| // Copyright 2024 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| use crate::print_rust_log; |
| use std::panic::PanicHookInfo; |
| |
| /// Routes `panic!` and similar macros to `LOG(FATAL)`. |
| pub(crate) fn init() { |
| // We don't call `std::panic::take_hook` to store and use the old/default hook. |
| // Among other things this means that `RUST_BACKTRACE=1` has no effect on |
| // Chromium binaries/tests. This seems okay, because `LOG(FATAL)` should |
| // print the callstack (and task trace, crash keys, etc.). |
| std::panic::set_hook(Box::new(panic_hook)); |
| } |
| |
| fn panic_hook(info: &PanicHookInfo<'_>) { |
| print_rust_log::print_rust_log( |
| &format_args!("{info}"), |
| info.location().map(|loc| loc.file_as_c_str()).unwrap_or(c"<unknown file>"), |
| info.location().map(|loc| loc.line()), |
| print_rust_log::LogSeverity::Fatal, |
| ) |
| } |
