不确定linux，但这适用于x86 / windows。
更新：http：//prepad.org/sQoF6kR8
#include <stdio.h>#include <windows.h>typedef unsigned char byte;int arg1;int arg2;int res1;typedef void (*pfunc)(void);union funcptr { pfunc x; byte* y;};int main( void ) { byte* buf = (byte*)VirtualAllocEx( GetCurrentProcess(), 0, 1<<16, MEM_COMMIT, PAGE_EXECUTE_READWRITE ); if( buf==0 ) return 0; byte* p = buf; *p++ = 0x50; // push eax *p++ = 0x52; // push edx *p++ = 0xA1; // mov eax, [arg2] (int*&)p[0] = &arg2; p+=sizeof(int*); *p++ = 0x92; // xchg edx,eax *p++ = 0xA1; // mov eax, [arg1] (int*&)p[0] = &arg1; p+=sizeof(int*); *p++ = 0xF7; *p++ = 0xEA; // imul edx *p++ = 0xA3; // mov [res1],eax (int*&)p[0] = &res1; p+=sizeof(int*); *p++ = 0x5A; // pop edx *p++ = 0x58; // pop eax *p++ = 0xC3; // ret funcptr func; func.y = buf; arg1 = 123; arg2 = 321; res1 = 0; func.x(); // call generated pre printf( "arg1=%i arg2=%i arg1*arg2=%i func(arg1,arg2)=%in", arg1,arg2,arg1*arg2,res1 );}
