19990502 sourceware importbinu_ss_19990502

1 files changed, 91 insertions, 0 deletions

diff --git a/bfd/i386aout.c b/bfd/i386aout.c
new file mode 100644
index 00000000000..d0b2cffef23
--- /dev/null
+++ b/bfd/i386aout.c
@@ -0,0 +1,91 @@
+/* BFD back-end for i386 a.out binaries.
+   Copyright 1990, 91, 92, 94, 95, 96, 1997 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 N_HEADER_IN_TEXT(x) 0
+#define BYTES_IN_WORD 4
+
+#define N_TXTOFF(x) 0x20
+#define N_TXTADDR(x) (N_MAGIC(x)==ZMAGIC ? 0x1020 : 0)
+
+#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 TARGET_PAGE_SIZE 4096
+#define SEGMENT_SIZE 0x400000
+#define DEFAULT_ARCH bfd_arch_i386
+
+#define MY(OP) CAT(i386aout_,OP)
+#define TARGETNAME "a.out-i386"
+#define NO_WRITE_HEADER_KLUDGE 1
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "aout/aout64.h"
+#include "libaout.h"
+
+/* Set the machine type correctly.  */
+
+static boolean
+i386aout_write_object_contents (abfd)
+     bfd *abfd;
+{
+  struct external_exec exec_bytes;
+  struct internal_exec *execp = exec_hdr (abfd);
+
+  N_SET_MACHTYPE (*execp, M_386);
+
+  obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
+
+  WRITE_HEADERS (abfd, execp);
+
+  return true;
+}
+
+#define MY_write_object_contents i386aout_write_object_contents
+
+static boolean MY(set_sizes)();
+#define MY_backend_data &MY(backend_data)
+static CONST struct aout_backend_data MY(backend_data) = {
+  0,				/* zmagic contiguous */
+  1,				/* text incl header */
+  0,				/* entry is text address */
+  0,				/* exec_hdr_flags */
+  0,				/* text vma? */
+  MY(set_sizes),
+  1,				/* exec header not counted */
+  0,				/* add_dynamic_symbols */
+  0,				/* add_one_symbol */
+  0,				/* link_dynamic_object */
+  0,				/* write_dynamic_symbol */
+  0,				/* check_dynamic_reloc */
+  0				/* finish_dynamic_link */
+};
+
+#include "aout-target.h"