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 #ifdef COFF_IMAGE_WITH_PE
 270   /* put in extra dos header stuff.  This data remains essentially
 271      constant, it just has to be tacked on to the beginning of all exes
 272      for NT */
 273   bfd_h_put_16(abfd, filehdr_in->pe->e_magic, (bfd_byte *) filehdr_out->e_magic);
 274   bfd_h_put_16(abfd, filehdr_in->pe->e_cblp, (bfd_byte *) filehdr_out->e_cblp);
 275   bfd_h_put_16(abfd, filehdr_in->pe->e_cp, (bfd_byte *) filehdr_out->e_cp);
 276   bfd_h_put_16(abfd, filehdr_in->pe->e_crlc, (bfd_byte *) filehdr_out->e_crlc);
 277   bfd_h_put_16(abfd, filehdr_in->pe->e_cparhdr,
 278                      (bfd_byte *) filehdr_out->e_cparhdr);
 279   bfd_h_put_16(abfd, filehdr_in->pe->e_minalloc,
 280                      (bfd_byte *) filehdr_out->e_minalloc);
 281   bfd_h_put_16(abfd, filehdr_in->pe->e_maxalloc,
 282                      (bfd_byte *) filehdr_out->e_maxalloc);
 283   bfd_h_put_16(abfd, filehdr_in->pe->e_ss, (bfd_byte *) filehdr_out->e_ss);
 284   bfd_h_put_16(abfd, filehdr_in->pe->e_sp, (bfd_byte *) filehdr_out->e_sp);
 285   bfd_h_put_16(abfd, filehdr_in->pe->e_csum, (bfd_byte *) filehdr_out->e_csum);
 286   bfd_h_put_16(abfd, filehdr_in->pe->e_ip, (bfd_byte *) filehdr_out->e_ip);
 287   bfd_h_put_16(abfd, filehdr_in->pe->e_cs, (bfd_byte *) filehdr_out->e_cs);
 288   bfd_h_put_16(abfd, filehdr_in->pe->e_lfarlc, (bfd_byte *) filehdr_out->e_lfarlc);
 289   bfd_h_put_16(abfd, filehdr_in->pe->e_ovno, (bfd_byte *) filehdr_out->e_ovno);
 290   {
 291     int idx;
 292     for (idx=0; idx < 4; idx++)
 293       bfd_h_put_16(abfd, filehdr_in->pe->e_res[idx],
 294                          (bfd_byte *) filehdr_out->e_res[idx]);
 295   }
 296   bfd_h_put_16(abfd, filehdr_in->pe->e_oemid, (bfd_byte *) filehdr_out->e_oemid);
 297   bfd_h_put_16(abfd, filehdr_in->pe->e_oeminfo,
 298                      (bfd_byte *) filehdr_out->e_oeminfo);
 299   {
 300     int idx;
 301     for (idx=0; idx < 10; idx++)
 302       bfd_h_put_16(abfd, filehdr_in->pe->e_res2[idx],
 303                          (bfd_byte *) filehdr_out->e_res2[idx]);
 304   }
 305   bfd_h_put_32(abfd, filehdr_in->pe->e_lfanew, (bfd_byte *) filehdr_out->e_lfanew);
 306
 307   {
 308     int idx;
 309     for (idx=0; idx < 16; idx++)
 310       bfd_h_put_32(abfd, filehdr_in->pe->dos_message[idx],
 311                          (bfd_byte *) filehdr_out->dos_message[idx]);
 312   }
 313
 314   /* also put in the NT signature */
 315   bfd_h_put_32(abfd, filehdr_in->pe->nt_signature,
 316                      (bfd_byte *) filehdr_out->nt_signature);
 317
 318
 319 #endif
 320
 321
 322
 323   return sizeof(FILHDR);
 324 }
 325
 326
 327 #ifndef NO_COFF_SYMBOLS
 328
 329 static void
 330 coff_swap_sym_in (abfd, ext1, in1)
 331      bfd            *abfd;
 332      PTR ext1;
 333      PTR in1;
 334 {
 335   SYMENT *ext = (SYMENT *)ext1;
 336   struct internal_syment      *in = (struct internal_syment *)in1;
 337
 338   if( ext->e.e_name[0] == 0) {
 339     in->_n._n_n._n_zeroes = 0;
 340     in->_n._n_n._n_offset = bfd_h_get_32(abfd, (bfd_byte *) ext->e.e.e_offset);
 341   }
 342   else {
 343 #if SYMNMLEN != E_SYMNMLEN
 344    -> Error, we need to cope with truncating or extending SYMNMLEN!;
 345 #else
 346     memcpy(in->_n._n_name, ext->e.e_name, SYMNMLEN);
 347 #endif
 348   }
 349   in->n_value = bfd_h_get_32(abfd, (bfd_byte *) ext->e_value);
 350   in->n_scnum = bfd_h_get_16(abfd, (bfd_byte *) ext->e_scnum);
 351   if (sizeof(ext->e_type) == 2){
 352     in->n_type = bfd_h_get_16(abfd, (bfd_byte *) ext->e_type);
 353   }
 354   else {
 355     in->n_type = bfd_h_get_32(abfd, (bfd_byte *) ext->e_type);
 356   }
 357   in->n_sclass = bfd_h_get_8(abfd, ext->e_sclass);
 358   in->n_numaux = bfd_h_get_8(abfd, ext->e_numaux);
 359
 360 #ifdef COFF_WITH_PE
 361   /* The section symbols for the .idata$ sections have class 68, which MS
 362      documentation indicates is a section symbol.  The problem is that the
 363      value field in the symbol is simply a copy of the .idata section's flags
 364      rather than something useful.  When these symbols are encountered, change
 365      the value to 0 and the section number to 1 so that they will be handled
 366      somewhat correctly in the bfd code. */
 367   if (in->n_sclass == 0x68) {
 368     in->n_value = 0x0;
 369     in->n_scnum = 1;
 370     /* I have tried setting the class to 3 and using the following to set
 371        the section number.  This will put the address of the pointer to the
 372        string kernel32.dll at addresses 0 and 0x10 off start of idata section
 373        which is not correct */
 374 /*    if (strcmp (in->_n._n_name, ".idata$4") == 0) */
 375 /*      in->n_scnum = 3; */
 376 /*    else */
 377 /*      in->n_scnum = 2; */
 378     }
 379 #endif
 380 }
 381
 382 static unsigned int
 383 coff_swap_sym_out (abfd, inp, extp)
 384      bfd       *abfd;
 385      PTR        inp;
 386      PTR        extp;
 387 {
 388   struct internal_syment *in = (struct internal_syment *)inp;
 389   SYMENT *ext =(SYMENT *)extp;
 390   if(in->_n._n_name[0] == 0) {
 391     bfd_h_put_32(abfd, 0, (bfd_byte *) ext->e.e.e_zeroes);
 392     bfd_h_put_32(abfd, in->_n._n_n._n_offset, (bfd_byte *)  ext->e.e.e_offset);
 393   }
 394   else {
 395 #if SYMNMLEN != E_SYMNMLEN
 396     -> Error, we need to cope with truncating or extending SYMNMLEN!;
 397 #else
 398     memcpy(ext->e.e_name, in->_n._n_name, SYMNMLEN);
 399 #endif
 400   }
 401   bfd_h_put_32(abfd,  in->n_value , (bfd_byte *) ext->e_value);
 402   bfd_h_put_16(abfd,  in->n_scnum , (bfd_byte *) ext->e_scnum);
 403   if (sizeof(ext->e_type) == 2)
 404       {
 405         bfd_h_put_16(abfd,  in->n_type , (bfd_byte *) ext->e_type);
 406       }
 407   else
 408       {
 409         bfd_h_put_32(abfd,  in->n_type , (bfd_byte *) ext->e_type);
 410       }
 411   bfd_h_put_8(abfd,  in->n_sclass , ext->e_sclass);
 412   bfd_h_put_8(abfd,  in->n_numaux , ext->e_numaux);
 413   return sizeof(SYMENT);
 414 }
 415
 416 static void
 417 coff_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
 418      bfd            *abfd;
 419      PTR              ext1;
 420      int             type;
 421      int             class;
 422      int              indx;
 423      int              numaux;
 424      PTR              in1;
 425 {
 426   AUXENT    *ext = (AUXENT *)ext1;
 427   union internal_auxent *in = (union internal_auxent *)in1;
 428
 429   switch (class) {
 430     case C_FILE:
 431       if (ext->x_file.x_fname[0] == 0) {
 432           in->x_file.x_n.x_zeroes = 0;
 433           in->x_file.x_n.x_offset =
 434            bfd_h_get_32(abfd, (bfd_byte *) ext->x_file.x_n.x_offset);
 435         } else {
 436 #if FILNMLEN != E_FILNMLEN
 437             -> Error, we need to cope with truncating or extending FILNMLEN!;
 438 #else
 439             memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
 440 #endif
 441           }
 442       return;
 443
 444       /* RS/6000 "csect" auxents */
 445 #ifdef RS6000COFF_C
 446     case C_EXT:
 447     case C_HIDEXT:
 448       if (indx + 1 == numaux)
 449         {
 450           in->x_csect.x_scnlen.l = bfd_h_get_32 (abfd, ext->x_csect.x_scnlen);
 451           in->x_csect.x_parmhash = bfd_h_get_32 (abfd,
 452                                                  ext->x_csect.x_parmhash);
 453           in->x_csect.x_snhash   = bfd_h_get_16 (abfd, ext->x_csect.x_snhash);
 454           /* We don't have to hack bitfields in x_smtyp because it's
 455              defined by shifts-and-ands, which are equivalent on all
 456              byte orders.  */
 457           in->x_csect.x_smtyp    = bfd_h_get_8  (abfd, ext->x_csect.x_smtyp);
 458           in->x_csect.x_smclas   = bfd_h_get_8  (abfd, ext->x_csect.x_smclas);
 459           in->x_csect.x_stab     = bfd_h_get_32 (abfd, ext->x_csect.x_stab);
 460           in->x_csect.x_snstab   = bfd_h_get_16 (abfd, ext->x_csect.x_snstab);
 461           return;
 462         }
 463       break;
 464 #endif
 465
 466     case C_STAT:
 467 #ifdef C_LEAFSTAT
 468     case C_LEAFSTAT:
 469 #endif
 470     case C_HIDDEN:
 471       if (type == T_NULL) {
 472           in->x_scn.x_scnlen = GET_SCN_SCNLEN(abfd, ext);
 473           in->x_scn.x_nreloc = GET_SCN_NRELOC(abfd, ext);
 474           in->x_scn.x_nlinno = GET_SCN_NLINNO(abfd, ext);
 475           return;
 476         }
 477       break;
 478     }
 479
 480   in->x_sym.x_tagndx.l = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_tagndx);
 481 #ifndef NO_TVNDX
 482   in->x_sym.x_tvndx = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_tvndx);
 483 #endif
 484
 485   if (class == C_BLOCK || ISFCN (type) || ISTAG (class))
 486     {
 487       in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR (abfd, ext);
 488       in->x_sym.x_fcnary.x_fcn.x_endndx.l = GET_FCN_ENDNDX (abfd, ext);
 489     }
 490   else
 491     {
 492 #if DIMNUM != E_DIMNUM
 493  #error we need to cope with truncating or extending DIMNUM
 494 #endif
 495       in->x_sym.x_fcnary.x_ary.x_dimen[0] =
 496         bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
 497       in->x_sym.x_fcnary.x_ary.x_dimen[1] =
 498         bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
 499       in->x_sym.x_fcnary.x_ary.x_dimen[2] =
 500         bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
 501       in->x_sym.x_fcnary.x_ary.x_dimen[3] =
 502         bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
 503     }
 504
 505   if (ISFCN(type)) {
 506     in->x_sym.x_misc.x_fsize = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_fsize);
 507   }
 508   else {
 509     in->x_sym.x_misc.x_lnsz.x_lnno = GET_LNSZ_LNNO(abfd, ext);
 510     in->x_sym.x_misc.x_lnsz.x_size = GET_LNSZ_SIZE(abfd, ext);
 511   }
 512 }
 513
 514 static unsigned int
 515 coff_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
 516      bfd   *abfd;
 517      PTR        inp;
 518      int   type;
 519      int   class;
 520      int   indx;
 521      int   numaux;
 522      PTR        extp;
 523 {
 524   union internal_auxent *in = (union internal_auxent *)inp;
 525   AUXENT *ext = (AUXENT *)extp;
 526
 527   memset((PTR)ext, 0, AUXESZ);
 528   switch (class) {
 529   case C_FILE:
 530     if (in->x_file.x_fname[0] == 0) {
 531       PUTWORD(abfd, 0, (bfd_byte *) ext->x_file.x_n.x_zeroes);
 532       PUTWORD(abfd,
 533               in->x_file.x_n.x_offset,
 534               (bfd_byte *) ext->x_file.x_n.x_offset);
 535     }
 536     else {
 537 #if FILNMLEN != E_FILNMLEN
 538       -> Error, we need to cope with truncating or extending FILNMLEN!;
 539 #else
 540       memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
 541 #endif
 542     }
 543     return sizeof (AUXENT);
 544
 545 #ifdef RS6000COFF_C
 546   /* RS/6000 "csect" auxents */
 547   case C_EXT:
 548   case C_HIDEXT:
 549     if (indx + 1 == numaux)
 550       {
 551         PUTWORD (abfd, in->x_csect.x_scnlen.l,  ext->x_csect.x_scnlen);
 552         PUTWORD (abfd, in->x_csect.x_parmhash,  ext->x_csect.x_parmhash);
 553         PUTHALF (abfd, in->x_csect.x_snhash,    ext->x_csect.x_snhash);
 554         /* We don't have to hack bitfields in x_smtyp because it's
 555            defined by shifts-and-ands, which are equivalent on all
 556            byte orders.  */
 557         PUTBYTE (abfd, in->x_csect.x_smtyp,     ext->x_csect.x_smtyp);
 558         PUTBYTE (abfd, in->x_csect.x_smclas,    ext->x_csect.x_smclas);
 559         PUTWORD (abfd, in->x_csect.x_stab,      ext->x_csect.x_stab);
 560         PUTHALF (abfd, in->x_csect.x_snstab,    ext->x_csect.x_snstab);
 561         return sizeof (AUXENT);
 562       }
 563     break;
 564 #endif
 565
 566   case C_STAT:
 567 #ifdef C_LEAFSTAT
 568   case C_LEAFSTAT:
 569 #endif
 570   case C_HIDDEN:
 571     if (type == T_NULL) {
 572       PUT_SCN_SCNLEN(abfd, in->x_scn.x_scnlen, ext);
 573       PUT_SCN_NRELOC(abfd, in->x_scn.x_nreloc, ext);
 574       PUT_SCN_NLINNO(abfd, in->x_scn.x_nlinno, ext);
 575       return sizeof (AUXENT);
 576     }
 577     break;
 578   }
 579
 580   PUTWORD(abfd, in->x_sym.x_tagndx.l, (bfd_byte *) ext->x_sym.x_tagndx);
 581 #ifndef NO_TVNDX
 582   bfd_h_put_16(abfd, in->x_sym.x_tvndx , (bfd_byte *) ext->x_sym.x_tvndx);
 583 #endif
 584
 585   if (class == C_BLOCK || ISFCN (type) || ISTAG (class))
 586     {
 587       PUT_FCN_LNNOPTR(abfd,  in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext);
 588       PUT_FCN_ENDNDX(abfd,  in->x_sym.x_fcnary.x_fcn.x_endndx.l, ext);
 589     }
 590   else
 591     {
 592 #if DIMNUM != E_DIMNUM
 593  #error we need to cope with truncating or extending DIMNUM
 594 #endif
 595       bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],
 596                     (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
 597       bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],
 598                     (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
 599       bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],
 600                     (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
 601       bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],
 602                     (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
 603     }
 604
 605   if (ISFCN (type))
 606     PUTWORD (abfd, in->x_sym.x_misc.x_fsize,
 607              (bfd_byte *)  ext->x_sym.x_misc.x_fsize);
 608   else
 609     {
 610       PUT_LNSZ_LNNO (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
 611       PUT_LNSZ_SIZE (abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
 612     }
 613
 614   return sizeof(AUXENT);
 615 }
 616
 617 #endif /* NO_COFF_SYMBOLS */
 618
 619 #ifndef NO_COFF_LINENOS
 620
 621 static void
 622 coff_swap_lineno_in (abfd, ext1, in1)
 623      bfd            *abfd;
 624      PTR ext1;
 625      PTR in1;
 626 {
 627   LINENO *ext = (LINENO *)ext1;
 628   struct internal_lineno      *in = (struct internal_lineno *)in1;
 629
 630   in->l_addr.l_symndx = bfd_h_get_32(abfd, (bfd_byte *) ext->l_addr.l_symndx);
 631   in->l_lnno = GET_LINENO_LNNO(abfd, ext);
 632 }
 633
 634 static unsigned int
 635 coff_swap_lineno_out (abfd, inp, outp)
 636      bfd       *abfd;
 637      PTR        inp;
 638      PTR        outp;
 639 {
 640   struct internal_lineno *in = (struct internal_lineno *)inp;
 641   struct external_lineno *ext = (struct external_lineno *)outp;
 642   PUTWORD(abfd, in->l_addr.l_symndx, (bfd_byte *)
 643           ext->l_addr.l_symndx);
 644
 645   PUT_LINENO_LNNO (abfd, in->l_lnno, ext);
 646   return sizeof(struct external_lineno);
 647 }
 648
 649 #endif /* NO_COFF_LINENOS */
 650
 651
 652 static void
 653 coff_swap_aouthdr_in (abfd, aouthdr_ext1, aouthdr_int1)
 654      bfd            *abfd;
 655      PTR aouthdr_ext1;
 656      PTR aouthdr_int1;
 657 {
 658   AOUTHDR        *aouthdr_ext = (AOUTHDR *) aouthdr_ext1;
 659   struct internal_aouthdr *aouthdr_int = (struct internal_aouthdr *)aouthdr_int1;
 660
 661   aouthdr_int->magic = bfd_h_get_16(abfd, (bfd_byte *) aouthdr_ext->magic);
 662   aouthdr_int->vstamp = bfd_h_get_16(abfd, (bfd_byte *) aouthdr_ext->vstamp);
 663   aouthdr_int->tsize =
 664     GET_AOUTHDR_TSIZE (abfd, (bfd_byte *) aouthdr_ext->tsize);
 665   aouthdr_int->dsize =
 666     GET_AOUTHDR_DSIZE (abfd, (bfd_byte *) aouthdr_ext->dsize);
 667   aouthdr_int->bsize =
 668     GET_AOUTHDR_BSIZE (abfd, (bfd_byte *) aouthdr_ext->bsize);
 669   aouthdr_int->entry =
 670     GET_AOUTHDR_ENTRY (abfd, (bfd_byte *) aouthdr_ext->entry);
 671   aouthdr_int->text_start =
 672     GET_AOUTHDR_TEXT_START (abfd, (bfd_byte *) aouthdr_ext->text_start);
 673   aouthdr_int->data_start =
 674     GET_AOUTHDR_DATA_START (abfd, (bfd_byte *) aouthdr_ext->data_start);
 675
 676 #ifdef I960
 677   aouthdr_int->tagentries = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->tagentries);
 678 #endif
 679
 680 #ifdef APOLLO_M68
 681   bfd_h_put_32(abfd, aouthdr_int->o_inlib, (bfd_byte *) aouthdr_ext->o_inlib);
 682   bfd_h_put_32(abfd, aouthdr_int->o_sri, (bfd_byte *) aouthdr_ext->o_sri);
 683   bfd_h_put_32(abfd, aouthdr_int->vid[0], (bfd_byte *) aouthdr_ext->vid);
 684   bfd_h_put_32(abfd, aouthdr_int->vid[1], (bfd_byte *) aouthdr_ext->vid + 4);
 685 #endif
 686
 687
 688 #ifdef RS6000COFF_C
 689   aouthdr_int->o_toc = bfd_h_get_32(abfd, aouthdr_ext->o_toc);
 690   aouthdr_int->o_snentry = bfd_h_get_16(abfd, aouthdr_ext->o_snentry);
 691   aouthdr_int->o_sntext = bfd_h_get_16(abfd, aouthdr_ext->o_sntext);
 692   aouthdr_int->o_sndata = bfd_h_get_16(abfd, aouthdr_ext->o_sndata);
 693   aouthdr_int->o_sntoc = bfd_h_get_16(abfd, aouthdr_ext->o_sntoc);
 694   aouthdr_int->o_snloader = bfd_h_get_16(abfd, aouthdr_ext->o_snloader);
 695   aouthdr_int->o_snbss = bfd_h_get_16(abfd, aouthdr_ext->o_snbss);
 696   aouthdr_int->o_algntext = bfd_h_get_16(abfd, aouthdr_ext->o_algntext);
 697   aouthdr_int->o_algndata = bfd_h_get_16(abfd, aouthdr_ext->o_algndata);
 698   aouthdr_int->o_modtype = bfd_h_get_16(abfd, aouthdr_ext->o_modtype);
 699   aouthdr_int->o_maxstack = bfd_h_get_32(abfd, aouthdr_ext->o_maxstack);
 700 #endif
 701
 702 #ifdef MIPSECOFF
 703   aouthdr_int->bss_start = bfd_h_get_32(abfd, aouthdr_ext->bss_start);
 704   aouthdr_int->gp_value = bfd_h_get_32(abfd, aouthdr_ext->gp_value);
 705   aouthdr_int->gprmask = bfd_h_get_32(abfd, aouthdr_ext->gprmask);
 706   aouthdr_int->cprmask[0] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[0]);
 707   aouthdr_int->cprmask[1] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[1]);
 708   aouthdr_int->cprmask[2] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[2]);
 709   aouthdr_int->cprmask[3] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[3]);
 710 #endif
 711
 712 #ifdef ALPHAECOFF
 713   aouthdr_int->bss_start = bfd_h_get_64(abfd, aouthdr_ext->bss_start);
 714   aouthdr_int->gp_value = bfd_h_get_64(abfd, aouthdr_ext->gp_value);
 715   aouthdr_int->gprmask = bfd_h_get_32(abfd, aouthdr_ext->gprmask);
 716   aouthdr_int->fprmask = bfd_h_get_32(abfd, aouthdr_ext->fprmask);
 717 #endif
 718 }
 719
 720 static unsigned int
 721 coff_swap_aouthdr_out (abfd, in, out)
 722      bfd       *abfd;
 723      PTR        in;
 724      PTR        out;
 725 {
 726   struct internal_aouthdr *aouthdr_in = (struct internal_aouthdr *)in;
 727   AOUTHDR *aouthdr_out = (AOUTHDR *)out;
 728
 729   bfd_h_put_16(abfd, aouthdr_in->magic, (bfd_byte *) aouthdr_out->magic);
 730   bfd_h_put_16(abfd, aouthdr_in->vstamp, (bfd_byte *) aouthdr_out->vstamp);
 731   PUT_AOUTHDR_TSIZE (abfd, aouthdr_in->tsize, (bfd_byte *) aouthdr_out->tsize);
 732   PUT_AOUTHDR_DSIZE (abfd, aouthdr_in->dsize, (bfd_byte *) aouthdr_out->dsize);
 733   PUT_AOUTHDR_BSIZE (abfd, aouthdr_in->bsize, (bfd_byte *) aouthdr_out->bsize);
 734   PUT_AOUTHDR_ENTRY (abfd, aouthdr_in->entry, (bfd_byte *) aouthdr_out->entry);
 735   PUT_AOUTHDR_TEXT_START (abfd, aouthdr_in->text_start,
 736                           (bfd_byte *) aouthdr_out->text_start);
 737   PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
 738                           (bfd_byte *) aouthdr_out->data_start);
 739 #ifdef COFF_WITH_PE
 740   {
 741   PEAOUTHDR *peaouthdr_out = (PEAOUTHDR *)aouthdr_out;
 742   bfd_h_put_32 (abfd, aouthdr_in->pe->ImageBase,
 743                 (bfd_byte *) peaouthdr_out->ImageBase);
 744   bfd_h_put_32 (abfd, aouthdr_in->pe->SectionAlignment,
 745                 (bfd_byte *) peaouthdr_out->SectionAlignment);
 746   bfd_h_put_32 (abfd, aouthdr_in->pe->FileAlignment,
 747                 (bfd_byte *) peaouthdr_out->FileAlignment);
 748   bfd_h_put_16 (abfd, aouthdr_in->pe->MajorOperatingSystemVersion,
 749                 (bfd_byte *) peaouthdr_out->MajorOperatingSystemVersion);
 750   bfd_h_put_16 (abfd, aouthdr_in->pe->MinorOperatingSystemVersion,
 751                 (bfd_byte *) peaouthdr_out->MinorOperatingSystemVersion);
 752   bfd_h_put_16 (abfd, aouthdr_in->pe->MajorImageVersion,
 753                 (bfd_byte *) peaouthdr_out->MajorImageVersion);
 754   bfd_h_put_16 (abfd, aouthdr_in->pe->MinorImageVersion,
 755                 (bfd_byte *) peaouthdr_out->MinorImageVersion);
 756   bfd_h_put_16 (abfd, aouthdr_in->pe->MajorSubsystemVersion,
 757                 (bfd_byte *) peaouthdr_out->MajorSubsystemVersion);
 758   bfd_h_put_16 (abfd, aouthdr_in->pe->MinorSubsystemVersion,
 759                 (bfd_byte *) peaouthdr_out->MinorSubsystemVersion);
 760   bfd_h_put_32 (abfd, aouthdr_in->pe->Reserved1,
 761                 (bfd_byte *) peaouthdr_out->Reserved1);
 762   bfd_h_put_32 (abfd, aouthdr_in->pe->SizeOfImage,
 763                 (bfd_byte *) peaouthdr_out->SizeOfImage);
 764   bfd_h_put_32 (abfd, aouthdr_in->pe->SizeOfHeaders,
 765                 (bfd_byte *) peaouthdr_out->SizeOfHeaders);
 766   bfd_h_put_32 (abfd, aouthdr_in->pe->CheckSum,
 767                 (bfd_byte *) peaouthdr_out->CheckSum);
 768   bfd_h_put_16 (abfd, aouthdr_in->pe->Subsystem,
 769                 (bfd_byte *) peaouthdr_out->Subsystem);
 770   bfd_h_put_16 (abfd, aouthdr_in->pe->DllCharacteristics,
 771                 (bfd_byte *) peaouthdr_out->DllCharacteristics);
 772   bfd_h_put_32 (abfd, aouthdr_in->pe->SizeOfStackReserve,
 773                 (bfd_byte *) peaouthdr_out->SizeOfStackReserve);
 774   bfd_h_put_32 (abfd, aouthdr_in->pe->SizeOfStackCommit,
 775                 (bfd_byte *) peaouthdr_out->SizeOfStackCommit);
 776   bfd_h_put_32 (abfd, aouthdr_in->pe->SizeOfHeapReserve,
 777                 (bfd_byte *) peaouthdr_out->SizeOfHeapReserve);
 778   bfd_h_put_32 (abfd, aouthdr_in->pe->SizeOfHeapCommit,
 779                 (bfd_byte *) peaouthdr_out->SizeOfHeapCommit);
 780   bfd_h_put_32 (abfd, aouthdr_in->pe->LoaderFlags,
 781                 (bfd_byte *) peaouthdr_out->LoaderFlags);
 782   bfd_h_put_32 (abfd, aouthdr_in->pe->NumberOfRvaAndSizes,
 783                 (bfd_byte *) peaouthdr_out->NumberOfRvaAndSizes);
 784   {
 785     int idx;
 786     for (idx=0; idx < 16; idx++)
 787     {
 788       bfd_h_put_32 (abfd, aouthdr_in->pe->DataDirectory[idx].VirtualAddress,
 789                (bfd_byte *) peaouthdr_out->DataDirectory[idx][0]);
 790       bfd_h_put_32 (abfd, aouthdr_in->pe->DataDirectory[idx].Size,
 791                 (bfd_byte *) peaouthdr_out->DataDirectory[idx][1]);
 792     }
 793   }
 794 }
 795 #endif
 796
 797 #ifdef I960
 798   bfd_h_put_32(abfd, aouthdr_in->tagentries, (bfd_byte *) aouthdr_out->tagentries);
 799 #endif
 800
 801 #ifdef MIPSECOFF
 802   bfd_h_put_32(abfd, aouthdr_in->bss_start, (bfd_byte *) aouthdr_out->bss_start);
 803   bfd_h_put_32(abfd, aouthdr_in->gp_value, (bfd_byte *) aouthdr_out->gp_value);
 804   bfd_h_put_32(abfd, aouthdr_in->gprmask, (bfd_byte *) aouthdr_out->gprmask);
 805   bfd_h_put_32(abfd, aouthdr_in->cprmask[0], (bfd_byte *) aouthdr_out->cprmask[0]);
 806   bfd_h_put_32(abfd, aouthdr_in->cprmask[1], (bfd_byte *) aouthdr_out->cprmask[1]);
 807   bfd_h_put_32(abfd, aouthdr_in->cprmask[2], (bfd_byte *) aouthdr_out->cprmask[2]);
 808   bfd_h_put_32(abfd, aouthdr_in->cprmask[3], (bfd_byte *) aouthdr_out->cprmask[3]);
 809 #endif
 810
 811 #ifdef ALPHAECOFF
 812   /* FIXME: What does bldrev mean?  */
 813   bfd_h_put_16(abfd, (bfd_vma) 2, (bfd_byte *) aouthdr_out->bldrev);
 814   bfd_h_put_16(abfd, (bfd_vma) 0, (bfd_byte *) aouthdr_out->padding);
 815   bfd_h_put_64(abfd, aouthdr_in->bss_start, (bfd_byte *) aouthdr_out->bss_start);
 816   bfd_h_put_64(abfd, aouthdr_in->gp_value, (bfd_byte *) aouthdr_out->gp_value);
 817   bfd_h_put_32(abfd, aouthdr_in->gprmask, (bfd_byte *) aouthdr_out->gprmask);
 818   bfd_h_put_32(abfd, aouthdr_in->fprmask, (bfd_byte *) aouthdr_out->fprmask);
 819 #endif
 820
 821   return sizeof(AOUTHDR);
 822 }
 823
 824 static void
 825 coff_swap_scnhdr_in (abfd, ext, in)
 826      bfd            *abfd;
 827      PTR             ext;
 828      PTR             in;
 829 {
 830   SCNHDR *scnhdr_ext = (SCNHDR *) ext;
 831   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
 832
 833   memcpy(scnhdr_int->s_name, scnhdr_ext->s_name, sizeof(scnhdr_int->s_name));
 834   scnhdr_int->s_vaddr =
 835     GET_SCNHDR_VADDR (abfd, (bfd_byte *) scnhdr_ext->s_vaddr);
 836   scnhdr_int->s_paddr =
 837     GET_SCNHDR_PADDR (abfd, (bfd_byte *) scnhdr_ext->s_paddr);
 838   scnhdr_int->s_size =
 839     GET_SCNHDR_SIZE (abfd, (bfd_byte *) scnhdr_ext->s_size);
 840
 841   scnhdr_int->s_scnptr =
 842     GET_SCNHDR_SCNPTR (abfd, (bfd_byte *) scnhdr_ext->s_scnptr);
 843   scnhdr_int->s_relptr =
 844     GET_SCNHDR_RELPTR (abfd, (bfd_byte *) scnhdr_ext->s_relptr);
 845   scnhdr_int->s_lnnoptr =
 846     GET_SCNHDR_LNNOPTR (abfd, (bfd_byte *) scnhdr_ext->s_lnnoptr);
 847   scnhdr_int->s_flags = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_flags);
 848 #if defined(M88)
 849   scnhdr_int->s_nreloc = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_nreloc);
 850   scnhdr_int->s_nlnno = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_nlnno);
 851 #else
 852   scnhdr_int->s_nreloc = bfd_h_get_16(abfd, (bfd_byte *) scnhdr_ext->s_nreloc);
 853   scnhdr_int->s_nlnno = bfd_h_get_16(abfd, (bfd_byte *) scnhdr_ext->s_nlnno);
 854 #endif
 855 #ifdef I960
 856   scnhdr_int->s_align = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_align);
 857 #endif
 858
 859 #ifdef NT_EXE_IMAGE_BASE
 860 /*
 861   if (scnhdr_int->s_vaddr != 0) {
 862     scnhdr_int->s_vaddr += NT_EXE_IMAGE_BASE;
 863   }
 864 */
 865 #endif
 866 }
 867
 868 static unsigned int
 869 coff_swap_scnhdr_out (abfd, in, out)
 870      bfd       *abfd;
 871      PTR        in;
 872      PTR        out;
 873 {
 874   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *)in;
 875   SCNHDR *scnhdr_ext = (SCNHDR *)out;
 876   unsigned int ret = sizeof (SCNHDR);
 877
 878   memcpy(scnhdr_ext->s_name, scnhdr_int->s_name, sizeof(scnhdr_int->s_name));
 879
 880 #ifdef COFF_IMAGE_WITH_PE
 881
 882   {
 883   bfd_link_pe_info *pe_info = coff_data (abfd)->link_info->pe_info;
 884
 885   PUT_SCNHDR_VADDR (abfd,
 886                     (scnhdr_int->s_vaddr
 887                      - pe_value (&pe_info->image_base,
 888                                  NT_EXE_IMAGE_BASE)),
 889                     (bfd_byte *) scnhdr_ext->s_vaddr);
 890
 891
 892   /* NT wants the physical address data to be the size (s_size data) of
 893      the section */
 894 #if 1
 895   PUT_SCNHDR_PADDR (abfd, scnhdr_int->s_size,
 896                     (bfd_byte *) scnhdr_ext->s_paddr);
 897 #endif
 898   /* NT wants the size data to be rounded up to the next NT_FILE_ALIGNMENT
 899      value except for the BSS section, its s_size should be 0 */
 900   if (strcmp (scnhdr_int->s_name, _BSS) == 0)
 901     PUT_SCNHDR_SIZE (abfd, 0, (bfd_byte *) scnhdr_ext->s_size);
 902   else
 903     {
 904       bfd_vma rounded_size;
 905       rounded_size = ((scnhdr_int->s_size + NT_FILE_ALIGNMENT - 1) /
 906                       NT_FILE_ALIGNMENT) *
 907                         NT_FILE_ALIGNMENT;
 908       PUT_SCNHDR_SIZE (abfd, rounded_size, (bfd_byte *) scnhdr_ext->s_size);
 909     }
 910 }
 911 #else
 912   PUT_SCNHDR_VADDR (abfd, scnhdr_int->s_vaddr,
 913                     (bfd_byte *) scnhdr_ext->s_vaddr);
 914
 915
 916   PUT_SCNHDR_PADDR (abfd, scnhdr_int->s_paddr,
 917                     (bfd_byte *) scnhdr_ext->s_paddr);
 918   PUT_SCNHDR_SIZE (abfd, scnhdr_int->s_size,
 919                    (bfd_byte *) scnhdr_ext->s_size);
 920 #endif
 921   PUT_SCNHDR_SCNPTR (abfd, scnhdr_int->s_scnptr,
 922                      (bfd_byte *) scnhdr_ext->s_scnptr);
 923   PUT_SCNHDR_RELPTR (abfd, scnhdr_int->s_relptr,
 924                      (bfd_byte *) scnhdr_ext->s_relptr);
 925   PUT_SCNHDR_LNNOPTR (abfd, scnhdr_int->s_lnnoptr,
 926                       (bfd_byte *) scnhdr_ext->s_lnnoptr);
 927 #ifdef COFF_IMAGE_WITH_PE
 928   /* Extra flags must be set when dealing with NT.  All sections should also
 929      have the IMAGE_SCN_MEM_READ (0x40000000) flag set.  In addition, the
 930      .text section must have IMAGE_SCN_MEM_EXECUTE (0x20000000) and the data
 931      sections (.idata, .data, .bss, .CRT) must have IMAGE_SCN_MEM_WRITE set
 932      (this is especially important when dealing with the .idata section since
 933      the addresses for routines from .dlls must be overwritten).  If .reloc
 934      section data is ever generated, we must add IMAGE_SCN_MEM_DISCARDABLE
 935      (0x02000000).  Also, the resource data should also be read and
 936      writable.  */
 937   {
 938     int flags = scnhdr_int->s_flags;
 939     if (strcmp (scnhdr_int->s_name, ".data")  == 0 ||
 940         strcmp (scnhdr_int->s_name, ".CRT")   == 0 ||
 941         strcmp (scnhdr_int->s_name, ".rsrc")  == 0 ||
 942         strcmp (scnhdr_int->s_name, ".bss")   == 0)
 943       flags |= IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE;
 944     else if (strcmp (scnhdr_int->s_name, ".text") == 0)
 945       flags |= IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_EXECUTE;
 946     else if (strcmp (scnhdr_int->s_name, ".reloc") == 0)
 947       flags = SEC_DATA| IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_DISCARDABLE;
 948     else if (strcmp (scnhdr_int->s_name, ".idata") == 0)
 949       flags = IMAGE_SCN_MEM_READ | IMAGE_SCN_MEM_WRITE | SEC_DATA;
 950     else if (strcmp (scnhdr_int->s_name, ".rdata") == 0
 951              || strcmp (scnhdr_int->s_name, ".edata") == 0)
 952       flags =  IMAGE_SCN_MEM_READ | SEC_DATA;
 953
 954     PUTWORD(abfd, flags, (bfd_byte *) scnhdr_ext->s_flags);
 955   }
 956 #else
 957   PUTWORD(abfd, scnhdr_int->s_flags, (bfd_byte *) scnhdr_ext->s_flags);
 958 #endif
 959 #if defined(M88)
 960   PUTWORD(abfd, scnhdr_int->s_nlnno, (bfd_byte *) scnhdr_ext->s_nlnno);
 961   PUTWORD(abfd, scnhdr_int->s_nreloc, (bfd_byte *) scnhdr_ext->s_nreloc);
 962 #else
 963   if (scnhdr_int->s_nlnno <= 0xffff)
 964     PUTHALF(abfd, scnhdr_int->s_nlnno, (bfd_byte *) scnhdr_ext->s_nlnno);
 965   else
 966     {
 967       (*_bfd_error_handler) ("%s: line number overflow: 0x%lx > 0xffff",
 968                              bfd_get_filename (abfd),
 969                              scnhdr_int->s_nlnno);
 970       bfd_set_error (bfd_error_file_truncated);
 971       PUTHALF (abfd, 0xffff, (bfd_byte *) scnhdr_ext->s_nlnno);
 972       ret = 0;
 973     }
 974   if (scnhdr_int->s_nreloc <= 0xffff)
 975     PUTHALF(abfd, scnhdr_int->s_nreloc, (bfd_byte *) scnhdr_ext->s_nreloc);
 976   else
 977     {
 978       (*_bfd_error_handler) ("%s: reloc overflow: 0x%lx > 0xffff",
 979                              bfd_get_filename (abfd),
 980                              scnhdr_int->s_nreloc);
 981       bfd_set_error (bfd_error_file_truncated);
 982       PUTHALF (abfd, 0xffff, (bfd_byte *) scnhdr_ext->s_nreloc);
 983       ret = 0;
 984     }
 985 #endif
 986
 987 #if defined(I960)
 988   PUTWORD(abfd, scnhdr_int->s_align, (bfd_byte *) scnhdr_ext->s_align);
 989 #endif
 990   return ret;
 991 }