bfd/coffswap.h

   1 /* Generic COFF swapping routines, for BFD.
   2    Copyright 1990, 1991, 1992, 1993, 1995 Free Software Foundation, Inc.
   3    Written by Cygnus Support.
   4
   5 This file is part of BFD, the Binary File Descriptor library.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 /* This file contains routines used to swap COFF data.  It is a header
  22    file because the details of swapping depend on the details of the
  23    structures used by each COFF implementation.  This is included by
  24    coffcode.h, as well as by the ECOFF backend.
  25
  26    Any file which uses this must first include "coff/internal.h" and
  27    "coff/CPU.h".  The functions will then be correct for that CPU.  */
  28
  29 #ifndef IMAGE_BASE
  30 #define IMAGE_BASE 0
  31 #endif
  32
  33 #define PUTWORD bfd_h_put_32
  34 #define PUTHALF bfd_h_put_16
  35 #define PUTBYTE bfd_h_put_8
  36
  37 #ifndef GET_FCN_LNNOPTR
  38 #define GET_FCN_LNNOPTR(abfd, ext)  bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
  39 #endif
  40
  41 #ifndef GET_FCN_ENDNDX
  42 #define GET_FCN_ENDNDX(abfd, ext)  bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx)
  43 #endif
  44
  45 #ifndef PUT_FCN_LNNOPTR
  46 #define PUT_FCN_LNNOPTR(abfd, in, ext)  PUTWORD(abfd,  in, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
  47 #endif
  48 #ifndef PUT_FCN_ENDNDX
  49 #define PUT_FCN_ENDNDX(abfd, in, ext) PUTWORD(abfd, in, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx)
  50 #endif
  51 #ifndef GET_LNSZ_LNNO
  52 #define GET_LNSZ_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_lnno)
  53 #endif
  54 #ifndef GET_LNSZ_SIZE
  55 #define GET_LNSZ_SIZE(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_misc.x_lnsz.x_size)
  56 #endif
  57 #ifndef PUT_LNSZ_LNNO
  58 #define PUT_LNSZ_LNNO(abfd, in, ext) bfd_h_put_16(abfd, in, (bfd_byte *)ext->x_sym.x_misc.x_lnsz.x_lnno)
  59 #endif
  60 #ifndef PUT_LNSZ_SIZE
  61 #define PUT_LNSZ_SIZE(abfd, in, ext) bfd_h_put_16(abfd, in, (bfd_byte*) ext->x_sym.x_misc.x_lnsz.x_size)
  62 #endif
  63 #ifndef GET_SCN_SCNLEN
  64 #define GET_SCN_SCNLEN(abfd,  ext) bfd_h_get_32(abfd, (bfd_byte *) ext->x_scn.x_scnlen)
  65 #endif
  66 #ifndef GET_SCN_NRELOC
  67 #define GET_SCN_NRELOC(abfd,  ext) bfd_h_get_16(abfd, (bfd_byte *)ext->x_scn.x_nreloc)
  68 #endif
  69 #ifndef GET_SCN_NLINNO
  70 #define GET_SCN_NLINNO(abfd, ext)  bfd_h_get_16(abfd, (bfd_byte *)ext->x_scn.x_nlinno)
  71 #endif
  72 #ifndef PUT_SCN_SCNLEN
  73 #define PUT_SCN_SCNLEN(abfd,in, ext) bfd_h_put_32(abfd, in, (bfd_byte *) ext->x_scn.x_scnlen)
  74 #endif
  75 #ifndef PUT_SCN_NRELOC
  76 #define PUT_SCN_NRELOC(abfd,in, ext) bfd_h_put_16(abfd, in, (bfd_byte *)ext->x_scn.x_nreloc)
  77 #endif
  78 #ifndef PUT_SCN_NLINNO
  79 #define PUT_SCN_NLINNO(abfd,in, ext)  bfd_h_put_16(abfd,in, (bfd_byte  *) ext->x_scn.x_nlinno)
  80 #endif
  81 #ifndef GET_LINENO_LNNO
  82 #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) (ext->l_lnno));
  83 #endif
  84 #ifndef PUT_LINENO_LNNO
  85 #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16(abfd,val,  (bfd_byte *) (ext->l_lnno));
  86 #endif
  87
  88 /* The f_symptr field in the filehdr is sometimes 64 bits.  */
  89 #ifndef GET_FILEHDR_SYMPTR
  90 #define GET_FILEHDR_SYMPTR bfd_h_get_32
  91 #endif
  92 #ifndef PUT_FILEHDR_SYMPTR
  93 #define PUT_FILEHDR_SYMPTR bfd_h_put_32
  94 #endif
  95
  96 /* Some fields in the aouthdr are sometimes 64 bits.  */
  97 #ifndef GET_AOUTHDR_TSIZE
  98 #define GET_AOUTHDR_TSIZE bfd_h_get_32
  99 #endif
 100 #ifndef PUT_AOUTHDR_TSIZE
 101 #define PUT_AOUTHDR_TSIZE bfd_h_put_32
 102 #endif
 103 #ifndef GET_AOUTHDR_DSIZE
 104 #define GET_AOUTHDR_DSIZE bfd_h_get_32
 105 #endif
 106 #ifndef PUT_AOUTHDR_DSIZE
 107 #define PUT_AOUTHDR_DSIZE bfd_h_put_32
 108 #endif
 109 #ifndef GET_AOUTHDR_BSIZE
 110 #define GET_AOUTHDR_BSIZE bfd_h_get_32
 111 #endif
 112 #ifndef PUT_AOUTHDR_BSIZE
 113 #define PUT_AOUTHDR_BSIZE bfd_h_put_32
 114 #endif
 115 #ifndef GET_AOUTHDR_ENTRY
 116 #define GET_AOUTHDR_ENTRY bfd_h_get_32
 117 #endif
 118 #ifndef PUT_AOUTHDR_ENTRY
 119 #define PUT_AOUTHDR_ENTRY bfd_h_put_32
 120 #endif
 121 #ifndef GET_AOUTHDR_TEXT_START
 122 #define GET_AOUTHDR_TEXT_START bfd_h_get_32
 123 #endif
 124 #ifndef PUT_AOUTHDR_TEXT_START
 125 #define PUT_AOUTHDR_TEXT_START bfd_h_put_32
 126 #endif
 127 #ifndef GET_AOUTHDR_DATA_START
 128 #define GET_AOUTHDR_DATA_START bfd_h_get_32
 129 #endif
 130 #ifndef PUT_AOUTHDR_DATA_START
 131 #define PUT_AOUTHDR_DATA_START bfd_h_put_32
 132 #endif
 133
 134 /* Some fields in the scnhdr are sometimes 64 bits.  */
 135 #ifndef GET_SCNHDR_PADDR
 136 #define GET_SCNHDR_PADDR bfd_h_get_32
 137 #endif
 138 #ifndef PUT_SCNHDR_PADDR
 139 #define PUT_SCNHDR_PADDR bfd_h_put_32
 140 #endif
 141 #ifndef GET_SCNHDR_VADDR
 142 #define GET_SCNHDR_VADDR bfd_h_get_32
 143 #endif
 144 #ifndef PUT_SCNHDR_VADDR
 145 #define PUT_SCNHDR_VADDR bfd_h_put_32
 146 #endif
 147 #ifndef GET_SCNHDR_SIZE
 148 #define GET_SCNHDR_SIZE bfd_h_get_32
 149 #endif
 150 #ifndef PUT_SCNHDR_SIZE
 151 #define PUT_SCNHDR_SIZE bfd_h_put_32
 152 #endif
 153 #ifndef GET_SCNHDR_SCNPTR
 154 #define GET_SCNHDR_SCNPTR bfd_h_get_32
 155 #endif
 156 #ifndef PUT_SCNHDR_SCNPTR
 157 #define PUT_SCNHDR_SCNPTR bfd_h_put_32
 158 #endif
 159 #ifndef GET_SCNHDR_RELPTR
 160 #define GET_SCNHDR_RELPTR bfd_h_get_32
 161 #endif
 162 #ifndef PUT_SCNHDR_RELPTR
 163 #define PUT_SCNHDR_RELPTR bfd_h_put_32
 164 #endif
 165 #ifndef GET_SCNHDR_LNNOPTR
 166 #define GET_SCNHDR_LNNOPTR bfd_h_get_32
 167 #endif
 168 #ifndef PUT_SCNHDR_LNNOPTR
 169 #define PUT_SCNHDR_LNNOPTR bfd_h_put_32
 170 #endif
 171
 172 #ifndef NO_COFF_RELOCS
 173
 174 static void
 175 coff_swap_reloc_in (abfd, src, dst)
 176      bfd *abfd;
 177      PTR src;
 178      PTR dst;
 179 {
 180   RELOC *reloc_src = (RELOC *) src;
 181   struct internal_reloc *reloc_dst = (struct internal_reloc *) dst;
 182
 183   reloc_dst->r_vaddr = bfd_h_get_32(abfd, (bfd_byte *)reloc_src->r_vaddr);
 184   reloc_dst->r_symndx = bfd_h_get_signed_32(abfd, (bfd_byte *) reloc_src->r_symndx);
 185
 186 #ifdef RS6000COFF_C
 187   reloc_dst->r_type = bfd_h_get_8(abfd, reloc_src->r_type);
 188   reloc_dst->r_size = bfd_h_get_8(abfd, reloc_src->r_size);
 189 #else
 190   reloc_dst->r_type = bfd_h_get_16(abfd, (bfd_byte *) reloc_src->r_type);
 191 #endif
 192
 193 #ifdef SWAP_IN_RELOC_OFFSET
 194   reloc_dst->r_offset = SWAP_IN_RELOC_OFFSET(abfd,
 195                                              (bfd_byte *) reloc_src->r_offset);
 196 #endif
 197 }
 198
 199
 200 static unsigned int
 201 coff_swap_reloc_out (abfd, src, dst)
 202      bfd       *abfd;
 203      PTR        src;
 204      PTR        dst;
 205 {
 206   struct internal_reloc *reloc_src = (struct internal_reloc *)src;
 207   struct external_reloc *reloc_dst = (struct external_reloc *)dst;
 208   bfd_h_put_32(abfd, reloc_src->r_vaddr, (bfd_byte *) reloc_dst->r_vaddr);
 209   bfd_h_put_32(abfd, reloc_src->r_symndx, (bfd_byte *) reloc_dst->r_symndx);
 210
 211 #ifdef RS6000COFF_C
 212   bfd_h_put_8 (abfd, reloc_src->r_type, (bfd_byte *) reloc_dst->r_type);
 213   bfd_h_put_8 (abfd, reloc_src->r_size, (bfd_byte *) reloc_dst->r_size);
 214 #else
 215   bfd_h_put_16(abfd, reloc_src->r_type, (bfd_byte *)
 216                reloc_dst->r_type);
 217 #endif
 218
 219 #ifdef SWAP_OUT_RELOC_OFFSET
 220   SWAP_OUT_RELOC_OFFSET(abfd,
 221                         reloc_src->r_offset,
 222                         (bfd_byte *) reloc_dst->r_offset);
 223 #endif
 224 #ifdef SWAP_OUT_RELOC_EXTRA
 225   SWAP_OUT_RELOC_EXTRA(abfd,reloc_src, reloc_dst);
 226 #endif
 227
 228   return sizeof(struct external_reloc);
 229 }
 230
 231 #endif /* NO_COFF_RELOCS */
 232
 233 static void
 234 coff_swap_filehdr_in (abfd, src, dst)
 235      bfd            *abfd;
 236      PTR             src;
 237      PTR             dst;
 238 {
 239   FILHDR *filehdr_src = (FILHDR *) src;
 240   struct internal_filehdr *filehdr_dst = (struct internal_filehdr *) dst;
 241   filehdr_dst->f_magic = bfd_h_get_16(abfd, (bfd_byte *) filehdr_src->f_magic);
 242   filehdr_dst->f_nscns = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_nscns);
 243   filehdr_dst->f_timdat = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_timdat);
 244   filehdr_dst->f_symptr =
 245     GET_FILEHDR_SYMPTR (abfd, (bfd_byte *) filehdr_src->f_symptr);
 246   filehdr_dst->f_nsyms = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_nsyms);
 247   filehdr_dst->f_opthdr = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_opthdr);
 248   filehdr_dst->f_flags = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_flags);
 249 }
 250
 251 static  unsigned int
 252 coff_swap_filehdr_out (abfd, in, out)
 253      bfd       *abfd;
 254      PTR        in;
 255      PTR        out;
 256 {
 257   struct internal_filehdr *filehdr_in = (struct internal_filehdr *)in;
 258   FILHDR *filehdr_out = (FILHDR *)out;
 259
 260   bfd_h_put_16(abfd, filehdr_in->f_magic, (bfd_byte *) filehdr_out->f_magic);
 261   bfd_h_put_16(abfd, filehdr_in->f_nscns, (bfd_byte *) filehdr_out->f_nscns);
 262   bfd_h_put_32(abfd, filehdr_in->f_timdat, (bfd_byte *) filehdr_out->f_timdat);
 263   PUT_FILEHDR_SYMPTR (abfd, (bfd_vma) filehdr_in->f_symptr,
 264                       (bfd_byte *) filehdr_out->f_symptr);
 265   bfd_h_put_32(abfd, filehdr_in->f_nsyms, (bfd_byte *) filehdr_out->f_nsyms);
 266   bfd_h_put_16(abfd, filehdr_in->f_opthdr, (bfd_byte *) filehdr_out->f_opthdr);
 267   bfd_h_put_16(abfd, filehdr_in->f_flags, (bfd_byte *) filehdr_out->f_flags);
 268
 269   return sizeof(FILHDR);
 270 }
 271
 272
 273 #ifndef NO_COFF_SYMBOLS
 274
 275 static void
 276 coff_swap_sym_in (abfd, ext1, in1)
 277      bfd            *abfd;
 278      PTR ext1;
 279      PTR in1;
 280 {
 281   SYMENT *ext = (SYMENT *)ext1;
 282   struct internal_syment      *in = (struct internal_syment *)in1;
 283
 284   if( ext->e.e_name[0] == 0) {
 285     in->_n._n_n._n_zeroes = 0;
 286     in->_n._n_n._n_offset = bfd_h_get_32(abfd, (bfd_byte *) ext->e.e.e_offset);
 287   }
 288   else {
 289 #if SYMNMLEN != E_SYMNMLEN
 290    -> Error, we need to cope with truncating or extending SYMNMLEN!;
 291 #else
 292     memcpy(in->_n._n_name, ext->e.e_name, SYMNMLEN);
 293 #endif
 294   }
 295   in->n_value = bfd_h_get_32(abfd, (bfd_byte *) ext->e_value);
 296   in->n_scnum = bfd_h_get_16(abfd, (bfd_byte *) ext->e_scnum);
 297   if (sizeof(ext->e_type) == 2){
 298     in->n_type = bfd_h_get_16(abfd, (bfd_byte *) ext->e_type);
 299   }
 300   else {
 301     in->n_type = bfd_h_get_32(abfd, (bfd_byte *) ext->e_type);
 302   }
 303   in->n_sclass = bfd_h_get_8(abfd, ext->e_sclass);
 304   in->n_numaux = bfd_h_get_8(abfd, ext->e_numaux);
 305 }
 306
 307 static unsigned int
 308 coff_swap_sym_out (abfd, inp, extp)
 309      bfd       *abfd;
 310      PTR        inp;
 311      PTR        extp;
 312 {
 313   struct internal_syment *in = (struct internal_syment *)inp;
 314   SYMENT *ext =(SYMENT *)extp;
 315   if(in->_n._n_name[0] == 0) {
 316     bfd_h_put_32(abfd, 0, (bfd_byte *) ext->e.e.e_zeroes);
 317     bfd_h_put_32(abfd, in->_n._n_n._n_offset, (bfd_byte *)  ext->e.e.e_offset);
 318   }
 319   else {
 320 #if SYMNMLEN != E_SYMNMLEN
 321     -> Error, we need to cope with truncating or extending SYMNMLEN!;
 322 #else
 323     memcpy(ext->e.e_name, in->_n._n_name, SYMNMLEN);
 324 #endif
 325   }
 326   bfd_h_put_32(abfd,  in->n_value , (bfd_byte *) ext->e_value);
 327   bfd_h_put_16(abfd,  in->n_scnum , (bfd_byte *) ext->e_scnum);
 328   if (sizeof(ext->e_type) == 2)
 329       {
 330         bfd_h_put_16(abfd,  in->n_type , (bfd_byte *) ext->e_type);
 331       }
 332   else
 333       {
 334         bfd_h_put_32(abfd,  in->n_type , (bfd_byte *) ext->e_type);
 335       }
 336   bfd_h_put_8(abfd,  in->n_sclass , ext->e_sclass);
 337   bfd_h_put_8(abfd,  in->n_numaux , ext->e_numaux);
 338   return sizeof(SYMENT);
 339 }
 340
 341 static void
 342 coff_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
 343      bfd            *abfd;
 344      PTR              ext1;
 345      int             type;
 346      int             class;
 347      int              indx;
 348      int              numaux;
 349      PTR              in1;
 350 {
 351   AUXENT    *ext = (AUXENT *)ext1;
 352   union internal_auxent *in = (union internal_auxent *)in1;
 353
 354   switch (class) {
 355     case C_FILE:
 356       if (ext->x_file.x_fname[0] == 0) {
 357           in->x_file.x_n.x_zeroes = 0;
 358           in->x_file.x_n.x_offset =
 359            bfd_h_get_32(abfd, (bfd_byte *) ext->x_file.x_n.x_offset);
 360         } else {
 361 #if FILNMLEN != E_FILNMLEN
 362             -> Error, we need to cope with truncating or extending FILNMLEN!;
 363 #else
 364             memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
 365 #endif
 366           }
 367       return;
 368
 369       /* RS/6000 "csect" auxents */
 370 #ifdef RS6000COFF_C
 371     case C_EXT:
 372     case C_HIDEXT:
 373       if (indx + 1 == numaux)
 374         {
 375           in->x_csect.x_scnlen.l = bfd_h_get_32 (abfd, ext->x_csect.x_scnlen);
 376           in->x_csect.x_parmhash = bfd_h_get_32 (abfd,
 377                                                  ext->x_csect.x_parmhash);
 378           in->x_csect.x_snhash   = bfd_h_get_16 (abfd, ext->x_csect.x_snhash);
 379           /* We don't have to hack bitfields in x_smtyp because it's
 380              defined by shifts-and-ands, which are equivalent on all
 381              byte orders.  */
 382           in->x_csect.x_smtyp    = bfd_h_get_8  (abfd, ext->x_csect.x_smtyp);
 383           in->x_csect.x_smclas   = bfd_h_get_8  (abfd, ext->x_csect.x_smclas);
 384           in->x_csect.x_stab     = bfd_h_get_32 (abfd, ext->x_csect.x_stab);
 385           in->x_csect.x_snstab   = bfd_h_get_16 (abfd, ext->x_csect.x_snstab);
 386           return;
 387         }
 388       break;
 389 #endif
 390
 391     case C_STAT:
 392 #ifdef C_LEAFSTAT
 393     case C_LEAFSTAT:
 394 #endif
 395     case C_HIDDEN:
 396       if (type == T_NULL) {
 397           in->x_scn.x_scnlen = GET_SCN_SCNLEN(abfd, ext);
 398           in->x_scn.x_nreloc = GET_SCN_NRELOC(abfd, ext);
 399           in->x_scn.x_nlinno = GET_SCN_NLINNO(abfd, ext);
 400           return;
 401         }
 402       break;
 403     }
 404
 405   in->x_sym.x_tagndx.l = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_tagndx);
 406 #ifndef NO_TVNDX
 407   in->x_sym.x_tvndx = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_tvndx);
 408 #endif
 409
 410   if (class == C_BLOCK || ISFCN (type) || ISTAG (class))
 411     {
 412       in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR (abfd, ext);
 413       in->x_sym.x_fcnary.x_fcn.x_endndx.l = GET_FCN_ENDNDX (abfd, ext);
 414     }
 415   else
 416     {
 417 #if DIMNUM != E_DIMNUM
 418  #error we need to cope with truncating or extending DIMNUM
 419 #endif
 420       in->x_sym.x_fcnary.x_ary.x_dimen[0] =
 421         bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
 422       in->x_sym.x_fcnary.x_ary.x_dimen[1] =
 423         bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
 424       in->x_sym.x_fcnary.x_ary.x_dimen[2] =
 425         bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
 426       in->x_sym.x_fcnary.x_ary.x_dimen[3] =
 427         bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
 428     }
 429
 430   if (ISFCN(type)) {
 431     in->x_sym.x_misc.x_fsize = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_fsize);
 432   }
 433   else {
 434     in->x_sym.x_misc.x_lnsz.x_lnno = GET_LNSZ_LNNO(abfd, ext);
 435     in->x_sym.x_misc.x_lnsz.x_size = GET_LNSZ_SIZE(abfd, ext);
 436   }
 437 }
 438
 439 static unsigned int
 440 coff_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
 441      bfd   *abfd;
 442      PTR        inp;
 443      int   type;
 444      int   class;
 445      int   indx;
 446      int   numaux;
 447      PTR        extp;
 448 {
 449   union internal_auxent *in = (union internal_auxent *)inp;
 450   AUXENT *ext = (AUXENT *)extp;
 451
 452   memset((PTR)ext, 0, AUXESZ);
 453   switch (class) {
 454   case C_FILE:
 455     if (in->x_file.x_fname[0] == 0) {
 456       PUTWORD(abfd, 0, (bfd_byte *) ext->x_file.x_n.x_zeroes);
 457       PUTWORD(abfd,
 458               in->x_file.x_n.x_offset,
 459               (bfd_byte *) ext->x_file.x_n.x_offset);
 460     }
 461     else {
 462 #if FILNMLEN != E_FILNMLEN
 463       -> Error, we need to cope with truncating or extending FILNMLEN!;
 464 #else
 465       memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
 466 #endif
 467     }
 468     return sizeof (AUXENT);
 469
 470 #ifdef RS6000COFF_C
 471   /* RS/6000 "csect" auxents */
 472   case C_EXT:
 473   case C_HIDEXT:
 474     if (indx + 1 == numaux)
 475       {
 476         PUTWORD (abfd, in->x_csect.x_scnlen.l,  ext->x_csect.x_scnlen);
 477         PUTWORD (abfd, in->x_csect.x_parmhash,  ext->x_csect.x_parmhash);
 478         PUTHALF (abfd, in->x_csect.x_snhash,    ext->x_csect.x_snhash);
 479         /* We don't have to hack bitfields in x_smtyp because it's
 480            defined by shifts-and-ands, which are equivalent on all
 481            byte orders.  */
 482         PUTBYTE (abfd, in->x_csect.x_smtyp,     ext->x_csect.x_smtyp);
 483         PUTBYTE (abfd, in->x_csect.x_smclas,    ext->x_csect.x_smclas);
 484         PUTWORD (abfd, in->x_csect.x_stab,      ext->x_csect.x_stab);
 485         PUTHALF (abfd, in->x_csect.x_snstab,    ext->x_csect.x_snstab);
 486         return sizeof (AUXENT);
 487       }
 488     break;
 489 #endif
 490
 491   case C_STAT:
 492 #ifdef C_LEAFSTAT
 493   case C_LEAFSTAT:
 494 #endif
 495   case C_HIDDEN:
 496     if (type == T_NULL) {
 497       PUT_SCN_SCNLEN(abfd, in->x_scn.x_scnlen, ext);
 498       PUT_SCN_NRELOC(abfd, in->x_scn.x_nreloc, ext);
 499       PUT_SCN_NLINNO(abfd, in->x_scn.x_nlinno, ext);
 500       return sizeof (AUXENT);
 501     }
 502     break;
 503   }
 504
 505   PUTWORD(abfd, in->x_sym.x_tagndx.l, (bfd_byte *) ext->x_sym.x_tagndx);
 506 #ifndef NO_TVNDX
 507   bfd_h_put_16(abfd, in->x_sym.x_tvndx , (bfd_byte *) ext->x_sym.x_tvndx);
 508 #endif
 509
 510   if (class == C_BLOCK || ISFCN (type) || ISTAG (class))
 511     {
 512       PUT_FCN_LNNOPTR(abfd,  in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext);
 513       PUT_FCN_ENDNDX(abfd,  in->x_sym.x_fcnary.x_fcn.x_endndx.l, ext);
 514     }
 515   else
 516     {
 517 #if DIMNUM != E_DIMNUM
 518  #error we need to cope with truncating or extending DIMNUM
 519 #endif
 520       bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],
 521                     (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
 522       bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],
 523                     (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
 524       bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],
 525                     (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
 526       bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],
 527                     (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
 528     }
 529
 530   if (ISFCN (type))
 531     PUTWORD (abfd, in->x_sym.x_misc.x_fsize,
 532              (bfd_byte *)  ext->x_sym.x_misc.x_fsize);
 533   else
 534     {
 535       PUT_LNSZ_LNNO (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
 536       PUT_LNSZ_SIZE (abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
 537     }
 538
 539   return sizeof(AUXENT);
 540 }
 541
 542 #endif /* NO_COFF_SYMBOLS */
 543
 544 #ifndef NO_COFF_LINENOS
 545
 546 static void
 547 coff_swap_lineno_in (abfd, ext1, in1)
 548      bfd            *abfd;
 549      PTR ext1;
 550      PTR in1;
 551 {
 552   LINENO *ext = (LINENO *)ext1;
 553   struct internal_lineno      *in = (struct internal_lineno *)in1;
 554
 555   in->l_addr.l_symndx = bfd_h_get_32(abfd, (bfd_byte *) ext->l_addr.l_symndx);
 556   in->l_lnno = GET_LINENO_LNNO(abfd, ext);
 557 }
 558
 559 static unsigned int
 560 coff_swap_lineno_out (abfd, inp, outp)
 561      bfd       *abfd;
 562      PTR        inp;
 563      PTR        outp;
 564 {
 565   struct internal_lineno *in = (struct internal_lineno *)inp;
 566   struct external_lineno *ext = (struct external_lineno *)outp;
 567   PUTWORD(abfd, in->l_addr.l_symndx, (bfd_byte *)
 568           ext->l_addr.l_symndx);
 569
 570   PUT_LINENO_LNNO (abfd, in->l_lnno, ext);
 571   return sizeof(struct external_lineno);
 572 }
 573
 574 #endif /* NO_COFF_LINENOS */
 575
 576
 577 static void
 578 coff_swap_aouthdr_in (abfd, aouthdr_ext1, aouthdr_int1)
 579      bfd            *abfd;
 580      PTR aouthdr_ext1;
 581      PTR aouthdr_int1;
 582 {
 583   AOUTHDR        *aouthdr_ext = (AOUTHDR *) aouthdr_ext1;
 584   struct internal_aouthdr *aouthdr_int = (struct internal_aouthdr *)aouthdr_int1;
 585
 586   aouthdr_int->magic = bfd_h_get_16(abfd, (bfd_byte *) aouthdr_ext->magic);
 587   aouthdr_int->vstamp = bfd_h_get_16(abfd, (bfd_byte *) aouthdr_ext->vstamp);
 588   aouthdr_int->tsize =
 589     GET_AOUTHDR_TSIZE (abfd, (bfd_byte *) aouthdr_ext->tsize);
 590   aouthdr_int->dsize =
 591     GET_AOUTHDR_DSIZE (abfd, (bfd_byte *) aouthdr_ext->dsize);
 592   aouthdr_int->bsize =
 593     GET_AOUTHDR_BSIZE (abfd, (bfd_byte *) aouthdr_ext->bsize);
 594   aouthdr_int->entry =
 595     GET_AOUTHDR_ENTRY (abfd, (bfd_byte *) aouthdr_ext->entry);
 596   aouthdr_int->text_start =
 597     GET_AOUTHDR_TEXT_START (abfd, (bfd_byte *) aouthdr_ext->text_start);
 598   aouthdr_int->data_start =
 599     GET_AOUTHDR_DATA_START (abfd, (bfd_byte *) aouthdr_ext->data_start);
 600
 601 #ifdef I960
 602   aouthdr_int->tagentries = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->tagentries);
 603 #endif
 604
 605 #ifdef APOLLO_M68
 606   bfd_h_put_32(abfd, aouthdr_int->o_inlib, (bfd_byte *) aouthdr_ext->o_inlib);
 607   bfd_h_put_32(abfd, aouthdr_int->o_sri, (bfd_byte *) aouthdr_ext->o_sri);
 608   bfd_h_put_32(abfd, aouthdr_int->vid[0], (bfd_byte *) aouthdr_ext->vid);
 609   bfd_h_put_32(abfd, aouthdr_int->vid[1], (bfd_byte *) aouthdr_ext->vid + 4);
 610 #endif
 611
 612
 613 #ifdef RS6000COFF_C
 614   aouthdr_int->o_toc = bfd_h_get_32(abfd, aouthdr_ext->o_toc);
 615   aouthdr_int->o_snentry = bfd_h_get_16(abfd, aouthdr_ext->o_snentry);
 616   aouthdr_int->o_sntext = bfd_h_get_16(abfd, aouthdr_ext->o_sntext);
 617   aouthdr_int->o_sndata = bfd_h_get_16(abfd, aouthdr_ext->o_sndata);
 618   aouthdr_int->o_sntoc = bfd_h_get_16(abfd, aouthdr_ext->o_sntoc);
 619   aouthdr_int->o_snloader = bfd_h_get_16(abfd, aouthdr_ext->o_snloader);
 620   aouthdr_int->o_snbss = bfd_h_get_16(abfd, aouthdr_ext->o_snbss);
 621   aouthdr_int->o_algntext = bfd_h_get_16(abfd, aouthdr_ext->o_algntext);
 622   aouthdr_int->o_algndata = bfd_h_get_16(abfd, aouthdr_ext->o_algndata);
 623   aouthdr_int->o_modtype = bfd_h_get_16(abfd, aouthdr_ext->o_modtype);
 624   aouthdr_int->o_maxstack = bfd_h_get_32(abfd, aouthdr_ext->o_maxstack);
 625   aouthdr_int->o_maxdata = bfd_h_get_32(abfd, aouthdr_ext->o_maxdata);
 626 #endif
 627
 628 #ifdef MIPSECOFF
 629   aouthdr_int->bss_start = bfd_h_get_32(abfd, aouthdr_ext->bss_start);
 630   aouthdr_int->gp_value = bfd_h_get_32(abfd, aouthdr_ext->gp_value);
 631   aouthdr_int->gprmask = bfd_h_get_32(abfd, aouthdr_ext->gprmask);
 632   aouthdr_int->cprmask[0] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[0]);
 633   aouthdr_int->cprmask[1] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[1]);
 634   aouthdr_int->cprmask[2] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[2]);
 635   aouthdr_int->cprmask[3] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[3]);
 636 #endif
 637
 638 #ifdef ALPHAECOFF
 639   aouthdr_int->bss_start = bfd_h_get_64(abfd, aouthdr_ext->bss_start);
 640   aouthdr_int->gp_value = bfd_h_get_64(abfd, aouthdr_ext->gp_value);
 641   aouthdr_int->gprmask = bfd_h_get_32(abfd, aouthdr_ext->gprmask);
 642   aouthdr_int->fprmask = bfd_h_get_32(abfd, aouthdr_ext->fprmask);
 643 #endif
 644 }
 645
 646 static unsigned int
 647 coff_swap_aouthdr_out (abfd, in, out)
 648      bfd       *abfd;
 649      PTR        in;
 650      PTR        out;
 651 {
 652   struct internal_aouthdr *aouthdr_in = (struct internal_aouthdr *)in;
 653   AOUTHDR *aouthdr_out = (AOUTHDR *)out;
 654
 655   bfd_h_put_16(abfd, aouthdr_in->magic, (bfd_byte *) aouthdr_out->magic);
 656   bfd_h_put_16(abfd, aouthdr_in->vstamp, (bfd_byte *) aouthdr_out->vstamp);
 657   PUT_AOUTHDR_TSIZE (abfd, aouthdr_in->tsize, (bfd_byte *) aouthdr_out->tsize);
 658   PUT_AOUTHDR_DSIZE (abfd, aouthdr_in->dsize, (bfd_byte *) aouthdr_out->dsize);
 659   PUT_AOUTHDR_BSIZE (abfd, aouthdr_in->bsize, (bfd_byte *) aouthdr_out->bsize);
 660   PUT_AOUTHDR_ENTRY (abfd, aouthdr_in->entry, (bfd_byte *) aouthdr_out->entry);
 661   PUT_AOUTHDR_TEXT_START (abfd, aouthdr_in->text_start,
 662                           (bfd_byte *) aouthdr_out->text_start);
 663   PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
 664                           (bfd_byte *) aouthdr_out->data_start);
 665
 666 #ifdef I960
 667   bfd_h_put_32(abfd, aouthdr_in->tagentries, (bfd_byte *) aouthdr_out->tagentries);
 668 #endif
 669
 670 #ifdef RS6000COFF_C
 671   bfd_h_put_32 (abfd, aouthdr_in->o_toc, aouthdr_out->o_toc);
 672   bfd_h_put_16 (abfd, aouthdr_in->o_snentry, aouthdr_out->o_snentry);
 673   bfd_h_put_16 (abfd, aouthdr_in->o_sntext, aouthdr_out->o_sntext);
 674   bfd_h_put_16 (abfd, aouthdr_in->o_sndata, aouthdr_out->o_sndata);
 675   bfd_h_put_16 (abfd, aouthdr_in->o_sntoc, aouthdr_out->o_sntoc);
 676   bfd_h_put_16 (abfd, aouthdr_in->o_snloader, aouthdr_out->o_snloader);
 677   bfd_h_put_16 (abfd, aouthdr_in->o_snbss, aouthdr_out->o_snbss);
 678   bfd_h_put_16 (abfd, aouthdr_in->o_algntext, aouthdr_out->o_algntext);
 679   bfd_h_put_16 (abfd, aouthdr_in->o_algndata, aouthdr_out->o_algndata);
 680   bfd_h_put_16 (abfd, aouthdr_in->o_modtype, aouthdr_out->o_modtype);
 681   bfd_h_put_32 (abfd, aouthdr_in->o_maxstack, aouthdr_out->o_maxstack);
 682   bfd_h_put_32 (abfd, aouthdr_in->o_maxdata, aouthdr_out->o_maxdata);
 683   memset (aouthdr_out->o_resv1, 0, sizeof aouthdr_out->o_resv1);
 684   memset (aouthdr_out->o_resv2, 0, sizeof aouthdr_out->o_resv2);
 685 #endif
 686
 687 #ifdef MIPSECOFF
 688   bfd_h_put_32(abfd, aouthdr_in->bss_start, (bfd_byte *) aouthdr_out->bss_start);
 689   bfd_h_put_32(abfd, aouthdr_in->gp_value, (bfd_byte *) aouthdr_out->gp_value);
 690   bfd_h_put_32(abfd, aouthdr_in->gprmask, (bfd_byte *) aouthdr_out->gprmask);
 691   bfd_h_put_32(abfd, aouthdr_in->cprmask[0], (bfd_byte *) aouthdr_out->cprmask[0]);
 692   bfd_h_put_32(abfd, aouthdr_in->cprmask[1], (bfd_byte *) aouthdr_out->cprmask[1]);
 693   bfd_h_put_32(abfd, aouthdr_in->cprmask[2], (bfd_byte *) aouthdr_out->cprmask[2]);
 694   bfd_h_put_32(abfd, aouthdr_in->cprmask[3], (bfd_byte *) aouthdr_out->cprmask[3]);
 695 #endif
 696
 697 #ifdef ALPHAECOFF
 698   /* FIXME: What does bldrev mean?  */
 699   bfd_h_put_16(abfd, (bfd_vma) 2, (bfd_byte *) aouthdr_out->bldrev);
 700   bfd_h_put_16(abfd, (bfd_vma) 0, (bfd_byte *) aouthdr_out->padding);
 701   bfd_h_put_64(abfd, aouthdr_in->bss_start, (bfd_byte *) aouthdr_out->bss_start);
 702   bfd_h_put_64(abfd, aouthdr_in->gp_value, (bfd_byte *) aouthdr_out->gp_value);
 703   bfd_h_put_32(abfd, aouthdr_in->gprmask, (bfd_byte *) aouthdr_out->gprmask);
 704   bfd_h_put_32(abfd, aouthdr_in->fprmask, (bfd_byte *) aouthdr_out->fprmask);
 705 #endif
 706
 707   return sizeof(AOUTHDR);
 708 }
 709
 710 static void
 711 coff_swap_scnhdr_in (abfd, ext, in)
 712      bfd            *abfd;
 713      PTR             ext;
 714      PTR             in;
 715 {
 716   SCNHDR *scnhdr_ext = (SCNHDR *) ext;
 717   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
 718
 719   memcpy(scnhdr_int->s_name, scnhdr_ext->s_name, sizeof(scnhdr_int->s_name));
 720   scnhdr_int->s_vaddr =
 721     GET_SCNHDR_VADDR (abfd, (bfd_byte *) scnhdr_ext->s_vaddr);
 722   scnhdr_int->s_paddr =
 723     GET_SCNHDR_PADDR (abfd, (bfd_byte *) scnhdr_ext->s_paddr);
 724   scnhdr_int->s_size =
 725     GET_SCNHDR_SIZE (abfd, (bfd_byte *) scnhdr_ext->s_size);
 726
 727   scnhdr_int->s_scnptr =
 728     GET_SCNHDR_SCNPTR (abfd, (bfd_byte *) scnhdr_ext->s_scnptr);
 729   scnhdr_int->s_relptr =
 730     GET_SCNHDR_RELPTR (abfd, (bfd_byte *) scnhdr_ext->s_relptr);
 731   scnhdr_int->s_lnnoptr =
 732     GET_SCNHDR_LNNOPTR (abfd, (bfd_byte *) scnhdr_ext->s_lnnoptr);
 733   scnhdr_int->s_flags = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_flags);
 734 #if defined(M88)
 735   scnhdr_int->s_nreloc = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_nreloc);
 736   scnhdr_int->s_nlnno = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_nlnno);
 737 #else
 738   scnhdr_int->s_nreloc = bfd_h_get_16(abfd, (bfd_byte *) scnhdr_ext->s_nreloc);
 739   scnhdr_int->s_nlnno = bfd_h_get_16(abfd, (bfd_byte *) scnhdr_ext->s_nlnno);
 740 #endif
 741 #ifdef I960
 742   scnhdr_int->s_align = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_align);
 743 #endif
 744 }
 745
 746 static unsigned int
 747 coff_swap_scnhdr_out (abfd, in, out)
 748      bfd       *abfd;
 749      PTR        in;
 750      PTR        out;
 751 {
 752   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *)in;
 753   SCNHDR *scnhdr_ext = (SCNHDR *)out;
 754   unsigned int ret = sizeof (SCNHDR);
 755
 756   memcpy(scnhdr_ext->s_name, scnhdr_int->s_name, sizeof(scnhdr_int->s_name));
 757
 758   PUT_SCNHDR_VADDR (abfd, scnhdr_int->s_vaddr,
 759                     (bfd_byte *) scnhdr_ext->s_vaddr);
 760
 761
 762   PUT_SCNHDR_PADDR (abfd, scnhdr_int->s_paddr,
 763                     (bfd_byte *) scnhdr_ext->s_paddr);
 764   PUT_SCNHDR_SIZE (abfd, scnhdr_int->s_size,
 765                    (bfd_byte *) scnhdr_ext->s_size);
 766
 767   PUT_SCNHDR_SCNPTR (abfd, scnhdr_int->s_scnptr,
 768                      (bfd_byte *) scnhdr_ext->s_scnptr);
 769   PUT_SCNHDR_RELPTR (abfd, scnhdr_int->s_relptr,
 770                      (bfd_byte *) scnhdr_ext->s_relptr);
 771   PUT_SCNHDR_LNNOPTR (abfd, scnhdr_int->s_lnnoptr,
 772                       (bfd_byte *) scnhdr_ext->s_lnnoptr);
 773   PUTWORD(abfd, scnhdr_int->s_flags, (bfd_byte *) scnhdr_ext->s_flags);
 774 #if defined(M88)
 775   PUTWORD(abfd, scnhdr_int->s_nlnno, (bfd_byte *) scnhdr_ext->s_nlnno);
 776   PUTWORD(abfd, scnhdr_int->s_nreloc, (bfd_byte *) scnhdr_ext->s_nreloc);
 777 #else
 778   if (scnhdr_int->s_nlnno <= 0xffff)
 779     PUTHALF(abfd, scnhdr_int->s_nlnno, (bfd_byte *) scnhdr_ext->s_nlnno);
 780   else
 781     {
 782       (*_bfd_error_handler) ("%s: line number overflow: 0x%lx > 0xffff",
 783                              bfd_get_filename (abfd),
 784                              scnhdr_int->s_nlnno);
 785       bfd_set_error (bfd_error_file_truncated);
 786       PUTHALF (abfd, 0xffff, (bfd_byte *) scnhdr_ext->s_nlnno);
 787       ret = 0;
 788     }
 789   if (scnhdr_int->s_nreloc <= 0xffff)
 790     PUTHALF(abfd, scnhdr_int->s_nreloc, (bfd_byte *) scnhdr_ext->s_nreloc);
 791   else
 792     {
 793       (*_bfd_error_handler) ("%s: reloc overflow: 0x%lx > 0xffff",
 794                              bfd_get_filename (abfd),
 795                              scnhdr_int->s_nreloc);
 796       bfd_set_error (bfd_error_file_truncated);
 797       PUTHALF (abfd, 0xffff, (bfd_byte *) scnhdr_ext->s_nreloc);
 798       ret = 0;
 799     }
 800 #endif
 801
 802 #if defined(I960)
 803   PUTWORD(abfd, scnhdr_int->s_align, (bfd_byte *) scnhdr_ext->s_align);
 804 #endif
 805   return ret;
 806 }