1 | /* Capstone Disassembly Engine */ |
2 | /* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013-2014 */ |
3 | |
4 | #if defined(CAPSTONE_HAS_OSXKERNEL) |
5 | #include <libkern/libkern.h> |
6 | #else |
7 | #include <stdio.h> |
8 | #include <stdlib.h> |
9 | #endif |
10 | #include <string.h> |
11 | |
12 | #include "MCInst.h" |
13 | #include "utils.h" |
14 | |
15 | #define MCINST_CACHE (ARR_SIZE(mcInst->Operands) - 1) |
16 | |
17 | void MCInst_Init(MCInst *inst) |
18 | { |
19 | inst->OpcodePub = 0; |
20 | inst->size = 0; |
21 | inst->has_imm = false; |
22 | inst->op1_size = 0; |
23 | inst->writeback = false; |
24 | } |
25 | |
26 | void MCInst_clear(MCInst *inst) |
27 | { |
28 | inst->size = 0; |
29 | } |
30 | |
31 | // do not free @Op |
32 | void MCInst_insert0(MCInst *inst, int index, MCOperand *Op) |
33 | { |
34 | int i; |
35 | |
36 | for(i = inst->size; i > index; i--) |
37 | //memcpy(&(inst->Operands[i]), &(inst->Operands[i-1]), sizeof(MCOperand)); |
38 | inst->Operands[i] = inst->Operands[i-1]; |
39 | |
40 | inst->Operands[index] = *Op; |
41 | inst->size++; |
42 | } |
43 | |
44 | void MCInst_setOpcode(MCInst *inst, unsigned Op) |
45 | { |
46 | inst->Opcode = Op; |
47 | } |
48 | |
49 | void MCInst_setOpcodePub(MCInst *inst, unsigned Op) |
50 | { |
51 | inst->OpcodePub = Op; |
52 | } |
53 | |
54 | unsigned MCInst_getOpcode(const MCInst *inst) |
55 | { |
56 | return inst->Opcode; |
57 | } |
58 | |
59 | unsigned MCInst_getOpcodePub(const MCInst *inst) |
60 | { |
61 | return inst->OpcodePub; |
62 | } |
63 | |
64 | MCOperand *MCInst_getOperand(MCInst *inst, unsigned i) |
65 | { |
66 | return &inst->Operands[i]; |
67 | } |
68 | |
69 | unsigned MCInst_getNumOperands(const MCInst *inst) |
70 | { |
71 | return inst->size; |
72 | } |
73 | |
74 | // This addOperand2 function doesnt free Op |
75 | void MCInst_addOperand2(MCInst *inst, MCOperand *Op) |
76 | { |
77 | inst->Operands[inst->size] = *Op; |
78 | |
79 | inst->size++; |
80 | } |
81 | |
82 | void MCOperand_Init(MCOperand *op) |
83 | { |
84 | op->Kind = kInvalid; |
85 | op->FPImmVal = 0.0; |
86 | } |
87 | |
88 | bool MCOperand_isValid(const MCOperand *op) |
89 | { |
90 | return op->Kind != kInvalid; |
91 | } |
92 | |
93 | bool MCOperand_isReg(const MCOperand *op) |
94 | { |
95 | return op->Kind == kRegister; |
96 | } |
97 | |
98 | bool MCOperand_isImm(const MCOperand *op) |
99 | { |
100 | return op->Kind == kImmediate; |
101 | } |
102 | |
103 | bool MCOperand_isFPImm(const MCOperand *op) |
104 | { |
105 | return op->Kind == kFPImmediate; |
106 | } |
107 | |
108 | /// getReg - Returns the register number. |
109 | unsigned MCOperand_getReg(const MCOperand *op) |
110 | { |
111 | return op->RegVal; |
112 | } |
113 | |
114 | /// setReg - Set the register number. |
115 | void MCOperand_setReg(MCOperand *op, unsigned Reg) |
116 | { |
117 | op->RegVal = Reg; |
118 | } |
119 | |
120 | int64_t MCOperand_getImm(MCOperand *op) |
121 | { |
122 | return op->ImmVal; |
123 | } |
124 | |
125 | void MCOperand_setImm(MCOperand *op, int64_t Val) |
126 | { |
127 | op->ImmVal = Val; |
128 | } |
129 | |
130 | double MCOperand_getFPImm(const MCOperand *op) |
131 | { |
132 | return op->FPImmVal; |
133 | } |
134 | |
135 | void MCOperand_setFPImm(MCOperand *op, double Val) |
136 | { |
137 | op->FPImmVal = Val; |
138 | } |
139 | |
140 | MCOperand *MCOperand_CreateReg1(MCInst *mcInst, unsigned Reg) |
141 | { |
142 | MCOperand *op = &(mcInst->Operands[MCINST_CACHE]); |
143 | |
144 | op->Kind = kRegister; |
145 | op->RegVal = Reg; |
146 | |
147 | return op; |
148 | } |
149 | |
150 | void MCOperand_CreateReg0(MCInst *mcInst, unsigned Reg) |
151 | { |
152 | MCOperand *op = &(mcInst->Operands[mcInst->size]); |
153 | mcInst->size++; |
154 | |
155 | op->Kind = kRegister; |
156 | op->RegVal = Reg; |
157 | } |
158 | |
159 | MCOperand *MCOperand_CreateImm1(MCInst *mcInst, int64_t Val) |
160 | { |
161 | MCOperand *op = &(mcInst->Operands[MCINST_CACHE]); |
162 | |
163 | op->Kind = kImmediate; |
164 | op->ImmVal = Val; |
165 | |
166 | return op; |
167 | } |
168 | |
169 | void MCOperand_CreateImm0(MCInst *mcInst, int64_t Val) |
170 | { |
171 | MCOperand *op = &(mcInst->Operands[mcInst->size]); |
172 | mcInst->size++; |
173 | |
174 | op->Kind = kImmediate; |
175 | op->ImmVal = Val; |
176 | } |
177 | |