| // Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| //! Symbolication strategy using `dladdr` |
| //! |
| //! The `dladdr` API is available on most Unix implementations but it's quite |
| //! basic, not handling inline frame information at all. Since it's so prevalent |
| //! though we have an option to use it! |
| |
| use crate::symbolize::{dladdr, ResolveWhat, SymbolName}; |
| use crate::types::BytesOrWideString; |
| use core::ffi::c_void; |
| |
| pub struct Symbol<'a>(dladdr::Symbol<'a>); |
| |
| impl Symbol<'_> { |
| pub fn name(&self) -> Option<SymbolName> { |
| self.0.name() |
| } |
| |
| pub fn addr(&self) -> Option<*mut c_void> { |
| self.0.addr() |
| } |
| |
| pub fn filename_raw(&self) -> Option<BytesOrWideString> { |
| self.0.filename_raw() |
| } |
| |
| #[cfg(feature = "std")] |
| pub fn filename(&self) -> Option<&::std::path::Path> { |
| self.0.filename() |
| } |
| |
| pub fn lineno(&self) -> Option<u32> { |
| self.0.lineno() |
| } |
| } |
| |
| pub unsafe fn resolve(what: ResolveWhat, cb: &mut FnMut(&super::Symbol)) { |
| dladdr::resolve(what.address_or_ip(), &mut |sym| { |
| cb(&super::Symbol { inner: Symbol(sym) }) |
| }); |
| } |