gas/config/obj-coff.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 #define OBJ_COFF 1
  21
  22 #include "targ-cpu.h"
  23
  24 #if defined (BFD_HEADERS) || defined (BFD_ASSEMBLER)
  25
  26 /* This internal_lineno crap is to stop namespace pollution from the
  27    bfd internal coff headerfile. */
  28
  29 #include "bfd.h"
  30 #define internal_lineno bfd_internal_lineno
  31 #include "coff/internal.h"
  32 #undef internal_lineno
  33
  34 #ifdef BFD_ASSEMBLER
  35 #include "../bfd/libcoff.h"
  36 #endif
  37
  38 #ifdef TC_A29K
  39 #include "coff/a29k.h"
  40
  41 /*
  42   #undef RELOC
  43   #undef SYMENT
  44   #undef AUXENT
  45   #undef LINENO
  46   #undef FILHDR
  47   #undef SCNHDR
  48   #define RELOC struct internal_reloc
  49   #define SYMENT struct internal_syment
  50   #define AUXENT union internal_auxent
  51   #define SCNHDR struct internal_scnhdr
  52   #define LINENO struct bfd_internal_lineno
  53   #define AOUTHDR struct internal_aouthdr
  54   #define FILHDR struct internal_filehdr
  55   #define AOUTHDRSZ sizeof(struct external_aouthdr)
  56   */
  57 /*#define x_endndx x_endndx.l
  58   #define x_tagndx x_tagndx.l*/
  59 #define TARGET_FORMAT "coff-a29k-big"
  60 extern bfd *stdoutput;
  61
  62 #endif /* TC_A29K */
  63
  64 #ifdef TC_I960
  65 #include "coff/i960.h"
  66 #define TARGET_FORMAT "coff-i960-big"
  67 #endif
  68
  69 #ifdef TC_I386
  70 #  include "coff/i386.h"
  71 #  define TARGET_FORMAT "coff-i386"
  72 extern bfd *stdoutput;
  73
  74 #endif /* TC_I386 */
  75
  76 #ifdef TC_M68K
  77 #  include "coff/m68k.h"
  78 #  define TARGET_FORMAT "coff-m68k"
  79 #endif /* TC_M68K */
  80
  81 #else /* not BFD_HEADERS */
  82
  83 #ifdef USE_NATIVE_HEADERS
  84 #include <filehdr.h>
  85 #include <aouthdr.h>
  86 #include <scnhdr.h>
  87 #include <storclass.h>
  88 #include <linenum.h>
  89 #include <syms.h>
  90 #include <reloc.h>
  91 #include <sys/types.h>
  92 #else /* not USE_NATIVE_HEADERS */
  93 #include "coff_gnu.h"
  94 #endif /* not USE_NATIVE_HEADERS */
  95
  96 #endif /* not BFD_HEADERS */
  97
  98 #ifndef BFD_ASSEMBLER
  99 /* Define some processor dependent values according to the processor
 100    we are on. */
 101 #ifdef TC_M68K
 102
 103 #define BYTE_ORDERING           F_AR32W /* See filehdr.h for more info. */
 104 #ifndef FILE_HEADER_MAGIC
 105 #define FILE_HEADER_MAGIC       MC68MAGIC       /* ... */
 106 #endif /* FILE_HEADER_MAGIC */
 107
 108 #endif /* TC_M68K */
 109
 110 #if defined(TC_I386)
 111
 112 #define BYTE_ORDERING           F_AR32WR        /* See filehdr.h for more info. */
 113 #ifndef FILE_HEADER_MAGIC
 114 #define FILE_HEADER_MAGIC       I386MAGIC       /* ... */
 115 #endif /* FILE_HEADER_MAGIC */
 116
 117 #endif /* TC_I386 */
 118
 119 #if defined(TC_I960)
 120
 121 #define BYTE_ORDERING           F_AR32WR        /* See filehdr.h for more info. */
 122 #ifndef FILE_HEADER_MAGIC
 123 #define FILE_HEADER_MAGIC       I960ROMAGIC     /* ... */
 124 #endif /* FILE_HEADER_MAGIC */
 125
 126 #endif /* TC_I960 */
 127
 128 #if defined(TC_A29K)
 129
 130 #define BYTE_ORDERING           F_AR32W /* big endian. */
 131 #ifndef FILE_HEADER_MAGIC
 132 #define FILE_HEADER_MAGIC       SIPFBOMAGIC
 133 #endif /* FILE_HEADER_MAGIC */
 134
 135 #endif /* TC_A29K */
 136
 137 #ifndef OBJ_COFF_MAX_AUXENTRIES
 138 #define OBJ_COFF_MAX_AUXENTRIES 1
 139 #endif /* OBJ_COFF_MAX_AUXENTRIES */
 140
 141 extern const short seg_N_TYPE[];
 142 extern const segT N_TYPE_seg[];
 143
 144 /* Magic number of paged executable. */
 145 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE    (FILE_HEADER_MAGIC)
 146
 147 #ifndef BFD_HEADERS
 148
 149 /* Add these definitions to have a consistent convention for all the
 150    types used in COFF format. */
 151 #define AOUTHDR                 struct aouthdr
 152 #define AOUTHDRSZ               sizeof(AOUTHDR)
 153 #endif
 154
 155 #endif /* not BFD_ASSEMBLER */
 156
 157
 158 /* SYMBOL TABLE */
 159
 160 /* targets may also set this */
 161 #ifndef SYMBOLS_NEED_BACKPOINTERS
 162 #define SYMBOLS_NEED_BACKPOINTERS 1
 163 #endif /* SYMBOLS_NEED_BACKPOINTERS */
 164
 165 #ifdef BFD_ASSEMBLER
 166
 167 #ifdef TC_I960
 168 #define I960_SYM_FIELDS         struct symbol *bal;
 169 #else
 170 #define I960_SYM_FIELDS
 171 #endif
 172
 173 #define TARGET_SYMBOL_FIELDS    unsigned long sy_flags; I960_SYM_FIELDS
 174
 175 #ifndef OBJ_COFF_MAX_AUXENTRIES
 176 #define OBJ_COFF_MAX_AUXENTRIES 1
 177 #endif
 178
 179 #else
 180
 181 /* Symbol table entry data type */
 182
 183 typedef struct
 184   {
 185 #ifdef BFD_HEADERS
 186     struct internal_syment ost_entry;   /* Basic symbol */
 187     union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES];  /* Auxiliary entry. */
 188 #else
 189     SYMENT ost_entry;           /* Basic symbol */
 190     AUXENT ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
 191 #endif
 192     unsigned int ost_flags;     /* obj_coff internal use only flags */
 193   }
 194 obj_symbol_type;
 195 #endif /* ! BFD_ASSEMBLER */
 196
 197 #ifdef BFD_ASSEMBLER
 198 #define SYM_AUXENT(S)   (&coffsymbol ((S)->bsym)->native[1].u.auxent)
 199 #else
 200 #define SYM_AUXENT(S)   (&(S)->sy_symbol.ost_auxent[0])
 201 #endif
 202
 203 #define DO_NOT_STRIP    0
 204 #define DO_STRIP        1
 205
 206 #ifndef BFD_ASSEMBLER
 207
 208 /* Symbol table macros and constants */
 209
 210 /* Possible and usefull section number in symbol table
 211  * The values of TEXT, DATA and BSS may not be portable.
 212  */
 213
 214 #define C_TEXT_SECTION          ((short)1)
 215 #define C_DATA_SECTION          ((short)2)
 216 #define C_BSS_SECTION           ((short)3)
 217 #define C_ABS_SECTION           N_ABS
 218 #define C_UNDEF_SECTION         N_UNDEF
 219 #define C_DEBUG_SECTION         N_DEBUG
 220 #define C_NTV_SECTION           N_TV
 221 #define C_PTV_SECTION           P_TV
 222 #define C_REGISTER_SECTION      4
 223
 224 /*
 225  *  Macros to extract information from a symbol table entry.
 226  *  This syntaxic indirection allows independence regarding a.out or coff.
 227  *  The argument (s) of all these macros is a pointer to a symbol table entry.
 228  */
 229
 230 /* Predicates */
 231 /* True if the symbol is external */
 232 #define S_IS_EXTERNAL(s)        ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
 233 /* True if symbol has been defined, ie :
 234    section > 0 (DATA, TEXT or BSS)
 235    section == 0 and value > 0 (external bss symbol) */
 236 #define S_IS_DEFINED(s)         ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
 237                                  ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
 238                                   S_GET_VALUE(s) > 0))
 239 /* True if a debug special symbol entry */
 240 #define S_IS_DEBUG(s)           ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
 241 /* True if a symbol is local symbol name */
 242 /* A symbol name whose name begin with ^A is a gas internal pseudo symbol */
 243 #define S_IS_LOCAL(s)           (S_GET_NAME(s)[0] == '\001' || \
 244                                  (s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION || \
 245                                  (S_LOCAL_NAME(s) && !flagseen['L']))
 246 /* True if a symbol is not defined in this file */
 247 #define S_IS_EXTERN(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 \
 248                                  && S_GET_VALUE (s) == 0)
 249 /*
 250  * True if a symbol can be multiply defined (bss symbols have this def
 251  * though it is bad practice)
 252  */
 253 #define S_IS_COMMON(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0
 254                                  && S_GET_VALUE (s) != 0)
 255 /* True if a symbol name is in the string table, i.e. its length is > 8. */
 256 #define S_IS_STRING(s)          (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
 257
 258 /* Accessors */
 259 /* The name of the symbol */
 260 #define S_GET_NAME(s)           ((char*)(s)->sy_symbol.ost_entry.n_offset)
 261 /* The pointer to the string table */
 262 #define S_GET_OFFSET(s)         ((s)->sy_symbol.ost_entry.n_offset)
 263 /* The zeroes if symbol name is longer than 8 chars */
 264 #define S_GET_ZEROES(s)         ((s)->sy_symbol.ost_entry.n_zeroes)
 265 /* The numeric value of the segment */
 266 #define S_GET_SEGMENT(s)        (N_TYPE_seg[(s)->sy_symbol.ost_entry.n_scnum+4])
 267 /* The data type */
 268 #define S_GET_DATA_TYPE(s)      ((s)->sy_symbol.ost_entry.n_type)
 269 /* The storage class */
 270 #define S_GET_STORAGE_CLASS(s)  ((s)->sy_symbol.ost_entry.n_sclass)
 271 /* The number of auxiliary entries */
 272 #define S_GET_NUMBER_AUXILIARY(s)       ((s)->sy_symbol.ost_entry.n_numaux)
 273
 274 /* Modifiers */
 275 /* Set the name of the symbol */
 276 #define S_SET_NAME(s,v)         ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
 277 /* Set the offset of the symbol */
 278 #define S_SET_OFFSET(s,v)       ((s)->sy_symbol.ost_entry.n_offset = (v))
 279 /* The zeroes if symbol name is longer than 8 chars */
 280 #define S_SET_ZEROES(s,v)               ((s)->sy_symbol.ost_entry.n_zeroes = (v))
 281 /* The numeric value of the segment */
 282 #define S_SET_SEGMENT(s,v)      ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
 283 /* The data type */
 284 #define S_SET_DATA_TYPE(s,v)    ((s)->sy_symbol.ost_entry.n_type = (v))
 285 /* The storage class */
 286 #define S_SET_STORAGE_CLASS(s,v)        ((s)->sy_symbol.ost_entry.n_sclass = (v))
 287 /* The number of auxiliary entries */
 288 #define S_SET_NUMBER_AUXILIARY(s,v)     ((s)->sy_symbol.ost_entry.n_numaux = (v))
 289
 290 /* Additional modifiers */
 291 /* The symbol is external (does not mean undefined) */
 292 #define S_SET_EXTERNAL(s)       { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
 293
 294 #else /* BFD_ASSEMBLER */
 295
 296 /* The data type */
 297 #define S_GET_DATA_TYPE(s)      (coffsymbol ((s)->bsym)->native->u.syment.n_type)
 298 /* The storage class */
 299 #define S_GET_STORAGE_CLASS(s)  (coffsymbol((s)->bsym)->native->u.syment.n_sclass)
 300 /* The number of auxiliary entries */
 301 #define S_GET_NUMBER_AUXILIARY(s)       (coffsymbol((s)->bsym)->native->u.syment.n_numaux)
 302 /* The data type */
 303 #define S_SET_DATA_TYPE(s,v)    (S_GET_DATA_TYPE (s) = (v))
 304 /* The storage class */
 305 #define S_SET_STORAGE_CLASS(s,v)        (S_GET_STORAGE_CLASS (s) = (v))
 306 /* The number of auxiliary entries */
 307 #define S_SET_NUMBER_AUXILIARY(s,v)     (S_GET_NUMBER_AUXILIARY (s) = (v))
 308
 309 /* True if a symbol name is in the string table, i.e. its length is > 8. */
 310 #define S_IS_STRING(s)          (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
 311
 312
 313 #endif /* ! BFD_ASSEMBLER */
 314
 315 /* Auxiliary entry macros. SA_ stands for symbol auxiliary */
 316 /* Omit the tv related fields */
 317 /* Accessors */
 318
 319 #ifdef BFD_HEADERS
 320 #define SA_GET_SYM_TAGNDX(s)    (SYM_AUXENT (s)->x_sym.x_tagndx.l)
 321 #else
 322 #define SA_GET_SYM_TAGNDX(s)    (SYM_AUXENT (s)->x_sym.x_tagndx)
 323 #endif
 324 #define SA_GET_SYM_LNNO(s)      (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno)
 325 #define SA_GET_SYM_SIZE(s)      (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size)
 326 #define SA_GET_SYM_FSIZE(s)     (SYM_AUXENT (s)->x_sym.x_misc.x_fsize)
 327 #define SA_GET_SYM_LNNOPTR(s)   (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr)
 328 #ifdef BFD_HEADERS
 329 #define SA_GET_SYM_ENDNDX(s)    (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l)
 330 #else
 331 #define SA_GET_SYM_ENDNDX(s)    (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx)
 332 #endif
 333 #define SA_GET_SYM_DIMEN(s,i)   (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)])
 334 #define SA_GET_FILE_FNAME(s)    (SYM_AUXENT (s)->x_file.x_fname)
 335 #define SA_GET_SCN_SCNLEN(s)    (SYM_AUXENT (s)->x_scn.x_scnlen)
 336 #define SA_GET_SCN_NRELOC(s)    (SYM_AUXENT (s)->x_scn.x_nreloc)
 337 #define SA_GET_SCN_NLINNO(s)    (SYM_AUXENT (s)->x_scn.x_nlinno)
 338
 339 /* Modifiers */
 340 #ifndef BFD_ASSEMBLER
 341 #ifdef BFD_HEADERS
 342 #define SA_SET_SYM_TAGNDX(s,v)  (SYM_AUXENT (s)->x_sym.x_tagndx.l=(v))
 343 #define SA_SET_SYM_ENDNDX(s,v)  (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
 344 #else
 345 #define SA_SET_SYM_ENDNDX(s,v)  (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx=(v))
 346 #define SA_SET_SYM_TAGNDX(s,v)  (SYM_AUXENT (s)->x_sym.x_tagndx=(v))
 347 #endif
 348 #endif
 349
 350 #define SA_SET_SYM_LNNO(s,v)    (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno=(v))
 351 #define SA_SET_SYM_SIZE(s,v)    (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size=(v))
 352 #define SA_SET_SYM_FSIZE(s,v)   (SYM_AUXENT (s)->x_sym.x_misc.x_fsize=(v))
 353 #define SA_SET_SYM_LNNOPTR(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
 354 #define SA_SET_SYM_DIMEN(s,i,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
 355 #define SA_SET_FILE_FNAME(s,v)  strncpy(SYM_AUXENT (s)->x_file.x_fname,(v),FILNMLEN)
 356 #define SA_SET_SCN_SCNLEN(s,v)  (SYM_AUXENT (s)->x_scn.x_scnlen=(v))
 357 #define SA_SET_SCN_NRELOC(s,v)  (SYM_AUXENT (s)->x_scn.x_nreloc=(v))
 358 #define SA_SET_SCN_NLINNO(s,v)  (SYM_AUXENT (s)->x_scn.x_nlinno=(v))
 359
 360 /*
 361  * Internal use only definitions. SF_ stands for symbol flags.
 362  *
 363  * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
 364  *
 365  * You'll break i960 if you shift the SYSPROC bits anywhere else.  for
 366  * more on the balname/callname hack, see tc-i960.h.  b.out is done
 367  * differently.
 368  */
 369
 370 #define SF_I960_MASK    (0x000001ff)    /* Bits 0-8 are used by the i960 port. */
 371 #define SF_SYSPROC      (0x0000003f)    /* bits 0-5 are used to store the sysproc number */
 372 #define SF_IS_SYSPROC   (0x00000040)    /* bit 6 marks symbols that are sysprocs */
 373 #define SF_BALNAME      (0x00000080)    /* bit 7 marks BALNAME symbols */
 374 #define SF_CALLNAME     (0x00000100)    /* bit 8 marks CALLNAME symbols */
 375
 376 #define SF_NORMAL_MASK  (0x0000ffff)    /* bits 12-15 are general purpose. */
 377
 378 #define SF_STATICS      (0x00001000)    /* Mark the .text & all symbols */
 379 #define SF_DEFINED      (0x00002000)    /* Symbol is defined in this file */
 380 #define SF_STRING       (0x00004000)    /* Symbol name length > 8 */
 381 #define SF_LOCAL        (0x00008000)    /* Symbol must not be emitted */
 382
 383 #define SF_DEBUG_MASK   (0xffff0000)    /* bits 16-31 are debug info */
 384
 385 #define SF_FUNCTION     (0x00010000)    /* The symbol is a function */
 386 #define SF_PROCESS      (0x00020000)    /* Process symbol before write */
 387 #define SF_TAGGED       (0x00040000)    /* Is associated with a tag */
 388 #define SF_TAG          (0x00080000)    /* Is a tag */
 389 #define SF_DEBUG        (0x00100000)    /* Is in debug or abs section */
 390 #define SF_GET_SEGMENT  (0x00200000)    /* Get the section of the forward symbol. */
 391 /* All other bits are unused. */
 392
 393 /* Accessors */
 394 #ifdef BFD_ASSEMBLER
 395 #define SF_GET(s)               ((s)->sy_flags)
 396 #define SF_GET_DEBUG(s)         ((s)->bsym->flags & BSF_DEBUGGING)
 397 #define SF_SET_DEBUG(s)         ((s)->bsym->flags |= BSF_DEBUGGING)
 398 #else
 399 #define SF_GET(s)               ((s)->sy_symbol.ost_flags)
 400 #define SF_GET_DEBUG(s)         ((s)->sy_symbol.ost_flags & SF_DEBUG)
 401 #define SF_SET_DEBUG(s)         ((s)->sy_symbol.ost_flags |= SF_DEBUG)
 402 #endif
 403 #define SF_GET_NORMAL_FIELD(s)  (SF_GET (s) & SF_NORMAL_MASK)
 404 #define SF_GET_DEBUG_FIELD(s)   (SF_GET (s) & SF_DEBUG_MASK)
 405 #define SF_GET_FILE(s)          (SF_GET (s) & SF_FILE)
 406 #define SF_GET_STATICS(s)       (SF_GET (s) & SF_STATICS)
 407 #define SF_GET_DEFINED(s)       (SF_GET (s) & SF_DEFINED)
 408 #define SF_GET_STRING(s)        (SF_GET (s) & SF_STRING)
 409 #define SF_GET_LOCAL(s)         (SF_GET (s) & SF_LOCAL)
 410 #define SF_GET_FUNCTION(s)      (SF_GET (s) & SF_FUNCTION)
 411 #define SF_GET_PROCESS(s)       (SF_GET (s) & SF_PROCESS)
 412 #define SF_GET_TAGGED(s)        (SF_GET (s) & SF_TAGGED)
 413 #define SF_GET_TAG(s)           (SF_GET (s) & SF_TAG)
 414 #define SF_GET_GET_SEGMENT(s)   (SF_GET (s) & SF_GET_SEGMENT)
 415 #define SF_GET_I960(s)          (SF_GET (s) & SF_I960_MASK)     /* used by i960 */
 416 #define SF_GET_BALNAME(s)       (SF_GET (s) & SF_BALNAME)       /* used by i960 */
 417 #define SF_GET_CALLNAME(s)      (SF_GET (s) & SF_CALLNAME)      /* used by i960 */
 418 #define SF_GET_IS_SYSPROC(s)    (SF_GET (s) & SF_IS_SYSPROC)    /* used by i960 */
 419 #define SF_GET_SYSPROC(s)       (SF_GET (s) & SF_SYSPROC)       /* used by i960 */
 420
 421 /* Modifiers */
 422 #define SF_SET(s,v)             (SF_GET (s) = (v))
 423 #define SF_SET_NORMAL_FIELD(s,v)(SF_GET (s) |= ((v) & SF_NORMAL_MASK))
 424 #define SF_SET_DEBUG_FIELD(s,v) (SF_GET (s) |= ((v) & SF_DEBUG_MASK))
 425 #define SF_SET_FILE(s)          (SF_GET (s) |= SF_FILE)
 426 #define SF_SET_STATICS(s)       (SF_GET (s) |= SF_STATICS)
 427 #define SF_SET_DEFINED(s)       (SF_GET (s) |= SF_DEFINED)
 428 #define SF_SET_STRING(s)        (SF_GET (s) |= SF_STRING)
 429 #define SF_SET_LOCAL(s)         (SF_GET (s) |= SF_LOCAL)
 430 #define SF_CLEAR_LOCAL(s)       (SF_GET (s) &= ~SF_LOCAL)
 431 #define SF_SET_FUNCTION(s)      (SF_GET (s) |= SF_FUNCTION)
 432 #define SF_SET_PROCESS(s)       (SF_GET (s) |= SF_PROCESS)
 433 #define SF_SET_TAGGED(s)        (SF_GET (s) |= SF_TAGGED)
 434 #define SF_SET_TAG(s)           (SF_GET (s) |= SF_TAG)
 435 #define SF_SET_GET_SEGMENT(s)   (SF_GET (s) |= SF_GET_SEGMENT)
 436 #define SF_SET_I960(s,v)        (SF_GET (s) |= ((v) & SF_I960_MASK))    /* used by i960 */
 437 #define SF_SET_BALNAME(s)       (SF_GET (s) |= SF_BALNAME)      /* used by i960 */
 438 #define SF_SET_CALLNAME(s)      (SF_GET (s) |= SF_CALLNAME)     /* used by i960 */
 439 #define SF_SET_IS_SYSPROC(s)    (SF_GET (s) |= SF_IS_SYSPROC)   /* used by i960 */
 440 #define SF_SET_SYSPROC(s,v)     (SF_GET (s) |= ((v) & SF_SYSPROC))      /* used by i960 */
 441
 442 /* File header macro and type definition */
 443
 444 #ifndef BFD_ASSEMBLER
 445 /*
 446  * File position calculators. Beware to use them when all the
 447  * appropriate fields are set in the header.
 448  */
 449
 450 #ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
 451 #define OBJ_COFF_AOUTHDRSZ (0)
 452 #else
 453 #define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
 454 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 455
 456 #define H_GET_FILE_SIZE(h) \
 457     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 458            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 459            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 460            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
 461            H_GET_SYMBOL_TABLE_SIZE(h) + \
 462            (h)->string_table_size)
 463 #define H_GET_TEXT_FILE_OFFSET(h) \
 464     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 465            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
 466 #define H_GET_DATA_FILE_OFFSET(h) \
 467     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 468            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 469            H_GET_TEXT_SIZE(h))
 470 #define H_GET_BSS_FILE_OFFSET(h) 0
 471 #define H_GET_RELOCATION_FILE_OFFSET(h) \
 472     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 473            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 474            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
 475 #define H_GET_LINENO_FILE_OFFSET(h) \
 476     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 477            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 478            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 479            H_GET_RELOCATION_SIZE(h))
 480 #define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
 481     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 482            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 483            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 484            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
 485
 486 /* Accessors */
 487 /* aouthdr */
 488 #define H_GET_MAGIC_NUMBER(h)           ((h)->aouthdr.magic)
 489 #define H_GET_VERSION_STAMP(h)          ((h)->aouthdr.vstamp)
 490 #define H_GET_TEXT_SIZE(h)              ((h)->aouthdr.tsize)
 491 #define H_GET_DATA_SIZE(h)              ((h)->aouthdr.dsize)
 492 #define H_GET_BSS_SIZE(h)               ((h)->aouthdr.bsize)
 493 #define H_GET_ENTRY_POINT(h)            ((h)->aouthdr.entry)
 494 #define H_GET_TEXT_START(h)             ((h)->aouthdr.text_start)
 495 #define H_GET_DATA_START(h)             ((h)->aouthdr.data_start)
 496 /* filehdr */
 497 #define H_GET_FILE_MAGIC_NUMBER(h)      ((h)->filehdr.f_magic)
 498 #define H_GET_NUMBER_OF_SECTIONS(h)     ((h)->filehdr.f_nscns)
 499 #define H_GET_TIME_STAMP(h)             ((h)->filehdr.f_timdat)
 500 #define H_GET_SYMBOL_TABLE_POINTER(h)   ((h)->filehdr.f_symptr)
 501 #define H_GET_SYMBOL_COUNT(h)           ((h)->filehdr.f_nsyms)
 502 #define H_GET_SYMBOL_TABLE_SIZE(h)      (H_GET_SYMBOL_COUNT(h) * SYMESZ)
 503 #define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
 504 #define H_GET_FLAGS(h)                  ((h)->filehdr.f_flags)
 505 /* Extra fields to achieve bsd a.out compatibility and for convenience */
 506 #define H_GET_RELOCATION_SIZE(h)        ((h)->relocation_size)
 507 #define H_GET_STRING_SIZE(h)            ((h)->string_table_size)
 508 #define H_GET_LINENO_SIZE(h)            ((h)->lineno_size)
 509
 510 #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
 511 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 512                                          + sizeof(AOUTHDR)\
 513                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 514 #else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 515 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 516                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 517 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 518
 519 #define H_GET_TEXT_RELOCATION_SIZE(h)   (text_section_header.s_nreloc * RELSZ)
 520 #define H_GET_DATA_RELOCATION_SIZE(h)   (data_section_header.s_nreloc * RELSZ)
 521
 522 /* Modifiers */
 523 /* aouthdr */
 524 #define H_SET_MAGIC_NUMBER(h,v)         ((h)->aouthdr.magic = (v))
 525 #define H_SET_VERSION_STAMP(h,v)        ((h)->aouthdr.vstamp = (v))
 526 #define H_SET_TEXT_SIZE(h,v)            ((h)->aouthdr.tsize = (v))
 527 #define H_SET_DATA_SIZE(h,v)            ((h)->aouthdr.dsize = (v))
 528 #define H_SET_BSS_SIZE(h,v)             ((h)->aouthdr.bsize = (v))
 529 #define H_SET_ENTRY_POINT(h,v)          ((h)->aouthdr.entry = (v))
 530 #define H_SET_TEXT_START(h,v)           ((h)->aouthdr.text_start = (v))
 531 #define H_SET_DATA_START(h,v)           ((h)->aouthdr.data_start = (v))
 532 /* filehdr */
 533 #define H_SET_FILE_MAGIC_NUMBER(h,v)    ((h)->filehdr.f_magic = (v))
 534 #define H_SET_NUMBER_OF_SECTIONS(h,v)   ((h)->filehdr.f_nscns = (v))
 535 #define H_SET_TIME_STAMP(h,v)           ((h)->filehdr.f_timdat = (v))
 536 #define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
 537 #define H_SET_SYMBOL_TABLE_SIZE(h,v)    ((h)->filehdr.f_nsyms = (v))
 538 #define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
 539 #define H_SET_FLAGS(h,v)                ((h)->filehdr.f_flags = (v))
 540 /* Extra fields to achieve bsd a.out compatibility and for convinience */
 541 #define H_SET_RELOCATION_SIZE(h,t,d)    ((h)->relocation_size = (t)+(d))
 542 #define H_SET_STRING_SIZE(h,v)          ((h)->string_table_size = (v))
 543 #define H_SET_LINENO_SIZE(h,v)          ((h)->lineno_size = (v))
 544
 545 /* Segment flipping */
 546
 547 typedef struct
 548   {
 549 #ifdef BFD_HEADERS
 550     struct internal_aouthdr aouthdr;    /* a.out header */
 551     struct internal_filehdr filehdr;    /* File header, not machine dep. */
 552 #else
 553     AOUTHDR aouthdr;            /* a.out header */
 554     FILHDR filehdr;             /* File header, not machine dep. */
 555 #endif
 556     long string_table_size;     /* names + '\0' + sizeof(int) */
 557     long relocation_size;       /* Cumulated size of relocation
 558                                            information for all sections in
 559                                            bytes. */
 560     long lineno_size;           /* Size of the line number information
 561                                            table in bytes */
 562   }
 563
 564 object_headers;
 565 #endif /* ! BFD_ASSEMBLER */
 566
 567 /* --------------  Line number handling ------- */
 568 extern int text_lineno_number;
 569
 570 #ifndef BFD_ASSEMBLER
 571 /* line numbering stuff. */
 572
 573 typedef struct internal_lineno
 574   {
 575 #ifdef BFD_HEADERS
 576     struct bfd_internal_lineno line;
 577 #else
 578     LINENO line;                /* The lineno structure itself */
 579 #endif
 580     char *frag;                 /* Frag to which the line number is related */
 581     struct internal_lineno *next;       /* Forward chain pointer */
 582   } lineno;
 583
 584 extern lineno *lineno_lastP;
 585 extern lineno *lineno_rootP;
 586 #define OBJ_EMIT_LINENO(a, b, c)        obj_emit_lineno((a),(b),(c))
 587
 588 #endif /* not BFD_ASSEMBLER */
 589
 590 void obj_emit_lineno PARAMS ((char **where, lineno * line, char *file_start));
 591
 592 /* stack stuff */
 593 typedef struct
 594   {
 595     unsigned long chunk_size;
 596     unsigned long element_size;
 597     unsigned long size;
 598     char *data;
 599     unsigned long pointer;
 600   }
 601
 602 stack;
 603
 604 char *stack_pop PARAMS ((stack * st));
 605 char *stack_push PARAMS ((stack * st, char *element));
 606 char *stack_top PARAMS ((stack * st));
 607 stack *stack_init PARAMS ((unsigned long chunk_size,
 608                            unsigned long element_size));
 609 void c_dot_file_symbol PARAMS ((char *filename));
 610 void obj_extra_stuff PARAMS ((object_headers * headers));
 611 void stack_delete PARAMS ((stack * st));
 612
 613 #ifndef tc_headers_hook
 614 void tc_headers_hook PARAMS ((object_headers * headers));
 615 #endif
 616
 617 #ifndef tc_coff_symbol_emit_hook
 618 void tc_coff_symbol_emit_hook PARAMS ((/* symbolS * */));
 619 #endif
 620
 621 #define obj_check_file_symbols coff_check_file_symbols
 622
 623 #ifndef BFD_ASEMBLER
 624 void c_section_header PARAMS ((
 625 #ifdef BFD_HEADERS
 626                                struct internal_scnhdr *header,
 627 #else
 628                                SCNHDR * header,
 629 #endif
 630                                char *name, long core_address, long size,
 631                                long data_ptr, long reloc_ptr, long lineno_ptr,
 632                                long reloc_number, long lineno_number,
 633                                long alignment));
 634 #endif
 635
 636 /* sanity check */
 637
 638 #ifdef TC_I960
 639 #ifndef C_LEAFSTAT
 640 hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
 641 #endif /* no C_LEAFSTAT */
 642 #endif /* TC_I960 */
 643 #ifndef BFD_ASSEMBLER
 644 #ifdef BFD_HEADERS
 645 extern struct internal_scnhdr data_section_header;
 646 extern struct internal_scnhdr text_section_header;
 647 #else
 648 extern SCNHDR data_section_header;
 649 extern SCNHDR text_section_header;
 650 #endif
 651 #endif
 652
 653 /* end of obj-coff.h */