bfd/coffswap.h

   1 /* Generic COFF swapping routines, for BFD.
   2    Copyright (C) 1990-2020 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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22 /* This file contains routines used to swap COFF data.  It is a header
  23    file because the details of swapping depend on the details of the
  24    structures used by each COFF implementation.  This is included by
  25    coffcode.h, as well as by the ECOFF backend.
  26
  27    Any file which uses this must first include "coff/internal.h" and
  28    "coff/CPU.h".  The functions will then be correct for that CPU.  */
  29
  30 #ifndef GET_FCN_LNNOPTR
  31 #define GET_FCN_LNNOPTR(abfd, ext) \
  32   H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
  33 #endif
  34
  35 #ifndef GET_FCN_ENDNDX
  36 #define GET_FCN_ENDNDX(abfd, ext) \
  37   H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx)
  38 #endif
  39
  40 #ifndef PUT_FCN_LNNOPTR
  41 #define PUT_FCN_LNNOPTR(abfd, in, ext) \
  42   H_PUT_32 (abfd,  in, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr)
  43 #endif
  44 #ifndef PUT_FCN_ENDNDX
  45 #define PUT_FCN_ENDNDX(abfd, in, ext) \
  46   H_PUT_32 (abfd, in, ext->x_sym.x_fcnary.x_fcn.x_endndx)
  47 #endif
  48 #ifndef GET_LNSZ_LNNO
  49 #define GET_LNSZ_LNNO(abfd, ext) \
  50   H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_lnno)
  51 #endif
  52 #ifndef GET_LNSZ_SIZE
  53 #define GET_LNSZ_SIZE(abfd, ext) \
  54   H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_size)
  55 #endif
  56 #ifndef PUT_LNSZ_LNNO
  57 #define PUT_LNSZ_LNNO(abfd, in, ext) \
  58   H_PUT_16 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_lnno)
  59 #endif
  60 #ifndef PUT_LNSZ_SIZE
  61 #define PUT_LNSZ_SIZE(abfd, in, ext) \
  62   H_PUT_16 (abfd, in, ext->x_sym.x_misc.x_lnsz.x_size)
  63 #endif
  64 #ifndef GET_SCN_SCNLEN
  65 #define GET_SCN_SCNLEN(abfd, ext) \
  66   H_GET_32 (abfd, ext->x_scn.x_scnlen)
  67 #endif
  68 #ifndef GET_SCN_NRELOC
  69 #define GET_SCN_NRELOC(abfd, ext) \
  70   H_GET_16 (abfd, ext->x_scn.x_nreloc)
  71 #endif
  72 #ifndef GET_SCN_NLINNO
  73 #define GET_SCN_NLINNO(abfd, ext) \
  74   H_GET_16 (abfd, ext->x_scn.x_nlinno)
  75 #endif
  76 #ifndef PUT_SCN_SCNLEN
  77 #define PUT_SCN_SCNLEN(abfd, in, ext) \
  78   H_PUT_32 (abfd, in, ext->x_scn.x_scnlen)
  79 #endif
  80 #ifndef PUT_SCN_NRELOC
  81 #define PUT_SCN_NRELOC(abfd, in, ext) \
  82   H_PUT_16 (abfd, in, ext->x_scn.x_nreloc)
  83 #endif
  84 #ifndef PUT_SCN_NLINNO
  85 #define PUT_SCN_NLINNO(abfd, in, ext) \
  86   H_PUT_16 (abfd, in, ext->x_scn.x_nlinno)
  87 #endif
  88 #ifndef GET_LINENO_LNNO
  89 #define GET_LINENO_LNNO(abfd, ext) \
  90   H_GET_16 (abfd, ext->l_lnno);
  91 #endif
  92 #ifndef PUT_LINENO_LNNO
  93 #define PUT_LINENO_LNNO(abfd, val, ext) \
  94   H_PUT_16 (abfd, val, ext->l_lnno);
  95 #endif
  96
  97 /* The f_symptr field in the filehdr is sometimes 64 bits.  */
  98 #ifndef GET_FILEHDR_SYMPTR
  99 #define GET_FILEHDR_SYMPTR H_GET_32
 100 #endif
 101 #ifndef PUT_FILEHDR_SYMPTR
 102 #define PUT_FILEHDR_SYMPTR H_PUT_32
 103 #endif
 104
 105 /* Some fields in the aouthdr are sometimes 64 bits.  */
 106 #ifndef GET_AOUTHDR_TSIZE
 107 #define GET_AOUTHDR_TSIZE H_GET_32
 108 #endif
 109 #ifndef PUT_AOUTHDR_TSIZE
 110 #define PUT_AOUTHDR_TSIZE H_PUT_32
 111 #endif
 112 #ifndef GET_AOUTHDR_DSIZE
 113 #define GET_AOUTHDR_DSIZE H_GET_32
 114 #endif
 115 #ifndef PUT_AOUTHDR_DSIZE
 116 #define PUT_AOUTHDR_DSIZE H_PUT_32
 117 #endif
 118 #ifndef GET_AOUTHDR_BSIZE
 119 #define GET_AOUTHDR_BSIZE H_GET_32
 120 #endif
 121 #ifndef PUT_AOUTHDR_BSIZE
 122 #define PUT_AOUTHDR_BSIZE H_PUT_32
 123 #endif
 124 #ifndef GET_AOUTHDR_ENTRY
 125 #define GET_AOUTHDR_ENTRY H_GET_32
 126 #endif
 127 #ifndef PUT_AOUTHDR_ENTRY
 128 #define PUT_AOUTHDR_ENTRY H_PUT_32
 129 #endif
 130 #ifndef GET_AOUTHDR_TEXT_START
 131 #define GET_AOUTHDR_TEXT_START H_GET_32
 132 #endif
 133 #ifndef PUT_AOUTHDR_TEXT_START
 134 #define PUT_AOUTHDR_TEXT_START H_PUT_32
 135 #endif
 136 #ifndef GET_AOUTHDR_DATA_START
 137 #define GET_AOUTHDR_DATA_START H_GET_32
 138 #endif
 139 #ifndef PUT_AOUTHDR_DATA_START
 140 #define PUT_AOUTHDR_DATA_START H_PUT_32
 141 #endif
 142
 143 /* Some fields in the scnhdr are sometimes 64 bits.  */
 144 #ifndef GET_SCNHDR_PADDR
 145 #define GET_SCNHDR_PADDR H_GET_32
 146 #endif
 147 #ifndef PUT_SCNHDR_PADDR
 148 #define PUT_SCNHDR_PADDR H_PUT_32
 149 #endif
 150 #ifndef GET_SCNHDR_VADDR
 151 #define GET_SCNHDR_VADDR H_GET_32
 152 #endif
 153 #ifndef PUT_SCNHDR_VADDR
 154 #define PUT_SCNHDR_VADDR H_PUT_32
 155 #endif
 156 #ifndef GET_SCNHDR_SIZE
 157 #define GET_SCNHDR_SIZE H_GET_32
 158 #endif
 159 #ifndef PUT_SCNHDR_SIZE
 160 #define PUT_SCNHDR_SIZE H_PUT_32
 161 #endif
 162 #ifndef GET_SCNHDR_SCNPTR
 163 #define GET_SCNHDR_SCNPTR H_GET_32
 164 #endif
 165 #ifndef PUT_SCNHDR_SCNPTR
 166 #define PUT_SCNHDR_SCNPTR H_PUT_32
 167 #endif
 168 #ifndef GET_SCNHDR_RELPTR
 169 #define GET_SCNHDR_RELPTR H_GET_32
 170 #endif
 171 #ifndef PUT_SCNHDR_RELPTR
 172 #define PUT_SCNHDR_RELPTR H_PUT_32
 173 #endif
 174 #ifndef GET_SCNHDR_LNNOPTR
 175 #define GET_SCNHDR_LNNOPTR H_GET_32
 176 #endif
 177 #ifndef PUT_SCNHDR_LNNOPTR
 178 #define PUT_SCNHDR_LNNOPTR H_PUT_32
 179 #endif
 180 #ifndef GET_SCNHDR_NRELOC
 181 #define GET_SCNHDR_NRELOC H_GET_16
 182 #endif
 183 #ifndef MAX_SCNHDR_NRELOC
 184 #define MAX_SCNHDR_NRELOC 0xffff
 185 #endif
 186 #ifndef PUT_SCNHDR_NRELOC
 187 #define PUT_SCNHDR_NRELOC H_PUT_16
 188 #endif
 189 #ifndef GET_SCNHDR_NLNNO
 190 #define GET_SCNHDR_NLNNO H_GET_16
 191 #endif
 192 #ifndef MAX_SCNHDR_NLNNO
 193 #define MAX_SCNHDR_NLNNO 0xffff
 194 #endif
 195 #ifndef PUT_SCNHDR_NLNNO
 196 #define PUT_SCNHDR_NLNNO H_PUT_16
 197 #endif
 198 #ifndef GET_SCNHDR_FLAGS
 199 #define GET_SCNHDR_FLAGS H_GET_32
 200 #endif
 201 #ifndef PUT_SCNHDR_FLAGS
 202 #define PUT_SCNHDR_FLAGS H_PUT_32
 203 #endif
 204
 205 #ifndef GET_RELOC_VADDR
 206 #define GET_RELOC_VADDR H_GET_32
 207 #endif
 208 #ifndef PUT_RELOC_VADDR
 209 #define PUT_RELOC_VADDR H_PUT_32
 210 #endif
 211
 212 #ifndef NO_COFF_RELOCS
 213
 214 static void
 215 coff_swap_reloc_in (bfd * abfd, void * src, void * dst)
 216 {
 217   RELOC *reloc_src = (RELOC *) src;
 218   struct internal_reloc *reloc_dst = (struct internal_reloc *) dst;
 219
 220   reloc_dst->r_vaddr  = GET_RELOC_VADDR (abfd, reloc_src->r_vaddr);
 221   reloc_dst->r_symndx = H_GET_S32 (abfd, reloc_src->r_symndx);
 222   reloc_dst->r_type   = H_GET_16 (abfd, reloc_src->r_type);
 223
 224 #ifdef SWAP_IN_RELOC_OFFSET
 225   reloc_dst->r_offset = SWAP_IN_RELOC_OFFSET (abfd, reloc_src->r_offset);
 226 #endif
 227 }
 228
 229 static unsigned int
 230 coff_swap_reloc_out (bfd * abfd, void * src, void * dst)
 231 {
 232   struct internal_reloc *reloc_src = (struct internal_reloc *) src;
 233   struct external_reloc *reloc_dst = (struct external_reloc *) dst;
 234
 235   PUT_RELOC_VADDR (abfd, reloc_src->r_vaddr, reloc_dst->r_vaddr);
 236   H_PUT_32 (abfd, reloc_src->r_symndx, reloc_dst->r_symndx);
 237   H_PUT_16 (abfd, reloc_src->r_type, reloc_dst->r_type);
 238
 239 #ifdef SWAP_OUT_RELOC_OFFSET
 240   SWAP_OUT_RELOC_OFFSET (abfd, reloc_src->r_offset, reloc_dst->r_offset);
 241 #endif
 242 #ifdef SWAP_OUT_RELOC_EXTRA
 243   SWAP_OUT_RELOC_EXTRA (abfd, reloc_src, reloc_dst);
 244 #endif
 245
 246   return bfd_coff_relsz (abfd);
 247 }
 248
 249 #endif /* NO_COFF_RELOCS */
 250
 251 static void
 252 coff_swap_filehdr_in (bfd * abfd, void * src, void * dst)
 253 {
 254   FILHDR *filehdr_src = (FILHDR *) src;
 255   struct internal_filehdr *filehdr_dst = (struct internal_filehdr *) dst;
 256
 257 #ifdef COFF_ADJUST_FILEHDR_IN_PRE
 258   COFF_ADJUST_FILEHDR_IN_PRE (abfd, src, dst);
 259 #endif
 260   filehdr_dst->f_magic  = H_GET_16 (abfd, filehdr_src->f_magic);
 261   filehdr_dst->f_nscns  = H_GET_16 (abfd, filehdr_src->f_nscns);
 262   filehdr_dst->f_timdat = H_GET_32 (abfd, filehdr_src->f_timdat);
 263   filehdr_dst->f_symptr = GET_FILEHDR_SYMPTR (abfd, filehdr_src->f_symptr);
 264   filehdr_dst->f_nsyms  = H_GET_32 (abfd, filehdr_src->f_nsyms);
 265   filehdr_dst->f_opthdr = H_GET_16 (abfd, filehdr_src->f_opthdr);
 266   filehdr_dst->f_flags  = H_GET_16 (abfd, filehdr_src->f_flags);
 267
 268 #ifdef COFF_ADJUST_FILEHDR_IN_POST
 269   COFF_ADJUST_FILEHDR_IN_POST (abfd, src, dst);
 270 #endif
 271 }
 272
 273 static  unsigned int
 274 coff_swap_filehdr_out (bfd *abfd, void * in, void * out)
 275 {
 276   struct internal_filehdr *filehdr_in = (struct internal_filehdr *) in;
 277   FILHDR *filehdr_out = (FILHDR *) out;
 278
 279 #ifdef COFF_ADJUST_FILEHDR_OUT_PRE
 280   COFF_ADJUST_FILEHDR_OUT_PRE (abfd, in, out);
 281 #endif
 282   H_PUT_16 (abfd, filehdr_in->f_magic, filehdr_out->f_magic);
 283   H_PUT_16 (abfd, filehdr_in->f_nscns, filehdr_out->f_nscns);
 284   H_PUT_32 (abfd, filehdr_in->f_timdat, filehdr_out->f_timdat);
 285   PUT_FILEHDR_SYMPTR (abfd, filehdr_in->f_symptr, filehdr_out->f_symptr);
 286   H_PUT_32 (abfd, filehdr_in->f_nsyms, filehdr_out->f_nsyms);
 287   H_PUT_16 (abfd, filehdr_in->f_opthdr, filehdr_out->f_opthdr);
 288   H_PUT_16 (abfd, filehdr_in->f_flags, filehdr_out->f_flags);
 289
 290 #ifdef COFF_ADJUST_FILEHDR_OUT_POST
 291   COFF_ADJUST_FILEHDR_OUT_POST (abfd, in, out);
 292 #endif
 293   return bfd_coff_filhsz (abfd);
 294 }
 295
 296 #ifndef NO_COFF_SYMBOLS
 297
 298 static void
 299 coff_swap_sym_in (bfd * abfd, void * ext1, void * in1)
 300 {
 301   SYMENT *ext = (SYMENT *) ext1;
 302   struct internal_syment *in = (struct internal_syment *) in1;
 303
 304   if (ext->e.e_name[0] == 0)
 305     {
 306       in->_n._n_n._n_zeroes = 0;
 307       in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e.e.e_offset);
 308     }
 309   else
 310     {
 311 #if SYMNMLEN != E_SYMNMLEN
 312 #error we need to cope with truncating or extending SYMNMLEN
 313 #else
 314       memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN);
 315 #endif
 316     }
 317
 318   in->n_value = H_GET_32 (abfd, ext->e_value);
 319   in->n_scnum = (short) H_GET_16 (abfd, ext->e_scnum);
 320   if (sizeof (ext->e_type) == 2)
 321     in->n_type = H_GET_16 (abfd, ext->e_type);
 322   else
 323     in->n_type = H_GET_32 (abfd, ext->e_type);
 324   in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
 325   in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
 326 #ifdef COFF_ADJUST_SYM_IN_POST
 327   COFF_ADJUST_SYM_IN_POST (abfd, ext1, in1);
 328 #endif
 329 }
 330
 331 static unsigned int
 332 coff_swap_sym_out (bfd * abfd, void * inp, void * extp)
 333 {
 334   struct internal_syment *in = (struct internal_syment *) inp;
 335   SYMENT *ext =(SYMENT *) extp;
 336
 337 #ifdef COFF_ADJUST_SYM_OUT_PRE
 338   COFF_ADJUST_SYM_OUT_PRE (abfd, inp, extp);
 339 #endif
 340
 341   if (in->_n._n_name[0] == 0)
 342     {
 343       H_PUT_32 (abfd, 0, ext->e.e.e_zeroes);
 344       H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e.e.e_offset);
 345     }
 346   else
 347     {
 348 #if SYMNMLEN != E_SYMNMLEN
 349 #error we need to cope with truncating or extending SYMNMLEN
 350 #else
 351       memcpy (ext->e.e_name, in->_n._n_name, SYMNMLEN);
 352 #endif
 353     }
 354
 355   H_PUT_32 (abfd, in->n_value, ext->e_value);
 356   H_PUT_16 (abfd, in->n_scnum, ext->e_scnum);
 357
 358   if (sizeof (ext->e_type) == 2)
 359     H_PUT_16 (abfd, in->n_type, ext->e_type);
 360   else
 361     H_PUT_32 (abfd, in->n_type, ext->e_type);
 362
 363   H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
 364   H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);
 365
 366 #ifdef COFF_ADJUST_SYM_OUT_POST
 367   COFF_ADJUST_SYM_OUT_POST (abfd, inp, extp);
 368 #endif
 369
 370   return SYMESZ;
 371 }
 372
 373 static void
 374 coff_swap_aux_in (bfd *abfd,
 375                   void * ext1,
 376                   int type,
 377                   int in_class,
 378                   int indx,
 379                   int numaux,
 380                   void * in1)
 381 {
 382   AUXENT *ext = (AUXENT *) ext1;
 383   union internal_auxent *in = (union internal_auxent *) in1;
 384
 385 #ifdef COFF_ADJUST_AUX_IN_PRE
 386   COFF_ADJUST_AUX_IN_PRE (abfd, ext1, type, in_class, indx, numaux, in1);
 387 #endif
 388
 389   switch (in_class)
 390     {
 391     case C_FILE:
 392       if (ext->x_file.x_fname[0] == 0)
 393         {
 394           in->x_file.x_n.x_zeroes = 0;
 395           in->x_file.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset);
 396         }
 397       else
 398         {
 399 #if FILNMLEN != E_FILNMLEN
 400 #error we need to cope with truncating or extending FILNMLEN
 401 #else
 402           if (numaux > 1 && coff_data (abfd)->pe)
 403             {
 404               if (indx == 0)
 405                 memcpy (in->x_file.x_fname, ext->x_file.x_fname,
 406                         numaux * sizeof (AUXENT));
 407             }
 408           else
 409             memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
 410 #endif
 411         }
 412       goto end;
 413
 414     case C_STAT:
 415 #ifdef C_LEAFSTAT
 416     case C_LEAFSTAT:
 417 #endif
 418     case C_HIDDEN:
 419       if (type == T_NULL)
 420         {
 421           in->x_scn.x_scnlen = GET_SCN_SCNLEN (abfd, ext);
 422           in->x_scn.x_nreloc = GET_SCN_NRELOC (abfd, ext);
 423           in->x_scn.x_nlinno = GET_SCN_NLINNO (abfd, ext);
 424
 425           /* PE defines some extra fields; we zero them out for
 426              safety.  */
 427           in->x_scn.x_checksum = 0;
 428           in->x_scn.x_associated = 0;
 429           in->x_scn.x_comdat = 0;
 430
 431           goto end;
 432         }
 433       break;
 434     }
 435
 436   in->x_sym.x_tagndx.l = H_GET_32 (abfd, ext->x_sym.x_tagndx);
 437 #ifndef NO_TVNDX
 438   in->x_sym.x_tvndx = H_GET_16 (abfd, ext->x_sym.x_tvndx);
 439 #endif
 440
 441   if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
 442       || ISTAG (in_class))
 443     {
 444       in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR (abfd, ext);
 445       in->x_sym.x_fcnary.x_fcn.x_endndx.l = GET_FCN_ENDNDX (abfd, ext);
 446     }
 447   else
 448     {
 449 #if DIMNUM != E_DIMNUM
 450 #error we need to cope with truncating or extending DIMNUM
 451 #endif
 452       in->x_sym.x_fcnary.x_ary.x_dimen[0] =
 453         H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
 454       in->x_sym.x_fcnary.x_ary.x_dimen[1] =
 455         H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
 456       in->x_sym.x_fcnary.x_ary.x_dimen[2] =
 457         H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
 458       in->x_sym.x_fcnary.x_ary.x_dimen[3] =
 459         H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
 460     }
 461
 462   if (ISFCN (type))
 463     in->x_sym.x_misc.x_fsize = H_GET_32 (abfd, ext->x_sym.x_misc.x_fsize);
 464   else
 465     {
 466       in->x_sym.x_misc.x_lnsz.x_lnno = GET_LNSZ_LNNO (abfd, ext);
 467       in->x_sym.x_misc.x_lnsz.x_size = GET_LNSZ_SIZE (abfd, ext);
 468     }
 469
 470  end: ;
 471
 472 #ifdef COFF_ADJUST_AUX_IN_POST
 473   COFF_ADJUST_AUX_IN_POST (abfd, ext1, type, in_class, indx, numaux, in1);
 474 #endif
 475 }
 476
 477 static unsigned int
 478 coff_swap_aux_out (bfd * abfd,
 479                    void * inp,
 480                    int type,
 481                    int in_class,
 482                    int indx ATTRIBUTE_UNUSED,
 483                    int numaux ATTRIBUTE_UNUSED,
 484                    void * extp)
 485 {
 486   union internal_auxent * in = (union internal_auxent *) inp;
 487   AUXENT *ext = (AUXENT *) extp;
 488
 489 #ifdef COFF_ADJUST_AUX_OUT_PRE
 490   COFF_ADJUST_AUX_OUT_PRE (abfd, inp, type, in_class, indx, numaux, extp);
 491 #endif
 492
 493   memset (ext, 0, AUXESZ);
 494
 495   switch (in_class)
 496     {
 497     case C_FILE:
 498       if (in->x_file.x_fname[0] == 0)
 499         {
 500           H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes);
 501           H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset);
 502         }
 503       else
 504         {
 505 #if FILNMLEN != E_FILNMLEN
 506 #error we need to cope with truncating or extending FILNMLEN
 507 #else
 508           memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
 509 #endif
 510         }
 511       goto end;
 512
 513     case C_STAT:
 514 #ifdef C_LEAFSTAT
 515     case C_LEAFSTAT:
 516 #endif
 517     case C_HIDDEN:
 518       if (type == T_NULL)
 519         {
 520           PUT_SCN_SCNLEN (abfd, in->x_scn.x_scnlen, ext);
 521           PUT_SCN_NRELOC (abfd, in->x_scn.x_nreloc, ext);
 522           PUT_SCN_NLINNO (abfd, in->x_scn.x_nlinno, ext);
 523           goto end;
 524         }
 525       break;
 526     }
 527
 528   H_PUT_32 (abfd, in->x_sym.x_tagndx.l, ext->x_sym.x_tagndx);
 529 #ifndef NO_TVNDX
 530   H_PUT_16 (abfd, in->x_sym.x_tvndx, ext->x_sym.x_tvndx);
 531 #endif
 532
 533   if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
 534       || ISTAG (in_class))
 535     {
 536       PUT_FCN_LNNOPTR (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext);
 537       PUT_FCN_ENDNDX (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, ext);
 538     }
 539   else
 540     {
 541 #if DIMNUM != E_DIMNUM
 542 #error we need to cope with truncating or extending DIMNUM
 543 #endif
 544       H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],
 545                ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
 546       H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],
 547                ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
 548       H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],
 549                ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
 550       H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],
 551                ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
 552     }
 553
 554   if (ISFCN (type))
 555     H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, ext->x_sym.x_misc.x_fsize);
 556   else
 557     {
 558       PUT_LNSZ_LNNO (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
 559       PUT_LNSZ_SIZE (abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
 560     }
 561
 562  end:
 563 #ifdef COFF_ADJUST_AUX_OUT_POST
 564   COFF_ADJUST_AUX_OUT_POST (abfd, inp, type, in_class, indx, numaux, extp);
 565 #endif
 566   return AUXESZ;
 567 }
 568
 569 #endif /* NO_COFF_SYMBOLS */
 570
 571 #ifndef NO_COFF_LINENOS
 572
 573 static void
 574 coff_swap_lineno_in (bfd * abfd, void * ext1, void * in1)
 575 {
 576   LINENO *ext = (LINENO *) ext1;
 577   struct internal_lineno *in = (struct internal_lineno *) in1;
 578
 579   in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx);
 580   in->l_lnno = GET_LINENO_LNNO (abfd, ext);
 581 }
 582
 583 static unsigned int
 584 coff_swap_lineno_out (bfd * abfd, void * inp, void * outp)
 585 {
 586   struct internal_lineno *in = (struct internal_lineno *) inp;
 587   struct external_lineno *ext = (struct external_lineno *) outp;
 588   H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx);
 589
 590   PUT_LINENO_LNNO (abfd, in->l_lnno, ext);
 591   return LINESZ;
 592 }
 593
 594 #endif /* NO_COFF_LINENOS */
 595
 596 static void
 597 coff_swap_aouthdr_in (bfd * abfd, void * aouthdr_ext1, void * aouthdr_int1)
 598 {
 599   AOUTHDR *aouthdr_ext;
 600   struct internal_aouthdr *aouthdr_int;
 601
 602   aouthdr_ext = (AOUTHDR *) aouthdr_ext1;
 603   aouthdr_int = (struct internal_aouthdr *) aouthdr_int1;
 604   aouthdr_int->magic = H_GET_16 (abfd, aouthdr_ext->magic);
 605   aouthdr_int->vstamp = H_GET_16 (abfd, aouthdr_ext->vstamp);
 606   aouthdr_int->tsize = GET_AOUTHDR_TSIZE (abfd, aouthdr_ext->tsize);
 607   aouthdr_int->dsize = GET_AOUTHDR_DSIZE (abfd, aouthdr_ext->dsize);
 608   aouthdr_int->bsize = GET_AOUTHDR_BSIZE (abfd, aouthdr_ext->bsize);
 609   aouthdr_int->entry = GET_AOUTHDR_ENTRY (abfd, aouthdr_ext->entry);
 610   aouthdr_int->text_start =
 611     GET_AOUTHDR_TEXT_START (abfd, aouthdr_ext->text_start);
 612   aouthdr_int->data_start =
 613     GET_AOUTHDR_DATA_START (abfd, aouthdr_ext->data_start);
 614
 615 #ifdef RS6000COFF_C
 616 #ifdef XCOFF64
 617   aouthdr_int->o_toc = H_GET_64 (abfd, aouthdr_ext->o_toc);
 618 #else
 619   aouthdr_int->o_toc = H_GET_32 (abfd, aouthdr_ext->o_toc);
 620 #endif
 621   aouthdr_int->o_snentry  = H_GET_16 (abfd, aouthdr_ext->o_snentry);
 622   aouthdr_int->o_sntext   = H_GET_16 (abfd, aouthdr_ext->o_sntext);
 623   aouthdr_int->o_sndata   = H_GET_16 (abfd, aouthdr_ext->o_sndata);
 624   aouthdr_int->o_sntoc    = H_GET_16 (abfd, aouthdr_ext->o_sntoc);
 625   aouthdr_int->o_snloader = H_GET_16 (abfd, aouthdr_ext->o_snloader);
 626   aouthdr_int->o_snbss    = H_GET_16 (abfd, aouthdr_ext->o_snbss);
 627   aouthdr_int->o_algntext = H_GET_16 (abfd, aouthdr_ext->o_algntext);
 628   aouthdr_int->o_algndata = H_GET_16 (abfd, aouthdr_ext->o_algndata);
 629   aouthdr_int->o_modtype  = H_GET_16 (abfd, aouthdr_ext->o_modtype);
 630   aouthdr_int->o_cputype  = H_GET_16 (abfd, aouthdr_ext->o_cputype);
 631 #ifdef XCOFF64
 632   aouthdr_int->o_maxstack = H_GET_64 (abfd, aouthdr_ext->o_maxstack);
 633   aouthdr_int->o_maxdata  = H_GET_64 (abfd, aouthdr_ext->o_maxdata);
 634 #else
 635   aouthdr_int->o_maxstack = H_GET_32 (abfd, aouthdr_ext->o_maxstack);
 636   aouthdr_int->o_maxdata  = H_GET_32 (abfd, aouthdr_ext->o_maxdata);
 637 #endif
 638 #endif
 639
 640 #ifdef MIPSECOFF
 641   aouthdr_int->bss_start  = H_GET_32 (abfd, aouthdr_ext->bss_start);
 642   aouthdr_int->gp_value   = H_GET_32 (abfd, aouthdr_ext->gp_value);
 643   aouthdr_int->gprmask    = H_GET_32 (abfd, aouthdr_ext->gprmask);
 644   aouthdr_int->cprmask[0] = H_GET_32 (abfd, aouthdr_ext->cprmask[0]);
 645   aouthdr_int->cprmask[1] = H_GET_32 (abfd, aouthdr_ext->cprmask[1]);
 646   aouthdr_int->cprmask[2] = H_GET_32 (abfd, aouthdr_ext->cprmask[2]);
 647   aouthdr_int->cprmask[3] = H_GET_32 (abfd, aouthdr_ext->cprmask[3]);
 648 #endif
 649
 650 #ifdef ALPHAECOFF
 651   aouthdr_int->bss_start = H_GET_64 (abfd, aouthdr_ext->bss_start);
 652   aouthdr_int->gp_value  = H_GET_64 (abfd, aouthdr_ext->gp_value);
 653   aouthdr_int->gprmask   = H_GET_32 (abfd, aouthdr_ext->gprmask);
 654   aouthdr_int->fprmask   = H_GET_32 (abfd, aouthdr_ext->fprmask);
 655 #endif
 656 }
 657
 658 static unsigned int
 659 coff_swap_aouthdr_out (bfd * abfd, void * in, void * out)
 660 {
 661   struct internal_aouthdr *aouthdr_in = (struct internal_aouthdr *) in;
 662   AOUTHDR *aouthdr_out = (AOUTHDR *) out;
 663
 664   H_PUT_16 (abfd, aouthdr_in->magic, aouthdr_out->magic);
 665   H_PUT_16 (abfd, aouthdr_in->vstamp, aouthdr_out->vstamp);
 666   PUT_AOUTHDR_TSIZE (abfd, aouthdr_in->tsize, aouthdr_out->tsize);
 667   PUT_AOUTHDR_DSIZE (abfd, aouthdr_in->dsize, aouthdr_out->dsize);
 668   PUT_AOUTHDR_BSIZE (abfd, aouthdr_in->bsize, aouthdr_out->bsize);
 669   PUT_AOUTHDR_ENTRY (abfd, aouthdr_in->entry, aouthdr_out->entry);
 670   PUT_AOUTHDR_TEXT_START (abfd, aouthdr_in->text_start,
 671                           aouthdr_out->text_start);
 672   PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
 673                           aouthdr_out->data_start);
 674
 675 #ifdef RS6000COFF_C
 676 #ifdef XCOFF64
 677   H_PUT_64 (abfd, aouthdr_in->o_toc, aouthdr_out->o_toc);
 678 #else
 679   H_PUT_32 (abfd, aouthdr_in->o_toc, aouthdr_out->o_toc);
 680 #endif
 681   H_PUT_16 (abfd, aouthdr_in->o_snentry, aouthdr_out->o_snentry);
 682   H_PUT_16 (abfd, aouthdr_in->o_sntext, aouthdr_out->o_sntext);
 683   H_PUT_16 (abfd, aouthdr_in->o_sndata, aouthdr_out->o_sndata);
 684   H_PUT_16 (abfd, aouthdr_in->o_sntoc, aouthdr_out->o_sntoc);
 685   H_PUT_16 (abfd, aouthdr_in->o_snloader, aouthdr_out->o_snloader);
 686   H_PUT_16 (abfd, aouthdr_in->o_snbss, aouthdr_out->o_snbss);
 687   H_PUT_16 (abfd, aouthdr_in->o_algntext, aouthdr_out->o_algntext);
 688   H_PUT_16 (abfd, aouthdr_in->o_algndata, aouthdr_out->o_algndata);
 689   H_PUT_16 (abfd, aouthdr_in->o_modtype, aouthdr_out->o_modtype);
 690   H_PUT_16 (abfd, aouthdr_in->o_cputype, aouthdr_out->o_cputype);
 691 #ifdef XCOFF64
 692   H_PUT_64 (abfd, aouthdr_in->o_maxstack, aouthdr_out->o_maxstack);
 693   H_PUT_64 (abfd, aouthdr_in->o_maxdata, aouthdr_out->o_maxdata);
 694 #else
 695   H_PUT_32 (abfd, aouthdr_in->o_maxstack, aouthdr_out->o_maxstack);
 696   H_PUT_32 (abfd, aouthdr_in->o_maxdata, aouthdr_out->o_maxdata);
 697 #endif
 698   memset (aouthdr_out->o_resv2, 0, sizeof aouthdr_out->o_resv2);
 699 #ifdef XCOFF64
 700   memset (aouthdr_out->o_debugger, 0, sizeof aouthdr_out->o_debugger);
 701   memset (aouthdr_out->o_resv3, 0, sizeof aouthdr_out->o_resv3);
 702 #endif
 703 #endif
 704
 705 #ifdef MIPSECOFF
 706   H_PUT_32 (abfd, aouthdr_in->bss_start, aouthdr_out->bss_start);
 707   H_PUT_32 (abfd, aouthdr_in->gp_value, aouthdr_out->gp_value);
 708   H_PUT_32 (abfd, aouthdr_in->gprmask, aouthdr_out->gprmask);
 709   H_PUT_32 (abfd, aouthdr_in->cprmask[0], aouthdr_out->cprmask[0]);
 710   H_PUT_32 (abfd, aouthdr_in->cprmask[1], aouthdr_out->cprmask[1]);
 711   H_PUT_32 (abfd, aouthdr_in->cprmask[2], aouthdr_out->cprmask[2]);
 712   H_PUT_32 (abfd, aouthdr_in->cprmask[3], aouthdr_out->cprmask[3]);
 713 #endif
 714
 715 #ifdef ALPHAECOFF
 716   /* FIXME: What does bldrev mean?  */
 717   H_PUT_16 (abfd, 2, aouthdr_out->bldrev);
 718   H_PUT_16 (abfd, 0, aouthdr_out->padding);
 719   H_PUT_64 (abfd, aouthdr_in->bss_start, aouthdr_out->bss_start);
 720   H_PUT_64 (abfd, aouthdr_in->gp_value, aouthdr_out->gp_value);
 721   H_PUT_32 (abfd, aouthdr_in->gprmask, aouthdr_out->gprmask);
 722   H_PUT_32 (abfd, aouthdr_in->fprmask, aouthdr_out->fprmask);
 723 #endif
 724
 725   return AOUTSZ;
 726 }
 727
 728 ATTRIBUTE_UNUSED
 729 static void
 730 coff_swap_scnhdr_in (bfd * abfd, void * ext, void * in)
 731 {
 732   SCNHDR *scnhdr_ext = (SCNHDR *) ext;
 733   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
 734
 735 #ifdef COFF_ADJUST_SCNHDR_IN_PRE
 736   COFF_ADJUST_SCNHDR_IN_PRE (abfd, ext, in);
 737 #endif
 738   memcpy (scnhdr_int->s_name, scnhdr_ext->s_name, sizeof (scnhdr_int->s_name));
 739
 740   scnhdr_int->s_vaddr = GET_SCNHDR_VADDR (abfd, scnhdr_ext->s_vaddr);
 741   scnhdr_int->s_paddr = GET_SCNHDR_PADDR (abfd, scnhdr_ext->s_paddr);
 742   scnhdr_int->s_size = GET_SCNHDR_SIZE (abfd, scnhdr_ext->s_size);
 743
 744   scnhdr_int->s_scnptr = GET_SCNHDR_SCNPTR (abfd, scnhdr_ext->s_scnptr);
 745   scnhdr_int->s_relptr = GET_SCNHDR_RELPTR (abfd, scnhdr_ext->s_relptr);
 746   scnhdr_int->s_lnnoptr = GET_SCNHDR_LNNOPTR (abfd, scnhdr_ext->s_lnnoptr);
 747   scnhdr_int->s_flags = GET_SCNHDR_FLAGS (abfd, scnhdr_ext->s_flags);
 748   scnhdr_int->s_nreloc = GET_SCNHDR_NRELOC (abfd, scnhdr_ext->s_nreloc);
 749   scnhdr_int->s_nlnno = GET_SCNHDR_NLNNO (abfd, scnhdr_ext->s_nlnno);
 750 #ifdef COFF_ADJUST_SCNHDR_IN_POST
 751   COFF_ADJUST_SCNHDR_IN_POST (abfd, ext, in);
 752 #endif
 753 }
 754
 755 ATTRIBUTE_UNUSED
 756 static unsigned int
 757 coff_swap_scnhdr_out (bfd * abfd, void * in, void * out)
 758 {
 759   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
 760   SCNHDR *scnhdr_ext = (SCNHDR *) out;
 761   unsigned int ret = bfd_coff_scnhsz (abfd);
 762
 763 #ifdef COFF_ADJUST_SCNHDR_OUT_PRE
 764   COFF_ADJUST_SCNHDR_OUT_PRE (abfd, in, out);
 765 #endif
 766   memcpy (scnhdr_ext->s_name, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
 767
 768   PUT_SCNHDR_VADDR (abfd, scnhdr_int->s_vaddr, scnhdr_ext->s_vaddr);
 769   PUT_SCNHDR_PADDR (abfd, scnhdr_int->s_paddr, scnhdr_ext->s_paddr);
 770   PUT_SCNHDR_SIZE (abfd, scnhdr_int->s_size, scnhdr_ext->s_size);
 771   PUT_SCNHDR_SCNPTR (abfd, scnhdr_int->s_scnptr, scnhdr_ext->s_scnptr);
 772   PUT_SCNHDR_RELPTR (abfd, scnhdr_int->s_relptr, scnhdr_ext->s_relptr);
 773   PUT_SCNHDR_LNNOPTR (abfd, scnhdr_int->s_lnnoptr, scnhdr_ext->s_lnnoptr);
 774   PUT_SCNHDR_FLAGS (abfd, scnhdr_int->s_flags, scnhdr_ext->s_flags);
 775   if (scnhdr_int->s_nlnno <= MAX_SCNHDR_NLNNO)
 776     PUT_SCNHDR_NLNNO (abfd, scnhdr_int->s_nlnno, scnhdr_ext->s_nlnno);
 777   else
 778     {
 779       char buf[sizeof (scnhdr_int->s_name) + 1];
 780
 781       memcpy (buf, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
 782       buf[sizeof (scnhdr_int->s_name)] = '\0';
 783       _bfd_error_handler
 784         /* xgettext:c-format */
 785         (_("%pB: warning: %s: line number overflow: 0x%lx > 0xffff"),
 786          abfd, buf, scnhdr_int->s_nlnno);
 787       PUT_SCNHDR_NLNNO (abfd, 0xffff, scnhdr_ext->s_nlnno);
 788     }
 789
 790   if (scnhdr_int->s_nreloc <= MAX_SCNHDR_NRELOC)
 791     PUT_SCNHDR_NRELOC (abfd, scnhdr_int->s_nreloc, scnhdr_ext->s_nreloc);
 792   else
 793     {
 794       char buf[sizeof (scnhdr_int->s_name) + 1];
 795
 796       memcpy (buf, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
 797       buf[sizeof (scnhdr_int->s_name)] = '\0';
 798       /* xgettext:c-format */
 799       _bfd_error_handler (_("%pB: %s: reloc overflow: 0x%lx > 0xffff"),
 800                           abfd, buf, scnhdr_int->s_nreloc);
 801       bfd_set_error (bfd_error_file_truncated);
 802       PUT_SCNHDR_NRELOC (abfd, 0xffff, scnhdr_ext->s_nreloc);
 803       ret = 0;
 804     }
 805
 806 #ifdef COFF_ADJUST_SCNHDR_OUT_POST
 807   COFF_ADJUST_SCNHDR_OUT_POST (abfd, in, out);
 808 #endif
 809   return ret;
 810 }