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* ecoff.c (ecoff_setup_ext): Renamed from ecoff_build_ext.
[deliverable/binutils-gdb.git] / gas / config / obj-coffbfd.h
CommitLineData
db40ba14 1/* coff object file format
01170860 2 Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
355afbcd 3
a39116f1 4 This file is part of GAS.
355afbcd 5
a39116f1
RP		 6 GAS is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
355afbcd 10
a39116f1
RP		 11 GAS is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
355afbcd 15
a39116f1
RP		 16 You should have received a copy of the GNU General Public License
17 along with GAS; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
db40ba14 19
01170860
RP		 20#ifndef OBJ_FORMAT_H
21#define OBJ_FORMAT_H
22
db40ba14
SC		 23#define OBJ_COFF 1
24
3ad9ec6a 25#define WORKING_DOT_WORD
e41474b7 26#define WARN_SIGNED_OVERFLOW_WORD
3ad9ec6a 27
9a75dc1f
ILT		 28/* By default we omit the optional aouthdr. */
29#define OBJ_COFF_OMIT_OPTIONAL_HEADER
30
db40ba14
SC		 31#include "targ-cpu.h"
32
33#include "bfd.h"
34
db40ba14
SC		 35/* This internal_lineno crap is to stop namespace pollution from the
36 bfd internal coff headerfile. */
37
38#define internal_lineno bfd_internal_lineno
39#include "coff/internal.h"
40#undef internal_lineno
2cb0bdc7
SC		 41
42#ifdef TC_Z8K
163107a1
SC		 43#include "coff/z8k.h"
44#define TARGET_FORMAT "coff-z8k"
2cb0bdc7
SC		 45#endif
46
c24e7321 47#ifdef TC_H8300
db40ba14
SC		 48#include "coff/h8300.h"
49#define TARGET_FORMAT "coff-h8300"
2cb0bdc7
SC		 50#endif
51
033400ec
SC		 52#ifdef TC_H8500
53#include "coff/h8500.h"
54#define TARGET_FORMAT "coff-h8500"
55#endif
56
4a1bbbe7
SC		 57#ifdef TC_SH
58#include "coff/sh.h"
59#define TARGET_FORMAT "coff-sh"
60#endif
61
2cb0bdc7 62#ifdef TC_M68K
3ad9ec6a 63#include "coff/m68k.h"
8f3956b3 64#ifndef TARGET_FORMAT
3ad9ec6a 65#define TARGET_FORMAT "coff-m68k"
2cb0bdc7 66#endif
8f3956b3 67#endif
3ad9ec6a 68
c978e704
ILT		 69#ifdef TC_M88K
70#include "coff/m88k.h"
71#define TARGET_FORMAT "coff-m88kbcs"
72#endif
73
2cb0bdc7 74#ifdef TC_I386
28c8c50b 75#include "coff/i386.h"
8f3956b3 76#ifndef TARGET_FORMAT
28c8c50b 77#define TARGET_FORMAT "coff-i386"
2cb0bdc7 78#endif
8f3956b3 79#endif
2cb0bdc7
SC		 80
81#ifdef TC_A29K
db40ba14
SC		 82#include "coff/a29k.h"
83#define TARGET_FORMAT "coff-a29k-big"
c593cf41
SC		 84
85/* Allow translate from aout relocs to coff relocs */
86#define NO_RELOC 20
87#define RELOC_32 1
88#define RELOC_8 2
89#define RELOC_CONST 3
90#define RELOC_CONSTH 4
91#define RELOC_JUMPTARG 5
92#define RELOC_BASE22 6
93#define RELOC_HI22 7
94#define RELOC_LO10 8
95#define RELOC_BASE13 9
96#define RELOC_WDISP22 10
97#define RELOC_WDISP30 11
db40ba14 98#endif
355afbcd 99
355afbcd 100
2cb0bdc7 101
355afbcd 102
db40ba14
SC		 103#ifndef OBJ_COFF_MAX_AUXENTRIES
104#define OBJ_COFF_MAX_AUXENTRIES 1
105#endif /* OBJ_COFF_MAX_AUXENTRIES */
355afbcd
KR		 106
107
108extern const segT N_TYPE_seg[];
db40ba14
SC		 109
110/* Magic number of paged executable. */
111#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE 0x8300
112
113
114/* SYMBOL TABLE */
115
a39116f1 116/* targets may also set this */
db40ba14
SC		 117#ifndef SYMBOLS_NEED_BACKPOINTERS
118#define SYMBOLS_NEED_BACKPOINTERS 1
119#endif /* SYMBOLS_NEED_BACKPOINTERS */
120
121/* Symbol table entry data type */
122
355afbcd 123typedef struct
db40ba14 124{
355afbcd
KR		 125 struct internal_syment ost_entry; /* Basic symbol */
126 union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
127
128 unsigned int ost_flags; /* obj_coff internal use only flags */
129}
130
131obj_symbol_type;
db40ba14 132
410e67eb 133#ifndef DO_NOT_STRIP
db40ba14
SC		 134#define DO_NOT_STRIP 0
135#define DO_STRIP 1
410e67eb 136#endif
db40ba14
SC		 137/* Symbol table macros and constants */
138
355afbcd 139/* Possible and usefull section number in symbol table
db40ba14
SC		 140 * The values of TEXT, DATA and BSS may not be portable.
141 */
142
143#define C_ABS_SECTION N_ABS
144#define C_UNDEF_SECTION N_UNDEF
145#define C_DEBUG_SECTION N_DEBUG
146#define C_NTV_SECTION N_TV
147#define C_PTV_SECTION P_TV
148#define C_REGISTER_SECTION 20
149
150/*
151 * Macros to extract information from a symbol table entry.
152 * This syntaxic indirection allows independence regarding a.out or coff.
153 * The argument (s) of all these macros is a pointer to a symbol table entry.
154 */
155
156/* Predicates */
157/* True if the symbol is external */
158#define S_IS_EXTERNAL(s) ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
159/* True if symbol has been defined, ie :
a39116f1
RP		 160 section > 0 (DATA, TEXT or BSS)
161 section == 0 and value > 0 (external bss symbol) */
db40ba14
SC		 162#define S_IS_DEFINED(s) ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
163 ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
85051959 164 S_GET_VALUE (s) > 0))
db40ba14
SC		 165/* True if a debug special symbol entry */
166#define S_IS_DEBUG(s) ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
167/* True if a symbol is local symbol name */
c978e704
ILT		 168/* A symbol name whose name includes ^A is a gas internal pseudo symbol */
169#define S_IS_LOCAL(s) \
170 ((s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION \
171 || (S_LOCAL_NAME(s) && !flagseen['L']) \
604633ae 172 || (strchr (S_GET_NAME (s), '\001') != NULL))
db40ba14 173/* True if a symbol is not defined in this file */
85051959
ILT		 174#define S_IS_EXTERN(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \
175 && S_GET_VALUE (s) == 0)
db40ba14
SC		 176/*
177 * True if a symbol can be multiply defined (bss symbols have this def
178 * though it is bad practice)
179 */
85051959
ILT		 180#define S_IS_COMMON(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \
181 && S_GET_VALUE (s) != 0)
db40ba14
SC		 182/* True if a symbol name is in the string table, i.e. its length is > 8. */
183#define S_IS_STRING(s) (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
184
185/* Accessors */
186/* The name of the symbol */
187#define S_GET_NAME(s) ((char*)(s)->sy_symbol.ost_entry.n_offset)
188/* The pointer to the string table */
189#define S_GET_OFFSET(s) ((s)->sy_symbol.ost_entry.n_offset)
190/* The zeroes if symbol name is longer than 8 chars */
191#define S_GET_ZEROES(s) ((s)->sy_symbol.ost_entry.n_zeroes)
db40ba14
SC		 192/* The numeric value of the segment */
193#define S_GET_SEGMENT(s) s_get_segment(s)
194/* The data type */
195#define S_GET_DATA_TYPE(s) ((s)->sy_symbol.ost_entry.n_type)
196/* The storage class */
197#define S_GET_STORAGE_CLASS(s) ((s)->sy_symbol.ost_entry.n_sclass)
198/* The number of auxiliary entries */
199#define S_GET_NUMBER_AUXILIARY(s) ((s)->sy_symbol.ost_entry.n_numaux)
200
201/* Modifiers */
202/* Set the name of the symbol */
203#define S_SET_NAME(s,v) ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
204/* Set the offset of the symbol */
205#define S_SET_OFFSET(s,v) ((s)->sy_symbol.ost_entry.n_offset = (v))
206/* The zeroes if symbol name is longer than 8 chars */
207#define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v))
db40ba14
SC		 208/* The numeric value of the segment */
209#define S_SET_SEGMENT(s,v) ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
210/* The data type */
211#define S_SET_DATA_TYPE(s,v) ((s)->sy_symbol.ost_entry.n_type = (v))
212/* The storage class */
213#define S_SET_STORAGE_CLASS(s,v) ((s)->sy_symbol.ost_entry.n_sclass = (v))
214/* The number of auxiliary entries */
215#define S_SET_NUMBER_AUXILIARY(s,v) ((s)->sy_symbol.ost_entry.n_numaux = (v))
216
217/* Additional modifiers */
218/* The symbol is external (does not mean undefined) */
219#define S_SET_EXTERNAL(s) { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
220
221/* Auxiliary entry macros. SA_ stands for symbol auxiliary */
222/* Omit the tv related fields */
223/* Accessors */
224#ifdef BFD_HEADERS
225#define SA_GET_SYM_TAGNDX(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l)
226#else
227#define SA_GET_SYM_TAGNDX(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx)
228#endif
229#define SA_GET_SYM_LNNO(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno)
230#define SA_GET_SYM_SIZE(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size)
231#define SA_GET_SYM_FSIZE(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize)
232#define SA_GET_SYM_LNNOPTR(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr)
233#ifdef BFD_HEADERS
234#define SA_GET_SYM_ENDNDX(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l)
235#else
236#define SA_GET_SYM_ENDNDX(s) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx)
237#endif
238#define SA_GET_SYM_DIMEN(s,i) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)])
239#define SA_GET_FILE_FNAME(s) ((s)->sy_symbol.ost_auxent[0].x_file.x_fname)
240#define SA_GET_SCN_SCNLEN(s) ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen)
241#define SA_GET_SCN_NRELOC(s) ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc)
242#define SA_GET_SCN_NLINNO(s) ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno)
243
244/* Modifiers */
245#ifdef BFD_HEADERS
246#define SA_SET_SYM_TAGNDX(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l=(v))
247#else
248#define SA_SET_SYM_TAGNDX(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx=(v))
249#endif
250#define SA_SET_SYM_LNNO(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno=(v))
251#define SA_SET_SYM_SIZE(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size=(v))
252#define SA_SET_SYM_FSIZE(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize=(v))
253#define SA_SET_SYM_LNNOPTR(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
254#ifdef BFD_HEADERS
255#define SA_SET_SYM_ENDNDX(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
256#else
257#define SA_SET_SYM_ENDNDX(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx=(v))
258#endif
259#define SA_SET_SYM_DIMEN(s,i,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
260#define SA_SET_FILE_FNAME(s,v) strncpy((s)->sy_symbol.ost_auxent[0].x_file.x_fname,(v),FILNMLEN)
261#define SA_SET_SCN_SCNLEN(s,v) ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen=(v))
262#define SA_SET_SCN_NRELOC(s,v) ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc=(v))
263#define SA_SET_SCN_NLINNO(s,v) ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno=(v))
264
265/*
266 * Internal use only definitions. SF_ stands for symbol flags.
267 *
268 * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
269 *
270 * You'll break i960 if you shift the SYSPROC bits anywhere else. for
271 * more on the balname/callname hack, see tc-i960.h. b.out is done
272 * differently.
273 */
274
355afbcd
KR		 275#define SF_I960_MASK (0x000001ff) /* Bits 0-8 are used by the i960 port. */
276#define SF_SYSPROC (0x0000003f) /* bits 0-5 are used to store the sysproc number */
277#define SF_IS_SYSPROC (0x00000040) /* bit 6 marks symbols that are sysprocs */
278#define SF_BALNAME (0x00000080) /* bit 7 marks BALNAME symbols */
279#define SF_CALLNAME (0x00000100) /* bit 8 marks CALLNAME symbols */
db40ba14 280
355afbcd 281#define SF_NORMAL_MASK (0x0000ffff) /* bits 12-15 are general purpose. */
db40ba14 282
355afbcd
KR		 283#define SF_STATICS (0x00001000) /* Mark the .text & all symbols */
284#define SF_DEFINED (0x00002000) /* Symbol is defined in this file */
285#define SF_STRING (0x00004000) /* Symbol name length > 8 */
286#define SF_LOCAL (0x00008000) /* Symbol must not be emitted */
db40ba14 287
355afbcd 288#define SF_DEBUG_MASK (0xffff0000) /* bits 16-31 are debug info */
db40ba14 289
355afbcd
KR		 290#define SF_FUNCTION (0x00010000) /* The symbol is a function */
291#define SF_PROCESS (0x00020000) /* Process symbol before write */
292#define SF_TAGGED (0x00040000) /* Is associated with a tag */
293#define SF_TAG (0x00080000) /* Is a tag */
294#define SF_DEBUG (0x00100000) /* Is in debug or abs section */
295#define SF_GET_SEGMENT (0x00200000) /* Get the section of the forward symbol. */
a39116f1 296/* All other bits are unused. */
db40ba14
SC		 297
298/* Accessors */
299#define SF_GET(s) ((s)->sy_symbol.ost_flags)
300#define SF_GET_NORMAL_FIELD(s) ((s)->sy_symbol.ost_flags & SF_NORMAL_MASK)
301#define SF_GET_DEBUG_FIELD(s) ((s)->sy_symbol.ost_flags & SF_DEBUG_MASK)
302#define SF_GET_FILE(s) ((s)->sy_symbol.ost_flags & SF_FILE)
303#define SF_GET_STATICS(s) ((s)->sy_symbol.ost_flags & SF_STATICS)
304#define SF_GET_DEFINED(s) ((s)->sy_symbol.ost_flags & SF_DEFINED)
305#define SF_GET_STRING(s) ((s)->sy_symbol.ost_flags & SF_STRING)
306#define SF_GET_LOCAL(s) ((s)->sy_symbol.ost_flags & SF_LOCAL)
307#define SF_GET_FUNCTION(s) ((s)->sy_symbol.ost_flags & SF_FUNCTION)
308#define SF_GET_PROCESS(s) ((s)->sy_symbol.ost_flags & SF_PROCESS)
309#define SF_GET_DEBUG(s) ((s)->sy_symbol.ost_flags & SF_DEBUG)
310#define SF_GET_TAGGED(s) ((s)->sy_symbol.ost_flags & SF_TAGGED)
311#define SF_GET_TAG(s) ((s)->sy_symbol.ost_flags & SF_TAG)
312#define SF_GET_GET_SEGMENT(s) ((s)->sy_symbol.ost_flags & SF_GET_SEGMENT)
355afbcd
KR		 313#define SF_GET_I960(s) ((s)->sy_symbol.ost_flags & SF_I960_MASK) /* used by i960 */
314#define SF_GET_BALNAME(s) ((s)->sy_symbol.ost_flags & SF_BALNAME) /* used by i960 */
315#define SF_GET_CALLNAME(s) ((s)->sy_symbol.ost_flags & SF_CALLNAME) /* used by i960 */
316#define SF_GET_IS_SYSPROC(s) ((s)->sy_symbol.ost_flags & SF_IS_SYSPROC) /* used by i960 */
317#define SF_GET_SYSPROC(s) ((s)->sy_symbol.ost_flags & SF_SYSPROC) /* used by i960 */
db40ba14
SC		 318
319/* Modifiers */
320#define SF_SET(s,v) ((s)->sy_symbol.ost_flags = (v))
321#define SF_SET_NORMAL_FIELD(s,v)((s)->sy_symbol.ost_flags |= ((v) & SF_NORMAL_MASK))
322#define SF_SET_DEBUG_FIELD(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_DEBUG_MASK))
323#define SF_SET_FILE(s) ((s)->sy_symbol.ost_flags |= SF_FILE)
324#define SF_SET_STATICS(s) ((s)->sy_symbol.ost_flags |= SF_STATICS)
325#define SF_SET_DEFINED(s) ((s)->sy_symbol.ost_flags |= SF_DEFINED)
326#define SF_SET_STRING(s) ((s)->sy_symbol.ost_flags |= SF_STRING)
327#define SF_SET_LOCAL(s) ((s)->sy_symbol.ost_flags |= SF_LOCAL)
328#define SF_CLEAR_LOCAL(s) ((s)->sy_symbol.ost_flags &= ~SF_LOCAL)
329#define SF_SET_FUNCTION(s) ((s)->sy_symbol.ost_flags |= SF_FUNCTION)
330#define SF_SET_PROCESS(s) ((s)->sy_symbol.ost_flags |= SF_PROCESS)
331#define SF_SET_DEBUG(s) ((s)->sy_symbol.ost_flags |= SF_DEBUG)
332#define SF_SET_TAGGED(s) ((s)->sy_symbol.ost_flags |= SF_TAGGED)
333#define SF_SET_TAG(s) ((s)->sy_symbol.ost_flags |= SF_TAG)
334#define SF_SET_GET_SEGMENT(s) ((s)->sy_symbol.ost_flags |= SF_GET_SEGMENT)
355afbcd
KR		 335#define SF_SET_I960(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_I960_MASK)) /* used by i960 */
336#define SF_SET_BALNAME(s) ((s)->sy_symbol.ost_flags |= SF_BALNAME) /* used by i960 */
337#define SF_SET_CALLNAME(s) ((s)->sy_symbol.ost_flags |= SF_CALLNAME) /* used by i960 */
338#define SF_SET_IS_SYSPROC(s) ((s)->sy_symbol.ost_flags |= SF_IS_SYSPROC) /* used by i960 */
339#define SF_SET_SYSPROC(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_SYSPROC)) /* used by i960 */
db40ba14
SC		 340
341/* File header macro and type definition */
342
343/*
344 * File position calculators. Beware to use them when all the
345 * appropriate fields are set in the header.
346 */
347
348#ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
349#define OBJ_COFF_AOUTHDRSZ (0)
350#else
351#define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
352#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
353
354#define H_GET_FILE_SIZE(h) \
355 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
356 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
357 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
358 H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
359 H_GET_SYMBOL_TABLE_SIZE(h) + \
360 (h)->string_table_size)
361#define H_GET_TEXT_FILE_OFFSET(h) \
362 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
363 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
364#define H_GET_DATA_FILE_OFFSET(h) \
365 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
366 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
367 H_GET_TEXT_SIZE(h))
368#define H_GET_BSS_FILE_OFFSET(h) 0
369#define H_GET_RELOCATION_FILE_OFFSET(h) \
370 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
371 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
372 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
373#define H_GET_LINENO_FILE_OFFSET(h) \
374 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
375 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
376 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
377 H_GET_RELOCATION_SIZE(h))
378#define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
379 (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
380 H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
381 H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
382 H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
383
384/* Accessors */
385/* aouthdr */
386#define H_GET_MAGIC_NUMBER(h) ((h)->aouthdr.magic)
387#define H_GET_VERSION_STAMP(h) ((h)->aouthdr.vstamp)
388#define H_GET_TEXT_SIZE(h) ((h)->aouthdr.tsize)
389#define H_GET_DATA_SIZE(h) ((h)->aouthdr.dsize)
390#define H_GET_BSS_SIZE(h) ((h)->aouthdr.bsize)
391#define H_GET_ENTRY_POINT(h) ((h)->aouthdr.entry)
392#define H_GET_TEXT_START(h) ((h)->aouthdr.text_start)
393#define H_GET_DATA_START(h) ((h)->aouthdr.data_start)
394/* filehdr */
395#define H_GET_FILE_MAGIC_NUMBER(h) ((h)->filehdr.f_magic)
396#define H_GET_NUMBER_OF_SECTIONS(h) ((h)->filehdr.f_nscns)
397#define H_GET_TIME_STAMP(h) ((h)->filehdr.f_timdat)
398#define H_GET_SYMBOL_TABLE_POINTER(h) ((h)->filehdr.f_symptr)
399#define H_GET_SYMBOL_COUNT(h) ((h)->filehdr.f_nsyms)
400#define H_GET_SYMBOL_TABLE_SIZE(h) (H_GET_SYMBOL_COUNT(h) * SYMESZ)
401#define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
402#define H_GET_FLAGS(h) ((h)->filehdr.f_flags)
403/* Extra fields to achieve bsd a.out compatibility and for convenience */
404#define H_GET_RELOCATION_SIZE(h) ((h)->relocation_size)
405#define H_GET_STRING_SIZE(h) ((h)->string_table_size)
406#define H_GET_LINENO_SIZE(h) ((h)->lineno_size)
407
408#ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
409#define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \
410 + sizeof(AOUTHDR)\
411 + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
412#else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
413#define H_GET_HEADER_SIZE(h) (sizeof(FILHDR) \
414 + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
415#endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
416
417#define H_GET_TEXT_RELOCATION_SIZE(h) (text_section_header.s_nreloc * RELSZ)
418#define H_GET_DATA_RELOCATION_SIZE(h) (data_section_header.s_nreloc * RELSZ)
419
420/* Modifiers */
421/* aouthdr */
422#define H_SET_MAGIC_NUMBER(h,v) ((h)->aouthdr.magic = (v))
423#define H_SET_VERSION_STAMP(h,v) ((h)->aouthdr.vstamp = (v))
424#define H_SET_TEXT_SIZE(h,v) ((h)->aouthdr.tsize = (v))
425#define H_SET_DATA_SIZE(h,v) ((h)->aouthdr.dsize = (v))
426#define H_SET_BSS_SIZE(h,v) ((h)->aouthdr.bsize = (v))
427#define H_SET_ENTRY_POINT(h,v) ((h)->aouthdr.entry = (v))
428#define H_SET_TEXT_START(h,v) ((h)->aouthdr.text_start = (v))
429#define H_SET_DATA_START(h,v) ((h)->aouthdr.data_start = (v))
430/* filehdr */
431#define H_SET_FILE_MAGIC_NUMBER(h,v) ((h)->filehdr.f_magic = (v))
432#define H_SET_NUMBER_OF_SECTIONS(h,v) ((h)->filehdr.f_nscns = (v))
433#define H_SET_TIME_STAMP(h,v) ((h)->filehdr.f_timdat = (v))
434#define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
435#define H_SET_SYMBOL_TABLE_SIZE(h,v) ((h)->filehdr.f_nsyms = (v))
436#define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
437#define H_SET_FLAGS(h,v) ((h)->filehdr.f_flags = (v))
438/* Extra fields to achieve bsd a.out compatibility and for convinience */
439#define H_SET_RELOCATION_SIZE(h,t,d) ((h)->relocation_size = (t)+(d))
440#define H_SET_STRING_SIZE(h,v) ((h)->string_table_size = (v))
441#define H_SET_LINENO_SIZE(h,v) ((h)->lineno_size = (v))
442
a39116f1 443/* Segment flipping */
db40ba14 444
355afbcd
KR		 445typedef struct
446 {
db40ba14 447#ifdef BFD_HEADERS
355afbcd
KR		 448 struct internal_aouthdr aouthdr; /* a.out header */
449 struct internal_filehdr filehdr; /* File header, not machine dep. */
db40ba14 450#else
355afbcd
KR		 451 AOUTHDR aouthdr; /* a.out header */
452 FILHDR filehdr; /* File header, not machine dep. */
db40ba14 453#endif
355afbcd
KR		 454 long string_table_size; /* names + '\0' + sizeof(int) */
455 long relocation_size; /* Cumulated size of relocation
db40ba14
SC		 456 information for all sections in
457 bytes. */
355afbcd 458 long lineno_size; /* Size of the line number information
db40ba14 459 table in bytes */
355afbcd
KR		 460 }
461
462object_headers;
db40ba14
SC		 463
464
465
466struct lineno_list
467{
355afbcd
KR		 468
469 struct bfd_internal_lineno line;
470 char *frag; /* Frag to which the line number is related */
471 struct lineno_list *next; /* Forward chain pointer */
472};
db40ba14
SC		 473
474
475
476
a39116f1 477/* stack stuff */
355afbcd
KR		 478typedef struct
479 {
480 unsigned long chunk_size;
481 unsigned long element_size;
482 unsigned long size;
483 char *data;
484 unsigned long pointer;
485 }
486
487stack;
488
604633ae 489#define obj_segment_name(i) (segment_info[(int) (i)].scnhdr.s_name)
db40ba14 490
604633ae 491#define obj_add_segment(s) obj_coff_add_segment (s)
db40ba14 492
604633ae 493extern segT obj_coff_add_segment PARAMS ((const char *));
db40ba14 494
604633ae 495extern void obj_coff_section PARAMS ((int));
db40ba14 496
604633ae
ILT		 497extern void c_dot_file_symbol PARAMS ((char *filename));
498extern void obj_extra_stuff PARAMS ((object_headers * headers));
499extern void stack_delete PARAMS ((stack * st));
db40ba14 500
604633ae
ILT		 501extern segT s_get_segment PARAMS ((struct symbol * ptr));
502
503extern void c_section_header PARAMS ((struct internal_scnhdr * header,
504 char *name,
505 long core_address,
506 long size,
507 long data_ptr,
508 long reloc_ptr,
509 long lineno_ptr,
510 long reloc_number,
511 long lineno_number,
512 long alignment));
db40ba14
SC		 513
514
a39116f1 515/* sanity check */
db40ba14
SC		 516
517#ifdef TC_I960
518#ifndef C_LEAFSTAT
355afbcd 519hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
db40ba14
SC		 520#endif /* no C_LEAFSTAT */
521#endif /* TC_I960 */
522#ifdef BFD_HEADERS
355afbcd 523extern struct internal_scnhdr data_section_header;
db40ba14
SC		 524extern struct internal_scnhdr text_section_header;
525#else
526extern SCNHDR data_section_header;
527extern SCNHDR text_section_header;
528#endif
a39116f1 529
5868b1fe
ILT		 530/* Forward the segment of a forwarded symbol. */
531#define obj_frob_forward_symbol(symp) \
532 (SF_GET_GET_SEGMENT (symp) \
533 ? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \
534 : 0)
535
8f3956b3
SS		 536/* Stabs in a coff file go into their own section. */
537
4064305e
SS		 538#define SEPARATE_STAB_SECTIONS
539
8f3956b3
SS		 540/* We need 12 bytes at the start of the section to hold some initial
541 information. */
542
543extern void obj_coff_init_stab_section PARAMS ((segT));
544
545#define INIT_STAB_SECTION(seg) obj_coff_init_stab_section (seg)
546
547#endif /* OBJ_FORMAT_H */
GDB Binutils - Deliverables
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