in the current psymtab */ | |
262 | ||
263 | SET_NAMESTRING(); | |
264 | ||
265 | /* In C++, one may expect the same filename to come round many | |
266 | times, when code is coming alternately from the main file | |
267 | and from inline functions in other files. So I check to see | |
268 | if this is a file we've seen before -- either the main | |
269 | source file, or a previously included file. | |
270 | ||
271 | This seems to be a lot of time to be spending on N_SOL, but | |
272 | things like "break c-exp.y:435" need to work (I | |
273 | suppose the psymtab_include_list could be hashed or put | |
274 | in a binary tree, if profiling shows this is a major hog). */ | |
275 | if (pst && !strcmp (namestring, pst->filename)) | |
276 | continue; | |
277 | { | |
278 | register int i; | |
279 | for (i = 0; i < includes_used; i++) | |
280 | if (!strcmp (namestring, psymtab_include_list[i])) | |
281 | { | |
282 | i = -1; | |
283 | break; | |
284 | } | |
285 | if (i == -1) | |
286 | continue; | |
287 | } | |
288 | ||
289 | psymtab_include_list[includes_used++] = namestring; | |
290 | if (includes_used >= includes_allocated) | |
291 | { | |
292 | char **orig = psymtab_include_list; | |
293 | ||
294 | psymtab_include_list = (char **) | |
295 | alloca ((includes_allocated *= 2) * | |
296 | sizeof (char *)); | |
be772100 JG |
297 | memcpy ((PTR)psymtab_include_list, (PTR)orig, |
298 | includes_used * sizeof (char *)); | |
7e258d18 PB |
299 | } |
300 | continue; | |
aab77d5f | 301 | |
7e258d18 PB |
302 | case N_LSYM: /* Typedef or automatic variable. */ |
303 | case N_STSYM: /* Data seg var -- static */ | |
304 | case N_LCSYM: /* BSS " */ | |
305 | case N_NBSTS: /* Gould nobase. */ | |
306 | case N_NBLCS: /* symbols. */ | |
307 | ||
308 | SET_NAMESTRING(); | |
309 | ||
310 | p = (char *) strchr (namestring, ':'); | |
311 | ||
312 | /* Skip if there is no :. */ | |
313 | if (!p) continue; | |
314 | ||
315 | switch (p[1]) | |
316 | { | |
317 | case 'T': | |
318 | ADD_PSYMBOL_TO_LIST (namestring, p - namestring, | |
319 | STRUCT_NAMESPACE, LOC_TYPEDEF, | |
1ab3bf1b | 320 | objfile->static_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 PB |
321 | if (p[2] == 't') |
322 | { | |
323 | /* Also a typedef with the same name. */ | |
324 | ADD_PSYMBOL_TO_LIST (namestring, p - namestring, | |
325 | VAR_NAMESPACE, LOC_TYPEDEF, | |
1ab3bf1b | 326 | objfile->static_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 PB |
327 | p += 1; |
328 | } | |
329 | goto check_enum; | |
330 | case 't': | |
331 | ADD_PSYMBOL_TO_LIST (namestring, p - namestring, | |
332 | VAR_NAMESPACE, LOC_TYPEDEF, | |
1ab3bf1b | 333 | objfile->static_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 | 334 | check_enum: |
7e258d18 PB |
335 | /* If this is an enumerated type, we need to |
336 | add all the enum constants to the partial symbol | |
337 | table. This does not cover enums without names, e.g. | |
338 | "enum {a, b} c;" in C, but fortunately those are | |
339 | rare. There is no way for GDB to find those from the | |
340 | enum type without spending too much time on it. Thus | |
341 | to solve this problem, the compiler needs to put out separate | |
342 | constant symbols ('c' N_LSYMS) for enum constants in | |
343 | enums without names, or put out a dummy type. */ | |
344 | ||
345 | /* We are looking for something of the form | |
346 | <name> ":" ("t" | "T") [<number> "="] "e" | |
347 | {<constant> ":" <value> ","} ";". */ | |
348 | ||
349 | /* Skip over the colon and the 't' or 'T'. */ | |
350 | p += 2; | |
351 | /* This type may be given a number. Also, numbers can come | |
352 | in pairs like (0,26). Skip over it. */ | |
353 | while ((*p >= '0' && *p <= '9') | |
354 | || *p == '(' || *p == ',' || *p == ')' | |
355 | || *p == '=') | |
356 | p++; | |
357 | ||
358 | if (*p++ == 'e') | |
359 | { | |
360 | /* We have found an enumerated type. */ | |
361 | /* According to comments in read_enum_type | |
362 | a comma could end it instead of a semicolon. | |
363 | I don't know where that happens. | |
364 | Accept either. */ | |
365 | while (*p && *p != ';' && *p != ',') | |
366 | { | |
367 | char *q; | |
368 | ||
369 | /* Check for and handle cretinous dbx symbol name | |
370 | continuation! */ | |
371 | if (*p == '\\') | |
372 | p = next_symbol_text (); | |
373 | ||
374 | /* Point to the character after the name | |
375 | of the enum constant. */ | |
376 | for (q = p; *q && *q != ':'; q++) | |
377 | ; | |
378 | /* Note that the value doesn't matter for | |
379 | enum constants in psymtabs, just in symtabs. */ | |
380 | ADD_PSYMBOL_TO_LIST (p, q - p, | |
381 | VAR_NAMESPACE, LOC_CONST, | |
1ab3bf1b | 382 | objfile->static_psymbols, 0); |
7e258d18 PB |
383 | /* Point past the name. */ |
384 | p = q; | |
385 | /* Skip over the value. */ | |
386 | while (*p && *p != ',') | |
387 | p++; | |
388 | /* Advance past the comma. */ | |
389 | if (*p) | |
390 | p++; | |
391 | } | |
392 | } | |
7e258d18 PB |
393 | continue; |
394 | case 'c': | |
395 | /* Constant, e.g. from "const" in Pascal. */ | |
396 | ADD_PSYMBOL_TO_LIST (namestring, p - namestring, | |
397 | VAR_NAMESPACE, LOC_CONST, | |
1ab3bf1b | 398 | objfile->static_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 PB |
399 | continue; |
400 | default: | |
401 | /* Skip if the thing following the : is | |
402 | not a letter (which indicates declaration of a local | |
403 | variable, which we aren't interested in). */ | |
404 | continue; | |
405 | } | |
406 | ||
407 | case N_FUN: | |
408 | case N_GSYM: /* Global (extern) variable; can be | |
409 | data or bss (sigh). */ | |
410 | ||
411 | /* Following may probably be ignored; I'll leave them here | |
412 | for now (until I do Pascal and Modula 2 extensions). */ | |
413 | ||
414 | case N_PC: /* I may or may not need this; I | |
415 | suspect not. */ | |
416 | case N_M2C: /* I suspect that I can ignore this here. */ | |
417 | case N_SCOPE: /* Same. */ | |
418 | ||
419 | SET_NAMESTRING(); | |
420 | ||
421 | p = (char *) strchr (namestring, ':'); | |
422 | if (!p) | |
423 | continue; /* Not a debugging symbol. */ | |
424 | ||
425 | ||
426 | ||
427 | /* Main processing section for debugging symbols which | |
428 | the initial read through the symbol tables needs to worry | |
429 | about. If we reach this point, the symbol which we are | |
430 | considering is definitely one we are interested in. | |
431 | p must also contain the (valid) index into the namestring | |
432 | which indicates the debugging type symbol. */ | |
433 | ||
434 | switch (p[1]) | |
435 | { | |
436 | case 'c': | |
437 | ADD_PSYMBOL_TO_LIST (namestring, p - namestring, | |
438 | VAR_NAMESPACE, LOC_CONST, | |
1ab3bf1b | 439 | objfile->static_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 PB |
440 | continue; |
441 | case 'S': | |
442 | CUR_SYMBOL_VALUE += addr; /* Relocate */ | |
443 | ADD_PSYMBOL_ADDR_TO_LIST (namestring, p - namestring, | |
444 | VAR_NAMESPACE, LOC_STATIC, | |
1ab3bf1b | 445 | objfile->static_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 PB |
446 | continue; |
447 | case 'G': | |
448 | CUR_SYMBOL_VALUE += addr; /* Relocate */ | |
449 | /* The addresses in these entries are reported to be | |
450 | wrong. See the code that reads 'G's for symtabs. */ | |
451 | ADD_PSYMBOL_ADDR_TO_LIST (namestring, p - namestring, | |
452 | VAR_NAMESPACE, LOC_STATIC, | |
1ab3bf1b | 453 | objfile->global_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 PB |
454 | continue; |
455 | ||
456 | case 't': | |
457 | ADD_PSYMBOL_TO_LIST (namestring, p - namestring, | |
458 | VAR_NAMESPACE, LOC_TYPEDEF, | |
1ab3bf1b | 459 | objfile->static_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 PB |
460 | continue; |
461 | ||
462 | case 'f': | |
9342ecb9 JG |
463 | #ifdef DBXREAD_ONLY |
464 | /* Kludges for ELF/STABS with Sun ACC */ | |
465 | last_function_name = namestring; | |
466 | if (pst->textlow == 0) | |
467 | pst->textlow = CUR_SYMBOL_VALUE; | |
468 | #if 0 | |
469 | if (startup_file_end == 0) | |
470 | startup_file_end = CUR_SYMBOL_VALUE; | |
471 | #endif | |
472 | /* End kludge. */ | |
473 | #endif /* DBXREAD_ONLY */ | |
7e258d18 PB |
474 | ADD_PSYMBOL_TO_LIST (namestring, p - namestring, |
475 | VAR_NAMESPACE, LOC_BLOCK, | |
1ab3bf1b | 476 | objfile->static_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 PB |
477 | continue; |
478 | ||
479 | /* Global functions were ignored here, but now they | |
480 | are put into the global psymtab like one would expect. | |
481 | They're also in the misc fn vector... | |
482 | FIXME, why did it used to ignore these? That broke | |
483 | "i fun" on these functions. */ | |
484 | case 'F': | |
9342ecb9 JG |
485 | #ifdef DBXREAD_ONLY |
486 | /* Kludges for ELF/STABS with Sun ACC */ | |
487 | last_function_name = namestring; | |
488 | if (pst->textlow == 0) | |
489 | pst->textlow = CUR_SYMBOL_VALUE; | |
490 | #if 0 | |
491 | if (startup_file_end == 0) | |
492 | startup_file_end = CUR_SYMBOL_VALUE; | |
493 | #endif | |
494 | /* End kludge. */ | |
495 | #endif /* DBXREAD_ONLY */ | |
7e258d18 PB |
496 | ADD_PSYMBOL_TO_LIST (namestring, p - namestring, |
497 | VAR_NAMESPACE, LOC_BLOCK, | |
1ab3bf1b | 498 | objfile->global_psymbols, CUR_SYMBOL_VALUE); |
7e258d18 PB |
499 | continue; |
500 | ||
501 | /* Two things show up here (hopefully); static symbols of | |
502 | local scope (static used inside braces) or extensions | |
503 | of structure symbols. We can ignore both. */ | |
504 | case 'V': | |
505 | case '(': | |
506 | case '0': | |
507 | case '1': | |
508 | case '2': | |
509 | case '3': | |
510 | case '4': | |
511 | case '5': | |
512 | case '6': | |
513 | case '7': | |
514 | case '8': | |
515 | case '9': | |
516 | continue; | |
517 | ||
518 | default: | |
519 | /* Unexpected symbol. Ignore it; perhaps it is an extension | |
520 | that we don't know about. | |
521 | ||
522 | Someone says sun cc puts out symbols like | |
523 | /foo/baz/maclib::/usr/local/bin/maclib, | |
524 | which would get here with a symbol type of ':'. */ | |
525 | continue; | |
526 | } | |
527 | ||
7e258d18 | 528 | case N_EXCL: |
aab77d5f | 529 | #ifdef DBXREAD_ONLY |
7e258d18 PB |
530 | |
531 | SET_NAMESTRING(); | |
532 | ||
533 | /* Find the corresponding bincl and mark that psymtab on the | |
534 | psymtab dependency list */ | |
535 | { | |
536 | struct partial_symtab *needed_pst = | |
537 | find_corresponding_bincl_psymtab (namestring, CUR_SYMBOL_VALUE); | |
538 | ||
539 | /* If this include file was defined earlier in this file, | |
540 | leave it alone. */ | |
541 | if (needed_pst == pst) continue; | |
542 | ||
543 | if (needed_pst) | |
544 | { | |
545 | int i; | |
546 | int found = 0; | |
547 | ||
548 | for (i = 0; i < dependencies_used; i++) | |
549 | if (dependency_list[i] == needed_pst) | |
550 | { | |
551 | found = 1; | |
552 | break; | |
553 | } | |
554 | ||
555 | /* If it's already in the list, skip the rest. */ | |
556 | if (found) continue; | |
557 | ||
558 | dependency_list[dependencies_used++] = needed_pst; | |
559 | if (dependencies_used >= dependencies_allocated) | |
560 | { | |
561 | struct partial_symtab **orig = dependency_list; | |
562 | dependency_list = | |
563 | (struct partial_symtab **) | |
564 | alloca ((dependencies_allocated *= 2) | |
565 | * sizeof (struct partial_symtab *)); | |
be772100 | 566 | memcpy ((PTR)dependency_list, (PTR)orig, |
7e258d18 PB |
567 | (dependencies_used |
568 | * sizeof (struct partial_symtab *))); | |
569 | #ifdef DEBUG_INFO | |
570 | fprintf (stderr, "Had to reallocate dependency list.\n"); | |
571 | fprintf (stderr, "New dependencies allocated: %d\n", | |
572 | dependencies_allocated); | |
573 | #endif | |
574 | } | |
575 | } | |
576 | else | |
577 | error ("Invalid symbol data: \"repeated\" header file not previously seen, at symtab pos %d.", | |
578 | symnum); | |
579 | } | |
aab77d5f | 580 | #endif /* DBXREAD_ONLY */ |
7e258d18 | 581 | continue; |
7e258d18 PB |
582 | |
583 | case N_RBRAC: | |
584 | #ifdef HANDLE_RBRAC | |
585 | HANDLE_RBRAC(CUR_SYMBOL_VALUE); | |
aab77d5f | 586 | continue; |
7e258d18 PB |
587 | #endif |
588 | case N_EINCL: | |
589 | case N_DSLINE: | |
590 | case N_BSLINE: | |
591 | case N_SSYM: /* Claim: Structure or union element. | |
592 | Hopefully, I can ignore this. */ | |
593 | case N_ENTRY: /* Alternate entry point; can ignore. */ | |
594 | case N_MAIN: /* Can definitely ignore this. */ | |
595 | case N_CATCH: /* These are GNU C++ extensions */ | |
596 | case N_EHDECL: /* that can safely be ignored here. */ | |
597 | case N_LENG: | |
598 | case N_BCOMM: | |
599 | case N_ECOMM: | |
600 | case N_ECOML: | |
601 | case N_FNAME: | |
602 | case N_SLINE: | |
603 | case N_RSYM: | |
604 | case N_PSYM: | |
605 | case N_LBRAC: | |
606 | case N_NSYMS: /* Ultrix 4.0: symbol count */ | |
607 | case N_DEFD: /* GNU Modula-2 */ | |
9342ecb9 JG |
608 | |
609 | case N_OBJ: /* two useless types from Solaris */ | |
610 | case N_OPT: | |
7e258d18 PB |
611 | /* These symbols aren't interesting; don't worry about them */ |
612 | ||
613 | continue; | |
614 | ||
615 | default: | |
7e258d18 PB |
616 | /* If we haven't found it yet, ignore it. It's probably some |
617 | new type we don't know about yet. */ | |
618 | complain (&unknown_symtype_complaint, local_hex_string(CUR_SYMBOL_TYPE)); | |
7e258d18 PB |
619 | continue; |
620 | } |