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 #define TARGET_FORMAT "coff-m68k"
  65 #endif
  66
  67 #ifdef TC_M88K
  68 #include "coff/m88k.h"
  69 #define TARGET_FORMAT "coff-m88kbcs"
  70 #endif
  71
  72 #ifdef TC_I386
  73 #include "coff/i386.h"
  74 #define TARGET_FORMAT "coff-i386"
  75 #endif
  76
  77 #ifdef TC_A29K
  78 #include "coff/a29k.h"
  79 #define TARGET_FORMAT "coff-a29k-big"
  80
  81 /* Allow translate from aout relocs to coff relocs */
  82 #define NO_RELOC 20
  83 #define RELOC_32 1
  84 #define RELOC_8 2
  85 #define RELOC_CONST 3
  86 #define RELOC_CONSTH 4
  87 #define RELOC_JUMPTARG 5
  88 #define RELOC_BASE22 6
  89 #define RELOC_HI22 7
  90 #define RELOC_LO10 8
  91 #define RELOC_BASE13 9
  92 #define RELOC_WDISP22 10
  93 #define RELOC_WDISP30 11
  94 #endif
  95
  96
  97
  98
  99 #ifndef OBJ_COFF_MAX_AUXENTRIES
 100 #define OBJ_COFF_MAX_AUXENTRIES 1
 101 #endif /* OBJ_COFF_MAX_AUXENTRIES */
 102
 103
 104 extern const segT N_TYPE_seg[];
 105
 106 /* Magic number of paged executable. */
 107 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE    0x8300
 108
 109
 110 /* SYMBOL TABLE */
 111
 112 /* targets may also set this */
 113 #ifndef SYMBOLS_NEED_BACKPOINTERS
 114 #define SYMBOLS_NEED_BACKPOINTERS 1
 115 #endif /* SYMBOLS_NEED_BACKPOINTERS */
 116
 117 /* Symbol table entry data type */
 118
 119 typedef struct
 120 {
 121   struct internal_syment ost_entry;     /* Basic symbol */
 122   union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES];    /* Auxiliary entry. */
 123
 124   unsigned int ost_flags;       /* obj_coff internal use only flags */
 125
 126   /* For stabs-in-coff. */
 127   unsigned long n_strx;                 /* index into string table of name */
 128   unsigned char n_type;                 /* type of symbol */
 129   unsigned char n_other;                /* misc info (usually empty) */
 130   unsigned short n_desc;                /* description field */
 131   bfd_vma n_value;                      /* value of symbol */
 132
 133 }
 134
 135 obj_symbol_type;
 136
 137 #define S_SET_OFFSET_2(S,V) ((S)->sy_symbol.n_strx = (V))
 138 #define S_SET_OTHER(S,V) ((S)->sy_symbol.n_other = (V))
 139 #define S_SET_TYPE(S,T) ((S)->sy_symbol.n_type = (T))
 140 #define S_SET_DESC(S,D) ((S)->sy_symbol.n_desc = (D))
 141 #define S_GET_OFFSET_2(S) ((S)->sy_symbol.n_strx)
 142 #define S_GET_OTHER(S) ((S)->sy_symbol.n_other)
 143 #define S_GET_TYPE(S) ((S)->sy_symbol.n_type)
 144 #define S_GET_DESC(S) ((S)->sy_symbol.n_desc)
 145
 146
 147 #ifndef DO_NOT_STRIP
 148 #define DO_NOT_STRIP    0
 149 #define DO_STRIP        1
 150 #endif
 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_ABS_SECTION           N_ABS
 158 #define C_UNDEF_SECTION         N_UNDEF
 159 #define C_DEBUG_SECTION         N_DEBUG
 160 #define C_NTV_SECTION           N_TV
 161 #define C_PTV_SECTION           P_TV
 162 #define C_REGISTER_SECTION      20
 163
 164 /*
 165  *  Macros to extract information from a symbol table entry.
 166  *  This syntaxic indirection allows independence regarding a.out or coff.
 167  *  The argument (s) of all these macros is a pointer to a symbol table entry.
 168  */
 169
 170 /* Predicates */
 171 /* True if the symbol is external */
 172 #define S_IS_EXTERNAL(s)        ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
 173 /* True if symbol has been defined, ie :
 174    section > 0 (DATA, TEXT or BSS)
 175    section == 0 and value > 0 (external bss symbol) */
 176 #define S_IS_DEFINED(s)         ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
 177                                  ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
 178                                   S_GET_VALUE (s) > 0))
 179 /* True if a debug special symbol entry */
 180 #define S_IS_DEBUG(s)           ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
 181 /* True if a symbol is local symbol name */
 182 /* A symbol name whose name includes ^A is a gas internal pseudo symbol */
 183 #define S_IS_LOCAL(s) \
 184   ((s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION \
 185    || (S_LOCAL_NAME(s) && !flagseen['L']) \
 186    || (strchr (s, '\001') != NULL))
 187 /* True if a symbol is not defined in this file */
 188 #define S_IS_EXTERN(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 \
 189                                  && S_GET_VALUE (s) == 0)
 190 /*
 191  * True if a symbol can be multiply defined (bss symbols have this def
 192  * though it is bad practice)
 193  */
 194 #define S_IS_COMMON(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 \
 195                                  && S_GET_VALUE (s) != 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 numeric value of the segment */
 207 #define S_GET_SEGMENT(s)   s_get_segment(s)
 208 /* The data type */
 209 #define S_GET_DATA_TYPE(s)      ((s)->sy_symbol.ost_entry.n_type)
 210 /* The storage class */
 211 #define S_GET_STORAGE_CLASS(s)  ((s)->sy_symbol.ost_entry.n_sclass)
 212 /* The number of auxiliary entries */
 213 #define S_GET_NUMBER_AUXILIARY(s)       ((s)->sy_symbol.ost_entry.n_numaux)
 214
 215 /* Modifiers */
 216 /* Set the name of the symbol */
 217 #define S_SET_NAME(s,v)         ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
 218 /* Set the offset of the symbol */
 219 #define S_SET_OFFSET(s,v)       ((s)->sy_symbol.ost_entry.n_offset = (v))
 220 /* The zeroes if symbol name is longer than 8 chars */
 221 #define S_SET_ZEROES(s,v)               ((s)->sy_symbol.ost_entry.n_zeroes = (v))
 222 /* The numeric value of the segment */
 223 #define S_SET_SEGMENT(s,v)      ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
 224 /* The data type */
 225 #define S_SET_DATA_TYPE(s,v)    ((s)->sy_symbol.ost_entry.n_type = (v))
 226 /* The storage class */
 227 #define S_SET_STORAGE_CLASS(s,v)        ((s)->sy_symbol.ost_entry.n_sclass = (v))
 228 /* The number of auxiliary entries */
 229 #define S_SET_NUMBER_AUXILIARY(s,v)     ((s)->sy_symbol.ost_entry.n_numaux = (v))
 230
 231 /* Additional modifiers */
 232 /* The symbol is external (does not mean undefined) */
 233 #define S_SET_EXTERNAL(s)       { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
 234
 235 /* Auxiliary entry macros. SA_ stands for symbol auxiliary */
 236 /* Omit the tv related fields */
 237 /* Accessors */
 238 #ifdef BFD_HEADERS
 239 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l)
 240 #else
 241 #define SA_GET_SYM_TAGNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx)
 242 #endif
 243 #define SA_GET_SYM_LNNO(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno)
 244 #define SA_GET_SYM_SIZE(s)      ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size)
 245 #define SA_GET_SYM_FSIZE(s)     ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize)
 246 #define SA_GET_SYM_LNNOPTR(s)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr)
 247 #ifdef BFD_HEADERS
 248 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l)
 249 #else
 250 #define SA_GET_SYM_ENDNDX(s)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx)
 251 #endif
 252 #define SA_GET_SYM_DIMEN(s,i)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)])
 253 #define SA_GET_FILE_FNAME(s)    ((s)->sy_symbol.ost_auxent[0].x_file.x_fname)
 254 #define SA_GET_SCN_SCNLEN(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen)
 255 #define SA_GET_SCN_NRELOC(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc)
 256 #define SA_GET_SCN_NLINNO(s)    ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno)
 257
 258 /* Modifiers */
 259 #ifdef BFD_HEADERS
 260 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx.l=(v))
 261 #else
 262 #define SA_SET_SYM_TAGNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_tagndx=(v))
 263 #endif
 264 #define SA_SET_SYM_LNNO(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_lnno=(v))
 265 #define SA_SET_SYM_SIZE(s,v)    ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_lnsz.x_size=(v))
 266 #define SA_SET_SYM_FSIZE(s,v)   ((s)->sy_symbol.ost_auxent[0].x_sym.x_misc.x_fsize=(v))
 267 #define SA_SET_SYM_LNNOPTR(s,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
 268 #ifdef BFD_HEADERS
 269 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
 270 #else
 271 #define SA_SET_SYM_ENDNDX(s,v)  ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_fcn.x_endndx=(v))
 272 #endif
 273 #define SA_SET_SYM_DIMEN(s,i,v) ((s)->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
 274 #define SA_SET_FILE_FNAME(s,v)  strncpy((s)->sy_symbol.ost_auxent[0].x_file.x_fname,(v),FILNMLEN)
 275 #define SA_SET_SCN_SCNLEN(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_scnlen=(v))
 276 #define SA_SET_SCN_NRELOC(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nreloc=(v))
 277 #define SA_SET_SCN_NLINNO(s,v)  ((s)->sy_symbol.ost_auxent[0].x_scn.x_nlinno=(v))
 278
 279 /*
 280  * Internal use only definitions. SF_ stands for symbol flags.
 281  *
 282  * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
 283  *
 284  * You'll break i960 if you shift the SYSPROC bits anywhere else.  for
 285  * more on the balname/callname hack, see tc-i960.h.  b.out is done
 286  * differently.
 287  */
 288
 289 #define SF_I960_MASK    (0x000001ff)    /* Bits 0-8 are used by the i960 port. */
 290 #define SF_SYSPROC      (0x0000003f)    /* bits 0-5 are used to store the sysproc number */
 291 #define SF_IS_SYSPROC   (0x00000040)    /* bit 6 marks symbols that are sysprocs */
 292 #define SF_BALNAME      (0x00000080)    /* bit 7 marks BALNAME symbols */
 293 #define SF_CALLNAME     (0x00000100)    /* bit 8 marks CALLNAME symbols */
 294
 295 #define SF_NORMAL_MASK  (0x0000ffff)    /* bits 12-15 are general purpose. */
 296
 297 #define SF_STATICS      (0x00001000)    /* Mark the .text & all symbols */
 298 #define SF_DEFINED      (0x00002000)    /* Symbol is defined in this file */
 299 #define SF_STRING       (0x00004000)    /* Symbol name length > 8 */
 300 #define SF_LOCAL        (0x00008000)    /* Symbol must not be emitted */
 301
 302 #define SF_DEBUG_MASK   (0xffff0000)    /* bits 16-31 are debug info */
 303
 304 #define SF_FUNCTION     (0x00010000)    /* The symbol is a function */
 305 #define SF_PROCESS      (0x00020000)    /* Process symbol before write */
 306 #define SF_TAGGED       (0x00040000)    /* Is associated with a tag */
 307 #define SF_TAG          (0x00080000)    /* Is a tag */
 308 #define SF_DEBUG        (0x00100000)    /* Is in debug or abs section */
 309 #define SF_GET_SEGMENT  (0x00200000)    /* Get the section of the forward symbol. */
 310 /* All other bits are unused. */
 311
 312 /* Accessors */
 313 #define SF_GET(s)               ((s)->sy_symbol.ost_flags)
 314 #define SF_GET_NORMAL_FIELD(s)  ((s)->sy_symbol.ost_flags & SF_NORMAL_MASK)
 315 #define SF_GET_DEBUG_FIELD(s)   ((s)->sy_symbol.ost_flags & SF_DEBUG_MASK)
 316 #define SF_GET_FILE(s)          ((s)->sy_symbol.ost_flags & SF_FILE)
 317 #define SF_GET_STATICS(s)       ((s)->sy_symbol.ost_flags & SF_STATICS)
 318 #define SF_GET_DEFINED(s)       ((s)->sy_symbol.ost_flags & SF_DEFINED)
 319 #define SF_GET_STRING(s)        ((s)->sy_symbol.ost_flags & SF_STRING)
 320 #define SF_GET_LOCAL(s)         ((s)->sy_symbol.ost_flags & SF_LOCAL)
 321 #define SF_GET_FUNCTION(s)      ((s)->sy_symbol.ost_flags & SF_FUNCTION)
 322 #define SF_GET_PROCESS(s)       ((s)->sy_symbol.ost_flags & SF_PROCESS)
 323 #define SF_GET_DEBUG(s)         ((s)->sy_symbol.ost_flags & SF_DEBUG)
 324 #define SF_GET_TAGGED(s)        ((s)->sy_symbol.ost_flags & SF_TAGGED)
 325 #define SF_GET_TAG(s)           ((s)->sy_symbol.ost_flags & SF_TAG)
 326 #define SF_GET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags & SF_GET_SEGMENT)
 327 #define SF_GET_I960(s)          ((s)->sy_symbol.ost_flags & SF_I960_MASK)       /* used by i960 */
 328 #define SF_GET_BALNAME(s)       ((s)->sy_symbol.ost_flags & SF_BALNAME) /* used by i960 */
 329 #define SF_GET_CALLNAME(s)      ((s)->sy_symbol.ost_flags & SF_CALLNAME)        /* used by i960 */
 330 #define SF_GET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags & SF_IS_SYSPROC)      /* used by i960 */
 331 #define SF_GET_SYSPROC(s)       ((s)->sy_symbol.ost_flags & SF_SYSPROC) /* used by i960 */
 332
 333 /* Modifiers */
 334 #define SF_SET(s,v)             ((s)->sy_symbol.ost_flags = (v))
 335 #define SF_SET_NORMAL_FIELD(s,v)((s)->sy_symbol.ost_flags |= ((v) & SF_NORMAL_MASK))
 336 #define SF_SET_DEBUG_FIELD(s,v) ((s)->sy_symbol.ost_flags |= ((v) & SF_DEBUG_MASK))
 337 #define SF_SET_FILE(s)          ((s)->sy_symbol.ost_flags |= SF_FILE)
 338 #define SF_SET_STATICS(s)       ((s)->sy_symbol.ost_flags |= SF_STATICS)
 339 #define SF_SET_DEFINED(s)       ((s)->sy_symbol.ost_flags |= SF_DEFINED)
 340 #define SF_SET_STRING(s)        ((s)->sy_symbol.ost_flags |= SF_STRING)
 341 #define SF_SET_LOCAL(s)         ((s)->sy_symbol.ost_flags |= SF_LOCAL)
 342 #define SF_CLEAR_LOCAL(s)       ((s)->sy_symbol.ost_flags &= ~SF_LOCAL)
 343 #define SF_SET_FUNCTION(s)      ((s)->sy_symbol.ost_flags |= SF_FUNCTION)
 344 #define SF_SET_PROCESS(s)       ((s)->sy_symbol.ost_flags |= SF_PROCESS)
 345 #define SF_SET_DEBUG(s)         ((s)->sy_symbol.ost_flags |= SF_DEBUG)
 346 #define SF_SET_TAGGED(s)        ((s)->sy_symbol.ost_flags |= SF_TAGGED)
 347 #define SF_SET_TAG(s)           ((s)->sy_symbol.ost_flags |= SF_TAG)
 348 #define SF_SET_GET_SEGMENT(s)   ((s)->sy_symbol.ost_flags |= SF_GET_SEGMENT)
 349 #define SF_SET_I960(s,v)        ((s)->sy_symbol.ost_flags |= ((v) & SF_I960_MASK))      /* used by i960 */
 350 #define SF_SET_BALNAME(s)       ((s)->sy_symbol.ost_flags |= SF_BALNAME)        /* used by i960 */
 351 #define SF_SET_CALLNAME(s)      ((s)->sy_symbol.ost_flags |= SF_CALLNAME)       /* used by i960 */
 352 #define SF_SET_IS_SYSPROC(s)    ((s)->sy_symbol.ost_flags |= SF_IS_SYSPROC)     /* used by i960 */
 353 #define SF_SET_SYSPROC(s,v)     ((s)->sy_symbol.ost_flags |= ((v) & SF_SYSPROC))        /* used by i960 */
 354
 355 /* File header macro and type definition */
 356
 357 /*
 358  * File position calculators. Beware to use them when all the
 359  * appropriate fields are set in the header.
 360  */
 361
 362 #ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
 363 #define OBJ_COFF_AOUTHDRSZ (0)
 364 #else
 365 #define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
 366 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 367
 368 #define H_GET_FILE_SIZE(h) \
 369     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 370            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 371            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 372            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
 373            H_GET_SYMBOL_TABLE_SIZE(h) + \
 374            (h)->string_table_size)
 375 #define H_GET_TEXT_FILE_OFFSET(h) \
 376     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 377            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
 378 #define H_GET_DATA_FILE_OFFSET(h) \
 379     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 380            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 381            H_GET_TEXT_SIZE(h))
 382 #define H_GET_BSS_FILE_OFFSET(h) 0
 383 #define H_GET_RELOCATION_FILE_OFFSET(h) \
 384     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 385            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 386            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
 387 #define H_GET_LINENO_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            H_GET_RELOCATION_SIZE(h))
 392 #define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
 393     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 394            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 395            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 396            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
 397
 398 /* Accessors */
 399 /* aouthdr */
 400 #define H_GET_MAGIC_NUMBER(h)           ((h)->aouthdr.magic)
 401 #define H_GET_VERSION_STAMP(h)          ((h)->aouthdr.vstamp)
 402 #define H_GET_TEXT_SIZE(h)              ((h)->aouthdr.tsize)
 403 #define H_GET_DATA_SIZE(h)              ((h)->aouthdr.dsize)
 404 #define H_GET_BSS_SIZE(h)               ((h)->aouthdr.bsize)
 405 #define H_GET_ENTRY_POINT(h)            ((h)->aouthdr.entry)
 406 #define H_GET_TEXT_START(h)             ((h)->aouthdr.text_start)
 407 #define H_GET_DATA_START(h)             ((h)->aouthdr.data_start)
 408 /* filehdr */
 409 #define H_GET_FILE_MAGIC_NUMBER(h)      ((h)->filehdr.f_magic)
 410 #define H_GET_NUMBER_OF_SECTIONS(h)     ((h)->filehdr.f_nscns)
 411 #define H_GET_TIME_STAMP(h)             ((h)->filehdr.f_timdat)
 412 #define H_GET_SYMBOL_TABLE_POINTER(h)   ((h)->filehdr.f_symptr)
 413 #define H_GET_SYMBOL_COUNT(h)           ((h)->filehdr.f_nsyms)
 414 #define H_GET_SYMBOL_TABLE_SIZE(h)      (H_GET_SYMBOL_COUNT(h) * SYMESZ)
 415 #define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
 416 #define H_GET_FLAGS(h)                  ((h)->filehdr.f_flags)
 417 /* Extra fields to achieve bsd a.out compatibility and for convenience */
 418 #define H_GET_RELOCATION_SIZE(h)        ((h)->relocation_size)
 419 #define H_GET_STRING_SIZE(h)            ((h)->string_table_size)
 420 #define H_GET_LINENO_SIZE(h)            ((h)->lineno_size)
 421
 422 #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
 423 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 424                                          + sizeof(AOUTHDR)\
 425                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 426 #else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 427 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 428                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 429 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 430
 431 #define H_GET_TEXT_RELOCATION_SIZE(h)   (text_section_header.s_nreloc * RELSZ)
 432 #define H_GET_DATA_RELOCATION_SIZE(h)   (data_section_header.s_nreloc * RELSZ)
 433
 434 /* Modifiers */
 435 /* aouthdr */
 436 #define H_SET_MAGIC_NUMBER(h,v)         ((h)->aouthdr.magic = (v))
 437 #define H_SET_VERSION_STAMP(h,v)        ((h)->aouthdr.vstamp = (v))
 438 #define H_SET_TEXT_SIZE(h,v)            ((h)->aouthdr.tsize = (v))
 439 #define H_SET_DATA_SIZE(h,v)            ((h)->aouthdr.dsize = (v))
 440 #define H_SET_BSS_SIZE(h,v)             ((h)->aouthdr.bsize = (v))
 441 #define H_SET_ENTRY_POINT(h,v)          ((h)->aouthdr.entry = (v))
 442 #define H_SET_TEXT_START(h,v)           ((h)->aouthdr.text_start = (v))
 443 #define H_SET_DATA_START(h,v)           ((h)->aouthdr.data_start = (v))
 444 /* filehdr */
 445 #define H_SET_FILE_MAGIC_NUMBER(h,v)    ((h)->filehdr.f_magic = (v))
 446 #define H_SET_NUMBER_OF_SECTIONS(h,v)   ((h)->filehdr.f_nscns = (v))
 447 #define H_SET_TIME_STAMP(h,v)           ((h)->filehdr.f_timdat = (v))
 448 #define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
 449 #define H_SET_SYMBOL_TABLE_SIZE(h,v)    ((h)->filehdr.f_nsyms = (v))
 450 #define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
 451 #define H_SET_FLAGS(h,v)                ((h)->filehdr.f_flags = (v))
 452 /* Extra fields to achieve bsd a.out compatibility and for convinience */
 453 #define H_SET_RELOCATION_SIZE(h,t,d)    ((h)->relocation_size = (t)+(d))
 454 #define H_SET_STRING_SIZE(h,v)          ((h)->string_table_size = (v))
 455 #define H_SET_LINENO_SIZE(h,v)          ((h)->lineno_size = (v))
 456
 457 /* Segment flipping */
 458
 459 typedef struct
 460   {
 461 #ifdef BFD_HEADERS
 462     struct internal_aouthdr aouthdr;    /* a.out header */
 463     struct internal_filehdr filehdr;    /* File header, not machine dep. */
 464 #else
 465     AOUTHDR aouthdr;            /* a.out header */
 466     FILHDR filehdr;             /* File header, not machine dep. */
 467 #endif
 468     long string_table_size;     /* names + '\0' + sizeof(int) */
 469     long relocation_size;       /* Cumulated size of relocation
 470                                            information for all sections in
 471                                            bytes. */
 472     long lineno_size;           /* Size of the line number information
 473                                            table in bytes */
 474   }
 475
 476 object_headers;
 477
 478
 479
 480 struct lineno_list
 481 {
 482
 483   struct bfd_internal_lineno line;
 484   char *frag;                   /* Frag to which the line number is related */
 485   struct lineno_list *next;     /* Forward chain pointer */
 486 };
 487
 488
 489
 490
 491 /* stack stuff */
 492 typedef struct
 493   {
 494     unsigned long chunk_size;
 495     unsigned long element_size;
 496     unsigned long size;
 497     char *data;
 498     unsigned long pointer;
 499   }
 500
 501 stack;
 502
 503
 504
 505 char *EXFUN (stack_pop, (stack * st));
 506 char *EXFUN (stack_push, (stack * st, char *element));
 507 char *EXFUN (stack_top, (stack * st));
 508 stack *EXFUN (stack_init, (unsigned long chunk_size, unsigned long element_size));
 509 void EXFUN (c_dot_file_symbol, (char *filename));
 510 void EXFUN (obj_extra_stuff, (object_headers * headers));
 511 void EXFUN (stack_delete, (stack * st));
 512
 513 segT EXFUN (s_get_segment,(struct symbol * ptr));
 514
 515 void EXFUN (c_section_header, (
 516
 517                                 struct internal_scnhdr * header,
 518                                 char *name,
 519                                 long core_address,
 520                                 long size,
 521                                 long data_ptr,
 522                                 long reloc_ptr,
 523                                 long lineno_ptr,
 524                                 long reloc_number,
 525                                 long lineno_number,
 526                                 long alignment));
 527
 528
 529 /* sanity check */
 530
 531 #ifdef TC_I960
 532 #ifndef C_LEAFSTAT
 533 hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
 534 #endif /* no C_LEAFSTAT */
 535 #endif /* TC_I960 */
 536 #ifdef BFD_HEADERS
 537 extern struct internal_scnhdr data_section_header;
 538 extern struct internal_scnhdr text_section_header;
 539 #else
 540 extern SCNHDR data_section_header;
 541 extern SCNHDR text_section_header;
 542 #endif
 543 #endif
 544
 545 /* Forward the segment of a forwarded symbol.  */
 546 #define obj_frob_forward_symbol(symp) \
 547   (SF_GET_GET_SEGMENT (symp) \
 548    ? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \
 549    : 0)
 550
 551 #define SEPARATE_STAB_SECTIONS
 552
 553 #define MAKE_STAB_SYMBOL(SYM, STR, SEC) \
 554  { extern symbolS current_stab_symbol; \
 555   (SYM) = &current_stab_symbol; \
 556   (SYM)->sy_symbol.n_strx = get_stab_string_offset(STR, SEC);  \
 557  }
 558
 559 /* end of obj-coffbfd.h */