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
|
/* CRIS ELF support for BFD.
Copyright (C) 2000-2021 Free Software Foundation, Inc.
Contributed by Axis Communications AB, Lund, Sweden.
Written by Hans-Peter Nilsson.
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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _ELF_CRIS_H
#define _ELF_CRIS_H
#include "elf/reloc-macros.h"
/* Relocations. */
START_RELOC_NUMBERS (elf_cris_reloc_type)
RELOC_NUMBER (R_CRIS_NONE, 0)
RELOC_NUMBER (R_CRIS_8, 1)
RELOC_NUMBER (R_CRIS_16, 2)
RELOC_NUMBER (R_CRIS_32, 3)
/* The "PC" position is the location right after the relocation. */
RELOC_NUMBER (R_CRIS_8_PCREL, 4)
RELOC_NUMBER (R_CRIS_16_PCREL, 5)
RELOC_NUMBER (R_CRIS_32_PCREL, 6)
RELOC_NUMBER (R_CRIS_GNU_VTINHERIT, 7)
RELOC_NUMBER (R_CRIS_GNU_VTENTRY, 8)
/* Copy contents at dynlinking. Generated by the linker.
The BFD equivalent is BFD_RELOC_CRIS_COPY. */
RELOC_NUMBER (R_CRIS_COPY, 9)
/* Create GOT entry. Generated by the linker.
The BFD equivalent is BFD_RELOC_CRIS_GLOB_DAT. */
RELOC_NUMBER (R_CRIS_GLOB_DAT, 10)
/* Create PLT entry. Generated by the linker.
The BFD equivalent is BFD_RELOC_CRIS_JUMP_SLOT. */
RELOC_NUMBER (R_CRIS_JUMP_SLOT, 11)
/* Adjust by program base. Generated by the linker.
The BFD equivalent is BFD_RELOC_CRIS_RELATIVE. */
RELOC_NUMBER (R_CRIS_RELATIVE, 12)
/* A 16-bit offset to entry in GOT and request to create GOT entry for
that symbol.
The BFD equivalent is BFD_RELOC_CRIS_16_GOT. */
RELOC_NUMBER (R_CRIS_16_GOT, 13)
/* A 32-bit offset to entry in GOT and request to create GOT entry for
that symbol.
The BFD equivalent is BFD_RELOC_CRIS_32_GOT. */
RELOC_NUMBER (R_CRIS_32_GOT, 14)
/* A 16-bit offset to entry in PLT part of GOT and request to create PLT
entry for that symbol.
The BFD equivalent is BFD_RELOC_CRIS_16_GOTPLT. */
RELOC_NUMBER (R_CRIS_16_GOTPLT, 15)
/* A 32-bit offset to entry in PLT part of GOT and request to create PLT
entry for that symbol.
The BFD equivalent is BFD_RELOC_CRIS_32_GOTPLT. */
RELOC_NUMBER (R_CRIS_32_GOTPLT, 16)
/* A 32-bit offset from GOT to (local) symbol: no GOT entry should be
necessary.
The BFD equivalent is BFD_RELOC_CRIS_32_GOTREL. */
RELOC_NUMBER (R_CRIS_32_GOTREL, 17)
/* A 32-bit offset from GOT to entry for this symbol in PLT and request
to create PLT entry for symbol.
The BFD equivalent is BFD_RELOC_CRIS_32_GOTREL. */
RELOC_NUMBER (R_CRIS_32_PLT_GOTREL, 18)
/* A 32-bit offset from location after this relocation (addend specifies
offset) to entry for this symbol in PLT and request to create PLT
entry for symbol.
The BFD equivalent is BFD_RELOC_CRIS_32_PLT_PCREL. */
RELOC_NUMBER (R_CRIS_32_PLT_PCREL, 19)
/* An assembler-generated-only relocation, instructing the linker to
reserve two GOT slots, carrying the R_CRIS_DTP relocation for the
symbol (pointing to the first slot, the relocation fills in
both). The value is a 32-bit-value, relative to the start of the
GOT. Assembly syntax: "sym:GDGOTREL". */
RELOC_NUMBER (R_CRIS_32_GOT_GD, 20)
/* Similar to R_CRIS_32_GOT_GD, but the value is a 16-bit unsigned
number, limiting access to 65536/4 global symbols per module (or
65536/8 thread variables; loosely speaking G*4+T*8 < 65536, where
T is the number of thread variables and G is the number of other
external global variables and functions). Assembly syntax:
"sym:GDGOTREL16". */
RELOC_NUMBER (R_CRIS_16_GOT_GD, 21)
/* Similar to R_CRIS_32_GOT_GD, but the value is the absolute
address of the GOT entry. Disallowed in DSOs created with
-shared. Assembly syntax: "sym:GD". */
RELOC_NUMBER (R_CRIS_32_GD, 22)
/* A linker-generated-only relocation, instructing the dynamic
linker to fill in the module ID and module-relative-TLS-block
offset of the symbol in question, used for GOT entries. Note
that this relocation instructs to fill in two 32-bit values. */
RELOC_NUMBER (R_CRIS_DTP, 23)
/* An assembler-generated-only relocation, instructing the linker to
reserve the first two GOT slots, and attach the R_CRIS_DTPMOD
relocation(*) for the module to the first slot, the second
containing zero. The value is 32 bits, the offset from the start
of the TLS block of the module to the thread-local symbol
mentioned in the relocation. This relocation must only be applied
to module-local symbols. Assembly syntax: "expr:DTPREL". */
RELOC_NUMBER (R_CRIS_32_DTPREL, 24)
/* Similar to R_CRIS_32_DTPREL, but the value is a 16-bit signed
number, limiting the size of thread-variables of the DSO to 32768
bytes. (Note: matches both model 1 and 2 and allows use of addo.w
as the instruction where this relocation is used.) Assembly
syntax: "expr:DTPREL16". */
RELOC_NUMBER (R_CRIS_16_DTPREL, 25)
/* An assembler-generated-only relocation, instructing the linker to
reserve a GOT slot and attach the R_CRIS_32_TPREL relocation for
the symbol in question. The value is 32 bits, which is the
GOT-relative offset of the slot. Assembly syntax:
"sym:TPOFFGOT". */
RELOC_NUMBER (R_CRIS_32_GOT_TPREL, 26)
/* Similar to R_CRIS_32_TPREL, but the value is a 16-bit positive
number, limiting the number of thread- and global variables of
the DSO to 32768/4. Assembly syntax: "sym:TPOFFGOT16". */
RELOC_NUMBER (R_CRIS_16_GOT_TPREL, 27)
/* An assembler- and linker-generated relocation, instructing to
resolve the symbol in question yielding the TLS offset of the
thread variable, relative to the global TLS block. Not allowed
as input when generating a DSO. Assembly syntax:
"expr:TPOFF". */
RELOC_NUMBER (R_CRIS_32_TPREL, 28)
/* Similar to R_CRIS_32_TPREL, but only applicable to executables
compiled with -msmall-tls. Not allowed in a DSO. The value is a
16-bit signed number, limiting the size of thread-variables of
the executable to 32768 bytes. (Note: being signed makes it match
both model 1 and 2 and allows use of addo.w as the instruction
where this relocation is applied.) Assembly syntax:
"expr:TPOFF16". */
RELOC_NUMBER (R_CRIS_16_TPREL, 29)
/* A linker-generated-only relocation, instructing the dynamic
linker to fill in the current module ID, used for GOT entries
(usually the fourth one). */
RELOC_NUMBER (R_CRIS_DTPMOD, 30)
/* Similar to R_CRIS_32_GOT_TPREL, but the value is the absolute
address of the GOT entry. Disallowed in DSOs created with
-shared. Assembly syntax: "sym:IE". */
RELOC_NUMBER (R_CRIS_32_IE, 31)
/* No other relocs must be visible outside the assembler. */
END_RELOC_NUMBERS (R_CRIS_max)
/* User symbols in this file have a leading underscore. */
#define EF_CRIS_UNDERSCORE 0x00000001
/* This is a mask for different incompatible machine variants. */
#define EF_CRIS_VARIANT_MASK 0x0000000e
/* Variant 0; may contain v0..10 object. */
#define EF_CRIS_VARIANT_ANY_V0_V10 0x00000000
/* Variant 1; contains v32 object. */
#define EF_CRIS_VARIANT_V32 0x00000002
/* Variant 2; contains object compatible with v32 and v10. */
#define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004
#endif /* _ELF_CRIS_H */
|
