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The new version of breakpad imported in bug 1309172 doesn't demangle rust symbols at all, contrary to before, where it tried to C++ demangle them, which worked for many, although far from all. It however has rust-demangle support as long as it's linked against a copy of the rust-demangle-capi crate from https://github.com/luser/rust-demangle-capi/ This imports the code from the rust-demangle-capi crate but because of some build system complications it's not taken as-is: - it uses rusty-cheddar, which is deprecated, to generate a C header. - rusty-cheddar depends on syntex_syntax, which now fails to build. - rust-demangle-capi has crate-type staticlib, which can't be used as a dependency in a Cargo.toml. For that reason, we can't create a fake crate that depends on it to have it vendored. Overall, it's only a few lines of rust, and the C header can be written manually, so this is what we do here. The created crate is named in a way specific to dump_syms. The build system doesn't know how to figure out what system libraries are required to link rust static libraries, although the rust compiler has /some/ support to get the information, so we handle that manually. --HG-- extra : rebase_source : 9f5a9bfe2148d3040e11c7121a88e85a7f2d5c53
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rustc-demangle
Symbol demangling for Rust
License
This project is licensed under either of
- Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
at your option.
Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in rustc-demangle you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.