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authorJohn Gilmore <gnu@cygnus>1991-05-02 04:11:17 +0000
committerJohn Gilmore <gnu@cygnus>1991-05-02 04:11:17 +0000
commitff37ea550b842cdb18aca531e5e705c03d4eed72 (patch)
tree386469bd027e2a23132216dd3feb42d370c5c2e7 /bfd/coffswap.c
parent639893384d5faeaa671f98dfc3ed169e9aa2ccc9 (diff)
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Initial revision
Diffstat (limited to 'bfd/coffswap.c')
-rwxr-xr-xbfd/coffswap.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/bfd/coffswap.c b/bfd/coffswap.c
new file mode 100755
index 0000000..eef2c96
--- /dev/null
+++ b/bfd/coffswap.c
@@ -0,0 +1,121 @@
+/* Byte-swapping routines for COFF files */
+
+/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+
+This file is part of BFD, the Binary File Diddler.
+
+BFD is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 1, or (at your option) any later version.
+
+BFD is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ details.
+
+You should have received a copy of the GNU General Public License along with
+ BFD; see the file COPYING. If not, write to the Free Software Foundation,
+ 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/* Most of this hacked by Steve Chamberlain, steve@cygnus.com */
+
+#include <ansidecl.h>
+#include "intel-coff.h"
+#include "bfd.h"
+#include "libcoff.h" /* to allow easier abstraction-breaking */
+
+#define sp(x) bfd_h_put_x(abfd, x, &x)
+
+/* All the swapping routines:
+
+ FIXME, these routines assume that the sizes, alignments, and offsets of
+ these fields are the same in the host and target. This is an invalid
+ assumption, which in particular breaks on the 386 and SPARC. Fix this
+ the same way that a.out.h and sunos.c were fixed: define char arrays
+ that represent the headers in the target systems' file, and have these
+ functions translate in from that format, and out to that format. */
+
+void
+DEFUN(bfd_coff_swap_name,(abfd, ptr),
+ bfd *abfd AND
+ long *ptr)
+{
+ if (ptr[0] == 0) {
+ /* There is an index which needs to be swapped */
+ bfd_h_put_x(abfd, ptr[1], (ptr + 1));
+ }
+ else {
+ /* This is a string .. leave it alone */
+ }
+}
+
+void
+DEFUN(bfd_coff_swap_sym,(abfd, se),
+ bfd *abfd AND
+ SYMENT *se)
+{
+ bfd_coff_swap_name(abfd, (long*)(se->n_name));
+ bfd_h_put_x(abfd, se->n_value, &se->n_value);
+ bfd_h_put_x(abfd, se->n_scnum, &se->n_scnum);
+ bfd_h_put_x(abfd, se->n_type, &se->n_type);
+ bfd_h_put_x(abfd, se->n_sclass, &se->n_sclass);
+ bfd_h_put_x(abfd, se->n_numaux, &se->n_numaux);
+}
+
+void
+DEFUN(bfd_coff_swap_aux,(abfd, au, type, class),
+ bfd *abfd AND
+ AUXENT *au AND
+ int type AND
+ int class)
+{
+ switch (class) {
+ case C_FILE:
+ bfd_coff_swap_name(abfd, (long *)(&au->x_file.x_n));
+ break;
+ case C_STAT:
+#ifdef C_LEAFSTAT
+ case C_LEAFSTAT:
+#endif
+ case C_HIDDEN:
+ if (type == T_NULL) {
+ sp(au->x_scn.x_scnlen);
+ sp(au->x_scn.x_nreloc);
+ sp(au->x_scn.x_nlinno);
+ break;
+ }
+ default:
+ sp(au->x_sym.x_tagndx);
+ sp(au->x_sym.x_tvndx);
+
+ if (ISARY(type) || class == C_BLOCK) {
+ sp(au->x_sym.x_fcnary.x_ary.x_dimen[0]);
+ sp(au->x_sym.x_fcnary.x_ary.x_dimen[1]);
+ sp(au->x_sym.x_fcnary.x_ary.x_dimen[2]);
+ sp(au->x_sym.x_fcnary.x_ary.x_dimen[3]);
+ }
+ else {
+ sp(au->x_sym.x_fcnary.x_fcn.x_lnnoptr);
+ sp(au->x_sym.x_fcnary.x_fcn.x_endndx);
+ }
+ if (ISFCN(type)) {
+ sp(au->x_sym.x_misc.x_fsize);
+ }
+ else {
+ sp(au->x_sym.x_misc.x_lnsz.x_lnno);
+ sp(au->x_sym.x_misc.x_lnsz.x_size);
+ }
+ }
+}
+
+void
+DEFUN(bfd_coff_swap_lineno,(abfd, lineno),
+ bfd *abfd AND
+ LINENO *lineno)
+{
+ sp(lineno->l_addr.l_symndx);
+ sp(lineno->l_lnno);
+}
+
+