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
|
using System;
namespace ChocolArm64
{
using System.Reflection.Emit;
static class ILGeneratorEx
{
public static void EmitLdc_I4(this ILGenerator generator, int value)
{
switch (value)
{
case 0: generator.Emit(OpCodes.Ldc_I4_0); break;
case 1: generator.Emit(OpCodes.Ldc_I4_1); break;
case 2: generator.Emit(OpCodes.Ldc_I4_2); break;
case 3: generator.Emit(OpCodes.Ldc_I4_3); break;
case 4: generator.Emit(OpCodes.Ldc_I4_4); break;
case 5: generator.Emit(OpCodes.Ldc_I4_5); break;
case 6: generator.Emit(OpCodes.Ldc_I4_6); break;
case 7: generator.Emit(OpCodes.Ldc_I4_7); break;
case 8: generator.Emit(OpCodes.Ldc_I4_8); break;
case -1: generator.Emit(OpCodes.Ldc_I4_M1); break;
default: generator.Emit(OpCodes.Ldc_I4, value); break;
}
}
public static void EmitLdarg(this ILGenerator generator, int index)
{
switch (index)
{
case 0: generator.Emit(OpCodes.Ldarg_0); break;
case 1: generator.Emit(OpCodes.Ldarg_1); break;
case 2: generator.Emit(OpCodes.Ldarg_2); break;
case 3: generator.Emit(OpCodes.Ldarg_3); break;
default:
if ((uint)index <= byte.MaxValue)
{
generator.Emit(OpCodes.Ldarg_S, (byte)index);
}
else if ((uint)index < ushort.MaxValue)
{
generator.Emit(OpCodes.Ldarg, (short)index);
}
else
{
throw new ArgumentOutOfRangeException(nameof(index));
}
break;
}
}
public static void EmitStarg(this ILGenerator generator, int index)
{
if ((uint)index <= byte.MaxValue)
{
generator.Emit(OpCodes.Starg_S, (byte)index);
}
else if ((uint)index < ushort.MaxValue)
{
generator.Emit(OpCodes.Starg, (short)index);
}
else
{
throw new ArgumentOutOfRangeException(nameof(index));
}
}
public static void EmitLdloc(this ILGenerator generator, int index)
{
switch (index)
{
case 0: generator.Emit(OpCodes.Ldloc_0); break;
case 1: generator.Emit(OpCodes.Ldloc_1); break;
case 2: generator.Emit(OpCodes.Ldloc_2); break;
case 3: generator.Emit(OpCodes.Ldloc_3); break;
default:
if ((uint)index <= byte.MaxValue)
{
generator.Emit(OpCodes.Ldloc_S, (byte)index);
}
else if ((uint)index < ushort.MaxValue)
{
generator.Emit(OpCodes.Ldloc, (short)index);
}
else
{
throw new ArgumentOutOfRangeException(nameof(index));
}
break;
}
}
public static void EmitStloc(this ILGenerator generator, int index)
{
switch (index)
{
case 0: generator.Emit(OpCodes.Stloc_0); break;
case 1: generator.Emit(OpCodes.Stloc_1); break;
case 2: generator.Emit(OpCodes.Stloc_2); break;
case 3: generator.Emit(OpCodes.Stloc_3); break;
default:
if ((uint)index <= byte.MaxValue)
{
generator.Emit(OpCodes.Stloc_S, (byte)index);
}
else if ((uint)index < ushort.MaxValue)
{
generator.Emit(OpCodes.Stloc, (short)index);
}
else
{
throw new ArgumentOutOfRangeException(nameof(index));
}
break;
}
}
public static void EmitLdargSeq(this ILGenerator generator, int count)
{
for (int index = 0; index < count; index++)
{
generator.EmitLdarg(index);
}
}
}
}
|
