support for 386bsd a.out files

diff --git a/bfd/i386bsd.c b/bfd/i386bsd.c
new file mode 100644 (file)
index 0000000..3c86c8b
--- /dev/null
+++ b/bfd/i386bsd.c
@@ -0,0 +1,58 @@
+/* BFD back-end for i386 a.out binaries.
+   Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+
+This file is part of BFD, the Binary File Descriptor library.
+
+This program 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 2 of the License, or
+(at your option) any later version.
+
+This program 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 this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+
+/* The only 386 aout system we have here is GO32 from DJ. 
+   These numbers make BFD work with that. If your aout 386 system
+   doesn't work with these, we'll have to split them into different
+   files.  Send me (sac@cygnus.com) the runes to make it work on your
+   system, and I'll stick it in for the next release.
+
+ */
+#define TARGET_IS_LITTLE_ENDIAN_P
+#define N_HEADER_IN_TEXT(x) 0
+#define BYTES_IN_WORD 4
+#define ARCH 32
+
+#if 0
+#define N_TXTOFF(x) 0x20
+#define N_TXTADDR(x) (N_MAGIC(x)==ZMAGIC ? 0x1020 : 0)
+#else
+#define N_TXTOFF(x) (N_MAGIC(x)==ZMAGIC ? 0x1000 : 0x20)
+#define N_TXTADDR(x) 0
+#endif
+
+#define N_TXTSIZE(x) ((x).a_text)
+#if 0
+#define N_DATADDR(x) (N_MAGIC(x)==OMAGIC? (N_TXTADDR(x)+(x).a_text) : (SEGMENT_SIZE + ((0x1020+(x).a_text-1) & ~(SEGMENT_SIZE-1))))
+#define NOSUBEXECB
+
+#endif
+#define PAGE_SIZE 4096
+#define SEGMENT_SIZE PAGE_SIZE
+#define DEFAULT_ARCH bfd_arch_i386
+
+#define MY(OP) CAT(i386bsd_,OP)
+#define TARGETNAME "a.out-i386-bsd"
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "libaout.h"
+#include "aout-target.h"