1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/* BFD back-end for Sparc COFF files.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001,
2002, 2003, 2005 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., 59 Temple Place - Suite 330, Boston, MA 02110-1301, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "coff/sparc.h"
#include "coff/internal.h"
#include "libcoff.h"
#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
#define BADMAG(x) ((x).f_magic != SPARCMAGIC && (x).f_magic != LYNXCOFFMAGIC)
/* The page size is a guess based on ELF. */
#define COFF_PAGE_SIZE 0x10000
static reloc_howto_type *coff_sparc_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static void rtype2howto PARAMS ((arelent *, struct internal_reloc *));
enum reloc_type
{
R_SPARC_NONE = 0,
R_SPARC_8, R_SPARC_16, R_SPARC_32,
R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32,
R_SPARC_WDISP30, R_SPARC_WDISP22,
R_SPARC_HI22, R_SPARC_22,
R_SPARC_13, R_SPARC_LO10,
R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22,
R_SPARC_PC10, R_SPARC_PC22,
R_SPARC_WPLT30,
R_SPARC_COPY,
R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT,
R_SPARC_RELATIVE,
R_SPARC_UA32,
R_SPARC_max
};
/* This is stolen pretty directly from elf.c. */
static bfd_reloc_status_type
bfd_coff_generic_reloc PARAMS ((bfd *, arelent *, asymbol *, PTR,
asection *, bfd *, char **));
static bfd_reloc_status_type
bfd_coff_generic_reloc (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
bfd *abfd ATTRIBUTE_UNUSED;
arelent *reloc_entry;
asymbol *symbol;
PTR data ATTRIBUTE_UNUSED;
asection *input_section;
bfd *output_bfd;
char **error_message ATTRIBUTE_UNUSED;
{
if (output_bfd != (bfd *) NULL
&& (symbol->flags & BSF_SECTION_SYM) == 0)
{
reloc_entry->address += input_section->output_offset;
return bfd_reloc_ok;
}
return bfd_reloc_continue;
}
static reloc_howto_type coff_sparc_howto_table[] =
{
HOWTO(R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
HOWTO(R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_8", FALSE,0,0x000000ff,TRUE),
HOWTO(R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
HOWTO(R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_32", FALSE,0,0xffffffff,TRUE),
HOWTO(R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
HOWTO(R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
HOWTO(R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_DISP32", FALSE,0,0x00ffffff,TRUE),
HOWTO(R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
HOWTO(R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, bfd_coff_generic_reloc,"R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
HOWTO(R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
HOWTO(R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_22", FALSE,0,0x003fffff,TRUE),
HOWTO(R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_13", FALSE,0,0x00001fff,TRUE),
HOWTO(R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
HOWTO(R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
HOWTO(R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
HOWTO(R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
HOWTO(R_SPARC_PC10, 0,2,10,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
HOWTO(R_SPARC_PC22, 0,2,22,FALSE,0,complain_overflow_bitfield,bfd_coff_generic_reloc,"R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
HOWTO(R_SPARC_WPLT30, 0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_WPLT30", FALSE,0,0x00000000,TRUE),
HOWTO(R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
HOWTO(R_SPARC_GLOB_DAT,0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
HOWTO(R_SPARC_JMP_SLOT,0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
HOWTO(R_SPARC_RELATIVE,0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
HOWTO(R_SPARC_UA32, 0,0,00,FALSE,0,complain_overflow_dont, bfd_coff_generic_reloc,"R_SPARC_UA32", FALSE,0,0x00000000,TRUE),
};
struct coff_reloc_map {
bfd_reloc_code_real_type bfd_reloc_val;
unsigned char coff_reloc_val;
};
static const struct coff_reloc_map sparc_reloc_map[] =
{
{ BFD_RELOC_NONE, R_SPARC_NONE, },
{ BFD_RELOC_16, R_SPARC_16, },
{ BFD_RELOC_8, R_SPARC_8 },
{ BFD_RELOC_8_PCREL, R_SPARC_DISP8 },
{ BFD_RELOC_CTOR, R_SPARC_32 }, /* @@ Assumes 32 bits. */
{ BFD_RELOC_32, R_SPARC_32 },
{ BFD_RELOC_32_PCREL, R_SPARC_DISP32 },
{ BFD_RELOC_HI22, R_SPARC_HI22 },
{ BFD_RELOC_LO10, R_SPARC_LO10, },
{ BFD_RELOC_32_PCREL_S2, R_SPARC_WDISP30 },
{ BFD_RELOC_SPARC22, R_SPARC_22 },
{ BFD_RELOC_SPARC13, R_SPARC_13 },
{ BFD_RELOC_SPARC_GOT10, R_SPARC_GOT10 },
{ BFD_RELOC_SPARC_GOT13, R_SPARC_GOT13 },
{ BFD_RELOC_SPARC_GOT22, R_SPARC_GOT22 },
{ BFD_RELOC_SPARC_PC10, R_SPARC_PC10 },
{ BFD_RELOC_SPARC_PC22, R_SPARC_PC22 },
{ BFD_RELOC_SPARC_WPLT30, R_SPARC_WPLT30 },
{ BFD_RELOC_SPARC_COPY, R_SPARC_COPY },
{ BFD_RELOC_SPARC_GLOB_DAT, R_SPARC_GLOB_DAT },
{ BFD_RELOC_SPARC_JMP_SLOT, R_SPARC_JMP_SLOT },
{ BFD_RELOC_SPARC_RELATIVE, R_SPARC_RELATIVE },
{ BFD_RELOC_SPARC_WDISP22, R_SPARC_WDISP22 },
/* { BFD_RELOC_SPARC_UA32, R_SPARC_UA32 }, not used?? */
};
static reloc_howto_type *
coff_sparc_reloc_type_lookup (abfd, code)
bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
for (i = 0; i < sizeof (sparc_reloc_map) / sizeof (struct coff_reloc_map); i++)
{
if (sparc_reloc_map[i].bfd_reloc_val == code)
return &coff_sparc_howto_table[(int) sparc_reloc_map[i].coff_reloc_val];
}
return 0;
}
#define coff_bfd_reloc_type_lookup coff_sparc_reloc_type_lookup
static void
rtype2howto (cache_ptr, dst)
arelent *cache_ptr;
struct internal_reloc *dst;
{
BFD_ASSERT (dst->r_type < (unsigned int) R_SPARC_max);
cache_ptr->howto = &coff_sparc_howto_table[dst->r_type];
}
#define RTYPE2HOWTO(internal, relocentry) rtype2howto(internal,relocentry)
#define SWAP_IN_RELOC_OFFSET H_GET_32
#define SWAP_OUT_RELOC_OFFSET H_PUT_32
#define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \
cache_ptr->addend = reloc.r_offset;
/* Clear the r_spare field in relocs. */
#define SWAP_OUT_RELOC_EXTRA(abfd,src,dst) \
do { \
dst->r_spare[0] = 0; \
dst->r_spare[1] = 0; \
} while (0)
#define __A_MAGIC_SET__
/* Enable Sparc-specific hacks in coffcode.h. */
#define COFF_SPARC
#include "coffcode.h"
#ifndef TARGET_SYM
#define TARGET_SYM sparccoff_vec
#endif
#ifndef TARGET_NAME
#define TARGET_NAME "coff-sparc"
#endif
CREATE_BIG_COFF_TARGET_VEC (TARGET_SYM, TARGET_NAME, D_PAGED, 0, '_', NULL, COFF_SWAP_TABLE)
|
