Commit | Line | Data |
---|---|---|
fecd2382 | 1 | /* a.out object file format |
f219dc65 | 2 | Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. |
85051959 ILT |
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" | |
604633ae | 21 | #ifdef BFD_ASSEMBLER |
645f842c | 22 | #undef NO_RELOC |
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 | ||
604633ae | 64 | static void obj_aout_line PARAMS ((int)); |
02d4e923 | 65 | static void obj_aout_weak PARAMS ((int)); |
fecd2382 | 66 | |
85051959 ILT |
67 | const pseudo_typeS obj_pseudo_table[] = |
68 | { | |
85051959 ILT |
69 | {"line", obj_aout_line, 0}, /* source code line number */ |
70 | {"ln", obj_aout_line, 0}, /* coff line number that we use anyway */ | |
fecd2382 | 71 | |
02d4e923 ILT |
72 | {"weak", obj_aout_weak, 0}, /* mark symbol as weak. */ |
73 | ||
85051959 ILT |
74 | /* coff debug pseudos (ignored) */ |
75 | {"def", s_ignore, 0}, | |
76 | {"dim", s_ignore, 0}, | |
77 | {"endef", s_ignore, 0}, | |
78 | {"ident", s_ignore, 0}, | |
79 | {"line", s_ignore, 0}, | |
80 | {"ln", s_ignore, 0}, | |
81 | {"scl", s_ignore, 0}, | |
82 | {"size", s_ignore, 0}, | |
83 | {"tag", s_ignore, 0}, | |
84 | {"type", s_ignore, 0}, | |
85 | {"val", s_ignore, 0}, | |
86 | {"version", s_ignore, 0}, | |
87 | ||
85051959 ILT |
88 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ |
89 | ||
90 | /* other stuff */ | |
91 | {"ABORT", s_abort, 0}, | |
92 | ||
93 | {NULL} /* end sentinel */ | |
94 | }; /* obj_pseudo_table */ | |
95 | ||
96 | ||
97 | #ifdef BFD_ASSEMBLER | |
98 | ||
99 | void | |
100 | obj_aout_frob_symbol (sym, punt) | |
101 | symbolS *sym; | |
102 | int *punt; | |
103 | { | |
104 | flagword flags; | |
105 | asection *sec; | |
106 | int desc, type, other; | |
107 | ||
85051959 ILT |
108 | flags = sym->bsym->flags; |
109 | desc = S_GET_DESC (sym); | |
110 | type = S_GET_TYPE (sym); | |
111 | other = S_GET_OTHER (sym); | |
112 | sec = sym->bsym->section; | |
113 | ||
114 | /* Only frob simple symbols this way right now. */ | |
2c5c299f | 115 | if (! (type & ~ (N_TYPE | N_EXT))) |
85051959 | 116 | { |
4bda835f ILT |
117 | if (type == (N_UNDF | N_EXT) |
118 | && sec == &bfd_abs_section) | |
f219dc65 | 119 | sym->bsym->section = sec = bfd_und_section_ptr; |
4bda835f ILT |
120 | |
121 | if ((type & N_TYPE) != N_INDR | |
def66e24 DM |
122 | && (type & N_TYPE) != N_SETA |
123 | && (type & N_TYPE) != N_SETT | |
124 | && (type & N_TYPE) != N_SETD | |
125 | && (type & N_TYPE) != N_SETB | |
13655af6 | 126 | && type != N_WARNING |
4bda835f ILT |
127 | && (sec == &bfd_abs_section |
128 | || sec == &bfd_und_section)) | |
85051959 ILT |
129 | return; |
130 | if (flags & BSF_EXPORT) | |
2c5c299f ILT |
131 | type |= N_EXT; |
132 | ||
2c5c299f ILT |
133 | switch (type & N_TYPE) |
134 | { | |
135 | case N_SETA: | |
136 | case N_SETT: | |
137 | case N_SETD: | |
138 | case N_SETB: | |
4bda835f ILT |
139 | /* Set the debugging flag for constructor symbols so that |
140 | BFD leaves them alone. */ | |
2c5c299f | 141 | sym->bsym->flags |= BSF_DEBUGGING; |
f219dc65 ILT |
142 | |
143 | /* You can't put a common symbol in a set. The way a set | |
144 | element works is that the symbol has a definition and a | |
145 | name, and the linker adds the definition to the set of | |
146 | that name. That does not work for a common symbol, | |
147 | because the linker can't tell which common symbol the | |
148 | user means. FIXME: Using as_bad here may be | |
149 | inappropriate, since the user may want to force a | |
150 | particular type without regard to the semantics of sets; | |
151 | on the other hand, we certainly don't want anybody to be | |
152 | mislead into thinking that their code will work. */ | |
153 | if (S_IS_COMMON (sym)) | |
154 | as_bad ("Attempt to put a common symbol into set %s", | |
155 | S_GET_NAME (sym)); | |
156 | /* Similarly, you can't put an undefined symbol in a set. */ | |
157 | else if (! S_IS_DEFINED (sym)) | |
158 | as_bad ("Attempt to put an undefined symbol into set %s", | |
159 | S_GET_NAME (sym)); | |
160 | ||
2c5c299f | 161 | break; |
4bda835f ILT |
162 | case N_INDR: |
163 | /* Put indirect symbols in the indirect section. */ | |
f219dc65 | 164 | sym->bsym->section = bfd_ind_section_ptr; |
4bda835f | 165 | sym->bsym->flags |= BSF_INDIRECT; |
645f842c ILT |
166 | if (type & N_EXT) |
167 | { | |
168 | sym->bsym->flags |= BSF_EXPORT; | |
169 | sym->bsym->flags &=~ BSF_LOCAL; | |
170 | } | |
4bda835f | 171 | break; |
13655af6 ILT |
172 | case N_WARNING: |
173 | /* Mark warning symbols. */ | |
174 | sym->bsym->flags |= BSF_WARNING; | |
175 | break; | |
2c5c299f | 176 | } |
85051959 ILT |
177 | } |
178 | else | |
179 | { | |
180 | sym->bsym->flags |= BSF_DEBUGGING; | |
181 | } | |
182 | ||
183 | S_SET_TYPE (sym, type); | |
f219dc65 ILT |
184 | |
185 | /* Double check weak symbols. */ | |
186 | if (sym->bsym->flags & BSF_WEAK) | |
187 | { | |
188 | if (S_IS_COMMON (sym)) | |
189 | as_bad ("Symbol `%s' can not be both weak and common", | |
190 | S_GET_NAME (sym)); | |
191 | } | |
85051959 ILT |
192 | } |
193 | ||
645f842c ILT |
194 | void |
195 | obj_aout_frob_file () | |
196 | { | |
197 | /* Relocation processing may require knowing the VMAs of the sections. | |
198 | Since writing to a section will cause the BFD back end to compute the | |
199 | VMAs, fake it out here.... */ | |
200 | bfd_byte b = 0; | |
201 | boolean x = true; | |
202 | if (bfd_section_size (stdoutput, text_section) != 0) | |
203 | { | |
204 | x = bfd_set_section_contents (stdoutput, text_section, &b, (file_ptr) 0, | |
205 | (bfd_size_type) 1); | |
206 | } | |
207 | else if (bfd_section_size (stdoutput, data_section) != 0) | |
208 | { | |
209 | x = bfd_set_section_contents (stdoutput, data_section, &b, (file_ptr) 0, | |
210 | (bfd_size_type) 1); | |
211 | } | |
212 | assert (x == true); | |
213 | } | |
214 | ||
85051959 | 215 | #else |
fecd2382 RP |
216 | |
217 | /* Relocation. */ | |
218 | ||
fecd2382 RP |
219 | /* |
220 | * emit_relocations() | |
221 | * | |
222 | * Crawl along a fixS chain. Emit the segment's relocations. | |
223 | */ | |
85051959 ILT |
224 | void |
225 | obj_emit_relocations (where, fixP, segment_address_in_file) | |
226 | char **where; | |
227 | fixS *fixP; /* Fixup chain for this segment. */ | |
228 | relax_addressT segment_address_in_file; | |
fecd2382 | 229 | { |
85051959 | 230 | for (; fixP; fixP = fixP->fx_next) |
645f842c | 231 | if (fixP->fx_done == 0) |
85051959 ILT |
232 | { |
233 | tc_aout_fix_to_chars (*where, fixP, segment_address_in_file); | |
234 | *where += md_reloc_size; | |
235 | } | |
236 | } | |
fecd2382 | 237 | |
85051959 | 238 | #ifndef obj_header_append |
fecd2382 | 239 | /* Aout file generation & utilities */ |
85051959 ILT |
240 | void |
241 | obj_header_append (where, headers) | |
242 | char **where; | |
243 | object_headers *headers; | |
fecd2382 | 244 | { |
85051959 ILT |
245 | tc_headers_hook (headers); |
246 | ||
a39116f1 | 247 | #ifdef CROSS_COMPILE |
85051959 ILT |
248 | md_number_to_chars (*where, headers->header.a_info, sizeof (headers->header.a_info)); |
249 | *where += sizeof (headers->header.a_info); | |
250 | md_number_to_chars (*where, headers->header.a_text, sizeof (headers->header.a_text)); | |
251 | *where += sizeof (headers->header.a_text); | |
252 | md_number_to_chars (*where, headers->header.a_data, sizeof (headers->header.a_data)); | |
253 | *where += sizeof (headers->header.a_data); | |
254 | md_number_to_chars (*where, headers->header.a_bss, sizeof (headers->header.a_bss)); | |
255 | *where += sizeof (headers->header.a_bss); | |
256 | md_number_to_chars (*where, headers->header.a_syms, sizeof (headers->header.a_syms)); | |
257 | *where += sizeof (headers->header.a_syms); | |
258 | md_number_to_chars (*where, headers->header.a_entry, sizeof (headers->header.a_entry)); | |
259 | *where += sizeof (headers->header.a_entry); | |
260 | md_number_to_chars (*where, headers->header.a_trsize, sizeof (headers->header.a_trsize)); | |
261 | *where += sizeof (headers->header.a_trsize); | |
262 | md_number_to_chars (*where, headers->header.a_drsize, sizeof (headers->header.a_drsize)); | |
263 | *where += sizeof (headers->header.a_drsize); | |
264 | ||
a39116f1 | 265 | #else /* CROSS_COMPILE */ |
85051959 ILT |
266 | |
267 | append (where, (char *) &headers->header, sizeof (headers->header)); | |
a39116f1 | 268 | #endif /* CROSS_COMPILE */ |
fecd2382 | 269 | |
85051959 ILT |
270 | } |
271 | #endif | |
272 | ||
273 | void | |
274 | obj_symbol_to_chars (where, symbolP) | |
275 | char **where; | |
276 | symbolS *symbolP; | |
fecd2382 | 277 | { |
85051959 ILT |
278 | md_number_to_chars ((char *) &(S_GET_OFFSET (symbolP)), S_GET_OFFSET (symbolP), sizeof (S_GET_OFFSET (symbolP))); |
279 | md_number_to_chars ((char *) &(S_GET_DESC (symbolP)), S_GET_DESC (symbolP), sizeof (S_GET_DESC (symbolP))); | |
280 | md_number_to_chars ((char *) &(symbolP->sy_symbol.n_value), S_GET_VALUE (symbolP), sizeof (symbolP->sy_symbol.n_value)); | |
281 | ||
282 | append (where, (char *) &symbolP->sy_symbol, sizeof (obj_symbol_type)); | |
283 | } | |
fecd2382 | 284 | |
85051959 ILT |
285 | void |
286 | obj_emit_symbols (where, symbol_rootP) | |
287 | char **where; | |
288 | symbolS *symbol_rootP; | |
fecd2382 | 289 | { |
85051959 ILT |
290 | symbolS *symbolP; |
291 | ||
292 | /* Emit all symbols left in the symbol chain. */ | |
293 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
294 | { | |
295 | /* Used to save the offset of the name. It is used to point | |
296 | to the string in memory but must be a file offset. */ | |
297 | register char *temp; | |
298 | ||
299 | temp = S_GET_NAME (symbolP); | |
300 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
fecd2382 | 301 | |
85051959 ILT |
302 | /* Any symbol still undefined and is not a dbg symbol is made N_EXT. */ |
303 | if (!S_IS_DEBUG (symbolP) && !S_IS_DEFINED (symbolP)) | |
304 | S_SET_EXTERNAL (symbolP); | |
305 | ||
02d4e923 ILT |
306 | /* Adjust the type of a weak symbol. */ |
307 | if (S_GET_WEAK (symbolP)) | |
308 | { | |
309 | switch (S_GET_TYPE (symbolP)) | |
310 | { | |
311 | case N_UNDF: S_SET_TYPE (symbolP, N_WEAKU); break; | |
312 | case N_ABS: S_SET_TYPE (symbolP, N_WEAKA); break; | |
313 | case N_TEXT: S_SET_TYPE (symbolP, N_WEAKT); break; | |
314 | case N_DATA: S_SET_TYPE (symbolP, N_WEAKD); break; | |
315 | case N_BSS: S_SET_TYPE (symbolP, N_WEAKB); break; | |
316 | default: as_bad ("%s: bad type for weak symbol", temp); break; | |
317 | } | |
318 | } | |
319 | ||
85051959 ILT |
320 | obj_symbol_to_chars (where, symbolP); |
321 | S_SET_NAME (symbolP, temp); | |
322 | } | |
323 | } | |
324 | ||
325 | #endif /* ! BFD_ASSEMBLER */ | |
326 | ||
327 | static void | |
604633ae ILT |
328 | obj_aout_line (ignore) |
329 | int ignore; | |
85051959 ILT |
330 | { |
331 | /* Assume delimiter is part of expression. | |
332 | BSD4.2 as fails with delightful bug, so we | |
333 | are not being incompatible here. */ | |
334 | new_logical_line ((char *) NULL, (int) (get_absolute_expression ())); | |
335 | demand_empty_rest_of_line (); | |
336 | } /* obj_aout_line() */ | |
fecd2382 | 337 | |
02d4e923 ILT |
338 | /* Handle .weak. This is a GNU extension. */ |
339 | ||
340 | static void | |
341 | obj_aout_weak (ignore) | |
342 | int ignore; | |
343 | { | |
344 | char *name; | |
345 | int c; | |
346 | symbolS *symbolP; | |
347 | ||
348 | do | |
349 | { | |
350 | name = input_line_pointer; | |
351 | c = get_symbol_end (); | |
352 | symbolP = symbol_find_or_make (name); | |
353 | *input_line_pointer = c; | |
354 | SKIP_WHITESPACE (); | |
355 | S_SET_WEAK (symbolP); | |
356 | if (c == ',') | |
357 | { | |
358 | input_line_pointer++; | |
359 | SKIP_WHITESPACE (); | |
360 | if (*input_line_pointer == '\n') | |
361 | c = '\n'; | |
362 | } | |
363 | } | |
364 | while (c == ','); | |
365 | demand_empty_rest_of_line (); | |
366 | } | |
367 | ||
85051959 ILT |
368 | void |
369 | obj_read_begin_hook () | |
370 | { | |
4bda835f | 371 | } |
85051959 ILT |
372 | |
373 | #ifndef BFD_ASSEMBLER | |
fecd2382 | 374 | |
85051959 ILT |
375 | void |
376 | obj_crawl_symbol_chain (headers) | |
377 | object_headers *headers; | |
fecd2382 | 378 | { |
85051959 ILT |
379 | symbolS *symbolP; |
380 | symbolS **symbolPP; | |
381 | int symbol_number = 0; | |
382 | ||
85051959 ILT |
383 | tc_crawl_symbol_chain (headers); |
384 | ||
385 | symbolPP = &symbol_rootP; /*->last symbol chain link. */ | |
386 | while ((symbolP = *symbolPP) != NULL) | |
387 | { | |
def66e24 | 388 | if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_DATA)) |
85051959 ILT |
389 | { |
390 | S_SET_SEGMENT (symbolP, SEG_TEXT); | |
391 | } /* if pusing data into text */ | |
392 | ||
5868b1fe | 393 | resolve_symbol_value (symbolP); |
85051959 ILT |
394 | |
395 | /* OK, here is how we decide which symbols go out into the brave | |
396 | new symtab. Symbols that do are: | |
397 | ||
398 | * symbols with no name (stabd's?) | |
399 | * symbols with debug info in their N_TYPE | |
400 | ||
401 | Symbols that don't are: | |
402 | * symbols that are registers | |
403 | * symbols with \1 as their 3rd character (numeric labels) | |
404 | * "local labels" as defined by S_LOCAL_NAME(name) if the -L | |
405 | switch was passed to gas. | |
406 | ||
407 | All other symbols are output. We complain if a deleted | |
408 | symbol was marked external. */ | |
409 | ||
410 | ||
411 | if (!S_IS_REGISTER (symbolP) | |
412 | && (!S_GET_NAME (symbolP) | |
413 | || S_IS_DEBUG (symbolP) | |
85051959 ILT |
414 | || !S_IS_DEFINED (symbolP) |
415 | || S_IS_EXTERNAL (symbolP) | |
645f842c | 416 | || (S_GET_NAME (symbolP)[0] != '\001' |
def66e24 | 417 | && (flag_keep_locals || !S_LOCAL_NAME (symbolP))))) |
85051959 ILT |
418 | { |
419 | symbolP->sy_number = symbol_number++; | |
420 | ||
421 | /* The + 1 after strlen account for the \0 at the | |
fecd2382 | 422 | end of each string */ |
85051959 ILT |
423 | if (!S_IS_STABD (symbolP)) |
424 | { | |
425 | /* Ordinary case. */ | |
426 | symbolP->sy_name_offset = string_byte_count; | |
427 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
428 | } | |
429 | else /* .Stabd case. */ | |
430 | symbolP->sy_name_offset = 0; | |
431 | symbolPP = &(symbol_next (symbolP)); | |
432 | } | |
433 | else | |
434 | { | |
435 | if (S_IS_EXTERNAL (symbolP) || !S_IS_DEFINED (symbolP)) | |
645f842c ILT |
436 | /* This warning should never get triggered any more. |
437 | Well, maybe if you're doing twisted things with | |
438 | register names... */ | |
85051959 ILT |
439 | { |
440 | as_bad ("Local symbol %s never defined.", decode_local_label_name (S_GET_NAME (symbolP))); | |
441 | } /* oops. */ | |
442 | ||
443 | /* Unhook it from the chain */ | |
444 | *symbolPP = symbol_next (symbolP); | |
445 | } /* if this symbol should be in the output */ | |
446 | } /* for each symbol */ | |
447 | ||
448 | H_SET_SYMBOL_TABLE_SIZE (headers, symbol_number); | |
4bda835f | 449 | } |
fecd2382 RP |
450 | |
451 | /* | |
452 | * Find strings by crawling along symbol table chain. | |
453 | */ | |
454 | ||
85051959 ILT |
455 | void |
456 | obj_emit_strings (where) | |
457 | char **where; | |
fecd2382 | 458 | { |
85051959 ILT |
459 | symbolS *symbolP; |
460 | ||
a39116f1 | 461 | #ifdef CROSS_COMPILE |
85051959 ILT |
462 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */ |
463 | md_number_to_chars (*where, string_byte_count, sizeof (string_byte_count)); | |
464 | *where += sizeof (string_byte_count); | |
a39116f1 | 465 | #else /* CROSS_COMPILE */ |
85051959 | 466 | append (where, (char *) &string_byte_count, (unsigned long) sizeof (string_byte_count)); |
a39116f1 | 467 | #endif /* CROSS_COMPILE */ |
fecd2382 | 468 | |
85051959 ILT |
469 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) |
470 | { | |
471 | if (S_GET_NAME (symbolP)) | |
472 | append (&next_object_file_charP, S_GET_NAME (symbolP), | |
473 | (unsigned long) (strlen (S_GET_NAME (symbolP)) + 1)); | |
474 | } /* walk symbol chain */ | |
4bda835f | 475 | } |
85051959 ILT |
476 | |
477 | #ifndef AOUT_VERSION | |
478 | #define AOUT_VERSION 0 | |
479 | #endif | |
480 | ||
481 | void | |
482 | obj_pre_write_hook (headers) | |
483 | object_headers *headers; | |
a39116f1 | 484 | { |
85051959 ILT |
485 | H_SET_DYNAMIC (headers, 0); |
486 | H_SET_VERSION (headers, AOUT_VERSION); | |
487 | H_SET_MACHTYPE (headers, AOUT_MACHTYPE); | |
488 | tc_aout_pre_write_hook (headers); | |
4bda835f | 489 | } |
a39116f1 | 490 | |
85051959 ILT |
491 | void |
492 | DEFUN_VOID (s_sect) | |
493 | { | |
494 | /* Strip out the section name */ | |
495 | char *section_name; | |
496 | char *section_name_end; | |
497 | char c; | |
498 | ||
499 | unsigned int len; | |
500 | unsigned int exp; | |
501 | char *save; | |
502 | ||
503 | section_name = input_line_pointer; | |
504 | c = get_symbol_end (); | |
505 | section_name_end = input_line_pointer; | |
506 | ||
507 | len = section_name_end - section_name; | |
508 | input_line_pointer++; | |
509 | save = input_line_pointer; | |
510 | ||
511 | SKIP_WHITESPACE (); | |
512 | if (c == ',') | |
513 | { | |
514 | exp = get_absolute_expression (); | |
515 | } | |
516 | else if (*input_line_pointer == ',') | |
517 | { | |
518 | input_line_pointer++; | |
519 | exp = get_absolute_expression (); | |
520 | } | |
521 | else | |
522 | { | |
523 | input_line_pointer = save; | |
524 | exp = 0; | |
525 | } | |
526 | if (exp >= 1000) | |
527 | { | |
528 | as_bad ("subsegment index too high"); | |
529 | } | |
530 | ||
531 | if (strcmp (section_name, ".text") == 0) | |
532 | { | |
604633ae | 533 | subseg_set (SEG_TEXT, (subsegT) exp); |
85051959 ILT |
534 | } |
535 | ||
536 | if (strcmp (section_name, ".data") == 0) | |
537 | { | |
def66e24 | 538 | if (flag_readonly_data_in_text) |
604633ae | 539 | subseg_set (SEG_TEXT, (subsegT) exp + 1000); |
85051959 | 540 | else |
604633ae | 541 | subseg_set (SEG_DATA, (subsegT) exp); |
85051959 ILT |
542 | } |
543 | ||
544 | *section_name_end = c; | |
545 | } | |
546 | ||
547 | #endif /* ! BFD_ASSEMBLER */ | |
fecd2382 RP |
548 | |
549 | /* end of obj-aout.c */ |