exception emulation with vectored exception handler & restoring CPU context

test.cpp

#include <windows.h>
#include <stdio.h>

static bool InsideTry;
static CONTEXT ResumeContext;

static LONG WINAPI Handler(struct _EXCEPTION_POINTERS* ExceptionInfo)
{
    printf("inside vectored ex handler\n");
    InsideTry = false;
    RtlRestoreContext(&ResumeContext, NULL);
}

void badstuff()
{
    volatile int* a = 0;
    *a = 1;

    volatile int x = 0;
    x = 1 / x;

    volatile char* p = 0;
    volatile char z = *p;
}

int main()
{
    printf("beginning of main\n");

    PVOID h;
    InsideTry = true;
    RtlCaptureContext(&ResumeContext);
    if (InsideTry)
    {
        // this is "try" part
        printf("setting vectored ex handler\n");
        h = AddVectoredExceptionHandler(1, &Handler);
        printf("calling bad stuff\n");
        badstuff();
        printf("after bad stuff\n"); // never gets printed
    }
    else
    {
        // this is "except" part
    }
    printf("removing vectored ex handler\n");
    RemoveVectoredExceptionHandler(h); // cleanup

    // ...
}