bfd/coffswap.h

   1 /* Generic COFF swapping routines, for BFD.
   2    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000,
   3    2001, 2002, 2005, 2007
   4    Free Software Foundation, Inc.
   5    Written by Cygnus Support.
   6
   7    This file is part of BFD, the Binary File Descriptor library.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  22    MA 02110-1301, USA.  */
  23
  24 /* This file contains routines used to swap COFF data.  It is a header
  25    file because the details of swapping depend on the details of the
  26    structures used by each COFF implementation.  This is included by
  27    coffcode.h, as well as by the ECOFF backend.
  28
  29    Any file which uses this must first include "coff/internal.h" and
  30    "coff/CPU.h".  The functions will then be correct for that CPU.  */
  31
  32 #ifndef GET_FCN_LNNOPTR
  33 #define GET_FCN_LNNOPTR(abfd, ext) \
  34   H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
  35 #endif
  36
  37 #ifndef GET_FCN_ENDNDX
  38 #define GET_FCN_ENDNDX(abfd, ext) \
  39   H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx)
  40 #endif
  41
  42 #ifndef PUT_FCN_LNNOPTR
  43 #define PUT_FCN_LNNOPTR(abfd, in, ext) \
  44   H_PUT_32 (abfd,  in, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
  45 #endif
  46 #ifndef PUT_FCN_ENDNDX
  47 #define PUT_FCN_ENDNDX(abfd, in, ext) \
  48   H_PUT_32 (abfd, in, ext->x_sym.x_fcnary.x_fcn.x_endndx)
  49 #endif
  50 #ifndef GET_LNSZ_LNNO
  51 #define GET_LNSZ_LNNO(abfd, ext) \
  52   H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_lnno)
  53 #endif
  54 #ifndef GET_LNSZ_SIZE
  55 #define GET_LNSZ_SIZE(abfd, ext) \
  56   H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_size)
  57 #endif
  58 #ifndef PUT_LNSZ_LNNO
  59 #define PUT_LNSZ_LNNO(abfd, in, ext) \
  60   H_PUT_16 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_lnno)
  61 #endif
  62 #ifndef PUT_LNSZ_SIZE
  63 #define PUT_LNSZ_SIZE(abfd, in, ext) \
  64   H_PUT_16 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_size)
  65 #endif
  66 #ifndef GET_SCN_SCNLEN
  67 #define GET_SCN_SCNLEN(abfd, ext) \
  68   H_GET_32 (abfd, ext->x_scn.x_scnlen)
  69 #endif
  70 #ifndef GET_SCN_NRELOC
  71 #define GET_SCN_NRELOC(abfd, ext) \
  72   H_GET_16 (abfd, ext->x_scn.x_nreloc)
  73 #endif
  74 #ifndef GET_SCN_NLINNO
  75 #define GET_SCN_NLINNO(abfd, ext) \
  76   H_GET_16 (abfd, ext->x_scn.x_nlinno)
  77 #endif
  78 #ifndef PUT_SCN_SCNLEN
  79 #define PUT_SCN_SCNLEN(abfd, in, ext) \
  80   H_PUT_32 (abfd, in, ext->x_scn.x_scnlen)
  81 #endif
  82 #ifndef PUT_SCN_NRELOC
  83 #define PUT_SCN_NRELOC(abfd, in, ext) \
  84   H_PUT_16 (abfd, in, ext->x_scn.x_nreloc)
  85 #endif
  86 #ifndef PUT_SCN_NLINNO
  87 #define PUT_SCN_NLINNO(abfd, in, ext) \
  88   H_PUT_16 (abfd, in, ext->x_scn.x_nlinno)
  89 #endif
  90 #ifndef GET_LINENO_LNNO
  91 #define GET_LINENO_LNNO(abfd, ext) \
  92   H_GET_16 (abfd, ext->l_lnno);
  93 #endif
  94 #ifndef PUT_LINENO_LNNO
  95 #define PUT_LINENO_LNNO(abfd, val, ext) \
  96   H_PUT_16 (abfd, val, ext->l_lnno);
  97 #endif
  98
  99 /* The f_symptr field in the filehdr is sometimes 64 bits.  */
 100 #ifndef GET_FILEHDR_SYMPTR
 101 #define GET_FILEHDR_SYMPTR H_GET_32
 102 #endif
 103 #ifndef PUT_FILEHDR_SYMPTR
 104 #define PUT_FILEHDR_SYMPTR H_PUT_32
 105 #endif
 106
 107 /* Some fields in the aouthdr are sometimes 64 bits.  */
 108 #ifndef GET_AOUTHDR_TSIZE
 109 #define GET_AOUTHDR_TSIZE H_GET_32
 110 #endif
 111 #ifndef PUT_AOUTHDR_TSIZE
 112 #define PUT_AOUTHDR_TSIZE H_PUT_32
 113 #endif
 114 #ifndef GET_AOUTHDR_DSIZE
 115 #define GET_AOUTHDR_DSIZE H_GET_32
 116 #endif
 117 #ifndef PUT_AOUTHDR_DSIZE
 118 #define PUT_AOUTHDR_DSIZE H_PUT_32
 119 #endif
 120 #ifndef GET_AOUTHDR_BSIZE
 121 #define GET_AOUTHDR_BSIZE H_GET_32
 122 #endif
 123 #ifndef PUT_AOUTHDR_BSIZE
 124 #define PUT_AOUTHDR_BSIZE H_PUT_32
 125 #endif
 126 #ifndef GET_AOUTHDR_ENTRY
 127 #define GET_AOUTHDR_ENTRY H_GET_32
 128 #endif
 129 #ifndef PUT_AOUTHDR_ENTRY
 130 #define PUT_AOUTHDR_ENTRY H_PUT_32
 131 #endif
 132 #ifndef GET_AOUTHDR_TEXT_START
 133 #define GET_AOUTHDR_TEXT_START H_GET_32
 134 #endif
 135 #ifndef PUT_AOUTHDR_TEXT_START
 136 #define PUT_AOUTHDR_TEXT_START H_PUT_32
 137 #endif
 138 #ifndef GET_AOUTHDR_DATA_START
 139 #define GET_AOUTHDR_DATA_START H_GET_32
 140 #endif
 141 #ifndef PUT_AOUTHDR_DATA_START
 142 #define PUT_AOUTHDR_DATA_START H_PUT_32
 143 #endif
 144
 145 /* Some fields in the scnhdr are sometimes 64 bits.  */
 146 #ifndef GET_SCNHDR_PADDR
 147 #define GET_SCNHDR_PADDR H_GET_32
 148 #endif
 149 #ifndef PUT_SCNHDR_PADDR
 150 #define PUT_SCNHDR_PADDR H_PUT_32
 151 #endif
 152 #ifndef GET_SCNHDR_VADDR
 153 #define GET_SCNHDR_VADDR H_GET_32
 154 #endif
 155 #ifndef PUT_SCNHDR_VADDR
 156 #define PUT_SCNHDR_VADDR H_PUT_32
 157 #endif
 158 #ifndef GET_SCNHDR_SIZE
 159 #define GET_SCNHDR_SIZE H_GET_32
 160 #endif
 161 #ifndef PUT_SCNHDR_SIZE
 162 #define PUT_SCNHDR_SIZE H_PUT_32
 163 #endif
 164 #ifndef GET_SCNHDR_SCNPTR
 165 #define GET_SCNHDR_SCNPTR H_GET_32
 166 #endif
 167 #ifndef PUT_SCNHDR_SCNPTR
 168 #define PUT_SCNHDR_SCNPTR H_PUT_32
 169 #endif
 170 #ifndef GET_SCNHDR_RELPTR
 171 #define GET_SCNHDR_RELPTR H_GET_32
 172 #endif
 173 #ifndef PUT_SCNHDR_RELPTR
 174 #define PUT_SCNHDR_RELPTR H_PUT_32
 175 #endif
 176 #ifndef GET_SCNHDR_LNNOPTR
 177 #define GET_SCNHDR_LNNOPTR H_GET_32
 178 #endif
 179 #ifndef PUT_SCNHDR_LNNOPTR
 180 #define PUT_SCNHDR_LNNOPTR H_PUT_32
 181 #endif
 182 #ifndef GET_SCNHDR_NRELOC
 183 #define GET_SCNHDR_NRELOC H_GET_16
 184 #endif
 185 #ifndef MAX_SCNHDR_NRELOC
 186 #define MAX_SCNHDR_NRELOC 0xffff
 187 #endif
 188 #ifndef PUT_SCNHDR_NRELOC
 189 #define PUT_SCNHDR_NRELOC H_PUT_16
 190 #endif
 191 #ifndef GET_SCNHDR_NLNNO
 192 #define GET_SCNHDR_NLNNO H_GET_16
 193 #endif
 194 #ifndef MAX_SCNHDR_NLNNO
 195 #define MAX_SCNHDR_NLNNO 0xffff
 196 #endif
 197 #ifndef PUT_SCNHDR_NLNNO
 198 #define PUT_SCNHDR_NLNNO H_PUT_16
 199 #endif
 200 #ifndef GET_SCNHDR_FLAGS
 201 #define GET_SCNHDR_FLAGS H_GET_32
 202 #endif
 203 #ifndef PUT_SCNHDR_FLAGS
 204 #define PUT_SCNHDR_FLAGS H_PUT_32
 205 #endif
 206
 207 #ifndef GET_RELOC_VADDR
 208 #define GET_RELOC_VADDR H_GET_32
 209 #endif
 210 #ifndef PUT_RELOC_VADDR
 211 #define PUT_RELOC_VADDR H_PUT_32
 212 #endif
 213
 214 #ifndef NO_COFF_RELOCS
 215
 216 static void
 217 coff_swap_reloc_in (bfd * abfd, void * src, void * dst)
 218 {
 219   RELOC *reloc_src = (RELOC *) src;
 220   struct internal_reloc *reloc_dst = (struct internal_reloc *) dst;
 221
 222   reloc_dst->r_vaddr  = GET_RELOC_VADDR (abfd, reloc_src->r_vaddr);
 223   reloc_dst->r_symndx = H_GET_S32 (abfd, reloc_src->r_symndx);
 224   reloc_dst->r_type   = H_GET_16 (abfd, reloc_src->r_type);
 225
 226 #ifdef SWAP_IN_RELOC_OFFSET
 227   reloc_dst->r_offset = SWAP_IN_RELOC_OFFSET (abfd, reloc_src->r_offset);
 228 #endif
 229 }
 230
 231 static unsigned int
 232 coff_swap_reloc_out (bfd * abfd, void * src, void * dst)
 233 {
 234   struct internal_reloc *reloc_src = (struct internal_reloc *) src;
 235   struct external_reloc *reloc_dst = (struct external_reloc *) dst;
 236
 237   PUT_RELOC_VADDR (abfd, reloc_src->r_vaddr, reloc_dst->r_vaddr);
 238   H_PUT_32 (abfd, reloc_src->r_symndx, reloc_dst->r_symndx);
 239   H_PUT_16 (abfd, reloc_src->r_type, reloc_dst->r_type);
 240
 241 #ifdef SWAP_OUT_RELOC_OFFSET
 242   SWAP_OUT_RELOC_OFFSET (abfd, reloc_src->r_offset, reloc_dst->r_offset);
 243 #endif
 244 #ifdef SWAP_OUT_RELOC_EXTRA
 245   SWAP_OUT_RELOC_EXTRA (abfd, reloc_src, reloc_dst);
 246 #endif
 247
 248   return bfd_coff_relsz (abfd);
 249 }
 250
 251 #endif /* NO_COFF_RELOCS */
 252
 253 static void
 254 coff_swap_filehdr_in (bfd * abfd, void * src, void * dst)
 255 {
 256   FILHDR *filehdr_src = (FILHDR *) src;
 257   struct internal_filehdr *filehdr_dst = (struct internal_filehdr *) dst;
 258
 259 #ifdef COFF_ADJUST_FILEHDR_IN_PRE
 260   COFF_ADJUST_FILEHDR_IN_PRE (abfd, src, dst);
 261 #endif
 262   filehdr_dst->f_magic  = H_GET_16 (abfd, filehdr_src->f_magic);
 263   filehdr_dst->f_nscns  = H_GET_16 (abfd, filehdr_src->f_nscns);
 264   filehdr_dst->f_timdat = H_GET_32 (abfd, filehdr_src->f_timdat);
 265   filehdr_dst->f_symptr = GET_FILEHDR_SYMPTR (abfd, filehdr_src->f_symptr);
 266   filehdr_dst->f_nsyms  = H_GET_32 (abfd, filehdr_src->f_nsyms);
 267   filehdr_dst->f_opthdr = H_GET_16 (abfd, filehdr_src->f_opthdr);
 268   filehdr_dst->f_flags  = H_GET_16 (abfd, filehdr_src->f_flags);
 269 #ifdef TIC80_TARGET_ID
 270   filehdr_dst->f_target_id = H_GET_16 (abfd, filehdr_src->f_target_id);
 271 #endif
 272
 273 #ifdef COFF_ADJUST_FILEHDR_IN_POST
 274   COFF_ADJUST_FILEHDR_IN_POST (abfd, src, dst);
 275 #endif
 276 }
 277
 278 static  unsigned int
 279 coff_swap_filehdr_out (bfd *abfd, void * in, void * out)
 280 {
 281   struct internal_filehdr *filehdr_in = (struct internal_filehdr *) in;
 282   FILHDR *filehdr_out = (FILHDR *) out;
 283
 284 #ifdef COFF_ADJUST_FILEHDR_OUT_PRE
 285   COFF_ADJUST_FILEHDR_OUT_PRE (abfd, in, out);
 286 #endif
 287   H_PUT_16 (abfd, filehdr_in->f_magic, filehdr_out->f_magic);
 288   H_PUT_16 (abfd, filehdr_in->f_nscns, filehdr_out->f_nscns);
 289   H_PUT_32 (abfd, filehdr_in->f_timdat, filehdr_out->f_timdat);
 290   PUT_FILEHDR_SYMPTR (abfd, filehdr_in->f_symptr, filehdr_out->f_symptr);
 291   H_PUT_32 (abfd, filehdr_in->f_nsyms, filehdr_out->f_nsyms);
 292   H_PUT_16 (abfd, filehdr_in->f_opthdr, filehdr_out->f_opthdr);
 293   H_PUT_16 (abfd, filehdr_in->f_flags, filehdr_out->f_flags);
 294 #ifdef TIC80_TARGET_ID
 295   H_PUT_16 (abfd, filehdr_in->f_target_id, filehdr_out->f_target_id);
 296 #endif
 297
 298 #ifdef COFF_ADJUST_FILEHDR_OUT_POST
 299   COFF_ADJUST_FILEHDR_OUT_POST (abfd, in, out);
 300 #endif
 301   return bfd_coff_filhsz (abfd);
 302 }
 303
 304 #ifndef NO_COFF_SYMBOLS
 305
 306 static void
 307 coff_swap_sym_in (bfd * abfd, void * ext1, void * in1)
 308 {
 309   SYMENT *ext = (SYMENT *) ext1;
 310   struct internal_syment *in = (struct internal_syment *) in1;
 311
 312   if (ext->e.e_name[0] == 0)
 313     {
 314       in->_n._n_n._n_zeroes = 0;
 315       in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e.e.e_offset);
 316     }
 317   else
 318     {
 319 #if SYMNMLEN != E_SYMNMLEN
 320 #error we need to cope with truncating or extending SYMNMLEN
 321 #else
 322       memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN);
 323 #endif
 324     }
 325
 326   in->n_value = H_GET_32 (abfd, ext->e_value);
 327   in->n_scnum = H_GET_16 (abfd, ext->e_scnum);
 328   if (sizeof (ext->e_type) == 2)
 329     in->n_type = H_GET_16 (abfd, ext->e_type);
 330   else
 331     in->n_type = H_GET_32 (abfd, ext->e_type);
 332   in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
 333   in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
 334 #ifdef COFF_ADJUST_SYM_IN_POST
 335   COFF_ADJUST_SYM_IN_POST (abfd, ext1, in1);
 336 #endif
 337 }
 338
 339 static unsigned int
 340 coff_swap_sym_out (bfd * abfd, void * inp, void * extp)
 341 {
 342   struct internal_syment *in = (struct internal_syment *) inp;
 343   SYMENT *ext =(SYMENT *) extp;
 344
 345 #ifdef COFF_ADJUST_SYM_OUT_PRE
 346   COFF_ADJUST_SYM_OUT_PRE (abfd, inp, extp);
 347 #endif
 348
 349   if (in->_n._n_name[0] == 0)
 350     {
 351       H_PUT_32 (abfd, 0, ext->e.e.e_zeroes);
 352       H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e.e.e_offset);
 353     }
 354   else
 355     {
 356 #if SYMNMLEN != E_SYMNMLEN
 357 #error we need to cope with truncating or extending SYMNMLEN
 358 #else
 359       memcpy (ext->e.e_name, in->_n._n_name, SYMNMLEN);
 360 #endif
 361     }
 362
 363   H_PUT_32 (abfd, in->n_value, ext->e_value);
 364   H_PUT_16 (abfd, in->n_scnum, ext->e_scnum);
 365
 366   if (sizeof (ext->e_type) == 2)
 367     H_PUT_16 (abfd, in->n_type, ext->e_type);
 368   else
 369     H_PUT_32 (abfd, in->n_type, ext->e_type);
 370
 371   H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
 372   H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);
 373
 374 #ifdef COFF_ADJUST_SYM_OUT_POST
 375   COFF_ADJUST_SYM_OUT_POST (abfd, inp, extp);
 376 #endif
 377
 378   return SYMESZ;
 379 }
 380
 381 static void
 382 coff_swap_aux_in (bfd *abfd,
 383                   void * ext1,
 384                   int type,
 385                   int class,
 386                   int indx,
 387                   int numaux,
 388                   void * in1)
 389 {
 390   AUXENT *ext = (AUXENT *) ext1;
 391   union internal_auxent *in = (union internal_auxent *) in1;
 392
 393 #ifdef COFF_ADJUST_AUX_IN_PRE
 394   COFF_ADJUST_AUX_IN_PRE (abfd, ext1, type, class, indx, numaux, in1);
 395 #endif
 396
 397   switch (class)
 398     {
 399     case C_FILE:
 400       if (ext->x_file.x_fname[0] == 0)
 401         {
 402           in->x_file.x_n.x_zeroes = 0;
 403           in->x_file.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset);
 404         }
 405       else
 406         {
 407 #if FILNMLEN != E_FILNMLEN
 408 #error we need to cope with truncating or extending FILNMLEN
 409 #else
 410           if (numaux > 1)
 411             {
 412               if (indx == 0)
 413                 memcpy (in->x_file.x_fname, ext->x_file.x_fname,
 414                         numaux * sizeof (AUXENT));
 415             }
 416           else
 417             memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
 418 #endif
 419         }
 420       goto end;
 421
 422     case C_STAT:
 423 #ifdef C_LEAFSTAT
 424     case C_LEAFSTAT:
 425 #endif
 426     case C_HIDDEN:
 427       if (type == T_NULL)
 428         {
 429           in->x_scn.x_scnlen = GET_SCN_SCNLEN (abfd, ext);
 430           in->x_scn.x_nreloc = GET_SCN_NRELOC (abfd, ext);
 431           in->x_scn.x_nlinno = GET_SCN_NLINNO (abfd, ext);
 432
 433           /* PE defines some extra fields; we zero them out for
 434              safety.  */
 435           in->x_scn.x_checksum = 0;
 436           in->x_scn.x_associated = 0;
 437           in->x_scn.x_comdat = 0;
 438
 439           goto end;
 440         }
 441       break;
 442     }
 443
 444   in->x_sym.x_tagndx.l = H_GET_32 (abfd, ext->x_sym.x_tagndx);
 445 #ifndef NO_TVNDX
 446   in->x_sym.x_tvndx = H_GET_16 (abfd, ext->x_sym.x_tvndx);
 447 #endif
 448
 449   if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
 450     {
 451       in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR (abfd, ext);
 452       in->x_sym.x_fcnary.x_fcn.x_endndx.l = GET_FCN_ENDNDX (abfd, ext);
 453     }
 454   else
 455     {
 456 #if DIMNUM != E_DIMNUM
 457 #error we need to cope with truncating or extending DIMNUM
 458 #endif
 459       in->x_sym.x_fcnary.x_ary.x_dimen[0] =
 460         H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
 461       in->x_sym.x_fcnary.x_ary.x_dimen[1] =
 462         H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
 463       in->x_sym.x_fcnary.x_ary.x_dimen[2] =
 464         H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
 465       in->x_sym.x_fcnary.x_ary.x_dimen[3] =
 466         H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
 467     }
 468
 469   if (ISFCN (type))
 470     in->x_sym.x_misc.x_fsize = H_GET_32 (abfd, ext->x_sym.x_misc.x_fsize);
 471   else
 472     {
 473       in->x_sym.x_misc.x_lnsz.x_lnno = GET_LNSZ_LNNO (abfd, ext);
 474       in->x_sym.x_misc.x_lnsz.x_size = GET_LNSZ_SIZE (abfd, ext);
 475     }
 476
 477  end: ;
 478
 479 #ifdef COFF_ADJUST_AUX_IN_POST
 480   COFF_ADJUST_AUX_IN_POST (abfd, ext1, type, class, indx, numaux, in1);
 481 #endif
 482 }
 483
 484 static unsigned int
 485 coff_swap_aux_out (bfd * abfd,
 486                    void * inp,
 487                    int type,
 488                    int class,
 489                    int indx ATTRIBUTE_UNUSED,
 490                    int numaux ATTRIBUTE_UNUSED,
 491                    void * extp)
 492 {
 493   union internal_auxent * in = (union internal_auxent *) inp;
 494   AUXENT *ext = (AUXENT *) extp;
 495
 496 #ifdef COFF_ADJUST_AUX_OUT_PRE
 497   COFF_ADJUST_AUX_OUT_PRE (abfd, inp, type, class, indx, numaux, extp);
 498 #endif
 499
 500   memset (ext, 0, AUXESZ);
 501
 502   switch (class)
 503     {
 504     case C_FILE:
 505       if (in->x_file.x_fname[0] == 0)
 506         {
 507           H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes);
 508           H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset);
 509         }
 510       else
 511         {
 512 #if FILNMLEN != E_FILNMLEN
 513 #error we need to cope with truncating or extending FILNMLEN
 514 #else
 515           memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
 516 #endif
 517         }
 518       goto end;
 519
 520     case C_STAT:
 521 #ifdef C_LEAFSTAT
 522     case C_LEAFSTAT:
 523 #endif
 524     case C_HIDDEN:
 525       if (type == T_NULL)
 526         {
 527           PUT_SCN_SCNLEN (abfd, in->x_scn.x_scnlen, ext);
 528           PUT_SCN_NRELOC (abfd, in->x_scn.x_nreloc, ext);
 529           PUT_SCN_NLINNO (abfd, in->x_scn.x_nlinno, ext);
 530           goto end;
 531         }
 532       break;
 533     }
 534
 535   H_PUT_32 (abfd, in->x_sym.x_tagndx.l, ext->x_sym.x_tagndx);
 536 #ifndef NO_TVNDX
 537   H_PUT_16 (abfd, in->x_sym.x_tvndx, ext->x_sym.x_tvndx);
 538 #endif
 539
 540   if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
 541     {
 542       PUT_FCN_LNNOPTR (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext);
 543       PUT_FCN_ENDNDX (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, ext);
 544     }
 545   else
 546     {
 547 #if DIMNUM != E_DIMNUM
 548 #error we need to cope with truncating or extending DIMNUM
 549 #endif
 550       H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],
 551                ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
 552       H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],
 553                ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
 554       H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],
 555                ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
 556       H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],
 557                ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
 558     }
 559
 560   if (ISFCN (type))
 561     H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, ext->x_sym.x_misc.x_fsize);
 562   else
 563     {
 564       PUT_LNSZ_LNNO (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
 565       PUT_LNSZ_SIZE (abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
 566     }
 567
 568  end:
 569 #ifdef COFF_ADJUST_AUX_OUT_POST
 570   COFF_ADJUST_AUX_OUT_POST (abfd, inp, type, class, indx, numaux, extp);
 571 #endif
 572   return AUXESZ;
 573 }
 574
 575 #endif /* NO_COFF_SYMBOLS */
 576
 577 #ifndef NO_COFF_LINENOS
 578
 579 static void
 580 coff_swap_lineno_in (bfd * abfd, void * ext1, void * in1)
 581 {
 582   LINENO *ext = (LINENO *) ext1;
 583   struct internal_lineno *in = (struct internal_lineno *) in1;
 584
 585   in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx);
 586   in->l_lnno = GET_LINENO_LNNO (abfd, ext);
 587 }
 588
 589 static unsigned int
 590 coff_swap_lineno_out (bfd * abfd, void * inp, void * outp)
 591 {
 592   struct internal_lineno *in = (struct internal_lineno *) inp;
 593   struct external_lineno *ext = (struct external_lineno *) outp;
 594   H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
 595
 596   PUT_LINENO_LNNO (abfd, in->l_lnno, ext);
 597   return LINESZ;
 598 }
 599
 600 #endif /* NO_COFF_LINENOS */
 601
 602 static void
 603 coff_swap_aouthdr_in (bfd * abfd, void * aouthdr_ext1, void * aouthdr_int1)
 604 {
 605   AOUTHDR *aouthdr_ext;
 606   struct internal_aouthdr *aouthdr_int;
 607
 608   aouthdr_ext = (AOUTHDR *) aouthdr_ext1;
 609   aouthdr_int = (struct internal_aouthdr *) aouthdr_int1;
 610   aouthdr_int->magic = H_GET_16 (abfd, aouthdr_ext->magic);
 611   aouthdr_int->vstamp = H_GET_16 (abfd, aouthdr_ext->vstamp);
 612   aouthdr_int->tsize = GET_AOUTHDR_TSIZE (abfd, aouthdr_ext->tsize);
 613   aouthdr_int->dsize = GET_AOUTHDR_DSIZE (abfd, aouthdr_ext->dsize);
 614   aouthdr_int->bsize = GET_AOUTHDR_BSIZE (abfd, aouthdr_ext->bsize);
 615   aouthdr_int->entry = GET_AOUTHDR_ENTRY (abfd, aouthdr_ext->entry);
 616   aouthdr_int->text_start =
 617     GET_AOUTHDR_TEXT_START (abfd, aouthdr_ext->text_start);
 618   aouthdr_int->data_start =
 619     GET_AOUTHDR_DATA_START (abfd, aouthdr_ext->data_start);
 620
 621 #ifdef I960
 622   aouthdr_int->tagentries = H_GET_32 (abfd, aouthdr_ext->tagentries);
 623 #endif
 624
 625 #ifdef APOLLO_M68
 626   H_PUT_32 (abfd, aouthdr_int->o_inlib, aouthdr_ext->o_inlib);
 627   H_PUT_32 (abfd, aouthdr_int->o_sri, aouthdr_ext->o_sri);
 628   H_PUT_32 (abfd, aouthdr_int->vid[0], aouthdr_ext->vid);
 629   H_PUT_32 (abfd, aouthdr_int->vid[1], aouthdr_ext->vid + 4);
 630 #endif
 631
 632 #ifdef RS6000COFF_C
 633 #ifdef XCOFF64
 634   aouthdr_int->o_toc = H_GET_64 (abfd, aouthdr_ext->o_toc);
 635 #else
 636   aouthdr_int->o_toc = H_GET_32 (abfd, aouthdr_ext->o_toc);
 637 #endif
 638   aouthdr_int->o_snentry  = H_GET_16 (abfd, aouthdr_ext->o_snentry);
 639   aouthdr_int->o_sntext   = H_GET_16 (abfd, aouthdr_ext->o_sntext);
 640   aouthdr_int->o_sndata   = H_GET_16 (abfd, aouthdr_ext->o_sndata);
 641   aouthdr_int->o_sntoc    = H_GET_16 (abfd, aouthdr_ext->o_sntoc);
 642   aouthdr_int->o_snloader = H_GET_16 (abfd, aouthdr_ext->o_snloader);
 643   aouthdr_int->o_snbss    = H_GET_16 (abfd, aouthdr_ext->o_snbss);
 644   aouthdr_int->o_algntext = H_GET_16 (abfd, aouthdr_ext->o_algntext);
 645   aouthdr_int->o_algndata = H_GET_16 (abfd, aouthdr_ext->o_algndata);
 646   aouthdr_int->o_modtype  = H_GET_16 (abfd, aouthdr_ext->o_modtype);
 647   aouthdr_int->o_cputype  = H_GET_16 (abfd, aouthdr_ext->o_cputype);
 648 #ifdef XCOFF64
 649   aouthdr_int->o_maxstack = H_GET_64 (abfd, aouthdr_ext->o_maxstack);
 650   aouthdr_int->o_maxdata  = H_GET_64 (abfd, aouthdr_ext->o_maxdata);
 651 #else
 652   aouthdr_int->o_maxstack = H_GET_32 (abfd, aouthdr_ext->o_maxstack);
 653   aouthdr_int->o_maxdata  = H_GET_32 (abfd, aouthdr_ext->o_maxdata);
 654 #endif
 655 #endif
 656
 657 #ifdef MIPSECOFF
 658   aouthdr_int->bss_start  = H_GET_32 (abfd, aouthdr_ext->bss_start);
 659   aouthdr_int->gp_value   = H_GET_32 (abfd, aouthdr_ext->gp_value);
 660   aouthdr_int->gprmask    = H_GET_32 (abfd, aouthdr_ext->gprmask);
 661   aouthdr_int->cprmask[0] = H_GET_32 (abfd, aouthdr_ext->cprmask[0]);
 662   aouthdr_int->cprmask[1] = H_GET_32 (abfd, aouthdr_ext->cprmask[1]);
 663   aouthdr_int->cprmask[2] = H_GET_32 (abfd, aouthdr_ext->cprmask[2]);
 664   aouthdr_int->cprmask[3] = H_GET_32 (abfd, aouthdr_ext->cprmask[3]);
 665 #endif
 666
 667 #ifdef ALPHAECOFF
 668   aouthdr_int->bss_start = H_GET_64 (abfd, aouthdr_ext->bss_start);
 669   aouthdr_int->gp_value  = H_GET_64 (abfd, aouthdr_ext->gp_value);
 670   aouthdr_int->gprmask   = H_GET_32 (abfd, aouthdr_ext->gprmask);
 671   aouthdr_int->fprmask   = H_GET_32 (abfd, aouthdr_ext->fprmask);
 672 #endif
 673 }
 674
 675 static unsigned int
 676 coff_swap_aouthdr_out (bfd * abfd, void * in, void * out)
 677 {
 678   struct internal_aouthdr *aouthdr_in = (struct internal_aouthdr *) in;
 679   AOUTHDR *aouthdr_out = (AOUTHDR *) out;
 680
 681   H_PUT_16 (abfd, aouthdr_in->magic, aouthdr_out->magic);
 682   H_PUT_16 (abfd, aouthdr_in->vstamp, aouthdr_out->vstamp);
 683   PUT_AOUTHDR_TSIZE (abfd, aouthdr_in->tsize, aouthdr_out->tsize);
 684   PUT_AOUTHDR_DSIZE (abfd, aouthdr_in->dsize, aouthdr_out->dsize);
 685   PUT_AOUTHDR_BSIZE (abfd, aouthdr_in->bsize, aouthdr_out->bsize);
 686   PUT_AOUTHDR_ENTRY (abfd, aouthdr_in->entry, aouthdr_out->entry);
 687   PUT_AOUTHDR_TEXT_START (abfd, aouthdr_in->text_start,
 688                           aouthdr_out->text_start);
 689   PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
 690                           aouthdr_out->data_start);
 691
 692 #ifdef I960
 693   H_PUT_32 (abfd, aouthdr_in->tagentries, aouthdr_out->tagentries);
 694 #endif
 695
 696 #ifdef RS6000COFF_C
 697 #ifdef XCOFF64
 698   H_PUT_64 (abfd, aouthdr_in->o_toc, aouthdr_out->o_toc);
 699 #else
 700   H_PUT_32 (abfd, aouthdr_in->o_toc, aouthdr_out->o_toc);
 701 #endif
 702   H_PUT_16 (abfd, aouthdr_in->o_snentry, aouthdr_out->o_snentry);
 703   H_PUT_16 (abfd, aouthdr_in->o_sntext, aouthdr_out->o_sntext);
 704   H_PUT_16 (abfd, aouthdr_in->o_sndata, aouthdr_out->o_sndata);
 705   H_PUT_16 (abfd, aouthdr_in->o_sntoc, aouthdr_out->o_sntoc);
 706   H_PUT_16 (abfd, aouthdr_in->o_snloader, aouthdr_out->o_snloader);
 707   H_PUT_16 (abfd, aouthdr_in->o_snbss, aouthdr_out->o_snbss);
 708   H_PUT_16 (abfd, aouthdr_in->o_algntext, aouthdr_out->o_algntext);
 709   H_PUT_16 (abfd, aouthdr_in->o_algndata, aouthdr_out->o_algndata);
 710   H_PUT_16 (abfd, aouthdr_in->o_modtype, aouthdr_out->o_modtype);
 711   H_PUT_16 (abfd, aouthdr_in->o_cputype, aouthdr_out->o_cputype);
 712 #ifdef XCOFF64
 713   H_PUT_64 (abfd, aouthdr_in->o_maxstack, aouthdr_out->o_maxstack);
 714   H_PUT_64 (abfd, aouthdr_in->o_maxdata, aouthdr_out->o_maxdata);
 715 #else
 716   H_PUT_32 (abfd, aouthdr_in->o_maxstack, aouthdr_out->o_maxstack);
 717   H_PUT_32 (abfd, aouthdr_in->o_maxdata, aouthdr_out->o_maxdata);
 718 #endif
 719   memset (aouthdr_out->o_resv2, 0, sizeof aouthdr_out->o_resv2);
 720 #ifdef XCOFF64
 721   memset (aouthdr_out->o_debugger, 0, sizeof aouthdr_out->o_debugger);
 722   memset (aouthdr_out->o_resv3, 0, sizeof aouthdr_out->o_resv3);
 723 #endif
 724 #endif
 725
 726 #ifdef MIPSECOFF
 727   H_PUT_32 (abfd, aouthdr_in->bss_start, aouthdr_out->bss_start);
 728   H_PUT_32 (abfd, aouthdr_in->gp_value, aouthdr_out->gp_value);
 729   H_PUT_32 (abfd, aouthdr_in->gprmask, aouthdr_out->gprmask);
 730   H_PUT_32 (abfd, aouthdr_in->cprmask[0], aouthdr_out->cprmask[0]);
 731   H_PUT_32 (abfd, aouthdr_in->cprmask[1], aouthdr_out->cprmask[1]);
 732   H_PUT_32 (abfd, aouthdr_in->cprmask[2], aouthdr_out->cprmask[2]);
 733   H_PUT_32 (abfd, aouthdr_in->cprmask[3], aouthdr_out->cprmask[3]);
 734 #endif
 735
 736 #ifdef ALPHAECOFF
 737   /* FIXME: What does bldrev mean?  */
 738   H_PUT_16 (abfd, 2, aouthdr_out->bldrev);
 739   H_PUT_16 (abfd, 0, aouthdr_out->padding);
 740   H_PUT_64 (abfd, aouthdr_in->bss_start, aouthdr_out->bss_start);
 741   H_PUT_64 (abfd, aouthdr_in->gp_value, aouthdr_out->gp_value);
 742   H_PUT_32 (abfd, aouthdr_in->gprmask, aouthdr_out->gprmask);
 743   H_PUT_32 (abfd, aouthdr_in->fprmask, aouthdr_out->fprmask);
 744 #endif
 745
 746   return AOUTSZ;
 747 }
 748
 749 static void
 750 coff_swap_scnhdr_in (bfd * abfd, void * ext, void * in)
 751 {
 752   SCNHDR *scnhdr_ext = (SCNHDR *) ext;
 753   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
 754
 755 #ifdef COFF_ADJUST_SCNHDR_IN_PRE
 756   COFF_ADJUST_SCNHDR_IN_PRE (abfd, ext, in);
 757 #endif
 758   memcpy (scnhdr_int->s_name, scnhdr_ext->s_name, sizeof (scnhdr_int->s_name));
 759
 760   scnhdr_int->s_vaddr = GET_SCNHDR_VADDR (abfd, scnhdr_ext->s_vaddr);
 761   scnhdr_int->s_paddr = GET_SCNHDR_PADDR (abfd, scnhdr_ext->s_paddr);
 762   scnhdr_int->s_size = GET_SCNHDR_SIZE (abfd, scnhdr_ext->s_size);
 763
 764   scnhdr_int->s_scnptr = GET_SCNHDR_SCNPTR (abfd, scnhdr_ext->s_scnptr);
 765   scnhdr_int->s_relptr = GET_SCNHDR_RELPTR (abfd, scnhdr_ext->s_relptr);
 766   scnhdr_int->s_lnnoptr = GET_SCNHDR_LNNOPTR (abfd, scnhdr_ext->s_lnnoptr);
 767   scnhdr_int->s_flags = GET_SCNHDR_FLAGS (abfd, scnhdr_ext->s_flags);
 768   scnhdr_int->s_nreloc = GET_SCNHDR_NRELOC (abfd, scnhdr_ext->s_nreloc);
 769   scnhdr_int->s_nlnno = GET_SCNHDR_NLNNO (abfd, scnhdr_ext->s_nlnno);
 770 #ifdef I960
 771   scnhdr_int->s_align = GET_SCNHDR_ALIGN (abfd, scnhdr_ext->s_align);
 772 #endif
 773 #ifdef COFF_ADJUST_SCNHDR_IN_POST
 774   COFF_ADJUST_SCNHDR_IN_POST (abfd, ext, in);
 775 #endif
 776 }
 777
 778 static unsigned int
 779 coff_swap_scnhdr_out (bfd * abfd, void * in, void * out)
 780 {
 781   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
 782   SCNHDR *scnhdr_ext = (SCNHDR *) out;
 783   unsigned int ret = bfd_coff_scnhsz (abfd);
 784
 785 #ifdef COFF_ADJUST_SCNHDR_OUT_PRE
 786   COFF_ADJUST_SCNHDR_OUT_PRE (abfd, in, out);
 787 #endif
 788   memcpy (scnhdr_ext->s_name, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
 789
 790   PUT_SCNHDR_VADDR (abfd, scnhdr_int->s_vaddr, scnhdr_ext->s_vaddr);
 791   PUT_SCNHDR_PADDR (abfd, scnhdr_int->s_paddr, scnhdr_ext->s_paddr);
 792   PUT_SCNHDR_SIZE (abfd, scnhdr_int->s_size, scnhdr_ext->s_size);
 793   PUT_SCNHDR_SCNPTR (abfd, scnhdr_int->s_scnptr, scnhdr_ext->s_scnptr);
 794   PUT_SCNHDR_RELPTR (abfd, scnhdr_int->s_relptr, scnhdr_ext->s_relptr);
 795   PUT_SCNHDR_LNNOPTR (abfd, scnhdr_int->s_lnnoptr, scnhdr_ext->s_lnnoptr);
 796   PUT_SCNHDR_FLAGS (abfd, scnhdr_int->s_flags, scnhdr_ext->s_flags);
 797 #if defined(M88)
 798   H_PUT_32 (abfd, scnhdr_int->s_nlnno, scnhdr_ext->s_nlnno);
 799   H_PUT_32 (abfd, scnhdr_int->s_nreloc, scnhdr_ext->s_nreloc);
 800 #else
 801   if (scnhdr_int->s_nlnno <= MAX_SCNHDR_NLNNO)
 802     PUT_SCNHDR_NLNNO (abfd, scnhdr_int->s_nlnno, scnhdr_ext->s_nlnno);
 803   else
 804     {
 805       char buf[sizeof (scnhdr_int->s_name) + 1];
 806
 807       memcpy (buf, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
 808       buf[sizeof (scnhdr_int->s_name)] = '\0';
 809       (*_bfd_error_handler)
 810         (_("%s: warning: %s: line number overflow: 0x%lx > 0xffff"),
 811          bfd_get_filename (abfd),
 812          buf, scnhdr_int->s_nlnno);
 813       PUT_SCNHDR_NLNNO (abfd, 0xffff, scnhdr_ext->s_nlnno);
 814     }
 815
 816   if (scnhdr_int->s_nreloc <= MAX_SCNHDR_NRELOC)
 817     PUT_SCNHDR_NRELOC (abfd, scnhdr_int->s_nreloc, scnhdr_ext->s_nreloc);
 818   else
 819     {
 820       char buf[sizeof (scnhdr_int->s_name) + 1];
 821
 822       memcpy (buf, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
 823       buf[sizeof (scnhdr_int->s_name)] = '\0';
 824       (*_bfd_error_handler) (_("%s: %s: reloc overflow: 0x%lx > 0xffff"),
 825                              bfd_get_filename (abfd),
 826                              buf, scnhdr_int->s_nreloc);
 827       bfd_set_error (bfd_error_file_truncated);
 828       PUT_SCNHDR_NRELOC (abfd, 0xffff, scnhdr_ext->s_nreloc);
 829       ret = 0;
 830     }
 831 #endif
 832
 833 #ifdef I960
 834   PUT_SCNHDR_ALIGN (abfd, scnhdr_int->s_align, scnhdr_ext->s_align);
 835 #endif
 836 #ifdef COFF_ADJUST_SCNHDR_OUT_POST
 837   COFF_ADJUST_SCNHDR_OUT_POST (abfd, in, out);
 838 #endif
 839   return ret;
 840 }