-/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+/* BFD back-end for Motorola 88000 COFF "Binary Compatability Standard" files.
+ Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
+ Written by Cygnus Support.
-This file is part of BFD, the Binary File Diddler.
+This file is part of BFD, the Binary File Descriptor library.
-BFD is free software; you can redistribute it and/or modify
+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 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-BFD is distributed in the hope that it will be useful,
+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 BFD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* $Id$ */
-
-#define M88 1
-#include <ansidecl.h>
-#include <sysdep.h>
+#define M88 1 /* Customize various include files */
#include "bfd.h"
+#include "sysdep.h"
#include "libbfd.h"
+#include "obstack.h"
+#include "coff/m88k.h"
+#include "coff/internal.h"
#include "libcoff.h"
-#include "m88k-bcs.h"
+#undef HOWTO_PREPARE
+/* Provided the symbol, returns the value reffed */
+#define HOWTO_PREPARE(relocation, symbol) \
+ { \
+ if (symbol != (asymbol *)NULL) { \
+ if (bfd_is_com_section (symbol->section)) { \
+ relocation = 0; \
+ } \
+ else { \
+ relocation = symbol->value; \
+ } \
+ } \
+ if (symbol->section != (asection *)NULL) { \
+ relocation += symbol->section->output_section->vma + \
+ symbol->section->output_offset; \
+ } \
+}
+
+
+static bfd_reloc_status_type
+DEFUN(howto_hvrt16,(abfd, reloc_entry, symbol_in, data,
+ ignore_input_section, ignore_bfd),
+ bfd *abfd AND
+ arelent *reloc_entry AND
+ asymbol *symbol_in AND
+ PTR data AND
+ asection *ignore_input_section AND
+ bfd *ignore_bfd)
+{
+ long relocation = 0;
+ bfd_vma addr = reloc_entry->address;
+ long x = bfd_get_16(abfd, (bfd_byte *)data + addr);
+
+ HOWTO_PREPARE(relocation, symbol_in);
+
+ x = (x + relocation + reloc_entry->addend) >> 16;
+
+ bfd_put_16(abfd, x, (bfd_byte *)data + addr);
+ return bfd_reloc_ok;
+}
+
static reloc_howto_type howto_table[] =
{
-/* type rtshift size bitsize pc_rel bitpos abs ovff sf name partial inplace mask*/
- R_PCR16L, 2, 1, 16, true, 0, false, true, 0,"PCR16L", false, 0x0000ffff,
- R_PCR26L, 2, 2, 26, true, 0, false, true, 0,"PCR26L", false, 0x03ffffff,
- R_VRT16, 0, 1, 16, false, 0, false, true, 0,"VRT16", false, 0x0000ffff,
- R_HVRT16,16, 1, 16, false, 0, false, true, 0,"HVRT16", false, 0x0000ffff,
- R_LVRT16, 0, 1, 16, false, 0, false, true, 0,"LVRT16", false, 0x0000ffff,
- R_VRT32, 0, 2, 32, false, 0, false, true, 0,"VRT32", false, 0xffffffff,
+ HOWTO(R_PCR16L,02,1,16,true, 0,false,true,0,"PCR16L",false,0x0000ffff,0x0000ffff,true),
+ HOWTO(R_PCR26L,02,2,26,true, 0,false,true,0,"PCR26L",false,0x03ffffff,0x03ffffff,true),
+ HOWTO(R_VRT16, 00,1,16,false,0,false,true,0,"VRT16", false,0x0000ffff,0x0000ffff,true),
+ HOWTO(R_HVRT16,16,1,16,false,0,false,true,howto_hvrt16,"HVRT16",false,0x0000ffff,0x0000ffff,true),
+ HOWTO(R_LVRT16,00,1,16,false,0,false,true,0,"LVRT16",false,0x0000ffff,0x0000ffff,true),
+ HOWTO(R_VRT32, 00,2,32,false,0,false,true,0,"VRT32", false,0xffffffff,0xffffffff,true),
};
+/* Code to swap in the reloc offset */
+#define SWAP_IN_RELOC_OFFSET bfd_h_get_16
+#define SWAP_OUT_RELOC_OFFSET bfd_h_put_16
-#define BADMAG(x) MC88BADMAG(x)
-#include "coff-code.h"
+/* Code to turn an external r_type into a pointer to an entry in the
+ above howto table */
+#define RTYPE2HOWTO(cache_ptr, dst) \
+ if ((dst)->r_type >= R_PCR16L && (dst)->r_type <= R_VRT32) {\
+ cache_ptr->howto = howto_table + (dst)->r_type - R_PCR16L;\
+ cache_ptr->addend += (dst)->r_offset << 16; \
+ } \
+ else { \
+ BFD_ASSERT(0); \
+ }
-bfd_target m88k_bcs_vec =
+
+#define BADMAG(x) MC88BADMAG(x)
+#include "coffcode.h"
+
+#undef coff_write_armap
+
+bfd_target m88kbcs_vec =
{
- "m88k-bcs", /* name */
- bfd_target_coff_flavour_enum,
- false, /* data byte order is little */
+ "coff-m88kbcs", /* name */
+ bfd_target_coff_flavour,
+ true, /* data byte order is big */
true, /* header byte order is big */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- 0, /* valid reloc types */
+ '_', /* leading underscore */
'/', /* ar_pad_char */
15, /* ar_max_namelen */
- coff_close_and_cleanup, /* _close_and_cleanup */
- coff_set_section_contents, /* bfd_set_section_contents */
- coff_get_section_contents, /* bfd_get_section_contents */
- coff_new_section_hook, /* new_section_hook */
- _bfd_dummy_core_file_failing_command, /* _core_file_failing_command */
- _bfd_dummy_core_file_failing_signal, /* _core_file_failing_signal */
- _bfd_dummy_core_file_matches_executable_p, /* _core_file_matches_ex...p */
-
- bfd_slurp_coff_armap, /* bfd_slurp_armap */
- _bfd_slurp_extended_name_table, /* bfd_slurp_extended_name_table*/
-#if 0 /* */
- bfd_dont_truncate_arname, /* bfd_truncate_arname */
-#else
- bfd_bsd_truncate_arname,
-#endif
-
- coff_get_symtab_upper_bound, /* get_symtab_upper_bound */
- coff_get_symtab, /* canonicalize_symtab */
- (void (*)())bfd_false, /* bfd_reclaim_symbol_table */
- coff_get_reloc_upper_bound, /* get_reloc_upper_bound */
- coff_canonicalize_reloc, /* bfd_canonicalize_reloc */
- (void (*)())bfd_false, /* bfd_reclaim_reloc */
-
- coff_get_symcount_upper_bound, /* bfd_get_symcount_upper_bound */
- coff_get_first_symbol, /* bfd_get_first_symbol */
- coff_get_next_symbol, /* bfd_get_next_symbol */
- coff_classify_symbol, /* bfd_classify_symbol */
- coff_symbol_hasclass, /* bfd_symbol_hasclass */
- coff_symbol_name, /* bfd_symbol_name */
- coff_symbol_value, /* bfd_symbol_value */
-
- _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */
- _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* 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},
- coff_make_empty_symbol,
- coff_print_symbol,
- coff_get_lineno,
- coff_set_arch_mach,
- coff_write_armap,
- bfd_generic_openr_next_archived_file,
- coff_find_nearest_line,
- bfd_generic_stat_arch_elt /* bfd_stat_arch_elt */
- };
-
-
-
+ 3, /* default alignment power */
+ _do_getb64, _do_getb_signed_64, _do_putb64,
+ _do_getb32, _do_getb_signed_32, _do_putb32,
+ _do_getb16, _do_getb_signed_16, _do_putb16, /* data */
+ _do_getb64, _do_getb_signed_64, _do_putb64,
+ _do_getb32, _do_getb_signed_32, _do_putb32,
+ _do_getb16, _do_getb_signed_16, _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),
+ COFF_SWAP_TABLE,
+};
projects / binutils.git / blobdiff