Function fail_entry

example/default_rust/src/lib.rs:287–324

(errc: u64, addr: u64)

#[no_mangle]
fn fail_entry(errc: u64, addr: u64) {
    let ret: bsl::ErrcType;

    // NOTE:
    // - Call into the fast fail handler. This entry point serves as a
    //   trampoline between C and C++. Specifically, the microkernel
    //   cannot call a member function directly, and can only call
    //   a C style function.
    //

    unsafe {
        ret = dispatch_fail(
            &G_GS,
            &G_TLS,
            &G_SYS,
            &G_INTRINSIC,
            &G_VP_POOL,
            &G_VS_POOL,
            bsl::to_u64(errc),
            bsl::to_u64(addr),
        );
    }

    if !ret {
        print_v!("{}", bsl::here());
        syscall::bf_control_op_exit();
        return;
    }

    // NOTE:
    // - This code should never be reached. The fast fail handler should
    //   always call one of the "run" ABIs to return back to the
    //   microkernel when a fast fail is finished. If this is called, it
    //   is because the fast fail handler returned with an error.
    //

    syscall::bf_control_op_exit();
}

#[no_mangle]
pub fn ext_main_entry(version: u32) -> i32 {