VC#.net ASM 汇编讨论

[相思梦]

[DllImportAttribute("Kernel32.dll", EntryPoint = "VirtualAlloc")] 
        public static extern IntPtr VirtualAlloc(IntPtr address, int size, uint allocType, uint protect); 
        [DllImportAttribute("Kernel32.dll", EntryPoint = "VirtualFree")] 
        public static extern bool VirtualFree(IntPtr address, int size, uint freeType); 
        const uint MEM_COMMIT = 0x1000; 
        const uint MEM_RESERVE = 0x2000; 
        const uint PAGE_EXECUTE_READWRITE = 0x40; 
        const uint MEM_RELEASE = 0x8000; 

static string GetCpuName() // 取CPU名称
{
            byte[] codeBytes = { 96, 184, 2, 0, 0, 128, 15, 162, 139, 117, 252, 54, 137, 6, 54, 137, 94, 4, 54, 137, 78, 8, 54, 137, 86, 12, 184, 3, 0, 0, 128, 15, 162, 54, 137, 70, 16, 54, 137, 94, 20, 54, 137, 78, 24, 54, 137, 86, 28, 184, 4, 0, 0, 128, 15, 162, 54, 137, 70, 32, 54, 137, 94, 36, 54, 137, 78, 40, 54, 137, 86, 44, 97 };
            IntPtr handle = IntPtr.Zero;
            handle = VirtualAlloc(IntPtr.Zero, codeBytes.Length, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
            return null;
}

' PUSHAD
' MOV EAX, 80000002
' CPUID
' MOV ESI, DWORD PTR SS:[EBP-4]
' MOV DWORD PTR SS:[ESI], EAX
' MOV DWORD PTR SS:[ESI+4], EBX
' MOV DWORD PTR SS:[ESI+8], ECX
' MOV DWORD PTR SS:[ESI+C], EDX
' MOV EAX, 80000003
' CPUID
' MOV DWORD PTR SS:[ESI+10], EAX
' MOV DWORD PTR SS:[ESI+14], EBX
' MOV DWORD PTR SS:[ESI+18], ECX
' MOV DWORD PTR SS:[ESI+1C], EDX
' MOV EAX, 80000004
' CPUID
' MOV DWORD PTR SS:[ESI+20], EAX
' MOV DWORD PTR SS:[ESI+24], EBX
' MOV DWORD PTR SS:[ESI+28], ECX
' MOV DWORD PTR SS:[ESI+2C], EDX
' POPAD

问题，当利用VirtualAlloc函数动态调用时程式
直接退出，求解如是

[devmiao]

需要关掉操作系统的DEP（数据执行保护）功能。Win7需要权限，并且禁用杀毒软件。

[相思梦]

DEP早就关了，没用。
E可以实现，C#死程序

[jwh2004]

同意楼上，用VC的ATL方式编程生成dll，然后C#调用dll。 将汇编嵌入在VC中。

[laviewpbt]

用C#嵌入汇编吃力不讨好，直接把核心部分用C内嵌汇编，然后编译成标准的DLL，供C#调用最方便。

[相思梦]

引用 3 楼 laviewpbt 的回复:

用C#嵌入汇编吃力不讨好，直接把核心部分用C内嵌汇编，然后编译成标准的DLL，供C#调用最方便。

也不能这样说。虽然用VC __asm{ } 汇编代码放置进出。封装类库即可实现 但我们的主题是讨论C#自身实现汇编