39 lines
674 B
Julia
39 lines
674 B
Julia
using Cxx
|
|
|
|
cxx"""
|
|
#include <stdio.h>
|
|
#include <sys/mman.h>
|
|
#include <string.h>
|
|
|
|
int test (int a, int b)
|
|
{
|
|
/*
|
|
mov EAX, [ESP+4]
|
|
add EAX, [ESP+8]
|
|
ret
|
|
*/
|
|
char code[] = {0x8B, 0x44, 0x24, 0x4, 0x3, 0x44, 0x24, 0x8, 0xC3};
|
|
void *buf;
|
|
int c;
|
|
/* copy code to executable buffer */
|
|
buf = mmap (0,sizeof(code),PROT_READ|PROT_WRITE|PROT_EXEC,
|
|
MAP_PRIVATE|MAP_ANON,-1,0);
|
|
|
|
memcpy (buf, code, sizeof(code));
|
|
/* run code */
|
|
c = ((int (*) (int, int))buf)(a, b);
|
|
/* free buffer */
|
|
munmap (buf, sizeof(code));
|
|
return c;
|
|
}
|
|
|
|
int main ()
|
|
{
|
|
printf("%d\n", test(7,12));
|
|
return 0;
|
|
}
|
|
"""
|
|
|
|
julia_function = @cxx main()
|
|
julia_function()
|