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