1 /* BFD back-end for Motorola 88000 COFF "Binary Compatability Standard" files.
2 Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
3 Written by Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
21 #define M88 1 /* Customize various include files */
26 #include "coff/m88k.h"
27 #include "coff/internal.h"
30 /* Provided the symbol, returns the value reffed */
31 #define HOWTO_PREPARE(relocation, symbol) \
33 if (symbol != (asymbol *)NULL) { \
34 if (bfd_is_com_section (symbol->section)) { \
38 relocation = symbol->value; \
41 if (symbol->section != (asection *)NULL) { \
42 relocation += symbol->section->output_section->vma + \
43 symbol->section->output_offset; \
48 static bfd_reloc_status_type
49 howto_hvrt16 (abfd
, reloc_entry
, symbol_in
, data
,
50 ignore_input_section
, ignore_bfd
, error_message
)
55 asection
*ignore_input_section
;
60 bfd_vma addr
= reloc_entry
->address
;
61 long x
= bfd_get_16(abfd
, (bfd_byte
*)data
+ addr
);
63 HOWTO_PREPARE(relocation
, symbol_in
);
65 x
= (x
+ relocation
+ reloc_entry
->addend
) >> 16;
67 bfd_put_16(abfd
, x
, (bfd_byte
*)data
+ addr
);
73 static reloc_howto_type howto_table
[] =
75 HOWTO(R_PCR16L
,02,1,16,true, 0,complain_overflow_signed
, 0, "PCR16L",false,0x0000ffff,0x0000ffff,true),
76 HOWTO(R_PCR26L
,02,2,26,true, 0,complain_overflow_signed
, 0, "PCR26L",false,0x03ffffff,0x03ffffff,true),
77 HOWTO(R_VRT16
, 00,1,16,false,0,complain_overflow_bitfield
, 0, "VRT16", false,0x0000ffff,0x0000ffff,true),
78 HOWTO(R_HVRT16
,16,1,16,false,0,complain_overflow_dont
,howto_hvrt16
,"HVRT16",false,0x0000ffff,0x0000ffff,true),
79 HOWTO(R_LVRT16
,00,1,16,false,0,complain_overflow_dont
, 0, "LVRT16",false,0x0000ffff,0x0000ffff,true),
80 HOWTO(R_VRT32
, 00,2,32,false,0,complain_overflow_bitfield
, 0, "VRT32", false,0xffffffff,0xffffffff,true),
84 /* Code to swap in the reloc offset */
85 #define SWAP_IN_RELOC_OFFSET bfd_h_get_16
86 #define SWAP_OUT_RELOC_OFFSET bfd_h_put_16
89 /* Code to turn an external r_type into a pointer to an entry in the
91 #define RTYPE2HOWTO(cache_ptr, dst) \
92 if ((dst)->r_type >= R_PCR16L && (dst)->r_type <= R_VRT32) {\
93 cache_ptr->howto = howto_table + (dst)->r_type - R_PCR16L;\
94 cache_ptr->addend += (dst)->r_offset << 16; \
102 #define BADMAG(x) MC88BADMAG(x)
103 #include "coffcode.h"
105 #undef coff_write_armap
107 bfd_target m88kbcs_vec
=
109 "coff-m88kbcs", /* name */
110 bfd_target_coff_flavour
,
111 true, /* data byte order is big */
112 true, /* header byte order is big */
114 (HAS_RELOC
| EXEC_P
| /* object flags */
115 HAS_LINENO
| HAS_DEBUG
|
116 HAS_SYMS
| HAS_LOCALS
| WP_TEXT
),
118 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
119 '_', /* leading underscore */
120 '/', /* ar_pad_char */
121 15, /* ar_max_namelen */
122 3, /* default alignment power */
123 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
124 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
125 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
, /* data */
126 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
127 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
128 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
, /* hdrs */
130 {_bfd_dummy_target
, coff_object_p
, /* bfd_check_format */
131 bfd_generic_archive_p
, _bfd_dummy_target
},
132 {bfd_false
, coff_mkobject
, _bfd_generic_mkarchive
, /* bfd_set_format */
134 {bfd_false
, coff_write_object_contents
, /* bfd_write_contents */
135 _bfd_write_archive_contents
, bfd_false
},
137 BFD_JUMP_TABLE_GENERIC (coff
),
138 BFD_JUMP_TABLE_COPY (coff
),
139 BFD_JUMP_TABLE_CORE (_bfd_nocore
),
140 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
141 BFD_JUMP_TABLE_SYMBOLS (coff
),
142 BFD_JUMP_TABLE_RELOCS (coff
),
143 BFD_JUMP_TABLE_WRITE (coff
),
144 BFD_JUMP_TABLE_LINK (coff
),