#include <stdio.h>

#include <Windows.h>

#include <string.h>

class CTest

{

public:

    void Init()

    {

        m_nSize = 100;

        m_pContent = new char[m_nSize];

        strcpy(m_pContent,"hello world!");

    }

    void Show()

    {

        printf("%s\n",m_pContent);

    }

    void Destory()

    {

        if (m_pContent)

        {

            delete[] m_pContent;

            m_pContent = NULL;

        }

        m_nSize = 0;

    }

private:

    int m_nSize;

    char* m_pContent;

};

extern "C" void __stdcall InitTest(DWORD pThis,DWORD pFunc);

extern "C" int __stdcall bswap_func(int InputVar);

int main(int agrc,char* argv[])

{

    CTest* pTest = new CTest();

#ifdef TEST_ASM_INFILE

    _asm

    {

        mov eax,pTest

        call CTest::Init

    }

#else

    void (__thiscall CTest::* pFunc)(void) = &CTest::Init;

    InitTest((DWORD)pTest,*(DWORD*)&pFunc);

#endif

    pTest->Show();

    pTest->Destory();

    delete pTest;

    int nTest = 0x12345678;

    int nResult = bswap_func(nTest);

    printf("Original number:0x%x reverse number:0x%x\n",nTest,nResult);

    return 0;

}

.686

.model flat, stdcall

.code

InitTest proc pThis:DWORD,pFunc:DWORD

    mov ecx,pThis

    call pFunc

    ret

InitTest endp

bswap_func proc InVar:DWORD

    mov        eax,    InVar

    bswap    eax

    ret

bswap_func endp

end