Whitespace fix in gdb.base/skip.exp
[deliverable/binutils-gdb.git] / bfd / coff-i386.c
CommitLineData
252b5132 1/* BFD back-end for Intel 386 COFF files.
82704155 2 Copyright (C) 1990-2019 Free Software Foundation, Inc.
252b5132
RH
3 Written by Cygnus Support.
4
977cdf5a 5 This file is part of BFD, the Binary File Descriptor library.
252b5132 6
977cdf5a
NC
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
cd123cb7 9 the Free Software Foundation; either version 3 of the License, or
977cdf5a 10 (at your option) any later version.
252b5132 11
977cdf5a
NC
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.
252b5132 16
977cdf5a
NC
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
cd123cb7
NC
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
252b5132 21
252b5132 22#include "sysdep.h"
3db64b00 23#include "bfd.h"
252b5132
RH
24#include "libbfd.h"
25
26#include "coff/i386.h"
27
28#include "coff/internal.h"
29
30#ifdef COFF_WITH_PE
31#include "coff/pe.h"
32#endif
33
34#ifdef COFF_GO32_EXE
35#include "coff/go32exe.h"
36#endif
37
2b5c217d
NC
38#ifndef bfd_pe_print_pdata
39#define bfd_pe_print_pdata NULL
40#endif
41
252b5132
RH
42#include "libcoff.h"
43
bb294208
AM
44/* All users of this file have bfd_octets_per_byte (abfd, sec) == 1. */
45#define OCTETS_PER_BYTE(ABFD, SEC) 1
46
252b5132 47static reloc_howto_type *coff_i386_rtype_to_howto
e05da72d
NC
48 (bfd *, asection *, struct internal_reloc *,
49 struct coff_link_hash_entry *, struct internal_syment *,
50 bfd_vma *);
00692651 51static reloc_howto_type *coff_i386_reloc_type_lookup
e05da72d 52 (bfd *, bfd_reloc_code_real_type);
252b5132
RH
53
54#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2)
55/* The page size is a guess based on ELF. */
56
57#define COFF_PAGE_SIZE 0x1000
58
59/* For some reason when using i386 COFF the value stored in the .text
60 section for a reference to a common symbol is the value itself plus
61 any desired offset. Ian Taylor, Cygnus Support. */
62
1049f94e 63/* If we are producing relocatable output, we need to do some
252b5132
RH
64 adjustments to the object file that are not done by the
65 bfd_perform_relocation function. This function is called by every
66 reloc type to make any required adjustments. */
67
68static bfd_reloc_status_type
2c3fc389
NC
69coff_i386_reloc (bfd *abfd,
70 arelent *reloc_entry,
71 asymbol *symbol,
72 void * data,
bb294208 73 asection *input_section,
2c3fc389
NC
74 bfd *output_bfd,
75 char **error_message ATTRIBUTE_UNUSED)
252b5132
RH
76{
77 symvalue diff;
78
689be717 79#ifndef COFF_WITH_PE
252b5132
RH
80 if (output_bfd == (bfd *) NULL)
81 return bfd_reloc_continue;
689be717 82#endif
252b5132
RH
83
84 if (bfd_is_com_section (symbol->section))
85 {
86#ifndef COFF_WITH_PE
87 /* We are relocating a common symbol. The current value in the
88 object file is ORIG + OFFSET, where ORIG is the value of the
89 common symbol as seen by the object file when it was compiled
90 (this may be zero if the symbol was undefined) and OFFSET is
91 the offset into the common symbol (normally zero, but may be
92 non-zero when referring to a field in a common structure).
93 ORIG is the negative of reloc_entry->addend, which is set by
94 the CALC_ADDEND macro below. We want to replace the value in
95 the object file with NEW + OFFSET, where NEW is the value of
96 the common symbol which we are going to put in the final
97 object file. NEW is symbol->value. */
98 diff = symbol->value + reloc_entry->addend;
99#else
100 /* In PE mode, we do not offset the common symbol. */
101 diff = reloc_entry->addend;
102#endif
103 }
104 else
105 {
106 /* For some reason bfd_perform_relocation always effectively
107 ignores the addend for a COFF target when producing
1049f94e 108 relocatable output. This seems to be always wrong for 386
252b5132 109 COFF, so we handle the addend here instead. */
689be717
L
110#ifdef COFF_WITH_PE
111 if (output_bfd == (bfd *) NULL)
112 {
113 reloc_howto_type *howto = reloc_entry->howto;
114
115 /* Although PC relative relocations are very similar between
116 PE and non-PE formats, but they are off by 1 << howto->size
117 bytes. For the external relocation, PE is very different
118 from others. See md_apply_fix3 () in gas/config/tc-i386.c.
119 When we link PE and non-PE object files together to
120 generate a non-PE executable, we have to compensate it
121 here. */
82e51918 122 if (howto->pc_relative && howto->pcrel_offset)
689be717 123 diff = -(1 << howto->size);
977cdf5a
NC
124 else if (symbol->flags & BSF_WEAK)
125 diff = reloc_entry->addend - symbol->value;
689be717
L
126 else
127 diff = -reloc_entry->addend;
128 }
129 else
130#endif
131 diff = reloc_entry->addend;
252b5132
RH
132 }
133
134#ifdef COFF_WITH_PE
135 /* FIXME: How should this case be handled? */
8e191bd3
ILT
136 if (reloc_entry->howto->type == R_IMAGEBASE
137 && output_bfd != NULL
138 && bfd_get_flavour(output_bfd) == bfd_target_coff_flavour)
00692651 139 diff -= pe_data (output_bfd)->pe_opthdr.ImageBase;
252b5132
RH
140#endif
141
142#define DOIT(x) \
143 x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
144
ec70be9f
NC
145 if (diff != 0)
146 {
147 reloc_howto_type *howto = reloc_entry->howto;
bb294208
AM
148 bfd_size_type octets = (reloc_entry->address
149 * OCTETS_PER_BYTE (abfd, input_section));
150 unsigned char *addr = (unsigned char *) data + octets;
ec70be9f 151
bb294208 152 if (!bfd_reloc_offset_in_range (howto, abfd, input_section, octets))
b23dc97f
NC
153 return bfd_reloc_outofrange;
154
ec70be9f
NC
155 switch (howto->size)
156 {
157 case 0:
158 {
159 char x = bfd_get_8 (abfd, addr);
160 DOIT (x);
161 bfd_put_8 (abfd, x, addr);
162 }
163 break;
252b5132 164
ec70be9f 165 case 1:
252b5132 166 {
ec70be9f
NC
167 short x = bfd_get_16 (abfd, addr);
168 DOIT (x);
169 bfd_put_16 (abfd, (bfd_vma) x, addr);
252b5132 170 }
ec70be9f
NC
171 break;
172
173 case 2:
174 {
175 long x = bfd_get_32 (abfd, addr);
176 DOIT (x);
177 bfd_put_32 (abfd, (bfd_vma) x, addr);
178 }
179 break;
180
181 default:
182 abort ();
183 }
184 }
252b5132
RH
185
186 /* Now let bfd_perform_relocation finish everything up. */
187 return bfd_reloc_continue;
188}
189
190#ifdef COFF_WITH_PE
b34976b6 191/* Return TRUE if this relocation should appear in the output .reloc
6fb72d08
ILT
192 section. */
193
2c3fc389
NC
194static bfd_boolean in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
195 reloc_howto_type *howto)
252b5132 196{
b706dc83
KT
197 return ! howto->pc_relative && howto->type != R_IMAGEBASE
198 && howto->type != R_SECREL32;
b7be1db6 199}
6fb72d08 200#endif /* COFF_WITH_PE */
252b5132
RH
201
202#ifndef PCRELOFFSET
b34976b6 203#define PCRELOFFSET FALSE
252b5132
RH
204#endif
205
b7be1db6 206static reloc_howto_type howto_table[] =
252b5132 207{
5f771d47
ILT
208 EMPTY_HOWTO (0),
209 EMPTY_HOWTO (1),
210 EMPTY_HOWTO (2),
211 EMPTY_HOWTO (3),
212 EMPTY_HOWTO (4),
213 EMPTY_HOWTO (5),
b7be1db6
AM
214 HOWTO (R_DIR32, /* type */
215 0, /* rightshift */
216 2, /* size (0 = byte, 1 = short, 2 = long) */
217 32, /* bitsize */
b34976b6 218 FALSE, /* pc_relative */
b7be1db6 219 0, /* bitpos */
252b5132 220 complain_overflow_bitfield, /* complain_on_overflow */
b7be1db6
AM
221 coff_i386_reloc, /* special_function */
222 "dir32", /* name */
b34976b6 223 TRUE, /* partial_inplace */
b7be1db6
AM
224 0xffffffff, /* src_mask */
225 0xffffffff, /* dst_mask */
b34976b6 226 TRUE), /* pcrel_offset */
b7be1db6
AM
227 /* PE IMAGE_REL_I386_DIR32NB relocation (7). */
228 HOWTO (R_IMAGEBASE, /* type */
229 0, /* rightshift */
230 2, /* size (0 = byte, 1 = short, 2 = long) */
231 32, /* bitsize */
b34976b6 232 FALSE, /* pc_relative */
b7be1db6 233 0, /* bitpos */
252b5132 234 complain_overflow_bitfield, /* complain_on_overflow */
b7be1db6
AM
235 coff_i386_reloc, /* special_function */
236 "rva32", /* name */
b34976b6 237 TRUE, /* partial_inplace */
b7be1db6
AM
238 0xffffffff, /* src_mask */
239 0xffffffff, /* dst_mask */
b34976b6 240 FALSE), /* pcrel_offset */
5f771d47
ILT
241 EMPTY_HOWTO (010),
242 EMPTY_HOWTO (011),
243 EMPTY_HOWTO (012),
6482c264
NC
244#ifdef COFF_WITH_PE
245 /* 32-bit longword section relative relocation (013). */
246 HOWTO (R_SECREL32, /* type */
247 0, /* rightshift */
248 2, /* size (0 = byte, 1 = short, 2 = long) */
249 32, /* bitsize */
250 FALSE, /* pc_relative */
251 0, /* bitpos */
252 complain_overflow_bitfield, /* complain_on_overflow */
253 coff_i386_reloc, /* special_function */
254 "secrel32", /* name */
255 TRUE, /* partial_inplace */
256 0xffffffff, /* src_mask */
257 0xffffffff, /* dst_mask */
258 TRUE), /* pcrel_offset */
259#else
5f771d47 260 EMPTY_HOWTO (013),
6482c264 261#endif
5f771d47
ILT
262 EMPTY_HOWTO (014),
263 EMPTY_HOWTO (015),
264 EMPTY_HOWTO (016),
00692651
ILT
265 /* Byte relocation (017). */
266 HOWTO (R_RELBYTE, /* type */
b7be1db6
AM
267 0, /* rightshift */
268 0, /* size (0 = byte, 1 = short, 2 = long) */
269 8, /* bitsize */
b34976b6 270 FALSE, /* pc_relative */
b7be1db6 271 0, /* bitpos */
252b5132 272 complain_overflow_bitfield, /* complain_on_overflow */
b7be1db6
AM
273 coff_i386_reloc, /* special_function */
274 "8", /* name */
b34976b6 275 TRUE, /* partial_inplace */
b7be1db6
AM
276 0x000000ff, /* src_mask */
277 0x000000ff, /* dst_mask */
252b5132 278 PCRELOFFSET), /* pcrel_offset */
00692651 279 /* 16-bit word relocation (020). */
b7be1db6
AM
280 HOWTO (R_RELWORD, /* type */
281 0, /* rightshift */
282 1, /* size (0 = byte, 1 = short, 2 = long) */
283 16, /* bitsize */
b34976b6 284 FALSE, /* pc_relative */
b7be1db6 285 0, /* bitpos */
252b5132 286 complain_overflow_bitfield, /* complain_on_overflow */
b7be1db6
AM
287 coff_i386_reloc, /* special_function */
288 "16", /* name */
b34976b6 289 TRUE, /* partial_inplace */
b7be1db6
AM
290 0x0000ffff, /* src_mask */
291 0x0000ffff, /* dst_mask */
252b5132 292 PCRELOFFSET), /* pcrel_offset */
b7be1db6
AM
293 /* 32-bit longword relocation (021). */
294 HOWTO (R_RELLONG, /* type */
295 0, /* rightshift */
296 2, /* size (0 = byte, 1 = short, 2 = long) */
297 32, /* bitsize */
b34976b6 298 FALSE, /* pc_relative */
b7be1db6 299 0, /* bitpos */
252b5132 300 complain_overflow_bitfield, /* complain_on_overflow */
b7be1db6
AM
301 coff_i386_reloc, /* special_function */
302 "32", /* name */
b34976b6 303 TRUE, /* partial_inplace */
b7be1db6
AM
304 0xffffffff, /* src_mask */
305 0xffffffff, /* dst_mask */
252b5132 306 PCRELOFFSET), /* pcrel_offset */
b7be1db6
AM
307 /* Byte PC relative relocation (022). */
308 HOWTO (R_PCRBYTE, /* type */
309 0, /* rightshift */
310 0, /* size (0 = byte, 1 = short, 2 = long) */
311 8, /* bitsize */
b34976b6 312 TRUE, /* pc_relative */
b7be1db6 313 0, /* bitpos */
252b5132 314 complain_overflow_signed, /* complain_on_overflow */
b7be1db6
AM
315 coff_i386_reloc, /* special_function */
316 "DISP8", /* name */
b34976b6 317 TRUE, /* partial_inplace */
b7be1db6
AM
318 0x000000ff, /* src_mask */
319 0x000000ff, /* dst_mask */
252b5132 320 PCRELOFFSET), /* pcrel_offset */
b7be1db6
AM
321 /* 16-bit word PC relative relocation (023). */
322 HOWTO (R_PCRWORD, /* type */
323 0, /* rightshift */
324 1, /* size (0 = byte, 1 = short, 2 = long) */
325 16, /* bitsize */
b34976b6 326 TRUE, /* pc_relative */
b7be1db6 327 0, /* bitpos */
252b5132 328 complain_overflow_signed, /* complain_on_overflow */
b7be1db6
AM
329 coff_i386_reloc, /* special_function */
330 "DISP16", /* name */
b34976b6 331 TRUE, /* partial_inplace */
b7be1db6
AM
332 0x0000ffff, /* src_mask */
333 0x0000ffff, /* dst_mask */
252b5132 334 PCRELOFFSET), /* pcrel_offset */
00692651 335 /* 32-bit longword PC relative relocation (024). */
b7be1db6
AM
336 HOWTO (R_PCRLONG, /* type */
337 0, /* rightshift */
338 2, /* size (0 = byte, 1 = short, 2 = long) */
339 32, /* bitsize */
b34976b6 340 TRUE, /* pc_relative */
b7be1db6 341 0, /* bitpos */
252b5132 342 complain_overflow_signed, /* complain_on_overflow */
b7be1db6
AM
343 coff_i386_reloc, /* special_function */
344 "DISP32", /* name */
b34976b6 345 TRUE, /* partial_inplace */
b7be1db6
AM
346 0xffffffff, /* src_mask */
347 0xffffffff, /* dst_mask */
252b5132
RH
348 PCRELOFFSET) /* pcrel_offset */
349};
350
36e9d67b
NC
351#define NUM_HOWTOS (sizeof (howto_table) / sizeof (howto_table[0]))
352
252b5132
RH
353/* Turn a howto into a reloc nunmber */
354
355#define SELECT_RELOC(x,howto) { x.r_type = howto->type; }
356#define BADMAG(x) I386BADMAG(x)
357#define I386 1 /* Customize coffcode.h */
358
36e9d67b
NC
359#define RTYPE2HOWTO(cache_ptr, dst) \
360 ((cache_ptr)->howto = \
361 ((dst)->r_type < NUM_HOWTOS \
362 ? howto_table + (dst)->r_type \
00692651 363 : NULL))
252b5132
RH
364
365/* For 386 COFF a STYP_NOLOAD | STYP_BSS section is part of a shared
366 library. On some other COFF targets STYP_BSS is normally
367 STYP_NOLOAD. */
368#define BSS_NOLOAD_IS_SHARED_LIBRARY
369
370/* Compute the addend of a reloc. If the reloc is to a common symbol,
371 the object file contains the value of the common symbol. By the
372 time this is called, the linker may be using a different symbol
373 from a different object file with a different value. Therefore, we
374 hack wildly to locate the original symbol from this file so that we
375 can make the correct adjustment. This macro sets coffsym to the
376 symbol from the original file, and uses it to set the addend value
377 correctly. If this is not a common symbol, the usual addend
378 calculation is done, except that an additional tweak is needed for
379 PC relative relocs.
380 FIXME: This macro refers to symbols and asect; these are from the
381 calling function, not the macro arguments. */
382
383#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
384 { \
385 coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \
386 if (ptr && bfd_asymbol_bfd (ptr) != abfd) \
387 coffsym = (obj_symbols (abfd) \
07d6d2b8 388 + (cache_ptr->sym_ptr_ptr - symbols)); \
252b5132 389 else if (ptr) \
f4943d82 390 coffsym = coff_symbol_from (ptr); \
252b5132
RH
391 if (coffsym != (coff_symbol_type *) NULL \
392 && coffsym->native->u.syment.n_scnum == 0) \
393 cache_ptr->addend = - coffsym->native->u.syment.n_value; \
394 else if (ptr && bfd_asymbol_bfd (ptr) == abfd \
395 && ptr->section != (asection *) NULL) \
396 cache_ptr->addend = - (ptr->section->vma + ptr->value); \
397 else \
398 cache_ptr->addend = 0; \
36e9d67b
NC
399 if (ptr && reloc.r_type < NUM_HOWTOS \
400 && howto_table[reloc.r_type].pc_relative) \
252b5132
RH
401 cache_ptr->addend += asect->vma; \
402 }
403
404/* We use the special COFF backend linker. For normal i386 COFF, we
405 can use the generic relocate_section routine. For PE, we need our
406 own routine. */
407
408#ifndef COFF_WITH_PE
409
410#define coff_relocate_section _bfd_coff_generic_relocate_section
411
412#else /* COFF_WITH_PE */
413
414/* The PE relocate section routine. The only difference between this
415 and the regular routine is that we don't want to do anything for a
1049f94e 416 relocatable link. */
252b5132 417
b34976b6 418static bfd_boolean
2c3fc389
NC
419coff_pe_i386_relocate_section (bfd *output_bfd,
420 struct bfd_link_info *info,
421 bfd *input_bfd,
422 asection *input_section,
423 bfd_byte *contents,
424 struct internal_reloc *relocs,
425 struct internal_syment *syms,
426 asection **sections)
252b5132 427{
0e1862bb 428 if (bfd_link_relocatable (info))
b34976b6 429 return TRUE;
252b5132
RH
430
431 return _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd,
432 input_section, contents,
433 relocs, syms, sections);
434}
435
436#define coff_relocate_section coff_pe_i386_relocate_section
437
438#endif /* COFF_WITH_PE */
439
440/* Convert an rtype to howto for the COFF backend linker. */
441
442static reloc_howto_type *
2c3fc389
NC
443coff_i386_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
444 asection *sec,
445 struct internal_reloc *rel,
446 struct coff_link_hash_entry *h,
447 struct internal_syment *sym,
448 bfd_vma *addendp)
252b5132 449{
252b5132
RH
450 reloc_howto_type *howto;
451
36e9d67b 452 if (rel->r_type >= NUM_HOWTOS)
00692651
ILT
453 {
454 bfd_set_error (bfd_error_bad_value);
455 return NULL;
456 }
457
252b5132
RH
458 howto = howto_table + rel->r_type;
459
460#ifdef COFF_WITH_PE
00692651 461 /* Cancel out code in _bfd_coff_generic_relocate_section. */
252b5132
RH
462 *addendp = 0;
463#endif
464
465 if (howto->pc_relative)
466 *addendp += sec->vma;
467
468 if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0)
469 {
470 /* This is a common symbol. The section contents include the
471 size (sym->n_value) as an addend. The relocate_section
472 function will be adding in the final value of the symbol. We
473 need to subtract out the current size in order to get the
474 correct result. */
b7be1db6 475
252b5132
RH
476 BFD_ASSERT (h != NULL);
477
478#ifndef COFF_WITH_PE
479 /* I think we *do* want to bypass this. If we don't, I have
480 seen some data parameters get the wrong relocation address.
481 If I link two versions with and without this section bypassed
482 and then do a binary comparison, the addresses which are
483 different can be looked up in the map. The case in which
484 this section has been bypassed has addresses which correspond
485 to values I can find in the map. */
486 *addendp -= sym->n_value;
487#endif
488 }
489
490#ifndef COFF_WITH_PE
491 /* If the output symbol is common (in which case this must be a
1049f94e 492 relocatable link), we need to add in the final size of the
252b5132 493 common symbol. */
b7be1db6 494 if (h != NULL && h->root.type == bfd_link_hash_common)
252b5132
RH
495 *addendp += h->root.u.c.size;
496#endif
497
498#ifdef COFF_WITH_PE
499 if (howto->pc_relative)
500 {
501 *addendp -= 4;
502
503 /* If the symbol is defined, then the generic code is going to
07d6d2b8
AM
504 add back the symbol value in order to cancel out an
505 adjustment it made to the addend. However, we set the addend
506 to 0 at the start of this function. We need to adjust here,
507 to avoid the adjustment the generic code will make. FIXME:
508 This is getting a bit hackish. */
252b5132
RH
509 if (sym != NULL && sym->n_scnum != 0)
510 *addendp -= sym->n_value;
511 }
512
8e191bd3
ILT
513 if (rel->r_type == R_IMAGEBASE
514 && (bfd_get_flavour(sec->output_section->owner)
515 == bfd_target_coff_flavour))
252b5132
RH
516 {
517 *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
518 }
6482c264 519
a93d5cb1
NC
520 /* PR 17099 - Absolute R_PCRLONG relocations do not need a symbol. */
521 if (rel->r_type == R_PCRLONG && sym == NULL)
522 *addendp -= rel->r_vaddr;
523 else
524 BFD_ASSERT (sym != NULL);
525
507f5898 526 if (rel->r_type == R_SECREL32 && sym != NULL)
6482c264
NC
527 {
528 bfd_vma osect_vma;
529
8a5dcf53
AM
530 if (h && (h->root.type == bfd_link_hash_defined
531 || h->root.type == bfd_link_hash_defweak))
6482c264
NC
532 osect_vma = h->root.u.def.section->output_section->vma;
533 else
534 {
91d6fa6a 535 asection *s;
6482c264
NC
536 int i;
537
538 /* Sigh, the only way to get the section to offset against
539 is to find it the hard way. */
540
91d6fa6a
NC
541 for (s = abfd->sections, i = 1; i < sym->n_scnum; i++)
542 s = s->next;
6482c264 543
91d6fa6a 544 osect_vma = s->output_section->vma;
6482c264
NC
545 }
546
547 *addendp -= osect_vma;
548 }
252b5132
RH
549#endif
550
551 return howto;
552}
553
252b5132 554#define coff_bfd_reloc_type_lookup coff_i386_reloc_type_lookup
157090f7 555#define coff_bfd_reloc_name_lookup coff_i386_reloc_name_lookup
252b5132 556
252b5132 557static reloc_howto_type *
2c3fc389
NC
558coff_i386_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
559 bfd_reloc_code_real_type code)
252b5132
RH
560{
561 switch (code)
562 {
563 case BFD_RELOC_RVA:
b7be1db6 564 return howto_table + R_IMAGEBASE;
252b5132
RH
565 case BFD_RELOC_32:
566 return howto_table + R_DIR32;
567 case BFD_RELOC_32_PCREL:
568 return howto_table + R_PCRLONG;
b7be1db6
AM
569 case BFD_RELOC_16:
570 return howto_table + R_RELWORD;
571 case BFD_RELOC_16_PCREL:
572 return howto_table + R_PCRWORD;
573 case BFD_RELOC_8:
574 return howto_table + R_RELBYTE;
575 case BFD_RELOC_8_PCREL:
576 return howto_table + R_PCRBYTE;
6482c264
NC
577#ifdef COFF_WITH_PE
578 case BFD_RELOC_32_SECREL:
579 return howto_table + R_SECREL32;
580#endif
252b5132
RH
581 default:
582 BFD_FAIL ();
583 return 0;
584 }
585}
586
157090f7
AM
587static reloc_howto_type *
588coff_i386_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
589 const char *r_name)
590{
591 unsigned int i;
592
36e9d67b 593 for (i = 0; i < NUM_HOWTOS; i++)
157090f7
AM
594 if (howto_table[i].name != NULL
595 && strcasecmp (howto_table[i].name, r_name) == 0)
596 return &howto_table[i];
597
598 return NULL;
599}
600
252b5132
RH
601#define coff_rtype_to_howto coff_i386_rtype_to_howto
602
603#ifdef TARGET_UNDERSCORE
604
605/* If i386 gcc uses underscores for symbol names, then it does not use
606 a leading dot for local labels, so if TARGET_UNDERSCORE is defined
607 we treat all symbols starting with L as local. */
608
b34976b6 609static bfd_boolean
2c3fc389 610coff_i386_is_local_label_name (bfd *abfd, const char *name)
252b5132
RH
611{
612 if (name[0] == 'L')
b34976b6 613 return TRUE;
252b5132
RH
614
615 return _bfd_coff_is_local_label_name (abfd, name);
616}
617
618#define coff_bfd_is_local_label_name coff_i386_is_local_label_name
619
620#endif /* TARGET_UNDERSCORE */
621
622#include "coffcode.h"
623
252b5132
RH
624const bfd_target
625#ifdef TARGET_SYM
626 TARGET_SYM =
627#else
6d00b590 628 i386_coff_vec =
252b5132
RH
629#endif
630{
631#ifdef TARGET_NAME
632 TARGET_NAME,
633#else
634 "coff-i386", /* name */
635#endif
636 bfd_target_coff_flavour,
637 BFD_ENDIAN_LITTLE, /* data byte order is little */
638 BFD_ENDIAN_LITTLE, /* header byte order is little */
639
640 (HAS_RELOC | EXEC_P | /* object flags */
641 HAS_LINENO | HAS_DEBUG |
a29a8af8 642 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS ),
252b5132 643
252b5132 644 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
6fb72d08 645#ifdef COFF_WITH_PE
a29a8af8 646 | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
252b5132 647#endif
a29a8af8 648 | SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
252b5132
RH
649
650#ifdef TARGET_UNDERSCORE
651 TARGET_UNDERSCORE, /* leading underscore */
652#else
653 0, /* leading underscore */
654#endif
655 '/', /* ar_pad_char */
656 15, /* ar_max_namelen */
0aabe54e 657 0, /* match priority. */
252b5132
RH
658
659 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
660 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
661 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
662 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
663 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
664 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
665
5fcfd273 666/* Note that we allow an object file to be treated as a core file as well. */
4b24dd1a 667
156f6ad8 668#ifdef COFF_CHECK_FORMAT
d00dd7dc
AM
669 { /* bfd_check_format */
670 _bfd_dummy_target,
671 COFF_CHECK_FORMAT,
672 bfd_generic_archive_p,
673 COFF_CHECK_FORMAT
674 },
156f6ad8 675#else
d00dd7dc
AM
676 {
677 _bfd_dummy_target,
678 coff_object_p,
679 bfd_generic_archive_p,
680 coff_object_p
681 },
156f6ad8 682#endif
d00dd7dc
AM
683 { /* bfd_set_format */
684 _bfd_bool_bfd_false_error,
685 coff_mkobject,
686 _bfd_generic_mkarchive,
687 _bfd_bool_bfd_false_error
688 },
689 { /* bfd_write_contents */
690 _bfd_bool_bfd_false_error,
691 coff_write_object_contents,
692 _bfd_write_archive_contents,
693 _bfd_bool_bfd_false_error
694 },
695
696 BFD_JUMP_TABLE_GENERIC (coff),
697 BFD_JUMP_TABLE_COPY (coff),
698 BFD_JUMP_TABLE_CORE (_bfd_nocore),
699 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
700 BFD_JUMP_TABLE_SYMBOLS (coff),
701 BFD_JUMP_TABLE_RELOCS (coff),
702 BFD_JUMP_TABLE_WRITE (coff),
703 BFD_JUMP_TABLE_LINK (coff),
704 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
252b5132 705
c3c89269 706 NULL,
b7be1db6 707
c3c89269 708 COFF_SWAP_TABLE
252b5132 709};
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