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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
commitaa2289c2a3faf0f198e47943dcb29e0c16223be8 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /bfd/coff-apollo.c
downloadbinutils-redhat-aa2289c2a3faf0f198e47943dcb29e0c16223be8.tar.gz
Initial revision
Diffstat (limited to 'bfd/coff-apollo.c')
-rw-r--r--bfd/coff-apollo.c161
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diff --git a/bfd/coff-apollo.c b/bfd/coff-apollo.c
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+/* BFD back-end for Apollo 68000 COFF binaries.
+ Copyright 1990, 91, 92, 93, 94, 95, 1997 Free Software Foundation, Inc.
+ By Troy Rollo (troy@cbme.unsw.edu.au)
+ Based on m68k standard COFF version Written by Cygnus Support.
+
+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. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "coff/apollo.h"
+#include "coff/internal.h"
+#include "libcoff.h"
+
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
+
+#ifdef ONLY_DECLARE_RELOCS
+extern reloc_howto_type apollocoff_howto_table[];
+#else
+reloc_howto_type apollocoff_howto_table[] =
+{
+ HOWTO(R_RELBYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "8", true, 0x000000ff,0x000000ff, false),
+ HOWTO(R_RELWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16", true, 0x0000ffff,0x0000ffff, false),
+ HOWTO(R_RELLONG, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "32", true, 0xffffffff,0xffffffff, false),
+ HOWTO(R_PCRBYTE, 0, 0, 8, true, 0, complain_overflow_signed, 0, "DISP8", true, 0x000000ff,0x000000ff, false),
+ HOWTO(R_PCRWORD, 0, 1, 16, true, 0, complain_overflow_signed, 0, "DISP16", true, 0x0000ffff,0x0000ffff, false),
+ HOWTO(R_PCRLONG, 0, 2, 32, true, 0, complain_overflow_signed, 0, "DISP32", true, 0xffffffff,0xffffffff, false),
+ HOWTO(R_RELLONG_NEG, 0, -2, 32, false, 0, complain_overflow_bitfield, 0, "-32", true, 0xffffffff,0xffffffff, false),
+};
+#endif /* not ONLY_DECLARE_RELOCS */
+
+#ifndef BADMAG
+#define BADMAG(x) M68KBADMAG(x)
+#endif
+#define APOLLO_M68 1 /* Customize coffcode.h */
+
+/* Turn a howto into a reloc number */
+
+#ifdef ONLY_DECLARE_RELOCS
+extern void apollo_rtype2howto PARAMS ((arelent *internal, int relocentry));
+extern int apollo_howto2rtype PARAMS ((reloc_howto_type *));
+#else
+void
+apollo_rtype2howto(internal, relocentry)
+ arelent *internal;
+ int relocentry;
+{
+ switch (relocentry)
+ {
+ case R_RELBYTE: internal->howto = apollocoff_howto_table + 0; break;
+ case R_RELWORD: internal->howto = apollocoff_howto_table + 1; break;
+ case R_RELLONG: internal->howto = apollocoff_howto_table + 2; break;
+ case R_PCRBYTE: internal->howto = apollocoff_howto_table + 3; break;
+ case R_PCRWORD: internal->howto = apollocoff_howto_table + 4; break;
+ case R_PCRLONG: internal->howto = apollocoff_howto_table + 5; break;
+ case R_RELLONG_NEG: internal->howto = apollocoff_howto_table + 6; break;
+ }
+}
+
+int
+apollo_howto2rtype (internal)
+ reloc_howto_type *internal;
+{
+ if (internal->pc_relative)
+ {
+ switch (internal->bitsize)
+ {
+ case 32: return R_PCRLONG;
+ case 16: return R_PCRWORD;
+ case 8: return R_PCRBYTE;
+ }
+ }
+ else
+ {
+ switch (internal->bitsize)
+ {
+ case 32: return R_RELLONG;
+ case 16: return R_RELWORD;
+ case 8: return R_RELBYTE;
+ }
+ }
+ return R_RELLONG;
+}
+#endif /* not ONLY_DECLARE_RELOCS */
+
+#define RTYPE2HOWTO(internal, relocentry) \
+ apollo_rtype2howto(internal, (relocentry)->r_type)
+
+#define SELECT_RELOC(external, internal) \
+ external.r_type = apollo_howto2rtype(internal);
+
+#include "coffcode.h"
+
+const bfd_target
+#ifdef TARGET_SYM
+ TARGET_SYM =
+#else
+ apollocoff_vec =
+#endif
+{
+#ifdef TARGET_NAME
+ TARGET_NAME,
+#else
+ "apollo-m68k", /* name */
+#endif
+ bfd_target_coff_flavour,
+ BFD_ENDIAN_BIG, /* data byte order is big */
+ BFD_ENDIAN_BIG, /* header byte order is big */
+
+ (HAS_RELOC | EXEC_P | /* object flags */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | WP_TEXT),
+
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
+#ifdef NAMES_HAVE_UNDERSCORE
+ '_',
+#else
+ 0, /* leading underscore */
+#endif
+ '/', /* ar_pad_char */
+ 15, /* ar_max_namelen */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
+
+ {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
+ bfd_generic_archive_p, _bfd_dummy_target},
+ {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
+ bfd_false},
+ {bfd_false, coff_write_object_contents, /* bfd_write_contents */
+ _bfd_write_archive_contents, bfd_false},
+
+ BFD_JUMP_TABLE_GENERIC (coff),
+ BFD_JUMP_TABLE_COPY (coff),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
+ BFD_JUMP_TABLE_SYMBOLS (coff),
+ BFD_JUMP_TABLE_RELOCS (coff),
+ BFD_JUMP_TABLE_WRITE (coff),
+ BFD_JUMP_TABLE_LINK (coff),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ COFF_SWAP_TABLE
+ };