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_SH
  58 #include "coff/sh.h"
  59 #define TARGET_FORMAT "coff-sh"
  60 #endif
  61
  62 #ifdef TC_M68K
  63 #include "coff/m68k.h"
  64 #ifndef TARGET_FORMAT
  65 #define TARGET_FORMAT "coff-m68k"
  66 #endif
  67 #endif
  68
  69 #ifdef TC_M88K
  70 #include "coff/m88k.h"
  71 #define TARGET_FORMAT "coff-m88kbcs"
  72 #endif
  73
  74 #ifdef TC_I386
  75 #include "coff/i386.h"
  76 #ifndef TARGET_FORMAT
  77 #define TARGET_FORMAT "coff-i386"
  78 #endif
  79 #endif
  80
  81 #ifdef TC_A29K
  82 #include "coff/a29k.h"
  83 #define TARGET_FORMAT "coff-a29k-big"
  84
  85 /* Allow translate from aout relocs to coff relocs */
  86 #define NO_RELOC 20
  87 #define RELOC_32 1
  88 #define RELOC_8 2
  89 #define RELOC_CONST 3
  90 #define RELOC_CONSTH 4
  91 #define RELOC_JUMPTARG 5
  92 #define RELOC_BASE22 6
  93 #define RELOC_HI22 7
  94 #define RELOC_LO10 8
  95 #define RELOC_BASE13 9
  96 #define RELOC_WDISP22 10
  97 #define RELOC_WDISP30 11
  98 #endif
  99
 100
 101
 102
 103 #ifndef OBJ_COFF_MAX_AUXENTRIES
 104 #define OBJ_COFF_MAX_AUXENTRIES 1
 105 #endif /* OBJ_COFF_MAX_AUXENTRIES */
 106
 107
 108 extern const segT N_TYPE_seg[];
 109
 110 /* Magic number of paged executable. */
 111 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE    0x8300
 112
 113
 114 /* SYMBOL TABLE */
 115
 116 /* targets may also set this */
 117 #ifndef SYMBOLS_NEED_BACKPOINTERS
 118 #define SYMBOLS_NEED_BACKPOINTERS 1
 119 #endif /* SYMBOLS_NEED_BACKPOINTERS */
 120
 121 /* Symbol table entry data type */
 122
 123 typedef struct
 124 {
 125   struct internal_syment ost_entry;     /* Basic symbol */
 126   union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES];    /* Auxiliary entry. */
 127
 128   unsigned int ost_flags;       /* obj_coff internal use only flags */
 129 }
 130
 131 obj_symbol_type;
 132
 133 #ifndef DO_NOT_STRIP
 134 #define DO_NOT_STRIP    0
 135 #define DO_STRIP        1
 136 #endif
 137 /* Symbol table macros and constants */
 138
 139 /* Possible and usefull section number in symbol table
 140  * The values of TEXT, DATA and BSS may not be portable.
 141  */
 142
 143 #define C_ABS_SECTION           N_ABS
 144 #define C_UNDEF_SECTION         N_UNDEF
 145 #define C_DEBUG_SECTION         N_DEBUG
 146 #define C_NTV_SECTION           N_TV
 147 #define C_PTV_SECTION           P_TV
 148 #define C_REGISTER_SECTION      20
 149
 150 /*
 151  *  Macros to extract information from a symbol table entry.
 152  *  This syntaxic indirection allows independence regarding a.out or coff.
 153  *  The argument (s) of all these macros is a pointer to a symbol table entry.
 154  */
 155
 156 /* Predicates */
 157 /* True if the symbol is external */
 158 #define S_IS_EXTERNAL(s)        ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
 159 /* True if symbol has been defined, ie :
 160    section > 0 (DATA, TEXT or BSS)
 161    section == 0 and value > 0 (external bss symbol) */
 162 #define S_IS_DEFINED(s)         ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
 163                                  ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
 164                                   S_GET_VALUE (s) > 0))
 165 /* True if a debug special symbol entry */
 166 #define S_IS_DEBUG(s)           ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
 167 /* True if a symbol is local symbol name */
 168 /* A symbol name whose name includes ^A is a gas internal pseudo symbol */
 169 #define S_IS_LOCAL(s) \
 170   ((s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION \
 171    || (S_LOCAL_NAME(s) && !flagseen['L']) \
 172    || (strchr (S_GET_NAME (s), '\001') != NULL))
 173 /* True if a symbol is not defined in this file */
 174 #define S_IS_EXTERN(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 \
 175                                  && S_GET_VALUE (s) == 0)
 176 /*
 177  * True if a symbol can be multiply defined (bss symbols have this def
 178  * though it is bad practice)
 179  */
 180 #define S_IS_COMMON(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 \
 181                                  && S_GET_VALUE (s) != 0)
 182 /* True if a symbol name is in the string table, i.e. its length is > 8. */
 183 #define S_IS_STRING(s)          (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
 184
 185 /* Accessors */
 186 /* The name of the symbol */
 187 #define S_GET_NAME(s)           ((char*)(s)->sy_symbol.ost_entry.n_offset)
 188 /* The pointer to the string table */
 189 #define S_GET_OFFSET(s)         ((s)->sy_symbol.ost_entry.n_offset)
 190 /* The zeroes if symbol name is longer than 8 chars */
 191 #define S_GET_ZEROES(s)         ((s)->sy_symbol.ost_entry.n_zeroes)
 192 /* The numeric value of the segment */
 193 #define S_GET_SEGMENT(s)   s_get_segment(s)
 194 /* The data type */
 195 #define S_GET_DATA_TYPE(s)      ((s)->sy_symbol.ost_entry.n_type)
 196 /* The storage class */
 197 #define S_GET_STORAGE_CLASS(s)  ((s)->sy_symbol.ost_entry.n_sclass)
 198 /* The number of auxiliary entries */
 199 #define S_GET_NUMBER_AUXILIARY(s)       ((s)->sy_symbol.ost_entry.n_numaux)
 200
 201 /* Modifiers */
 202 /* Set the name of the symbol */
 203 #define S_SET_NAME(s,v)         ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
 204 /* Set the offset of the symbol */
 205 #define S_SET_OFFSET(s,v)       ((s)->sy_symbol.ost_entry.n_offset = (v))
 206 /* The zeroes if symbol name is longer than 8 chars */
 207 #define S_SET_ZEROES(s,v)               ((s)->sy_symbol.ost_entry.n_zeroes = (v))
 208 /* The numeric value of the segment */
 209 #define S_SET_SEGMENT(s,v)      ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
 210 /* The data type */
 211 #define S_SET_DATA_TYPE(s,v)    ((s)->sy_symbol.ost_entry.n_type = (v))
 212 /* The storage class */
 213 #define S_SET_STORAGE_CLASS(s,v)        ((s)->sy_symbol.ost_entry.n_sclass = (v))
 214 /* The number of auxiliary entries */
 215 #define S_SET_NUMBER_AUXILIARY(s,v)     ((s)->sy_symbol.ost_entry.n_numaux = (v))
 216
 217 /* Additional modifiers */
 218 /* The symbol is external (does not mean undefined) */
 219 #define S_SET_EXTERNAL(s)       { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
 220
 221 /* Auxiliary entry macros. SA_ stands for symbol auxiliary */
 222 /* Omit the tv related fields */
 223 /* Accessors */
 224 #ifdef BFD_HEADERS
 225 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l)
 226 #else
 227 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx)
 228 #endif
 229 #define SA_GET_SYM_LNNO(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno)
 230 #define SA_GET_SYM_SIZE(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size)
 231 #define SA_GET_SYM_FSIZE(s)     ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize)
 232 #define SA_GET_SYM_LNNOPTR(s)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr)
 233 #ifdef BFD_HEADERS
 234 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l)
 235 #else
 236 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx)
 237 #endif
 238 #define SA_GET_SYM_DIMEN(s,i)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)])
 239 #define SA_GET_FILE_FNAME(s)    ((s)->sy_symbol.ost_auxent[0].x_file.x_fname)
 240 #define SA_GET_SCN_SCNLEN(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen)
 241 #define SA_GET_SCN_NRELOC(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc)
 242 #define SA_GET_SCN_NLINNO(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno)
 243
 244 /* Modifiers */
 245 #ifdef BFD_HEADERS
 246 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l=(v))
 247 #else
 248 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx=(v))
 249 #endif
 250 #define SA_SET_SYM_LNNO(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno=(v))
 251 #define SA_SET_SYM_SIZE(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size=(v))
 252 #define SA_SET_SYM_FSIZE(s,v)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize=(v))
 253 #define SA_SET_SYM_LNNOPTR(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
 254 #ifdef BFD_HEADERS
 255 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
 256 #else
 257 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx=(v))
 258 #endif
 259 #define SA_SET_SYM_DIMEN(s,i,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
 260 #define SA_SET_FILE_FNAME(s,v)  strncpy((s)->sy_symbol.ost_auxent[0].x_file.x_fname,(v),FILNMLEN)
 261 #define SA_SET_SCN_SCNLEN(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen=(v))
 262 #define SA_SET_SCN_NRELOC(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc=(v))
 263 #define SA_SET_SCN_NLINNO(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno=(v))
 264
 265 /*
 266  * Internal use only definitions. SF_ stands for symbol flags.
 267  *
 268  * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
 269  *
 270  * You'll break i960 if you shift the SYSPROC bits anywhere else.  for
 271  * more on the balname/callname hack, see tc-i960.h.  b.out is done
 272  * differently.
 273  */
 274
 275 #define SF_I960_MASK    (0x000001ff)    /* Bits 0-8 are used by the i960 port. */
 276 #define SF_SYSPROC      (0x0000003f)    /* bits 0-5 are used to store the sysproc number */
 277 #define SF_IS_SYSPROC   (0x00000040)    /* bit 6 marks symbols that are sysprocs */
 278 #define SF_BALNAME      (0x00000080)    /* bit 7 marks BALNAME symbols */
 279 #define SF_CALLNAME     (0x00000100)    /* bit 8 marks CALLNAME symbols */
 280
 281 #define SF_NORMAL_MASK  (0x0000ffff)    /* bits 12-15 are general purpose. */
 282
 283 #define SF_STATICS      (0x00001000)    /* Mark the .text & all symbols */
 284 #define SF_DEFINED      (0x00002000)    /* Symbol is defined in this file */
 285 #define SF_STRING       (0x00004000)    /* Symbol name length > 8 */
 286 #define SF_LOCAL        (0x00008000)    /* Symbol must not be emitted */
 287
 288 #define SF_DEBUG_MASK   (0xffff0000)    /* bits 16-31 are debug info */
 289
 290 #define SF_FUNCTION     (0x00010000)    /* The symbol is a function */
 291 #define SF_PROCESS      (0x00020000)    /* Process symbol before write */
 292 #define SF_TAGGED       (0x00040000)    /* Is associated with a tag */
 293 #define SF_TAG          (0x00080000)    /* Is a tag */
 294 #define SF_DEBUG        (0x00100000)    /* Is in debug or abs section */
 295 #define SF_GET_SEGMENT  (0x00200000)    /* Get the section of the forward symbol. */
 296 /* All other bits are unused. */
 297
 298 /* Accessors */
 299 #define SF_GET(s)               ((s)->sy_symbol.ost_flags)
 300 #define SF_GET_NORMAL_FIELD(s)  ((s)->sy_symbol.ost_flags & SF_NORMAL_MASK)
 301 #define SF_GET_DEBUG_FIELD(s)   ((s)->sy_symbol.ost_flags & SF_DEBUG_MASK)
 302 #define SF_GET_FILE(s)          ((s)->sy_symbol.ost_flags & SF_FILE)
 303 #define SF_GET_STATICS(s)       ((s)->sy_symbol.ost_flags & SF_STATICS)
 304 #define SF_GET_DEFINED(s)       ((s)->sy_symbol.ost_flags & SF_DEFINED)
 305 #define SF_GET_STRING(s)        ((s)->sy_symbol.ost_flags & SF_STRING)
 306 #define SF_GET_LOCAL(s)         ((s)->sy_symbol.ost_flags & SF_LOCAL)
 307 #define SF_GET_FUNCTION(s)      ((s)->sy_symbol.ost_flags & SF_FUNCTION)
 308 #define SF_GET_PROCESS(s)       ((s)->sy_symbol.ost_flags & SF_PROCESS)
 309 #define SF_GET_DEBUG(s)         ((s)->sy_symbol.ost_flags & SF_DEBUG)
 310 #define SF_GET_TAGGED(s)        ((s)->sy_symbol.ost_flags & SF_TAGGED)
 311 #define SF_GET_TAG(s)           ((s)->sy_symbol.ost_flags & SF_TAG)
 312 #define SF_GET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags & SF_GET_SEGMENT)
 313 #define SF_GET_I960(s)          ((s)->sy_symbol.ost_flags & SF_I960_MASK)       /* used by i960 */
 314 #define SF_GET_BALNAME(s)       ((s)->sy_symbol.ost_flags & SF_BALNAME) /* used by i960 */
 315 #define SF_GET_CALLNAME(s)      ((s)->sy_symbol.ost_flags & SF_CALLNAME)        /* used by i960 */
 316 #define SF_GET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags & SF_IS_SYSPROC)      /* used by i960 */
 317 #define SF_GET_SYSPROC(s)       ((s)->sy_symbol.ost_flags & SF_SYSPROC) /* used by i960 */
 318
 319 /* Modifiers */
 320 #define SF_SET(s,v)             ((s)->sy_symbol.ost_flags = (v))
 321 #define SF_SET_NORMAL_FIELD(s,v)((s)->sy_symbol.ost_flags |= ((v) & SF_NORMAL_MASK))
 322 #define SF_SET_DEBUG_FIELD(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_DEBUG_MASK))
 323 #define SF_SET_FILE(s)          ((s)->sy_symbol.ost_flags |= SF_FILE)
 324 #define SF_SET_STATICS(s)       ((s)->sy_symbol.ost_flags |= SF_STATICS)
 325 #define SF_SET_DEFINED(s)       ((s)->sy_symbol.ost_flags |= SF_DEFINED)
 326 #define SF_SET_STRING(s)        ((s)->sy_symbol.ost_flags |= SF_STRING)
 327 #define SF_SET_LOCAL(s)         ((s)->sy_symbol.ost_flags |= SF_LOCAL)
 328 #define SF_CLEAR_LOCAL(s)       ((s)->sy_symbol.ost_flags &= ~SF_LOCAL)
 329 #define SF_SET_FUNCTION(s)      ((s)->sy_symbol.ost_flags |= SF_FUNCTION)
 330 #define SF_SET_PROCESS(s)       ((s)->sy_symbol.ost_flags |= SF_PROCESS)
 331 #define SF_SET_DEBUG(s)         ((s)->sy_symbol.ost_flags |= SF_DEBUG)
 332 #define SF_SET_TAGGED(s)        ((s)->sy_symbol.ost_flags |= SF_TAGGED)
 333 #define SF_SET_TAG(s)           ((s)->sy_symbol.ost_flags |= SF_TAG)
 334 #define SF_SET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags |= SF_GET_SEGMENT)
 335 #define SF_SET_I960(s,v)        ((s)->sy_symbol.ost_flags |= ((v) & SF_I960_MASK))      /* used by i960 */
 336 #define SF_SET_BALNAME(s)       ((s)->sy_symbol.ost_flags |= SF_BALNAME)        /* used by i960 */
 337 #define SF_SET_CALLNAME(s)      ((s)->sy_symbol.ost_flags |= SF_CALLNAME)       /* used by i960 */
 338 #define SF_SET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags |= SF_IS_SYSPROC)     /* used by i960 */
 339 #define SF_SET_SYSPROC(s,v)     ((s)->sy_symbol.ost_flags |= ((v) & SF_SYSPROC))        /* used by i960 */
 340
 341 /* File header macro and type definition */
 342
 343 /*
 344  * File position calculators. Beware to use them when all the
 345  * appropriate fields are set in the header.
 346  */
 347
 348 #ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
 349 #define OBJ_COFF_AOUTHDRSZ (0)
 350 #else
 351 #define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
 352 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 353
 354 #define H_GET_FILE_SIZE(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) + H_GET_LINENO_SIZE(h) + \
 359            H_GET_SYMBOL_TABLE_SIZE(h) + \
 360            (h)->string_table_size)
 361 #define H_GET_TEXT_FILE_OFFSET(h) \
 362     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 363            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
 364 #define H_GET_DATA_FILE_OFFSET(h) \
 365     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 366            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 367            H_GET_TEXT_SIZE(h))
 368 #define H_GET_BSS_FILE_OFFSET(h) 0
 369 #define H_GET_RELOCATION_FILE_OFFSET(h) \
 370     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 371            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 372            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
 373 #define H_GET_LINENO_FILE_OFFSET(h) \
 374     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 375            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 376            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 377            H_GET_RELOCATION_SIZE(h))
 378 #define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
 379     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 380            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 381            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 382            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
 383
 384 /* Accessors */
 385 /* aouthdr */
 386 #define H_GET_MAGIC_NUMBER(h)           ((h)->aouthdr.magic)
 387 #define H_GET_VERSION_STAMP(h)          ((h)->aouthdr.vstamp)
 388 #define H_GET_TEXT_SIZE(h)              ((h)->aouthdr.tsize)
 389 #define H_GET_DATA_SIZE(h)              ((h)->aouthdr.dsize)
 390 #define H_GET_BSS_SIZE(h)               ((h)->aouthdr.bsize)
 391 #define H_GET_ENTRY_POINT(h)            ((h)->aouthdr.entry)
 392 #define H_GET_TEXT_START(h)             ((h)->aouthdr.text_start)
 393 #define H_GET_DATA_START(h)             ((h)->aouthdr.data_start)
 394 /* filehdr */
 395 #define H_GET_FILE_MAGIC_NUMBER(h)      ((h)->filehdr.f_magic)
 396 #define H_GET_NUMBER_OF_SECTIONS(h)     ((h)->filehdr.f_nscns)
 397 #define H_GET_TIME_STAMP(h)             ((h)->filehdr.f_timdat)
 398 #define H_GET_SYMBOL_TABLE_POINTER(h)   ((h)->filehdr.f_symptr)
 399 #define H_GET_SYMBOL_COUNT(h)           ((h)->filehdr.f_nsyms)
 400 #define H_GET_SYMBOL_TABLE_SIZE(h)      (H_GET_SYMBOL_COUNT(h) * SYMESZ)
 401 #define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
 402 #define H_GET_FLAGS(h)                  ((h)->filehdr.f_flags)
 403 /* Extra fields to achieve bsd a.out compatibility and for convenience */
 404 #define H_GET_RELOCATION_SIZE(h)        ((h)->relocation_size)
 405 #define H_GET_STRING_SIZE(h)            ((h)->string_table_size)
 406 #define H_GET_LINENO_SIZE(h)            ((h)->lineno_size)
 407
 408 #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
 409 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 410                                          + sizeof(AOUTHDR)\
 411                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 412 #else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 413 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 414                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 415 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 416
 417 #define H_GET_TEXT_RELOCATION_SIZE(h)   (text_section_header.s_nreloc * RELSZ)
 418 #define H_GET_DATA_RELOCATION_SIZE(h)   (data_section_header.s_nreloc * RELSZ)
 419
 420 /* Modifiers */
 421 /* aouthdr */
 422 #define H_SET_MAGIC_NUMBER(h,v)         ((h)->aouthdr.magic = (v))
 423 #define H_SET_VERSION_STAMP(h,v)        ((h)->aouthdr.vstamp = (v))
 424 #define H_SET_TEXT_SIZE(h,v)            ((h)->aouthdr.tsize = (v))
 425 #define H_SET_DATA_SIZE(h,v)            ((h)->aouthdr.dsize = (v))
 426 #define H_SET_BSS_SIZE(h,v)             ((h)->aouthdr.bsize = (v))
 427 #define H_SET_ENTRY_POINT(h,v)          ((h)->aouthdr.entry = (v))
 428 #define H_SET_TEXT_START(h,v)           ((h)->aouthdr.text_start = (v))
 429 #define H_SET_DATA_START(h,v)           ((h)->aouthdr.data_start = (v))
 430 /* filehdr */
 431 #define H_SET_FILE_MAGIC_NUMBER(h,v)    ((h)->filehdr.f_magic = (v))
 432 #define H_SET_NUMBER_OF_SECTIONS(h,v)   ((h)->filehdr.f_nscns = (v))
 433 #define H_SET_TIME_STAMP(h,v)           ((h)->filehdr.f_timdat = (v))
 434 #define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
 435 #define H_SET_SYMBOL_TABLE_SIZE(h,v)    ((h)->filehdr.f_nsyms = (v))
 436 #define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
 437 #define H_SET_FLAGS(h,v)                ((h)->filehdr.f_flags = (v))
 438 /* Extra fields to achieve bsd a.out compatibility and for convinience */
 439 #define H_SET_RELOCATION_SIZE(h,t,d)    ((h)->relocation_size = (t)+(d))
 440 #define H_SET_STRING_SIZE(h,v)          ((h)->string_table_size = (v))
 441 #define H_SET_LINENO_SIZE(h,v)          ((h)->lineno_size = (v))
 442
 443 /* Segment flipping */
 444
 445 typedef struct
 446   {
 447 #ifdef BFD_HEADERS
 448     struct internal_aouthdr aouthdr;    /* a.out header */
 449     struct internal_filehdr filehdr;    /* File header, not machine dep. */
 450 #else
 451     AOUTHDR aouthdr;            /* a.out header */
 452     FILHDR filehdr;             /* File header, not machine dep. */
 453 #endif
 454     long string_table_size;     /* names + '\0' + sizeof(int) */
 455     long relocation_size;       /* Cumulated size of relocation
 456                                            information for all sections in
 457                                            bytes. */
 458     long lineno_size;           /* Size of the line number information
 459                                            table in bytes */
 460   }
 461
 462 object_headers;
 463
 464
 465
 466 struct lineno_list
 467 {
 468
 469   struct bfd_internal_lineno line;
 470   char *frag;                   /* Frag to which the line number is related */
 471   struct lineno_list *next;     /* Forward chain pointer */
 472 };
 473
 474
 475
 476
 477 /* stack stuff */
 478 typedef struct
 479   {
 480     unsigned long chunk_size;
 481     unsigned long element_size;
 482     unsigned long size;
 483     char *data;
 484     unsigned long pointer;
 485   }
 486
 487 stack;
 488
 489 #define obj_segment_name(i) (segment_info[(int) (i)].scnhdr.s_name)
 490
 491 #define obj_add_segment(s) obj_coff_add_segment (s)
 492
 493 extern segT obj_coff_add_segment PARAMS ((const char *));
 494
 495 extern void obj_coff_section PARAMS ((int));
 496
 497 extern void c_dot_file_symbol PARAMS ((char *filename));
 498 extern void obj_extra_stuff PARAMS ((object_headers * headers));
 499 extern void stack_delete PARAMS ((stack * st));
 500
 501 extern segT s_get_segment PARAMS ((struct symbol * ptr));
 502
 503 extern void c_section_header PARAMS ((struct internal_scnhdr * header,
 504                                       char *name,
 505                                       long core_address,
 506                                       long size,
 507                                       long data_ptr,
 508                                       long reloc_ptr,
 509                                       long lineno_ptr,
 510                                       long reloc_number,
 511                                       long lineno_number,
 512                                       long alignment));
 513
 514
 515 /* sanity check */
 516
 517 #ifdef TC_I960
 518 #ifndef C_LEAFSTAT
 519 hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
 520 #endif /* no C_LEAFSTAT */
 521 #endif /* TC_I960 */
 522 #ifdef BFD_HEADERS
 523 extern struct internal_scnhdr data_section_header;
 524 extern struct internal_scnhdr text_section_header;
 525 #else
 526 extern SCNHDR data_section_header;
 527 extern SCNHDR text_section_header;
 528 #endif
 529
 530 /* Forward the segment of a forwarded symbol.  */
 531 #define obj_frob_forward_symbol(symp) \
 532   (SF_GET_GET_SEGMENT (symp) \
 533    ? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \
 534    : 0)
 535
 536 /* Stabs in a coff file go into their own section. */
 537
 538 #define SEPARATE_STAB_SECTIONS
 539
 540 /* We need 12 bytes at the start of the section to hold some initial
 541    information.  */
 542
 543 extern void obj_coff_init_stab_section PARAMS ((segT));
 544
 545 #define INIT_STAB_SECTION(seg) obj_coff_init_stab_section (seg)
 546
 547 #endif /* OBJ_FORMAT_H */