gas/config/obj-coff.h

   1 /* coff object file format
   2    Copyright (C) 1989, 1990, 1991 Free Software Foundation, Inc.
   3
   4 This file is part of GAS.
   5
   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.
  10
  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.
  15
  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.  */
  19
  20 /* $Id$ */
  21
  22 #define OBJ_COFF 1
  23
  24 #include "targ-cpu.h"
  25
  26
  27
  28 #ifdef BFD_HEADERS
  29 #ifdef TC_A29K
  30 #include "bfd.h"
  31 #include "coff-a29k.h"
  32
  33 /* This internal_lineno crap is to stop namespace pollution from the bfd internal
  34    coff headerfile. */
  35
  36
  37 #define internal_lineno bfd_internal_lineno
  38 #include "internalcoff.h"
  39 #undef internal_lineno
  40 /*
  41 #undef RELOC
  42 #undef SYMENT
  43 #undef AUXENT
  44 #undef LINENO
  45 #undef FILHDR
  46 #undef SCNHDR
  47 #define RELOC struct internal_reloc
  48 #define SYMENT struct internal_syment
  49 #define AUXENT union internal_auxent
  50 #define SCNHDR struct internal_scnhdr
  51 #define LINENO struct bfd_internal_lineno
  52 #define AOUTHDR struct internal_aouthdr
  53 #define FILHDR struct internal_filehdr
  54 #define AOUTHDRSZ sizeof(struct external_aouthdr)
  55 */
  56 /*#define x_endndx x_endndx.l
  57 #define x_tagndx x_tagndx.l*/
  58 #define TARGET_FORMAT "coff-a29k-big"
  59 extern bfd *stdoutput;
  60 #else
  61 help me
  62 #endif
  63 #else
  64 #include "coff.gnu.h"
  65 #endif
  66
  67 #ifdef USE_NATIVE_HEADERS
  68 #include <filehdr.h>
  69 #include <aouthdr.h>
  70 #include <scnhdr.h>
  71 #include <storclass.h>
  72 #include <linenum.h>
  73 #include <syms.h>
  74 #include <reloc.h>
  75 #include <sys/types.h>
  76 #endif /* USE_NATIVE_HEADERS */
  77
  78 /* Define some processor dependent values according to the processor we are
  79    on. */
  80 #ifdef TC_M68K
  81
  82 #define BYTE_ORDERING           F_AR32W    /* See filehdr.h for more info. */
  83 #ifndef FILE_HEADER_MAGIC
  84 #define FILE_HEADER_MAGIC       MC68MAGIC  /* ... */
  85 #endif /* FILE_HEADER_MAGIC */
  86
  87 #elif defined(TC_I386)
  88
  89 #define BYTE_ORDERING           F_AR32WR   /* See filehdr.h for more info. */
  90 #ifndef FILE_HEADER_MAGIC
  91 #define FILE_HEADER_MAGIC       I386MAGIC  /* ... */
  92 #endif /* FILE_HEADER_MAGIC */
  93
  94 #elif defined(TC_I960)
  95
  96 #define BYTE_ORDERING           F_AR32WR   /* See filehdr.h for more info. */
  97 #ifndef FILE_HEADER_MAGIC
  98 #define FILE_HEADER_MAGIC       I960ROMAGIC  /* ... */
  99 #endif /* FILE_HEADER_MAGIC */
 100
 101 #elif defined(TC_A29K)
 102
 103 #define BYTE_ORDERING           F_AR32W /* big endian. */
 104 #ifndef FILE_HEADER_MAGIC
 105 #define FILE_HEADER_MAGIC       SIPFBOMAGIC
 106 #endif /* FILE_HEADER_MAGIC */
 107
 108 #else
 109 you lose
 110 #endif
 111
 112 #ifndef OBJ_COFF_MAX_AUXENTRIES
 113 #define OBJ_COFF_MAX_AUXENTRIES 1
 114 #endif /* OBJ_COFF_MAX_AUXENTRIES */
 115
 116 extern const short seg_N_TYPE[];
 117 extern const segT  N_TYPE_seg[];
 118
 119 /* Magic number of paged executable. */
 120 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE    (OMAGIC)
 121
 122 #ifndef BFD_HEADERS
 123
 124 /* Add these definitions to have a consistent convention for all the
 125    types used in COFF format. */
 126 #define AOUTHDR                 struct aouthdr
 127 #define AOUTHDRSZ               sizeof(AOUTHDR)
 128 #endif
 129
 130 /* SYMBOL TABLE */
 131
 132  /* targets may also set this */
 133 #ifndef SYMBOLS_NEED_BACKPOINTERS
 134 #define SYMBOLS_NEED_BACKPOINTERS 1
 135 #endif /* SYMBOLS_NEED_BACKPOINTERS */
 136
 137 /* Symbol table entry data type */
 138
 139 typedef struct {
 140 #ifdef BFD_HEADERS
 141         struct internal_syment  ost_entry;       /* Basic symbol */
 142         union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES];      /* Auxiliary entry. */
 143 #else
 144         SYMENT ost_entry;       /* Basic symbol */
 145         AUXENT ost_auxent[OBJ_COFF_MAX_AUXENTRIES];      /* Auxiliary entry. */
 146 #endif
 147         unsigned int ost_flags; /* obj_coff internal use only flags */
 148 } obj_symbol_type;
 149
 150 /* If compiler generate leading underscores, remove them. */
 151
 152 #ifndef STRIP_UNDERSCORE
 153 #define STRIP_UNDERSCORE 0
 154 #endif /* STRIP_UNDERSCORE */
 155 #define DO_NOT_STRIP    0
 156 #define DO_STRIP        1
 157
 158 /* Symbol table macros and constants */
 159
 160 /* Possible and usefull section number in symbol table
 161  * The values of TEXT, DATA and BSS may not be portable.
 162  */
 163
 164 #define C_TEXT_SECTION          ((short)1)
 165 #define C_DATA_SECTION          ((short)2)
 166 #define C_BSS_SECTION           ((short)3)
 167 #define C_ABS_SECTION           N_ABS
 168 #define C_UNDEF_SECTION         N_UNDEF
 169 #define C_DEBUG_SECTION         N_DEBUG
 170 #define C_NTV_SECTION           N_TV
 171 #define C_PTV_SECTION           P_TV
 172 #define C_REGISTER_SECTION      4
 173
 174 /*
 175  *  Macros to extract information from a symbol table entry.
 176  *  This syntaxic indirection allows independence regarding a.out or coff.
 177  *  The argument (s) of all these macros is a pointer to a symbol table entry.
 178  */
 179
 180 /* Predicates */
 181 /* True if the symbol is external */
 182 #define S_IS_EXTERNAL(s)        ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
 183 /* True if symbol has been defined, ie :
 184   section > 0 (DATA, TEXT or BSS)
 185   section == 0 and value > 0 (external bss symbol) */
 186 #define S_IS_DEFINED(s)         ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
 187                                  ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
 188                                   (s)->sy_symbol.ost_entry.n_value > 0))
 189 /* True if a debug special symbol entry */
 190 #define S_IS_DEBUG(s)           ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
 191 /* True if a symbol is local symbol name */
 192 /* A symbol name whose name begin with ^A is a gas internal pseudo symbol */
 193 #define S_IS_LOCAL(s)           (S_GET_NAME(s)[0] == '\001' || \
 194                                  (s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION || \
 195                                  (S_LOCAL_NAME(s) && !flagseen['L']))
 196 /* True if a symbol is not defined in this file */
 197 #define S_IS_EXTERN(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 && (s)->sy_symbol.ost_entry.n_value == 0)
 198 /*
 199  * True if a symbol can be multiply defined (bss symbols have this def
 200  * though it is bad practice)
 201  */
 202 #define S_IS_COMMON(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 && (s)->sy_symbol.ost_entry.n_value != 0)
 203 /* True if a symbol name is in the string table, i.e. its length is > 8. */
 204 #define S_IS_STRING(s)          (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
 205
 206 /* Accessors */
 207 /* The name of the symbol */
 208 #define S_GET_NAME(s)           ((char*)(s)->sy_symbol.ost_entry.n_offset)
 209 /* The pointer to the string table */
 210 #define S_GET_OFFSET(s)         ((s)->sy_symbol.ost_entry.n_offset)
 211 /* The zeroes if symbol name is longer than 8 chars */
 212 #define S_GET_ZEROES(s)         ((s)->sy_symbol.ost_entry.n_zeroes)
 213 /* The value of the symbol */
 214 #define S_GET_VALUE(s)          ((unsigned) ((s)->sy_symbol.ost_entry.n_value))
 215 /* The numeric value of the segment */
 216 #define S_GET_SEGMENT(s)        (N_TYPE_seg[(s)->sy_symbol.ost_entry.n_scnum+4])
 217 /* The data type */
 218 #define S_GET_DATA_TYPE(s)      ((s)->sy_symbol.ost_entry.n_type)
 219 /* The storage class */
 220 #define S_GET_STORAGE_CLASS(s)  ((s)->sy_symbol.ost_entry.n_sclass)
 221 /* The number of auxiliary entries */
 222 #define S_GET_NUMBER_AUXILIARY(s)       ((s)->sy_symbol.ost_entry.n_numaux)
 223
 224 /* Modifiers */
 225 /* Set the name of the symbol */
 226 #define S_SET_NAME(s,v)         ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
 227 /* Set the offset of the symbol */
 228 #define S_SET_OFFSET(s,v)       ((s)->sy_symbol.ost_entry.n_offset = (v))
 229 /* The zeroes if symbol name is longer than 8 chars */
 230 #define S_SET_ZEROES(s,v)               ((s)->sy_symbol.ost_entry.n_zeroes = (v))
 231 /* Set the value of the symbol */
 232 #define S_SET_VALUE(s,v)        ((s)->sy_symbol.ost_entry.n_value = (v))
 233 /* The numeric value of the segment */
 234 #define S_SET_SEGMENT(s,v)      ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
 235 /* The data type */
 236 #define S_SET_DATA_TYPE(s,v)    ((s)->sy_symbol.ost_entry.n_type = (v))
 237 /* The storage class */
 238 #define S_SET_STORAGE_CLASS(s,v)        ((s)->sy_symbol.ost_entry.n_sclass = (v))
 239 /* The number of auxiliary entries */
 240 #define S_SET_NUMBER_AUXILIARY(s,v)     ((s)->sy_symbol.ost_entry.n_numaux = (v))
 241
 242 /* Additional modifiers */
 243 /* The symbol is external (does not mean undefined) */
 244 #define S_SET_EXTERNAL(s)       { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
 245
 246 /* Auxiliary entry macros. SA_ stands for symbol auxiliary */
 247 /* Omit the tv related fields */
 248 /* Accessors */
 249 #ifdef BFD_HEADERS
 250 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l)
 251 #else
 252 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx)
 253 #endif
 254 #define SA_GET_SYM_LNNO(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno)
 255 #define SA_GET_SYM_SIZE(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size)
 256 #define SA_GET_SYM_FSIZE(s)     ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize)
 257 #define SA_GET_SYM_LNNOPTR(s)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr)
 258 #ifdef BFD_HEADERS
 259 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l)
 260 #else
 261 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx)
 262 #endif
 263 #define SA_GET_SYM_DIMEN(s,i)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)])
 264 #define SA_GET_FILE_FNAME(s)    ((s)->sy_symbol.ost_auxent[0].x_file.x_fname)
 265 #define SA_GET_SCN_SCNLEN(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen)
 266 #define SA_GET_SCN_NRELOC(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc)
 267 #define SA_GET_SCN_NLINNO(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno)
 268
 269 /* Modifiers */
 270 #ifdef BFD_HEADERS
 271 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l=(v))
 272 #else
 273 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx=(v))
 274 #endif
 275 #define SA_SET_SYM_LNNO(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno=(v))
 276 #define SA_SET_SYM_SIZE(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size=(v))
 277 #define SA_SET_SYM_FSIZE(s,v)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize=(v))
 278 #define SA_SET_SYM_LNNOPTR(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
 279 #ifdef BFD_HEADERS
 280 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
 281 #else
 282 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx=(v))
 283 #endif
 284 #define SA_SET_SYM_DIMEN(s,i,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
 285 #define SA_SET_FILE_FNAME(s,v)  strncpy((s)->sy_symbol.ost_auxent[0].x_file.x_fname,(v),FILNMLEN)
 286 #define SA_SET_SCN_SCNLEN(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen=(v))
 287 #define SA_SET_SCN_NRELOC(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc=(v))
 288 #define SA_SET_SCN_NLINNO(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno=(v))
 289
 290 /*
 291  * Internal use only definitions. SF_ stands for symbol flags.
 292  *
 293  * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
 294  *
 295  * You'll break i960 if you shift the SYSPROC bits anywhere else.  for
 296  * more on the balname/callname hack, see tc-i960.h.  b.out is done
 297  * differently.
 298  */
 299
 300 #define SF_I960_MASK    (0x000001ff) /* Bits 0-8 are used by the i960 port. */
 301 #define SF_SYSPROC      (0x0000003f)         /* bits 0-5 are used to store the sysproc number */
 302 #define SF_IS_SYSPROC   (0x00000040)         /* bit 6 marks symbols that are sysprocs */
 303 #define SF_BALNAME      (0x00000080)         /* bit 7 marks BALNAME symbols */
 304 #define SF_CALLNAME     (0x00000100)         /* bit 8 marks CALLNAME symbols */
 305
 306 #define SF_NORMAL_MASK  (0x0000ffff) /* bits 12-15 are general purpose. */
 307
 308 #define SF_STATICS      (0x00001000)         /* Mark the .text & all symbols */
 309 #define SF_DEFINED      (0x00002000)         /* Symbol is defined in this file */
 310 #define SF_STRING       (0x00004000)         /* Symbol name length > 8 */
 311 #define SF_LOCAL        (0x00008000)         /* Symbol must not be emitted */
 312
 313 #define SF_DEBUG_MASK   (0xffff0000) /* bits 16-31 are debug info */
 314
 315 #define SF_FUNCTION     (0x00010000)         /* The symbol is a function */
 316 #define SF_PROCESS      (0x00020000)         /* Process symbol before write */
 317 #define SF_TAGGED       (0x00040000)         /* Is associated with a tag */
 318 #define SF_TAG          (0x00080000)         /* Is a tag */
 319 #define SF_DEBUG        (0x00100000)         /* Is in debug or abs section */
 320 #define SF_GET_SEGMENT  (0x00200000)         /* Get the section of the forward symbol. */
 321  /* All other bits are unused. */
 322
 323 /* Accessors */
 324 #define SF_GET(s)               ((s)->sy_symbol.ost_flags)
 325 #define SF_GET_NORMAL_FIELD(s)  ((s)->sy_symbol.ost_flags & SF_NORMAL_MASK)
 326 #define SF_GET_DEBUG_FIELD(s)   ((s)->sy_symbol.ost_flags & SF_DEBUG_MASK)
 327 #define SF_GET_FILE(s)          ((s)->sy_symbol.ost_flags & SF_FILE)
 328 #define SF_GET_STATICS(s)       ((s)->sy_symbol.ost_flags & SF_STATICS)
 329 #define SF_GET_DEFINED(s)       ((s)->sy_symbol.ost_flags & SF_DEFINED)
 330 #define SF_GET_STRING(s)        ((s)->sy_symbol.ost_flags & SF_STRING)
 331 #define SF_GET_LOCAL(s)         ((s)->sy_symbol.ost_flags & SF_LOCAL)
 332 #define SF_GET_FUNCTION(s)      ((s)->sy_symbol.ost_flags & SF_FUNCTION)
 333 #define SF_GET_PROCESS(s)       ((s)->sy_symbol.ost_flags & SF_PROCESS)
 334 #define SF_GET_DEBUG(s)         ((s)->sy_symbol.ost_flags & SF_DEBUG)
 335 #define SF_GET_TAGGED(s)        ((s)->sy_symbol.ost_flags & SF_TAGGED)
 336 #define SF_GET_TAG(s)           ((s)->sy_symbol.ost_flags & SF_TAG)
 337 #define SF_GET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags & SF_GET_SEGMENT)
 338 #define SF_GET_I960(s)          ((s)->sy_symbol.ost_flags & SF_I960_MASK) /* used by i960 */
 339 #define SF_GET_BALNAME(s)       ((s)->sy_symbol.ost_flags & SF_BALNAME) /* used by i960 */
 340 #define SF_GET_CALLNAME(s)      ((s)->sy_symbol.ost_flags & SF_CALLNAME) /* used by i960 */
 341 #define SF_GET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags & SF_IS_SYSPROC) /* used by i960 */
 342 #define SF_GET_SYSPROC(s)       ((s)->sy_symbol.ost_flags & SF_SYSPROC) /* used by i960 */
 343
 344 /* Modifiers */
 345 #define SF_SET(s,v)             ((s)->sy_symbol.ost_flags = (v))
 346 #define SF_SET_NORMAL_FIELD(s,v)((s)->sy_symbol.ost_flags |= ((v) & SF_NORMAL_MASK))
 347 #define SF_SET_DEBUG_FIELD(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_DEBUG_MASK))
 348 #define SF_SET_FILE(s)          ((s)->sy_symbol.ost_flags |= SF_FILE)
 349 #define SF_SET_STATICS(s)       ((s)->sy_symbol.ost_flags |= SF_STATICS)
 350 #define SF_SET_DEFINED(s)       ((s)->sy_symbol.ost_flags |= SF_DEFINED)
 351 #define SF_SET_STRING(s)        ((s)->sy_symbol.ost_flags |= SF_STRING)
 352 #define SF_SET_LOCAL(s)         ((s)->sy_symbol.ost_flags |= SF_LOCAL)
 353 #define SF_CLEAR_LOCAL(s)       ((s)->sy_symbol.ost_flags &= ~SF_LOCAL)
 354 #define SF_SET_FUNCTION(s)      ((s)->sy_symbol.ost_flags |= SF_FUNCTION)
 355 #define SF_SET_PROCESS(s)       ((s)->sy_symbol.ost_flags |= SF_PROCESS)
 356 #define SF_SET_DEBUG(s)         ((s)->sy_symbol.ost_flags |= SF_DEBUG)
 357 #define SF_SET_TAGGED(s)        ((s)->sy_symbol.ost_flags |= SF_TAGGED)
 358 #define SF_SET_TAG(s)           ((s)->sy_symbol.ost_flags |= SF_TAG)
 359 #define SF_SET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags |= SF_GET_SEGMENT)
 360 #define SF_SET_I960(s,v)        ((s)->sy_symbol.ost_flags |= ((v) & SF_I960_MASK)) /* used by i960 */
 361 #define SF_SET_BALNAME(s)       ((s)->sy_symbol.ost_flags |= SF_BALNAME) /* used by i960 */
 362 #define SF_SET_CALLNAME(s)      ((s)->sy_symbol.ost_flags |= SF_CALLNAME) /* used by i960 */
 363 #define SF_SET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags |= SF_IS_SYSPROC) /* used by i960 */
 364 #define SF_SET_SYSPROC(s,v)     ((s)->sy_symbol.ost_flags |= ((v) & SF_SYSPROC)) /* used by i960 */
 365
 366 /* File header macro and type definition */
 367
 368 /*
 369  * File position calculators. Beware to use them when all the
 370  * appropriate fields are set in the header.
 371  */
 372
 373 #ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
 374 #define OBJ_COFF_AOUTHDRSZ (0)
 375 #else
 376 #define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
 377 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 378
 379 #define H_GET_FILE_SIZE(h) \
 380     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 381            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 382            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 383            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
 384            H_GET_SYMBOL_TABLE_SIZE(h) + \
 385            (h)->string_table_size)
 386 #define H_GET_TEXT_FILE_OFFSET(h) \
 387     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 388            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
 389 #define H_GET_DATA_FILE_OFFSET(h) \
 390     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 391            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 392            H_GET_TEXT_SIZE(h))
 393 #define H_GET_BSS_FILE_OFFSET(h) 0
 394 #define H_GET_RELOCATION_FILE_OFFSET(h) \
 395     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 396            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 397            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
 398 #define H_GET_LINENO_FILE_OFFSET(h) \
 399     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 400            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 401            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 402            H_GET_RELOCATION_SIZE(h))
 403 #define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
 404     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 405            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 406            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 407            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
 408
 409 /* Accessors */
 410 /* aouthdr */
 411 #define H_GET_MAGIC_NUMBER(h)           ((h)->aouthdr.magic)
 412 #define H_GET_VERSION_STAMP(h)          ((h)->aouthdr.vstamp)
 413 #define H_GET_TEXT_SIZE(h)              ((h)->aouthdr.tsize)
 414 #define H_GET_DATA_SIZE(h)              ((h)->aouthdr.dsize)
 415 #define H_GET_BSS_SIZE(h)               ((h)->aouthdr.bsize)
 416 #define H_GET_ENTRY_POINT(h)            ((h)->aouthdr.entry)
 417 #define H_GET_TEXT_START(h)             ((h)->aouthdr.text_start)
 418 #define H_GET_DATA_START(h)             ((h)->aouthdr.data_start)
 419 /* filehdr */
 420 #define H_GET_FILE_MAGIC_NUMBER(h)      ((h)->filehdr.f_magic)
 421 #define H_GET_NUMBER_OF_SECTIONS(h)     ((h)->filehdr.f_nscns)
 422 #define H_GET_TIME_STAMP(h)             ((h)->filehdr.f_timdat)
 423 #define H_GET_SYMBOL_TABLE_POINTER(h)   ((h)->filehdr.f_symptr)
 424 #define H_GET_SYMBOL_COUNT(h)           ((h)->filehdr.f_nsyms)
 425 #define H_GET_SYMBOL_TABLE_SIZE(h)      (H_GET_SYMBOL_COUNT(h) * SYMESZ)
 426 #define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
 427 #define H_GET_FLAGS(h)                  ((h)->filehdr.f_flags)
 428 /* Extra fields to achieve bsd a.out compatibility and for convenience */
 429 #define H_GET_RELOCATION_SIZE(h)        ((h)->relocation_size)
 430 #define H_GET_STRING_SIZE(h)            ((h)->string_table_size)
 431 #define H_GET_LINENO_SIZE(h)            ((h)->lineno_size)
 432
 433 #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
 434 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 435                                          + sizeof(AOUTHDR)\
 436                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 437 #else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 438 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 439                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 440 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 441
 442 #define H_GET_TEXT_RELOCATION_SIZE(h)   (text_section_header.s_nreloc * RELSZ)
 443 #define H_GET_DATA_RELOCATION_SIZE(h)   (data_section_header.s_nreloc * RELSZ)
 444
 445 /* Modifiers */
 446 /* aouthdr */
 447 #define H_SET_MAGIC_NUMBER(h,v)         ((h)->aouthdr.magic = (v))
 448 #define H_SET_VERSION_STAMP(h,v)        ((h)->aouthdr.vstamp = (v))
 449 #define H_SET_TEXT_SIZE(h,v)            ((h)->aouthdr.tsize = (v))
 450 #define H_SET_DATA_SIZE(h,v)            ((h)->aouthdr.dsize = (v))
 451 #define H_SET_BSS_SIZE(h,v)             ((h)->aouthdr.bsize = (v))
 452 #define H_SET_ENTRY_POINT(h,v)          ((h)->aouthdr.entry = (v))
 453 #define H_SET_TEXT_START(h,v)           ((h)->aouthdr.text_start = (v))
 454 #define H_SET_DATA_START(h,v)           ((h)->aouthdr.data_start = (v))
 455 /* filehdr */
 456 #define H_SET_FILE_MAGIC_NUMBER(h,v)    ((h)->filehdr.f_magic = (v))
 457 #define H_SET_NUMBER_OF_SECTIONS(h,v)   ((h)->filehdr.f_nscns = (v))
 458 #define H_SET_TIME_STAMP(h,v)           ((h)->filehdr.f_timdat = (v))
 459 #define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
 460 #define H_SET_SYMBOL_TABLE_SIZE(h,v)    ((h)->filehdr.f_nsyms = (v))
 461 #define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
 462 #define H_SET_FLAGS(h,v)                ((h)->filehdr.f_flags = (v))
 463 /* Extra fields to achieve bsd a.out compatibility and for convinience */
 464 #define H_SET_RELOCATION_SIZE(h,t,d)    ((h)->relocation_size = (t)+(d))
 465 #define H_SET_STRING_SIZE(h,v)          ((h)->string_table_size = (v))
 466 #define H_SET_LINENO_SIZE(h,v)          ((h)->lineno_size = (v))
 467
 468  /* Segment flipping */
 469 #define segment_name(v) (seg_name[(int) (v)])
 470
 471 typedef struct {
 472 #ifdef BFD_HEADERS
 473     struct internal_aouthdr        aouthdr;             /* a.out header */
 474     struct internal_filehdr        filehdr;             /* File header, not machine dep. */
 475 #else
 476     AOUTHDR        aouthdr;             /* a.out header */
 477     FILHDR         filehdr;             /* File header, not machine dep. */
 478 #endif
 479     long       string_table_size;   /* names + '\0' + sizeof(int) */
 480     long           relocation_size;     /* Cumulated size of relocation
 481                                            information for all sections in
 482                                            bytes. */
 483     long           lineno_size;         /* Size of the line number information
 484                                            table in bytes */
 485 } object_headers;
 486
 487 /* --------------  Line number handling ------- */
 488 extern int              text_lineno_number;
 489
 490 /* line numbering stuff. */
 491
 492 typedef struct internal_lineno {
 493 #ifdef BFD_HEADERS
 494   struct bfd_internal_lineno line;
 495 #else
 496     LINENO line;                        /* The lineno structure itself */
 497 #endif
 498     char* frag;                         /* Frag to which the line number is related */
 499     struct internal_lineno* next;       /* Forward chain pointer */
 500 } lineno;
 501
 502 extern lineno *lineno_lastP;
 503 extern lineno *lineno_rootP;
 504 #define OBJ_EMIT_LINENO(a, b, c)        obj_emit_lineno((a),(b),(c))
 505
 506 #ifdef __STDC__
 507 void obj_emit_lineno(char **where, lineno *line, char *file_start);
 508 #else /* __STDC__ */
 509 void obj_emit_lineno();
 510 #endif /* __STDC__ */
 511
 512  /* stack stuff */
 513 typedef struct {
 514     unsigned long chunk_size;
 515     unsigned long element_size;
 516     unsigned long size;
 517     char*         data;
 518     unsigned long pointer;
 519 } stack;
 520
 521 #ifdef __STDC__
 522
 523 char *stack_pop(stack *st);
 524 char *stack_push(stack *st, char *element);
 525 char *stack_top(stack *st);
 526 stack *stack_init(unsigned long chunk_size, unsigned long element_size);
 527 void c_dot_file_symbol(char *filename);
 528 void obj_extra_stuff(object_headers *headers);
 529 void stack_delete(stack *st);
 530
 531 #ifndef tc_headers_hook
 532 void tc_headers_hook(object_headers *headers);
 533 #endif /* tc_headers_hook */
 534
 535 #ifndef tc_coff_symbol_emit_hook
 536 void tc_coff_symbol_emit_hook(); /* really tc_coff_symbol_emit_hook(symbolS *symbolP) */
 537 #endif /* tc_coff_symbol_emit_hook */
 538
 539 void c_section_header(
 540 #ifdef BFD_HEADERS
 541                       struct internal_scnhdr *header,
 542 #else
 543                       SCNHDR *header,
 544 #endif
 545
 546                       char *name,
 547                       long core_address,
 548                       long size,
 549                       long data_ptr,
 550                       long reloc_ptr,
 551                       long lineno_ptr,
 552                       long reloc_number,
 553                       long lineno_number,
 554                       long alignment);
 555
 556 #else /* __STDC__ */
 557
 558 char *stack_pop();
 559 char *stack_push();
 560 char *stack_top();
 561 stack *stack_init();
 562 void c_dot_file_symbol();
 563 void c_section_header();
 564 void obj_extra_stuff();
 565 void stack_delete();
 566 void tc_headers_hook();
 567 void tc_coff_symbol_emit_hook();
 568
 569 #endif /* __STDC__ */
 570
 571
 572  /* sanity check */
 573
 574 #ifdef TC_I960
 575 #ifndef C_LEAFSTAT
 576 hey!  Where is the C_LEAFSTAT definition?  i960-coff support is depending on it.
 577 #endif /* no C_LEAFSTAT */
 578 #endif /* TC_I960 */
 579 #ifdef BFD_HEADERS
 580 extern struct internal_scnhdr data_section_header;
 581 extern struct internal_scnhdr text_section_header;
 582 #else
 583 extern SCNHDR data_section_header;
 584 extern SCNHDR text_section_header;
 585 #endif
 586 /*
 587  * Local Variables:
 588  * comment-column: 0
 589  * fill-column: 131
 590  * End:
 591  */
 592
 593 /* end of obj-coff.h */