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