extern crate winapi;
extern crate kernel32;

use kernel32::AddVectoredExceptionHandler;

extern "system" {
    pub fn RaiseException(dwExceptionCode: u32,
                          dwExceptionFlags: u32,
                          nNumberOfArguments: u32,
                          lpArguments: *const u64);
}

//pub unsafe extern "system" fn MyExceptionHandler(First: ULONG, Handler: PVECTORED_EXCEPTION_HANDLER) -> PVOID
//fn TraceCallback(ex: winapi::winnt::EXCEPTION_POINTERS) -> winapi::EXCEPTION_DISPOSITION
//pub unsafe extern "system" fn TraceCallback(ex: *mut winapi::winnt::EXCEPTION_POINTERS) -> winapi::EXCEPTION_DISPOSITION
pub unsafe extern "system" fn TraceCallback(ex: *mut winapi::winnt::EXCEPTION_POINTERS) -> i32
{
    //let btf_flag  = 0x300;
    //let trap_flag = 0x100;

    //return winapi::excpt::ExceptionContinueSearch;
    return 0;
}

fn main() {
    unsafe
    {
        AddVectoredExceptionHandler(1, TraceCallback);
        let STATUS_SINGLE_STEP = 0x80000004;
        let v = 0;
        let mut p : *const u64 = &v;
        RaiseException(STATUS_SINGLE_STEP,0,0, p);
    }
}