artiq/artiq/test/libartiq_support/lib.rs
whitequark 25c9b8827a firmware: mark __artiq_{re,}raise as #[unwind].
This is required for correctness.
2017-02-05 09:04:22 +00:00

71 lines
1.8 KiB
Rust

#![feature(libc, panic_unwind, unwind_attributes)]
#![crate_name = "artiq_support"]
#![crate_type = "cdylib"]
extern crate std as core;
extern crate libc;
extern crate unwind;
// Note: this does *not* match the cslice crate!
// ARTIQ Python has the slice length field fixed at 32 bits, even on 64-bit platforms.
mod cslice {
use core::marker::PhantomData;
use core::convert::AsRef;
use core::slice;
#[repr(C)]
#[derive(Clone, Copy)]
pub struct CSlice<'a, T> {
base: *const T,
len: u32,
phantom: PhantomData<&'a ()>
}
impl<'a, T> CSlice<'a, T> {
pub fn len(&self) -> usize {
self.len as usize
}
}
impl<'a, T> AsRef<[T]> for CSlice<'a, T> {
fn as_ref(&self) -> &[T] {
unsafe {
slice::from_raw_parts(self.base, self.len as usize)
}
}
}
}
#[path = "../../firmware/ksupport/eh.rs"]
pub mod eh;
use std::{str, process};
fn terminate(exception: &eh::Exception, mut _backtrace: &mut [usize]) -> ! {
println!("Uncaught {}: {} ({}, {}, {})",
str::from_utf8(exception.name.as_ref()).unwrap(),
str::from_utf8(exception.message.as_ref()).unwrap(),
exception.param[0],
exception.param[1],
exception.param[2]);
println!("at {}:{}:{}",
str::from_utf8(exception.file.as_ref()).unwrap(),
exception.line,
exception.column);
process::exit(1);
}
#[export_name = "now"]
pub static mut NOW: i64 = 0;
#[export_name = "watchdog_set"]
pub extern fn watchdog_set(ms: i64) -> i32 {
println!("watchdog_set {}", ms);
ms as i32
}
#[export_name = "watchdog_clear"]
pub extern fn watchdog_clear(id: i32) {
println!("watchdog_clear {}", id);
}