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
|
#include "as_op.h"
#include <string.h>
struct op_table_entry {
enum op op;
const char* name;
};
struct op_table_entry op_table [] = {
// OP_SP, OP_SSP, OP_BP, OP_SBP, OP_PC, OP_RV, OP_SRV,
{OP_SP, "sp"},
{OP_SSP, "ssp"},
{OP_BP, "bp"},
{OP_SBP, "sbp"},
{OP_PC, "pc"},
{OP_RV, "rv"},
{OP_SRV, "srv"},
// OP_IMM,
{OP_IMM, "imm"},
{OP_IMM, "rel"},
// OP_LD8, OP_LD16, OP_LD32, OP_LD,
{OP_LD8, "ld8"},
{OP_LD16, "ld16"},
{OP_LD32, "ld32"},
{OP_LD, "ld"},
// OP_ST8, OP_ST16, OP_ST32, OP_ST,
{OP_ST8, "st8"},
{OP_ST16, "st16"},
{OP_ST32, "st32"},
{OP_ST, "st"},
// OP_DUP, OP_POP, OP_SWAP, OP_OVER, OP_ROT,
{OP_DUP, "dup"},
{OP_POP, "pop"},
{OP_SWAP, "swap"},
{OP_OVER, "over"},
{OP_ROT, "rot"},
// OP_ADD, OP_SUB, OP_DIV, OP_MUL, OP_MOD,
{OP_ADD, "add"},
{OP_SUB, "sub"},
{OP_DIV, "div"},
{OP_MUL, "mul"},
{OP_MOD, "mod"},
// OP_SHR, OP_SHL, OP_SAR,
{OP_SHR, "shr"},
{OP_SHL, "shl"},
{OP_SAR, "sar"},
// OP_AND, OP_OR, OP_NOT,
{OP_AND, "and"},
{OP_OR, "or"},
{OP_NOT, "not"},
// OP_BITAND, OP_BITOR, OP_XOR, OP_INVERT,
{OP_BITAND, "bitand"},
{OP_BITOR, "bitor"},
{OP_XOR, "xor"},
{OP_INVERT, "invert"},
// OP_GT, OP_LT, OP_GE, OP_LE, OP_EQ, OP_NEQ,
{OP_GT, "gt"},
{OP_LT, "lt"},
{OP_GE, "ge"},
{OP_LE, "le"},
{OP_EQ, "eq"},
{OP_NEQ, "neq"},
// OP_JMP, OP_JZ, OP_JNZ, OP_RET, OP_CALL, OP_SYSCALL,
{OP_JMP, "jmp"},
{OP_JZ, "jz"},
{OP_JNZ, "jnz"},
{OP_RET, "ret"},
{OP_CALL, "call"},
{OP_SYSCALL, "syscall"},
// OP_FADD, OP_FSUB, OP_FMUL, OP_FDIV,
{OP_FADD, "fadd"},
{OP_FSUB, "fsub"},
{OP_FMUL, "fmul"},
{OP_FDIV, "fdiv"},
// OP_FGE, OP_FGT, OP_FLE, OP_FLT, OP_FEQ, OP_FNEQ,
{OP_FGE, "fge"},
{OP_FGT, "fgt"},
{OP_FLT, "flt"},
{OP_FEQ, "feq"},
{OP_FNEQ, "fneq"},
// OP_FTI, OP_ITF,
{OP_FTI, "fti"},
{OP_ITF, "itf"},
// OP_EXIT,
{OP_EXIT, "exit"},
// OP_LDARG, OP_LDVAR, OP_STARG, OP_STVAR,
{OP_LDARG, "ldarg"},
{OP_LDVAR, "ldvar"},
{OP_STARG, "starg"},
{OP_STVAR, "stvar"},
{OP_END, NULL},
};
int op_size(enum op op) {
if (op == OP_IMM || op == OP_REL) {
return 8 + 1;
}
if (op == OP_CALL
|| op == OP_JMP
|| op == OP_JNZ
|| op == OP_JZ
|| op == OP_SYSCALL) {
return 8 + 1 + 1;
}
if (op == OP_LDARG || op == OP_STARG) {
return 9 + 9 + 1 + 9 + 4;
}
if (op == OP_LDVAR || op == OP_STVAR) {
return 9 + 9 + 2 + 9 + 4;
}
return 1;
}
int is_pseudo_op(enum op op) {
if (op == OP_LDARG || op == OP_STARG) {
return 1;
}
if (op == OP_LDVAR || op == OP_STVAR) {
return 1;
}
return 0;
}
enum op str2op(const char* str) {
for (int i = 0; op_table[i].name != NULL; i++) {
if (strcmp(op_table[i].name, str) == 0) {
return op_table[i].op;
}
}
return OP_END;
}
int is_op(const char *str) {
return OP_END != str2op(str);
}
|
