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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /bfd/i386aout.c
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19990502 sourceware importbinu_ss_19990502
Diffstat (limited to 'bfd/i386aout.c')
-rw-r--r--bfd/i386aout.c91
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diff --git a/bfd/i386aout.c b/bfd/i386aout.c
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+/* 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"