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252b5132 RH |
1 | /* BFD back-end for Intel 960 COFF files. |
2 | Copyright (C) 1990, 91, 92, 93, 94, 95, 1997 Free Software Foundation, Inc. | |
3 | Written by Cygnus Support. | |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #define I960 1 | |
22 | #define BADMAG(x) I960BADMAG(x) | |
23 | ||
24 | #include "bfd.h" | |
25 | #include "sysdep.h" | |
26 | #include "libbfd.h" | |
27 | #include "coff/i960.h" | |
28 | #include "coff/internal.h" | |
29 | #include "libcoff.h" /* to allow easier abstraction-breaking */ | |
30 | ||
31 | static boolean coff_i960_is_local_label_name PARAMS ((bfd *, const char *)); | |
32 | static bfd_reloc_status_type optcall_callback | |
33 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
34 | static bfd_reloc_status_type coff_i960_relocate | |
35 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
36 | static reloc_howto_type *coff_i960_reloc_type_lookup | |
37 | PARAMS ((bfd *, bfd_reloc_code_real_type)); | |
38 | static boolean coff_i960_start_final_link | |
39 | PARAMS ((bfd *, struct bfd_link_info *)); | |
40 | static boolean coff_i960_relocate_section | |
41 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, | |
42 | struct internal_reloc *, struct internal_syment *, asection **)); | |
43 | static boolean coff_i960_adjust_symndx | |
44 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, | |
45 | struct internal_reloc *, boolean *)); | |
46 | ||
47 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) | |
48 | #define COFF_ALIGN_IN_SECTION_HEADER 1 | |
49 | ||
50 | #define GET_SCNHDR_ALIGN bfd_h_get_32 | |
51 | #define PUT_SCNHDR_ALIGN bfd_h_put_32 | |
52 | ||
53 | /* The i960 does not support an MMU, so COFF_PAGE_SIZE can be | |
54 | arbitrarily small. */ | |
55 | #define COFF_PAGE_SIZE 1 | |
56 | ||
57 | #define COFF_LONG_FILENAMES | |
58 | ||
59 | /* This set of local label names is taken from gas. */ | |
60 | ||
61 | static boolean | |
62 | coff_i960_is_local_label_name (abfd, name) | |
63 | bfd *abfd; | |
64 | const char *name; | |
65 | { | |
66 | return (name[0] == 'L' | |
67 | || (name[0] == '.' | |
68 | && (name[1] == 'C' | |
69 | || name[1] == 'I' | |
70 | || name[1] == '.'))); | |
71 | } | |
72 | ||
73 | /* This is just like the usual CALC_ADDEND, but it includes the | |
74 | section VMA for PC relative relocs. */ | |
75 | #ifndef CALC_ADDEND | |
76 | #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \ | |
77 | { \ | |
78 | coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \ | |
79 | if (ptr && bfd_asymbol_bfd (ptr) != abfd) \ | |
80 | coffsym = (obj_symbols (abfd) \ | |
81 | + (cache_ptr->sym_ptr_ptr - symbols)); \ | |
82 | else if (ptr) \ | |
83 | coffsym = coff_symbol_from (abfd, ptr); \ | |
84 | if (coffsym != (coff_symbol_type *) NULL \ | |
85 | && coffsym->native->u.syment.n_scnum == 0) \ | |
86 | cache_ptr->addend = 0; \ | |
87 | else if (ptr && bfd_asymbol_bfd (ptr) == abfd \ | |
88 | && ptr->section != (asection *) NULL) \ | |
89 | cache_ptr->addend = - (ptr->section->vma + ptr->value); \ | |
90 | else \ | |
91 | cache_ptr->addend = 0; \ | |
92 | if (ptr && (reloc.r_type == 25 || reloc.r_type == 27)) \ | |
93 | cache_ptr->addend += asect->vma; \ | |
94 | } | |
95 | #endif | |
96 | ||
97 | #define CALLS 0x66003800 /* Template for 'calls' instruction */ | |
98 | #define BAL 0x0b000000 /* Template for 'bal' instruction */ | |
99 | #define BAL_MASK 0x00ffffff | |
100 | ||
101 | static bfd_reloc_status_type | |
102 | optcall_callback (abfd, reloc_entry, symbol_in, data, | |
103 | input_section, ignore_bfd, error_message) | |
104 | bfd *abfd; | |
105 | arelent *reloc_entry; | |
106 | asymbol *symbol_in; | |
107 | PTR data; | |
108 | asection *input_section; | |
109 | bfd *ignore_bfd; | |
110 | char **error_message; | |
111 | { | |
112 | /* This item has already been relocated correctly, but we may be | |
113 | * able to patch in yet better code - done by digging out the | |
114 | * correct info on this symbol */ | |
115 | bfd_reloc_status_type result; | |
116 | coff_symbol_type *cs = coffsymbol(symbol_in); | |
117 | ||
118 | /* Don't do anything with symbols which aren't tied up yet, | |
119 | except move the reloc. */ | |
120 | if (bfd_is_und_section (cs->symbol.section)) { | |
121 | reloc_entry->address += input_section->output_offset; | |
122 | return bfd_reloc_ok; | |
123 | } | |
124 | ||
125 | /* So the target symbol has to be of coff type, and the symbol | |
126 | has to have the correct native information within it */ | |
127 | if ((bfd_asymbol_flavour(&cs->symbol) != bfd_target_coff_flavour) | |
128 | || (cs->native == (combined_entry_type *)NULL)) | |
129 | { | |
130 | /* This is interesting, consider the case where we're outputting coff | |
131 | from a mix n match input, linking from coff to a symbol defined in a | |
132 | bout file will cause this match to be true. Should I complain? This | |
133 | will only work if the bout symbol is non leaf. */ | |
134 | *error_message = | |
135 | (char *) _("uncertain calling convention for non-COFF symbol"); | |
136 | result = bfd_reloc_dangerous; | |
137 | } | |
138 | else | |
139 | { | |
140 | switch (cs->native->u.syment.n_sclass) | |
141 | { | |
142 | case C_LEAFSTAT: | |
143 | case C_LEAFEXT: | |
144 | /* This is a call to a leaf procedure, replace instruction with a bal | |
145 | to the correct location. */ | |
146 | { | |
147 | union internal_auxent *aux = &((cs->native+2)->u.auxent); | |
148 | int word = bfd_get_32(abfd, (bfd_byte *)data + reloc_entry->address); | |
149 | int olf = (aux->x_bal.x_balntry - cs->native->u.syment.n_value); | |
150 | BFD_ASSERT(cs->native->u.syment.n_numaux==2); | |
151 | ||
152 | /* We replace the original call instruction with a bal to | |
153 | the bal entry point - the offset of which is described in | |
154 | the 2nd auxent of the original symbol. We keep the native | |
155 | sym and auxents untouched, so the delta between the two | |
156 | is the offset of the bal entry point. */ | |
157 | word = ((word + olf) & BAL_MASK) | BAL; | |
158 | bfd_put_32(abfd, word, (bfd_byte *) data + reloc_entry->address); | |
159 | } | |
160 | result = bfd_reloc_ok; | |
161 | break; | |
162 | case C_SCALL: | |
163 | /* This is a call to a system call, replace with a calls to # */ | |
164 | BFD_ASSERT(0); | |
165 | result = bfd_reloc_ok; | |
166 | break; | |
167 | default: | |
168 | result = bfd_reloc_ok; | |
169 | break; | |
170 | } | |
171 | } | |
172 | return result; | |
173 | } | |
174 | ||
175 | /* i960 COFF is used by VxWorks 5.1. However, VxWorks 5.1 does not | |
176 | appear to correctly handle a reloc against a symbol defined in the | |
177 | same object file. It appears to simply discard such relocs, rather | |
178 | than adding their values into the object file. We handle this here | |
179 | by converting all relocs against defined symbols into relocs | |
180 | against the section symbol, when generating a relocateable output | |
181 | file. | |
182 | ||
183 | Note that this function is only called if we are not using the COFF | |
184 | specific backend linker. It only does something when doing a | |
185 | relocateable link, which will almost certainly fail when not | |
186 | generating COFF i960 output, so this function is actually no longer | |
187 | useful. It was used before this target was converted to use the | |
188 | COFF specific backend linker. */ | |
189 | ||
190 | static bfd_reloc_status_type | |
191 | coff_i960_relocate (abfd, reloc_entry, symbol, data, input_section, | |
192 | output_bfd, error_message) | |
193 | bfd *abfd; | |
194 | arelent *reloc_entry; | |
195 | asymbol *symbol; | |
196 | PTR data; | |
197 | asection *input_section; | |
198 | bfd *output_bfd; | |
199 | char **error_message; | |
200 | { | |
201 | asection *osec; | |
202 | ||
203 | if (output_bfd == NULL) | |
204 | { | |
205 | /* Not generating relocateable output file. */ | |
206 | return bfd_reloc_continue; | |
207 | } | |
208 | ||
209 | if (bfd_is_und_section (bfd_get_section (symbol))) | |
210 | { | |
211 | /* Symbol is not defined, so no need to worry about it. */ | |
212 | return bfd_reloc_continue; | |
213 | } | |
214 | ||
215 | if (bfd_is_com_section (bfd_get_section (symbol))) | |
216 | { | |
217 | /* I don't really know what the right action is for a common | |
218 | symbol. */ | |
219 | return bfd_reloc_continue; | |
220 | } | |
221 | ||
222 | /* Convert the reloc to use the section symbol. FIXME: This method | |
223 | is ridiculous. */ | |
224 | osec = bfd_get_section (symbol)->output_section; | |
225 | if (coff_section_data (output_bfd, osec) != NULL | |
226 | && coff_section_data (output_bfd, osec)->tdata != NULL) | |
227 | reloc_entry->sym_ptr_ptr = | |
228 | (asymbol **) coff_section_data (output_bfd, osec)->tdata; | |
229 | else | |
230 | { | |
231 | const char *sec_name; | |
232 | asymbol **syms, **sym_end; | |
233 | ||
234 | sec_name = bfd_get_section_name (output_bfd, osec); | |
235 | syms = bfd_get_outsymbols (output_bfd); | |
236 | sym_end = syms + bfd_get_symcount (output_bfd); | |
237 | for (; syms < sym_end; syms++) | |
238 | { | |
239 | if (bfd_asymbol_name (*syms) != NULL | |
240 | && (*syms)->value == 0 | |
241 | && strcmp ((*syms)->section->output_section->name, | |
242 | sec_name) == 0) | |
243 | break; | |
244 | } | |
245 | ||
246 | if (syms >= sym_end) | |
247 | abort (); | |
248 | ||
249 | reloc_entry->sym_ptr_ptr = syms; | |
250 | ||
251 | if (coff_section_data (output_bfd, osec) == NULL) | |
252 | { | |
253 | osec->used_by_bfd = | |
254 | ((PTR) bfd_zalloc (abfd, | |
255 | sizeof (struct coff_section_tdata))); | |
256 | if (osec->used_by_bfd == NULL) | |
257 | return bfd_reloc_overflow; | |
258 | } | |
259 | coff_section_data (output_bfd, osec)->tdata = (PTR) syms; | |
260 | } | |
261 | ||
262 | /* Let bfd_perform_relocation do its thing, which will include | |
263 | stuffing the symbol addend into the object file. */ | |
264 | return bfd_reloc_continue; | |
265 | } | |
266 | ||
267 | static reloc_howto_type howto_rellong = | |
268 | HOWTO ((unsigned int) R_RELLONG, 0, 2, 32,false, 0, | |
269 | complain_overflow_bitfield, coff_i960_relocate,"rellong", true, | |
270 | 0xffffffff, 0xffffffff, 0); | |
271 | static reloc_howto_type howto_iprmed = | |
272 | HOWTO (R_IPRMED, 0, 2, 24,true,0, complain_overflow_signed, | |
273 | coff_i960_relocate, "iprmed ", true, 0x00ffffff, 0x00ffffff, 0); | |
274 | static reloc_howto_type howto_optcall = | |
275 | HOWTO (R_OPTCALL, 0,2,24,true,0, complain_overflow_signed, | |
276 | optcall_callback, "optcall", true, 0x00ffffff, 0x00ffffff, 0); | |
277 | ||
278 | static reloc_howto_type * | |
279 | coff_i960_reloc_type_lookup (abfd, code) | |
280 | bfd *abfd; | |
281 | bfd_reloc_code_real_type code; | |
282 | { | |
283 | switch (code) | |
284 | { | |
285 | default: | |
286 | return 0; | |
287 | case BFD_RELOC_I960_CALLJ: | |
288 | return &howto_optcall; | |
289 | case BFD_RELOC_32: | |
290 | case BFD_RELOC_CTOR: | |
291 | return &howto_rellong; | |
292 | case BFD_RELOC_24_PCREL: | |
293 | return &howto_iprmed; | |
294 | } | |
295 | } | |
296 | ||
297 | /* The real code is in coffcode.h */ | |
298 | ||
299 | #define RTYPE2HOWTO(cache_ptr, dst) \ | |
300 | { \ | |
301 | reloc_howto_type *howto_ptr; \ | |
302 | switch ((dst)->r_type) { \ | |
303 | case 17: howto_ptr = &howto_rellong; break; \ | |
304 | case 25: howto_ptr = &howto_iprmed; break; \ | |
305 | case 27: howto_ptr = &howto_optcall; break; \ | |
306 | default: howto_ptr = 0; break; \ | |
307 | } \ | |
308 | (cache_ptr)->howto = howto_ptr; \ | |
309 | } | |
310 | ||
311 | /* i960 COFF is used by VxWorks 5.1. However, VxWorks 5.1 does not | |
312 | appear to correctly handle a reloc against a symbol defined in the | |
313 | same object file. It appears to simply discard such relocs, rather | |
314 | than adding their values into the object file. We handle this by | |
315 | converting all relocs against global symbols into relocs against | |
316 | internal symbols at the start of the section. This routine is | |
317 | called at the start of the linking process, and it creates the | |
318 | necessary symbols. */ | |
319 | ||
320 | static boolean | |
321 | coff_i960_start_final_link (abfd, info) | |
322 | bfd *abfd; | |
323 | struct bfd_link_info *info; | |
324 | { | |
325 | bfd_size_type symesz = bfd_coff_symesz (abfd); | |
326 | asection *o; | |
327 | bfd_byte *esym; | |
328 | ||
329 | if (! info->relocateable) | |
330 | return true; | |
331 | ||
332 | esym = (bfd_byte *) bfd_malloc (symesz); | |
333 | if (esym == NULL) | |
334 | return false; | |
335 | ||
336 | if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0) | |
337 | return false; | |
338 | ||
339 | for (o = abfd->sections; o != NULL; o = o->next) | |
340 | { | |
341 | struct internal_syment isym; | |
342 | ||
343 | strncpy (isym._n._n_name, o->name, SYMNMLEN); | |
344 | isym.n_value = 0; | |
345 | isym.n_scnum = o->target_index; | |
346 | isym.n_type = T_NULL; | |
347 | isym.n_sclass = C_STAT; | |
348 | isym.n_numaux = 0; | |
349 | ||
350 | bfd_coff_swap_sym_out (abfd, (PTR) &isym, (PTR) esym); | |
351 | ||
352 | if (bfd_write (esym, symesz, 1, abfd) != symesz) | |
353 | { | |
354 | free (esym); | |
355 | return false; | |
356 | } | |
357 | ||
358 | obj_raw_syment_count (abfd) += 1; | |
359 | } | |
360 | ||
361 | free (esym); | |
362 | ||
363 | return true; | |
364 | } | |
365 | ||
366 | /* The reloc processing routine for the optimized COFF linker. */ | |
367 | ||
368 | static boolean | |
369 | coff_i960_relocate_section (output_bfd, info, input_bfd, input_section, | |
370 | contents, relocs, syms, sections) | |
371 | bfd *output_bfd; | |
372 | struct bfd_link_info *info; | |
373 | bfd *input_bfd; | |
374 | asection *input_section; | |
375 | bfd_byte *contents; | |
376 | struct internal_reloc *relocs; | |
377 | struct internal_syment *syms; | |
378 | asection **sections; | |
379 | { | |
380 | struct internal_reloc *rel; | |
381 | struct internal_reloc *relend; | |
382 | ||
383 | rel = relocs; | |
384 | relend = rel + input_section->reloc_count; | |
385 | for (; rel < relend; rel++) | |
386 | { | |
387 | long symndx; | |
388 | struct coff_link_hash_entry *h; | |
389 | struct internal_syment *sym; | |
390 | bfd_vma addend; | |
391 | bfd_vma val; | |
392 | reloc_howto_type *howto; | |
393 | bfd_reloc_status_type rstat = bfd_reloc_ok; | |
394 | boolean done; | |
395 | ||
396 | symndx = rel->r_symndx; | |
397 | ||
398 | if (symndx == -1) | |
399 | { | |
400 | h = NULL; | |
401 | sym = NULL; | |
402 | } | |
403 | else | |
404 | { | |
405 | h = obj_coff_sym_hashes (input_bfd)[symndx]; | |
406 | sym = syms + symndx; | |
407 | } | |
408 | ||
409 | if (sym != NULL && sym->n_scnum != 0) | |
410 | addend = - sym->n_value; | |
411 | else | |
412 | addend = 0; | |
413 | ||
414 | switch (rel->r_type) | |
415 | { | |
416 | case 17: howto = &howto_rellong; break; | |
417 | case 25: howto = &howto_iprmed; break; | |
418 | case 27: howto = &howto_optcall; break; | |
419 | default: | |
420 | bfd_set_error (bfd_error_bad_value); | |
421 | return false; | |
422 | } | |
423 | ||
424 | val = 0; | |
425 | ||
426 | if (h == NULL) | |
427 | { | |
428 | asection *sec; | |
429 | ||
430 | if (symndx == -1) | |
431 | { | |
432 | sec = bfd_abs_section_ptr; | |
433 | val = 0; | |
434 | } | |
435 | else | |
436 | { | |
437 | sec = sections[symndx]; | |
438 | val = (sec->output_section->vma | |
439 | + sec->output_offset | |
440 | + sym->n_value | |
441 | - sec->vma); | |
442 | } | |
443 | } | |
444 | else | |
445 | { | |
446 | if (h->root.type == bfd_link_hash_defined | |
447 | || h->root.type == bfd_link_hash_defweak) | |
448 | { | |
449 | asection *sec; | |
450 | ||
451 | sec = h->root.u.def.section; | |
452 | val = (h->root.u.def.value | |
453 | + sec->output_section->vma | |
454 | + sec->output_offset); | |
455 | } | |
456 | else if (! info->relocateable) | |
457 | { | |
458 | if (! ((*info->callbacks->undefined_symbol) | |
459 | (info, h->root.root.string, input_bfd, input_section, | |
460 | rel->r_vaddr - input_section->vma))) | |
461 | return false; | |
462 | } | |
463 | } | |
464 | ||
465 | done = false; | |
466 | ||
467 | if (howto->type == R_OPTCALL && ! info->relocateable && symndx != -1) | |
468 | { | |
469 | int class; | |
470 | ||
471 | if (h != NULL) | |
472 | class = h->class; | |
473 | else | |
474 | class = sym->n_sclass; | |
475 | ||
476 | switch (class) | |
477 | { | |
478 | case C_NULL: | |
479 | /* This symbol is apparently not from a COFF input file. | |
480 | We warn, and then assume that it is not a leaf | |
481 | function. */ | |
482 | if (! ((*info->callbacks->reloc_dangerous) | |
483 | (info, | |
484 | _("uncertain calling convention for non-COFF symbol"), | |
485 | input_bfd, input_section, | |
486 | rel->r_vaddr - input_section->vma))) | |
487 | return false; | |
488 | break; | |
489 | case C_LEAFSTAT: | |
490 | case C_LEAFEXT: | |
491 | /* This is a call to a leaf procedure; use the bal | |
492 | instruction. */ | |
493 | { | |
494 | long olf; | |
495 | unsigned long word; | |
496 | ||
497 | if (h != NULL) | |
498 | { | |
499 | BFD_ASSERT (h->numaux == 2); | |
500 | olf = h->aux[1].x_bal.x_balntry; | |
501 | } | |
502 | else | |
503 | { | |
504 | bfd_byte *esyms; | |
505 | union internal_auxent aux; | |
506 | ||
507 | BFD_ASSERT (sym->n_numaux == 2); | |
508 | esyms = (bfd_byte *) obj_coff_external_syms (input_bfd); | |
509 | esyms += (symndx + 2) * bfd_coff_symesz (input_bfd); | |
510 | bfd_coff_swap_aux_in (input_bfd, (PTR) esyms, sym->n_type, | |
511 | sym->n_sclass, 1, sym->n_numaux, | |
512 | (PTR) &aux); | |
513 | olf = aux.x_bal.x_balntry; | |
514 | } | |
515 | ||
516 | word = bfd_get_32 (input_bfd, | |
517 | (contents | |
518 | + (rel->r_vaddr - input_section->vma))); | |
519 | word = ((word + olf - val) & BAL_MASK) | BAL; | |
520 | bfd_put_32 (input_bfd, | |
521 | word, | |
522 | (contents | |
523 | + (rel->r_vaddr - input_section->vma))); | |
524 | done = true; | |
525 | } | |
526 | break; | |
527 | case C_SCALL: | |
528 | BFD_ASSERT (0); | |
529 | break; | |
530 | } | |
531 | } | |
532 | ||
533 | if (! done) | |
534 | { | |
535 | if (howto->pc_relative) | |
536 | addend += input_section->vma; | |
537 | rstat = _bfd_final_link_relocate (howto, input_bfd, input_section, | |
538 | contents, | |
539 | rel->r_vaddr - input_section->vma, | |
540 | val, addend); | |
541 | } | |
542 | ||
543 | switch (rstat) | |
544 | { | |
545 | default: | |
546 | abort (); | |
547 | case bfd_reloc_ok: | |
548 | break; | |
549 | case bfd_reloc_overflow: | |
550 | { | |
551 | const char *name; | |
552 | char buf[SYMNMLEN + 1]; | |
553 | ||
554 | if (symndx == -1) | |
555 | name = "*ABS*"; | |
556 | else if (h != NULL) | |
557 | name = h->root.root.string; | |
558 | else | |
559 | { | |
560 | name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); | |
561 | if (name == NULL) | |
562 | return false; | |
563 | } | |
564 | ||
565 | if (! ((*info->callbacks->reloc_overflow) | |
566 | (info, name, howto->name, (bfd_vma) 0, input_bfd, | |
567 | input_section, rel->r_vaddr - input_section->vma))) | |
568 | return false; | |
569 | } | |
570 | } | |
571 | } | |
572 | ||
573 | return true; | |
574 | } | |
575 | ||
576 | /* Adjust the symbol index of any reloc against a global symbol to | |
577 | instead be a reloc against the internal symbol we created specially | |
578 | for the section. */ | |
579 | ||
580 | /*ARGSUSED*/ | |
581 | static boolean | |
582 | coff_i960_adjust_symndx (obfd, info, ibfd, sec, irel, adjustedp) | |
583 | bfd *obfd; | |
584 | struct bfd_link_info *info; | |
585 | bfd *ibfd; | |
586 | asection *sec; | |
587 | struct internal_reloc *irel; | |
588 | boolean *adjustedp; | |
589 | { | |
590 | struct coff_link_hash_entry *h; | |
591 | ||
592 | *adjustedp = false; | |
593 | ||
594 | h = obj_coff_sym_hashes (ibfd)[irel->r_symndx]; | |
595 | if (h == NULL | |
596 | || (h->root.type != bfd_link_hash_defined | |
597 | && h->root.type != bfd_link_hash_defweak)) | |
598 | return true; | |
599 | ||
600 | irel->r_symndx = h->root.u.def.section->output_section->target_index - 1; | |
601 | *adjustedp = true; | |
602 | ||
603 | return true; | |
604 | } | |
605 | ||
606 | #define coff_bfd_is_local_label_name coff_i960_is_local_label_name | |
607 | ||
608 | #define coff_start_final_link coff_i960_start_final_link | |
609 | ||
610 | #define coff_relocate_section coff_i960_relocate_section | |
611 | ||
612 | #define coff_adjust_symndx coff_i960_adjust_symndx | |
613 | ||
614 | #define coff_bfd_reloc_type_lookup coff_i960_reloc_type_lookup | |
615 | ||
616 | #include "coffcode.h" | |
617 | ||
618 | const bfd_target icoff_little_vec = | |
619 | { | |
620 | "coff-Intel-little", /* name */ | |
621 | bfd_target_coff_flavour, | |
622 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
623 | BFD_ENDIAN_LITTLE, /* header byte order is little */ | |
624 | ||
625 | (HAS_RELOC | EXEC_P | /* object flags */ | |
626 | HAS_LINENO | HAS_DEBUG | | |
627 | HAS_SYMS | HAS_LOCALS | WP_TEXT), | |
628 | ||
629 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ | |
630 | '_', /* leading underscore */ | |
631 | '/', /* ar_pad_char */ | |
632 | 15, /* ar_max_namelen */ | |
633 | ||
634 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
635 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
636 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
637 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
638 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
639 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ | |
640 | ||
641 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
642 | bfd_generic_archive_p, _bfd_dummy_target}, | |
643 | {bfd_false, coff_mkobject, /* bfd_set_format */ | |
644 | _bfd_generic_mkarchive, bfd_false}, | |
645 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ | |
646 | _bfd_write_archive_contents, bfd_false}, | |
647 | ||
648 | BFD_JUMP_TABLE_GENERIC (coff), | |
649 | BFD_JUMP_TABLE_COPY (coff), | |
650 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
651 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
652 | BFD_JUMP_TABLE_SYMBOLS (coff), | |
653 | BFD_JUMP_TABLE_RELOCS (coff), | |
654 | BFD_JUMP_TABLE_WRITE (coff), | |
655 | BFD_JUMP_TABLE_LINK (coff), | |
656 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
657 | ||
658 | COFF_SWAP_TABLE, | |
659 | }; | |
660 | ||
661 | ||
662 | const bfd_target icoff_big_vec = | |
663 | { | |
664 | "coff-Intel-big", /* name */ | |
665 | bfd_target_coff_flavour, | |
666 | BFD_ENDIAN_LITTLE, /* data byte order is little */ | |
667 | BFD_ENDIAN_BIG, /* header byte order is big */ | |
668 | ||
669 | (HAS_RELOC | EXEC_P | /* object flags */ | |
670 | HAS_LINENO | HAS_DEBUG | | |
671 | HAS_SYMS | HAS_LOCALS | WP_TEXT), | |
672 | ||
673 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ | |
674 | '_', /* leading underscore */ | |
675 | '/', /* ar_pad_char */ | |
676 | 15, /* ar_max_namelen */ | |
677 | ||
678 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, | |
679 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, | |
680 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ | |
681 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, | |
682 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, | |
683 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ | |
684 | ||
685 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ | |
686 | bfd_generic_archive_p, _bfd_dummy_target}, | |
687 | {bfd_false, coff_mkobject, /* bfd_set_format */ | |
688 | _bfd_generic_mkarchive, bfd_false}, | |
689 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ | |
690 | _bfd_write_archive_contents, bfd_false}, | |
691 | ||
692 | BFD_JUMP_TABLE_GENERIC (coff), | |
693 | BFD_JUMP_TABLE_COPY (coff), | |
694 | BFD_JUMP_TABLE_CORE (_bfd_nocore), | |
695 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), | |
696 | BFD_JUMP_TABLE_SYMBOLS (coff), | |
697 | BFD_JUMP_TABLE_RELOCS (coff), | |
698 | BFD_JUMP_TABLE_WRITE (coff), | |
699 | BFD_JUMP_TABLE_LINK (coff), | |
700 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), | |
701 | ||
702 | COFF_SWAP_TABLE, | |
703 | }; |