Commit | Line | Data |
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5489fcc3 KR |
1 | #include "libiberty.h" |
2 | #include "gprof.h" | |
3 | #include "core.h" | |
4 | #include "symtab.h" | |
5 | ||
6 | bfd *core_bfd; | |
7 | int core_num_syms; | |
8 | asymbol **core_syms; | |
9 | asection *core_text_sect; | |
10 | PTR core_text_space; | |
11 | ||
64c50fc5 JL |
12 | /* For mapping symbols to specific .o files during file ordering. */ |
13 | struct function_map { | |
14 | char *function_name; | |
15 | char *file_name; | |
16 | }; | |
17 | ||
18 | struct function_map *symbol_map; | |
19 | int symbol_map_count; | |
20 | ||
21 | static void | |
22 | DEFUN (read_function_mappings, (filename), const char *filename) | |
23 | { | |
24 | FILE *file = fopen (filename, "r"); | |
25 | char dummy[1024]; | |
26 | int count = 0; | |
27 | ||
28 | if (!file) | |
29 | { | |
30 | fprintf (stderr, "%s: could not open %s.\n", whoami, filename); | |
31 | done (1); | |
32 | } | |
33 | ||
34 | /* First parse the mapping file so we know how big we need to | |
35 | make our tables. We also do some sanity checks at this | |
36 | time. */ | |
37 | while (!feof (file)) | |
38 | { | |
39 | int matches; | |
40 | ||
41 | matches = fscanf (file, "%[^\n:]", dummy); | |
42 | if (!matches) | |
43 | { | |
44 | fprintf (stderr, "%s: unable to parse mapping file %s.\n", | |
45 | whoami, filename); | |
46 | done (1); | |
47 | } | |
48 | ||
49 | /* Just skip messages about files with no symbols. */ | |
50 | if (!strncmp (dummy, "No symbols in ", 14)) | |
51 | { | |
52 | fscanf (file, "\n"); | |
53 | continue; | |
54 | } | |
55 | ||
56 | /* Don't care what else is on this line at this point. */ | |
57 | fscanf (file, "%[^\n]\n", dummy); | |
58 | count++; | |
59 | } | |
60 | ||
61 | /* Now we know how big we need to make our table. */ | |
62 | symbol_map = xmalloc (count * sizeof (struct function_map)); | |
63 | ||
64 | /* Rewind the input file so we can read it again. */ | |
65 | rewind (file); | |
66 | ||
67 | /* Read each entry and put it into the table. */ | |
68 | count = 0; | |
69 | while (!feof (file)) | |
70 | { | |
71 | int matches; | |
72 | char *tmp; | |
73 | ||
74 | matches = fscanf (file, "%[^\n:]", dummy); | |
75 | if (!matches) | |
76 | { | |
77 | fprintf (stderr, "%s: unable to parse mapping file %s.\n", | |
78 | whoami, filename); | |
79 | done (1); | |
80 | } | |
81 | ||
82 | /* Just skip messages about files with no symbols. */ | |
83 | if (!strncmp (dummy, "No symbols in ", 14)) | |
84 | { | |
85 | fscanf (file, "\n"); | |
86 | continue; | |
87 | } | |
88 | ||
89 | /* dummy has the filename, go ahead and copy it. */ | |
90 | symbol_map[count].file_name = xmalloc (strlen (dummy) + 1); | |
91 | strcpy (symbol_map[count].file_name, dummy); | |
92 | ||
93 | /* Now we need the function name. */ | |
94 | fscanf (file, "%[^\n]\n", dummy); | |
95 | tmp = strrchr (dummy, ' ') + 1; | |
96 | symbol_map[count].function_name = xmalloc (strlen (tmp) + 1); | |
97 | strcpy (symbol_map[count].function_name, tmp); | |
98 | count++; | |
99 | } | |
100 | ||
101 | /* Record the size of the map table for future reference. */ | |
102 | symbol_map_count = count; | |
103 | } | |
5489fcc3 KR |
104 | |
105 | void | |
12516a37 | 106 | DEFUN (core_init, (a_out_name), const char *a_out_name) |
5489fcc3 | 107 | { |
12516a37 KR |
108 | core_bfd = bfd_openr (a_out_name, 0); |
109 | ||
110 | if (!core_bfd) | |
111 | { | |
112 | perror (a_out_name); | |
113 | done (1); | |
03c35bcb | 114 | } |
12516a37 KR |
115 | |
116 | if (!bfd_check_format (core_bfd, bfd_object)) | |
117 | { | |
118 | fprintf (stderr, "%s: %s: not in a.out format\n", whoami, a_out_name); | |
119 | done (1); | |
03c35bcb | 120 | } |
12516a37 KR |
121 | |
122 | /* get core's text section: */ | |
123 | core_text_sect = bfd_get_section_by_name (core_bfd, ".text"); | |
124 | if (!core_text_sect) | |
125 | { | |
126 | core_text_sect = bfd_get_section_by_name (core_bfd, "$CODE$"); | |
127 | if (!core_text_sect) | |
128 | { | |
129 | fprintf (stderr, "%s: can't find .text section in %s\n", | |
130 | whoami, a_out_name); | |
131 | done (1); | |
03c35bcb KR |
132 | } |
133 | } | |
12516a37 KR |
134 | |
135 | /* read core's symbol table: */ | |
136 | ||
137 | /* this will probably give us more than we need, but that's ok: */ | |
138 | core_num_syms = bfd_get_symtab_upper_bound (core_bfd); | |
139 | if (core_num_syms < 0) | |
140 | { | |
141 | fprintf (stderr, "%s: %s: %s\n", whoami, a_out_name, | |
142 | bfd_errmsg (bfd_get_error ())); | |
143 | done (1); | |
03c35bcb | 144 | } |
12516a37 KR |
145 | |
146 | core_syms = (asymbol **) xmalloc (core_num_syms); | |
147 | core_num_syms = bfd_canonicalize_symtab (core_bfd, core_syms); | |
148 | if (core_num_syms < 0) | |
149 | { | |
150 | fprintf (stderr, "%s: %s: %s\n", whoami, a_out_name, | |
151 | bfd_errmsg (bfd_get_error ())); | |
152 | done (1); | |
03c35bcb | 153 | } |
64c50fc5 JL |
154 | |
155 | if (function_mapping_file) | |
156 | read_function_mappings (function_mapping_file); | |
03c35bcb | 157 | } |
5489fcc3 KR |
158 | |
159 | ||
160 | /* | |
161 | * Read in the text space of an a.out file | |
162 | */ | |
163 | void | |
12516a37 | 164 | DEFUN (core_get_text_space, (core_bfd), bfd * core_bfd) |
5489fcc3 | 165 | { |
12516a37 KR |
166 | core_text_space = (PTR) malloc (core_text_sect->_raw_size); |
167 | ||
168 | if (!core_text_space) | |
5489fcc3 | 169 | { |
12516a37 KR |
170 | fprintf (stderr, "%s: ran out room for %ld bytes of text space\n", |
171 | whoami, core_text_sect->_raw_size); | |
172 | done (1); | |
03c35bcb | 173 | } |
12516a37 KR |
174 | if (!bfd_get_section_contents (core_bfd, core_text_sect, core_text_space, |
175 | 0, core_text_sect->_raw_size)) | |
176 | { | |
177 | bfd_perror ("bfd_get_section_contents"); | |
178 | free (core_text_space); | |
179 | core_text_space = 0; | |
03c35bcb | 180 | } |
12516a37 KR |
181 | if (!core_text_space) |
182 | { | |
183 | fprintf (stderr, "%s: can't do -c\n", whoami); | |
03c35bcb KR |
184 | } |
185 | } | |
5489fcc3 KR |
186 | |
187 | ||
188 | /* | |
189 | * Return class of symbol SYM. The returned class can be any of: | |
12516a37 KR |
190 | * 0 -> symbol is not interesting to us |
191 | * 'T' -> symbol is a global name | |
192 | * 't' -> symbol is a local (static) name | |
5489fcc3 KR |
193 | */ |
194 | static int | |
12516a37 | 195 | DEFUN (core_sym_class, (sym), asymbol * sym) |
5489fcc3 | 196 | { |
12516a37 KR |
197 | symbol_info syminfo; |
198 | const char *name; | |
199 | char sym_prefix; | |
200 | int i; | |
201 | ||
202 | /* | |
203 | * Must be a text symbol, and static text symbols don't qualify if | |
204 | * ignore_static_funcs set. | |
205 | */ | |
206 | if (!sym->section) | |
207 | { | |
208 | return 0; | |
03c35bcb | 209 | } |
12516a37 KR |
210 | |
211 | if (ignore_static_funcs && (sym->flags & BSF_LOCAL)) | |
212 | { | |
213 | DBG (AOUTDEBUG, printf ("[core_sym_class] %s: not a function\n", | |
5489fcc3 | 214 | sym->name)); |
12516a37 | 215 | return 0; |
03c35bcb | 216 | } |
5489fcc3 | 217 | |
12516a37 KR |
218 | bfd_get_symbol_info (core_bfd, sym, &syminfo); |
219 | i = syminfo.type; | |
5489fcc3 | 220 | |
12516a37 KR |
221 | if (i == 'T') |
222 | { | |
223 | return i; /* it's a global symbol */ | |
03c35bcb | 224 | } |
5489fcc3 | 225 | |
12516a37 KR |
226 | if (i != 't') |
227 | { | |
228 | /* not a static text symbol */ | |
229 | DBG (AOUTDEBUG, printf ("[core_sym_class] %s is of class %c\n", | |
5489fcc3 | 230 | sym->name, i)); |
12516a37 | 231 | return 0; |
03c35bcb | 232 | } |
12516a37 KR |
233 | |
234 | /* do some more filtering on static function-names: */ | |
235 | ||
236 | if (ignore_static_funcs) | |
237 | { | |
238 | return 0; | |
03c35bcb | 239 | } |
12516a37 KR |
240 | /* |
241 | * Can't zero-length name or funny characters in name, where | |
242 | * `funny' includes: `.' (.o file names) and `$' (Pascal labels). | |
243 | */ | |
244 | if (!sym->name || sym->name[0] == '\0') | |
5489fcc3 | 245 | { |
12516a37 | 246 | return 0; |
03c35bcb | 247 | } |
12516a37 KR |
248 | |
249 | for (name = sym->name; *name; ++name) | |
250 | { | |
251 | if (*name == '.' || *name == '$') | |
252 | { | |
253 | return 0; | |
03c35bcb KR |
254 | } |
255 | } | |
12516a37 KR |
256 | /* |
257 | * On systems where the C compiler adds an underscore to all | |
258 | * names, static names without underscores seem usually to be | |
259 | * labels in hand written assembler in the library. We don't want | |
260 | * these names. This is certainly necessary on a Sparc running | |
261 | * SunOS 4.1 (try profiling a program that does a lot of | |
262 | * division). I don't know whether it has harmful side effects on | |
263 | * other systems. Perhaps it should be made configurable. | |
264 | */ | |
265 | sym_prefix = bfd_get_symbol_leading_char (core_bfd); | |
266 | if (sym_prefix && sym_prefix != sym->name[0] | |
267 | /* | |
268 | * GCC may add special symbols to help gdb figure out the file | |
269 | * language. We want to ignore these, since sometimes they mask | |
270 | * the real function. (dj@ctron) | |
271 | */ | |
272 | || !strncmp (sym->name, "__gnu_compiled", 14) | |
273 | || !strncmp (sym->name, "___gnu_compiled", 15)) | |
274 | { | |
275 | return 0; | |
03c35bcb | 276 | } |
32843f94 JL |
277 | |
278 | /* If the object file supports marking of function symbols, then we can | |
279 | zap anything that doesn't have BSF_FUNCTION set. */ | |
280 | if (ignore_non_functions && (sym->flags & BSF_FUNCTION) == 0) | |
281 | return 0; | |
282 | ||
12516a37 | 283 | return 't'; /* it's a static text symbol */ |
03c35bcb | 284 | } |
5489fcc3 KR |
285 | |
286 | ||
287 | /* | |
288 | * Get whatever source info we can get regarding address ADDR: | |
289 | */ | |
290 | static bool | |
12516a37 KR |
291 | DEFUN (get_src_info, (addr, filename, name, line_num), |
292 | bfd_vma addr AND const char **filename AND const char **name | |
293 | AND int *line_num) | |
5489fcc3 | 294 | { |
12516a37 KR |
295 | const char *fname = 0, *func_name = 0; |
296 | int l = 0; | |
5489fcc3 | 297 | |
12516a37 KR |
298 | if (bfd_find_nearest_line (core_bfd, core_text_sect, core_syms, |
299 | addr - core_text_sect->vma, | |
643f17d2 | 300 | &fname, &func_name, (unsigned int *) &l) |
12516a37 | 301 | && fname && func_name && l) |
5489fcc3 | 302 | { |
12516a37 | 303 | DBG (AOUTDEBUG, printf ("[get_src_info] 0x%lx -> %s:%d (%s)\n", |
5489fcc3 | 304 | addr, fname, l, func_name)); |
12516a37 KR |
305 | *filename = fname; |
306 | *name = func_name; | |
307 | *line_num = l; | |
308 | return TRUE; | |
309 | } | |
310 | else | |
311 | { | |
312 | DBG (AOUTDEBUG, printf ("[get_src_info] no info for 0x%lx (%s:%d,%s)\n", | |
5489fcc3 KR |
313 | (long) addr, fname ? fname : "<unknown>", l, |
314 | func_name ? func_name : "<unknown>")); | |
12516a37 | 315 | return FALSE; |
03c35bcb KR |
316 | } |
317 | } | |
5489fcc3 KR |
318 | |
319 | ||
320 | /* | |
321 | * Read in symbol table from core. One symbol per function is | |
322 | * entered. | |
323 | */ | |
324 | void | |
12516a37 | 325 | DEFUN (core_create_function_syms, (core_bfd), bfd * core_bfd) |
5489fcc3 | 326 | { |
12516a37 KR |
327 | bfd_vma min_vma = ~0, max_vma = 0; |
328 | const char *filename, *func_name; | |
329 | int class; | |
64c50fc5 | 330 | long i, j, found, skip; |
12516a37 KR |
331 | |
332 | /* pass 1 - determine upper bound on number of function names: */ | |
333 | symtab.len = 0; | |
334 | for (i = 0; i < core_num_syms; ++i) | |
335 | { | |
336 | if (!core_sym_class (core_syms[i])) | |
337 | { | |
338 | continue; | |
03c35bcb | 339 | } |
64c50fc5 JL |
340 | |
341 | /* This should be replaced with a binary search or hashed | |
342 | search. Gross. | |
343 | ||
344 | Don't create a symtab entry for a function that has | |
345 | a mapping to a file, unless it's the first function | |
346 | in the file. */ | |
347 | skip = 0; | |
348 | for (j = 0; j < symbol_map_count; j++) | |
349 | if (!strcmp (core_syms[i]->name, symbol_map[j].function_name)) | |
350 | { | |
351 | if (j > 0 && ! strcmp (symbol_map [j].file_name, | |
352 | symbol_map [j - 1].file_name)) | |
353 | skip = 1; | |
354 | break; | |
355 | } | |
356 | if (!skip) | |
357 | ++symtab.len; | |
03c35bcb | 358 | } |
12516a37 KR |
359 | |
360 | if (symtab.len == 0) | |
361 | { | |
362 | fprintf (stderr, "%s: file `%s' has no symbols\n", whoami, a_out_name); | |
363 | done (1); | |
03c35bcb | 364 | } |
12516a37 KR |
365 | |
366 | /* the "+ 2" is for the sentinels: */ | |
367 | symtab.base = (Sym *) xmalloc ((symtab.len + 2) * sizeof (Sym)); | |
368 | ||
369 | /* pass 2 - create symbols: */ | |
370 | ||
371 | symtab.limit = symtab.base; | |
372 | for (i = 0; i < core_num_syms; ++i) | |
373 | { | |
374 | class = core_sym_class (core_syms[i]); | |
375 | if (!class) | |
376 | { | |
377 | DBG (AOUTDEBUG, | |
378 | printf ("[core_create_function_syms] rejecting: 0x%lx %s\n", | |
5489fcc3 | 379 | core_syms[i]->value, core_syms[i]->name)); |
12516a37 | 380 | continue; |
03c35bcb | 381 | } |
64c50fc5 JL |
382 | /* This should be replaced with a binary search or hashed |
383 | search. Gross. */ | |
384 | ||
385 | skip = 0; | |
386 | found = 0; | |
387 | for (j = 0; j < symbol_map_count; j++) | |
388 | if (!strcmp (core_syms[i]->name, symbol_map[j].function_name)) | |
389 | { | |
390 | if (j > 0 && ! strcmp (symbol_map [j].file_name, | |
391 | symbol_map [j - 1].file_name)) | |
392 | skip = 1; | |
393 | else | |
394 | found = j; | |
395 | break; | |
396 | } | |
397 | ||
398 | if (skip) | |
399 | continue; | |
5489fcc3 | 400 | |
12516a37 | 401 | sym_init (symtab.limit); |
5489fcc3 | 402 | |
12516a37 | 403 | /* symbol offsets are always section-relative: */ |
5489fcc3 | 404 | |
12516a37 | 405 | symtab.limit->addr = core_syms[i]->value + core_syms[i]->section->vma; |
64c50fc5 JL |
406 | if (symbol_map_count |
407 | && !strcmp (core_syms[i]->name, symbol_map[found].function_name)) | |
408 | { | |
409 | symtab.limit->name = symbol_map[found].file_name; | |
410 | symtab.limit->mapped = 1; | |
411 | } | |
412 | else | |
413 | { | |
414 | symtab.limit->name = core_syms[i]->name; | |
415 | symtab.limit->mapped = 0; | |
416 | } | |
5489fcc3 KR |
417 | |
418 | #ifdef __osf__ | |
12516a37 KR |
419 | /* |
420 | * Suppress symbols that are not function names. This is | |
421 | * useful to suppress code-labels and aliases. | |
422 | * | |
423 | * This is known to be useful under DEC's OSF/1. Under SunOS 4.x, | |
424 | * labels do not appear in the symbol table info, so this isn't | |
425 | * necessary. | |
426 | */ | |
427 | if (get_src_info (symtab.limit->addr, &filename, &func_name, | |
428 | &symtab.limit->line_num)) | |
5489fcc3 | 429 | { |
12516a37 KR |
430 | symtab.limit->file = source_file_lookup_path (filename); |
431 | ||
432 | if (strcmp (symtab.limit->name, func_name) != 0) | |
433 | { | |
434 | /* | |
435 | * The symbol's address maps to a different name, so | |
436 | * it can't be a function-entry point. This happens | |
437 | * for labels, for example. | |
438 | */ | |
439 | DBG (AOUTDEBUG, | |
440 | printf ("[core_create_function_syms: rej %s (maps to %s)\n", | |
441 | symtab.limit->name, func_name)); | |
442 | continue; | |
03c35bcb KR |
443 | } |
444 | } | |
5489fcc3 KR |
445 | #endif |
446 | ||
12516a37 KR |
447 | symtab.limit->is_func = TRUE; |
448 | symtab.limit->is_bb_head = TRUE; | |
449 | if (class == 't') | |
450 | { | |
451 | symtab.limit->is_static = TRUE; | |
03c35bcb | 452 | } |
12516a37 KR |
453 | |
454 | min_vma = MIN (symtab.limit->addr, min_vma); | |
455 | max_vma = MAX (symtab.limit->addr, max_vma); | |
456 | ||
457 | /* | |
458 | * If we see "main" without an initial '_', we assume names | |
459 | * are *not* prefixed by '_'. | |
460 | */ | |
461 | if (symtab.limit->name[0] == 'm' && discard_underscores | |
462 | && strcmp (symtab.limit->name, "main") == 0) | |
5489fcc3 | 463 | { |
12516a37 | 464 | discard_underscores = 0; |
03c35bcb | 465 | } |
5489fcc3 | 466 | |
12516a37 KR |
467 | DBG (AOUTDEBUG, printf ("[core_create_function_syms] %ld %s 0x%lx\n", |
468 | (long) (symtab.limit - symtab.base), | |
5489fcc3 | 469 | symtab.limit->name, symtab.limit->addr)); |
12516a37 | 470 | ++symtab.limit; |
03c35bcb | 471 | } |
5489fcc3 | 472 | |
12516a37 | 473 | /* create sentinels: */ |
5489fcc3 | 474 | |
12516a37 KR |
475 | sym_init (symtab.limit); |
476 | symtab.limit->name = "<locore>"; | |
477 | symtab.limit->addr = 0; | |
478 | symtab.limit->end_addr = min_vma - 1; | |
479 | ++symtab.limit; | |
5489fcc3 | 480 | |
12516a37 KR |
481 | sym_init (symtab.limit); |
482 | symtab.limit->name = "<hicore>"; | |
483 | symtab.limit->addr = max_vma + 1; | |
484 | symtab.limit->end_addr = ~0; | |
485 | ++symtab.limit; | |
5489fcc3 | 486 | |
12516a37 KR |
487 | symtab.len = symtab.limit - symtab.base; |
488 | symtab_finalize (&symtab); | |
03c35bcb | 489 | } |
5489fcc3 KR |
490 | |
491 | ||
492 | /* | |
493 | * Read in symbol table from core. One symbol per line of source code | |
494 | * is entered. | |
495 | */ | |
496 | void | |
12516a37 | 497 | DEFUN (core_create_line_syms, (core_bfd), bfd * core_bfd) |
5489fcc3 | 498 | { |
12516a37 KR |
499 | char prev_name[PATH_MAX], prev_filename[PATH_MAX]; |
500 | bfd_vma vma, min_vma = ~0, max_vma = 0; | |
501 | bfd_vma offset, prev_offset, min_dist; | |
502 | Sym *prev, dummy, *sentinel, *sym; | |
503 | const char *filename; | |
504 | int prev_line_num, i; | |
505 | Sym_Table ltab; | |
506 | /* | |
507 | * Create symbols for functions as usual. This is necessary in | |
508 | * cases where parts of a program were not compiled with -g. For | |
509 | * those parts we still want to get info at the function level: | |
510 | */ | |
511 | core_create_function_syms (core_bfd); | |
512 | ||
513 | /* pass 1 - counter number of symbols: */ | |
514 | ||
515 | /* | |
516 | * To find all line information, walk through all possible | |
517 | * text-space addresses (one by one!) and get the debugging | |
518 | * info for each address. When the debugging info changes, | |
519 | * it is time to create a new symbol. | |
520 | * | |
521 | * Of course, this is rather slow and it would be better if | |
522 | * bfd would provide an iterator for enumerating all line | |
523 | * infos, but for now, we try to speed up the second pass | |
524 | * by determining what the minimum code distance between two | |
525 | * lines is. | |
526 | */ | |
527 | prev_name[0] = '\0'; | |
528 | ltab.len = 0; | |
529 | min_dist = core_text_sect->_raw_size; | |
530 | prev_offset = -min_dist; | |
531 | prev_filename[0] = '\0'; | |
532 | prev_line_num = 0; | |
533 | for (offset = 0; offset < core_text_sect->_raw_size; ++offset) | |
534 | { | |
535 | vma = core_text_sect->vma + offset; | |
536 | if (!get_src_info (vma, &filename, &dummy.name, &dummy.line_num) | |
537 | || (prev_line_num == dummy.line_num && | |
538 | strcmp (prev_name, dummy.name) == 0 | |
539 | && strcmp (prev_filename, filename) == 0)) | |
5489fcc3 | 540 | { |
12516a37 | 541 | continue; |
03c35bcb | 542 | } |
12516a37 KR |
543 | |
544 | ++ltab.len; | |
545 | prev_line_num = dummy.line_num; | |
546 | strcpy (prev_name, dummy.name); | |
547 | strcpy (prev_filename, filename); | |
548 | ||
549 | if (offset - prev_offset < min_dist) | |
5489fcc3 | 550 | { |
12516a37 | 551 | min_dist = offset - prev_offset; |
03c35bcb | 552 | } |
12516a37 KR |
553 | prev_offset = offset; |
554 | ||
555 | min_vma = MIN (vma, min_vma); | |
556 | max_vma = MAX (vma, max_vma); | |
03c35bcb | 557 | } |
12516a37 KR |
558 | |
559 | DBG (AOUTDEBUG, printf ("[core_create_line_syms] min_dist=%lx\n", min_dist)); | |
560 | ||
561 | /* make room for function symbols, too: */ | |
562 | ltab.len += symtab.len; | |
563 | ltab.base = (Sym *) xmalloc (ltab.len * sizeof (Sym)); | |
564 | ltab.limit = ltab.base; | |
565 | ||
566 | /* pass 2 - create symbols: */ | |
567 | ||
568 | prev = 0; | |
569 | for (offset = 0; offset < core_text_sect->_raw_size; offset += min_dist) | |
570 | { | |
571 | sym_init (ltab.limit); | |
572 | if (!get_src_info (core_text_sect->vma + offset, &filename, | |
573 | <ab.limit->name, <ab.limit->line_num) | |
574 | || (prev && prev->line_num == ltab.limit->line_num | |
575 | && strcmp (prev->name, ltab.limit->name) == 0 | |
576 | && strcmp (prev->file->name, filename) == 0)) | |
5489fcc3 | 577 | { |
12516a37 | 578 | continue; |
03c35bcb | 579 | } |
12516a37 KR |
580 | |
581 | /* make name pointer a malloc'ed string: */ | |
582 | ltab.limit->name = strdup (ltab.limit->name); | |
583 | ltab.limit->file = source_file_lookup_path (filename); | |
584 | ||
585 | ltab.limit->addr = core_text_sect->vma + offset; | |
586 | prev = ltab.limit; | |
587 | ||
588 | /* | |
589 | * If we see "main" without an initial '_', we assume names | |
590 | * are *not* prefixed by '_'. | |
591 | */ | |
592 | if (ltab.limit->name[0] == 'm' && discard_underscores | |
593 | && strcmp (ltab.limit->name, "main") == 0) | |
594 | { | |
595 | discard_underscores = 0; | |
03c35bcb | 596 | } |
5489fcc3 | 597 | |
12516a37 | 598 | DBG (AOUTDEBUG, printf ("[core_create_line_syms] %d %s 0x%lx\n", |
5489fcc3 KR |
599 | ltab.len, ltab.limit->name, |
600 | ltab.limit->addr)); | |
12516a37 | 601 | ++ltab.limit; |
03c35bcb | 602 | } |
12516a37 KR |
603 | |
604 | /* update sentinels: */ | |
605 | ||
606 | sentinel = sym_lookup (&symtab, 0); | |
607 | if (strcmp (sentinel->name, "<locore>") == 0 | |
608 | && min_vma <= sentinel->end_addr) | |
609 | { | |
610 | sentinel->end_addr = min_vma - 1; | |
03c35bcb | 611 | } |
12516a37 KR |
612 | |
613 | sentinel = sym_lookup (&symtab, ~0); | |
614 | if (strcmp (sentinel->name, "<hicore>") == 0 && max_vma >= sentinel->addr) | |
615 | { | |
616 | sentinel->addr = max_vma + 1; | |
03c35bcb | 617 | } |
5489fcc3 | 618 | |
12516a37 KR |
619 | /* copy in function symbols: */ |
620 | memcpy (ltab.limit, symtab.base, symtab.len * sizeof (Sym)); | |
621 | ltab.limit += symtab.len; | |
5489fcc3 | 622 | |
12516a37 | 623 | if (ltab.limit - ltab.base != ltab.len) |
5489fcc3 | 624 | { |
12516a37 KR |
625 | fprintf (stderr, |
626 | "%s: somebody miscounted: ltab.len=%ld instead of %d\n", | |
627 | whoami, (long) (ltab.limit - ltab.base), ltab.len); | |
628 | done (1); | |
03c35bcb | 629 | } |
12516a37 KR |
630 | |
631 | /* finalize ltab and make it symbol table: */ | |
632 | ||
633 | symtab_finalize (<ab); | |
634 | free (symtab.base); | |
635 | symtab = ltab; | |
636 | ||
637 | /* now go through all core symbols and set is_static accordingly: */ | |
638 | ||
639 | for (i = 0; i < core_num_syms; ++i) | |
640 | { | |
641 | if (core_sym_class (core_syms[i]) == 't') | |
642 | { | |
643 | sym = sym_lookup (&symtab, core_syms[i]->value | |
644 | + core_syms[i]->section->vma); | |
645 | do | |
646 | { | |
647 | sym++->is_static = TRUE; | |
648 | } | |
649 | while (sym->file == sym[-1].file && | |
650 | strcmp (sym->name, sym[-1].name) == 0); | |
03c35bcb KR |
651 | } |
652 | } | |
12516a37 | 653 | |
03c35bcb | 654 | } |