xref: /netbsd-src/external/gpl3/binutils/dist/bfd/coff-i386.c (revision 867d70fc718005c0918b8b8b2f9d7f2d52d0a0db)
1 /* BFD back-end for Intel 386 COFF files.
2    Copyright (C) 1990-2020 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
20    MA 02110-1301, USA.  */
21 
22 #include "sysdep.h"
23 #include "bfd.h"
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 
38 #ifndef bfd_pe_print_pdata
39 #define bfd_pe_print_pdata	NULL
40 #endif
41 
42 #include "libcoff.h"
43 
44 /* All users of this file have bfd_octets_per_byte (abfd, sec) == 1.  */
45 #define OCTETS_PER_BYTE(ABFD, SEC) 1
46 
47 static reloc_howto_type *coff_i386_rtype_to_howto
48   (bfd *, asection *, struct internal_reloc *,
49    struct coff_link_hash_entry *, struct internal_syment *,
50    bfd_vma *);
51 static reloc_howto_type *coff_i386_reloc_type_lookup
52   (bfd *, bfd_reloc_code_real_type);
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 
63 /* If we are producing relocatable output, we need to do some
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 
68 static bfd_reloc_status_type
69 coff_i386_reloc (bfd *abfd,
70 		 arelent *reloc_entry,
71 		 asymbol *symbol,
72 		 void * data,
73 		 asection *input_section,
74 		 bfd *output_bfd,
75 		 char **error_message ATTRIBUTE_UNUSED)
76 {
77   symvalue diff;
78 
79 #ifndef COFF_WITH_PE
80   if (output_bfd == (bfd *) NULL)
81     return bfd_reloc_continue;
82 #endif
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
108 	 relocatable output.  This seems to be always wrong for 386
109 	 COFF, so we handle the addend here instead.  */
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.  */
122 	  if (howto->pc_relative && howto->pcrel_offset)
123 	    diff = -(1 << howto->size);
124 	  else if (symbol->flags & BSF_WEAK)
125 	    diff = reloc_entry->addend - symbol->value;
126 	  else
127 	    diff = -reloc_entry->addend;
128 	}
129       else
130 #endif
131 	diff = reloc_entry->addend;
132     }
133 
134 #ifdef COFF_WITH_PE
135   /* FIXME: How should this case be handled?  */
136   if (reloc_entry->howto->type == R_IMAGEBASE
137       && output_bfd != NULL
138       && bfd_get_flavour(output_bfd) == bfd_target_coff_flavour)
139     diff -= pe_data (output_bfd)->pe_opthdr.ImageBase;
140 #endif
141 
142 #define DOIT(x) \
143   x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
144 
145   if (diff != 0)
146     {
147       reloc_howto_type *howto = reloc_entry->howto;
148       bfd_size_type octets = (reloc_entry->address
149 			      * OCTETS_PER_BYTE (abfd, input_section));
150       unsigned char *addr = (unsigned char *) data + octets;
151 
152       if (!bfd_reloc_offset_in_range (howto, abfd, input_section, octets))
153 	return bfd_reloc_outofrange;
154 
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;
164 
165 	case 1:
166 	  {
167 	    short x = bfd_get_16 (abfd, addr);
168 	    DOIT (x);
169 	    bfd_put_16 (abfd, (bfd_vma) x, addr);
170 	  }
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     }
185 
186   /* Now let bfd_perform_relocation finish everything up.  */
187   return bfd_reloc_continue;
188 }
189 
190 #ifdef COFF_WITH_PE
191 /* Return TRUE if this relocation should appear in the output .reloc
192    section.  */
193 
194 static bfd_boolean in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
195 			       reloc_howto_type *howto)
196 {
197   return ! howto->pc_relative && howto->type != R_IMAGEBASE
198 	 && howto->type != R_SECREL32;
199 }
200 #endif /* COFF_WITH_PE */
201 
202 #ifndef PCRELOFFSET
203 #define PCRELOFFSET FALSE
204 #endif
205 
206 static reloc_howto_type howto_table[] =
207 {
208   EMPTY_HOWTO (0),
209   EMPTY_HOWTO (1),
210   EMPTY_HOWTO (2),
211   EMPTY_HOWTO (3),
212   EMPTY_HOWTO (4),
213   EMPTY_HOWTO (5),
214   HOWTO (R_DIR32,		/* type */
215 	 0,			/* rightshift */
216 	 2,			/* size (0 = byte, 1 = short, 2 = long) */
217 	 32,			/* bitsize */
218 	 FALSE,			/* pc_relative */
219 	 0,			/* bitpos */
220 	 complain_overflow_bitfield, /* complain_on_overflow */
221 	 coff_i386_reloc,	/* special_function */
222 	 "dir32",		/* name */
223 	 TRUE,			/* partial_inplace */
224 	 0xffffffff,		/* src_mask */
225 	 0xffffffff,		/* dst_mask */
226 	 TRUE),			/* pcrel_offset */
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 */
232 	 FALSE,			/* pc_relative */
233 	 0,			/* bitpos */
234 	 complain_overflow_bitfield, /* complain_on_overflow */
235 	 coff_i386_reloc,	/* special_function */
236 	 "rva32",		/* name */
237 	 TRUE,			/* partial_inplace */
238 	 0xffffffff,		/* src_mask */
239 	 0xffffffff,		/* dst_mask */
240 	 FALSE),		/* pcrel_offset */
241   EMPTY_HOWTO (010),
242   EMPTY_HOWTO (011),
243   EMPTY_HOWTO (012),
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
260   EMPTY_HOWTO (013),
261 #endif
262   EMPTY_HOWTO (014),
263   EMPTY_HOWTO (015),
264   EMPTY_HOWTO (016),
265   /* Byte relocation (017).  */
266   HOWTO (R_RELBYTE,		/* type */
267 	 0,			/* rightshift */
268 	 0,			/* size (0 = byte, 1 = short, 2 = long) */
269 	 8,			/* bitsize */
270 	 FALSE,			/* pc_relative */
271 	 0,			/* bitpos */
272 	 complain_overflow_bitfield, /* complain_on_overflow */
273 	 coff_i386_reloc,	/* special_function */
274 	 "8",			/* name */
275 	 TRUE,			/* partial_inplace */
276 	 0x000000ff,		/* src_mask */
277 	 0x000000ff,		/* dst_mask */
278 	 PCRELOFFSET),		/* pcrel_offset */
279   /* 16-bit word relocation (020).  */
280   HOWTO (R_RELWORD,		/* type */
281 	 0,			/* rightshift */
282 	 1,			/* size (0 = byte, 1 = short, 2 = long) */
283 	 16,			/* bitsize */
284 	 FALSE,			/* pc_relative */
285 	 0,			/* bitpos */
286 	 complain_overflow_bitfield, /* complain_on_overflow */
287 	 coff_i386_reloc,	/* special_function */
288 	 "16",			/* name */
289 	 TRUE,			/* partial_inplace */
290 	 0x0000ffff,		/* src_mask */
291 	 0x0000ffff,		/* dst_mask */
292 	 PCRELOFFSET),		/* pcrel_offset */
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 */
298 	 FALSE,			/* pc_relative */
299 	 0,			/* bitpos */
300 	 complain_overflow_bitfield, /* complain_on_overflow */
301 	 coff_i386_reloc,	/* special_function */
302 	 "32",			/* name */
303 	 TRUE,			/* partial_inplace */
304 	 0xffffffff,		/* src_mask */
305 	 0xffffffff,		/* dst_mask */
306 	 PCRELOFFSET),		/* pcrel_offset */
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 */
312 	 TRUE,			/* pc_relative */
313 	 0,			/* bitpos */
314 	 complain_overflow_signed, /* complain_on_overflow */
315 	 coff_i386_reloc,	/* special_function */
316 	 "DISP8",		/* name */
317 	 TRUE,			/* partial_inplace */
318 	 0x000000ff,		/* src_mask */
319 	 0x000000ff,		/* dst_mask */
320 	 PCRELOFFSET),		/* pcrel_offset */
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 */
326 	 TRUE,			/* pc_relative */
327 	 0,			/* bitpos */
328 	 complain_overflow_signed, /* complain_on_overflow */
329 	 coff_i386_reloc,	/* special_function */
330 	 "DISP16",		/* name */
331 	 TRUE,			/* partial_inplace */
332 	 0x0000ffff,		/* src_mask */
333 	 0x0000ffff,		/* dst_mask */
334 	 PCRELOFFSET),		/* pcrel_offset */
335   /* 32-bit longword PC relative relocation (024).  */
336   HOWTO (R_PCRLONG,		/* type */
337 	 0,			/* rightshift */
338 	 2,			/* size (0 = byte, 1 = short, 2 = long) */
339 	 32,			/* bitsize */
340 	 TRUE,			/* pc_relative */
341 	 0,			/* bitpos */
342 	 complain_overflow_signed, /* complain_on_overflow */
343 	 coff_i386_reloc,	/* special_function */
344 	 "DISP32",		/* name */
345 	 TRUE,			/* partial_inplace */
346 	 0xffffffff,		/* src_mask */
347 	 0xffffffff,		/* dst_mask */
348 	 PCRELOFFSET)		/* pcrel_offset */
349 };
350 
351 #define NUM_HOWTOS (sizeof (howto_table) / sizeof (howto_table[0]))
352 
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 
359 #define RTYPE2HOWTO(cache_ptr, dst)				\
360   ((cache_ptr)->howto =						\
361    ((dst)->r_type < NUM_HOWTOS					\
362     ? howto_table + (dst)->r_type				\
363     : NULL))
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)				\
388 		 + (cache_ptr->sym_ptr_ptr - symbols));		\
389     else if (ptr)						\
390       coffsym = coff_symbol_from (ptr);				\
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;					\
399     if (ptr && reloc.r_type < NUM_HOWTOS			\
400 	&& howto_table[reloc.r_type].pc_relative)		\
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
416    relocatable link.  */
417 
418 static bfd_boolean
419 coff_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)
427 {
428   if (bfd_link_relocatable (info))
429     return TRUE;
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 
442 static reloc_howto_type *
443 coff_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)
449 {
450   reloc_howto_type *howto;
451 
452   if (rel->r_type >= NUM_HOWTOS)
453     {
454       bfd_set_error (bfd_error_bad_value);
455       return NULL;
456     }
457 
458   howto = howto_table + rel->r_type;
459 
460 #ifdef COFF_WITH_PE
461   /* Cancel out code in _bfd_coff_generic_relocate_section.  */
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.  */
475 
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
492      relocatable link), we need to add in the final size of the
493      common symbol.  */
494   if (h != NULL && h->root.type == bfd_link_hash_common)
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
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.  */
509       if (sym != NULL && sym->n_scnum != 0)
510 	*addendp -= sym->n_value;
511     }
512 
513   if (rel->r_type == R_IMAGEBASE
514       && (bfd_get_flavour(sec->output_section->owner)
515 	  == bfd_target_coff_flavour))
516     {
517       *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
518     }
519 
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 
526   if (rel->r_type == R_SECREL32 && sym != NULL)
527     {
528       bfd_vma osect_vma;
529 
530       if (h && (h->root.type == bfd_link_hash_defined
531 		|| h->root.type == bfd_link_hash_defweak))
532 	osect_vma = h->root.u.def.section->output_section->vma;
533       else
534 	{
535 	  asection *s;
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 
541 	  for (s = abfd->sections, i = 1; i < sym->n_scnum; i++)
542 	    s = s->next;
543 
544 	  osect_vma = s->output_section->vma;
545 	}
546 
547       *addendp -= osect_vma;
548     }
549 #endif
550 
551   return howto;
552 }
553 
554 #define coff_bfd_reloc_type_lookup coff_i386_reloc_type_lookup
555 #define coff_bfd_reloc_name_lookup coff_i386_reloc_name_lookup
556 
557 static reloc_howto_type *
558 coff_i386_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
559 			     bfd_reloc_code_real_type code)
560 {
561   switch (code)
562     {
563     case BFD_RELOC_RVA:
564       return howto_table + R_IMAGEBASE;
565     case BFD_RELOC_32:
566       return howto_table + R_DIR32;
567     case BFD_RELOC_32_PCREL:
568       return howto_table + R_PCRLONG;
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;
577 #ifdef COFF_WITH_PE
578     case BFD_RELOC_32_SECREL:
579       return howto_table + R_SECREL32;
580 #endif
581     default:
582       BFD_FAIL ();
583       return 0;
584     }
585 }
586 
587 static reloc_howto_type *
588 coff_i386_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
589 			     const char *r_name)
590 {
591   unsigned int i;
592 
593   for (i = 0; i < NUM_HOWTOS; i++)
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 
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 
609 static bfd_boolean
610 coff_i386_is_local_label_name (bfd *abfd, const char *name)
611 {
612   if (name[0] == 'L')
613     return TRUE;
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 
624 const bfd_target
625 #ifdef TARGET_SYM
626   TARGET_SYM =
627 #else
628   i386_coff_vec =
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 |
642    HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS ),
643 
644   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
645 #ifdef COFF_WITH_PE
646    | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING
647 #endif
648    | SEC_CODE | SEC_DATA | SEC_EXCLUDE ),
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 */
657   0,				/* match priority.  */
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 
666 /* Note that we allow an object file to be treated as a core file as well.  */
667 
668 #ifdef COFF_CHECK_FORMAT
669   {				/* bfd_check_format */
670     _bfd_dummy_target,
671     COFF_CHECK_FORMAT,
672     bfd_generic_archive_p,
673     COFF_CHECK_FORMAT
674   },
675 #else
676   {
677     _bfd_dummy_target,
678     coff_object_p,
679     bfd_generic_archive_p,
680     coff_object_p
681   },
682 #endif
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),
705 
706   NULL,
707 
708   COFF_SWAP_TABLE
709 };
710