A library for acquiring backtraces at runtime for Rust. This library aims to enhance the support of the standard library by providing a programmatic interface to work with, but it also supports simply easily printing the current backtrace like libstd's panics.
[dependencies]
backtrace = "0.3"To simply capture a backtrace and defer dealing with it until a later time,
you can use the top-level Backtrace type.
use backtrace::Backtrace;
fn main() {
let bt = Backtrace::new();
// do_some_work();
println!("{:?}", bt);
}If, however, you'd like more raw access to the actual tracing functionality, you
can use the trace and resolve functions directly.
fn main() {
backtrace::trace(|frame| {
let ip = frame.ip();
let symbol_address = frame.symbol_address();
// Resolve this instruction pointer to a symbol name
backtrace::resolve_frame(frame, |symbol| {
if let Some(name) = symbol.name() {
// ...
}
if let Some(filename) = symbol.filename() {
// ...
}
});
true // keep going to the next frame
});
}This project is licensed under either of
- Apache License, Version 2.0, (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or https://opensource.org/licenses/MIT)
at your option.
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in backtrace-rs by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.