#include <iostream>
#include <sys/mman.h>
#include <string.h>
 
typedef unsigned char UC;
const static UC v[]={0x55,0x48,0x89,0xe5,0xb8,0x4b,0x0,0x0,0x0,0x5d,0xc3};
const static UC z[]={0x55,0x48,0x89,0xe5,0x89,0xf8,0x88,0x45,0xfc,0x80,0x7d,0xfc,0x0,0x74,0x7,0xb8,0x14,0x0,0x0,0x0,0xeb,0x5,0xb8,0x1e,0x0,0x0,0x0,0x5d,0xc3};
 
int main(){
    void* w=mmap(0,100,PROT_EXEC|PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0);
    int n=11;
	memcpy(w,v,n);
    int(*a)()=(int(*)())w;
    std::cout<<a()<<std::endl;
    n=sizeof(z);
    memcpy(w,z,n);
    int(*x)(bool)=(int(*)(bool))w;
    std::cout<<x(1)<<std::endl;
    std::cout<<x(0)<<std::endl;
    return 0;
}
 

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