gas/config/obj-coff-bfd.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 #include "bfd.h"
  27
  28 /*extern bfd *stdoutput;*/
  29 /* This internal_lineno crap is to stop namespace pollution from the
  30    bfd internal coff headerfile. */
  31
  32 #define internal_lineno bfd_internal_lineno
  33 #include "coff/internal.h"
  34 #undef internal_lineno
  35
  36 #if defined(TC_H8300)
  37 #include "coff/h8300.h"
  38 #define TARGET_FORMAT "coff-h8300"
  39 #elif defined(TC_A29K)
  40 #include "coff/a29k.h"
  41 #define TARGET_FORMAT "coff-a29k-big"
  42 #else
  43 help me
  44 #endif
  45
  46 #if 0
  47 /* Define some processor dependent values according to the processor we are
  48    on. */
  49 #if defined(TC_H8300)
  50 #define BYTE_ORDERING          0
  51 #define FILE_HEADER_MAGIC      H8300MAGIC
  52 #elif defined(TC_M68K)
  53
  54 #define BYTE_ORDERING           F_AR32W    /* See filehdr.h for more info. */
  55 #ifndef FILE_HEADER_MAGIC
  56 #define FILE_HEADER_MAGIC       MC68MAGIC  /* ... */
  57 #endif /* FILE_HEADER_MAGIC */
  58
  59 #elif defined(TC_I386)
  60
  61 #define BYTE_ORDERING           F_AR32WR   /* See filehdr.h for more info. */
  62 #ifndef FILE_HEADER_MAGIC
  63 #define FILE_HEADER_MAGIC       I386MAGIC  /* ... */
  64 #endif /* FILE_HEADER_MAGIC */
  65
  66 #elif defined(TC_I960)
  67
  68 #define BYTE_ORDERING           F_AR32WR   /* See filehdr.h for more info. */
  69 #ifndef FILE_HEADER_MAGIC
  70 #define FILE_HEADER_MAGIC       I960ROMAGIC  /* ... */
  71 #endif /* FILE_HEADER_MAGIC */
  72
  73 #elif defined(TC_A29K)
  74
  75 #define BYTE_ORDERING           F_AR32W /* big endian. */
  76 #ifndef FILE_HEADER_MAGIC
  77 #define FILE_HEADER_MAGIC       SIPFBOMAGIC
  78 #endif /* FILE_HEADER_MAGIC */
  79
  80 #else
  81 you lose
  82 #endif
  83
  84 #endif
  85
  86 #ifndef OBJ_COFF_MAX_AUXENTRIES
  87 #define OBJ_COFF_MAX_AUXENTRIES 1
  88 #endif /* OBJ_COFF_MAX_AUXENTRIES */
  89
  90
  91 extern const segT  N_TYPE_seg[];
  92
  93 /* Magic number of paged executable. */
  94 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE    0x8300
  95
  96
  97 /* SYMBOL TABLE */
  98
  99  /* targets may also set this */
 100 #ifndef SYMBOLS_NEED_BACKPOINTERS
 101 #define SYMBOLS_NEED_BACKPOINTERS 1
 102 #endif /* SYMBOLS_NEED_BACKPOINTERS */
 103
 104 /* Symbol table entry data type */
 105
 106 typedef struct
 107 {
 108   struct internal_syment  ost_entry; /* Basic symbol */
 109   union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
 110
 111   unsigned int ost_flags; /* obj_coff internal use only flags */
 112 } obj_symbol_type;
 113
 114 #define DO_NOT_STRIP    0
 115 #define DO_STRIP        1
 116
 117 /* Symbol table macros and constants */
 118
 119 /* Possible and usefull section number in symbol table
 120  * The values of TEXT, DATA and BSS may not be portable.
 121  */
 122
 123 #define C_ABS_SECTION           N_ABS
 124 #define C_UNDEF_SECTION         N_UNDEF
 125 #define C_DEBUG_SECTION         N_DEBUG
 126 #define C_NTV_SECTION           N_TV
 127 #define C_PTV_SECTION           P_TV
 128 #define C_REGISTER_SECTION      20
 129
 130 /*
 131  *  Macros to extract information from a symbol table entry.
 132  *  This syntaxic indirection allows independence regarding a.out or coff.
 133  *  The argument (s) of all these macros is a pointer to a symbol table entry.
 134  */
 135
 136 /* Predicates */
 137 /* True if the symbol is external */
 138 #define S_IS_EXTERNAL(s)        ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
 139 /* True if symbol has been defined, ie :
 140   section > 0 (DATA, TEXT or BSS)
 141   section == 0 and value > 0 (external bss symbol) */
 142 #define S_IS_DEFINED(s)         ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
 143                                  ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
 144                                   (s)->sy_symbol.ost_entry.n_value > 0))
 145 /* True if a debug special symbol entry */
 146 #define S_IS_DEBUG(s)           ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
 147 /* True if a symbol is local symbol name */
 148 /* A symbol name whose name begin with ^A is a gas internal pseudo symbol */
 149 #define S_IS_LOCAL(s)           (S_GET_NAME(s)[0] == '\001' || \
 150                                  (s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION || \
 151                                  (S_LOCAL_NAME(s) && !flagseen['L']))
 152 /* True if a symbol is not defined in this file */
 153 #define S_IS_EXTERN(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 && (s)->sy_symbol.ost_entry.n_value == 0)
 154 /*
 155  * True if a symbol can be multiply defined (bss symbols have this def
 156  * though it is bad practice)
 157  */
 158 #define S_IS_COMMON(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 && (s)->sy_symbol.ost_entry.n_value != 0)
 159 /* True if a symbol name is in the string table, i.e. its length is > 8. */
 160 #define S_IS_STRING(s)          (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
 161
 162 /* Accessors */
 163 /* The name of the symbol */
 164 #define S_GET_NAME(s)           ((char*)(s)->sy_symbol.ost_entry.n_offset)
 165 /* The pointer to the string table */
 166 #define S_GET_OFFSET(s)         ((s)->sy_symbol.ost_entry.n_offset)
 167 /* The zeroes if symbol name is longer than 8 chars */
 168 #define S_GET_ZEROES(s)         ((s)->sy_symbol.ost_entry.n_zeroes)
 169 /* The value of the symbol */
 170 #define S_GET_VALUE(s)          ((unsigned) ((s)->sy_symbol.ost_entry.n_value))
 171 /* The numeric value of the segment */
 172 #define S_GET_SEGMENT(s)   s_get_segment(s)
 173 /* The data type */
 174 #define S_GET_DATA_TYPE(s)      ((s)->sy_symbol.ost_entry.n_type)
 175 /* The storage class */
 176 #define S_GET_STORAGE_CLASS(s)  ((s)->sy_symbol.ost_entry.n_sclass)
 177 /* The number of auxiliary entries */
 178 #define S_GET_NUMBER_AUXILIARY(s)       ((s)->sy_symbol.ost_entry.n_numaux)
 179
 180 /* Modifiers */
 181 /* Set the name of the symbol */
 182 #define S_SET_NAME(s,v)         ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
 183 /* Set the offset of the symbol */
 184 #define S_SET_OFFSET(s,v)       ((s)->sy_symbol.ost_entry.n_offset = (v))
 185 /* The zeroes if symbol name is longer than 8 chars */
 186 #define S_SET_ZEROES(s,v)               ((s)->sy_symbol.ost_entry.n_zeroes = (v))
 187 /* Set the value of the symbol */
 188 #define S_SET_VALUE(s,v)        ((s)->sy_symbol.ost_entry.n_value = (v))
 189 /* The numeric value of the segment */
 190 #define S_SET_SEGMENT(s,v)      ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
 191 /* The data type */
 192 #define S_SET_DATA_TYPE(s,v)    ((s)->sy_symbol.ost_entry.n_type = (v))
 193 /* The storage class */
 194 #define S_SET_STORAGE_CLASS(s,v)        ((s)->sy_symbol.ost_entry.n_sclass = (v))
 195 /* The number of auxiliary entries */
 196 #define S_SET_NUMBER_AUXILIARY(s,v)     ((s)->sy_symbol.ost_entry.n_numaux = (v))
 197
 198 /* Additional modifiers */
 199 /* The symbol is external (does not mean undefined) */
 200 #define S_SET_EXTERNAL(s)       { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
 201
 202 /* Auxiliary entry macros. SA_ stands for symbol auxiliary */
 203 /* Omit the tv related fields */
 204 /* Accessors */
 205 #ifdef BFD_HEADERS
 206 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l)
 207 #else
 208 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx)
 209 #endif
 210 #define SA_GET_SYM_LNNO(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno)
 211 #define SA_GET_SYM_SIZE(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size)
 212 #define SA_GET_SYM_FSIZE(s)     ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize)
 213 #define SA_GET_SYM_LNNOPTR(s)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr)
 214 #ifdef BFD_HEADERS
 215 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l)
 216 #else
 217 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx)
 218 #endif
 219 #define SA_GET_SYM_DIMEN(s,i)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)])
 220 #define SA_GET_FILE_FNAME(s)    ((s)->sy_symbol.ost_auxent[0].x_file.x_fname)
 221 #define SA_GET_SCN_SCNLEN(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen)
 222 #define SA_GET_SCN_NRELOC(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc)
 223 #define SA_GET_SCN_NLINNO(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno)
 224
 225 /* Modifiers */
 226 #ifdef BFD_HEADERS
 227 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l=(v))
 228 #else
 229 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx=(v))
 230 #endif
 231 #define SA_SET_SYM_LNNO(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno=(v))
 232 #define SA_SET_SYM_SIZE(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size=(v))
 233 #define SA_SET_SYM_FSIZE(s,v)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize=(v))
 234 #define SA_SET_SYM_LNNOPTR(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
 235 #ifdef BFD_HEADERS
 236 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
 237 #else
 238 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx=(v))
 239 #endif
 240 #define SA_SET_SYM_DIMEN(s,i,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
 241 #define SA_SET_FILE_FNAME(s,v)  strncpy((s)->sy_symbol.ost_auxent[0].x_file.x_fname,(v),FILNMLEN)
 242 #define SA_SET_SCN_SCNLEN(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen=(v))
 243 #define SA_SET_SCN_NRELOC(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc=(v))
 244 #define SA_SET_SCN_NLINNO(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno=(v))
 245
 246 /*
 247  * Internal use only definitions. SF_ stands for symbol flags.
 248  *
 249  * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
 250  *
 251  * You'll break i960 if you shift the SYSPROC bits anywhere else.  for
 252  * more on the balname/callname hack, see tc-i960.h.  b.out is done
 253  * differently.
 254  */
 255
 256 #define SF_I960_MASK    (0x000001ff) /* Bits 0-8 are used by the i960 port. */
 257 #define SF_SYSPROC      (0x0000003f)         /* bits 0-5 are used to store the sysproc number */
 258 #define SF_IS_SYSPROC   (0x00000040)         /* bit 6 marks symbols that are sysprocs */
 259 #define SF_BALNAME      (0x00000080)         /* bit 7 marks BALNAME symbols */
 260 #define SF_CALLNAME     (0x00000100)         /* bit 8 marks CALLNAME symbols */
 261
 262 #define SF_NORMAL_MASK  (0x0000ffff) /* bits 12-15 are general purpose. */
 263
 264 #define SF_STATICS      (0x00001000)         /* Mark the .text & all symbols */
 265 #define SF_DEFINED      (0x00002000)         /* Symbol is defined in this file */
 266 #define SF_STRING       (0x00004000)         /* Symbol name length > 8 */
 267 #define SF_LOCAL        (0x00008000)         /* Symbol must not be emitted */
 268
 269 #define SF_DEBUG_MASK   (0xffff0000) /* bits 16-31 are debug info */
 270
 271 #define SF_FUNCTION     (0x00010000)         /* The symbol is a function */
 272 #define SF_PROCESS      (0x00020000)         /* Process symbol before write */
 273 #define SF_TAGGED       (0x00040000)         /* Is associated with a tag */
 274 #define SF_TAG          (0x00080000)         /* Is a tag */
 275 #define SF_DEBUG        (0x00100000)         /* Is in debug or abs section */
 276 #define SF_GET_SEGMENT  (0x00200000)         /* Get the section of the forward symbol. */
 277  /* All other bits are unused. */
 278
 279 /* Accessors */
 280 #define SF_GET(s)               ((s)->sy_symbol.ost_flags)
 281 #define SF_GET_NORMAL_FIELD(s)  ((s)->sy_symbol.ost_flags & SF_NORMAL_MASK)
 282 #define SF_GET_DEBUG_FIELD(s)   ((s)->sy_symbol.ost_flags & SF_DEBUG_MASK)
 283 #define SF_GET_FILE(s)          ((s)->sy_symbol.ost_flags & SF_FILE)
 284 #define SF_GET_STATICS(s)       ((s)->sy_symbol.ost_flags & SF_STATICS)
 285 #define SF_GET_DEFINED(s)       ((s)->sy_symbol.ost_flags & SF_DEFINED)
 286 #define SF_GET_STRING(s)        ((s)->sy_symbol.ost_flags & SF_STRING)
 287 #define SF_GET_LOCAL(s)         ((s)->sy_symbol.ost_flags & SF_LOCAL)
 288 #define SF_GET_FUNCTION(s)      ((s)->sy_symbol.ost_flags & SF_FUNCTION)
 289 #define SF_GET_PROCESS(s)       ((s)->sy_symbol.ost_flags & SF_PROCESS)
 290 #define SF_GET_DEBUG(s)         ((s)->sy_symbol.ost_flags & SF_DEBUG)
 291 #define SF_GET_TAGGED(s)        ((s)->sy_symbol.ost_flags & SF_TAGGED)
 292 #define SF_GET_TAG(s)           ((s)->sy_symbol.ost_flags & SF_TAG)
 293 #define SF_GET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags & SF_GET_SEGMENT)
 294 #define SF_GET_I960(s)          ((s)->sy_symbol.ost_flags & SF_I960_MASK) /* used by i960 */
 295 #define SF_GET_BALNAME(s)       ((s)->sy_symbol.ost_flags & SF_BALNAME) /* used by i960 */
 296 #define SF_GET_CALLNAME(s)      ((s)->sy_symbol.ost_flags & SF_CALLNAME) /* used by i960 */
 297 #define SF_GET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags & SF_IS_SYSPROC) /* used by i960 */
 298 #define SF_GET_SYSPROC(s)       ((s)->sy_symbol.ost_flags & SF_SYSPROC) /* used by i960 */
 299
 300 /* Modifiers */
 301 #define SF_SET(s,v)             ((s)->sy_symbol.ost_flags = (v))
 302 #define SF_SET_NORMAL_FIELD(s,v)((s)->sy_symbol.ost_flags |= ((v) & SF_NORMAL_MASK))
 303 #define SF_SET_DEBUG_FIELD(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_DEBUG_MASK))
 304 #define SF_SET_FILE(s)          ((s)->sy_symbol.ost_flags |= SF_FILE)
 305 #define SF_SET_STATICS(s)       ((s)->sy_symbol.ost_flags |= SF_STATICS)
 306 #define SF_SET_DEFINED(s)       ((s)->sy_symbol.ost_flags |= SF_DEFINED)
 307 #define SF_SET_STRING(s)        ((s)->sy_symbol.ost_flags |= SF_STRING)
 308 #define SF_SET_LOCAL(s)         ((s)->sy_symbol.ost_flags |= SF_LOCAL)
 309 #define SF_CLEAR_LOCAL(s)       ((s)->sy_symbol.ost_flags &= ~SF_LOCAL)
 310 #define SF_SET_FUNCTION(s)      ((s)->sy_symbol.ost_flags |= SF_FUNCTION)
 311 #define SF_SET_PROCESS(s)       ((s)->sy_symbol.ost_flags |= SF_PROCESS)
 312 #define SF_SET_DEBUG(s)         ((s)->sy_symbol.ost_flags |= SF_DEBUG)
 313 #define SF_SET_TAGGED(s)        ((s)->sy_symbol.ost_flags |= SF_TAGGED)
 314 #define SF_SET_TAG(s)           ((s)->sy_symbol.ost_flags |= SF_TAG)
 315 #define SF_SET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags |= SF_GET_SEGMENT)
 316 #define SF_SET_I960(s,v)        ((s)->sy_symbol.ost_flags |= ((v) & SF_I960_MASK)) /* used by i960 */
 317 #define SF_SET_BALNAME(s)       ((s)->sy_symbol.ost_flags |= SF_BALNAME) /* used by i960 */
 318 #define SF_SET_CALLNAME(s)      ((s)->sy_symbol.ost_flags |= SF_CALLNAME) /* used by i960 */
 319 #define SF_SET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags |= SF_IS_SYSPROC) /* used by i960 */
 320 #define SF_SET_SYSPROC(s,v)     ((s)->sy_symbol.ost_flags |= ((v) & SF_SYSPROC)) /* used by i960 */
 321
 322 /* File header macro and type definition */
 323
 324 /*
 325  * File position calculators. Beware to use them when all the
 326  * appropriate fields are set in the header.
 327  */
 328
 329 #ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
 330 #define OBJ_COFF_AOUTHDRSZ (0)
 331 #else
 332 #define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
 333 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 334
 335 #define H_GET_FILE_SIZE(h) \
 336     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 337            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 338            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 339            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
 340            H_GET_SYMBOL_TABLE_SIZE(h) + \
 341            (h)->string_table_size)
 342 #define H_GET_TEXT_FILE_OFFSET(h) \
 343     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 344            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
 345 #define H_GET_DATA_FILE_OFFSET(h) \
 346     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 347            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 348            H_GET_TEXT_SIZE(h))
 349 #define H_GET_BSS_FILE_OFFSET(h) 0
 350 #define H_GET_RELOCATION_FILE_OFFSET(h) \
 351     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 352            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 353            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
 354 #define H_GET_LINENO_FILE_OFFSET(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))
 359 #define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
 360     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 361            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 362            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 363            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
 364
 365 /* Accessors */
 366 /* aouthdr */
 367 #define H_GET_MAGIC_NUMBER(h)           ((h)->aouthdr.magic)
 368 #define H_GET_VERSION_STAMP(h)          ((h)->aouthdr.vstamp)
 369 #define H_GET_TEXT_SIZE(h)              ((h)->aouthdr.tsize)
 370 #define H_GET_DATA_SIZE(h)              ((h)->aouthdr.dsize)
 371 #define H_GET_BSS_SIZE(h)               ((h)->aouthdr.bsize)
 372 #define H_GET_ENTRY_POINT(h)            ((h)->aouthdr.entry)
 373 #define H_GET_TEXT_START(h)             ((h)->aouthdr.text_start)
 374 #define H_GET_DATA_START(h)             ((h)->aouthdr.data_start)
 375 /* filehdr */
 376 #define H_GET_FILE_MAGIC_NUMBER(h)      ((h)->filehdr.f_magic)
 377 #define H_GET_NUMBER_OF_SECTIONS(h)     ((h)->filehdr.f_nscns)
 378 #define H_GET_TIME_STAMP(h)             ((h)->filehdr.f_timdat)
 379 #define H_GET_SYMBOL_TABLE_POINTER(h)   ((h)->filehdr.f_symptr)
 380 #define H_GET_SYMBOL_COUNT(h)           ((h)->filehdr.f_nsyms)
 381 #define H_GET_SYMBOL_TABLE_SIZE(h)      (H_GET_SYMBOL_COUNT(h) * SYMESZ)
 382 #define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
 383 #define H_GET_FLAGS(h)                  ((h)->filehdr.f_flags)
 384 /* Extra fields to achieve bsd a.out compatibility and for convenience */
 385 #define H_GET_RELOCATION_SIZE(h)        ((h)->relocation_size)
 386 #define H_GET_STRING_SIZE(h)            ((h)->string_table_size)
 387 #define H_GET_LINENO_SIZE(h)            ((h)->lineno_size)
 388
 389 #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
 390 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 391                                          + sizeof(AOUTHDR)\
 392                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 393 #else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 394 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 395                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 396 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 397
 398 #define H_GET_TEXT_RELOCATION_SIZE(h)   (text_section_header.s_nreloc * RELSZ)
 399 #define H_GET_DATA_RELOCATION_SIZE(h)   (data_section_header.s_nreloc * RELSZ)
 400
 401 /* Modifiers */
 402 /* aouthdr */
 403 #define H_SET_MAGIC_NUMBER(h,v)         ((h)->aouthdr.magic = (v))
 404 #define H_SET_VERSION_STAMP(h,v)        ((h)->aouthdr.vstamp = (v))
 405 #define H_SET_TEXT_SIZE(h,v)            ((h)->aouthdr.tsize = (v))
 406 #define H_SET_DATA_SIZE(h,v)            ((h)->aouthdr.dsize = (v))
 407 #define H_SET_BSS_SIZE(h,v)             ((h)->aouthdr.bsize = (v))
 408 #define H_SET_ENTRY_POINT(h,v)          ((h)->aouthdr.entry = (v))
 409 #define H_SET_TEXT_START(h,v)           ((h)->aouthdr.text_start = (v))
 410 #define H_SET_DATA_START(h,v)           ((h)->aouthdr.data_start = (v))
 411 /* filehdr */
 412 #define H_SET_FILE_MAGIC_NUMBER(h,v)    ((h)->filehdr.f_magic = (v))
 413 #define H_SET_NUMBER_OF_SECTIONS(h,v)   ((h)->filehdr.f_nscns = (v))
 414 #define H_SET_TIME_STAMP(h,v)           ((h)->filehdr.f_timdat = (v))
 415 #define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
 416 #define H_SET_SYMBOL_TABLE_SIZE(h,v)    ((h)->filehdr.f_nsyms = (v))
 417 #define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
 418 #define H_SET_FLAGS(h,v)                ((h)->filehdr.f_flags = (v))
 419 /* Extra fields to achieve bsd a.out compatibility and for convinience */
 420 #define H_SET_RELOCATION_SIZE(h,t,d)    ((h)->relocation_size = (t)+(d))
 421 #define H_SET_STRING_SIZE(h,v)          ((h)->string_table_size = (v))
 422 #define H_SET_LINENO_SIZE(h,v)          ((h)->lineno_size = (v))
 423
 424  /* Segment flipping */
 425 #define segment_name(v) (seg_name[(int) (v)])
 426
 427 typedef struct {
 428 #ifdef BFD_HEADERS
 429     struct internal_aouthdr        aouthdr;             /* a.out header */
 430     struct internal_filehdr        filehdr;             /* File header, not machine dep. */
 431 #else
 432     AOUTHDR        aouthdr;             /* a.out header */
 433     FILHDR         filehdr;             /* File header, not machine dep. */
 434 #endif
 435     long       string_table_size;   /* names + '\0' + sizeof(int) */
 436     long           relocation_size;     /* Cumulated size of relocation
 437                                            information for all sections in
 438                                            bytes. */
 439     long           lineno_size;         /* Size of the line number information
 440                                            table in bytes */
 441 } object_headers;
 442
 443
 444
 445 struct lineno_list
 446 {
 447
 448   struct bfd_internal_lineno line;
 449   char* frag;                   /* Frag to which the line number is related */
 450   struct lineno_list* next;     /* Forward chain pointer */
 451 } ;
 452
 453
 454
 455
 456  /* stack stuff */
 457 typedef struct {
 458     unsigned long chunk_size;
 459     unsigned long element_size;
 460     unsigned long size;
 461     char*         data;
 462     unsigned long pointer;
 463 } stack;
 464
 465
 466
 467 char *EXFUN(stack_pop,(stack *st));
 468 char *EXFUN(stack_push,(stack *st, char *element));
 469 char *EXFUN(stack_top,(stack *st));
 470 stack *EXFUN(stack_init,(unsigned long chunk_size, unsigned long element_size));
 471 void EXFUN(c_dot_file_symbol,(char *filename));
 472 void EXFUN(obj_extra_stuff,(object_headers *headers));
 473 void EXFUN(stack_delete,(stack *st));
 474
 475
 476
 477 void EXFUN(c_section_header,(
 478
 479                       struct internal_scnhdr *header,
 480                       char *name,
 481                       long core_address,
 482                       long size,
 483                       long data_ptr,
 484                       long reloc_ptr,
 485                       long lineno_ptr,
 486                       long reloc_number,
 487                       long lineno_number,
 488                       long alignment));
 489
 490
 491  /* sanity check */
 492
 493 #ifdef TC_I960
 494 #ifndef C_LEAFSTAT
 495 hey!  Where is the C_LEAFSTAT definition?  i960-coff support is depending on it.
 496 #endif /* no C_LEAFSTAT */
 497 #endif /* TC_I960 */
 498 #ifdef BFD_HEADERS
 499 extern struct internal_scnhdr data_section_header;
 500 extern struct internal_scnhdr text_section_header;
 501 #else
 502 extern SCNHDR data_section_header;
 503 extern SCNHDR text_section_header;
 504 #endif
 505 /*
 506  * Local Variables:
 507  * comment-column: 0
 508  * fill-column: 131
 509  * End:
 510  */
 511
 512 /* end of obj-coff.h */