-/* Motorola 68000 COFF back-end for BFD.
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
+/* BFD back-end for Motorola 68000 COFF binaries.
+ Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* $Id$ */
-
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "obstack.h"
-#include "coff-m68k.h"
-#include "internalcoff.h"
+#include "coff/m68k.h"
+#include "coff/internal.h"
#include "libcoff.h"
-static reloc_howto_type howto_table[] =
+#ifndef LYNX_SPECIAL_FN
+#define LYNX_SPECIAL_FN 0
+#endif
+
+#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
+
+/* The page size is a guess based on ELF. */
+#define COFF_PAGE_SIZE 0x2000
+
+/* Clean up namespace. */
+#define m68kcoff_howto_table _bfd_m68kcoff_howto_table
+#define m68k_rtype2howto _bfd_m68kcoff_rtype2howto
+#define m68k_howto2rtype _bfd_m68kcoff_howto2rtype
+#define m68k_reloc_type_lookup _bfd_m68kcoff_reloc_type_lookup
+
+#ifdef ONLY_DECLARE_RELOCS
+extern reloc_howto_type m68kcoff_howto_table[];
+#else
+reloc_howto_type m68kcoff_howto_table[] =
{
- HOWTO(R_RELBYTE, 0, 0, 8, false, 0, true, true,0,"8", true, 0x000000ff,0x000000ff, false),
- HOWTO(R_RELWORD, 0, 1, 16, false, 0, true, true,0,"16", true, 0x0000ffff,0x0000ffff, false),
- HOWTO(R_RELLONG, 0, 2, 32, false, 0, true, true,0,"32", true, 0xffffffff,0xffffffff, false),
- HOWTO(R_PCRBYTE, 0, 0, 8, true, 0, false, true,0,"DISP8", true, 0x000000ff,0x000000ff, false),
- HOWTO(R_PCRWORD, 0, 1, 16, true, 0, false, true,0,"DISP16", true, 0x0000ffff,0x0000ffff, false),
- HOWTO(R_PCRLONG, 0, 2, 32, true, 0, false, true,0,"DISP32", true, 0xffffffff,0xffffffff, false),
+ HOWTO(R_RELBYTE, 0, 0, 8, false, 0, complain_overflow_bitfield, LYNX_SPECIAL_FN, "8", true, 0x000000ff,0x000000ff, false),
+ HOWTO(R_RELWORD, 0, 1, 16, false, 0, complain_overflow_bitfield, LYNX_SPECIAL_FN, "16", true, 0x0000ffff,0x0000ffff, false),
+ HOWTO(R_RELLONG, 0, 2, 32, false, 0, complain_overflow_bitfield, LYNX_SPECIAL_FN, "32", true, 0xffffffff,0xffffffff, false),
+ HOWTO(R_PCRBYTE, 0, 0, 8, true, 0, complain_overflow_signed, LYNX_SPECIAL_FN, "DISP8", true, 0x000000ff,0x000000ff, false),
+ HOWTO(R_PCRWORD, 0, 1, 16, true, 0, complain_overflow_signed, LYNX_SPECIAL_FN, "DISP16", true, 0x0000ffff,0x0000ffff, false),
+ HOWTO(R_PCRLONG, 0, 2, 32, true, 0, complain_overflow_signed, LYNX_SPECIAL_FN, "DISP32", true, 0xffffffff,0xffffffff, false),
+ HOWTO(R_RELLONG_NEG, 0, -2, 32, false, 0, complain_overflow_bitfield, LYNX_SPECIAL_FN, "-32", true, 0xffffffff,0xffffffff, false),
};
+#endif /* not ONLY_DECLARE_RELOCS */
+#ifndef BADMAG
+#define BADMAG(x) M68KBADMAG(x)
+#endif
+#define M68 1 /* Customize coffcode.h */
/* Turn a howto into a reloc number */
-#define SELECT_RELOC(x,howto) { x = howto_table[howto->size +(int)howto->pc_relative*3].type; }
-#define BADMAG(x) M68KBADMAG(x)
-#define M68 1 /* Customize coffcode.h */
+#ifdef ONLY_DECLARE_RELOCS
+extern void m68k_rtype2howto PARAMS ((arelent *internal, int relocentry));
+extern int m68k_howto2rtype PARAMS ((CONST struct reloc_howto_struct *));
+extern reloc_howto_type *m68k_reloc_type_lookup
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
+#else
+void
+m68k_rtype2howto(internal, relocentry)
+ arelent *internal;
+ int relocentry;
+{
+ switch (relocentry)
+ {
+ case R_RELBYTE: internal->howto = m68kcoff_howto_table + 0; break;
+ case R_RELWORD: internal->howto = m68kcoff_howto_table + 1; break;
+ case R_RELLONG: internal->howto = m68kcoff_howto_table + 2; break;
+ case R_PCRBYTE: internal->howto = m68kcoff_howto_table + 3; break;
+ case R_PCRWORD: internal->howto = m68kcoff_howto_table + 4; break;
+ case R_PCRLONG: internal->howto = m68kcoff_howto_table + 5; break;
+ case R_RELLONG_NEG: internal->howto = m68kcoff_howto_table + 6; break;
+ }
+}
+
+int
+m68k_howto2rtype (internal)
+ CONST struct reloc_howto_struct *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;
+}
+
+reloc_howto_type *
+m68k_reloc_type_lookup (abfd, code)
+ bfd *abfd;
+ bfd_reloc_code_real_type code;
+{
+ switch (code)
+ {
+ default: return NULL;
+ case BFD_RELOC_8: return m68kcoff_howto_table + 0;
+ case BFD_RELOC_16: return m68kcoff_howto_table + 1;
+ case BFD_RELOC_CTOR:
+ case BFD_RELOC_32: return m68kcoff_howto_table + 2;
+ case BFD_RELOC_8_PCREL: return m68kcoff_howto_table + 3;
+ case BFD_RELOC_16_PCREL: return m68kcoff_howto_table + 4;
+ case BFD_RELOC_32_PCREL: return m68kcoff_howto_table + 5;
+ /* FIXME: There doesn't seem to be a code for R_RELLONG_NEG. */
+ }
+ /*NOTREACHED*/
+}
+
+#endif /* not ONLY_DECLARE_RELOCS */
#define RTYPE2HOWTO(internal, relocentry) \
- (internal)->howto = ( howto_table + (relocentry).r_type - R_RELBYTE);
+ m68k_rtype2howto(internal, (relocentry)->r_type)
-#include "coffcode.h"
+#define SELECT_RELOC(external, internal) \
+ external.r_type = m68k_howto2rtype(internal);
+#define coff_bfd_reloc_type_lookup m68k_reloc_type_lookup
-#define coff_write_armap bsd_write_armap
+#define coff_relocate_section _bfd_coff_generic_relocate_section
-bfd_target m68kcoff_vec =
+#include "coffcode.h"
+
+const bfd_target
+#ifdef TARGET_SYM
+ TARGET_SYM =
+#else
+ m68kcoff_vec =
+#endif
{
- "coff-m68k", /* name */
+#ifdef TARGET_NAME
+ TARGET_NAME,
+#else
+ "coff-m68k", /* name */
+#endif
bfd_target_coff_flavour,
true, /* data byte order is big */
true, /* header byte order is big */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
+ HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
(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 */
- 3, /* minimum section alignment */
-_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
-_do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_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},
-
- JUMP_TABLE(coff),
+ 1, /* minimum section alignment */
+ 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
-};
+ };
projects / binutils-gdb.git / blobdiff