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
|
/* Disassembler structures definitions for the ARC.
Copyright (C) 1994-2021 Free Software Foundation, Inc.
Contributed by Claudiu Zissulescu (claziss@synopsys.com)
This file is part of libopcodes.
This library 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, or (at your option)
any later version.
It 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 ARCDIS_H
#define ARCDIS_H
#ifdef __cplusplus
extern "C" {
#endif
enum arc_ldst_writeback_mode
{
ARC_WRITEBACK_NO = 0,
ARC_WRITEBACK_AW = 1,
ARC_WRITEBACK_A = ARC_WRITEBACK_AW,
ARC_WRITEBACK_AB = 2,
ARC_WRITEBACK_AS = 3,
};
enum arc_ldst_data_size
{
ARC_SCALING_NONE = 4,
ARC_SCALING_B = 1,
ARC_SCALING_H = 2,
ARC_SCALING_D = 8,
};
enum arc_condition_code
{
ARC_CC_AL = 0x0,
ARC_CC_RA = ARC_CC_AL,
ARC_CC_EQ = 0x1,
ARC_CC_Z = ARC_CC_EQ,
ARC_CC_NE = 0x2,
ARC_CC_NZ = ARC_CC_NE,
ARC_CC_PL = 0x3,
ARC_CC_P = ARC_CC_PL,
ARC_CC_MI = 0x4,
ARC_CC_N = ARC_CC_MI,
ARC_CC_CS = 0x5,
ARC_CC_C = ARC_CC_CS,
ARC_CC_LO = ARC_CC_CS,
ARC_CC_CC = 0x6,
ARC_CC_NC = ARC_CC_CC,
ARC_CC_HS = ARC_CC_CC,
ARC_CC_VS = 0x7,
ARC_CC_V = ARC_CC_VS,
ARC_CC_VC = 0x8,
ARC_CC_NV = ARC_CC_VC,
ARC_CC_GT = 0x9,
ARC_CC_GE = 0xA,
ARC_CC_LT = 0xB,
ARC_CC_LE = 0xC,
ARC_CC_HI = 0xD,
ARC_CC_LS = 0xE,
ARC_CC_PNZ = 0xF,
ARC_CC_UNDEF0 = 0x10,
ARC_CC_UNDEF1 = 0x11,
ARC_CC_UNDEF2 = 0x12,
ARC_CC_UNDEF3 = 0x13,
ARC_CC_UNDEF4 = 0x14,
ARC_CC_UNDEF5 = 0x15,
ARC_CC_UNDEF6 = 0x16,
ARC_CC_UNDEF7 = 0x17,
ARC_CC_UNDEF8 = 0x18,
ARC_CC_UNDEF9 = 0x19,
ARC_CC_UNDEFA = 0x1A,
ARC_CC_UNDEFB = 0x1B,
ARC_CC_UNDEFC = 0x1C,
ARC_CC_UNDEFD = 0x1D,
ARC_CC_UNDEFE = 0x1E,
ARC_CC_UNDEFF = 0x1F
};
enum arc_operand_kind
{
ARC_OPERAND_KIND_UNKNOWN = 0,
ARC_OPERAND_KIND_REG,
ARC_OPERAND_KIND_SHIMM,
ARC_OPERAND_KIND_LIMM
};
struct arc_insn_operand
{
/* Operand value as encoded in instruction. */
unsigned long value;
enum arc_operand_kind kind;
};
/* Container for information about instruction. Provides a higher
level access to data that is contained in struct arc_opcode. */
struct arc_instruction
{
/* Address of this instruction. */
bfd_vma address;
/* Whether this is a valid instruction. */
bfd_boolean valid;
insn_class_t insn_class;
/* Length (without LIMM). */
unsigned length;
/* Is there a LIMM in this instruction? */
int limm_p;
/* Long immediate value. */
unsigned limm_value;
/* Is it a branch/jump instruction? */
int is_control_flow;
/* Whether this instruction has a delay slot. */
int has_delay_slot;
/* Value of condition code field. */
enum arc_condition_code condition_code;
/* Load/store writeback mode. */
enum arc_ldst_writeback_mode writeback_mode;
/* Load/store data size. */
enum arc_ldst_data_size data_size_mode;
/* Amount of operands in instruction. Note that amount of operands
reported by opcodes disassembler can be different from the one
encoded in the instruction. Notable case is "ld a,[b,offset]",
when offset == 0. In this case opcodes disassembler presents
this instruction as "ld a,[b]", hence there are *two* operands,
not three. OPERANDS_COUNT and OPERANDS contain only those
explicit operands, hence it is up to invoker to handle the case
described above based on instruction opcodes. Another notable
thing is that in opcodes disassembler representation square
brackets (`[' and `]') are so called fake-operands - they are in
the list of operands, but do not have any value of they own.
Those "operands" are not present in this array. */
struct arc_insn_operand operands[MAX_INSN_ARGS];
unsigned int operands_count;
};
/* Fill INSN with data about instruction at specified ADDR. */
void arc_insn_decode (bfd_vma addr,
struct disassemble_info *di,
disassembler_ftype func,
struct arc_instruction *insn);
#ifdef __cplusplus
}
#endif
#endif
|
