1 /* BFD back-end for Hitachi H8/500 COFF binaries.
2 Copyright 1993 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
4 Written by Steve Chamberlain, <sac@cygnus.com>.
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
26 #include "coff/h8500.h"
27 #include "coff/internal.h"
31 extern bfd_error_vector_type bfd_error_vector
;
33 static reloc_howto_type r_imm8
=
34 HOWTO (R_H8500_IMM8
, 0, 1, 8, false, 0, true,
35 true, 0, "r_imm8", true, 0x000000ff, 0x000000ff, false);
37 static reloc_howto_type r_imm16
=
38 HOWTO (R_H8500_IMM16
, 0, 1, 16, false, 0, true,
39 true, 0, "r_imm16", true, 0x0000ffff, 0x0000ffff, false);
41 static reloc_howto_type r_imm24
=
42 HOWTO (R_H8500_IMM24
, 0, 1, 24, false, 0, true,
43 true, 0, "r_imm24", true, 0x00ffffff, 0x00ffffff, false);
45 static reloc_howto_type r_imm32
=
46 HOWTO (R_H8500_IMM32
, 0, 1, 32, false, 0, true,
47 true, 0, "r_imm32", true, 0xffffffff, 0xffffffff, false);
50 static reloc_howto_type r_high8
=
51 HOWTO (R_H8500_HIGH8
, 0, 1, 8, false, 0, true,
52 true, 0, "r_high8", true, 0x000000ff, 0x000000ff, false);
54 static reloc_howto_type r_low16
=
55 HOWTO (R_H8500_LOW16
, 0, 1, 16, false, 0, true,
56 true, 0, "r_low16", true, 0x0000ffff, 0x0000ffff, false);
58 static reloc_howto_type r_pcrel8
=
59 HOWTO (R_H8500_PCREL8
, 0, 1, 8, true, 0, true, true, 0, "r_pcrel8", true, 0, 0, true);
62 static reloc_howto_type r_pcrel16
=
63 HOWTO (R_H8500_PCREL16
, 0, 1, 16, true, 0, true, true, 0, "r_pcrel16", true, 0, 0, true);
65 static reloc_howto_type r_high16
=
66 HOWTO (R_H8500_HIGH16
, 0, 1, 8, false, 0, true,
67 true, 0, "r_high16", true, 0x000ffff, 0x0000ffff, false);
70 /* Turn a howto into a reloc number */
73 coff_h8500_select_reloc (howto
)
74 reloc_howto_type
*howto
;
79 #define SELECT_RELOC(x,howto) x= coff_h8500_select_reloc(howto)
82 #define BADMAG(x) H8500BADMAG(x)
83 #define H8500 1 /* Customize coffcode.h */
85 #define __A_MAGIC_SET__
87 /* Code to swap in the reloc */
88 #define SWAP_IN_RELOC_OFFSET bfd_h_get_32
89 #define SWAP_OUT_RELOC_OFFSET bfd_h_put_32
90 #define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
91 dst->r_stuff[0] = 'S'; \
92 dst->r_stuff[1] = 'C';
94 /* Code to turn a r_type into a howto ptr, uses the above howto table
98 rtype2howto(internal
, dst
)
100 struct internal_reloc
*dst
;
105 printf ("BAD 0x%x\n", dst
->r_type
);
107 internal
->howto
= &r_imm8
;
110 internal
->howto
= &r_imm16
;
113 internal
->howto
= &r_imm24
;
116 internal
->howto
= &r_imm32
;
119 internal
->howto
= &r_pcrel8
;
121 case R_H8500_PCREL16
:
122 internal
->howto
= &r_pcrel16
;
125 internal
->howto
= &r_high8
;
128 internal
->howto
= &r_high16
;
131 internal
->howto
= &r_low16
;
136 #define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
139 /* Perform any necessaru magic to the addend in a reloc entry */
142 #define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
143 cache_ptr->addend = ext_reloc.r_offset;
146 #define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
147 reloc_processing(relent, reloc, symbols, abfd, section)
149 static void reloc_processing (relent
, reloc
, symbols
, abfd
, section
)
151 struct internal_reloc
*reloc
;
156 relent
->address
= reloc
->r_vaddr
;
157 rtype2howto (relent
, reloc
);
159 if (reloc
->r_symndx
> 0)
161 relent
->sym_ptr_ptr
= symbols
+ obj_convert (abfd
)[reloc
->r_symndx
];
165 relent
->sym_ptr_ptr
= &(bfd_abs_symbol
);
169 relent
->addend
= reloc
->r_offset
;
170 relent
->address
-= section
->vma
;
174 extra_case (in_abfd
, seclet
, reloc
, data
, src_ptr
, dst_ptr
)
176 bfd_seclet_type
*seclet
;
179 unsigned int *src_ptr
;
180 unsigned int *dst_ptr
;
182 bfd_byte
*d
= data
+*dst_ptr
;
183 switch (reloc
->howto
->type
)
187 bfd_coff_reloc16_get_value (reloc
, seclet
),
195 (bfd_coff_reloc16_get_value (reloc
, seclet
)>>16),
203 bfd_coff_reloc16_get_value (reloc
, seclet
) ,
211 bfd_coff_reloc16_get_value (reloc
, seclet
) ,
220 bfd_coff_reloc16_get_value (reloc
, seclet
)>>16 ,
229 int v
= bfd_coff_reloc16_get_value(reloc
, seclet
);
230 int o
= bfd_get_32(in_abfd
, data
+ *dst_ptr
-1);
231 v
= (v
& 0x00ffffff) | (o
& 0xff00000);
232 bfd_put_32 (in_abfd
, v
, data
+ *dst_ptr
-1);
239 int v
= bfd_coff_reloc16_get_value(reloc
, seclet
);
240 bfd_put_32 (in_abfd
, v
, data
+ *dst_ptr
);
249 bfd_vma dst
= bfd_coff_reloc16_get_value (reloc
, seclet
);
250 bfd_vma dot
= seclet
->offset
252 + seclet
->u
.indirect
.section
->output_section
->vma
;
253 int gap
= dst
- dot
- 1; /* -1 since were in the odd byte of the
254 word and the pc's been incremented */
256 if (gap
> 128 || gap
< -128)
258 bfd_error_vector
.reloc_value_truncated (reloc
, seclet
);
260 bfd_put_8 (in_abfd
, gap
, data
+ *dst_ptr
);
265 case R_H8500_PCREL16
:
267 bfd_vma dst
= bfd_coff_reloc16_get_value (reloc
, seclet
);
268 bfd_vma dot
= seclet
->offset
270 + seclet
->u
.indirect
.section
->output_section
->vma
;
271 int gap
= dst
- dot
- 1; /* -1 since were in the odd byte of the
272 word and the pc's been incremented */
274 if (gap
> 32767 || gap
< -32768)
276 bfd_error_vector
.reloc_value_truncated (reloc
, seclet
);
278 bfd_put_16 (in_abfd
, gap
, data
+ *dst_ptr
);
289 #define coff_reloc16_extra_cases extra_case
291 #include "coffcode.h"
294 #undef coff_bfd_get_relocated_section_contents
295 #undef coff_bfd_relax_section
296 #define coff_bfd_get_relocated_section_contents bfd_coff_reloc16_get_relocated_section_contents
297 #define coff_bfd_relax_section bfd_coff_reloc16_relax_section
299 bfd_target h8500coff_vec
=
301 "coff-h8500", /* name */
302 bfd_target_coff_flavour
,
303 true, /* data byte order is big */
304 true, /* header byte order is big */
306 (HAS_RELOC
| EXEC_P
| /* object flags */
307 HAS_LINENO
| HAS_DEBUG
|
308 HAS_SYMS
| HAS_LOCALS
| DYNAMIC
| WP_TEXT
),
310 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
), /* section flags */
311 '_', /* leading symbol underscore */
312 '/', /* ar_pad_char */
313 15, /* ar_max_namelen */
314 1, /* minimum section alignment */
315 _do_getb64
, _do_getb_signed_64
, _do_putb64
,
316 _do_getb32
, _do_getb_signed_32
, _do_putb32
,
317 _do_getb16
, _do_getb_signed_16
, _do_putb16
, /* data */
318 _do_getb64
, _do_getb_signed_64
, _do_putb64
,
319 _do_getb32
, _do_getb_signed_32
, _do_putb32
,
320 _do_getb16
, _do_getb_signed_16
, _do_putb16
, /* hdrs */
322 {_bfd_dummy_target
, coff_object_p
, /* bfd_check_format */
323 bfd_generic_archive_p
, _bfd_dummy_target
},
324 {bfd_false
, coff_mkobject
, _bfd_generic_mkarchive
, /* bfd_set_format */
326 {bfd_false
, coff_write_object_contents
, /* bfd_write_contents */
327 _bfd_write_archive_contents
, bfd_false
},