* i386dynix.c, config/i386-dynix.mt: New files, handling Dynix

	variant of a.out.
	* configure.in, config.bfd:  Use them for Dynix.
	* Makefile.in:  Add dependencies for i386dynix.o.
	* targets.c:  Add definition for i386dynix_vec.

1 files changed, 76 insertions, 0 deletions

diff --git a/bfd/i386dynix.c b/bfd/i386dynix.c
new file mode 100644
index 0000000..a27c517
--- /dev/null
+++ b/bfd/i386dynix.c
@@ -0,0 +1,76 @@
+/* BFD back-end for i386 a.out binaries under dynix.
+   Copyright (C) 1994 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.  */
+
+/* This BFD is currently only tested with gdb, writing object files
+   may not work.  */
+
+#define BYTES_IN_WORD	4
+#define ARCH	32
+
+#define TEXT_START_ADDR 4096
+#define PAGE_SIZE	4096
+#define SEGMENT_SIZE	PAGE_SIZE
+
+#include "aout/dynix3.h"
+
+#define DEFAULT_ARCH	bfd_arch_i386
+#define MACHTYPE_OK(mtype) ((mtype) == M_386 || (mtype) == M_UNKNOWN)
+
+#define MY(OP) CAT(i386dynix_,OP)
+#define TARGETNAME "a.out-i386-dynix"
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "libaout.h"
+
+/* (Ab)use some fields in the internal exec header to be able to read
+   executables that contain shared data.  */
+
+#define a_shdata a_tload
+#define a_shdrsize a_dload
+#define aout_32_swap_exec_header_in dynix_swap_exec_header_in
+
+void
+dynix_swap_exec_header_in (abfd, raw_bytes, execp)
+     bfd *abfd;
+     struct external_exec *raw_bytes;
+     struct internal_exec *execp;
+{
+  struct external_exec *bytes = (struct external_exec *)raw_bytes;
+
+  /* The internal_exec structure has some fields that are unused in this
+     configuration (IE for i960), so ensure that all such uninitialized
+     fields are zero'd out.  There are places where two of these structs
+     are memcmp'd, and thus the contents do matter. */
+  memset ((PTR) execp, 0, sizeof (struct internal_exec));
+  /* Now fill in fields in the execp, from the bytes in the raw data.  */
+  execp->a_info   = bfd_h_get_32 (abfd, bytes->e_info);
+  execp->a_text   = GET_WORD (abfd, bytes->e_text);
+  execp->a_data   = GET_WORD (abfd, bytes->e_data);
+  execp->a_bss    = GET_WORD (abfd, bytes->e_bss);
+  execp->a_syms   = GET_WORD (abfd, bytes->e_syms);
+  execp->a_entry  = GET_WORD (abfd, bytes->e_entry);
+  execp->a_trsize = GET_WORD (abfd, bytes->e_trsize);
+  execp->a_drsize = GET_WORD (abfd, bytes->e_drsize);
+  execp->a_shdata = GET_WORD (abfd, bytes->e_shdata);
+  execp->a_shdrsize = GET_WORD (abfd, bytes->e_shdrsize);
+}
+
+#include "aout-target.h"