Tue Jun 16 13:06:21 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
[binutils-gdb.git] / bfd / coffswap.h
index ed1137eb64d841c6e9de0dda6a88a2f58d1ce61d..28c441545dd9542dae44c8c9547a868f90c6ec0b 100644 (file)
@@ -1,5 +1,5 @@
 /* Generic COFF swapping routines, for BFD.
-   Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
+   Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
    Written by Cygnus Support.
 
 This file is part of BFD, the Binary File Descriptor library.
@@ -16,7 +16,7 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 /* This file contains routines used to swap COFF data.  It is a header
    file because the details of swapping depend on the details of the
@@ -26,6 +26,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
    Any file which uses this must first include "coff/internal.h" and
    "coff/CPU.h".  The functions will then be correct for that CPU.  */
 
+#ifndef IMAGE_BASE
+#define IMAGE_BASE 0
+#endif
+
 #define PUTWORD bfd_h_put_32
 #define PUTHALF bfd_h_put_16
 #define        PUTBYTE bfd_h_put_8
@@ -81,14 +85,124 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16(abfd,val,  (bfd_byte *) (ext->l_lnno));
 #endif
 
+/* The f_symptr field in the filehdr is sometimes 64 bits.  */
+#ifndef GET_FILEHDR_SYMPTR
+#define GET_FILEHDR_SYMPTR bfd_h_get_32
+#endif
+#ifndef PUT_FILEHDR_SYMPTR
+#define PUT_FILEHDR_SYMPTR bfd_h_put_32
+#endif
+
+/* Some fields in the aouthdr are sometimes 64 bits.  */
+#ifndef GET_AOUTHDR_TSIZE
+#define GET_AOUTHDR_TSIZE bfd_h_get_32
+#endif
+#ifndef PUT_AOUTHDR_TSIZE
+#define PUT_AOUTHDR_TSIZE bfd_h_put_32
+#endif
+#ifndef GET_AOUTHDR_DSIZE
+#define GET_AOUTHDR_DSIZE bfd_h_get_32
+#endif
+#ifndef PUT_AOUTHDR_DSIZE
+#define PUT_AOUTHDR_DSIZE bfd_h_put_32
+#endif
+#ifndef GET_AOUTHDR_BSIZE
+#define GET_AOUTHDR_BSIZE bfd_h_get_32
+#endif
+#ifndef PUT_AOUTHDR_BSIZE
+#define PUT_AOUTHDR_BSIZE bfd_h_put_32
+#endif
+#ifndef GET_AOUTHDR_ENTRY
+#define GET_AOUTHDR_ENTRY bfd_h_get_32
+#endif
+#ifndef PUT_AOUTHDR_ENTRY
+#define PUT_AOUTHDR_ENTRY bfd_h_put_32
+#endif
+#ifndef GET_AOUTHDR_TEXT_START
+#define GET_AOUTHDR_TEXT_START bfd_h_get_32
+#endif
+#ifndef PUT_AOUTHDR_TEXT_START
+#define PUT_AOUTHDR_TEXT_START bfd_h_put_32
+#endif
+#ifndef GET_AOUTHDR_DATA_START
+#define GET_AOUTHDR_DATA_START bfd_h_get_32
+#endif
+#ifndef PUT_AOUTHDR_DATA_START
+#define PUT_AOUTHDR_DATA_START bfd_h_put_32
+#endif
+
+/* Some fields in the scnhdr are sometimes 64 bits.  */
+#ifndef GET_SCNHDR_PADDR
+#define GET_SCNHDR_PADDR bfd_h_get_32
+#endif
+#ifndef PUT_SCNHDR_PADDR
+#define PUT_SCNHDR_PADDR bfd_h_put_32
+#endif
+#ifndef GET_SCNHDR_VADDR
+#define GET_SCNHDR_VADDR bfd_h_get_32
+#endif
+#ifndef PUT_SCNHDR_VADDR
+#define PUT_SCNHDR_VADDR bfd_h_put_32
+#endif
+#ifndef GET_SCNHDR_SIZE
+#define GET_SCNHDR_SIZE bfd_h_get_32
+#endif
+#ifndef PUT_SCNHDR_SIZE
+#define PUT_SCNHDR_SIZE bfd_h_put_32
+#endif
+#ifndef GET_SCNHDR_SCNPTR
+#define GET_SCNHDR_SCNPTR bfd_h_get_32
+#endif
+#ifndef PUT_SCNHDR_SCNPTR
+#define PUT_SCNHDR_SCNPTR bfd_h_put_32
+#endif
+#ifndef GET_SCNHDR_RELPTR
+#define GET_SCNHDR_RELPTR bfd_h_get_32
+#endif
+#ifndef PUT_SCNHDR_RELPTR
+#define PUT_SCNHDR_RELPTR bfd_h_put_32
+#endif
+#ifndef GET_SCNHDR_LNNOPTR
+#define GET_SCNHDR_LNNOPTR bfd_h_get_32
+#endif
+#ifndef PUT_SCNHDR_LNNOPTR
+#define PUT_SCNHDR_LNNOPTR bfd_h_put_32
+#endif
+
+static void coff_swap_aouthdr_in PARAMS ((bfd *, PTR, PTR));
+static unsigned int coff_swap_aouthdr_out PARAMS ((bfd *, PTR, PTR));
+static void coff_swap_scnhdr_in PARAMS ((bfd *, PTR, PTR));
+static unsigned int coff_swap_scnhdr_out PARAMS ((bfd *, PTR, PTR));
+static void coff_swap_filehdr_in PARAMS ((bfd *, PTR, PTR));
+static unsigned int coff_swap_filehdr_out PARAMS ((bfd *, PTR, PTR));
+#ifndef NO_COFF_RELOCS
+static void coff_swap_reloc_in PARAMS ((bfd *, PTR, PTR));
+static unsigned int coff_swap_reloc_out PARAMS ((bfd *, PTR, PTR));
+#endif /* NO_COFF_RELOCS */
+#ifndef NO_COFF_SYMBOLS
+static void coff_swap_sym_in PARAMS ((bfd *, PTR, PTR));
+static unsigned int coff_swap_sym_out PARAMS ((bfd *, PTR, PTR));
+static void coff_swap_aux_in PARAMS ((bfd *, PTR, int, int, int, int, PTR));
+static unsigned int coff_swap_aux_out PARAMS ((bfd *, PTR, int, int, int, int, PTR));
+#endif /* NO_COFF_SYMBOLS */
+#ifndef NO_COFF_LINENOS
+static void coff_swap_lineno_in PARAMS ((bfd *, PTR, PTR));
+static unsigned int coff_swap_lineno_out PARAMS ((bfd *, PTR, PTR));
+#endif /* NO_COFF_LINENOS */
+
+#ifndef NO_COFF_RELOCS
+
 static void
-DEFUN(bfd_swap_reloc_in,(abfd, reloc_src, reloc_dst),
-      bfd            *abfd AND
-      RELOC *reloc_src AND
-      struct internal_reloc *reloc_dst)
+coff_swap_reloc_in (abfd, src, dst)
+     bfd *abfd;
+     PTR src;
+     PTR dst;
 {
+  RELOC *reloc_src = (RELOC *) src;
+  struct internal_reloc *reloc_dst = (struct internal_reloc *) dst;
+
   reloc_dst->r_vaddr = bfd_h_get_32(abfd, (bfd_byte *)reloc_src->r_vaddr);
-  reloc_dst->r_symndx = bfd_h_get_32(abfd, (bfd_byte *) reloc_src->r_symndx);
+  reloc_dst->r_symndx = bfd_h_get_signed_32(abfd, (bfd_byte *) reloc_src->r_symndx);
 
 #ifdef RS6000COFF_C
   reloc_dst->r_type = bfd_h_get_8(abfd, reloc_src->r_type);
@@ -103,19 +217,24 @@ DEFUN(bfd_swap_reloc_in,(abfd, reloc_src, reloc_dst),
 #endif
 }
 
-
 static unsigned int
-DEFUN(coff_swap_reloc_out,(abfd, src, dst),
-      bfd       *abfd AND
-      PTR      src AND
-      PTR      dst)
+coff_swap_reloc_out (abfd, src, dst)
+     bfd       *abfd;
+     PTR       src;
+     PTR       dst;
 {
   struct internal_reloc *reloc_src = (struct internal_reloc *)src;
   struct external_reloc *reloc_dst = (struct external_reloc *)dst;
   bfd_h_put_32(abfd, reloc_src->r_vaddr, (bfd_byte *) reloc_dst->r_vaddr);
   bfd_h_put_32(abfd, reloc_src->r_symndx, (bfd_byte *) reloc_dst->r_symndx);
+
+#ifdef RS6000COFF_C
+  bfd_h_put_8 (abfd, reloc_src->r_type, (bfd_byte *) reloc_dst->r_type);
+  bfd_h_put_8 (abfd, reloc_src->r_size, (bfd_byte *) reloc_dst->r_size);
+#else
   bfd_h_put_16(abfd, reloc_src->r_type, (bfd_byte *)
               reloc_dst->r_type);
+#endif
 
 #ifdef SWAP_OUT_RELOC_OFFSET
   SWAP_OUT_RELOC_OFFSET(abfd,
@@ -126,52 +245,81 @@ DEFUN(coff_swap_reloc_out,(abfd, src, dst),
   SWAP_OUT_RELOC_EXTRA(abfd,reloc_src, reloc_dst);
 #endif
 
-  return sizeof(struct external_reloc);
+  return RELSZ;
 }
 
+#endif /* NO_COFF_RELOCS */
+
 static void
-DEFUN(coff_swap_filehdr_in,(abfd, src, dst),
-      bfd            *abfd AND
-      PTR           src AND
-      PTR           dst)
+coff_swap_filehdr_in (abfd, src, dst)
+     bfd            *abfd;
+     PTR            src;
+     PTR            dst;
 {
   FILHDR *filehdr_src = (FILHDR *) src;
   struct internal_filehdr *filehdr_dst = (struct internal_filehdr *) dst;
+#ifdef COFF_ADJUST_FILEHDR_IN_PRE
+  COFF_ADJUST_FILEHDR_IN_PRE (abfd, src, dst);
+#endif
   filehdr_dst->f_magic = bfd_h_get_16(abfd, (bfd_byte *) filehdr_src->f_magic);
   filehdr_dst->f_nscns = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_nscns);
   filehdr_dst->f_timdat = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_timdat);
-  filehdr_dst->f_symptr = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_symptr);
+  filehdr_dst->f_symptr =
+    GET_FILEHDR_SYMPTR (abfd, (bfd_byte *) filehdr_src->f_symptr);
   filehdr_dst->f_nsyms = bfd_h_get_32(abfd, (bfd_byte *)filehdr_src-> f_nsyms);
   filehdr_dst->f_opthdr = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_opthdr);
   filehdr_dst->f_flags = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_flags);
+/* start-sanitize-tic80 */
+#ifdef TIC80_TARGET_ID
+  filehdr_dst->f_target_id = bfd_h_get_16(abfd, (bfd_byte *)filehdr_src-> f_target_id);
+#endif
+/* end-sanitize-tic80 */
+
+#ifdef COFF_ADJUST_FILEHDR_IN_POST
+  COFF_ADJUST_FILEHDR_IN_POST (abfd, src, dst);
+#endif
 }
 
 static  unsigned int
-DEFUN(coff_swap_filehdr_out,(abfd, in, out),
-      bfd       *abfd AND
-      PTR      in AND
-      PTR      out)
+coff_swap_filehdr_out (abfd, in, out)
+     bfd       *abfd;
+     PTR       in;
+     PTR       out;
 {
   struct internal_filehdr *filehdr_in = (struct internal_filehdr *)in;
   FILHDR *filehdr_out = (FILHDR *)out;
+
+#ifdef COFF_ADJUST_FILEHDR_OUT_PRE
+  COFF_ADJUST_FILEHDR_OUT_PRE (abfd, in, out);
+#endif
   bfd_h_put_16(abfd, filehdr_in->f_magic, (bfd_byte *) filehdr_out->f_magic);
   bfd_h_put_16(abfd, filehdr_in->f_nscns, (bfd_byte *) filehdr_out->f_nscns);
   bfd_h_put_32(abfd, filehdr_in->f_timdat, (bfd_byte *) filehdr_out->f_timdat);
-  bfd_h_put_32(abfd, filehdr_in->f_symptr, (bfd_byte *) filehdr_out->f_symptr);
+  PUT_FILEHDR_SYMPTR (abfd, (bfd_vma) filehdr_in->f_symptr,
+                     (bfd_byte *) filehdr_out->f_symptr);
   bfd_h_put_32(abfd, filehdr_in->f_nsyms, (bfd_byte *) filehdr_out->f_nsyms);
   bfd_h_put_16(abfd, filehdr_in->f_opthdr, (bfd_byte *) filehdr_out->f_opthdr);
   bfd_h_put_16(abfd, filehdr_in->f_flags, (bfd_byte *) filehdr_out->f_flags);
-  return sizeof(FILHDR);
+/* start-sanitize-tic80 */
+#ifdef TIC80_TARGET_ID
+  bfd_h_put_16(abfd, filehdr_in->f_target_id, (bfd_byte *) filehdr_out->f_target_id);
+#endif
+/* end-sanitize-tic80 */
+
+#ifdef COFF_ADJUST_FILEHDR_OUT_POST
+  COFF_ADJUST_FILEHDR_OUT_POST (abfd, in, out);
+#endif
+  return FILHSZ;
 }
 
 
 #ifndef NO_COFF_SYMBOLS
 
 static void
-DEFUN(coff_swap_sym_in,(abfd, ext1, in1),
-      bfd            *abfd AND
-      PTR ext1 AND
-      PTR in1)
+coff_swap_sym_in (abfd, ext1, in1)
+     bfd            *abfd;
+     PTR ext1;
+     PTR in1;
 {
   SYMENT *ext = (SYMENT *)ext1;
   struct internal_syment      *in = (struct internal_syment *)in1;
@@ -187,7 +335,7 @@ DEFUN(coff_swap_sym_in,(abfd, ext1, in1),
     memcpy(in->_n._n_name, ext->e.e_name, SYMNMLEN);
 #endif
   }
-  in->n_value = bfd_h_get_32(abfd, (bfd_byte *) ext->e_value);
+  in->n_value = bfd_h_get_32(abfd, (bfd_byte *) ext->e_value); 
   in->n_scnum = bfd_h_get_16(abfd, (bfd_byte *) ext->e_scnum);
   if (sizeof(ext->e_type) == 2){
     in->n_type = bfd_h_get_16(abfd, (bfd_byte *) ext->e_type);
@@ -200,10 +348,10 @@ DEFUN(coff_swap_sym_in,(abfd, ext1, in1),
 }
 
 static unsigned int
-DEFUN(coff_swap_sym_out,(abfd, inp, extp),
-      bfd       *abfd AND
-      PTR      inp AND
-      PTR      extp)
+coff_swap_sym_out (abfd, inp, extp)
+     bfd       *abfd;
+     PTR       inp;
+     PTR       extp;
 {
   struct internal_syment *in = (struct internal_syment *)inp;
   SYMENT *ext =(SYMENT *)extp;
@@ -230,20 +378,25 @@ DEFUN(coff_swap_sym_out,(abfd, inp, extp),
       }
   bfd_h_put_8(abfd,  in->n_sclass , ext->e_sclass);
   bfd_h_put_8(abfd,  in->n_numaux , ext->e_numaux);
-  return sizeof(SYMENT);
+  return SYMESZ;
 }
 
 static void
-DEFUN(coff_swap_aux_in,(abfd, ext1, type, class, in1),
-      bfd            *abfd AND
-      PTR            ext1 AND
-      int             type AND
-      int             class AND
-      PTR            in1)
+coff_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
+     bfd            *abfd;
+     PTR             ext1;
+     int             type;
+     int             class;
+     int             indx;
+     int             numaux;
+     PTR             in1;
 {
   AUXENT    *ext = (AUXENT *)ext1;
   union internal_auxent *in = (union internal_auxent *)in1;
 
+#ifdef COFF_ADJUST_AUX_IN_PRE
+  COFF_ADJUST_AUX_IN_PRE (abfd, ext1, type, class, indx, numaux, in1);
+#endif
   switch (class) {
     case C_FILE:
       if (ext->x_file.x_fname[0] == 0) {
@@ -257,21 +410,27 @@ DEFUN(coff_swap_aux_in,(abfd, ext1, type, class, in1),
            memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
 #endif
          }
-      break;
+      goto end;
 
       /* RS/6000 "csect" auxents */
 #ifdef RS6000COFF_C
     case C_EXT:
     case C_HIDEXT:
-      in->x_csect.x_scnlen   = bfd_h_get_32 (abfd, (bfd_byte *) ext->x_csect.x_scnlen);
-      in->x_csect.x_parmhash = bfd_h_get_32 (abfd, (bfd_byte *) ext->x_csect.x_parmhash);
-      in->x_csect.x_snhash   = bfd_h_get_16 (abfd, (bfd_byte *) ext->x_csect.x_snhash);
-      /* We don't have to hack bitfields in x_smtyp because it's defined by
-        shifts-and-ands, which are equivalent on all byte orders.  */
-      in->x_csect.x_smtyp    = bfd_h_get_8  (abfd, (bfd_byte *) ext->x_csect.x_smtyp);
-      in->x_csect.x_smclas   = bfd_h_get_8  (abfd, (bfd_byte *) ext->x_csect.x_smclas);
-      in->x_csect.x_stab     = bfd_h_get_32 (abfd, (bfd_byte *) ext->x_csect.x_stab);
-      in->x_csect.x_snstab   = bfd_h_get_16 (abfd, (bfd_byte *) ext->x_csect.x_snstab);
+      if (indx + 1 == numaux)
+       {
+         in->x_csect.x_scnlen.l = bfd_h_get_32 (abfd, ext->x_csect.x_scnlen);
+         in->x_csect.x_parmhash = bfd_h_get_32 (abfd,
+                                                ext->x_csect.x_parmhash);
+         in->x_csect.x_snhash   = bfd_h_get_16 (abfd, ext->x_csect.x_snhash);
+         /* We don't have to hack bitfields in x_smtyp because it's
+            defined by shifts-and-ands, which are equivalent on all
+            byte orders.  */
+         in->x_csect.x_smtyp    = bfd_h_get_8  (abfd, ext->x_csect.x_smtyp);
+         in->x_csect.x_smclas   = bfd_h_get_8  (abfd, ext->x_csect.x_smclas);
+         in->x_csect.x_stab     = bfd_h_get_32 (abfd, ext->x_csect.x_stab);
+         in->x_csect.x_snstab   = bfd_h_get_16 (abfd, ext->x_csect.x_snstab);
+         goto end;
+       }
       break;
 #endif
 
@@ -284,50 +443,73 @@ DEFUN(coff_swap_aux_in,(abfd, ext1, type, class, in1),
          in->x_scn.x_scnlen = GET_SCN_SCNLEN(abfd, ext);
          in->x_scn.x_nreloc = GET_SCN_NRELOC(abfd, ext);
          in->x_scn.x_nlinno = GET_SCN_NLINNO(abfd, ext);
-         break;
+
+         /* PE defines some extra fields; we zero them out for
+             safety.  */
+         in->x_scn.x_checksum = 0;
+         in->x_scn.x_associated = 0;
+         in->x_scn.x_comdat = 0;
+
+         goto end;
        }
-    default:
-      in->x_sym.x_tagndx.l = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_tagndx);
+      break;
+    }
+
+  in->x_sym.x_tagndx.l = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_tagndx);
 #ifndef NO_TVNDX
-      in->x_sym.x_tvndx = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_tvndx);
+  in->x_sym.x_tvndx = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_tvndx);
 #endif
 
-      if (ISARY(type)) {
+  if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
+    {
+      in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR (abfd, ext);
+      in->x_sym.x_fcnary.x_fcn.x_endndx.l = GET_FCN_ENDNDX (abfd, ext);
+    }
+  else
+    {
 #if DIMNUM != E_DIMNUM
-         -> Error, we need to cope with truncating or extending DIMNUM!;
-#else
-         in->x_sym.x_fcnary.x_ary.x_dimen[0] = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
-         in->x_sym.x_fcnary.x_ary.x_dimen[1] = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
-         in->x_sym.x_fcnary.x_ary.x_dimen[2] = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
-         in->x_sym.x_fcnary.x_ary.x_dimen[3] = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
-#endif
-       }
-      if (class == C_BLOCK || ISFCN(type) || ISTAG(class)) {
-       in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR(abfd, ext);
-       in->x_sym.x_fcnary.x_fcn.x_endndx.l = GET_FCN_ENDNDX(abfd, ext);
-      }
-
-      if (ISFCN(type)) {
-         in->x_sym.x_misc.x_fsize = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_fsize);
-       }
-      else {
-         in->x_sym.x_misc.x_lnsz.x_lnno = GET_LNSZ_LNNO(abfd, ext);
-         in->x_sym.x_misc.x_lnsz.x_size = GET_LNSZ_SIZE(abfd, ext);
-       }
+ #error we need to cope with truncating or extending DIMNUM
+#endif
+      in->x_sym.x_fcnary.x_ary.x_dimen[0] =
+       bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
+      in->x_sym.x_fcnary.x_ary.x_dimen[1] =
+       bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
+      in->x_sym.x_fcnary.x_ary.x_dimen[2] =
+       bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
+      in->x_sym.x_fcnary.x_ary.x_dimen[3] =
+       bfd_h_get_16 (abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
     }
+
+  if (ISFCN(type)) {
+    in->x_sym.x_misc.x_fsize = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_misc.x_fsize);
+  }
+  else {
+    in->x_sym.x_misc.x_lnsz.x_lnno = GET_LNSZ_LNNO(abfd, ext);
+    in->x_sym.x_misc.x_lnsz.x_size = GET_LNSZ_SIZE(abfd, ext);
+  }
+
+end:
+#ifdef COFF_ADJUST_AUX_IN_POST
+  COFF_ADJUST_AUX_IN_POST (abfd, ext1, type, class, indx, numaux, in1);
+#endif
 }
 
 static unsigned int
-DEFUN(coff_swap_aux_out,(abfd, inp, type, class, extp),
-  bfd   *abfd AND
-  PTR  inp AND
-  int   type AND
-  int   class AND
-  PTR  extp)
+coff_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
+     bfd   *abfd;
+     PTR       inp;
+     int   type;
+     int   class;
+     int   indx;
+     int   numaux;
+     PTR       extp;
 {
   union internal_auxent *in = (union internal_auxent *)inp;
   AUXENT *ext = (AUXENT *)extp;
 
+#ifdef COFF_ADJUST_AUX_OUT_PRE
+  COFF_ADJUST_AUX_OUT_PRE (abfd, inp, type, class, indx, numaux, extp);
+#endif
   memset((PTR)ext, 0, AUXESZ);
   switch (class) {
   case C_FILE:
@@ -344,21 +526,26 @@ DEFUN(coff_swap_aux_out,(abfd, inp, type, class, extp),
       memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
 #endif
     }
-    break;
+    goto end;
 
 #ifdef RS6000COFF_C
   /* RS/6000 "csect" auxents */
   case C_EXT:
   case C_HIDEXT:
-    PUTWORD (abfd, in->x_csect.x_scnlen,       ext->x_csect.x_scnlen);
-    PUTWORD (abfd, in->x_csect.x_parmhash,     ext->x_csect.x_parmhash);
-    PUTHALF (abfd, in->x_csect.x_snhash,       ext->x_csect.x_snhash);
-    /* We don't have to hack bitfields in x_smtyp because it's defined by
-       shifts-and-ands, which are equivalent on all byte orders.  */
-    PUTBYTE (abfd, in->x_csect.x_smtyp,                ext->x_csect.x_smtyp);
-    PUTBYTE (abfd, in->x_csect.x_smclas,       ext->x_csect.x_smclas);
-    PUTWORD (abfd, in->x_csect.x_stab,         ext->x_csect.x_stab);
-    PUTHALF (abfd, in->x_csect.x_snstab,       ext->x_csect.x_snstab);
+    if (indx + 1 == numaux)
+      {
+       PUTWORD (abfd, in->x_csect.x_scnlen.l,  ext->x_csect.x_scnlen);
+       PUTWORD (abfd, in->x_csect.x_parmhash,  ext->x_csect.x_parmhash);
+       PUTHALF (abfd, in->x_csect.x_snhash,    ext->x_csect.x_snhash);
+       /* We don't have to hack bitfields in x_smtyp because it's
+          defined by shifts-and-ands, which are equivalent on all
+          byte orders.  */
+       PUTBYTE (abfd, in->x_csect.x_smtyp,     ext->x_csect.x_smtyp);
+       PUTBYTE (abfd, in->x_csect.x_smclas,    ext->x_csect.x_smclas);
+       PUTWORD (abfd, in->x_csect.x_stab,      ext->x_csect.x_stab);
+       PUTHALF (abfd, in->x_csect.x_snstab,    ext->x_csect.x_snstab);
+       goto end;
+      }
     break;
 #endif
 
@@ -371,38 +558,50 @@ DEFUN(coff_swap_aux_out,(abfd, inp, type, class, extp),
       PUT_SCN_SCNLEN(abfd, in->x_scn.x_scnlen, ext);
       PUT_SCN_NRELOC(abfd, in->x_scn.x_nreloc, ext);
       PUT_SCN_NLINNO(abfd, in->x_scn.x_nlinno, ext);
-      break;
+      goto end;
     }
-  default:
-    PUTWORD(abfd, in->x_sym.x_tagndx.l, (bfd_byte *) ext->x_sym.x_tagndx);
+    break;
+  }
+
+  PUTWORD(abfd, in->x_sym.x_tagndx.l, (bfd_byte *) ext->x_sym.x_tagndx);
 #ifndef NO_TVNDX
-    bfd_h_put_16(abfd, in->x_sym.x_tvndx , (bfd_byte *) ext->x_sym.x_tvndx);
+  bfd_h_put_16(abfd, in->x_sym.x_tvndx , (bfd_byte *) ext->x_sym.x_tvndx);
 #endif
 
-    if (class == C_BLOCK || ISFCN(type) || ISTAG(class)) {
+  if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
+    {
       PUT_FCN_LNNOPTR(abfd,  in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext);
       PUT_FCN_ENDNDX(abfd,  in->x_sym.x_fcnary.x_fcn.x_endndx.l, ext);
     }
+  else
+    {
+#if DIMNUM != E_DIMNUM
+ #error we need to cope with truncating or extending DIMNUM
+#endif
+      bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],
+                   (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
+      bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],
+                   (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
+      bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],
+                   (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
+      bfd_h_put_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],
+                   (bfd_byte *) ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
+    }
 
-    if (ISFCN(type)) {
-      PUTWORD(abfd, in->x_sym.x_misc.x_fsize, (bfd_byte *)  ext->x_sym.x_misc.x_fsize);
+  if (ISFCN (type))
+    PUTWORD (abfd, in->x_sym.x_misc.x_fsize,
+            (bfd_byte *)  ext->x_sym.x_misc.x_fsize);
+  else
+    {
+      PUT_LNSZ_LNNO (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
+      PUT_LNSZ_SIZE (abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
     }
-    else {
-      if (ISARY(type)) {
-#if DIMNUM != E_DIMNUM
-       -> Error, we need to cope with truncating or extending DIMNUM!;
-#else
-       bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0], (bfd_byte *)ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
-       bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1], (bfd_byte *)ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
-       bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2], (bfd_byte *)ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
-       bfd_h_put_16(abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3], (bfd_byte *)ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
+
+end:
+#ifdef COFF_ADJUST_AUX_OUT_POST
+  COFF_ADJUST_AUX_OUT_POST (abfd, inp, type, class, indx, numaux, extp);
 #endif
-      }
-      PUT_LNSZ_LNNO(abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext);
-      PUT_LNSZ_SIZE(abfd, in->x_sym.x_misc.x_lnsz.x_size, ext);
-    }
-  }
-return sizeof(AUXENT);
+  return AUXESZ;
 }
 
 #endif /* NO_COFF_SYMBOLS */
@@ -410,10 +609,10 @@ return sizeof(AUXENT);
 #ifndef NO_COFF_LINENOS
 
 static void
-DEFUN(coff_swap_lineno_in,(abfd, ext1, in1),
-      bfd            *abfd AND
-      PTR ext1 AND
-      PTR in1)
+coff_swap_lineno_in (abfd, ext1, in1)
+     bfd            *abfd;
+     PTR ext1;
+     PTR in1;
 {
   LINENO *ext = (LINENO *)ext1;
   struct internal_lineno      *in = (struct internal_lineno *)in1;
@@ -423,10 +622,10 @@ DEFUN(coff_swap_lineno_in,(abfd, ext1, in1),
 }
 
 static unsigned int
-DEFUN(coff_swap_lineno_out,(abfd, inp, outp),
-      bfd       *abfd AND
-      PTR      inp AND
-      PTR      outp)
+coff_swap_lineno_out (abfd, inp, outp)
+     bfd       *abfd;
+     PTR       inp;
+     PTR       outp;
 {
   struct internal_lineno *in = (struct internal_lineno *)inp;
   struct external_lineno *ext = (struct external_lineno *)outp;
@@ -434,33 +633,47 @@ DEFUN(coff_swap_lineno_out,(abfd, inp, outp),
          ext->l_addr.l_symndx);
 
   PUT_LINENO_LNNO (abfd, in->l_lnno, ext);
-  return sizeof(struct external_lineno);
+  return LINESZ;
 }
 
 #endif /* NO_COFF_LINENOS */
 
-
 static void
-DEFUN(coff_swap_aouthdr_in,(abfd, aouthdr_ext1, aouthdr_int1),
-      bfd            *abfd AND
-      PTR aouthdr_ext1 AND
-      PTR aouthdr_int1)
+coff_swap_aouthdr_in (abfd, aouthdr_ext1, aouthdr_int1)
+     bfd            *abfd;
+     PTR aouthdr_ext1;
+     PTR aouthdr_int1;
 {
   AOUTHDR        *aouthdr_ext = (AOUTHDR *) aouthdr_ext1;
   struct internal_aouthdr *aouthdr_int = (struct internal_aouthdr *)aouthdr_int1;
 
   aouthdr_int->magic = bfd_h_get_16(abfd, (bfd_byte *) aouthdr_ext->magic);
   aouthdr_int->vstamp = bfd_h_get_16(abfd, (bfd_byte *) aouthdr_ext->vstamp);
-  aouthdr_int->tsize = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->tsize);
-  aouthdr_int->dsize = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->dsize);
-  aouthdr_int->bsize = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->bsize);
-  aouthdr_int->entry = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->entry);
-  aouthdr_int->text_start = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->text_start);
-  aouthdr_int->data_start = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->data_start);
+  aouthdr_int->tsize =
+    GET_AOUTHDR_TSIZE (abfd, (bfd_byte *) aouthdr_ext->tsize);
+  aouthdr_int->dsize =
+    GET_AOUTHDR_DSIZE (abfd, (bfd_byte *) aouthdr_ext->dsize);
+  aouthdr_int->bsize =
+    GET_AOUTHDR_BSIZE (abfd, (bfd_byte *) aouthdr_ext->bsize);
+  aouthdr_int->entry =
+    GET_AOUTHDR_ENTRY (abfd, (bfd_byte *) aouthdr_ext->entry);
+  aouthdr_int->text_start =
+    GET_AOUTHDR_TEXT_START (abfd, (bfd_byte *) aouthdr_ext->text_start);
+  aouthdr_int->data_start =
+    GET_AOUTHDR_DATA_START (abfd, (bfd_byte *) aouthdr_ext->data_start);
+
 #ifdef I960
   aouthdr_int->tagentries = bfd_h_get_32(abfd, (bfd_byte *) aouthdr_ext->tagentries);
 #endif
 
+#ifdef APOLLO_M68
+  bfd_h_put_32(abfd, aouthdr_int->o_inlib, (bfd_byte *) aouthdr_ext->o_inlib);
+  bfd_h_put_32(abfd, aouthdr_int->o_sri, (bfd_byte *) aouthdr_ext->o_sri);
+  bfd_h_put_32(abfd, aouthdr_int->vid[0], (bfd_byte *) aouthdr_ext->vid);
+  bfd_h_put_32(abfd, aouthdr_int->vid[1], (bfd_byte *) aouthdr_ext->vid + 4);
+#endif
+
+
 #ifdef RS6000COFF_C
   aouthdr_int->o_toc = bfd_h_get_32(abfd, aouthdr_ext->o_toc);
   aouthdr_int->o_snentry = bfd_h_get_16(abfd, aouthdr_ext->o_snentry);
@@ -472,49 +685,119 @@ DEFUN(coff_swap_aouthdr_in,(abfd, aouthdr_ext1, aouthdr_int1),
   aouthdr_int->o_algntext = bfd_h_get_16(abfd, aouthdr_ext->o_algntext);
   aouthdr_int->o_algndata = bfd_h_get_16(abfd, aouthdr_ext->o_algndata);
   aouthdr_int->o_modtype = bfd_h_get_16(abfd, aouthdr_ext->o_modtype);
+  aouthdr_int->o_cputype = bfd_h_get_16(abfd, aouthdr_ext->o_cputype);
   aouthdr_int->o_maxstack = bfd_h_get_32(abfd, aouthdr_ext->o_maxstack);
+  aouthdr_int->o_maxdata = bfd_h_get_32(abfd, aouthdr_ext->o_maxdata);
+#endif
+
+#ifdef MIPSECOFF
+  aouthdr_int->bss_start = bfd_h_get_32(abfd, aouthdr_ext->bss_start);
+  aouthdr_int->gp_value = bfd_h_get_32(abfd, aouthdr_ext->gp_value);
+  aouthdr_int->gprmask = bfd_h_get_32(abfd, aouthdr_ext->gprmask);
+  aouthdr_int->cprmask[0] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[0]);
+  aouthdr_int->cprmask[1] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[1]);
+  aouthdr_int->cprmask[2] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[2]);
+  aouthdr_int->cprmask[3] = bfd_h_get_32(abfd, aouthdr_ext->cprmask[3]);
+#endif
+
+#ifdef ALPHAECOFF
+  aouthdr_int->bss_start = bfd_h_get_64(abfd, aouthdr_ext->bss_start);
+  aouthdr_int->gp_value = bfd_h_get_64(abfd, aouthdr_ext->gp_value);
+  aouthdr_int->gprmask = bfd_h_get_32(abfd, aouthdr_ext->gprmask);
+  aouthdr_int->fprmask = bfd_h_get_32(abfd, aouthdr_ext->fprmask);
 #endif
 }
 
 static unsigned int
-DEFUN(coff_swap_aouthdr_out,(abfd, in, out),
-      bfd       *abfd AND
-      PTR      in AND
-      PTR      out)
+coff_swap_aouthdr_out (abfd, in, out)
+     bfd       *abfd;
+     PTR       in;
+     PTR       out;
 {
   struct internal_aouthdr *aouthdr_in = (struct internal_aouthdr *)in;
   AOUTHDR *aouthdr_out = (AOUTHDR *)out;
+
   bfd_h_put_16(abfd, aouthdr_in->magic, (bfd_byte *) aouthdr_out->magic);
   bfd_h_put_16(abfd, aouthdr_in->vstamp, (bfd_byte *) aouthdr_out->vstamp);
-  bfd_h_put_32(abfd, aouthdr_in->tsize, (bfd_byte *) aouthdr_out->tsize);
-  bfd_h_put_32(abfd, aouthdr_in->dsize, (bfd_byte *) aouthdr_out->dsize);
-  bfd_h_put_32(abfd, aouthdr_in->bsize, (bfd_byte *) aouthdr_out->bsize);
-  bfd_h_put_32(abfd, aouthdr_in->entry, (bfd_byte *) aouthdr_out->entry);
-  bfd_h_put_32(abfd, aouthdr_in->text_start,
-              (bfd_byte *) aouthdr_out->text_start);
-  bfd_h_put_32(abfd, aouthdr_in->data_start, (bfd_byte *) aouthdr_out->data_start);
+  PUT_AOUTHDR_TSIZE (abfd, aouthdr_in->tsize, (bfd_byte *) aouthdr_out->tsize);
+  PUT_AOUTHDR_DSIZE (abfd, aouthdr_in->dsize, (bfd_byte *) aouthdr_out->dsize);
+  PUT_AOUTHDR_BSIZE (abfd, aouthdr_in->bsize, (bfd_byte *) aouthdr_out->bsize);
+  PUT_AOUTHDR_ENTRY (abfd, aouthdr_in->entry, (bfd_byte *) aouthdr_out->entry);
+  PUT_AOUTHDR_TEXT_START (abfd, aouthdr_in->text_start,
+                         (bfd_byte *) aouthdr_out->text_start);
+  PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
+                         (bfd_byte *) aouthdr_out->data_start);
+
 #ifdef I960
   bfd_h_put_32(abfd, aouthdr_in->tagentries, (bfd_byte *) aouthdr_out->tagentries);
 #endif
-  return sizeof(AOUTHDR);
+
+#ifdef RS6000COFF_C
+  bfd_h_put_32 (abfd, aouthdr_in->o_toc, aouthdr_out->o_toc);
+  bfd_h_put_16 (abfd, aouthdr_in->o_snentry, aouthdr_out->o_snentry);
+  bfd_h_put_16 (abfd, aouthdr_in->o_sntext, aouthdr_out->o_sntext);
+  bfd_h_put_16 (abfd, aouthdr_in->o_sndata, aouthdr_out->o_sndata);
+  bfd_h_put_16 (abfd, aouthdr_in->o_sntoc, aouthdr_out->o_sntoc);
+  bfd_h_put_16 (abfd, aouthdr_in->o_snloader, aouthdr_out->o_snloader);
+  bfd_h_put_16 (abfd, aouthdr_in->o_snbss, aouthdr_out->o_snbss);
+  bfd_h_put_16 (abfd, aouthdr_in->o_algntext, aouthdr_out->o_algntext);
+  bfd_h_put_16 (abfd, aouthdr_in->o_algndata, aouthdr_out->o_algndata);
+  bfd_h_put_16 (abfd, aouthdr_in->o_modtype, aouthdr_out->o_modtype);
+  bfd_h_put_16 (abfd, aouthdr_in->o_cputype, aouthdr_out->o_cputype);
+  bfd_h_put_32 (abfd, aouthdr_in->o_maxstack, aouthdr_out->o_maxstack);
+  bfd_h_put_32 (abfd, aouthdr_in->o_maxdata, aouthdr_out->o_maxdata);
+  memset (aouthdr_out->o_resv2, 0, sizeof aouthdr_out->o_resv2);
+#endif
+
+#ifdef MIPSECOFF
+  bfd_h_put_32(abfd, aouthdr_in->bss_start, (bfd_byte *) aouthdr_out->bss_start);
+  bfd_h_put_32(abfd, aouthdr_in->gp_value, (bfd_byte *) aouthdr_out->gp_value);
+  bfd_h_put_32(abfd, aouthdr_in->gprmask, (bfd_byte *) aouthdr_out->gprmask);
+  bfd_h_put_32(abfd, aouthdr_in->cprmask[0], (bfd_byte *) aouthdr_out->cprmask[0]);
+  bfd_h_put_32(abfd, aouthdr_in->cprmask[1], (bfd_byte *) aouthdr_out->cprmask[1]);
+  bfd_h_put_32(abfd, aouthdr_in->cprmask[2], (bfd_byte *) aouthdr_out->cprmask[2]);
+  bfd_h_put_32(abfd, aouthdr_in->cprmask[3], (bfd_byte *) aouthdr_out->cprmask[3]);
+#endif
+
+#ifdef ALPHAECOFF
+  /* FIXME: What does bldrev mean?  */
+  bfd_h_put_16(abfd, (bfd_vma) 2, (bfd_byte *) aouthdr_out->bldrev);
+  bfd_h_put_16(abfd, (bfd_vma) 0, (bfd_byte *) aouthdr_out->padding);
+  bfd_h_put_64(abfd, aouthdr_in->bss_start, (bfd_byte *) aouthdr_out->bss_start);
+  bfd_h_put_64(abfd, aouthdr_in->gp_value, (bfd_byte *) aouthdr_out->gp_value);
+  bfd_h_put_32(abfd, aouthdr_in->gprmask, (bfd_byte *) aouthdr_out->gprmask);
+  bfd_h_put_32(abfd, aouthdr_in->fprmask, (bfd_byte *) aouthdr_out->fprmask);
+#endif
+
+  return AOUTSZ;
 }
 
 static void
-DEFUN(coff_swap_scnhdr_in,(abfd, ext, in),
-      bfd            *abfd AND
-      PTR           ext AND
-      PTR           in)
+coff_swap_scnhdr_in (abfd, ext, in)
+     bfd            *abfd;
+     PTR            ext;
+     PTR            in;
 {
   SCNHDR *scnhdr_ext = (SCNHDR *) ext;
   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *) in;
-  memcpy(scnhdr_int->s_name, scnhdr_ext->s_name, sizeof(scnhdr_int->s_name));
-  scnhdr_int->s_vaddr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_vaddr);
-  scnhdr_int->s_paddr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_paddr);
-  scnhdr_int->s_size = bfd_h_get_32(abfd, (bfd_byte *)  scnhdr_ext->s_size);
 
-  scnhdr_int->s_scnptr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_scnptr);
-  scnhdr_int->s_relptr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_relptr);
-  scnhdr_int->s_lnnoptr = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_lnnoptr);
+#ifdef COFF_ADJUST_SCNHDR_IN_PRE
+  COFF_ADJUST_SCNHDR_IN_PRE (abfd, ext, in);
+#endif
+  memcpy(scnhdr_int->s_name, scnhdr_ext->s_name, sizeof(scnhdr_int->s_name));
+  scnhdr_int->s_vaddr =
+    GET_SCNHDR_VADDR (abfd, (bfd_byte *) scnhdr_ext->s_vaddr);
+  scnhdr_int->s_paddr =
+    GET_SCNHDR_PADDR (abfd, (bfd_byte *) scnhdr_ext->s_paddr);
+  scnhdr_int->s_size =
+    GET_SCNHDR_SIZE (abfd, (bfd_byte *) scnhdr_ext->s_size);
+
+  scnhdr_int->s_scnptr =
+    GET_SCNHDR_SCNPTR (abfd, (bfd_byte *) scnhdr_ext->s_scnptr);
+  scnhdr_int->s_relptr =
+    GET_SCNHDR_RELPTR (abfd, (bfd_byte *) scnhdr_ext->s_relptr);
+  scnhdr_int->s_lnnoptr =
+    GET_SCNHDR_LNNOPTR (abfd, (bfd_byte *) scnhdr_ext->s_lnnoptr);
   scnhdr_int->s_flags = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_flags);
 #if defined(M88)
   scnhdr_int->s_nreloc = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_nreloc);
@@ -526,34 +809,82 @@ DEFUN(coff_swap_scnhdr_in,(abfd, ext, in),
 #ifdef I960
   scnhdr_int->s_align = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_align);
 #endif
+#ifdef COFF_ADJUST_SCNHDR_IN_POST
+  COFF_ADJUST_SCNHDR_IN_POST (abfd, ext, in);
+#endif
 }
 
 static unsigned int
-DEFUN(coff_swap_scnhdr_out,(abfd, in, out),
-      bfd       *abfd AND
-      PTR      in AND
-      PTR      out)
+coff_swap_scnhdr_out (abfd, in, out)
+     bfd       *abfd;
+     PTR       in;
+     PTR       out;
 {
   struct internal_scnhdr *scnhdr_int = (struct internal_scnhdr *)in;
   SCNHDR *scnhdr_ext = (SCNHDR *)out;
+  unsigned int ret = SCNHSZ;
+
+#ifdef COFF_ADJUST_SCNHDR_OUT_PRE
+  COFF_ADJUST_SCNHDR_OUT_PRE (abfd, in, out);
+#endif
   memcpy(scnhdr_ext->s_name, scnhdr_int->s_name, sizeof(scnhdr_int->s_name));
-  PUTWORD(abfd, scnhdr_int->s_vaddr, (bfd_byte *) scnhdr_ext->s_vaddr);
-  PUTWORD(abfd, scnhdr_int->s_paddr, (bfd_byte *) scnhdr_ext->s_paddr);
-  PUTWORD(abfd, scnhdr_int->s_size, (bfd_byte *) scnhdr_ext->s_size);
-  PUTWORD(abfd, scnhdr_int->s_scnptr, (bfd_byte *) scnhdr_ext->s_scnptr);
-  PUTWORD(abfd, scnhdr_int->s_relptr, (bfd_byte *) scnhdr_ext->s_relptr);
-  PUTWORD(abfd, scnhdr_int->s_lnnoptr, (bfd_byte *) scnhdr_ext->s_lnnoptr);
+
+  PUT_SCNHDR_VADDR (abfd, scnhdr_int->s_vaddr,
+                   (bfd_byte *) scnhdr_ext->s_vaddr);
+
+
+  PUT_SCNHDR_PADDR (abfd, scnhdr_int->s_paddr,
+                   (bfd_byte *) scnhdr_ext->s_paddr);
+  PUT_SCNHDR_SIZE (abfd, scnhdr_int->s_size,
+                  (bfd_byte *) scnhdr_ext->s_size);
+
+  PUT_SCNHDR_SCNPTR (abfd, scnhdr_int->s_scnptr,
+                    (bfd_byte *) scnhdr_ext->s_scnptr);
+  PUT_SCNHDR_RELPTR (abfd, scnhdr_int->s_relptr,
+                    (bfd_byte *) scnhdr_ext->s_relptr);
+  PUT_SCNHDR_LNNOPTR (abfd, scnhdr_int->s_lnnoptr,
+                     (bfd_byte *) scnhdr_ext->s_lnnoptr);
   PUTWORD(abfd, scnhdr_int->s_flags, (bfd_byte *) scnhdr_ext->s_flags);
 #if defined(M88)
   PUTWORD(abfd, scnhdr_int->s_nlnno, (bfd_byte *) scnhdr_ext->s_nlnno);
   PUTWORD(abfd, scnhdr_int->s_nreloc, (bfd_byte *) scnhdr_ext->s_nreloc);
 #else
-  PUTHALF(abfd, scnhdr_int->s_nlnno, (bfd_byte *) scnhdr_ext->s_nlnno);
-  PUTHALF(abfd, scnhdr_int->s_nreloc, (bfd_byte *) scnhdr_ext->s_nreloc);
+  if (scnhdr_int->s_nlnno <= 0xffff)
+    PUTHALF(abfd, scnhdr_int->s_nlnno, (bfd_byte *) scnhdr_ext->s_nlnno);
+  else
+    {
+      char buf[sizeof (scnhdr_int->s_name) + 1];
+
+      memcpy (buf, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
+      buf[sizeof (scnhdr_int->s_name)] = '\0';
+      (*_bfd_error_handler)
+       ("%s: warning: %s: line number overflow: 0x%lx > 0xffff",
+        bfd_get_filename (abfd),
+        buf, scnhdr_int->s_nlnno);
+      PUTHALF (abfd, 0xffff, (bfd_byte *) scnhdr_ext->s_nlnno);
+    }
+  if (scnhdr_int->s_nreloc <= 0xffff)
+    PUTHALF(abfd, scnhdr_int->s_nreloc, (bfd_byte *) scnhdr_ext->s_nreloc);
+  else
+    {
+      char buf[sizeof (scnhdr_int->s_name) + 1];
+
+      memcpy (buf, scnhdr_int->s_name, sizeof (scnhdr_int->s_name));
+      buf[sizeof (scnhdr_int->s_name)] = '\0';
+      (*_bfd_error_handler) ("%s: %s: reloc overflow: 0x%lx > 0xffff",
+                            bfd_get_filename (abfd),
+                            buf, scnhdr_int->s_nreloc);
+      bfd_set_error (bfd_error_file_truncated);
+      PUTHALF (abfd, 0xffff, (bfd_byte *) scnhdr_ext->s_nreloc);
+      ret = 0;
+    }
 #endif
 
 #if defined(I960)
   PUTWORD(abfd, scnhdr_int->s_align, (bfd_byte *) scnhdr_ext->s_align);
 #endif
-  return sizeof(SCNHDR);
+#ifdef COFF_ADJUST_SCNHDR_OUT_POST
+  COFF_ADJUST_SCNHDR_OUT_POST (abfd, in, out);
+#endif
+  return ret;
 }