firmware: sync exception names and ids #313
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@ -15,7 +15,7 @@
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use core::mem;
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use core::mem;
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use core_io::Error as ReadError;
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use core_io::Error as ReadError;
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use cslice::CSlice;
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use cslice::{AsCSlice, CSlice};
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use dwarf::eh::{self, EHAction, EHContext};
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use dwarf::eh::{self, EHAction, EHContext};
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use io::{Cursor, ProtoRead};
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use io::{Cursor, ProtoRead};
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use libc::{c_int, c_void, uintptr_t};
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use libc::{c_int, c_void, uintptr_t};
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@ -222,8 +222,6 @@ pub unsafe fn artiq_personality(
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}
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}
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pub unsafe extern "C" fn raise(exception: *const Exception) -> ! {
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pub unsafe extern "C" fn raise(exception: *const Exception) -> ! {
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use cslice::AsCSlice;
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let count = EXCEPTION_BUFFER.exception_count;
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let count = EXCEPTION_BUFFER.exception_count;
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let stack = &mut EXCEPTION_BUFFER.exception_stack;
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let stack = &mut EXCEPTION_BUFFER.exception_stack;
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let diff = exception as isize - EXCEPTION_BUFFER.exceptions.as_ptr() as isize;
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let diff = exception as isize - EXCEPTION_BUFFER.exceptions.as_ptr() as isize;
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@ -477,20 +475,28 @@ extern "C" fn stop_fn(
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}
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}
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}
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}
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// Must be kept in sync with preallocate_runtime_exception_names() in artiq/language/embedding_map.py
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// Must be kept in sync with preallocate_runtime_exception_names() in `artiq.compiler.embedding`
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static EXCEPTION_ID_LOOKUP: [(&str, u32); 12] = [
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static EXCEPTION_ID_LOOKUP: [(&str, u32); 20] = [
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("RuntimeError", 0),
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("RTIOUnderflow", 0),
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("RTIOUnderflow", 1),
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("RTIOOverflow", 1),
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("RTIOOverflow", 2),
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("RTIODestinationUnreachable", 2),
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("RTIODestinationUnreachable", 3),
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("DMAError", 3),
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("DMAError", 4),
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("I2CError", 4),
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("I2CError", 5),
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("CacheError", 5),
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("CacheError", 6),
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("SPIError", 6),
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("SPIError", 7),
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("SubkernelError", 7),
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("ZeroDivisionError", 8),
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("AssertionError", 8),
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("IndexError", 9),
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("AttributeError", 9),
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("UnwrapNoneError", 10),
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("IndexError", 10),
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("SubkernelError", 11),
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("IOError", 11),
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("KeyError", 12),
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("NotImplementedError", 13),
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("OverflowError", 14),
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("RuntimeError", 15),
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("TimeoutError", 16),
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("TypeError", 17),
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("ValueError", 18),
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("ZeroDivisionError", 19),
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];
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];
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pub fn get_exception_id(name: &str) -> u32 {
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pub fn get_exception_id(name: &str) -> u32 {
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@ -525,3 +531,29 @@ macro_rules! artiq_raise {
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}};
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}};
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($name:expr, $message:expr) => {{ artiq_raise!($name, $message, 0, 0, 0) }};
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($name:expr, $message:expr) => {{ artiq_raise!($name, $message, 0, 0, 0) }};
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}
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}
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/// Takes as input exception id from host
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/// Generates a new exception with:
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/// * `id` set to `exn_id`
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/// * `message` set to corresponding exception name from `EXCEPTION_ID_LOOKUP`
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///
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/// The message is matched on host to ensure correct exception is being referred
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/// This test checks the synchronization of exception ids for runtime errors
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#[no_mangle]
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pub extern "C" fn test_exception_id_sync(exn_id: u32) {
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let message = EXCEPTION_ID_LOOKUP
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.iter()
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.find_map(|&(name, id)| if id == exn_id { Some(name) } else { None })
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.unwrap_or("unallocated internal exception id");
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let exn = Exception {
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id: exn_id,
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file: file!().as_c_slice(),
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line: 0,
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column: 0,
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function: "test_exception_id_sync".as_c_slice(),
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message: message.as_c_slice(),
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param: [0, 0, 0],
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};
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unsafe { raise(&exn) };
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}
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@ -332,6 +332,13 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
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api!(sp_linalg_schur = linalg::sp_linalg_schur),
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api!(sp_linalg_schur = linalg::sp_linalg_schur),
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api!(sp_linalg_hessenberg = linalg::sp_linalg_hessenberg),
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api!(sp_linalg_hessenberg = linalg::sp_linalg_hessenberg),
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/*
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* syscall for unit tests
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* Used in `artiq.tests.coredevice.test_exceptions.ExceptionTest.test_raise_exceptions_kernel`
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* This syscall checks that the exception IDs used in the Python `EmbeddingMap` (in `artiq.language.embedding`)
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* match the `EXCEPTION_ID_LOOKUP` defined in the firmware (`libksupport::src::eh_artiq`)
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*/
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api!(test_exception_id_sync = eh_artiq::test_exception_id_sync)
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];
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];
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api.iter()
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api.iter()
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.find(|&&(exported, _)| exported.as_bytes() == required)
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.find(|&&(exported, _)| exported.as_bytes() == required)
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