Commit | Line | Data |
---|---|---|
fecd2382 | 1 | /* a.out object file format |
85051959 ILT |
2 | Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc. |
3 | ||
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as | |
8 | published by the Free Software Foundation; either version 2, | |
9 | or (at your option) any later version. | |
10 | ||
11 | GAS is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
14 | the GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public | |
17 | License along with GAS; see the file COPYING. If not, write | |
18 | to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
fecd2382 RP |
19 | |
20 | #include "as.h" | |
a39116f1 | 21 | #include "aout/stab_gnu.h" |
604633ae | 22 | #ifdef BFD_ASSEMBLER |
2c5c299f | 23 | #include "aout/aout64.h" |
604633ae | 24 | #endif |
fecd2382 RP |
25 | #include "obstack.h" |
26 | ||
85051959 | 27 | #ifndef BFD_ASSEMBLER |
a39116f1 | 28 | /* in: segT out: N_TYPE bits */ |
85051959 ILT |
29 | const short seg_N_TYPE[] = |
30 | { | |
31 | N_ABS, | |
32 | N_TEXT, | |
33 | N_DATA, | |
34 | N_BSS, | |
35 | N_UNDF, /* unknown */ | |
85051959 | 36 | N_UNDF, /* error */ |
5ac34ac3 | 37 | N_UNDF, /* expression */ |
85051959 ILT |
38 | N_UNDF, /* debug */ |
39 | N_UNDF, /* ntv */ | |
40 | N_UNDF, /* ptv */ | |
41 | N_REGISTER, /* register */ | |
fecd2382 RP |
42 | }; |
43 | ||
85051959 ILT |
44 | const segT N_TYPE_seg[N_TYPE + 2] = |
45 | { /* N_TYPE == 0x1E = 32-2 */ | |
46 | SEG_UNKNOWN, /* N_UNDF == 0 */ | |
47 | SEG_GOOF, | |
48 | SEG_ABSOLUTE, /* N_ABS == 2 */ | |
49 | SEG_GOOF, | |
50 | SEG_TEXT, /* N_TEXT == 4 */ | |
51 | SEG_GOOF, | |
52 | SEG_DATA, /* N_DATA == 6 */ | |
53 | SEG_GOOF, | |
54 | SEG_BSS, /* N_BSS == 8 */ | |
55 | SEG_GOOF, | |
56 | SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, | |
57 | SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, | |
58 | SEG_GOOF, SEG_GOOF, SEG_GOOF, SEG_GOOF, | |
59 | SEG_REGISTER, /* dummy N_REGISTER for regs = 30 */ | |
60 | SEG_GOOF, | |
fecd2382 | 61 | }; |
85051959 ILT |
62 | #endif |
63 | ||
64 | static void obj_aout_stab PARAMS ((int what)); | |
604633ae ILT |
65 | static void obj_aout_line PARAMS ((int)); |
66 | static void obj_aout_desc PARAMS ((int)); | |
fecd2382 | 67 | |
85051959 ILT |
68 | const pseudo_typeS obj_pseudo_table[] = |
69 | { | |
70 | /* stabs debug info */ | |
71 | {"line", obj_aout_line, 0}, /* source code line number */ | |
72 | {"ln", obj_aout_line, 0}, /* coff line number that we use anyway */ | |
73 | {"desc", obj_aout_desc, 0}, /* desc */ | |
74 | {"stabd", obj_aout_stab, 'd'},/* stabs */ | |
75 | {"stabn", obj_aout_stab, 'n'},/* stabs */ | |
76 | {"stabs", obj_aout_stab, 's'},/* stabs */ | |
fecd2382 | 77 | |
85051959 ILT |
78 | /* coff debug pseudos (ignored) */ |
79 | {"def", s_ignore, 0}, | |
80 | {"dim", s_ignore, 0}, | |
81 | {"endef", s_ignore, 0}, | |
82 | {"ident", s_ignore, 0}, | |
83 | {"line", s_ignore, 0}, | |
84 | {"ln", s_ignore, 0}, | |
85 | {"scl", s_ignore, 0}, | |
86 | {"size", s_ignore, 0}, | |
87 | {"tag", s_ignore, 0}, | |
88 | {"type", s_ignore, 0}, | |
89 | {"val", s_ignore, 0}, | |
90 | {"version", s_ignore, 0}, | |
91 | ||
92 | /* stabs-in-coff (?) debug pseudos (ignored) */ | |
93 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ | |
94 | ||
95 | /* other stuff */ | |
96 | {"ABORT", s_abort, 0}, | |
97 | ||
98 | {NULL} /* end sentinel */ | |
99 | }; /* obj_pseudo_table */ | |
100 | ||
101 | ||
102 | #ifdef BFD_ASSEMBLER | |
103 | ||
104 | void | |
105 | obj_aout_frob_symbol (sym, punt) | |
106 | symbolS *sym; | |
107 | int *punt; | |
108 | { | |
109 | flagword flags; | |
110 | asection *sec; | |
111 | int desc, type, other; | |
112 | ||
85051959 ILT |
113 | flags = sym->bsym->flags; |
114 | desc = S_GET_DESC (sym); | |
115 | type = S_GET_TYPE (sym); | |
116 | other = S_GET_OTHER (sym); | |
117 | sec = sym->bsym->section; | |
118 | ||
119 | /* Only frob simple symbols this way right now. */ | |
2c5c299f | 120 | if (! (type & ~ (N_TYPE | N_EXT))) |
85051959 ILT |
121 | { |
122 | if (sec == &bfd_abs_section | |
123 | || sec == &bfd_und_section) | |
124 | return; | |
125 | if (flags & BSF_EXPORT) | |
2c5c299f ILT |
126 | type |= N_EXT; |
127 | ||
128 | /* Set the debugging flag for constructor symbols so that BFD | |
129 | leaves them alone. */ | |
130 | switch (type & N_TYPE) | |
131 | { | |
132 | case N_SETA: | |
133 | case N_SETT: | |
134 | case N_SETD: | |
135 | case N_SETB: | |
136 | sym->bsym->flags |= BSF_DEBUGGING; | |
137 | break; | |
138 | } | |
85051959 ILT |
139 | } |
140 | else | |
141 | { | |
142 | sym->bsym->flags |= BSF_DEBUGGING; | |
143 | } | |
144 | ||
145 | S_SET_TYPE (sym, type); | |
146 | } | |
147 | ||
148 | #else | |
fecd2382 RP |
149 | |
150 | /* Relocation. */ | |
151 | ||
fecd2382 RP |
152 | /* |
153 | * emit_relocations() | |
154 | * | |
155 | * Crawl along a fixS chain. Emit the segment's relocations. | |
156 | */ | |
85051959 ILT |
157 | void |
158 | obj_emit_relocations (where, fixP, segment_address_in_file) | |
159 | char **where; | |
160 | fixS *fixP; /* Fixup chain for this segment. */ | |
161 | relax_addressT segment_address_in_file; | |
fecd2382 | 162 | { |
85051959 ILT |
163 | for (; fixP; fixP = fixP->fx_next) |
164 | if (fixP->fx_addsy != NULL) | |
165 | { | |
166 | tc_aout_fix_to_chars (*where, fixP, segment_address_in_file); | |
167 | *where += md_reloc_size; | |
168 | } | |
169 | } | |
fecd2382 | 170 | |
85051959 | 171 | #ifndef obj_header_append |
fecd2382 | 172 | /* Aout file generation & utilities */ |
85051959 ILT |
173 | void |
174 | obj_header_append (where, headers) | |
175 | char **where; | |
176 | object_headers *headers; | |
fecd2382 | 177 | { |
85051959 ILT |
178 | tc_headers_hook (headers); |
179 | ||
a39116f1 | 180 | #ifdef CROSS_COMPILE |
85051959 ILT |
181 | md_number_to_chars (*where, headers->header.a_info, sizeof (headers->header.a_info)); |
182 | *where += sizeof (headers->header.a_info); | |
183 | md_number_to_chars (*where, headers->header.a_text, sizeof (headers->header.a_text)); | |
184 | *where += sizeof (headers->header.a_text); | |
185 | md_number_to_chars (*where, headers->header.a_data, sizeof (headers->header.a_data)); | |
186 | *where += sizeof (headers->header.a_data); | |
187 | md_number_to_chars (*where, headers->header.a_bss, sizeof (headers->header.a_bss)); | |
188 | *where += sizeof (headers->header.a_bss); | |
189 | md_number_to_chars (*where, headers->header.a_syms, sizeof (headers->header.a_syms)); | |
190 | *where += sizeof (headers->header.a_syms); | |
191 | md_number_to_chars (*where, headers->header.a_entry, sizeof (headers->header.a_entry)); | |
192 | *where += sizeof (headers->header.a_entry); | |
193 | md_number_to_chars (*where, headers->header.a_trsize, sizeof (headers->header.a_trsize)); | |
194 | *where += sizeof (headers->header.a_trsize); | |
195 | md_number_to_chars (*where, headers->header.a_drsize, sizeof (headers->header.a_drsize)); | |
196 | *where += sizeof (headers->header.a_drsize); | |
197 | ||
a39116f1 | 198 | #else /* CROSS_COMPILE */ |
85051959 ILT |
199 | |
200 | append (where, (char *) &headers->header, sizeof (headers->header)); | |
a39116f1 | 201 | #endif /* CROSS_COMPILE */ |
fecd2382 | 202 | |
85051959 ILT |
203 | } |
204 | #endif | |
205 | ||
206 | void | |
207 | obj_symbol_to_chars (where, symbolP) | |
208 | char **where; | |
209 | symbolS *symbolP; | |
fecd2382 | 210 | { |
85051959 ILT |
211 | md_number_to_chars ((char *) &(S_GET_OFFSET (symbolP)), S_GET_OFFSET (symbolP), sizeof (S_GET_OFFSET (symbolP))); |
212 | md_number_to_chars ((char *) &(S_GET_DESC (symbolP)), S_GET_DESC (symbolP), sizeof (S_GET_DESC (symbolP))); | |
213 | md_number_to_chars ((char *) &(symbolP->sy_symbol.n_value), S_GET_VALUE (symbolP), sizeof (symbolP->sy_symbol.n_value)); | |
214 | ||
215 | append (where, (char *) &symbolP->sy_symbol, sizeof (obj_symbol_type)); | |
216 | } | |
fecd2382 | 217 | |
85051959 ILT |
218 | void |
219 | obj_emit_symbols (where, symbol_rootP) | |
220 | char **where; | |
221 | symbolS *symbol_rootP; | |
fecd2382 | 222 | { |
85051959 ILT |
223 | symbolS *symbolP; |
224 | ||
225 | /* Emit all symbols left in the symbol chain. */ | |
226 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
227 | { | |
228 | /* Used to save the offset of the name. It is used to point | |
229 | to the string in memory but must be a file offset. */ | |
230 | register char *temp; | |
231 | ||
232 | temp = S_GET_NAME (symbolP); | |
233 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
fecd2382 | 234 | |
85051959 ILT |
235 | /* Any symbol still undefined and is not a dbg symbol is made N_EXT. */ |
236 | if (!S_IS_DEBUG (symbolP) && !S_IS_DEFINED (symbolP)) | |
237 | S_SET_EXTERNAL (symbolP); | |
238 | ||
239 | obj_symbol_to_chars (where, symbolP); | |
240 | S_SET_NAME (symbolP, temp); | |
241 | } | |
242 | } | |
243 | ||
244 | #endif /* ! BFD_ASSEMBLER */ | |
245 | ||
246 | static void | |
604633ae ILT |
247 | obj_aout_line (ignore) |
248 | int ignore; | |
85051959 ILT |
249 | { |
250 | /* Assume delimiter is part of expression. | |
251 | BSD4.2 as fails with delightful bug, so we | |
252 | are not being incompatible here. */ | |
253 | new_logical_line ((char *) NULL, (int) (get_absolute_expression ())); | |
254 | demand_empty_rest_of_line (); | |
255 | } /* obj_aout_line() */ | |
fecd2382 RP |
256 | |
257 | /* | |
258 | * stab() | |
259 | * | |
260 | * Handle .stabX directives, which used to be open-coded. | |
261 | * So much creeping featurism overloaded the semantics that we decided | |
262 | * to put all .stabX thinking in one place. Here. | |
263 | * | |
264 | * We try to make any .stabX directive legal. Other people's AS will often | |
265 | * do assembly-time consistency checks: eg assigning meaning to n_type bits | |
266 | * and "protecting" you from setting them to certain values. (They also zero | |
267 | * certain bits before emitting symbols. Tut tut.) | |
268 | * | |
269 | * If an expression is not absolute we either gripe or use the relocation | |
270 | * information. Other people's assemblers silently forget information they | |
271 | * don't need and invent information they need that you didn't supply. | |
272 | * | |
273 | * .stabX directives always make a symbol table entry. It may be junk if | |
274 | * the rest of your .stabX directive is malformed. | |
275 | */ | |
85051959 ILT |
276 | static void |
277 | obj_aout_stab (what) | |
278 | int what; | |
fecd2382 | 279 | { |
85051959 ILT |
280 | extern int listing; |
281 | ||
282 | register symbolS *symbolP = 0; | |
283 | register char *string; | |
284 | int saved_type = 0; | |
285 | int length; | |
286 | int goof; /* TRUE if we have aborted. */ | |
287 | long longint; | |
288 | ||
289 | /* | |
290 | * Enter with input_line_pointer pointing past .stabX and any following | |
291 | * whitespace. | |
292 | */ | |
293 | goof = 0; /* JF who forgot this?? */ | |
294 | if (what == 's') | |
295 | { | |
296 | string = demand_copy_C_string (&length); | |
297 | SKIP_WHITESPACE (); | |
298 | if (*input_line_pointer == ',') | |
299 | input_line_pointer++; | |
300 | else | |
301 | { | |
302 | as_bad ("I need a comma after symbol's name"); | |
303 | goof = 1; | |
fecd2382 | 304 | } |
85051959 ILT |
305 | } |
306 | else | |
307 | string = ""; | |
308 | ||
309 | /* | |
310 | * Input_line_pointer->after ','. String->symbol name. | |
311 | */ | |
312 | if (!goof) | |
313 | { | |
314 | symbolP = symbol_new (string, undefined_section, 0, (struct frag *) 0); | |
315 | switch (what) | |
316 | { | |
317 | case 'd': | |
318 | S_SET_NAME (symbolP, NULL); /* .stabd feature. */ | |
604633ae | 319 | S_SET_VALUE (symbolP, (valueT) frag_now_fix ()); |
85051959 ILT |
320 | symbolP->sy_frag = frag_now; |
321 | break; | |
322 | ||
323 | case 'n': | |
324 | symbolP->sy_frag = &zero_address_frag; | |
325 | break; | |
326 | ||
327 | case 's': | |
328 | symbolP->sy_frag = &zero_address_frag; | |
329 | break; | |
330 | ||
331 | default: | |
332 | BAD_CASE (what); | |
333 | break; | |
fecd2382 | 334 | } |
85051959 ILT |
335 | |
336 | if (get_absolute_expression_and_terminator (&longint) == ',') | |
337 | { | |
338 | saved_type = longint; | |
339 | S_SET_TYPE (symbolP, saved_type); | |
fecd2382 | 340 | } |
85051959 ILT |
341 | else |
342 | { | |
343 | as_bad ("I want a comma after the n_type expression"); | |
344 | goof = 1; | |
345 | input_line_pointer--; /* Backup over a non-',' char. */ | |
fecd2382 | 346 | } |
85051959 ILT |
347 | } |
348 | ||
349 | if (!goof) | |
350 | { | |
351 | if (get_absolute_expression_and_terminator (&longint) == ',') | |
352 | S_SET_OTHER (symbolP, longint); | |
353 | else | |
354 | { | |
355 | as_bad ("I want a comma after the n_other expression"); | |
356 | goof = 1; | |
357 | input_line_pointer--; /* Backup over a non-',' char. */ | |
358 | } | |
359 | } | |
360 | ||
361 | if (!goof) | |
362 | { | |
363 | S_SET_DESC (symbolP, get_absolute_expression ()); | |
364 | if (what == 's' || what == 'n') | |
365 | { | |
366 | if (*input_line_pointer != ',') | |
a39116f1 | 367 | { |
85051959 ILT |
368 | as_bad ("I want a comma after the n_desc expression"); |
369 | goof = 1; | |
370 | } | |
371 | else | |
372 | { | |
373 | input_line_pointer++; | |
a39116f1 | 374 | } |
fecd2382 | 375 | } |
85051959 | 376 | } |
fecd2382 | 377 | |
85051959 ILT |
378 | if ((!goof) && (what == 's' || what == 'n')) |
379 | { | |
380 | pseudo_set (symbolP); | |
381 | S_SET_TYPE (symbolP, saved_type); | |
382 | } | |
383 | #ifndef NO_LISTING | |
384 | if (listing && !goof) | |
385 | { | |
386 | if (S_GET_TYPE (symbolP) == N_SLINE) | |
387 | { | |
604633ae | 388 | listing_source_line ((unsigned int) S_GET_DESC (symbolP)); |
85051959 ILT |
389 | } |
390 | else if (S_GET_TYPE (symbolP) == N_SO || S_GET_TYPE (symbolP) == N_SOL) | |
391 | { | |
392 | listing_source_file (string); | |
393 | } | |
394 | } | |
395 | #endif | |
396 | ||
397 | if (goof) | |
398 | ignore_rest_of_line (); | |
399 | else | |
400 | demand_empty_rest_of_line (); | |
401 | } /* obj_aout_stab() */ | |
402 | ||
403 | static void | |
604633ae ILT |
404 | obj_aout_desc (ignore) |
405 | int ignore; | |
85051959 ILT |
406 | { |
407 | register char *name; | |
408 | register char c; | |
409 | register char *p; | |
410 | register symbolS *symbolP; | |
411 | register int temp; | |
412 | ||
413 | /* | |
414 | * Frob invented at RMS' request. Set the n_desc of a symbol. | |
415 | */ | |
416 | name = input_line_pointer; | |
417 | c = get_symbol_end (); | |
418 | p = input_line_pointer; | |
419 | *p = c; | |
420 | SKIP_WHITESPACE (); | |
421 | if (*input_line_pointer != ',') | |
422 | { | |
423 | *p = 0; | |
424 | as_bad ("Expected comma after name \"%s\"", name); | |
425 | *p = c; | |
426 | ignore_rest_of_line (); | |
427 | } | |
428 | else | |
429 | { | |
430 | input_line_pointer++; | |
431 | temp = get_absolute_expression (); | |
432 | *p = 0; | |
433 | symbolP = symbol_find_or_make (name); | |
434 | *p = c; | |
435 | S_SET_DESC (symbolP, temp); | |
436 | } | |
437 | demand_empty_rest_of_line (); | |
438 | } /* obj_aout_desc() */ | |
439 | ||
440 | void | |
441 | obj_read_begin_hook () | |
442 | { | |
443 | return; | |
444 | } /* obj_read_begin_hook() */ | |
445 | ||
446 | #ifndef BFD_ASSEMBLER | |
fecd2382 | 447 | |
85051959 ILT |
448 | void |
449 | obj_crawl_symbol_chain (headers) | |
450 | object_headers *headers; | |
fecd2382 | 451 | { |
85051959 ILT |
452 | symbolS *symbolP; |
453 | symbolS **symbolPP; | |
454 | int symbol_number = 0; | |
455 | ||
85051959 ILT |
456 | tc_crawl_symbol_chain (headers); |
457 | ||
458 | symbolPP = &symbol_rootP; /*->last symbol chain link. */ | |
459 | while ((symbolP = *symbolPP) != NULL) | |
460 | { | |
461 | if (flagseen['R'] && (S_GET_SEGMENT (symbolP) == SEG_DATA)) | |
462 | { | |
463 | S_SET_SEGMENT (symbolP, SEG_TEXT); | |
464 | } /* if pusing data into text */ | |
465 | ||
5868b1fe | 466 | resolve_symbol_value (symbolP); |
85051959 ILT |
467 | |
468 | /* OK, here is how we decide which symbols go out into the brave | |
469 | new symtab. Symbols that do are: | |
470 | ||
471 | * symbols with no name (stabd's?) | |
472 | * symbols with debug info in their N_TYPE | |
473 | ||
474 | Symbols that don't are: | |
475 | * symbols that are registers | |
476 | * symbols with \1 as their 3rd character (numeric labels) | |
477 | * "local labels" as defined by S_LOCAL_NAME(name) if the -L | |
478 | switch was passed to gas. | |
479 | ||
480 | All other symbols are output. We complain if a deleted | |
481 | symbol was marked external. */ | |
482 | ||
483 | ||
484 | if (!S_IS_REGISTER (symbolP) | |
485 | && (!S_GET_NAME (symbolP) | |
486 | || S_IS_DEBUG (symbolP) | |
fecd2382 | 487 | #ifdef TC_I960 |
85051959 ILT |
488 | /* FIXME-SOON this ifdef seems highly dubious to me. xoxorich. */ |
489 | || !S_IS_DEFINED (symbolP) | |
490 | || S_IS_EXTERNAL (symbolP) | |
fecd2382 | 491 | #endif /* TC_I960 */ |
85051959 ILT |
492 | || (S_GET_NAME (symbolP)[0] != '\001' && (flagseen['L'] || !S_LOCAL_NAME (symbolP))))) |
493 | { | |
494 | symbolP->sy_number = symbol_number++; | |
495 | ||
496 | /* The + 1 after strlen account for the \0 at the | |
fecd2382 | 497 | end of each string */ |
85051959 ILT |
498 | if (!S_IS_STABD (symbolP)) |
499 | { | |
500 | /* Ordinary case. */ | |
501 | symbolP->sy_name_offset = string_byte_count; | |
502 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
503 | } | |
504 | else /* .Stabd case. */ | |
505 | symbolP->sy_name_offset = 0; | |
506 | symbolPP = &(symbol_next (symbolP)); | |
507 | } | |
508 | else | |
509 | { | |
510 | if (S_IS_EXTERNAL (symbolP) || !S_IS_DEFINED (symbolP)) | |
511 | { | |
512 | as_bad ("Local symbol %s never defined.", decode_local_label_name (S_GET_NAME (symbolP))); | |
513 | } /* oops. */ | |
514 | ||
515 | /* Unhook it from the chain */ | |
516 | *symbolPP = symbol_next (symbolP); | |
517 | } /* if this symbol should be in the output */ | |
518 | } /* for each symbol */ | |
519 | ||
520 | H_SET_SYMBOL_TABLE_SIZE (headers, symbol_number); | |
521 | ||
522 | return; | |
523 | } /* obj_crawl_symbol_chain() */ | |
fecd2382 RP |
524 | |
525 | /* | |
526 | * Find strings by crawling along symbol table chain. | |
527 | */ | |
528 | ||
85051959 ILT |
529 | void |
530 | obj_emit_strings (where) | |
531 | char **where; | |
fecd2382 | 532 | { |
85051959 ILT |
533 | symbolS *symbolP; |
534 | ||
a39116f1 | 535 | #ifdef CROSS_COMPILE |
85051959 ILT |
536 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */ |
537 | md_number_to_chars (*where, string_byte_count, sizeof (string_byte_count)); | |
538 | *where += sizeof (string_byte_count); | |
a39116f1 | 539 | #else /* CROSS_COMPILE */ |
85051959 | 540 | append (where, (char *) &string_byte_count, (unsigned long) sizeof (string_byte_count)); |
a39116f1 | 541 | #endif /* CROSS_COMPILE */ |
fecd2382 | 542 | |
85051959 ILT |
543 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) |
544 | { | |
545 | if (S_GET_NAME (symbolP)) | |
546 | append (&next_object_file_charP, S_GET_NAME (symbolP), | |
547 | (unsigned long) (strlen (S_GET_NAME (symbolP)) + 1)); | |
548 | } /* walk symbol chain */ | |
549 | ||
550 | return; | |
551 | } /* obj_emit_strings() */ | |
552 | ||
553 | #ifndef AOUT_VERSION | |
554 | #define AOUT_VERSION 0 | |
555 | #endif | |
556 | ||
557 | void | |
558 | obj_pre_write_hook (headers) | |
559 | object_headers *headers; | |
a39116f1 | 560 | { |
85051959 ILT |
561 | H_SET_DYNAMIC (headers, 0); |
562 | H_SET_VERSION (headers, AOUT_VERSION); | |
563 | H_SET_MACHTYPE (headers, AOUT_MACHTYPE); | |
564 | tc_aout_pre_write_hook (headers); | |
565 | return; | |
566 | } /* obj_pre_write_hook() */ | |
a39116f1 | 567 | |
85051959 ILT |
568 | void |
569 | DEFUN_VOID (s_sect) | |
570 | { | |
571 | /* Strip out the section name */ | |
572 | char *section_name; | |
573 | char *section_name_end; | |
574 | char c; | |
575 | ||
576 | unsigned int len; | |
577 | unsigned int exp; | |
578 | char *save; | |
579 | ||
580 | section_name = input_line_pointer; | |
581 | c = get_symbol_end (); | |
582 | section_name_end = input_line_pointer; | |
583 | ||
584 | len = section_name_end - section_name; | |
585 | input_line_pointer++; | |
586 | save = input_line_pointer; | |
587 | ||
588 | SKIP_WHITESPACE (); | |
589 | if (c == ',') | |
590 | { | |
591 | exp = get_absolute_expression (); | |
592 | } | |
593 | else if (*input_line_pointer == ',') | |
594 | { | |
595 | input_line_pointer++; | |
596 | exp = get_absolute_expression (); | |
597 | } | |
598 | else | |
599 | { | |
600 | input_line_pointer = save; | |
601 | exp = 0; | |
602 | } | |
603 | if (exp >= 1000) | |
604 | { | |
605 | as_bad ("subsegment index too high"); | |
606 | } | |
607 | ||
608 | if (strcmp (section_name, ".text") == 0) | |
609 | { | |
604633ae | 610 | subseg_set (SEG_TEXT, (subsegT) exp); |
85051959 ILT |
611 | } |
612 | ||
613 | if (strcmp (section_name, ".data") == 0) | |
614 | { | |
615 | if (flagseen['R']) | |
604633ae | 616 | subseg_set (SEG_TEXT, (subsegT) exp + 1000); |
85051959 | 617 | else |
604633ae | 618 | subseg_set (SEG_DATA, (subsegT) exp); |
85051959 ILT |
619 | } |
620 | ||
621 | *section_name_end = c; | |
622 | } | |
623 | ||
624 | #endif /* ! BFD_ASSEMBLER */ | |
fecd2382 RP |
625 | |
626 | /* end of obj-aout.c */ |