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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" |
fecd2382 RP |
22 | #include "obstack.h" |
23 | ||
85051959 | 24 | #ifndef BFD_ASSEMBLER |
a39116f1 | 25 | /* in: segT out: N_TYPE bits */ |
85051959 ILT |
26 | const short seg_N_TYPE[] = |
27 | { | |
28 | N_ABS, | |
29 | N_TEXT, | |
30 | N_DATA, | |
31 | N_BSS, | |
32 | N_UNDF, /* unknown */ | |
33 | N_UNDF, /* absent */ | |
34 | N_UNDF, /* pass1 */ | |
35 | N_UNDF, /* error */ | |
36 | N_UNDF, /* bignum/flonum */ | |
37 | N_UNDF, /* difference */ | |
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)); | |
65 | static void obj_aout_line PARAMS ((void)); | |
66 | static void obj_aout_desc PARAMS ((void)); | |
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 | ||
113 | /* Is this part format-dependent? */ | |
114 | if (sym->sy_forward) | |
115 | { | |
116 | S_SET_VALUE (sym, | |
117 | S_GET_VALUE (sym) | |
118 | + S_GET_VALUE (sym->sy_forward) | |
119 | + sym->sy_forward->sy_frag->fr_address | |
120 | ); | |
121 | sym->sy_forward = 0; | |
122 | } | |
123 | ||
124 | flags = sym->bsym->flags; | |
125 | desc = S_GET_DESC (sym); | |
126 | type = S_GET_TYPE (sym); | |
127 | other = S_GET_OTHER (sym); | |
128 | sec = sym->bsym->section; | |
129 | ||
130 | /* Only frob simple symbols this way right now. */ | |
131 | if (! (type & ~0x1f)) | |
132 | { | |
133 | if (sec == &bfd_abs_section | |
134 | || sec == &bfd_und_section) | |
135 | return; | |
136 | if (flags & BSF_EXPORT) | |
137 | type |= 1; | |
138 | } | |
139 | else | |
140 | { | |
141 | sym->bsym->flags |= BSF_DEBUGGING; | |
142 | } | |
143 | ||
144 | S_SET_TYPE (sym, type); | |
145 | } | |
146 | ||
147 | #else | |
fecd2382 RP |
148 | |
149 | /* Relocation. */ | |
150 | ||
fecd2382 RP |
151 | /* |
152 | * emit_relocations() | |
153 | * | |
154 | * Crawl along a fixS chain. Emit the segment's relocations. | |
155 | */ | |
85051959 ILT |
156 | void |
157 | obj_emit_relocations (where, fixP, segment_address_in_file) | |
158 | char **where; | |
159 | fixS *fixP; /* Fixup chain for this segment. */ | |
160 | relax_addressT segment_address_in_file; | |
fecd2382 | 161 | { |
85051959 ILT |
162 | for (; fixP; fixP = fixP->fx_next) |
163 | if (fixP->fx_addsy != NULL) | |
164 | { | |
165 | tc_aout_fix_to_chars (*where, fixP, segment_address_in_file); | |
166 | *where += md_reloc_size; | |
167 | } | |
168 | } | |
fecd2382 | 169 | |
85051959 | 170 | #ifndef obj_header_append |
fecd2382 | 171 | /* Aout file generation & utilities */ |
85051959 ILT |
172 | void |
173 | obj_header_append (where, headers) | |
174 | char **where; | |
175 | object_headers *headers; | |
fecd2382 | 176 | { |
85051959 ILT |
177 | tc_headers_hook (headers); |
178 | ||
a39116f1 | 179 | #ifdef CROSS_COMPILE |
85051959 ILT |
180 | md_number_to_chars (*where, headers->header.a_info, sizeof (headers->header.a_info)); |
181 | *where += sizeof (headers->header.a_info); | |
182 | md_number_to_chars (*where, headers->header.a_text, sizeof (headers->header.a_text)); | |
183 | *where += sizeof (headers->header.a_text); | |
184 | md_number_to_chars (*where, headers->header.a_data, sizeof (headers->header.a_data)); | |
185 | *where += sizeof (headers->header.a_data); | |
186 | md_number_to_chars (*where, headers->header.a_bss, sizeof (headers->header.a_bss)); | |
187 | *where += sizeof (headers->header.a_bss); | |
188 | md_number_to_chars (*where, headers->header.a_syms, sizeof (headers->header.a_syms)); | |
189 | *where += sizeof (headers->header.a_syms); | |
190 | md_number_to_chars (*where, headers->header.a_entry, sizeof (headers->header.a_entry)); | |
191 | *where += sizeof (headers->header.a_entry); | |
192 | md_number_to_chars (*where, headers->header.a_trsize, sizeof (headers->header.a_trsize)); | |
193 | *where += sizeof (headers->header.a_trsize); | |
194 | md_number_to_chars (*where, headers->header.a_drsize, sizeof (headers->header.a_drsize)); | |
195 | *where += sizeof (headers->header.a_drsize); | |
196 | ||
a39116f1 | 197 | #else /* CROSS_COMPILE */ |
85051959 ILT |
198 | |
199 | append (where, (char *) &headers->header, sizeof (headers->header)); | |
a39116f1 | 200 | #endif /* CROSS_COMPILE */ |
fecd2382 | 201 | |
85051959 ILT |
202 | } |
203 | #endif | |
204 | ||
205 | void | |
206 | obj_symbol_to_chars (where, symbolP) | |
207 | char **where; | |
208 | symbolS *symbolP; | |
fecd2382 | 209 | { |
85051959 ILT |
210 | md_number_to_chars ((char *) &(S_GET_OFFSET (symbolP)), S_GET_OFFSET (symbolP), sizeof (S_GET_OFFSET (symbolP))); |
211 | md_number_to_chars ((char *) &(S_GET_DESC (symbolP)), S_GET_DESC (symbolP), sizeof (S_GET_DESC (symbolP))); | |
212 | md_number_to_chars ((char *) &(symbolP->sy_symbol.n_value), S_GET_VALUE (symbolP), sizeof (symbolP->sy_symbol.n_value)); | |
213 | ||
214 | append (where, (char *) &symbolP->sy_symbol, sizeof (obj_symbol_type)); | |
215 | } | |
fecd2382 | 216 | |
85051959 ILT |
217 | void |
218 | obj_emit_symbols (where, symbol_rootP) | |
219 | char **where; | |
220 | symbolS *symbol_rootP; | |
fecd2382 | 221 | { |
85051959 ILT |
222 | symbolS *symbolP; |
223 | ||
224 | /* Emit all symbols left in the symbol chain. */ | |
225 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
226 | { | |
227 | /* Used to save the offset of the name. It is used to point | |
228 | to the string in memory but must be a file offset. */ | |
229 | register char *temp; | |
230 | ||
231 | temp = S_GET_NAME (symbolP); | |
232 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
fecd2382 | 233 | |
85051959 ILT |
234 | /* Any symbol still undefined and is not a dbg symbol is made N_EXT. */ |
235 | if (!S_IS_DEBUG (symbolP) && !S_IS_DEFINED (symbolP)) | |
236 | S_SET_EXTERNAL (symbolP); | |
237 | ||
238 | obj_symbol_to_chars (where, symbolP); | |
239 | S_SET_NAME (symbolP, temp); | |
240 | } | |
241 | } | |
242 | ||
243 | #endif /* ! BFD_ASSEMBLER */ | |
244 | ||
245 | static void | |
246 | obj_aout_line () | |
247 | { | |
248 | /* Assume delimiter is part of expression. | |
249 | BSD4.2 as fails with delightful bug, so we | |
250 | are not being incompatible here. */ | |
251 | new_logical_line ((char *) NULL, (int) (get_absolute_expression ())); | |
252 | demand_empty_rest_of_line (); | |
253 | } /* obj_aout_line() */ | |
fecd2382 RP |
254 | |
255 | /* | |
256 | * stab() | |
257 | * | |
258 | * Handle .stabX directives, which used to be open-coded. | |
259 | * So much creeping featurism overloaded the semantics that we decided | |
260 | * to put all .stabX thinking in one place. Here. | |
261 | * | |
262 | * We try to make any .stabX directive legal. Other people's AS will often | |
263 | * do assembly-time consistency checks: eg assigning meaning to n_type bits | |
264 | * and "protecting" you from setting them to certain values. (They also zero | |
265 | * certain bits before emitting symbols. Tut tut.) | |
266 | * | |
267 | * If an expression is not absolute we either gripe or use the relocation | |
268 | * information. Other people's assemblers silently forget information they | |
269 | * don't need and invent information they need that you didn't supply. | |
270 | * | |
271 | * .stabX directives always make a symbol table entry. It may be junk if | |
272 | * the rest of your .stabX directive is malformed. | |
273 | */ | |
85051959 ILT |
274 | static void |
275 | obj_aout_stab (what) | |
276 | int what; | |
fecd2382 | 277 | { |
85051959 ILT |
278 | extern int listing; |
279 | ||
280 | register symbolS *symbolP = 0; | |
281 | register char *string; | |
282 | int saved_type = 0; | |
283 | int length; | |
284 | int goof; /* TRUE if we have aborted. */ | |
285 | long longint; | |
286 | ||
287 | /* | |
288 | * Enter with input_line_pointer pointing past .stabX and any following | |
289 | * whitespace. | |
290 | */ | |
291 | goof = 0; /* JF who forgot this?? */ | |
292 | if (what == 's') | |
293 | { | |
294 | string = demand_copy_C_string (&length); | |
295 | SKIP_WHITESPACE (); | |
296 | if (*input_line_pointer == ',') | |
297 | input_line_pointer++; | |
298 | else | |
299 | { | |
300 | as_bad ("I need a comma after symbol's name"); | |
301 | goof = 1; | |
fecd2382 | 302 | } |
85051959 ILT |
303 | } |
304 | else | |
305 | string = ""; | |
306 | ||
307 | /* | |
308 | * Input_line_pointer->after ','. String->symbol name. | |
309 | */ | |
310 | if (!goof) | |
311 | { | |
312 | symbolP = symbol_new (string, undefined_section, 0, (struct frag *) 0); | |
313 | switch (what) | |
314 | { | |
315 | case 'd': | |
316 | S_SET_NAME (symbolP, NULL); /* .stabd feature. */ | |
317 | S_SET_VALUE (symbolP, (char*) obstack_next_free (&frags) - frag_now->fr_literal); | |
318 | symbolP->sy_frag = frag_now; | |
319 | break; | |
320 | ||
321 | case 'n': | |
322 | symbolP->sy_frag = &zero_address_frag; | |
323 | break; | |
324 | ||
325 | case 's': | |
326 | symbolP->sy_frag = &zero_address_frag; | |
327 | break; | |
328 | ||
329 | default: | |
330 | BAD_CASE (what); | |
331 | break; | |
fecd2382 | 332 | } |
85051959 ILT |
333 | |
334 | if (get_absolute_expression_and_terminator (&longint) == ',') | |
335 | { | |
336 | saved_type = longint; | |
337 | S_SET_TYPE (symbolP, saved_type); | |
fecd2382 | 338 | } |
85051959 ILT |
339 | else |
340 | { | |
341 | as_bad ("I want a comma after the n_type expression"); | |
342 | goof = 1; | |
343 | input_line_pointer--; /* Backup over a non-',' char. */ | |
fecd2382 | 344 | } |
85051959 ILT |
345 | } |
346 | ||
347 | if (!goof) | |
348 | { | |
349 | if (get_absolute_expression_and_terminator (&longint) == ',') | |
350 | S_SET_OTHER (symbolP, longint); | |
351 | else | |
352 | { | |
353 | as_bad ("I want a comma after the n_other expression"); | |
354 | goof = 1; | |
355 | input_line_pointer--; /* Backup over a non-',' char. */ | |
356 | } | |
357 | } | |
358 | ||
359 | if (!goof) | |
360 | { | |
361 | S_SET_DESC (symbolP, get_absolute_expression ()); | |
362 | if (what == 's' || what == 'n') | |
363 | { | |
364 | if (*input_line_pointer != ',') | |
a39116f1 | 365 | { |
85051959 ILT |
366 | as_bad ("I want a comma after the n_desc expression"); |
367 | goof = 1; | |
368 | } | |
369 | else | |
370 | { | |
371 | input_line_pointer++; | |
a39116f1 | 372 | } |
fecd2382 | 373 | } |
85051959 | 374 | } |
fecd2382 | 375 | |
85051959 ILT |
376 | if ((!goof) && (what == 's' || what == 'n')) |
377 | { | |
378 | pseudo_set (symbolP); | |
379 | S_SET_TYPE (symbolP, saved_type); | |
380 | } | |
381 | #ifndef NO_LISTING | |
382 | if (listing && !goof) | |
383 | { | |
384 | if (S_GET_TYPE (symbolP) == N_SLINE) | |
385 | { | |
386 | listing_source_line (S_GET_DESC (symbolP)); | |
387 | } | |
388 | else if (S_GET_TYPE (symbolP) == N_SO || S_GET_TYPE (symbolP) == N_SOL) | |
389 | { | |
390 | listing_source_file (string); | |
391 | } | |
392 | } | |
393 | #endif | |
394 | ||
395 | if (goof) | |
396 | ignore_rest_of_line (); | |
397 | else | |
398 | demand_empty_rest_of_line (); | |
399 | } /* obj_aout_stab() */ | |
400 | ||
401 | static void | |
402 | obj_aout_desc () | |
403 | { | |
404 | register char *name; | |
405 | register char c; | |
406 | register char *p; | |
407 | register symbolS *symbolP; | |
408 | register int temp; | |
409 | ||
410 | /* | |
411 | * Frob invented at RMS' request. Set the n_desc of a symbol. | |
412 | */ | |
413 | name = input_line_pointer; | |
414 | c = get_symbol_end (); | |
415 | p = input_line_pointer; | |
416 | *p = c; | |
417 | SKIP_WHITESPACE (); | |
418 | if (*input_line_pointer != ',') | |
419 | { | |
420 | *p = 0; | |
421 | as_bad ("Expected comma after name \"%s\"", name); | |
422 | *p = c; | |
423 | ignore_rest_of_line (); | |
424 | } | |
425 | else | |
426 | { | |
427 | input_line_pointer++; | |
428 | temp = get_absolute_expression (); | |
429 | *p = 0; | |
430 | symbolP = symbol_find_or_make (name); | |
431 | *p = c; | |
432 | S_SET_DESC (symbolP, temp); | |
433 | } | |
434 | demand_empty_rest_of_line (); | |
435 | } /* obj_aout_desc() */ | |
436 | ||
437 | void | |
438 | obj_read_begin_hook () | |
439 | { | |
440 | return; | |
441 | } /* obj_read_begin_hook() */ | |
442 | ||
443 | #ifndef BFD_ASSEMBLER | |
fecd2382 | 444 | |
85051959 ILT |
445 | void |
446 | obj_crawl_symbol_chain (headers) | |
447 | object_headers *headers; | |
fecd2382 | 448 | { |
85051959 ILT |
449 | symbolS *symbolP; |
450 | symbolS **symbolPP; | |
451 | int symbol_number = 0; | |
452 | ||
453 | /* JF deal with forward references first... */ | |
454 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
455 | { | |
456 | if (symbolP->sy_forward) | |
457 | { | |
458 | S_SET_VALUE (symbolP, S_GET_VALUE (symbolP) | |
459 | + S_GET_VALUE (symbolP->sy_forward) | |
460 | + symbolP->sy_forward->sy_frag->fr_address); | |
461 | ||
462 | symbolP->sy_forward = 0; | |
463 | } /* if it has a forward reference */ | |
464 | } /* walk the symbol chain */ | |
465 | ||
466 | tc_crawl_symbol_chain (headers); | |
467 | ||
468 | symbolPP = &symbol_rootP; /*->last symbol chain link. */ | |
469 | while ((symbolP = *symbolPP) != NULL) | |
470 | { | |
471 | if (flagseen['R'] && (S_GET_SEGMENT (symbolP) == SEG_DATA)) | |
472 | { | |
473 | S_SET_SEGMENT (symbolP, SEG_TEXT); | |
474 | } /* if pusing data into text */ | |
475 | ||
476 | S_SET_VALUE (symbolP, S_GET_VALUE (symbolP) + symbolP->sy_frag->fr_address); | |
477 | ||
478 | /* OK, here is how we decide which symbols go out into the brave | |
479 | new symtab. Symbols that do are: | |
480 | ||
481 | * symbols with no name (stabd's?) | |
482 | * symbols with debug info in their N_TYPE | |
483 | ||
484 | Symbols that don't are: | |
485 | * symbols that are registers | |
486 | * symbols with \1 as their 3rd character (numeric labels) | |
487 | * "local labels" as defined by S_LOCAL_NAME(name) if the -L | |
488 | switch was passed to gas. | |
489 | ||
490 | All other symbols are output. We complain if a deleted | |
491 | symbol was marked external. */ | |
492 | ||
493 | ||
494 | if (!S_IS_REGISTER (symbolP) | |
495 | && (!S_GET_NAME (symbolP) | |
496 | || S_IS_DEBUG (symbolP) | |
fecd2382 | 497 | #ifdef TC_I960 |
85051959 ILT |
498 | /* FIXME-SOON this ifdef seems highly dubious to me. xoxorich. */ |
499 | || !S_IS_DEFINED (symbolP) | |
500 | || S_IS_EXTERNAL (symbolP) | |
fecd2382 | 501 | #endif /* TC_I960 */ |
85051959 ILT |
502 | || (S_GET_NAME (symbolP)[0] != '\001' && (flagseen['L'] || !S_LOCAL_NAME (symbolP))))) |
503 | { | |
504 | symbolP->sy_number = symbol_number++; | |
505 | ||
506 | /* The + 1 after strlen account for the \0 at the | |
fecd2382 | 507 | end of each string */ |
85051959 ILT |
508 | if (!S_IS_STABD (symbolP)) |
509 | { | |
510 | /* Ordinary case. */ | |
511 | symbolP->sy_name_offset = string_byte_count; | |
512 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
513 | } | |
514 | else /* .Stabd case. */ | |
515 | symbolP->sy_name_offset = 0; | |
516 | symbolPP = &(symbol_next (symbolP)); | |
517 | } | |
518 | else | |
519 | { | |
520 | if (S_IS_EXTERNAL (symbolP) || !S_IS_DEFINED (symbolP)) | |
521 | { | |
522 | as_bad ("Local symbol %s never defined.", decode_local_label_name (S_GET_NAME (symbolP))); | |
523 | } /* oops. */ | |
524 | ||
525 | /* Unhook it from the chain */ | |
526 | *symbolPP = symbol_next (symbolP); | |
527 | } /* if this symbol should be in the output */ | |
528 | } /* for each symbol */ | |
529 | ||
530 | H_SET_SYMBOL_TABLE_SIZE (headers, symbol_number); | |
531 | ||
532 | return; | |
533 | } /* obj_crawl_symbol_chain() */ | |
fecd2382 RP |
534 | |
535 | /* | |
536 | * Find strings by crawling along symbol table chain. | |
537 | */ | |
538 | ||
85051959 ILT |
539 | void |
540 | obj_emit_strings (where) | |
541 | char **where; | |
fecd2382 | 542 | { |
85051959 ILT |
543 | symbolS *symbolP; |
544 | ||
a39116f1 | 545 | #ifdef CROSS_COMPILE |
85051959 ILT |
546 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */ |
547 | md_number_to_chars (*where, string_byte_count, sizeof (string_byte_count)); | |
548 | *where += sizeof (string_byte_count); | |
a39116f1 | 549 | #else /* CROSS_COMPILE */ |
85051959 | 550 | append (where, (char *) &string_byte_count, (unsigned long) sizeof (string_byte_count)); |
a39116f1 | 551 | #endif /* CROSS_COMPILE */ |
fecd2382 | 552 | |
85051959 ILT |
553 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) |
554 | { | |
555 | if (S_GET_NAME (symbolP)) | |
556 | append (&next_object_file_charP, S_GET_NAME (symbolP), | |
557 | (unsigned long) (strlen (S_GET_NAME (symbolP)) + 1)); | |
558 | } /* walk symbol chain */ | |
559 | ||
560 | return; | |
561 | } /* obj_emit_strings() */ | |
562 | ||
563 | #ifndef AOUT_VERSION | |
564 | #define AOUT_VERSION 0 | |
565 | #endif | |
566 | ||
567 | void | |
568 | obj_pre_write_hook (headers) | |
569 | object_headers *headers; | |
a39116f1 | 570 | { |
85051959 ILT |
571 | H_SET_DYNAMIC (headers, 0); |
572 | H_SET_VERSION (headers, AOUT_VERSION); | |
573 | H_SET_MACHTYPE (headers, AOUT_MACHTYPE); | |
574 | tc_aout_pre_write_hook (headers); | |
575 | return; | |
576 | } /* obj_pre_write_hook() */ | |
a39116f1 | 577 | |
85051959 ILT |
578 | void |
579 | DEFUN_VOID (s_sect) | |
580 | { | |
581 | /* Strip out the section name */ | |
582 | char *section_name; | |
583 | char *section_name_end; | |
584 | char c; | |
585 | ||
586 | unsigned int len; | |
587 | unsigned int exp; | |
588 | char *save; | |
589 | ||
590 | section_name = input_line_pointer; | |
591 | c = get_symbol_end (); | |
592 | section_name_end = input_line_pointer; | |
593 | ||
594 | len = section_name_end - section_name; | |
595 | input_line_pointer++; | |
596 | save = input_line_pointer; | |
597 | ||
598 | SKIP_WHITESPACE (); | |
599 | if (c == ',') | |
600 | { | |
601 | exp = get_absolute_expression (); | |
602 | } | |
603 | else if (*input_line_pointer == ',') | |
604 | { | |
605 | input_line_pointer++; | |
606 | exp = get_absolute_expression (); | |
607 | } | |
608 | else | |
609 | { | |
610 | input_line_pointer = save; | |
611 | exp = 0; | |
612 | } | |
613 | if (exp >= 1000) | |
614 | { | |
615 | as_bad ("subsegment index too high"); | |
616 | } | |
617 | ||
618 | if (strcmp (section_name, ".text") == 0) | |
619 | { | |
620 | subseg_new (SEG_TEXT, (subsegT) exp); | |
621 | } | |
622 | ||
623 | if (strcmp (section_name, ".data") == 0) | |
624 | { | |
625 | if (flagseen['R']) | |
626 | subseg_new (SEG_TEXT, (subsegT) exp + 1000); | |
627 | else | |
628 | subseg_new (SEG_DATA, (subsegT) exp); | |
629 | } | |
630 | ||
631 | *section_name_end = c; | |
632 | } | |
633 | ||
634 | #endif /* ! BFD_ASSEMBLER */ | |
fecd2382 RP |
635 | |
636 | /* end of obj-aout.c */ |