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- /* BFD back-end for Motorola 88000 COFF "Binary Compatability Standard" files.
- 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.
-
- 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #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"
-
- #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
-
- #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
- howto_hvrt16 (abfd, reloc_entry, symbol_in, data,
- ignore_input_section, ignore_bfd, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol_in;
- PTR data;
- asection *ignore_input_section;
- bfd *ignore_bfd;
- char **error_message;
- {
- 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[] =
- {
- HOWTO(R_PCR16L,02,1,16,true, 0,complain_overflow_signed, 0, "PCR16L",false,0x0000ffff,0x0000ffff,true),
- HOWTO(R_PCR26L,02,2,26,true, 0,complain_overflow_signed, 0, "PCR26L",false,0x03ffffff,0x03ffffff,true),
- HOWTO(R_VRT16, 00,1,16,false,0,complain_overflow_bitfield, 0, "VRT16", false,0x0000ffff,0x0000ffff,true),
- HOWTO(R_HVRT16,16,1,16,false,0,complain_overflow_dont,howto_hvrt16,"HVRT16",false,0x0000ffff,0x0000ffff,true),
- HOWTO(R_LVRT16,00,1,16,false,0,complain_overflow_dont, 0, "LVRT16",false,0x0000ffff,0x0000ffff,true),
- HOWTO(R_VRT32, 00,2,32,false,0,complain_overflow_bitfield, 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
-
-
- /* 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); \
- }
-
-
-
- #define BADMAG(x) MC88BADMAG(x)
- #include "coffcode.h"
-
- #undef coff_write_armap
-
- const bfd_target m88kbcs_vec =
- {
- "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_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT),
-
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
- '_', /* leading underscore */
- '/', /* ar_pad_char */
- 15, /* ar_max_namelen */
- 3, /* default alignment power */
- 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,
- };
-