gas/config/obj-coff.h

   1 /* coff object file format
   2    Copyright (C) 1989, 1990, 1991, 1992 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 #define OBJ_COFF 1
  21
  22 #include "targ-cpu.h"
  23
  24
  25
  26 #ifdef BFD_HEADERS
  27 #ifdef TC_A29K
  28 #include "bfd.h"
  29 #include "coff/a29k.h"
  30
  31 /* This internal_lineno crap is to stop namespace pollution from the bfd internal
  32    coff headerfile. */
  33
  34 #define internal_lineno bfd_internal_lineno
  35 #include "coff/internal.h"
  36 #undef internal_lineno
  37 /*
  38   #undef RELOC
  39   #undef SYMENT
  40   #undef AUXENT
  41   #undef LINENO
  42   #undef FILHDR
  43   #undef SCNHDR
  44   #define RELOC struct internal_reloc
  45   #define SYMENT struct internal_syment
  46   #define AUXENT union internal_auxent
  47   #define SCNHDR struct internal_scnhdr
  48   #define LINENO struct bfd_internal_lineno
  49   #define AOUTHDR struct internal_aouthdr
  50   #define FILHDR struct internal_filehdr
  51   #define AOUTHDRSZ sizeof(struct external_aouthdr)
  52   */
  53 /*#define x_endndx x_endndx.l
  54   #define x_tagndx x_tagndx.l*/
  55 #define TARGET_FORMAT "coff-a29k-big"
  56 extern bfd *stdoutput;
  57
  58 #endif /* TC_A29K */
  59
  60 #ifdef TC_I386
  61 #  include "bfd.h"
  62 #  include "coff/i386.h"
  63 #  define internal_lineno bfd_internal_lineno
  64 #  include "coff/internal.h"
  65 #  undef internal_lineno
  66 #  define TARGET_FORMAT "coff-i386"
  67 extern bfd *stdoutput;
  68
  69 #endif /* TC_I386 */
  70
  71 #else /* not BFD_HEADERS */
  72
  73 #ifdef USE_NATIVE_HEADERS
  74 #include <filehdr.h>
  75 #include <aouthdr.h>
  76 #include <scnhdr.h>
  77 #include <storclass.h>
  78 #include <linenum.h>
  79 #include <syms.h>
  80 #include <reloc.h>
  81 #include <sys/types.h>
  82 #else /* not USE_NATIVE_HEADERS */
  83 #include "coff_gnu.h"
  84 #endif /* not USE_NATIVE_HEADERS */
  85
  86 #endif /* not BFD_HEADERS */
  87
  88 /* Define some processor dependent values according to the processor we are on. */
  89 #ifdef TC_M68K
  90
  91 #define BYTE_ORDERING           F_AR32W /* See filehdr.h for more info. */
  92 #ifndef FILE_HEADER_MAGIC
  93 #define FILE_HEADER_MAGIC       MC68MAGIC       /* ... */
  94 #endif /* FILE_HEADER_MAGIC */
  95
  96 #endif /* TC_M68K */
  97
  98 #if defined(TC_I386)
  99
 100 #define BYTE_ORDERING           F_AR32WR        /* See filehdr.h for more info. */
 101 #ifndef FILE_HEADER_MAGIC
 102 #define FILE_HEADER_MAGIC       I386MAGIC       /* ... */
 103 #endif /* FILE_HEADER_MAGIC */
 104
 105 #endif /* TC_I386 */
 106
 107 #if defined(TC_I960)
 108
 109 #define BYTE_ORDERING           F_AR32WR        /* See filehdr.h for more info. */
 110 #ifndef FILE_HEADER_MAGIC
 111 #define FILE_HEADER_MAGIC       I960ROMAGIC     /* ... */
 112 #endif /* FILE_HEADER_MAGIC */
 113
 114 #endif /* TC_I960 */
 115
 116 #if defined(TC_A29K)
 117
 118 #define BYTE_ORDERING           F_AR32W /* big endian. */
 119 #ifndef FILE_HEADER_MAGIC
 120 #define FILE_HEADER_MAGIC       SIPFBOMAGIC
 121 #endif /* FILE_HEADER_MAGIC */
 122
 123 #endif /* TC_A29K */
 124
 125 #ifndef OBJ_COFF_MAX_AUXENTRIES
 126 #define OBJ_COFF_MAX_AUXENTRIES 1
 127 #endif /* OBJ_COFF_MAX_AUXENTRIES */
 128
 129 extern const short seg_N_TYPE[];
 130 extern const segT N_TYPE_seg[];
 131
 132 /* Magic number of paged executable. */
 133 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE    (FILE_HEADER_MAGIC)
 134
 135 #ifndef BFD_HEADERS
 136
 137 /* Add these definitions to have a consistent convention for all the
 138    types used in COFF format. */
 139 #define AOUTHDR                 struct aouthdr
 140 #define AOUTHDRSZ               sizeof(AOUTHDR)
 141 #endif
 142
 143 /* SYMBOL TABLE */
 144
 145 /* targets may also set this */
 146 #ifndef SYMBOLS_NEED_BACKPOINTERS
 147 #define SYMBOLS_NEED_BACKPOINTERS 1
 148 #endif /* SYMBOLS_NEED_BACKPOINTERS */
 149
 150 /* Symbol table entry data type */
 151
 152 typedef struct
 153   {
 154 #ifdef BFD_HEADERS
 155     struct internal_syment ost_entry;   /* Basic symbol */
 156     union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES];  /* Auxiliary entry. */
 157 #else
 158     SYMENT ost_entry;           /* Basic symbol */
 159     AUXENT ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
 160 #endif
 161     unsigned int ost_flags;     /* obj_coff internal use only flags */
 162   }
 163
 164 obj_symbol_type;
 165
 166 #define DO_NOT_STRIP    0
 167 #define DO_STRIP        1
 168
 169 /* Symbol table macros and constants */
 170
 171 /* Possible and usefull section number in symbol table
 172  * The values of TEXT, DATA and BSS may not be portable.
 173  */
 174
 175 #define C_TEXT_SECTION          ((short)1)
 176 #define C_DATA_SECTION          ((short)2)
 177 #define C_BSS_SECTION           ((short)3)
 178 #define C_ABS_SECTION           N_ABS
 179 #define C_UNDEF_SECTION         N_UNDEF
 180 #define C_DEBUG_SECTION         N_DEBUG
 181 #define C_NTV_SECTION           N_TV
 182 #define C_PTV_SECTION           P_TV
 183 #define C_REGISTER_SECTION      4
 184
 185 /*
 186  *  Macros to extract information from a symbol table entry.
 187  *  This syntaxic indirection allows independence regarding a.out or coff.
 188  *  The argument (s) of all these macros is a pointer to a symbol table entry.
 189  */
 190
 191 /* Predicates */
 192 /* True if the symbol is external */
 193 #define S_IS_EXTERNAL(s)        ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
 194 /* True if symbol has been defined, ie :
 195    section > 0 (DATA, TEXT or BSS)
 196    section == 0 and value > 0 (external bss symbol) */
 197 #define S_IS_DEFINED(s)         ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
 198                                  ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
 199                                   (s)->sy_symbol.ost_entry.n_value > 0))
 200 /* True if a debug special symbol entry */
 201 #define S_IS_DEBUG(s)           ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
 202 /* True if a symbol is local symbol name */
 203 /* A symbol name whose name begin with ^A is a gas internal pseudo symbol */
 204 #define S_IS_LOCAL(s)           (S_GET_NAME(s)[0] == '\001' || \
 205                                  (s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION || \
 206                                  (S_LOCAL_NAME(s) && !flagseen['L']))
 207 /* True if a symbol is not defined in this file */
 208 #define S_IS_EXTERN(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 && (s)->sy_symbol.ost_entry.n_value == 0)
 209 /*
 210  * True if a symbol can be multiply defined (bss symbols have this def
 211  * though it is bad practice)
 212  */
 213 #define S_IS_COMMON(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 && (s)->sy_symbol.ost_entry.n_value != 0)
 214 /* True if a symbol name is in the string table, i.e. its length is > 8. */
 215 #define S_IS_STRING(s)          (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
 216
 217 /* Accessors */
 218 /* The name of the symbol */
 219 #define S_GET_NAME(s)           ((char*)(s)->sy_symbol.ost_entry.n_offset)
 220 /* The pointer to the string table */
 221 #define S_GET_OFFSET(s)         ((s)->sy_symbol.ost_entry.n_offset)
 222 /* The zeroes if symbol name is longer than 8 chars */
 223 #define S_GET_ZEROES(s)         ((s)->sy_symbol.ost_entry.n_zeroes)
 224 /* The value of the symbol */
 225 #define S_GET_VALUE(s)          ((unsigned) ((s)->sy_symbol.ost_entry.n_value))
 226 /* The numeric value of the segment */
 227 #define S_GET_SEGMENT(s)        (N_TYPE_seg[(s)->sy_symbol.ost_entry.n_scnum+4])
 228 /* The data type */
 229 #define S_GET_DATA_TYPE(s)      ((s)->sy_symbol.ost_entry.n_type)
 230 /* The storage class */
 231 #define S_GET_STORAGE_CLASS(s)  ((s)->sy_symbol.ost_entry.n_sclass)
 232 /* The number of auxiliary entries */
 233 #define S_GET_NUMBER_AUXILIARY(s)       ((s)->sy_symbol.ost_entry.n_numaux)
 234
 235 /* Modifiers */
 236 /* Set the name of the symbol */
 237 #define S_SET_NAME(s,v)         ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
 238 /* Set the offset of the symbol */
 239 #define S_SET_OFFSET(s,v)       ((s)->sy_symbol.ost_entry.n_offset = (v))
 240 /* The zeroes if symbol name is longer than 8 chars */
 241 #define S_SET_ZEROES(s,v)               ((s)->sy_symbol.ost_entry.n_zeroes = (v))
 242 /* Set the value of the symbol */
 243 #define S_SET_VALUE(s,v)        ((s)->sy_symbol.ost_entry.n_value = (v))
 244 /* The numeric value of the segment */
 245 #define S_SET_SEGMENT(s,v)      ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
 246 /* The data type */
 247 #define S_SET_DATA_TYPE(s,v)    ((s)->sy_symbol.ost_entry.n_type = (v))
 248 /* The storage class */
 249 #define S_SET_STORAGE_CLASS(s,v)        ((s)->sy_symbol.ost_entry.n_sclass = (v))
 250 /* The number of auxiliary entries */
 251 #define S_SET_NUMBER_AUXILIARY(s,v)     ((s)->sy_symbol.ost_entry.n_numaux = (v))
 252
 253 /* Additional modifiers */
 254 /* The symbol is external (does not mean undefined) */
 255 #define S_SET_EXTERNAL(s)       { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
 256
 257 /* Auxiliary entry macros. SA_ stands for symbol auxiliary */
 258 /* Omit the tv related fields */
 259 /* Accessors */
 260 #ifdef BFD_HEADERS
 261 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l)
 262 #else
 263 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx)
 264 #endif
 265 #define SA_GET_SYM_LNNO(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno)
 266 #define SA_GET_SYM_SIZE(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size)
 267 #define SA_GET_SYM_FSIZE(s)     ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize)
 268 #define SA_GET_SYM_LNNOPTR(s)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr)
 269 #ifdef BFD_HEADERS
 270 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l)
 271 #else
 272 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx)
 273 #endif
 274 #define SA_GET_SYM_DIMEN(s,i)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)])
 275 #define SA_GET_FILE_FNAME(s)    ((s)->sy_symbol.ost_auxent[0].x_file.x_fname)
 276 #define SA_GET_SCN_SCNLEN(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen)
 277 #define SA_GET_SCN_NRELOC(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc)
 278 #define SA_GET_SCN_NLINNO(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno)
 279
 280 /* Modifiers */
 281 #ifdef BFD_HEADERS
 282 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l=(v))
 283 #else
 284 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx=(v))
 285 #endif
 286 #define SA_SET_SYM_LNNO(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno=(v))
 287 #define SA_SET_SYM_SIZE(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size=(v))
 288 #define SA_SET_SYM_FSIZE(s,v)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize=(v))
 289 #define SA_SET_SYM_LNNOPTR(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
 290 #ifdef BFD_HEADERS
 291 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
 292 #else
 293 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx=(v))
 294 #endif
 295 #define SA_SET_SYM_DIMEN(s,i,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
 296 #define SA_SET_FILE_FNAME(s,v)  strncpy((s)->sy_symbol.ost_auxent[0].x_file.x_fname,(v),FILNMLEN)
 297 #define SA_SET_SCN_SCNLEN(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen=(v))
 298 #define SA_SET_SCN_NRELOC(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc=(v))
 299 #define SA_SET_SCN_NLINNO(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno=(v))
 300
 301 /*
 302  * Internal use only definitions. SF_ stands for symbol flags.
 303  *
 304  * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
 305  *
 306  * You'll break i960 if you shift the SYSPROC bits anywhere else.  for
 307  * more on the balname/callname hack, see tc-i960.h.  b.out is done
 308  * differently.
 309  */
 310
 311 #define SF_I960_MASK    (0x000001ff)    /* Bits 0-8 are used by the i960 port. */
 312 #define SF_SYSPROC      (0x0000003f)    /* bits 0-5 are used to store the sysproc number */
 313 #define SF_IS_SYSPROC   (0x00000040)    /* bit 6 marks symbols that are sysprocs */
 314 #define SF_BALNAME      (0x00000080)    /* bit 7 marks BALNAME symbols */
 315 #define SF_CALLNAME     (0x00000100)    /* bit 8 marks CALLNAME symbols */
 316
 317 #define SF_NORMAL_MASK  (0x0000ffff)    /* bits 12-15 are general purpose. */
 318
 319 #define SF_STATICS      (0x00001000)    /* Mark the .text & all symbols */
 320 #define SF_DEFINED      (0x00002000)    /* Symbol is defined in this file */
 321 #define SF_STRING       (0x00004000)    /* Symbol name length > 8 */
 322 #define SF_LOCAL        (0x00008000)    /* Symbol must not be emitted */
 323
 324 #define SF_DEBUG_MASK   (0xffff0000)    /* bits 16-31 are debug info */
 325
 326 #define SF_FUNCTION     (0x00010000)    /* The symbol is a function */
 327 #define SF_PROCESS      (0x00020000)    /* Process symbol before write */
 328 #define SF_TAGGED       (0x00040000)    /* Is associated with a tag */
 329 #define SF_TAG          (0x00080000)    /* Is a tag */
 330 #define SF_DEBUG        (0x00100000)    /* Is in debug or abs section */
 331 #define SF_GET_SEGMENT  (0x00200000)    /* Get the section of the forward symbol. */
 332 /* All other bits are unused. */
 333
 334 /* Accessors */
 335 #define SF_GET(s)               ((s)->sy_symbol.ost_flags)
 336 #define SF_GET_NORMAL_FIELD(s)  ((s)->sy_symbol.ost_flags & SF_NORMAL_MASK)
 337 #define SF_GET_DEBUG_FIELD(s)   ((s)->sy_symbol.ost_flags & SF_DEBUG_MASK)
 338 #define SF_GET_FILE(s)          ((s)->sy_symbol.ost_flags & SF_FILE)
 339 #define SF_GET_STATICS(s)       ((s)->sy_symbol.ost_flags & SF_STATICS)
 340 #define SF_GET_DEFINED(s)       ((s)->sy_symbol.ost_flags & SF_DEFINED)
 341 #define SF_GET_STRING(s)        ((s)->sy_symbol.ost_flags & SF_STRING)
 342 #define SF_GET_LOCAL(s)         ((s)->sy_symbol.ost_flags & SF_LOCAL)
 343 #define SF_GET_FUNCTION(s)      ((s)->sy_symbol.ost_flags & SF_FUNCTION)
 344 #define SF_GET_PROCESS(s)       ((s)->sy_symbol.ost_flags & SF_PROCESS)
 345 #define SF_GET_DEBUG(s)         ((s)->sy_symbol.ost_flags & SF_DEBUG)
 346 #define SF_GET_TAGGED(s)        ((s)->sy_symbol.ost_flags & SF_TAGGED)
 347 #define SF_GET_TAG(s)           ((s)->sy_symbol.ost_flags & SF_TAG)
 348 #define SF_GET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags & SF_GET_SEGMENT)
 349 #define SF_GET_I960(s)          ((s)->sy_symbol.ost_flags & SF_I960_MASK)       /* used by i960 */
 350 #define SF_GET_BALNAME(s)       ((s)->sy_symbol.ost_flags & SF_BALNAME) /* used by i960 */
 351 #define SF_GET_CALLNAME(s)      ((s)->sy_symbol.ost_flags & SF_CALLNAME)        /* used by i960 */
 352 #define SF_GET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags & SF_IS_SYSPROC)      /* used by i960 */
 353 #define SF_GET_SYSPROC(s)       ((s)->sy_symbol.ost_flags & SF_SYSPROC) /* used by i960 */
 354
 355 /* Modifiers */
 356 #define SF_SET(s,v)             ((s)->sy_symbol.ost_flags = (v))
 357 #define SF_SET_NORMAL_FIELD(s,v)((s)->sy_symbol.ost_flags |= ((v) & SF_NORMAL_MASK))
 358 #define SF_SET_DEBUG_FIELD(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_DEBUG_MASK))
 359 #define SF_SET_FILE(s)          ((s)->sy_symbol.ost_flags |= SF_FILE)
 360 #define SF_SET_STATICS(s)       ((s)->sy_symbol.ost_flags |= SF_STATICS)
 361 #define SF_SET_DEFINED(s)       ((s)->sy_symbol.ost_flags |= SF_DEFINED)
 362 #define SF_SET_STRING(s)        ((s)->sy_symbol.ost_flags |= SF_STRING)
 363 #define SF_SET_LOCAL(s)         ((s)->sy_symbol.ost_flags |= SF_LOCAL)
 364 #define SF_CLEAR_LOCAL(s)       ((s)->sy_symbol.ost_flags &= ~SF_LOCAL)
 365 #define SF_SET_FUNCTION(s)      ((s)->sy_symbol.ost_flags |= SF_FUNCTION)
 366 #define SF_SET_PROCESS(s)       ((s)->sy_symbol.ost_flags |= SF_PROCESS)
 367 #define SF_SET_DEBUG(s)         ((s)->sy_symbol.ost_flags |= SF_DEBUG)
 368 #define SF_SET_TAGGED(s)        ((s)->sy_symbol.ost_flags |= SF_TAGGED)
 369 #define SF_SET_TAG(s)           ((s)->sy_symbol.ost_flags |= SF_TAG)
 370 #define SF_SET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags |= SF_GET_SEGMENT)
 371 #define SF_SET_I960(s,v)        ((s)->sy_symbol.ost_flags |= ((v) & SF_I960_MASK))      /* used by i960 */
 372 #define SF_SET_BALNAME(s)       ((s)->sy_symbol.ost_flags |= SF_BALNAME)        /* used by i960 */
 373 #define SF_SET_CALLNAME(s)      ((s)->sy_symbol.ost_flags |= SF_CALLNAME)       /* used by i960 */
 374 #define SF_SET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags |= SF_IS_SYSPROC)     /* used by i960 */
 375 #define SF_SET_SYSPROC(s,v)     ((s)->sy_symbol.ost_flags |= ((v) & SF_SYSPROC))        /* used by i960 */
 376
 377 /* File header macro and type definition */
 378
 379 /*
 380  * File position calculators. Beware to use them when all the
 381  * appropriate fields are set in the header.
 382  */
 383
 384 #ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
 385 #define OBJ_COFF_AOUTHDRSZ (0)
 386 #else
 387 #define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
 388 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 389
 390 #define H_GET_FILE_SIZE(h) \
 391     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 392            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 393            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 394            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
 395            H_GET_SYMBOL_TABLE_SIZE(h) + \
 396            (h)->string_table_size)
 397 #define H_GET_TEXT_FILE_OFFSET(h) \
 398     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 399            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
 400 #define H_GET_DATA_FILE_OFFSET(h) \
 401     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 402            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 403            H_GET_TEXT_SIZE(h))
 404 #define H_GET_BSS_FILE_OFFSET(h) 0
 405 #define H_GET_RELOCATION_FILE_OFFSET(h) \
 406     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 407            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 408            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
 409 #define H_GET_LINENO_FILE_OFFSET(h) \
 410     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 411            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 412            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 413            H_GET_RELOCATION_SIZE(h))
 414 #define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
 415     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 416            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 417            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 418            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
 419
 420 /* Accessors */
 421 /* aouthdr */
 422 #define H_GET_MAGIC_NUMBER(h)           ((h)->aouthdr.magic)
 423 #define H_GET_VERSION_STAMP(h)          ((h)->aouthdr.vstamp)
 424 #define H_GET_TEXT_SIZE(h)              ((h)->aouthdr.tsize)
 425 #define H_GET_DATA_SIZE(h)              ((h)->aouthdr.dsize)
 426 #define H_GET_BSS_SIZE(h)               ((h)->aouthdr.bsize)
 427 #define H_GET_ENTRY_POINT(h)            ((h)->aouthdr.entry)
 428 #define H_GET_TEXT_START(h)             ((h)->aouthdr.text_start)
 429 #define H_GET_DATA_START(h)             ((h)->aouthdr.data_start)
 430 /* filehdr */
 431 #define H_GET_FILE_MAGIC_NUMBER(h)      ((h)->filehdr.f_magic)
 432 #define H_GET_NUMBER_OF_SECTIONS(h)     ((h)->filehdr.f_nscns)
 433 #define H_GET_TIME_STAMP(h)             ((h)->filehdr.f_timdat)
 434 #define H_GET_SYMBOL_TABLE_POINTER(h)   ((h)->filehdr.f_symptr)
 435 #define H_GET_SYMBOL_COUNT(h)           ((h)->filehdr.f_nsyms)
 436 #define H_GET_SYMBOL_TABLE_SIZE(h)      (H_GET_SYMBOL_COUNT(h) * SYMESZ)
 437 #define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
 438 #define H_GET_FLAGS(h)                  ((h)->filehdr.f_flags)
 439 /* Extra fields to achieve bsd a.out compatibility and for convenience */
 440 #define H_GET_RELOCATION_SIZE(h)        ((h)->relocation_size)
 441 #define H_GET_STRING_SIZE(h)            ((h)->string_table_size)
 442 #define H_GET_LINENO_SIZE(h)            ((h)->lineno_size)
 443
 444 #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
 445 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 446                                          + sizeof(AOUTHDR)\
 447                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 448 #else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 449 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 450                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 451 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 452
 453 #define H_GET_TEXT_RELOCATION_SIZE(h)   (text_section_header.s_nreloc * RELSZ)
 454 #define H_GET_DATA_RELOCATION_SIZE(h)   (data_section_header.s_nreloc * RELSZ)
 455
 456 /* Modifiers */
 457 /* aouthdr */
 458 #define H_SET_MAGIC_NUMBER(h,v)         ((h)->aouthdr.magic = (v))
 459 #define H_SET_VERSION_STAMP(h,v)        ((h)->aouthdr.vstamp = (v))
 460 #define H_SET_TEXT_SIZE(h,v)            ((h)->aouthdr.tsize = (v))
 461 #define H_SET_DATA_SIZE(h,v)            ((h)->aouthdr.dsize = (v))
 462 #define H_SET_BSS_SIZE(h,v)             ((h)->aouthdr.bsize = (v))
 463 #define H_SET_ENTRY_POINT(h,v)          ((h)->aouthdr.entry = (v))
 464 #define H_SET_TEXT_START(h,v)           ((h)->aouthdr.text_start = (v))
 465 #define H_SET_DATA_START(h,v)           ((h)->aouthdr.data_start = (v))
 466 /* filehdr */
 467 #define H_SET_FILE_MAGIC_NUMBER(h,v)    ((h)->filehdr.f_magic = (v))
 468 #define H_SET_NUMBER_OF_SECTIONS(h,v)   ((h)->filehdr.f_nscns = (v))
 469 #define H_SET_TIME_STAMP(h,v)           ((h)->filehdr.f_timdat = (v))
 470 #define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
 471 #define H_SET_SYMBOL_TABLE_SIZE(h,v)    ((h)->filehdr.f_nsyms = (v))
 472 #define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
 473 #define H_SET_FLAGS(h,v)                ((h)->filehdr.f_flags = (v))
 474 /* Extra fields to achieve bsd a.out compatibility and for convinience */
 475 #define H_SET_RELOCATION_SIZE(h,t,d)    ((h)->relocation_size = (t)+(d))
 476 #define H_SET_STRING_SIZE(h,v)          ((h)->string_table_size = (v))
 477 #define H_SET_LINENO_SIZE(h,v)          ((h)->lineno_size = (v))
 478
 479 /* Segment flipping */
 480 #define segment_name(v) (seg_name[(int) (v)])
 481
 482 typedef struct
 483   {
 484 #ifdef BFD_HEADERS
 485     struct internal_aouthdr aouthdr;    /* a.out header */
 486     struct internal_filehdr filehdr;    /* File header, not machine dep. */
 487 #else
 488     AOUTHDR aouthdr;            /* a.out header */
 489     FILHDR filehdr;             /* File header, not machine dep. */
 490 #endif
 491     long string_table_size;     /* names + '\0' + sizeof(int) */
 492     long relocation_size;       /* Cumulated size of relocation
 493                                            information for all sections in
 494                                            bytes. */
 495     long lineno_size;           /* Size of the line number information
 496                                            table in bytes */
 497   }
 498
 499 object_headers;
 500
 501 /* --------------  Line number handling ------- */
 502 extern int text_lineno_number;
 503
 504 /* line numbering stuff. */
 505
 506 typedef struct internal_lineno
 507   {
 508 #ifdef BFD_HEADERS
 509     struct bfd_internal_lineno line;
 510 #else
 511     LINENO line;                /* The lineno structure itself */
 512 #endif
 513     char *frag;                 /* Frag to which the line number is related */
 514     struct internal_lineno *next;       /* Forward chain pointer */
 515   } lineno;
 516
 517 extern lineno *lineno_lastP;
 518 extern lineno *lineno_rootP;
 519 #define OBJ_EMIT_LINENO(a, b, c)        obj_emit_lineno((a),(b),(c))
 520
 521 #if __STDC__ == 1
 522 void obj_emit_lineno (char **where, lineno * line, char *file_start);
 523 #else /* not __STDC__ */
 524 void obj_emit_lineno ();
 525 #endif /* not __STDC__ */
 526
 527 /* stack stuff */
 528 typedef struct
 529   {
 530     unsigned long chunk_size;
 531     unsigned long element_size;
 532     unsigned long size;
 533     char *data;
 534     unsigned long pointer;
 535   }
 536
 537 stack;
 538
 539 #if __STDC__ == 1
 540
 541 char *stack_pop (stack * st);
 542 char *stack_push (stack * st, char *element);
 543 char *stack_top (stack * st);
 544 stack *stack_init (unsigned long chunk_size, unsigned long element_size);
 545 void c_dot_file_symbol (char *filename);
 546 void obj_extra_stuff (object_headers * headers);
 547 void stack_delete (stack * st);
 548
 549 #ifndef tc_headers_hook
 550 void tc_headers_hook (object_headers * headers);
 551 #endif /* tc_headers_hook */
 552
 553 #ifndef tc_coff_symbol_emit_hook
 554 void tc_coff_symbol_emit_hook ();       /* really tc_coff_symbol_emit_hook(symbolS *symbolP) */
 555 #endif /* tc_coff_symbol_emit_hook */
 556
 557 void c_section_header (
 558 #ifdef BFD_HEADERS
 559                         struct internal_scnhdr *header,
 560 #else
 561                         SCNHDR * header,
 562 #endif
 563
 564                         char *name,
 565                         long core_address,
 566                         long size,
 567                         long data_ptr,
 568                         long reloc_ptr,
 569                         long lineno_ptr,
 570                         long reloc_number,
 571                         long lineno_number,
 572                         long alignment);
 573
 574 #else /* not __STDC__ */
 575
 576 char *stack_pop ();
 577 char *stack_push ();
 578 char *stack_top ();
 579 stack *stack_init ();
 580 void c_dot_file_symbol ();
 581 void c_section_header ();
 582 void obj_extra_stuff ();
 583 void stack_delete ();
 584 #ifndef tc_headers_hook
 585 void tc_headers_hook ();
 586 #endif
 587 void tc_coff_symbol_emit_hook ();
 588
 589 #endif /* not __STDC__ */
 590
 591
 592 /* sanity check */
 593
 594 #ifdef TC_I960
 595 #ifndef C_LEAFSTAT
 596 hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
 597 #endif /* no C_LEAFSTAT */
 598 #endif /* TC_I960 */
 599 #ifdef BFD_HEADERS
 600 extern struct internal_scnhdr data_section_header;
 601 extern struct internal_scnhdr text_section_header;
 602 #else
 603 extern SCNHDR data_section_header;
 604 extern SCNHDR text_section_header;
 605 #endif
 606
 607 /*
 608  * Local Variables:
 609  * comment-column: 0
 610  * fill-column: 131
 611  * End:
 612  */
 613
 614 /* end of obj-coff.h */