1 // Copyright 2025 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 use core::panic::PanicInfo; 16 17 use pw_log::fatal; 18 19 use crate::arch::{Arch, ArchInterface}; 20 21 // Temporary panic handler. 22 // 23 // This is very useful for debugging but the Rust panic infrastructure is quite 24 // heavy weight and not appropriate for production. 25 #[panic_handler] panic(info: &PanicInfo) -> !26fn panic(info: &PanicInfo) -> ! { 27 let msg = info.message().as_str().unwrap_or(""); 28 if let Some(location) = info.location() { 29 fatal!("Panic at {}:{}: {}", location.file(), location.line(), msg); 30 } else { 31 fatal!("Panic: {}", msg); 32 } 33 34 <Arch as ArchInterface>::panic() 35 } 36