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 #define TARGET_FORMAT "coff-a29k-big"
  41 extern bfd *stdoutput;
  42
  43 #endif /* TC_A29K */
  44
  45 #ifdef TC_I960
  46 #include "coff/i960.h"
  47 #define TARGET_FORMAT "coff-i960-big"
  48 #endif
  49
  50 #ifdef TC_I386
  51 #  include "coff/i386.h"
  52 #  define TARGET_FORMAT "coff-i386"
  53 extern bfd *stdoutput;
  54
  55 #endif /* TC_I386 */
  56
  57 #ifdef TC_M68K
  58 #  include "coff/m68k.h"
  59 #  define TARGET_FORMAT "coff-m68k"
  60 #endif /* TC_M68K */
  61
  62 #ifdef TC_PPC
  63 #include "coff/rs6000.h"
  64 #endif
  65
  66 #ifdef TC_SPARC
  67 #include "coff/sparc.h"
  68 #ifdef TE_LYNX
  69 #define TARGET_FORMAT "coff-sparc-lynx"
  70 #else
  71 #define TARGET_FORMAT "coff-sparc"
  72 #endif
  73 #endif
  74
  75 #else /* not BFD_HEADERS */
  76
  77 #include "coff_gnu.h"
  78
  79 #endif /* not BFD_HEADERS */
  80
  81 #ifndef BFD_ASSEMBLER
  82 /* Define some processor dependent values according to the processor
  83    we are on. */
  84 #ifdef TC_M68K
  85
  86 #define BYTE_ORDERING           F_AR32W /* See filehdr.h for more info. */
  87 #ifndef FILE_HEADER_MAGIC
  88 #define FILE_HEADER_MAGIC       MC68MAGIC       /* ... */
  89 #endif /* FILE_HEADER_MAGIC */
  90
  91 #endif /* TC_M68K */
  92
  93 #if defined(TC_I386)
  94
  95 #define BYTE_ORDERING           F_AR32WR        /* See filehdr.h for more info. */
  96 #ifndef FILE_HEADER_MAGIC
  97 #define FILE_HEADER_MAGIC       I386MAGIC       /* ... */
  98 #endif /* FILE_HEADER_MAGIC */
  99
 100 #endif /* TC_I386 */
 101
 102 #if defined(TC_I960)
 103
 104 #define BYTE_ORDERING           F_AR32WR        /* See filehdr.h for more info. */
 105 #ifndef FILE_HEADER_MAGIC
 106 #define FILE_HEADER_MAGIC       I960ROMAGIC     /* ... */
 107 #endif /* FILE_HEADER_MAGIC */
 108
 109 #endif /* TC_I960 */
 110
 111 #if defined(TC_A29K)
 112
 113 #define BYTE_ORDERING           F_AR32W /* big endian. */
 114 #ifndef FILE_HEADER_MAGIC
 115 #define FILE_HEADER_MAGIC       SIPFBOMAGIC
 116 #endif /* FILE_HEADER_MAGIC */
 117
 118 #endif /* TC_A29K */
 119
 120 #ifndef OBJ_COFF_MAX_AUXENTRIES
 121 #define OBJ_COFF_MAX_AUXENTRIES 1
 122 #endif /* OBJ_COFF_MAX_AUXENTRIES */
 123
 124 extern const short seg_N_TYPE[];
 125 extern const segT N_TYPE_seg[];
 126
 127 /* Magic number of paged executable. */
 128 #define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE    (FILE_HEADER_MAGIC)
 129
 130 #ifndef BFD_HEADERS
 131
 132 /* Add these definitions to have a consistent convention for all the
 133    types used in COFF format. */
 134 #define AOUTHDR                 struct aouthdr
 135 #define AOUTHDRSZ               sizeof(AOUTHDR)
 136 #endif
 137
 138 #endif /* not BFD_ASSEMBLER */
 139
 140
 141 /* SYMBOL TABLE */
 142
 143 /* targets may also set this */
 144 #ifndef SYMBOLS_NEED_BACKPOINTERS
 145 #define SYMBOLS_NEED_BACKPOINTERS 1
 146 #endif /* SYMBOLS_NEED_BACKPOINTERS */
 147
 148 #ifdef BFD_ASSEMBLER
 149
 150 /* Alter the field names, for now, until we've fixed up the other
 151    references to use the new name.  */
 152 #ifdef TC_I960
 153 #define TC_SYMFIELD_TYPE        struct symbol *
 154 #define sy_tc                   bal
 155 #endif
 156
 157 #define OBJ_SYMFIELD_TYPE       unsigned long
 158 #define sy_obj                  sy_flags
 159
 160 #ifndef OBJ_COFF_MAX_AUXENTRIES
 161 #define OBJ_COFF_MAX_AUXENTRIES 1
 162 #endif
 163
 164 #else
 165
 166 /* Symbol table entry data type */
 167
 168 typedef struct
 169   {
 170 #ifdef BFD_HEADERS
 171     struct internal_syment ost_entry;   /* Basic symbol */
 172     union internal_auxent ost_auxent[OBJ_COFF_MAX_AUXENTRIES];  /* Auxiliary entry. */
 173 #else
 174     SYMENT ost_entry;           /* Basic symbol */
 175     AUXENT ost_auxent[OBJ_COFF_MAX_AUXENTRIES]; /* Auxiliary entry. */
 176 #endif
 177     unsigned int ost_flags;     /* obj_coff internal use only flags */
 178   }
 179 obj_symbol_type;
 180 #endif /* ! BFD_ASSEMBLER */
 181
 182 #ifdef BFD_ASSEMBLER
 183 #define SYM_AUXENT(S)   (&coffsymbol ((S)->bsym)->native[1].u.auxent)
 184 #else
 185 #define SYM_AUXENT(S)   (&(S)->sy_symbol.ost_auxent[0])
 186 #endif
 187
 188 #define DO_NOT_STRIP    0
 189 #define DO_STRIP        1
 190
 191 #ifndef BFD_ASSEMBLER
 192
 193 /* Symbol table macros and constants */
 194
 195 /* Possible and usefull section number in symbol table
 196  * The values of TEXT, DATA and BSS may not be portable.
 197  */
 198
 199 #define C_TEXT_SECTION          ((short)1)
 200 #define C_DATA_SECTION          ((short)2)
 201 #define C_BSS_SECTION           ((short)3)
 202 #define C_ABS_SECTION           N_ABS
 203 #define C_UNDEF_SECTION         N_UNDEF
 204 #define C_DEBUG_SECTION         N_DEBUG
 205 #define C_NTV_SECTION           N_TV
 206 #define C_PTV_SECTION           P_TV
 207 #define C_REGISTER_SECTION      4
 208
 209 /*
 210  *  Macros to extract information from a symbol table entry.
 211  *  This syntaxic indirection allows independence regarding a.out or coff.
 212  *  The argument (s) of all these macros is a pointer to a symbol table entry.
 213  */
 214
 215 /* Predicates */
 216 /* True if the symbol is external */
 217 #define S_IS_EXTERNAL(s)        ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION)
 218 /* True if symbol has been defined, ie :
 219    section > 0 (DATA, TEXT or BSS)
 220    section == 0 and value > 0 (external bss symbol) */
 221 #define S_IS_DEFINED(s)         ((s)->sy_symbol.ost_entry.n_scnum > C_UNDEF_SECTION || \
 222                                  ((s)->sy_symbol.ost_entry.n_scnum == C_UNDEF_SECTION && \
 223                                   S_GET_VALUE(s) > 0))
 224 /* True if a debug special symbol entry */
 225 #define S_IS_DEBUG(s)           ((s)->sy_symbol.ost_entry.n_scnum == C_DEBUG_SECTION)
 226 /* True if a symbol is local symbol name */
 227 /* A symbol name whose name begin with ^A is a gas internal pseudo symbol */
 228 #define S_IS_LOCAL(s)           (S_GET_NAME(s)[0] == '\001' || \
 229                                  (s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION || \
 230                                  (S_LOCAL_NAME(s) && !flagseen['L']))
 231 /* True if a symbol is not defined in this file */
 232 #define S_IS_EXTERN(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 \
 233                                  && S_GET_VALUE (s) == 0)
 234 /*
 235  * True if a symbol can be multiply defined (bss symbols have this def
 236  * though it is bad practice)
 237  */
 238 #define S_IS_COMMON(s)          ((s)->sy_symbol.ost_entry.n_scnum == 0 \
 239                                  && S_GET_VALUE (s) != 0)
 240 /* True if a symbol name is in the string table, i.e. its length is > 8. */
 241 #define S_IS_STRING(s)          (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
 242
 243 /* Accessors */
 244 /* The name of the symbol */
 245 #define S_GET_NAME(s)           ((char*)(s)->sy_symbol.ost_entry.n_offset)
 246 /* The pointer to the string table */
 247 #define S_GET_OFFSET(s)         ((s)->sy_symbol.ost_entry.n_offset)
 248 /* The zeroes if symbol name is longer than 8 chars */
 249 #define S_GET_ZEROES(s)         ((s)->sy_symbol.ost_entry.n_zeroes)
 250 /* The numeric value of the segment */
 251 #define S_GET_SEGMENT(s)        (N_TYPE_seg[(s)->sy_symbol.ost_entry.n_scnum+4])
 252 /* The data type */
 253 #define S_GET_DATA_TYPE(s)      ((s)->sy_symbol.ost_entry.n_type)
 254 /* The storage class */
 255 #define S_GET_STORAGE_CLASS(s)  ((s)->sy_symbol.ost_entry.n_sclass)
 256 /* The number of auxiliary entries */
 257 #define S_GET_NUMBER_AUXILIARY(s)       ((s)->sy_symbol.ost_entry.n_numaux)
 258
 259 /* Modifiers */
 260 /* Set the name of the symbol */
 261 #define S_SET_NAME(s,v)         ((s)->sy_symbol.ost_entry.n_offset = (unsigned long)(v))
 262 /* Set the offset of the symbol */
 263 #define S_SET_OFFSET(s,v)       ((s)->sy_symbol.ost_entry.n_offset = (v))
 264 /* The zeroes if symbol name is longer than 8 chars */
 265 #define S_SET_ZEROES(s,v)               ((s)->sy_symbol.ost_entry.n_zeroes = (v))
 266 /* The numeric value of the segment */
 267 #define S_SET_SEGMENT(s,v)      ((s)->sy_symbol.ost_entry.n_scnum = SEGMENT_TO_SYMBOL_TYPE(v))
 268 /* The data type */
 269 #define S_SET_DATA_TYPE(s,v)    ((s)->sy_symbol.ost_entry.n_type = (v))
 270 /* The storage class */
 271 #define S_SET_STORAGE_CLASS(s,v)        ((s)->sy_symbol.ost_entry.n_sclass = (v))
 272 /* The number of auxiliary entries */
 273 #define S_SET_NUMBER_AUXILIARY(s,v)     ((s)->sy_symbol.ost_entry.n_numaux = (v))
 274
 275 /* Additional modifiers */
 276 /* The symbol is external (does not mean undefined) */
 277 #define S_SET_EXTERNAL(s)       { S_SET_STORAGE_CLASS(s, C_EXT) ; SF_CLEAR_LOCAL(s); }
 278
 279 #else /* BFD_ASSEMBLER */
 280
 281 extern void obj_coff_section PARAMS ((int));
 282
 283 /* The number of auxiliary entries */
 284 #define S_GET_NUMBER_AUXILIARY(s)       (coffsymbol((s)->bsym)->native->u.syment.n_numaux)
 285 /* The number of auxiliary entries */
 286 #define S_SET_NUMBER_AUXILIARY(s,v)     (S_GET_NUMBER_AUXILIARY (s) = (v))
 287
 288 /* True if a symbol name is in the string table, i.e. its length is > 8. */
 289 #define S_IS_STRING(s)          (strlen(S_GET_NAME(s)) > 8 ? 1 : 0)
 290
 291 extern int S_SET_DATA_TYPE PARAMS ((struct symbol *, int));
 292 extern int S_SET_STORAGE_CLASS PARAMS ((struct symbol *, int));
 293 extern int S_GET_STORAGE_CLASS PARAMS ((struct symbol *));
 294 extern void SA_SET_SYM_ENDNDX PARAMS ((struct symbol *, struct symbol *));
 295
 296 #endif /* ! BFD_ASSEMBLER */
 297
 298 /* Auxiliary entry macros. SA_ stands for symbol auxiliary */
 299 /* Omit the tv related fields */
 300 /* Accessors */
 301
 302 #if defined (BFD_HEADERS) || defined (BFD_ASSEMBLER)
 303 #define SA_GET_SYM_TAGNDX(s)    (SYM_AUXENT (s)->x_sym.x_tagndx.l)
 304 #else
 305 #define SA_GET_SYM_TAGNDX(s)    (SYM_AUXENT (s)->x_sym.x_tagndx)
 306 #endif
 307 #define SA_GET_SYM_LNNO(s)      (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno)
 308 #define SA_GET_SYM_SIZE(s)      (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size)
 309 #define SA_GET_SYM_FSIZE(s)     (SYM_AUXENT (s)->x_sym.x_misc.x_fsize)
 310 #define SA_GET_SYM_LNNOPTR(s)   (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr)
 311 #ifdef BFD_HEADERS
 312 #define SA_GET_SYM_ENDNDX(s)    (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l)
 313 #else
 314 #define SA_GET_SYM_ENDNDX(s)    (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx)
 315 #endif
 316 #define SA_GET_SYM_DIMEN(s,i)   (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)])
 317 #define SA_GET_FILE_FNAME(s)    (SYM_AUXENT (s)->x_file.x_fname)
 318 #define SA_GET_SCN_SCNLEN(s)    (SYM_AUXENT (s)->x_scn.x_scnlen)
 319 #define SA_GET_SCN_NRELOC(s)    (SYM_AUXENT (s)->x_scn.x_nreloc)
 320 #define SA_GET_SCN_NLINNO(s)    (SYM_AUXENT (s)->x_scn.x_nlinno)
 321
 322 /* Modifiers */
 323 #ifndef BFD_ASSEMBLER
 324 #ifdef BFD_HEADERS
 325 #define SA_SET_SYM_TAGNDX(s,v)  (SYM_AUXENT (s)->x_sym.x_tagndx.l=(v))
 326 #define SA_SET_SYM_ENDNDX(s,v)  (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx.l=(v))
 327 #else
 328 #define SA_SET_SYM_ENDNDX(s,v)  (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_endndx=(v))
 329 #define SA_SET_SYM_TAGNDX(s,v)  (SYM_AUXENT (s)->x_sym.x_tagndx=(v))
 330 #endif
 331 #endif
 332
 333 #define SA_SET_SYM_LNNO(s,v)    (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_lnno=(v))
 334 #define SA_SET_SYM_SIZE(s,v)    (SYM_AUXENT (s)->x_sym.x_misc.x_lnsz.x_size=(v))
 335 #define SA_SET_SYM_FSIZE(s,v)   (SYM_AUXENT (s)->x_sym.x_misc.x_fsize=(v))
 336 #define SA_SET_SYM_LNNOPTR(s,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_fcn.x_lnnoptr=(v))
 337 #define SA_SET_SYM_DIMEN(s,i,v) (SYM_AUXENT (s)->x_sym.x_fcnary.x_ary.x_dimen[(i)]=(v))
 338 #define SA_SET_FILE_FNAME(s,v)  strncpy(SYM_AUXENT (s)->x_file.x_fname,(v),FILNMLEN)
 339 #define SA_SET_SCN_SCNLEN(s,v)  (SYM_AUXENT (s)->x_scn.x_scnlen=(v))
 340 #define SA_SET_SCN_NRELOC(s,v)  (SYM_AUXENT (s)->x_scn.x_nreloc=(v))
 341 #define SA_SET_SCN_NLINNO(s,v)  (SYM_AUXENT (s)->x_scn.x_nlinno=(v))
 342
 343 /*
 344  * Internal use only definitions. SF_ stands for symbol flags.
 345  *
 346  * These values can be assigned to sy_symbol.ost_flags field of a symbolS.
 347  *
 348  * You'll break i960 if you shift the SYSPROC bits anywhere else.  for
 349  * more on the balname/callname hack, see tc-i960.h.  b.out is done
 350  * differently.
 351  */
 352
 353 #define SF_I960_MASK    (0x000001ff)    /* Bits 0-8 are used by the i960 port. */
 354 #define SF_SYSPROC      (0x0000003f)    /* bits 0-5 are used to store the sysproc number */
 355 #define SF_IS_SYSPROC   (0x00000040)    /* bit 6 marks symbols that are sysprocs */
 356 #define SF_BALNAME      (0x00000080)    /* bit 7 marks BALNAME symbols */
 357 #define SF_CALLNAME     (0x00000100)    /* bit 8 marks CALLNAME symbols */
 358
 359 #define SF_NORMAL_MASK  (0x0000ffff)    /* bits 12-15 are general purpose. */
 360
 361 #define SF_STATICS      (0x00001000)    /* Mark the .text & all symbols */
 362 #define SF_DEFINED      (0x00002000)    /* Symbol is defined in this file */
 363 #define SF_STRING       (0x00004000)    /* Symbol name length > 8 */
 364 #define SF_LOCAL        (0x00008000)    /* Symbol must not be emitted */
 365
 366 #define SF_DEBUG_MASK   (0xffff0000)    /* bits 16-31 are debug info */
 367
 368 #define SF_FUNCTION     (0x00010000)    /* The symbol is a function */
 369 #define SF_PROCESS      (0x00020000)    /* Process symbol before write */
 370 #define SF_TAGGED       (0x00040000)    /* Is associated with a tag */
 371 #define SF_TAG          (0x00080000)    /* Is a tag */
 372 #define SF_DEBUG        (0x00100000)    /* Is in debug or abs section */
 373 #define SF_GET_SEGMENT  (0x00200000)    /* Get the section of the forward symbol. */
 374 /* All other bits are unused. */
 375
 376 /* Accessors */
 377 #ifdef BFD_ASSEMBLER
 378 #define SF_GET(s)               ((s)->sy_flags)
 379 #define SF_GET_DEBUG(s)         ((s)->bsym->flags & BSF_DEBUGGING)
 380 #define SF_SET_DEBUG(s)         ((s)->bsym->flags |= BSF_DEBUGGING)
 381 #else
 382 #define SF_GET(s)               ((s)->sy_symbol.ost_flags)
 383 #define SF_GET_DEBUG(s)         ((s)->sy_symbol.ost_flags & SF_DEBUG)
 384 #define SF_SET_DEBUG(s)         ((s)->sy_symbol.ost_flags |= SF_DEBUG)
 385 #endif
 386 #define SF_GET_NORMAL_FIELD(s)  (SF_GET (s) & SF_NORMAL_MASK)
 387 #define SF_GET_DEBUG_FIELD(s)   (SF_GET (s) & SF_DEBUG_MASK)
 388 #define SF_GET_FILE(s)          (SF_GET (s) & SF_FILE)
 389 #define SF_GET_STATICS(s)       (SF_GET (s) & SF_STATICS)
 390 #define SF_GET_DEFINED(s)       (SF_GET (s) & SF_DEFINED)
 391 #define SF_GET_STRING(s)        (SF_GET (s) & SF_STRING)
 392 #define SF_GET_LOCAL(s)         (SF_GET (s) & SF_LOCAL)
 393 #define SF_GET_FUNCTION(s)      (SF_GET (s) & SF_FUNCTION)
 394 #define SF_GET_PROCESS(s)       (SF_GET (s) & SF_PROCESS)
 395 #define SF_GET_TAGGED(s)        (SF_GET (s) & SF_TAGGED)
 396 #define SF_GET_TAG(s)           (SF_GET (s) & SF_TAG)
 397 #define SF_GET_GET_SEGMENT(s)   (SF_GET (s) & SF_GET_SEGMENT)
 398 #define SF_GET_I960(s)          (SF_GET (s) & SF_I960_MASK)     /* used by i960 */
 399 #define SF_GET_BALNAME(s)       (SF_GET (s) & SF_BALNAME)       /* used by i960 */
 400 #define SF_GET_CALLNAME(s)      (SF_GET (s) & SF_CALLNAME)      /* used by i960 */
 401 #define SF_GET_IS_SYSPROC(s)    (SF_GET (s) & SF_IS_SYSPROC)    /* used by i960 */
 402 #define SF_GET_SYSPROC(s)       (SF_GET (s) & SF_SYSPROC)       /* used by i960 */
 403
 404 /* Modifiers */
 405 #define SF_SET(s,v)             (SF_GET (s) = (v))
 406 #define SF_SET_NORMAL_FIELD(s,v)(SF_GET (s) |= ((v) & SF_NORMAL_MASK))
 407 #define SF_SET_DEBUG_FIELD(s,v) (SF_GET (s) |= ((v) & SF_DEBUG_MASK))
 408 #define SF_SET_FILE(s)          (SF_GET (s) |= SF_FILE)
 409 #define SF_SET_STATICS(s)       (SF_GET (s) |= SF_STATICS)
 410 #define SF_SET_DEFINED(s)       (SF_GET (s) |= SF_DEFINED)
 411 #define SF_SET_STRING(s)        (SF_GET (s) |= SF_STRING)
 412 #define SF_SET_LOCAL(s)         (SF_GET (s) |= SF_LOCAL)
 413 #define SF_CLEAR_LOCAL(s)       (SF_GET (s) &= ~SF_LOCAL)
 414 #define SF_SET_FUNCTION(s)      (SF_GET (s) |= SF_FUNCTION)
 415 #define SF_SET_PROCESS(s)       (SF_GET (s) |= SF_PROCESS)
 416 #define SF_SET_TAGGED(s)        (SF_GET (s) |= SF_TAGGED)
 417 #define SF_SET_TAG(s)           (SF_GET (s) |= SF_TAG)
 418 #define SF_SET_GET_SEGMENT(s)   (SF_GET (s) |= SF_GET_SEGMENT)
 419 #define SF_SET_I960(s,v)        (SF_GET (s) |= ((v) & SF_I960_MASK))    /* used by i960 */
 420 #define SF_SET_BALNAME(s)       (SF_GET (s) |= SF_BALNAME)      /* used by i960 */
 421 #define SF_SET_CALLNAME(s)      (SF_GET (s) |= SF_CALLNAME)     /* used by i960 */
 422 #define SF_SET_IS_SYSPROC(s)    (SF_GET (s) |= SF_IS_SYSPROC)   /* used by i960 */
 423 #define SF_SET_SYSPROC(s,v)     (SF_GET (s) |= ((v) & SF_SYSPROC))      /* used by i960 */
 424
 425 /* File header macro and type definition */
 426
 427 #ifndef BFD_ASSEMBLER
 428 /*
 429  * File position calculators. Beware to use them when all the
 430  * appropriate fields are set in the header.
 431  */
 432
 433 #ifdef OBJ_COFF_OMIT_OPTIONAL_HEADER
 434 #define OBJ_COFF_AOUTHDRSZ (0)
 435 #else
 436 #define OBJ_COFF_AOUTHDRSZ (AOUTHDRSZ)
 437 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 438
 439 #define H_GET_FILE_SIZE(h) \
 440     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 441            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 442            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 443            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h) + \
 444            H_GET_SYMBOL_TABLE_SIZE(h) + \
 445            (h)->string_table_size)
 446 #define H_GET_TEXT_FILE_OFFSET(h) \
 447     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 448            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ)
 449 #define H_GET_DATA_FILE_OFFSET(h) \
 450     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 451            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 452            H_GET_TEXT_SIZE(h))
 453 #define H_GET_BSS_FILE_OFFSET(h) 0
 454 #define H_GET_RELOCATION_FILE_OFFSET(h) \
 455     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 456            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 457            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h))
 458 #define H_GET_LINENO_FILE_OFFSET(h) \
 459     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 460            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 461            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 462            H_GET_RELOCATION_SIZE(h))
 463 #define H_GET_SYMBOL_TABLE_FILE_OFFSET(h) \
 464     (long)(FILHSZ + OBJ_COFF_AOUTHDRSZ + \
 465            H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ + \
 466            H_GET_TEXT_SIZE(h) + H_GET_DATA_SIZE(h) + \
 467            H_GET_RELOCATION_SIZE(h) + H_GET_LINENO_SIZE(h))
 468
 469 /* Accessors */
 470 /* aouthdr */
 471 #define H_GET_MAGIC_NUMBER(h)           ((h)->aouthdr.magic)
 472 #define H_GET_VERSION_STAMP(h)          ((h)->aouthdr.vstamp)
 473 #define H_GET_TEXT_SIZE(h)              ((h)->aouthdr.tsize)
 474 #define H_GET_DATA_SIZE(h)              ((h)->aouthdr.dsize)
 475 #define H_GET_BSS_SIZE(h)               ((h)->aouthdr.bsize)
 476 #define H_GET_ENTRY_POINT(h)            ((h)->aouthdr.entry)
 477 #define H_GET_TEXT_START(h)             ((h)->aouthdr.text_start)
 478 #define H_GET_DATA_START(h)             ((h)->aouthdr.data_start)
 479 /* filehdr */
 480 #define H_GET_FILE_MAGIC_NUMBER(h)      ((h)->filehdr.f_magic)
 481 #define H_GET_NUMBER_OF_SECTIONS(h)     ((h)->filehdr.f_nscns)
 482 #define H_GET_TIME_STAMP(h)             ((h)->filehdr.f_timdat)
 483 #define H_GET_SYMBOL_TABLE_POINTER(h)   ((h)->filehdr.f_symptr)
 484 #define H_GET_SYMBOL_COUNT(h)           ((h)->filehdr.f_nsyms)
 485 #define H_GET_SYMBOL_TABLE_SIZE(h)      (H_GET_SYMBOL_COUNT(h) * SYMESZ)
 486 #define H_GET_SIZEOF_OPTIONAL_HEADER(h) ((h)->filehdr.f_opthdr)
 487 #define H_GET_FLAGS(h)                  ((h)->filehdr.f_flags)
 488 /* Extra fields to achieve bsd a.out compatibility and for convenience */
 489 #define H_GET_RELOCATION_SIZE(h)        ((h)->relocation_size)
 490 #define H_GET_STRING_SIZE(h)            ((h)->string_table_size)
 491 #define H_GET_LINENO_SIZE(h)            ((h)->lineno_size)
 492
 493 #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
 494 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 495                                          + sizeof(AOUTHDR)\
 496                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 497 #else /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 498 #define H_GET_HEADER_SIZE(h)            (sizeof(FILHDR) \
 499                                          + (H_GET_NUMBER_OF_SECTIONS(h) * SCNHSZ))
 500 #endif /* OBJ_COFF_OMIT_OPTIONAL_HEADER */
 501
 502 #define H_GET_TEXT_RELOCATION_SIZE(h)   (text_section_header.s_nreloc * RELSZ)
 503 #define H_GET_DATA_RELOCATION_SIZE(h)   (data_section_header.s_nreloc * RELSZ)
 504
 505 /* Modifiers */
 506 /* aouthdr */
 507 #define H_SET_MAGIC_NUMBER(h,v)         ((h)->aouthdr.magic = (v))
 508 #define H_SET_VERSION_STAMP(h,v)        ((h)->aouthdr.vstamp = (v))
 509 #define H_SET_TEXT_SIZE(h,v)            ((h)->aouthdr.tsize = (v))
 510 #define H_SET_DATA_SIZE(h,v)            ((h)->aouthdr.dsize = (v))
 511 #define H_SET_BSS_SIZE(h,v)             ((h)->aouthdr.bsize = (v))
 512 #define H_SET_ENTRY_POINT(h,v)          ((h)->aouthdr.entry = (v))
 513 #define H_SET_TEXT_START(h,v)           ((h)->aouthdr.text_start = (v))
 514 #define H_SET_DATA_START(h,v)           ((h)->aouthdr.data_start = (v))
 515 /* filehdr */
 516 #define H_SET_FILE_MAGIC_NUMBER(h,v)    ((h)->filehdr.f_magic = (v))
 517 #define H_SET_NUMBER_OF_SECTIONS(h,v)   ((h)->filehdr.f_nscns = (v))
 518 #define H_SET_TIME_STAMP(h,v)           ((h)->filehdr.f_timdat = (v))
 519 #define H_SET_SYMBOL_TABLE_POINTER(h,v) ((h)->filehdr.f_symptr = (v))
 520 #define H_SET_SYMBOL_TABLE_SIZE(h,v)    ((h)->filehdr.f_nsyms = (v))
 521 #define H_SET_SIZEOF_OPTIONAL_HEADER(h,v) ((h)->filehdr.f_opthdr = (v))
 522 #define H_SET_FLAGS(h,v)                ((h)->filehdr.f_flags = (v))
 523 /* Extra fields to achieve bsd a.out compatibility and for convinience */
 524 #define H_SET_RELOCATION_SIZE(h,t,d)    ((h)->relocation_size = (t)+(d))
 525 #define H_SET_STRING_SIZE(h,v)          ((h)->string_table_size = (v))
 526 #define H_SET_LINENO_SIZE(h,v)          ((h)->lineno_size = (v))
 527
 528 /* Segment flipping */
 529
 530 typedef struct
 531   {
 532 #ifdef BFD_HEADERS
 533     struct internal_aouthdr aouthdr;    /* a.out header */
 534     struct internal_filehdr filehdr;    /* File header, not machine dep. */
 535 #else
 536     AOUTHDR aouthdr;            /* a.out header */
 537     FILHDR filehdr;             /* File header, not machine dep. */
 538 #endif
 539     long string_table_size;     /* names + '\0' + sizeof(int) */
 540     long relocation_size;       /* Cumulated size of relocation
 541                                            information for all sections in
 542                                            bytes. */
 543     long lineno_size;           /* Size of the line number information
 544                                            table in bytes */
 545   }
 546
 547 object_headers;
 548 #endif /* ! BFD_ASSEMBLER */
 549
 550 /* --------------  Line number handling ------- */
 551 extern int text_lineno_number;
 552 extern int coff_line_base;
 553
 554 #ifndef BFD_ASSEMBLER
 555 /* line numbering stuff. */
 556
 557 typedef struct internal_lineno
 558   {
 559 #ifdef BFD_HEADERS
 560     struct bfd_internal_lineno line;
 561 #else
 562     LINENO line;                /* The lineno structure itself */
 563 #endif
 564     char *frag;                 /* Frag to which the line number is related */
 565     struct internal_lineno *next;       /* Forward chain pointer */
 566   } lineno;
 567
 568 extern lineno *lineno_lastP;
 569 extern lineno *lineno_rootP;
 570 #define OBJ_EMIT_LINENO(a, b, c)        obj_emit_lineno((a),(b),(c))
 571
 572 void obj_emit_lineno PARAMS ((char **where, lineno * line, char *file_start));
 573
 574 #endif /* not BFD_ASSEMBLER */
 575
 576 #ifdef BFD_ASSEMBLER
 577 #define obj_emit_lineno(WHERE,LINE,FILE_START)  abort ()
 578 extern void coff_add_linesym PARAMS ((struct symbol *));
 579 #endif
 580
 581 /* stack stuff */
 582 typedef struct
 583   {
 584     unsigned long chunk_size;
 585     unsigned long element_size;
 586     unsigned long size;
 587     char *data;
 588     unsigned long pointer;
 589   }
 590
 591 stack;
 592
 593 char *stack_pop PARAMS ((stack * st));
 594 char *stack_push PARAMS ((stack * st, char *element));
 595 char *stack_top PARAMS ((stack * st));
 596 stack *stack_init PARAMS ((unsigned long chunk_size,
 597                            unsigned long element_size));
 598 void c_dot_file_symbol PARAMS ((char *filename));
 599 void stack_delete PARAMS ((stack * st));
 600
 601 #ifndef BFD_ASSEMBLER
 602 void obj_extra_stuff PARAMS ((object_headers * headers));
 603 #ifndef tc_headers_hook
 604 void tc_headers_hook PARAMS ((object_headers * headers));
 605 #endif
 606 #endif
 607
 608 #ifndef tc_coff_symbol_emit_hook
 609 void tc_coff_symbol_emit_hook PARAMS ((/* symbolS * */));
 610 #endif
 611
 612 extern void coff_frob_symbol PARAMS ((struct symbol *, int *));
 613 extern void coff_frob_file PARAMS ((void));
 614 #define obj_frob_symbol(S,P)    coff_frob_symbol(S,&P)
 615 #define obj_frob_file()         coff_frob_file ()
 616
 617 extern struct symbol *coff_last_function;
 618
 619 /* Forward the segment of a forwarded symbol.  */
 620 #ifndef TE_I386AIX
 621 #define obj_frob_forward_symbol(symp) \
 622   (SF_GET_GET_SEGMENT (symp) \
 623    ? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \
 624    : 0)
 625 #else
 626 #define obj_frob_forward_symbol(symp) \
 627   (SF_GET_GET_SEGMENT (symp) && S_GET_SEGMENT (symp) == SEG_UNKNOWN \
 628    ? (S_SET_SEGMENT (symp, S_GET_SEGMENT (symp->sy_value.X_add_symbol)), 0) \
 629    : 0)
 630 #endif
 631
 632 #ifndef BFD_ASSEMBLER
 633 #ifdef BFD_HEADERS
 634 void c_section_header PARAMS ((struct internal_scnhdr *header,
 635                                char *name, long core_address, long size,
 636                                long data_ptr, long reloc_ptr, long lineno_ptr,
 637                                long reloc_number, long lineno_number,
 638                                long alignment));
 639 #else
 640 void c_section_header PARAMS ((SCNHDR * header,
 641                                char *name, long core_address, long size,
 642                                long data_ptr, long reloc_ptr, long lineno_ptr,
 643                                long reloc_number, long lineno_number,
 644                                long alignment));
 645 #endif
 646 #endif
 647
 648 /* sanity check */
 649
 650 #ifdef TC_I960
 651 #ifndef C_LEAFSTAT
 652 hey ! Where is the C_LEAFSTAT definition ? i960 - coff support is depending on it.
 653 #endif /* no C_LEAFSTAT */
 654 #endif /* TC_I960 */
 655 #ifndef BFD_ASSEMBLER
 656 #ifdef BFD_HEADERS
 657 extern struct internal_scnhdr data_section_header;
 658 extern struct internal_scnhdr text_section_header;
 659 #else
 660 extern SCNHDR data_section_header;
 661 extern SCNHDR text_section_header;
 662 #endif
 663 #endif
 664
 665 #define SEPARATE_STAB_SECTIONS
 666
 667 /* end of obj-coff.h */