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
|
using Ryujinx.Common.Logging;
using Ryujinx.HLE.Exceptions;
using Ryujinx.HLE.HOS.Tamper.CodeEmitters;
using Ryujinx.HLE.HOS.Tamper.Operations;
using System;
using System.Collections.Generic;
namespace Ryujinx.HLE.HOS.Tamper
{
class AtmosphereCompiler
{
public ITamperProgram Compile(IEnumerable<string> rawInstructions, ulong exeAddress, ulong heapAddress, ITamperedProcess process)
{
Logger.Debug?.Print(LogClass.TamperMachine, $"Executable address: {exeAddress:X16}");
Logger.Debug?.Print(LogClass.TamperMachine, $"Heap address: {heapAddress:X16}");
try
{
return CompileImpl(rawInstructions, exeAddress, heapAddress, process);
}
catch(TamperCompilationException exception)
{
// Just print the message without the stack trace.
Logger.Error?.Print(LogClass.TamperMachine, exception.Message);
}
catch (Exception exception)
{
Logger.Error?.Print(LogClass.TamperMachine, exception.ToString());
}
Logger.Error?.Print(LogClass.TamperMachine, "There was a problem while compiling the Atmosphere cheat");
return null;
}
private ITamperProgram CompileImpl(IEnumerable<string> rawInstructions, ulong exeAddress, ulong heapAddress, ITamperedProcess process)
{
CompilationContext context = new CompilationContext(exeAddress, heapAddress, process);
context.BlockStack.Push(new OperationBlock(null));
// Parse the instructions.
foreach (string rawInstruction in rawInstructions)
{
Logger.Debug?.Print(LogClass.TamperMachine, $"Compiling instruction {rawInstruction}");
byte[] instruction = InstructionHelper.ParseRawInstruction(rawInstruction);
CodeType codeType = InstructionHelper.GetCodeType(instruction);
switch (codeType)
{
case CodeType.StoreConstantToAddress:
StoreConstantToAddress.Emit(instruction, context);
break;
case CodeType.BeginMemoryConditionalBlock:
BeginConditionalBlock.Emit(instruction, context);
break;
case CodeType.EndConditionalBlock:
EndConditionalBlock.Emit(instruction, context);
break;
case CodeType.StartEndLoop:
StartEndLoop.Emit(instruction, context);
break;
case CodeType.LoadRegisterWithContant:
LoadRegisterWithConstant.Emit(instruction, context);
break;
case CodeType.LoadRegisterWithMemory:
LoadRegisterWithMemory.Emit(instruction, context);
break;
case CodeType.StoreConstantToMemory:
StoreConstantToMemory.Emit(instruction, context);
break;
case CodeType.LegacyArithmetic:
LegacyArithmetic.Emit(instruction, context);
break;
case CodeType.BeginKeypressConditionalBlock:
BeginConditionalBlock.Emit(instruction, context);
break;
case CodeType.Arithmetic:
Arithmetic.Emit(instruction, context);
break;
case CodeType.StoreRegisterToMemory:
StoreRegisterToMemory.Emit(instruction, context);
break;
case CodeType.BeginRegisterConditionalBlock:
BeginConditionalBlock.Emit(instruction, context);
break;
case CodeType.SaveOrRestoreRegister:
SaveOrRestoreRegister.Emit(instruction, context);
break;
case CodeType.SaveOrRestoreRegisterWithMask:
SaveOrRestoreRegisterWithMask.Emit(instruction, context);
break;
case CodeType.ReadOrWriteStaticRegister:
ReadOrWriteStaticRegister.Emit(instruction, context);
break;
case CodeType.PauseProcess:
PauseProcess.Emit(instruction, context);
break;
case CodeType.ResumeProcess:
ResumeProcess.Emit(instruction, context);
break;
case CodeType.DebugLog:
DebugLog.Emit(instruction, context);
break;
default:
throw new TamperCompilationException($"Code type {codeType} not implemented in Atmosphere cheat");
}
}
// Initialize only the registers used.
Value<ulong> zero = new Value<ulong>(0UL);
int position = 0;
foreach (Register register in context.Registers.Values)
{
context.CurrentOperations.Insert(position, new OpMov<ulong>(register, zero));
position++;
}
if (context.BlockStack.Count != 1)
{
throw new TamperCompilationException($"Reached end of compilation with unmatched conditional(s) or loop(s)");
}
return new AtmosphereProgram(process, context.PressedKeys, new Block(context.CurrentOperations));
}
}
}
|
