Commit | Line | Data |
---|---|---|
49864cfa KR |
1 | /* ELF object file format |
2 | Copyright (C) 1992, 1993 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. */ | |
19 | ||
e7757ad0 | 20 | #define OBJ_HEADER "obj-elf.h" |
49864cfa | 21 | #include "as.h" |
6e378515 | 22 | #include "subsegs.h" |
49864cfa KR |
23 | #include "obstack.h" |
24 | ||
e7757ad0 KR |
25 | #ifndef ECOFF_DEBUGGING |
26 | #define ECOFF_DEBUGGING 0 | |
27 | #endif | |
28 | ||
29 | #if ECOFF_DEBUGGING | |
c5953036 ILT |
30 | #include "ecoff.h" |
31 | #endif | |
32 | ||
e79cb10b DE |
33 | #ifdef TC_MIPS |
34 | #include "elf/mips.h" | |
35 | #endif | |
36 | ||
e7757ad0 | 37 | #if ECOFF_DEBUGGING |
c5953036 ILT |
38 | static boolean elf_get_extr PARAMS ((asymbol *, EXTR *)); |
39 | static void elf_set_index PARAMS ((asymbol *, bfd_size_type)); | |
40 | #endif | |
41 | ||
604633ae | 42 | static void obj_elf_line PARAMS ((int)); |
604633ae ILT |
43 | void obj_elf_version PARAMS ((int)); |
44 | static void obj_elf_size PARAMS ((int)); | |
45 | static void obj_elf_type PARAMS ((int)); | |
46 | static void obj_elf_ident PARAMS ((int)); | |
47 | static void obj_elf_weak PARAMS ((int)); | |
48 | static void obj_elf_local PARAMS ((int)); | |
49 | static void obj_elf_common PARAMS ((int)); | |
13998021 ILT |
50 | static void obj_elf_data PARAMS ((int)); |
51 | static void obj_elf_text PARAMS ((int)); | |
49864cfa | 52 | |
e7757ad0 | 53 | static const pseudo_typeS elf_pseudo_table[] = |
6e378515 | 54 | { |
d7852a33 | 55 | {"comm", obj_elf_common, 0}, |
6e378515 | 56 | {"ident", obj_elf_ident, 0}, |
d7852a33 | 57 | {"local", obj_elf_local, 0}, |
7c05f0ec | 58 | {"previous", obj_elf_previous, 0}, |
6e378515 KR |
59 | {"section", obj_elf_section, 0}, |
60 | {"size", obj_elf_size, 0}, | |
61 | {"type", obj_elf_type, 0}, | |
62 | {"version", obj_elf_version, 0}, | |
b81b8a7d | 63 | {"weak", obj_elf_weak, 0}, |
6e378515 KR |
64 | |
65 | /* These are used for stabs-in-elf configurations. */ | |
6e378515 | 66 | {"line", obj_elf_line, 0}, |
6e378515 | 67 | |
7c05f0ec KR |
68 | /* These are used for dwarf. */ |
69 | {"2byte", cons, 2}, | |
70 | {"4byte", cons, 4}, | |
b81b8a7d | 71 | {"8byte", cons, 8}, |
7c05f0ec | 72 | |
13998021 ILT |
73 | /* We need to trap the section changing calls to handle .previous. */ |
74 | {"data", obj_elf_data, 0}, | |
75 | {"text", obj_elf_text, 0}, | |
76 | ||
e7757ad0 KR |
77 | /* End sentinel. */ |
78 | {NULL}, | |
79 | }; | |
80 | ||
81 | static const pseudo_typeS ecoff_debug_pseudo_table[] = | |
82 | { | |
c5953036 ILT |
83 | /* COFF style debugging information for ECOFF. .ln is not used; .loc |
84 | is used instead. */ | |
85 | { "def", ecoff_directive_def, 0 }, | |
86 | { "dim", ecoff_directive_dim, 0 }, | |
87 | { "endef", ecoff_directive_endef, 0 }, | |
88 | { "file", ecoff_directive_file, 0 }, | |
89 | { "scl", ecoff_directive_scl, 0 }, | |
90 | { "tag", ecoff_directive_tag, 0 }, | |
91 | { "val", ecoff_directive_val, 0 }, | |
92 | ||
93 | /* COFF debugging requires pseudo-ops .size and .type, but ELF | |
94 | already has meanings for those. We use .esize and .etype | |
95 | instead. These are only generated by gcc anyhow. */ | |
96 | { "esize", ecoff_directive_size, 0 }, | |
97 | { "etype", ecoff_directive_type, 0 }, | |
98 | ||
99 | /* ECOFF specific debugging information. */ | |
100 | { "begin", ecoff_directive_begin, 0 }, | |
101 | { "bend", ecoff_directive_bend, 0 }, | |
102 | { "end", ecoff_directive_end, 0 }, | |
103 | { "ent", ecoff_directive_ent, 0 }, | |
104 | { "fmask", ecoff_directive_fmask, 0 }, | |
105 | { "frame", ecoff_directive_frame, 0 }, | |
106 | { "loc", ecoff_directive_loc, 0 }, | |
107 | { "mask", ecoff_directive_mask, 0 }, | |
108 | ||
109 | /* These are used on Irix. I don't know how to implement them. */ | |
110 | { "alias", s_ignore, 0 }, | |
111 | { "bgnb", s_ignore, 0 }, | |
112 | { "endb", s_ignore, 0 }, | |
113 | { "lab", s_ignore, 0 }, | |
114 | { "noalias", s_ignore, 0 }, | |
115 | { "verstamp", s_ignore, 0 }, | |
116 | { "vreg", s_ignore, 0 }, | |
c5953036 | 117 | |
6e378515 | 118 | {NULL} /* end sentinel */ |
49864cfa KR |
119 | }; |
120 | ||
b81b8a7d | 121 | #undef NO_RELOC |
6e378515 KR |
122 | #include "aout/aout64.h" |
123 | ||
e7757ad0 KR |
124 | void |
125 | elf_pop_insert () | |
126 | { | |
127 | pop_insert (elf_pseudo_table); | |
128 | if (ECOFF_DEBUGGING) | |
129 | pop_insert (ecoff_debug_pseudo_table); | |
130 | } | |
131 | ||
132 | static bfd_vma | |
133 | elf_s_get_size (sym) | |
134 | symbolS *sym; | |
135 | { | |
136 | return S_GET_SIZE (sym); | |
137 | } | |
138 | ||
139 | static void | |
140 | elf_s_set_size (sym, sz) | |
141 | symbolS *sym; | |
142 | bfd_vma sz; | |
143 | { | |
144 | S_SET_SIZE (sym, sz); | |
145 | } | |
146 | ||
147 | static bfd_vma | |
148 | elf_s_get_align (sym) | |
149 | symbolS *sym; | |
150 | { | |
151 | return S_GET_ALIGN (sym); | |
152 | } | |
153 | ||
154 | static void | |
155 | elf_s_set_align (sym, align) | |
156 | symbolS *sym; | |
157 | bfd_vma align; | |
158 | { | |
159 | S_SET_ALIGN (sym, align); | |
160 | } | |
161 | ||
162 | static void | |
163 | elf_copy_symbol_attributes (dest, src) | |
164 | symbolS *dest, *src; | |
165 | { | |
166 | OBJ_COPY_SYMBOL_ATTRIBUTES (dest, src); | |
167 | } | |
168 | ||
169 | static int | |
170 | elf_sec_sym_ok_for_reloc (sec) | |
171 | asection *sec; | |
172 | { | |
173 | return obj_sec_sym_ok_for_reloc (sec); | |
174 | } | |
175 | ||
6e378515 KR |
176 | void |
177 | elf_file_symbol (s) | |
178 | char *s; | |
179 | { | |
180 | symbolS *sym; | |
181 | ||
182 | sym = symbol_new (s, absolute_section, (valueT) 0, (struct frag *) 0); | |
183 | sym->sy_frag = &zero_address_frag; | |
184 | sym->bsym->flags |= BSF_FILE; | |
185 | ||
186 | if (symbol_rootP != sym) | |
187 | { | |
188 | symbol_remove (sym, &symbol_rootP, &symbol_lastP); | |
189 | symbol_insert (sym, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
190 | #ifdef DEBUG | |
191 | verify_symbol_chain (symbol_rootP, symbol_lastP); | |
192 | #endif | |
193 | } | |
194 | } | |
195 | ||
d7852a33 | 196 | static void |
604633ae ILT |
197 | obj_elf_common (ignore) |
198 | int ignore; | |
d7852a33 KR |
199 | { |
200 | char *name; | |
201 | char c; | |
202 | char *p; | |
203 | int temp, size; | |
204 | symbolS *symbolP; | |
fa20b8bf | 205 | int have_align; |
d7852a33 KR |
206 | |
207 | name = input_line_pointer; | |
208 | c = get_symbol_end (); | |
209 | /* just after name is now '\0' */ | |
210 | p = input_line_pointer; | |
211 | *p = c; | |
212 | SKIP_WHITESPACE (); | |
213 | if (*input_line_pointer != ',') | |
214 | { | |
215 | as_bad ("Expected comma after symbol-name"); | |
216 | ignore_rest_of_line (); | |
217 | return; | |
218 | } | |
219 | input_line_pointer++; /* skip ',' */ | |
220 | if ((temp = get_absolute_expression ()) < 0) | |
221 | { | |
222 | as_bad (".COMMon length (%d.) <0! Ignored.", temp); | |
223 | ignore_rest_of_line (); | |
224 | return; | |
225 | } | |
226 | size = temp; | |
227 | *p = 0; | |
228 | symbolP = symbol_find_or_make (name); | |
229 | *p = c; | |
230 | if (S_IS_DEFINED (symbolP)) | |
231 | { | |
232 | as_bad ("Ignoring attempt to re-define symbol"); | |
233 | ignore_rest_of_line (); | |
234 | return; | |
235 | } | |
236 | if (S_GET_VALUE (symbolP) != 0) | |
237 | { | |
238 | if (S_GET_VALUE (symbolP) != size) | |
239 | { | |
240 | as_warn ("Length of .comm \"%s\" is already %ld. Not changed to %d.", | |
241 | S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size); | |
242 | } | |
243 | } | |
244 | know (symbolP->sy_frag == &zero_address_frag); | |
245 | if (*input_line_pointer != ',') | |
fa20b8bf ILT |
246 | have_align = 0; |
247 | else | |
d7852a33 | 248 | { |
fa20b8bf ILT |
249 | have_align = 1; |
250 | input_line_pointer++; | |
251 | SKIP_WHITESPACE (); | |
d7852a33 | 252 | } |
fa20b8bf | 253 | if (! have_align || *input_line_pointer != '"') |
d7852a33 | 254 | { |
fa20b8bf ILT |
255 | if (! have_align) |
256 | temp = 0; | |
257 | else | |
d7852a33 | 258 | { |
fa20b8bf ILT |
259 | temp = get_absolute_expression (); |
260 | if (temp < 0) | |
261 | { | |
262 | temp = 0; | |
263 | as_warn ("Common alignment negative; 0 assumed"); | |
264 | } | |
d7852a33 KR |
265 | } |
266 | if (symbolP->local) | |
267 | { | |
268 | segT old_sec; | |
269 | int old_subsec; | |
604633ae | 270 | char *pfrag; |
d7852a33 KR |
271 | int align; |
272 | ||
58d4951d | 273 | /* allocate_bss: */ |
d7852a33 KR |
274 | old_sec = now_seg; |
275 | old_subsec = now_subseg; | |
276 | align = temp; | |
277 | record_alignment (bss_section, align); | |
278 | subseg_set (bss_section, 0); | |
279 | if (align) | |
280 | frag_align (align, 0); | |
281 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
282 | symbolP->sy_frag->fr_symbol = 0; | |
283 | symbolP->sy_frag = frag_now; | |
604633ae ILT |
284 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, |
285 | (char *) 0); | |
286 | *pfrag = 0; | |
d7852a33 KR |
287 | S_SET_SEGMENT (symbolP, bss_section); |
288 | S_CLEAR_EXTERNAL (symbolP); | |
289 | subseg_set (old_sec, old_subsec); | |
290 | } | |
291 | else | |
292 | { | |
293 | allocate_common: | |
604633ae | 294 | S_SET_VALUE (symbolP, (valueT) size); |
e7757ad0 | 295 | S_SET_ALIGN (symbolP, temp); |
d7852a33 KR |
296 | S_SET_EXTERNAL (symbolP); |
297 | /* should be common, but this is how gas does it for now */ | |
e7757ad0 | 298 | S_SET_SEGMENT (symbolP, bfd_und_section_ptr); |
d7852a33 KR |
299 | } |
300 | } | |
301 | else | |
302 | { | |
303 | input_line_pointer++; | |
304 | /* @@ Some use the dot, some don't. Can we get some consistency?? */ | |
305 | if (*input_line_pointer == '.') | |
306 | input_line_pointer++; | |
307 | /* @@ Some say data, some say bss. */ | |
308 | if (strncmp (input_line_pointer, "bss\"", 4) | |
309 | && strncmp (input_line_pointer, "data\"", 5)) | |
310 | { | |
311 | while (*--input_line_pointer != '"') | |
312 | ; | |
313 | input_line_pointer--; | |
314 | goto bad_common_segment; | |
315 | } | |
316 | while (*input_line_pointer++ != '"') | |
317 | ; | |
318 | goto allocate_common; | |
319 | } | |
320 | demand_empty_rest_of_line (); | |
321 | return; | |
322 | ||
323 | { | |
324 | bad_common_segment: | |
325 | p = input_line_pointer; | |
326 | while (*p && *p != '\n') | |
327 | p++; | |
328 | c = *p; | |
329 | *p = '\0'; | |
330 | as_bad ("bad .common segment %s", input_line_pointer + 1); | |
331 | *p = c; | |
332 | input_line_pointer = p; | |
333 | ignore_rest_of_line (); | |
334 | return; | |
335 | } | |
336 | } | |
337 | ||
338 | static void | |
604633ae ILT |
339 | obj_elf_local (ignore) |
340 | int ignore; | |
d7852a33 KR |
341 | { |
342 | char *name; | |
343 | int c; | |
344 | symbolS *symbolP; | |
345 | ||
346 | do | |
347 | { | |
348 | name = input_line_pointer; | |
349 | c = get_symbol_end (); | |
350 | symbolP = symbol_find_or_make (name); | |
351 | *input_line_pointer = c; | |
352 | SKIP_WHITESPACE (); | |
353 | S_CLEAR_EXTERNAL (symbolP); | |
354 | symbolP->local = 1; | |
355 | if (c == ',') | |
356 | { | |
357 | input_line_pointer++; | |
358 | SKIP_WHITESPACE (); | |
359 | if (*input_line_pointer == '\n') | |
360 | c = '\n'; | |
361 | } | |
362 | } | |
363 | while (c == ','); | |
364 | demand_empty_rest_of_line (); | |
365 | } | |
366 | ||
b81b8a7d | 367 | static void |
604633ae ILT |
368 | obj_elf_weak (ignore) |
369 | int ignore; | |
b81b8a7d KR |
370 | { |
371 | char *name; | |
372 | int c; | |
373 | symbolS *symbolP; | |
374 | ||
375 | do | |
376 | { | |
377 | name = input_line_pointer; | |
378 | c = get_symbol_end (); | |
379 | symbolP = symbol_find_or_make (name); | |
380 | *input_line_pointer = c; | |
381 | SKIP_WHITESPACE (); | |
382 | S_SET_WEAK (symbolP); | |
383 | symbolP->local = 1; | |
384 | if (c == ',') | |
385 | { | |
386 | input_line_pointer++; | |
387 | SKIP_WHITESPACE (); | |
388 | if (*input_line_pointer == '\n') | |
389 | c = '\n'; | |
390 | } | |
391 | } | |
392 | while (c == ','); | |
393 | demand_empty_rest_of_line (); | |
394 | } | |
395 | ||
7c05f0ec KR |
396 | static segT previous_section; |
397 | static int previous_subsection; | |
398 | ||
fa20b8bf ILT |
399 | /* Handle the .section pseudo-op. This code supports two different |
400 | syntaxes. | |
401 | ||
402 | The first is found on Solaris, and looks like | |
403 | .section ".sec1",#alloc,#execinstr,#write | |
404 | Here the names after '#' are the SHF_* flags to turn on for the | |
405 | section. I'm not sure how it determines the SHT_* type (BFD | |
406 | doesn't really give us control over the type, anyhow). | |
407 | ||
408 | The second format is found on UnixWare, and probably most SVR4 | |
409 | machines, and looks like | |
410 | .section .sec1,"a",@progbits | |
411 | The quoted string may contain any combination of a, w, x, and | |
412 | represents the SHF_* flags to turn on for the section. The string | |
413 | beginning with '@' can be progbits or nobits. There should be | |
414 | other possibilities, but I don't know what they are. In any case, | |
415 | BFD doesn't really let us set the section type. */ | |
416 | ||
e79cb10b DE |
417 | /* Certain named sections have particular defined types, listed on p. |
418 | 4-19 of the ABI. */ | |
419 | struct special_section | |
420 | { | |
421 | const char *name; | |
422 | int type; | |
423 | int attributes; | |
424 | }; | |
425 | ||
426 | static struct special_section special_sections[] = | |
427 | { | |
428 | { ".bss", SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, | |
429 | { ".comment", SHT_PROGBITS, 0 }, | |
430 | { ".data", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, | |
431 | { ".data1", SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, | |
432 | { ".debug", SHT_PROGBITS, 0 }, | |
433 | { ".fini", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, | |
434 | { ".init", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, | |
435 | { ".line", SHT_PROGBITS, 0 }, | |
436 | { ".note", SHT_NOTE, 0 }, | |
437 | { ".rodata", SHT_PROGBITS, SHF_ALLOC }, | |
438 | { ".rodata1", SHT_PROGBITS, SHF_ALLOC }, | |
439 | { ".text", SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR }, | |
440 | ||
441 | #ifdef ELF_TC_SPECIAL_SECTIONS | |
442 | ELF_TC_SPECIAL_SECTIONS | |
443 | #endif | |
444 | ||
445 | #if 0 | |
446 | /* The following section names are special, but they can not | |
447 | reasonably appear in assembler code. Some of the attributes are | |
448 | processor dependent. */ | |
449 | { ".dynamic", SHT_DYNAMIC, SHF_ALLOC /* + SHF_WRITE */ }, | |
450 | { ".dynstr", SHT_STRTAB, SHF_ALLOC }, | |
451 | { ".dynsym", SHT_DYNSYM, SHF_ALLOC }, | |
452 | { ".got", SHT_PROGBITS, 0 }, | |
453 | { ".hash", SHT_HASH, SHF_ALLOC }, | |
454 | { ".interp", SHT_PROGBITS, /* SHF_ALLOC */ }, | |
455 | { ".plt", SHT_PROGBITS, 0 }, | |
456 | { ".shstrtab",SHT_STRTAB, 0 }, | |
457 | { ".strtab", SHT_STRTAB, /* SHF_ALLOC */ }, | |
458 | { ".symtab", SHT_SYMTAB, /* SHF_ALLOC */ }, | |
459 | #endif | |
460 | ||
461 | { NULL, 0, 0 } | |
462 | }; | |
463 | ||
693b21e7 | 464 | void |
49864cfa KR |
465 | obj_elf_section (xxx) |
466 | int xxx; | |
467 | { | |
468 | char *string; | |
13998021 | 469 | int new_sec; |
fa20b8bf | 470 | segT sec; |
e79cb10b DE |
471 | int type, attr; |
472 | int i; | |
fa20b8bf | 473 | flagword flags; |
49864cfa | 474 | |
e7757ad0 KR |
475 | #ifdef md_flush_pending_output |
476 | md_flush_pending_output (); | |
477 | #endif | |
478 | ||
b81b8a7d | 479 | /* Get name of section. */ |
fa20b8bf | 480 | SKIP_WHITESPACE (); |
7c05f0ec | 481 | if (*input_line_pointer == '"') |
fa20b8bf ILT |
482 | { |
483 | string = demand_copy_C_string (&xxx); | |
484 | if (string == NULL) | |
485 | { | |
486 | ignore_rest_of_line (); | |
487 | return; | |
488 | } | |
489 | } | |
7c05f0ec KR |
490 | else |
491 | { | |
492 | char *p = input_line_pointer; | |
493 | char c; | |
494 | while (0 == strchr ("\n\t,; ", *p)) | |
495 | p++; | |
fa20b8bf ILT |
496 | if (p == input_line_pointer) |
497 | { | |
498 | as_warn ("Missing section name"); | |
499 | ignore_rest_of_line (); | |
500 | return; | |
501 | } | |
7c05f0ec KR |
502 | c = *p; |
503 | *p = 0; | |
604633ae | 504 | string = xmalloc ((unsigned long) (p - input_line_pointer + 1)); |
7c05f0ec KR |
505 | strcpy (string, input_line_pointer); |
506 | *p = c; | |
507 | input_line_pointer = p; | |
508 | } | |
fa20b8bf ILT |
509 | |
510 | /* Switch to the section, creating it if necessary. */ | |
511 | previous_section = now_seg; | |
512 | previous_subsection = now_subseg; | |
513 | ||
514 | new_sec = bfd_get_section_by_name (stdoutput, string) == NULL; | |
515 | sec = subseg_new (string, 0); | |
516 | ||
517 | /* If this section already existed, we don't bother to change the | |
518 | flag values. */ | |
519 | if (! new_sec) | |
520 | { | |
521 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
522 | ++input_line_pointer; | |
523 | ++input_line_pointer; | |
e7757ad0 KR |
524 | |
525 | #ifdef md_elf_section_change_hook | |
526 | md_elf_section_change_hook (); | |
527 | #endif | |
528 | ||
fa20b8bf ILT |
529 | return; |
530 | } | |
b81b8a7d | 531 | |
49864cfa | 532 | SKIP_WHITESPACE (); |
e79cb10b DE |
533 | |
534 | type = SHT_NULL; | |
535 | attr = 0; | |
536 | ||
537 | if (*input_line_pointer == ',') | |
fa20b8bf ILT |
538 | { |
539 | /* Skip the comma. */ | |
540 | ++input_line_pointer; | |
b81b8a7d | 541 | |
fa20b8bf | 542 | SKIP_WHITESPACE (); |
b81b8a7d KR |
543 | if (*input_line_pointer == '"') |
544 | { | |
fa20b8bf | 545 | /* Pick up a string with a combination of a, w, x. */ |
fa20b8bf ILT |
546 | ++input_line_pointer; |
547 | while (*input_line_pointer != '"') | |
548 | { | |
549 | switch (*input_line_pointer) | |
550 | { | |
551 | case 'a': | |
e79cb10b | 552 | attr |= SHF_ALLOC; |
fa20b8bf ILT |
553 | break; |
554 | case 'w': | |
e79cb10b | 555 | attr |= SHF_WRITE; |
fa20b8bf ILT |
556 | break; |
557 | case 'x': | |
e79cb10b | 558 | attr |= SHF_EXECINSTR; |
fa20b8bf ILT |
559 | break; |
560 | default: | |
561 | as_warn ("Bad .section directive: want a,w,x in string"); | |
562 | ignore_rest_of_line (); | |
563 | return; | |
564 | } | |
565 | ++input_line_pointer; | |
566 | } | |
567 | ||
568 | /* Skip the closing quote. */ | |
569 | ++input_line_pointer; | |
570 | ||
b81b8a7d | 571 | SKIP_WHITESPACE (); |
fa20b8bf ILT |
572 | if (*input_line_pointer == ',') |
573 | { | |
574 | ++input_line_pointer; | |
575 | SKIP_WHITESPACE (); | |
576 | if (*input_line_pointer == '@') | |
577 | { | |
578 | ++input_line_pointer; | |
579 | if (strncmp (input_line_pointer, "progbits", | |
580 | sizeof "progbits" - 1) == 0) | |
581 | { | |
e79cb10b | 582 | type = SHT_PROGBITS; |
fa20b8bf ILT |
583 | input_line_pointer += sizeof "progbits" - 1; |
584 | } | |
585 | else if (strncmp (input_line_pointer, "nobits", | |
586 | sizeof "nobits" - 1) == 0) | |
587 | { | |
e79cb10b | 588 | type = SHT_NOBITS; |
fa20b8bf ILT |
589 | input_line_pointer += sizeof "nobits" - 1; |
590 | } | |
591 | else | |
592 | { | |
593 | as_warn ("Unrecognized section type"); | |
594 | ignore_rest_of_line (); | |
595 | } | |
596 | } | |
597 | } | |
b81b8a7d | 598 | } |
fa20b8bf | 599 | else |
49864cfa | 600 | { |
fa20b8bf ILT |
601 | do |
602 | { | |
603 | SKIP_WHITESPACE (); | |
604 | if (*input_line_pointer != '#') | |
605 | { | |
606 | as_warn ("Bad .section directive"); | |
607 | ignore_rest_of_line (); | |
608 | return; | |
609 | } | |
610 | ++input_line_pointer; | |
611 | if (strncmp (input_line_pointer, "write", | |
612 | sizeof "write" - 1) == 0) | |
613 | { | |
e79cb10b | 614 | attr |= SHF_WRITE; |
fa20b8bf ILT |
615 | input_line_pointer += sizeof "write" - 1; |
616 | } | |
617 | else if (strncmp (input_line_pointer, "alloc", | |
618 | sizeof "alloc" - 1) == 0) | |
619 | { | |
e79cb10b | 620 | attr |= SHF_ALLOC; |
fa20b8bf ILT |
621 | input_line_pointer += sizeof "alloc" - 1; |
622 | } | |
623 | else if (strncmp (input_line_pointer, "execinstr", | |
624 | sizeof "execinstr" - 1) == 0) | |
625 | { | |
e79cb10b | 626 | attr |= SHF_EXECINSTR; |
fa20b8bf ILT |
627 | input_line_pointer += sizeof "execinstr" - 1; |
628 | } | |
629 | else | |
630 | { | |
631 | as_warn ("Unrecognized section attribute"); | |
632 | ignore_rest_of_line (); | |
633 | return; | |
634 | } | |
635 | SKIP_WHITESPACE (); | |
636 | } | |
637 | while (*input_line_pointer++ == ','); | |
638 | --input_line_pointer; | |
49864cfa | 639 | } |
49864cfa | 640 | } |
49864cfa | 641 | |
e79cb10b DE |
642 | /* See if this is one of the special sections. */ |
643 | for (i = 0; special_sections[i].name != NULL; i++) | |
644 | { | |
645 | if (string[1] == special_sections[i].name[1] | |
646 | && strcmp (string, special_sections[i].name) == 0) | |
647 | { | |
648 | if (type == SHT_NULL) | |
649 | type = special_sections[i].type; | |
650 | else if (type != special_sections[i].type) | |
651 | as_warn ("Setting incorrect section type for %s", string); | |
652 | ||
653 | if ((attr &~ special_sections[i].attributes) != 0) | |
654 | as_warn ("Setting incorrect section attributes for %s", string); | |
655 | attr |= special_sections[i].attributes; | |
656 | ||
657 | break; | |
658 | } | |
659 | } | |
660 | ||
661 | flags = (SEC_RELOC | |
662 | | ((attr & SHF_WRITE) ? 0 : SEC_READONLY) | |
663 | | ((attr & SHF_ALLOC) ? SEC_ALLOC | SEC_LOAD : 0) | |
664 | | ((attr & SHF_EXECINSTR) ? SEC_CODE : 0)); | |
e7757ad0 | 665 | if (special_sections[i].name == NULL) |
e79cb10b | 666 | { |
e7757ad0 KR |
667 | if (type == SHT_PROGBITS) |
668 | flags |= SEC_ALLOC | SEC_LOAD; | |
669 | else if (type == SHT_NOBITS) | |
670 | { | |
671 | flags |= SEC_ALLOC; | |
672 | flags &=~ SEC_LOAD; | |
673 | } | |
e79cb10b DE |
674 | } |
675 | ||
fa20b8bf | 676 | bfd_set_section_flags (stdoutput, sec, flags); |
13998021 | 677 | |
e7757ad0 KR |
678 | #ifdef md_elf_section_change_hook |
679 | md_elf_section_change_hook (); | |
680 | #endif | |
681 | ||
fa20b8bf | 682 | demand_empty_rest_of_line (); |
13998021 ILT |
683 | } |
684 | ||
685 | /* Change to the .data section. */ | |
686 | ||
687 | static void | |
688 | obj_elf_data (i) | |
689 | int i; | |
690 | { | |
691 | previous_section = now_seg; | |
692 | previous_subsection = now_subseg; | |
693 | s_data (i); | |
694 | } | |
695 | ||
696 | /* Change to the .text section. */ | |
697 | ||
698 | static void | |
699 | obj_elf_text (i) | |
700 | int i; | |
701 | { | |
702 | previous_section = now_seg; | |
703 | previous_subsection = now_subseg; | |
704 | s_text (i); | |
49864cfa KR |
705 | } |
706 | ||
693b21e7 | 707 | void |
604633ae ILT |
708 | obj_elf_previous (ignore) |
709 | int ignore; | |
7c05f0ec KR |
710 | { |
711 | if (previous_section == 0) | |
712 | { | |
713 | as_bad (".previous without corresponding .section; ignored"); | |
714 | return; | |
715 | } | |
716 | subseg_set (previous_section, previous_subsection); | |
717 | previous_section = 0; | |
718 | } | |
719 | ||
6e378515 | 720 | static void |
604633ae ILT |
721 | obj_elf_line (ignore) |
722 | int ignore; | |
6e378515 KR |
723 | { |
724 | /* Assume delimiter is part of expression. BSD4.2 as fails with | |
725 | delightful bug, so we are not being incompatible here. */ | |
726 | new_logical_line ((char *) NULL, (int) (get_absolute_expression ())); | |
727 | demand_empty_rest_of_line (); | |
728 | } | |
49864cfa | 729 | |
6e378515 KR |
730 | void |
731 | obj_read_begin_hook () | |
49864cfa | 732 | { |
e7757ad0 KR |
733 | if (ECOFF_DEBUGGING) |
734 | ecoff_read_begin_hook (); | |
49864cfa KR |
735 | } |
736 | ||
6e378515 KR |
737 | void |
738 | obj_symbol_new_hook (symbolP) | |
739 | symbolS *symbolP; | |
49864cfa | 740 | { |
e7757ad0 | 741 | symbolP->sy_obj = 0; |
49864cfa | 742 | |
e7757ad0 KR |
743 | if (ECOFF_DEBUGGING) |
744 | ecoff_symbol_new_hook (symbolP); | |
49864cfa KR |
745 | } |
746 | ||
6e378515 | 747 | void |
604633ae ILT |
748 | obj_elf_version (ignore) |
749 | int ignore; | |
49864cfa | 750 | { |
6e378515 KR |
751 | char *name; |
752 | unsigned int c; | |
753 | char ch; | |
754 | char *p; | |
755 | asection *seg = now_seg; | |
756 | subsegT subseg = now_subseg; | |
757 | Elf_Internal_Note i_note; | |
758 | Elf_External_Note e_note; | |
759 | asection *note_secp = (asection *) NULL; | |
760 | int i, len; | |
761 | ||
762 | SKIP_WHITESPACE (); | |
763 | if (*input_line_pointer == '\"') | |
764 | { | |
765 | ++input_line_pointer; /* -> 1st char of string. */ | |
49864cfa KR |
766 | name = input_line_pointer; |
767 | ||
6e378515 KR |
768 | while (is_a_char (c = next_char_of_string ())) |
769 | ; | |
49864cfa KR |
770 | c = *input_line_pointer; |
771 | *input_line_pointer = '\0'; | |
6e378515 | 772 | *(input_line_pointer - 1) = '\0'; |
49864cfa KR |
773 | *input_line_pointer = c; |
774 | ||
4f0bccc7 | 775 | /* create the .note section */ |
49864cfa | 776 | |
4f0bccc7 ILT |
777 | note_secp = subseg_new (".note", 0); |
778 | bfd_set_section_flags (stdoutput, | |
779 | note_secp, | |
780 | SEC_HAS_CONTENTS | SEC_READONLY); | |
49864cfa KR |
781 | |
782 | /* process the version string */ | |
783 | ||
6e378515 KR |
784 | len = strlen (name); |
785 | ||
693b21e7 KR |
786 | i_note.namesz = ((len + 1) + 3) & ~3; /* round this to word boundary */ |
787 | i_note.descsz = 0; /* no description */ | |
6e378515 KR |
788 | i_note.type = NT_VERSION; |
789 | p = frag_more (sizeof (e_note.namesz)); | |
790 | md_number_to_chars (p, (valueT) i_note.namesz, 4); | |
791 | p = frag_more (sizeof (e_note.descsz)); | |
792 | md_number_to_chars (p, (valueT) i_note.descsz, 4); | |
793 | p = frag_more (sizeof (e_note.type)); | |
794 | md_number_to_chars (p, (valueT) i_note.type, 4); | |
795 | ||
796 | for (i = 0; i < len; i++) | |
797 | { | |
798 | ch = *(name + i); | |
799 | { | |
800 | FRAG_APPEND_1_CHAR (ch); | |
801 | } | |
802 | } | |
803 | frag_align (2, 0); | |
49864cfa | 804 | |
604633ae | 805 | subseg_set (seg, subseg); |
49864cfa | 806 | } |
6e378515 KR |
807 | else |
808 | { | |
693b21e7 | 809 | as_bad ("Expected quoted string"); |
49864cfa | 810 | } |
6e378515 | 811 | demand_empty_rest_of_line (); |
49864cfa KR |
812 | } |
813 | ||
814 | static void | |
604633ae ILT |
815 | obj_elf_size (ignore) |
816 | int ignore; | |
49864cfa KR |
817 | { |
818 | char *name = input_line_pointer; | |
819 | char c = get_symbol_end (); | |
820 | char *p; | |
821 | expressionS exp; | |
49864cfa KR |
822 | symbolS *sym; |
823 | ||
824 | p = input_line_pointer; | |
825 | *p = c; | |
826 | SKIP_WHITESPACE (); | |
827 | if (*input_line_pointer != ',') | |
828 | { | |
829 | *p = 0; | |
830 | as_bad ("expected comma after name `%s' in .size directive", name); | |
831 | *p = c; | |
832 | ignore_rest_of_line (); | |
833 | return; | |
834 | } | |
835 | input_line_pointer++; | |
5ac34ac3 ILT |
836 | expression (&exp); |
837 | if (exp.X_op == O_absent) | |
49864cfa KR |
838 | { |
839 | as_bad ("missing expression in .size directive"); | |
5ac34ac3 | 840 | exp.X_op = O_constant; |
49864cfa KR |
841 | exp.X_add_number = 0; |
842 | } | |
843 | *p = 0; | |
844 | sym = symbol_find_or_make (name); | |
845 | *p = c; | |
5ac34ac3 | 846 | if (exp.X_op == O_constant) |
49864cfa KR |
847 | S_SET_SIZE (sym, exp.X_add_number); |
848 | else | |
6e378515 | 849 | { |
e7757ad0 KR |
850 | sym->sy_obj = (expressionS *) xmalloc (sizeof (expressionS)); |
851 | *sym->sy_obj = exp; | |
6e378515 | 852 | } |
49864cfa KR |
853 | demand_empty_rest_of_line (); |
854 | } | |
855 | ||
e7757ad0 KR |
856 | /* Handle the ELF .type pseudo-op. This sets the type of a symbol. |
857 | There are three syntaxes. The first (used on Solaris) is | |
858 | .type SYM,#function | |
859 | The second (used on UnixWare) is | |
860 | .type SYM,@function | |
861 | The third (reportedly to be used on Irix 6.0) is | |
862 | .type SYM STT_FUNC | |
863 | ||
864 | FIXME: We do not fully support this pseudo-op. In fact, the only | |
865 | case we do support is setting the type to STT_FUNC, which we do by | |
866 | setting the BSF_FUNCTION flag. */ | |
867 | ||
49864cfa | 868 | static void |
604633ae ILT |
869 | obj_elf_type (ignore) |
870 | int ignore; | |
49864cfa | 871 | { |
e7757ad0 KR |
872 | char *name; |
873 | char c; | |
874 | int type; | |
875 | const char *typename; | |
49864cfa KR |
876 | symbolS *sym; |
877 | ||
e7757ad0 KR |
878 | name = input_line_pointer; |
879 | c = get_symbol_end (); | |
880 | sym = symbol_find_or_make (name); | |
881 | *input_line_pointer = c; | |
882 | ||
49864cfa | 883 | SKIP_WHITESPACE (); |
e7757ad0 KR |
884 | if (*input_line_pointer == ',') |
885 | ++input_line_pointer; | |
886 | ||
49864cfa | 887 | SKIP_WHITESPACE (); |
e7757ad0 KR |
888 | if (*input_line_pointer == '#' || *input_line_pointer == '@') |
889 | ++input_line_pointer; | |
890 | ||
891 | typename = input_line_pointer; | |
892 | c = get_symbol_end (); | |
893 | ||
894 | type = 0; | |
895 | if (strcmp (typename, "function") == 0 | |
896 | || strcmp (typename, "STT_FUNC") == 0) | |
897 | type = BSF_FUNCTION; | |
898 | else if (strcmp (typename, "object") == 0 | |
899 | || strcmp (typename, "STT_OBJECT") == 0) | |
900 | ; | |
49864cfa | 901 | else |
e7757ad0 KR |
902 | as_bad ("ignoring unrecognized symbol type \"%s\"", typename); |
903 | ||
904 | *input_line_pointer = c; | |
905 | ||
6e378515 | 906 | sym->bsym->flags |= type; |
e7757ad0 KR |
907 | |
908 | demand_empty_rest_of_line (); | |
49864cfa KR |
909 | } |
910 | ||
911 | static void | |
604633ae ILT |
912 | obj_elf_ident (ignore) |
913 | int ignore; | |
49864cfa | 914 | { |
6e378515 KR |
915 | static segT comment_section; |
916 | segT old_section = now_seg; | |
917 | int old_subsection = now_subseg; | |
49864cfa | 918 | |
6e378515 KR |
919 | if (!comment_section) |
920 | { | |
921 | char *p; | |
922 | comment_section = subseg_new (".comment", 0); | |
fa20b8bf ILT |
923 | bfd_set_section_flags (stdoutput, comment_section, |
924 | SEC_READONLY | SEC_HAS_CONTENTS); | |
6e378515 KR |
925 | p = frag_more (1); |
926 | *p = 0; | |
927 | } | |
928 | else | |
929 | subseg_set (comment_section, 0); | |
930 | stringer (1); | |
931 | subseg_set (old_section, old_subsection); | |
932 | } | |
933 | ||
e79cb10b DE |
934 | #ifdef INIT_STAB_SECTION |
935 | ||
9bd0d649 ILT |
936 | /* The first entry in a .stabs section is special. */ |
937 | ||
938 | void | |
939 | obj_elf_init_stab_section (seg) | |
940 | segT seg; | |
941 | { | |
fa20b8bf | 942 | char *file; |
9bd0d649 | 943 | char *p; |
c5953036 | 944 | char *stabstr_name; |
9bd0d649 ILT |
945 | unsigned int stroff; |
946 | ||
fa20b8bf ILT |
947 | /* Force the section to align to a longword boundary. Without this, |
948 | UnixWare ar crashes. */ | |
949 | bfd_set_section_alignment (stdoutput, seg, 2); | |
950 | ||
e7757ad0 | 951 | /* Make space for this first symbol. */ |
9bd0d649 | 952 | p = frag_more (12); |
e7757ad0 KR |
953 | /* Zero it out. */ |
954 | memset (p, 0, 12); | |
fa20b8bf | 955 | as_where (&file, (unsigned int *) NULL); |
c5953036 ILT |
956 | stabstr_name = (char *) alloca (strlen (segment_name (seg)) + 4); |
957 | strcpy (stabstr_name, segment_name (seg)); | |
958 | strcat (stabstr_name, "str"); | |
959 | stroff = get_stab_string_offset (file, stabstr_name); | |
9bd0d649 ILT |
960 | know (stroff == 1); |
961 | md_number_to_chars (p, stroff, 4); | |
962 | seg_info (seg)->stabu.p = p; | |
963 | } | |
964 | ||
e79cb10b DE |
965 | #endif |
966 | ||
9bd0d649 ILT |
967 | /* Fill in the counts in the first entry in a .stabs section. */ |
968 | ||
693b21e7 KR |
969 | static void |
970 | adjust_stab_sections (abfd, sec, xxx) | |
971 | bfd *abfd; | |
972 | asection *sec; | |
973 | PTR xxx; | |
974 | { | |
975 | char *name; | |
976 | asection *strsec; | |
4f0bccc7 | 977 | char *p; |
693b21e7 KR |
978 | int strsz, nsyms; |
979 | ||
980 | if (strncmp (".stab", sec->name, 5)) | |
981 | return; | |
982 | if (!strcmp ("str", sec->name + strlen (sec->name) - 3)) | |
983 | return; | |
984 | ||
985 | name = (char *) alloca (strlen (sec->name) + 4); | |
986 | strcpy (name, sec->name); | |
987 | strcat (name, "str"); | |
988 | strsec = bfd_get_section_by_name (abfd, name); | |
989 | if (strsec) | |
990 | strsz = bfd_section_size (abfd, strsec); | |
991 | else | |
992 | strsz = 0; | |
993 | nsyms = bfd_section_size (abfd, sec) / 12 - 1; | |
994 | ||
4f0bccc7 ILT |
995 | p = seg_info (sec)->stabu.p; |
996 | assert (p != 0); | |
693b21e7 | 997 | |
9bd0d649 ILT |
998 | bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); |
999 | bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); | |
693b21e7 KR |
1000 | } |
1001 | ||
e7757ad0 | 1002 | /* #ifdef ECOFF_DEBUGGING */ |
c5953036 ILT |
1003 | |
1004 | /* This function is called by the ECOFF code. It is supposed to | |
1005 | record the external symbol information so that the backend can | |
1006 | write it out correctly. The ELF backend doesn't actually handle | |
1007 | this at the moment, so we do it ourselves. We save the information | |
1008 | in the symbol. */ | |
1009 | ||
1010 | void | |
e7757ad0 | 1011 | elf_ecoff_set_ext (sym, ext) |
c5953036 | 1012 | symbolS *sym; |
e7757ad0 | 1013 | struct ecoff_extr *ext; |
c5953036 | 1014 | { |
e7757ad0 | 1015 | sym->bsym->udata.p = (PTR) ext; |
c5953036 ILT |
1016 | } |
1017 | ||
1018 | /* This function is called by bfd_ecoff_debug_externals. It is | |
1019 | supposed to *EXT to the external symbol information, and return | |
1020 | whether the symbol should be used at all. */ | |
1021 | ||
1022 | static boolean | |
1023 | elf_get_extr (sym, ext) | |
1024 | asymbol *sym; | |
1025 | EXTR *ext; | |
1026 | { | |
e7757ad0 | 1027 | if (sym->udata.p == NULL) |
c5953036 | 1028 | return false; |
e7757ad0 | 1029 | *ext = *(EXTR *) sym->udata.p; |
c5953036 ILT |
1030 | return true; |
1031 | } | |
1032 | ||
1033 | /* This function is called by bfd_ecoff_debug_externals. It has | |
1034 | nothing to do for ELF. */ | |
1035 | ||
1036 | /*ARGSUSED*/ | |
1037 | static void | |
1038 | elf_set_index (sym, indx) | |
1039 | asymbol *sym; | |
1040 | bfd_size_type indx; | |
1041 | { | |
1042 | } | |
1043 | ||
e7757ad0 KR |
1044 | /* #endif /* ECOFF_DEBUGGING */ |
1045 | ||
1046 | void | |
1047 | elf_frob_symbol (symp, puntp) | |
1048 | symbolS *symp; | |
1049 | int *puntp; | |
1050 | { | |
1051 | if (ECOFF_DEBUGGING) | |
1052 | ecoff_frob_symbol (symp); | |
1053 | ||
1054 | if (symp->sy_obj) | |
1055 | { | |
1056 | switch (symp->sy_obj->X_op) | |
1057 | { | |
1058 | case O_subtract: | |
1059 | S_SET_SIZE (symp, | |
1060 | (S_GET_VALUE (symp->sy_obj->X_add_symbol) | |
1061 | + symp->sy_obj->X_add_number | |
1062 | - S_GET_VALUE (symp->sy_obj->X_op_symbol))); | |
1063 | break; | |
1064 | case O_constant: | |
1065 | S_SET_SIZE (symp, | |
1066 | (S_GET_VALUE (symp->sy_obj->X_add_symbol) | |
1067 | + symp->sy_obj->X_add_number)); | |
1068 | break; | |
1069 | default: | |
1070 | as_bad (".size expression too complicated to fix up"); | |
1071 | break; | |
1072 | } | |
1073 | } | |
1074 | free (symp->sy_obj); | |
1075 | symp->sy_obj = 0; | |
1076 | ||
1077 | /* Double check weak symbols. */ | |
1078 | if (symp->bsym->flags & BSF_WEAK) | |
1079 | { | |
1080 | if (S_IS_COMMON (symp)) | |
1081 | as_bad ("Symbol `%s' can not be both weak and common", | |
1082 | S_GET_NAME (symp)); | |
1083 | } | |
1084 | } | |
c5953036 | 1085 | |
6e378515 KR |
1086 | void |
1087 | elf_frob_file () | |
1088 | { | |
693b21e7 KR |
1089 | bfd_map_over_sections (stdoutput, adjust_stab_sections, (PTR) 0); |
1090 | ||
6e378515 | 1091 | #ifdef elf_tc_final_processing |
5cf4cd1b | 1092 | elf_tc_final_processing (); |
6e378515 KR |
1093 | #endif |
1094 | ||
e7757ad0 KR |
1095 | if (ECOFF_DEBUGGING) |
1096 | /* Generate the ECOFF debugging information. */ | |
1097 | { | |
1098 | const struct ecoff_debug_swap *debug_swap; | |
1099 | struct ecoff_debug_info debug; | |
1100 | char *buf; | |
1101 | asection *sec; | |
c5953036 | 1102 | |
e7757ad0 KR |
1103 | debug_swap |
1104 | = get_elf_backend_data (stdoutput)->elf_backend_ecoff_debug_swap; | |
1105 | know (debug_swap != (const struct ecoff_debug_swap *) NULL); | |
1106 | ecoff_build_debug (&debug.symbolic_header, &buf, debug_swap); | |
c5953036 | 1107 | |
e7757ad0 | 1108 | /* Set up the pointers in debug. */ |
c5953036 ILT |
1109 | #define SET(ptr, offset, type) \ |
1110 | debug.ptr = (type) (buf + debug.symbolic_header.offset) | |
1111 | ||
e7757ad0 KR |
1112 | SET (line, cbLineOffset, unsigned char *); |
1113 | SET (external_dnr, cbDnOffset, PTR); | |
1114 | SET (external_pdr, cbPdOffset, PTR); | |
1115 | SET (external_sym, cbSymOffset, PTR); | |
1116 | SET (external_opt, cbOptOffset, PTR); | |
1117 | SET (external_aux, cbAuxOffset, union aux_ext *); | |
1118 | SET (ss, cbSsOffset, char *); | |
1119 | SET (external_fdr, cbFdOffset, PTR); | |
1120 | SET (external_rfd, cbRfdOffset, PTR); | |
1121 | /* ssext and external_ext are set up just below. */ | |
c5953036 ILT |
1122 | |
1123 | #undef SET | |
1124 | ||
e7757ad0 KR |
1125 | /* Set up the external symbols. */ |
1126 | debug.ssext = debug.ssext_end = NULL; | |
1127 | debug.external_ext = debug.external_ext_end = NULL; | |
1128 | if (! bfd_ecoff_debug_externals (stdoutput, &debug, debug_swap, true, | |
1129 | elf_get_extr, elf_set_index)) | |
1130 | as_fatal ("Failed to set up debugging information: %s", | |
1131 | bfd_errmsg (bfd_get_error ())); | |
1132 | ||
1133 | sec = bfd_get_section_by_name (stdoutput, ".mdebug"); | |
1134 | assert (sec != NULL); | |
1135 | ||
1136 | know (stdoutput->output_has_begun == false); | |
1137 | ||
1138 | /* We set the size of the section, call bfd_set_section_contents | |
1139 | to force the ELF backend to allocate a file position, and then | |
1140 | write out the data. FIXME: Is this really the best way to do | |
1141 | this? */ | |
1142 | sec->_raw_size = bfd_ecoff_debug_size (stdoutput, &debug, debug_swap); | |
1143 | ||
1144 | if (! bfd_set_section_contents (stdoutput, sec, (PTR) NULL, | |
1145 | (file_ptr) 0, (bfd_size_type) 0)) | |
1146 | as_fatal ("Can't start writing .mdebug section: %s", | |
1147 | bfd_errmsg (bfd_get_error ())); | |
1148 | ||
1149 | know (stdoutput->output_has_begun == true); | |
1150 | know (sec->filepos != 0); | |
1151 | ||
1152 | if (! bfd_ecoff_write_debug (stdoutput, &debug, debug_swap, | |
1153 | sec->filepos)) | |
1154 | as_fatal ("Could not write .mdebug section: %s", | |
1155 | bfd_errmsg (bfd_get_error ())); | |
1156 | } | |
49864cfa | 1157 | } |
e7757ad0 KR |
1158 | |
1159 | const struct format_ops elf_format_ops = | |
1160 | { | |
1161 | bfd_target_elf_flavour, | |
1162 | 0, | |
1163 | 1, | |
1164 | elf_frob_symbol, | |
1165 | elf_frob_file, | |
1166 | elf_s_get_size, elf_s_set_size, | |
1167 | elf_s_get_align, elf_s_set_align, | |
1168 | elf_copy_symbol_attributes, | |
1169 | #ifdef ECOFF_DEBUGGING | |
1170 | ecoff_generate_asm_lineno, | |
1171 | #else | |
1172 | 0, | |
1173 | #endif | |
1174 | 0, /* process_stab */ | |
1175 | elf_sec_sym_ok_for_reloc, | |
1176 | elf_pop_insert, | |
1177 | elf_ecoff_set_ext, | |
1178 | obj_read_begin_hook, | |
1179 | obj_symbol_new_hook, | |
1180 | }; |