2000-06-06 Michael Snyder <msnyder@seadog.cygnus.com>
[binutils.git] / gas / config / obj-coff.h
bloba8d038aee3bd3aaea1d998b371b1da15fd50b8d0
1 /* coff object file format
2 Copyright (C) 1989, 90, 91, 92, 94, 95, 96, 97, 98, 99, 2000
3 Free Software Foundation, Inc.
5 This file is part of GAS.
7 GAS 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, or (at your option)
10 any later version.
12 GAS 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.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
20 02111-1307, USA. */
22 #ifndef OBJ_FORMAT_H
23 #define OBJ_FORMAT_H
25 #define OBJ_COFF 1
27 #ifndef BFD_ASSEMBLER
29 #define WORKING_DOT_WORD
30 #define WARN_SIGNED_OVERFLOW_WORD
31 #define OBJ_COFF_OMIT_OPTIONAL_HEADER
32 #define BFD_HEADERS
33 #define BFD
35 #endif
37 #include "targ-cpu.h"
39 #include "bfd.h"
41 /* This internal_lineno crap is to stop namespace pollution from the
42 bfd internal coff headerfile. */
43 #define internal_lineno bfd_internal_lineno
44 #include "coff/internal.h"
45 #undef internal_lineno
47 /* CPU-specific setup: */
49 #ifdef TC_ARM
50 #include "coff/arm.h"
51 #ifndef TARGET_FORMAT
52 #define TARGET_FORMAT "coff-arm"
53 #endif
54 #endif
56 #ifdef TC_PPC
57 #ifdef TE_PE
58 #include "coff/powerpc.h"
59 #else
60 #include "coff/rs6000.h"
61 #endif
62 #endif
64 #ifdef TC_SPARC
65 #include "coff/sparc.h"
66 #endif
68 #ifdef TC_I386
69 #include "coff/i386.h"
71 #ifdef TE_PE
72 #define TARGET_FORMAT "pe-i386"
73 #endif
75 #ifndef TARGET_FORMAT
76 #define TARGET_FORMAT "coff-i386"
77 #endif
78 #endif
80 #ifdef TC_M68K
81 #include "coff/m68k.h"
82 #ifndef TARGET_FORMAT
83 #define TARGET_FORMAT "coff-m68k"
84 #endif
85 #endif
87 #ifdef TC_A29K
88 #include "coff/a29k.h"
89 #define TARGET_FORMAT "coff-a29k-big"
90 #endif
92 #ifdef TC_I960
93 #include "coff/i960.h"
94 #define TARGET_FORMAT "coff-Intel-little"
95 #endif
97 #ifdef TC_Z8K
98 #include "coff/z8k.h"
99 #define TARGET_FORMAT "coff-z8k"
100 #endif
102 #ifdef TC_H8300
103 #include "coff/h8300.h"
104 #define TARGET_FORMAT "coff-h8300"
105 #endif
107 #ifdef TC_H8500
108 #include "coff/h8500.h"
109 #define TARGET_FORMAT "coff-h8500"
110 #endif
112 #ifdef TC_SH
114 #ifdef TE_PE
115 #define COFF_WITH_PE
116 #endif
118 #include "coff/sh.h"
120 #ifdef TE_PE
121 #define TARGET_FORMAT "pe-shl"
122 #else
123 #define TARGET_FORMAT \
124 (shl \
125 ? (sh_small ? "coff-shl-small" : "coff-shl") \
126 : (sh_small ? "coff-sh-small" : "coff-sh"))
127 #endif
128 #endif
130 #ifdef TC_MIPS
131 #define COFF_WITH_PE
132 #include "coff/mipspe.h"
133 #undef TARGET_FORMAT
134 #define TARGET_FORMAT "pe-mips"
135 #endif
137 #ifdef TC_M88K
138 #include "coff/m88k.h"
139 #define TARGET_FORMAT "coff-m88kbcs"
140 #endif
142 #ifdef TC_W65
143 #include "coff/w65.h"
144 #define TARGET_FORMAT "coff-w65"
145 #endif
147 #ifdef TC_TIC30
148 #include "coff/tic30.h"
149 #define TARGET_FORMAT "coff-tic30"
150 #endif
152 #ifdef TC_TIC80
153 #include "coff/tic80.h"
154 #define TARGET_FORMAT "coff-tic80"
155 #define ALIGNMENT_IN_S_FLAGS 1
156 #endif
158 #ifdef TC_MCORE
159 #include "coff/mcore.h"
160 #ifndef TARGET_FORMAT
161 #define TARGET_FORMAT "pe-mcore"
162 #endif
163 #endif
165 /* Targets may also set this. Also, if BFD_ASSEMBLER is defined, this
166 will already have been defined. */
167 #undef SYMBOLS_NEED_BACKPOINTERS
168 #define SYMBOLS_NEED_BACKPOINTERS 1
170 #ifndef OBJ_COFF_MAX_AUXENTRIES
171 #define OBJ_COFF_MAX_AUXENTRIES 1
172 #endif /* OBJ_COFF_MAX_AUXENTRIES */
174 extern void coff_obj_symbol_new_hook PARAMS ((symbolS *));
175 #define obj_symbol_new_hook coff_obj_symbol_new_hook
177 extern void coff_obj_read_begin_hook PARAMS ((void));
178 #define obj_read_begin_hook coff_obj_read_begin_hook
180 /* ***********************************************************************
182 This file really contains two implementations of the COFF back end.
183 They are in the process of being merged, but this is only a
184 preliminary, mechanical merging. Many definitions that are
185 identical between the two are still found in both versions.
187 The first version, with BFD_ASSEMBLER defined, uses high-level BFD
188 interfaces and data structures. The second version, with
189 BFD_ASSEMBLER not defined, also uses BFD, but mostly for swapping
190 data structures and for doing the actual I/O. The latter defines
191 the preprocessor symbols BFD and BFD_HEADERS. Try not to let this
192 confuse you.
194 These two are in the process of being merged, and eventually the
195 BFD_ASSEMBLER version should take over completely. Release timing
196 issues and namespace problems convinced me to merge the two
197 together in this fashion, a little sooner than I would have liked.
198 The real merge should be much better done by the time the next
199 release comes out.
201 For now, the structure of this file is:
202 <common>
203 #ifdef BFD_ASSEMBLER
204 <one version>
205 #else
206 <other version>
207 #endif
208 <common>
209 Unfortunately, the common portions are very small at the moment,
210 and many declarations or definitions are duplicated. The structure
211 of obj-coff.c is similar.
213 See doc/internals.texi for a brief discussion of the history, if
214 you care.
216 Ken Raeburn, 5 May 1994
218 *********************************************************************** */
220 #ifdef BFD_ASSEMBLER
222 #include "bfd/libcoff.h"
224 #define OUTPUT_FLAVOR bfd_target_coff_flavour
226 /* SYMBOL TABLE */
228 /* Alter the field names, for now, until we've fixed up the other
229 references to use the new name. */
230 #ifdef TC_I960
231 #define TC_SYMFIELD_TYPE symbolS *
232 #define sy_tc bal
233 #endif
235 #define OBJ_SYMFIELD_TYPE unsigned long
236 #define sy_obj sy_flags
238 #define SYM_AUXENT(S) \
239 (&coffsymbol (symbol_get_bfdsym (S))->native[1].u.auxent)
240 #define SYM_AUXINFO(S) \
241 (&coffsymbol (symbol_get_bfdsym (S))->native[1])
243 #define DO_NOT_STRIP 0
245 extern void obj_coff_section PARAMS ((int));
247 /* The number of auxiliary entries */
248 #define S_GET_NUMBER_AUXILIARY(s) \
249 (coffsymbol (symbol_get_bfdsym (s))->native->u.syment.n_numaux)
250 /* The number of auxiliary entries */
251 #define S_SET_NUMBER_AUXILIARY(s,v) (S_GET_NUMBER_AUXILIARY (s) = (v))
253 /* True if a symbol name is in the string table, i.e. its length is > 8. */
254 #define S_IS_STRING(s) (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
256 extern int S_SET_DATA_TYPE PARAMS ((symbolS *, int));
257 extern int S_SET_STORAGE_CLASS PARAMS ((symbolS *, int));
258 extern int S_GET_STORAGE_CLASS PARAMS ((symbolS *));
259 extern void SA_SET_SYM_ENDNDX PARAMS ((symbolS *, symbolS *));
261 /* Auxiliary entry macros. SA_ stands for symbol auxiliary */
262 /* Omit the tv related fields */
263 /* Accessors */
265 #define SA_GET_SYM_TAGNDX(s) (SYM_AUXENT (s)->x_sym.x_tagndx.l)
266 #define SA_GET_SYM_LNNO(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno)
267 #define SA_GET_SYM_SIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size)
268 #define SA_GET_SYM_FSIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize)
269 #define SA_GET_SYM_LNNOPTR(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr)
270 #define SA_GET_SYM_ENDNDX(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx)
271 #define SA_GET_SYM_DIMEN(s,i) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)])
272 #define SA_GET_FILE_FNAME(s) (SYM_AUXENT (s)->x_file.x_fname)
273 #define SA_GET_SCN_SCNLEN(s) (SYM_AUXENT (s)->x_scn.x_scnlen)
274 #define SA_GET_SCN_NRELOC(s) (SYM_AUXENT (s)->x_scn.x_nreloc)
275 #define SA_GET_SCN_NLINNO(s) (SYM_AUXENT (s)->x_scn.x_nlinno)
277 #define SA_SET_SYM_LNNO(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno=(v))
278 #define SA_SET_SYM_SIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size=(v))
279 #define SA_SET_SYM_FSIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize=(v))
280 #define SA_SET_SYM_LNNOPTR(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
281 #define SA_SET_SYM_DIMEN(s,i,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
282 #define SA_SET_FILE_FNAME(s,v) strncpy(SYM_AUXENT (s)->x_file.x_fname,(v),FILNMLEN)
283 #define SA_SET_SCN_SCNLEN(s,v) (SYM_AUXENT (s)->x_scn.x_scnlen=(v))
284 #define SA_SET_SCN_NRELOC(s,v) (SYM_AUXENT (s)->x_scn.x_nreloc=(v))
285 #define SA_SET_SCN_NLINNO(s,v) (SYM_AUXENT (s)->x_scn.x_nlinno=(v))
288 * Internal use only definitions. SF_ stands for symbol flags.
290 * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
292 * You'll break i960 if you shift the SYSPROC bits anywhere else. for
293 * more on the balname/callname hack, see tc-i960.h. b.out is done
294 * differently.
297 #define SF_I960_MASK (0x000001ff) /* Bits 0-8 are used by the i960 port. */
298 #define SF_SYSPROC (0x0000003f) /* bits 0-5 are used to store the sysproc number */
299 #define SF_IS_SYSPROC (0x00000040) /* bit 6 marks symbols that are sysprocs */
300 #define SF_BALNAME (0x00000080) /* bit 7 marks BALNAME symbols */
301 #define SF_CALLNAME (0x00000100) /* bit 8 marks CALLNAME symbols */
303 #define SF_NORMAL_MASK (0x0000ffff) /* bits 12-15 are general purpose. */
305 #define SF_STATICS (0x00001000) /* Mark the .text & all symbols */
306 #define SF_DEFINED (0x00002000) /* Symbol is defined in this file */
307 #define SF_STRING (0x00004000) /* Symbol name length > 8 */
308 #define SF_LOCAL (0x00008000) /* Symbol must not be emitted */
310 #define SF_DEBUG_MASK (0xffff0000) /* bits 16-31 are debug info */
312 #define SF_FUNCTION (0x00010000) /* The symbol is a function */
313 #define SF_PROCESS (0x00020000) /* Process symbol before write */
314 #define SF_TAGGED (0x00040000) /* Is associated with a tag */
315 #define SF_TAG (0x00080000) /* Is a tag */
316 #define SF_DEBUG (0x00100000) /* Is in debug or abs section */
317 #define SF_GET_SEGMENT (0x00200000) /* Get the section of the forward symbol. */
318 /* All other bits are unused. */
320 /* Accessors */
321 #define SF_GET(s) (*symbol_get_obj (s))
322 #define SF_GET_DEBUG(s) (symbol_get_bfdsym (s)->flags & BSF_DEBUGGING)
323 #define SF_SET_DEBUG(s) (symbol_get_bfdsym (s)->flags |= BSF_DEBUGGING)
324 #define SF_GET_NORMAL_FIELD(s) (SF_GET (s) & SF_NORMAL_MASK)
325 #define SF_GET_DEBUG_FIELD(s) (SF_GET (s) & SF_DEBUG_MASK)
326 #define SF_GET_FILE(s) (SF_GET (s) & SF_FILE)
327 #define SF_GET_STATICS(s) (SF_GET (s) & SF_STATICS)
328 #define SF_GET_DEFINED(s) (SF_GET (s) & SF_DEFINED)
329 #define SF_GET_STRING(s) (SF_GET (s) & SF_STRING)
330 #define SF_GET_LOCAL(s) (SF_GET (s) & SF_LOCAL)
331 #define SF_GET_FUNCTION(s) (SF_GET (s) & SF_FUNCTION)
332 #define SF_GET_PROCESS(s) (SF_GET (s) & SF_PROCESS)
333 #define SF_GET_TAGGED(s) (SF_GET (s) & SF_TAGGED)
334 #define SF_GET_TAG(s) (SF_GET (s) & SF_TAG)
335 #define SF_GET_GET_SEGMENT(s) (SF_GET (s) & SF_GET_SEGMENT)
336 #define SF_GET_I960(s) (SF_GET (s) & SF_I960_MASK) /* used by i960 */
337 #define SF_GET_BALNAME(s) (SF_GET (s) & SF_BALNAME) /* used by i960 */
338 #define SF_GET_CALLNAME(s) (SF_GET (s) & SF_CALLNAME) /* used by i960 */
339 #define SF_GET_IS_SYSPROC(s) (SF_GET (s) & SF_IS_SYSPROC) /* used by i960 */
340 #define SF_GET_SYSPROC(s) (SF_GET (s) & SF_SYSPROC) /* used by i960 */
342 /* Modifiers */
343 #define SF_SET(s,v) (SF_GET (s) = (v))
344 #define SF_SET_NORMAL_FIELD(s,v)(SF_GET (s) |= ((v) & SF_NORMAL_MASK))
345 #define SF_SET_DEBUG_FIELD(s,v) (SF_GET (s) |= ((v) & SF_DEBUG_MASK))
346 #define SF_SET_FILE(s) (SF_GET (s) |= SF_FILE)
347 #define SF_SET_STATICS(s) (SF_GET (s) |= SF_STATICS)
348 #define SF_SET_DEFINED(s) (SF_GET (s) |= SF_DEFINED)
349 #define SF_SET_STRING(s) (SF_GET (s) |= SF_STRING)
350 #define SF_SET_LOCAL(s) (SF_GET (s) |= SF_LOCAL)
351 #define SF_CLEAR_LOCAL(s) (SF_GET (s) &= ~SF_LOCAL)
352 #define SF_SET_FUNCTION(s) (SF_GET (s) |= SF_FUNCTION)
353 #define SF_SET_PROCESS(s) (SF_GET (s) |= SF_PROCESS)
354 #define SF_SET_TAGGED(s) (SF_GET (s) |= SF_TAGGED)
355 #define SF_SET_TAG(s) (SF_GET (s) |= SF_TAG)
356 #define SF_SET_GET_SEGMENT(s) (SF_GET (s) |= SF_GET_SEGMENT)
357 #define SF_SET_I960(s,v) (SF_GET (s) |= ((v) & SF_I960_MASK)) /* used by i960 */
358 #define SF_SET_BALNAME(s) (SF_GET (s) |= SF_BALNAME) /* used by i960 */
359 #define SF_SET_CALLNAME(s) (SF_GET (s) |= SF_CALLNAME) /* used by i960 */
360 #define SF_SET_IS_SYSPROC(s) (SF_GET (s) |= SF_IS_SYSPROC) /* used by i960 */
361 #define SF_SET_SYSPROC(s,v) (SF_GET (s) |= ((v) & SF_SYSPROC)) /* used by i960 */
363 /* -------------- Line number handling ------- */
364 extern int text_lineno_number;
365 extern int coff_line_base;
366 extern int coff_n_line_nos;
368 #define obj_emit_lineno(WHERE,LINE,FILE_START) abort ()
369 extern void coff_add_linesym PARAMS ((symbolS *));
372 void c_dot_file_symbol PARAMS ((const char *filename));
373 #define obj_app_file c_dot_file_symbol
375 extern void coff_frob_symbol PARAMS ((symbolS *, int *));
376 extern void coff_adjust_symtab PARAMS ((void));
377 extern void coff_frob_section PARAMS ((segT));
378 extern void coff_adjust_section_syms PARAMS ((bfd *, asection *, PTR));
379 extern void coff_frob_file_after_relocs PARAMS ((void));
380 #define obj_frob_symbol(S,P) coff_frob_symbol(S,&P)
381 #ifndef obj_adjust_symtab
382 #define obj_adjust_symtab() coff_adjust_symtab()
383 #endif
384 #define obj_frob_section(S) coff_frob_section (S)
385 #define obj_frob_file_after_relocs() coff_frob_file_after_relocs ()
387 extern symbolS *coff_last_function;
389 /* Forward the segment of a forwarded symbol, handle assignments that
390 just copy symbol values, etc. */
391 #ifndef OBJ_COPY_SYMBOL_ATTRIBUTES
392 #ifndef TE_I386AIX
393 #define OBJ_COPY_SYMBOL_ATTRIBUTES(dest,src) \
394 (SF_GET_GET_SEGMENT (dest) \
395 ? (S_SET_SEGMENT (dest, S_GET_SEGMENT (src)), 0) \
396 : 0)
397 #else
398 #define OBJ_COPY_SYMBOL_ATTRIBUTES(dest,src) \
399 (SF_GET_GET_SEGMENT (dest) && S_GET_SEGMENT (dest) == SEG_UNKNOWN \
400 ? (S_SET_SEGMENT (dest, S_GET_SEGMENT (src)), 0) \
401 : 0)
402 #endif
403 #endif
405 /* sanity check */
407 #ifdef TC_I960
408 #ifndef C_LEAFSTAT
409 hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
410 #endif /* no C_LEAFSTAT */
411 #endif /* TC_I960 */
413 #else /* not BFD_ASSEMBLER */
415 #ifdef TC_A29K
416 /* Allow translate from aout relocs to coff relocs */
417 #define NO_RELOC 20
418 #define RELOC_32 1
419 #define RELOC_8 2
420 #define RELOC_CONST 3
421 #define RELOC_CONSTH 4
422 #define RELOC_JUMPTARG 5
423 #define RELOC_BASE22 6
424 #define RELOC_HI22 7
425 #define RELOC_LO10 8
426 #define RELOC_BASE13 9
427 #define RELOC_WDISP22 10
428 #define RELOC_WDISP30 11
429 #endif
431 extern const segT N_TYPE_seg[];
433 /* Magic number of paged executable. */
434 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE 0x8300
437 /* SYMBOL TABLE */
439 /* Symbol table entry data type */
441 typedef struct
443 /* Basic symbol */
444 struct internal_syment ost_entry;
445 /* Auxiliary entry. */
446 union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES];
447 /* obj_coff internal use only flags */
448 unsigned int ost_flags;
449 } obj_symbol_type;
451 #ifndef DO_NOT_STRIP
452 #define DO_NOT_STRIP 0
453 #endif
454 /* Symbol table macros and constants */
456 /* Possible and usefull section number in symbol table
457 * The values of TEXT, DATA and BSS may not be portable.
460 #define C_ABS_SECTION N_ABS
461 #define C_UNDEF_SECTION N_UNDEF
462 #define C_DEBUG_SECTION N_DEBUG
463 #define C_NTV_SECTION N_TV
464 #define C_PTV_SECTION P_TV
465 #define C_REGISTER_SECTION 50
468 * Macros to extract information from a symbol table entry.
469 * This syntaxic indirection allows independence regarding a.out or coff.
470 * The argument (s) of all these macros is a pointer to a symbol table entry.
473 /* Predicates */
474 /* True if the symbol is external */
475 #define S_IS_EXTERNAL(s) ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
476 /* True if symbol has been defined, ie :
477 section > 0 (DATA, TEXT or BSS)
478 section == 0 and value > 0 (external bss symbol) */
479 #define S_IS_DEFINED(s) \
480 ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION \
481 || ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION \
482 && S_GET_VALUE (s) > 0) \
483 || ((s)->sy_symbol.ost_entry.n_scnum == C_ABS_SECTION))
484 /* True if a debug special symbol entry */
485 #define S_IS_DEBUG(s) ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
486 /* True if a symbol is local symbol name */
487 /* A symbol name whose name includes ^A is a gas internal pseudo symbol */
488 #define S_IS_LOCAL(s) \
489 ((s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION \
490 || (S_LOCAL_NAME(s) && ! flag_keep_locals && ! S_IS_DEBUG (s)) \
491 || strchr (S_GET_NAME (s), '\001') != NULL \
492 || strchr (S_GET_NAME (s), '\002') != NULL \
493 || (flag_strip_local_absolute \
494 && !S_IS_EXTERNAL(s) \
495 && (s)->sy_symbol.ost_entry.n_scnum == C_ABS_SECTION))
496 /* True if a symbol is not defined in this file */
497 #define S_IS_EXTERN(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \
498 && S_GET_VALUE (s) == 0)
500 * True if a symbol can be multiply defined (bss symbols have this def
501 * though it is bad practice)
503 #define S_IS_COMMON(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \
504 && S_GET_VALUE (s) != 0)
505 /* True if a symbol name is in the string table, i.e. its length is > 8. */
506 #define S_IS_STRING(s) (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
508 /* True if a symbol is defined as weak. */
509 #ifdef TE_PE
510 #define S_IS_WEAK(s) \
511 ((s)->sy_symbol.ost_entry.n_sclass == C_NT_WEAK \
512 || (s)->sy_symbol.ost_entry.n_sclass == C_WEAKEXT)
513 #else
514 #define S_IS_WEAK(s) \
515 ((s)->sy_symbol.ost_entry.n_sclass == C_WEAKEXT)
516 #endif
518 /* Accessors */
519 /* The name of the symbol */
520 #define S_GET_NAME(s) ((char*)(s)->sy_symbol.ost_entry.n_offset)
521 /* The pointer to the string table */
522 #define S_GET_OFFSET(s) ((s)->sy_symbol.ost_entry.n_offset)
523 /* The numeric value of the segment */
524 #define S_GET_SEGMENT(s) s_get_segment(s)
525 /* The data type */
526 #define S_GET_DATA_TYPE(s) ((s)->sy_symbol.ost_entry.n_type)
527 /* The storage class */
528 #define S_GET_STORAGE_CLASS(s) ((s)->sy_symbol.ost_entry.n_sclass)
529 /* The number of auxiliary entries */
530 #define S_GET_NUMBER_AUXILIARY(s) ((s)->sy_symbol.ost_entry.n_numaux)
532 /* Modifiers */
533 /* Set the name of the symbol */
534 #define S_SET_NAME(s,v) ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
535 /* Set the offset of the symbol */
536 #define S_SET_OFFSET(s,v) ((s)->sy_symbol.ost_entry.n_offset = (v))
537 /* The numeric value of the segment */
538 #define S_SET_SEGMENT(s,v) ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
539 /* The data type */
540 #define S_SET_DATA_TYPE(s,v) ((s)->sy_symbol.ost_entry.n_type = (v))
541 /* The storage class */
542 #define S_SET_STORAGE_CLASS(s,v) ((s)->sy_symbol.ost_entry.n_sclass = (v))
543 /* The number of auxiliary entries */
544 #define S_SET_NUMBER_AUXILIARY(s,v) ((s)->sy_symbol.ost_entry.n_numaux = (v))
546 /* Additional modifiers */
547 /* The symbol is external (does not mean undefined) */
548 #define S_SET_EXTERNAL(s) { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
550 /* Auxiliary entry macros. SA_ stands for symbol auxiliary */
551 /* Omit the tv related fields */
552 /* Accessors */
553 #define SYM_AUXENT(S) (&(S)->sy_symbol.ost_auxent[0])
555 #define SA_GET_SYM_TAGNDX(s) (SYM_AUXENT (s)->x_sym.x_tagndx.l)
556 #define SA_GET_SYM_LNNO(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno)
557 #define SA_GET_SYM_SIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size)
558 #define SA_GET_SYM_FSIZE(s) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize)
559 #define SA_GET_SYM_LNNOPTR(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr)
560 #define SA_GET_SYM_ENDNDX(s) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l)
561 #define SA_GET_SYM_DIMEN(s,i) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)])
562 #define SA_GET_FILE_FNAME(s) (SYM_AUXENT (s)->x_file.x_fname)
563 #define SA_GET_FILE_FNAME_OFFSET(s) (SYM_AUXENT (s)->x_file.x_n.x_offset)
564 #define SA_GET_FILE_FNAME_ZEROS(s) (SYM_AUXENT (s)->x_file.x_n.x_zeroes)
565 #define SA_GET_SCN_SCNLEN(s) (SYM_AUXENT (s)->x_scn.x_scnlen)
566 #define SA_GET_SCN_NRELOC(s) (SYM_AUXENT (s)->x_scn.x_nreloc)
567 #define SA_GET_SCN_NLINNO(s) (SYM_AUXENT (s)->x_scn.x_nlinno)
569 /* Modifiers */
570 #define SA_SET_SYM_TAGNDX(s,v) (SYM_AUXENT (s)->x_sym.x_tagndx.l=(v))
571 #define SA_SET_SYM_LNNO(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno=(v))
572 #define SA_SET_SYM_SIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size=(v))
573 #define SA_SET_SYM_FSIZE(s,v) (SYM_AUXENT (s)->x_sym.x_misc.x_fsize=(v))
574 #define SA_SET_SYM_LNNOPTR(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
575 #define SA_SET_SYM_ENDNDX(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
576 #define SA_SET_SYM_DIMEN(s,i,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
577 #define SA_SET_FILE_FNAME(s,v) strncpy(SYM_AUXENT (s)->x_file.x_fname,(v),FILNMLEN)
578 #define SA_SET_FILE_FNAME_OFFSET(s,v) (SYM_AUXENT (s)->x_file.x_n.x_offset=(v))
579 #define SA_SET_FILE_FNAME_ZEROS(s,v) (SYM_AUXENT (s)->x_file.x_n.x_zeroes=(v))
580 #define SA_SET_SCN_SCNLEN(s,v) (SYM_AUXENT (s)->x_scn.x_scnlen=(v))
581 #define SA_SET_SCN_NRELOC(s,v) (SYM_AUXENT (s)->x_scn.x_nreloc=(v))
582 #define SA_SET_SCN_NLINNO(s,v) (SYM_AUXENT (s)->x_scn.x_nlinno=(v))
585 * Internal use only definitions. SF_ stands for symbol flags.
587 * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
589 * You'll break i960 if you shift the SYSPROC bits anywhere else. for
590 * more on the balname/callname hack, see tc-i960.h. b.out is done
591 * differently.
594 #define SF_I960_MASK (0x000001ff) /* Bits 0-8 are used by the i960 port. */
595 #define SF_SYSPROC (0x0000003f) /* bits 0-5 are used to store the sysproc number */
596 #define SF_IS_SYSPROC (0x00000040) /* bit 6 marks symbols that are sysprocs */
597 #define SF_BALNAME (0x00000080) /* bit 7 marks BALNAME symbols */
598 #define SF_CALLNAME (0x00000100) /* bit 8 marks CALLNAME symbols */
600 #define SF_NORMAL_MASK (0x0000ffff) /* bits 12-15 are general purpose. */
602 #define SF_STATICS (0x00001000) /* Mark the .text & all symbols */
603 #define SF_DEFINED (0x00002000) /* Symbol is defined in this file */
604 #define SF_STRING (0x00004000) /* Symbol name length > 8 */
605 #define SF_LOCAL (0x00008000) /* Symbol must not be emitted */
607 #define SF_DEBUG_MASK (0xffff0000) /* bits 16-31 are debug info */
609 #define SF_FUNCTION (0x00010000) /* The symbol is a function */
610 #define SF_PROCESS (0x00020000) /* Process symbol before write */
611 #define SF_TAGGED (0x00040000) /* Is associated with a tag */
612 #define SF_TAG (0x00080000) /* Is a tag */
613 #define SF_DEBUG (0x00100000) /* Is in debug or abs section */
614 #define SF_GET_SEGMENT (0x00200000) /* Get the section of the forward symbol. */
615 #define SF_ADJ_LNNOPTR (0x00400000) /* Has a lnnoptr */
616 /* All other bits are unused. */
618 /* Accessors */
619 #define SF_GET(s) ((s)->sy_symbol.ost_flags)
620 #define SF_GET_NORMAL_FIELD(s) (SF_GET (s) & SF_NORMAL_MASK)
621 #define SF_GET_DEBUG_FIELD(s) (SF_GET (s) & SF_DEBUG_MASK)
622 #define SF_GET_FILE(s) (SF_GET (s) & SF_FILE)
623 #define SF_GET_STATICS(s) (SF_GET (s) & SF_STATICS)
624 #define SF_GET_DEFINED(s) (SF_GET (s) & SF_DEFINED)
625 #define SF_GET_STRING(s) (SF_GET (s) & SF_STRING)
626 #define SF_GET_LOCAL(s) (SF_GET (s) & SF_LOCAL)
627 #define SF_GET_FUNCTION(s) (SF_GET (s) & SF_FUNCTION)
628 #define SF_GET_PROCESS(s) (SF_GET (s) & SF_PROCESS)
629 #define SF_GET_DEBUG(s) (SF_GET (s) & SF_DEBUG)
630 #define SF_GET_TAGGED(s) (SF_GET (s) & SF_TAGGED)
631 #define SF_GET_TAG(s) (SF_GET (s) & SF_TAG)
632 #define SF_GET_GET_SEGMENT(s) (SF_GET (s) & SF_GET_SEGMENT)
633 #define SF_GET_ADJ_LNNOPTR(s) (SF_GET (s) & SF_ADJ_LNNOPTR)
634 #define SF_GET_I960(s) (SF_GET (s) & SF_I960_MASK) /* used by i960 */
635 #define SF_GET_BALNAME(s) (SF_GET (s) & SF_BALNAME) /* used by i960 */
636 #define SF_GET_CALLNAME(s) (SF_GET (s) & SF_CALLNAME) /* used by i960 */
637 #define SF_GET_IS_SYSPROC(s) (SF_GET (s) & SF_IS_SYSPROC) /* used by i960 */
638 #define SF_GET_SYSPROC(s) (SF_GET (s) & SF_SYSPROC) /* used by i960 */
640 /* Modifiers */
641 #define SF_SET(s,v) (SF_GET (s) = (v))
642 #define SF_SET_NORMAL_FIELD(s,v)(SF_GET (s) |= ((v) & SF_NORMAL_MASK))
643 #define SF_SET_DEBUG_FIELD(s,v) (SF_GET (s) |= ((v) & SF_DEBUG_MASK))
644 #define SF_SET_FILE(s) (SF_GET (s) |= SF_FILE)
645 #define SF_SET_STATICS(s) (SF_GET (s) |= SF_STATICS)
646 #define SF_SET_DEFINED(s) (SF_GET (s) |= SF_DEFINED)
647 #define SF_SET_STRING(s) (SF_GET (s) |= SF_STRING)
648 #define SF_SET_LOCAL(s) (SF_GET (s) |= SF_LOCAL)
649 #define SF_CLEAR_LOCAL(s) (SF_GET (s) &= ~SF_LOCAL)
650 #define SF_SET_FUNCTION(s) (SF_GET (s) |= SF_FUNCTION)
651 #define SF_SET_PROCESS(s) (SF_GET (s) |= SF_PROCESS)
652 #define SF_SET_DEBUG(s) (SF_GET (s) |= SF_DEBUG)
653 #define SF_SET_TAGGED(s) (SF_GET (s) |= SF_TAGGED)
654 #define SF_SET_TAG(s) (SF_GET (s) |= SF_TAG)
655 #define SF_SET_GET_SEGMENT(s) (SF_GET (s) |= SF_GET_SEGMENT)
656 #define SF_SET_ADJ_LNNOPTR(s) (SF_GET (s) |= SF_ADJ_LNNOPTR)
657 #define SF_SET_I960(s,v) (SF_GET (s) |= ((v) & SF_I960_MASK)) /* used by i960 */
658 #define SF_SET_BALNAME(s) (SF_GET (s) |= SF_BALNAME) /* used by i960 */
659 #define SF_SET_CALLNAME(s) (SF_GET (s) |= SF_CALLNAME) /* used by i960 */
660 #define SF_SET_IS_SYSPROC(s) (SF_GET (s) |= SF_IS_SYSPROC) /* used by i960 */
661 #define SF_SET_SYSPROC(s,v) (SF_GET (s) |= ((v) & SF_SYSPROC)) /* used by i960 */
663 /* File header macro and type definition */
666 * File position calculators. Beware to use them when all the
667 * appropriate fields are set in the header.
670 #ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
671 #define OBJ_COFF_AOUTHDRSZ (0)
672 #else
673 #define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
674 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
676 #define H_GET_FILE_SIZE(h) \
677 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
678 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
679 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
680 H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
681 H_GET_SYMBOL_TABLE_SIZE(h) + \
682 (h)->string_table_size)
683 #define H_GET_TEXT_FILE_OFFSET(h) \
684 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
685 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
686 #define H_GET_DATA_FILE_OFFSET(h) \
687 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
688 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
689 H_GET_TEXT_SIZE(h))
690 #define H_GET_BSS_FILE_OFFSET(h) 0
691 #define H_GET_RELOCATION_FILE_OFFSET(h) \
692 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
693 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
694 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
695 #define H_GET_LINENO_FILE_OFFSET(h) \
696 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
697 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
698 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
699 H_GET_RELOCATION_SIZE(h))
700 #define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
701 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
702 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
703 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
704 H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
706 /* Accessors */
707 /* aouthdr */
708 #define H_GET_MAGIC_NUMBER(h) ((h)->aouthdr.magic)
709 #define H_GET_VERSION_STAMP(h) ((h)->aouthdr.vstamp)
710 #define H_GET_TEXT_SIZE(h) ((h)->aouthdr.tsize)
711 #define H_GET_DATA_SIZE(h) ((h)->aouthdr.dsize)
712 #define H_GET_BSS_SIZE(h) ((h)->aouthdr.bsize)
713 #define H_GET_ENTRY_POINT(h) ((h)->aouthdr.entry)
714 #define H_GET_TEXT_START(h) ((h)->aouthdr.text_start)
715 #define H_GET_DATA_START(h) ((h)->aouthdr.data_start)
716 /* filehdr */
717 #define H_GET_FILE_MAGIC_NUMBER(h) ((h)->filehdr.f_magic)
718 #define H_GET_NUMBER_OF_SECTIONS(h) ((h)->filehdr.f_nscns)
719 #define H_GET_TIME_STAMP(h) ((h)->filehdr.f_timdat)
720 #define H_GET_SYMBOL_TABLE_POINTER(h) ((h)->filehdr.f_symptr)
721 #define H_GET_SYMBOL_COUNT(h) ((h)->filehdr.f_nsyms)
722 #define H_GET_SYMBOL_TABLE_SIZE(h) (H_GET_SYMBOL_COUNT(h) * SYMESZ)
723 #define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
724 #define H_GET_FLAGS(h) ((h)->filehdr.f_flags)
725 /* Extra fields to achieve bsd a.out compatibility and for convenience */
726 #define H_GET_RELOCATION_SIZE(h) ((h)->relocation_size)
727 #define H_GET_STRING_SIZE(h) ((h)->string_table_size)
728 #define H_GET_LINENO_SIZE(h) ((h)->lineno_size)
730 #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
731 #define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \
732 + sizeof(AOUTHDR)\
733 + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
734 #else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
735 #define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \
736 + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
737 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
739 #define H_GET_TEXT_RELOCATION_SIZE(h) (text_section_header.s_nreloc * RELSZ)
740 #define H_GET_DATA_RELOCATION_SIZE(h) (data_section_header.s_nreloc * RELSZ)
742 /* Modifiers */
743 /* aouthdr */
744 #define H_SET_MAGIC_NUMBER(h,v) ((h)->aouthdr.magic = (v))
745 #define H_SET_VERSION_STAMP(h,v) ((h)->aouthdr.vstamp = (v))
746 #define H_SET_TEXT_SIZE(h,v) ((h)->aouthdr.tsize = (v))
747 #define H_SET_DATA_SIZE(h,v) ((h)->aouthdr.dsize = (v))
748 #define H_SET_BSS_SIZE(h,v) ((h)->aouthdr.bsize = (v))
749 #define H_SET_ENTRY_POINT(h,v) ((h)->aouthdr.entry = (v))
750 #define H_SET_TEXT_START(h,v) ((h)->aouthdr.text_start = (v))
751 #define H_SET_DATA_START(h,v) ((h)->aouthdr.data_start = (v))
752 /* filehdr */
753 #define H_SET_FILE_MAGIC_NUMBER(h,v) ((h)->filehdr.f_magic = (v))
754 #define H_SET_NUMBER_OF_SECTIONS(h,v) ((h)->filehdr.f_nscns = (v))
755 #define H_SET_TIME_STAMP(h,v) ((h)->filehdr.f_timdat = (v))
756 #define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
757 #define H_SET_SYMBOL_TABLE_SIZE(h,v) ((h)->filehdr.f_nsyms = (v))
758 #define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
759 #define H_SET_FLAGS(h,v) ((h)->filehdr.f_flags = (v))
760 /* Extra fields to achieve bsd a.out compatibility and for convinience */
761 #define H_SET_RELOCATION_SIZE(h,t,d) ((h)->relocation_size = (t)+(d))
762 #define H_SET_STRING_SIZE(h,v) ((h)->string_table_size = (v))
763 #define H_SET_LINENO_SIZE(h,v) ((h)->lineno_size = (v))
765 /* Segment flipping */
767 typedef struct
769 struct internal_aouthdr aouthdr; /* a.out header */
770 struct internal_filehdr filehdr; /* File header, not machine dep. */
771 long string_table_size; /* names + '\0' + sizeof(int) */
772 long relocation_size; /* Cumulated size of relocation
773 information for all sections in
774 bytes. */
775 long lineno_size; /* Size of the line number information
776 table in bytes */
777 } object_headers;
781 struct lineno_list
783 struct bfd_internal_lineno line;
784 char *frag; /* Frag to which the line number is related */
785 struct lineno_list *next; /* Forward chain pointer */
791 #define obj_segment_name(i) (segment_info[(int) (i)].scnhdr.s_name)
793 #define obj_add_segment(s) obj_coff_add_segment (s)
795 extern segT obj_coff_add_segment PARAMS ((const char *));
797 extern void obj_coff_section PARAMS ((int));
799 extern void c_dot_file_symbol PARAMS ((char *filename));
800 #define obj_app_file c_dot_file_symbol
801 extern void obj_extra_stuff PARAMS ((object_headers * headers));
803 extern segT s_get_segment PARAMS ((symbolS *ptr));
805 extern void c_section_header PARAMS ((struct internal_scnhdr * header,
806 char *name,
807 long core_address,
808 long size,
809 long data_ptr,
810 long reloc_ptr,
811 long lineno_ptr,
812 long reloc_number,
813 long lineno_number,
814 long alignment));
816 #ifndef tc_coff_symbol_emit_hook
817 void tc_coff_symbol_emit_hook PARAMS ((symbolS *));
818 #endif
820 /* sanity check */
822 #ifdef TC_I960
823 #ifndef C_LEAFSTAT
824 hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
825 #endif /* no C_LEAFSTAT */
826 #endif /* TC_I960 */
827 extern struct internal_scnhdr data_section_header;
828 extern struct internal_scnhdr text_section_header;
830 /* Forward the segment of a forwarded symbol. */
831 #define OBJ_COPY_SYMBOL_ATTRIBUTES(dest,src) \
832 (SF_GET_GET_SEGMENT (dest) \
833 ? (S_SET_SEGMENT (dest, S_GET_SEGMENT (src)), 0) \
834 : 0)
836 #ifdef TE_PE
837 #define obj_handle_link_once(t) obj_coff_pe_handle_link_once (t)
838 extern void obj_coff_pe_handle_link_once ();
839 #endif
841 #endif /* not BFD_ASSEMBLER */
843 extern const pseudo_typeS coff_pseudo_table[];
845 #ifndef obj_pop_insert
846 #define obj_pop_insert() pop_insert (coff_pseudo_table)
847 #endif
849 /* In COFF, if a symbol is defined using .def/.val SYM/.endef, it's OK
850 to redefine the symbol later on. This can happen if C symbols use
851 a prefix, and a symbol is defined both with and without the prefix,
852 as in start/_start/__start in gcc/libgcc1-test.c. */
853 #define RESOLVE_SYMBOL_REDEFINITION(sym) \
854 (SF_GET_GET_SEGMENT (sym) \
855 ? (sym->sy_frag = frag_now, \
856 S_SET_VALUE (sym, frag_now_fix ()), \
857 S_SET_SEGMENT (sym, now_seg), \
858 0) \
859 : 0)
861 /* Stabs in a coff file go into their own section. */
862 #define SEPARATE_STAB_SECTIONS 1
864 /* We need 12 bytes at the start of the section to hold some initial
865 information. */
866 extern void obj_coff_init_stab_section PARAMS ((segT));
867 #define INIT_STAB_SECTION(seg) obj_coff_init_stab_section (seg)
869 /* Store the number of relocations in the section aux entry. */
870 #define SET_SECTION_RELOCS(sec, relocs, n) \
871 SA_SET_SCN_NRELOC (section_symbol (sec), n)
873 #endif /* OBJ_FORMAT_H */