1、extern "C" int __cdecl mainCRTStartup(void); //注意：若源文件是.c结尾的话，不需要这一句
2、 __asm
{
MOV EAX, OFFSET main
MOV BYTE PTR[EAX], 0xB8 //MOV EAX, 0x //mov
MOV DWORD PTR[EAX+1], OFFSET SHOWSTRING //将printf语句地址放在eax+1处
MOV WORD PTR[EAX+5], 0xE0FF // JMP EAX:FFE0
}
3、#include "stdio.h"
extern "C" int __cdecl mainCRTStartup(void); //注意：若源文件是.c结尾的话，不需要这一句
void print()
{
#pragma comment(linker, "/entry:print")
#pragma comment(linker, "/SECTION:.text,ERW")
#pragma comment(lib, "msvcrt.lib")
int mainCRTStartup();
void main();
__asm
{
MOV EAX, OFFSET main
MOV BYTE PTR[EAX], 0xB8 //MOV EAX, 0x //mov
MOV DWORD PTR[EAX+1], OFFSET SHOWSTRING //将printf语句地址放在eax+1处
MOV WORD PTR[EAX+5], 0xE0FF // JMP EAX:FFE0
}
mainCRTStartup();
// __asm
// {
// leave
// ret
// }
SHOWSTRING:
printf("hello,world!\n");
__asm
{
xor eax,eax
ret
}
}
void main()
{
}
