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# `thorin`
`thorin` is an DWARF packaging utility for creating DWARF packages (`*.dwp` files) out of input
DWARF objects (`*.dwo` files; or `*.o` files with `.dwo` sections), supporting both the pre-standard
GNU extension format for DWARF packages and the standardized format introduced in DWARF 5.
`thorin` was written as part of the implementation of Split DWARF in `rustc`. A Rust implementation
of a DWARF packaging utility is easier to integrate into the compiler and can support features like
loading dwarf objects from archive files (or rustc's rlibs) which are helpful in supporting
cross-crate Split DWARF packaging in `rustc`.
## Usage
To use `thorin` in your own project, add it to your `Cargo.toml`:
```toml
thorin-dwp = "0.4.0"
```
See the [`thorin-bin`](../thorin-bin/README.md) crate for an example of using `thorin`'s library
interface.
## Stability
`thorin`'s library interface is intended for use by `rustc` for its *Split DWARF* support, it
currently comes with no stability guarantees and may change at any time.
<br>
#### Name
<sup>
<code>thorin</code> is named after <i>Thorin Oakenshield</i> from <i>The Hobbit</i>, as Thorin is
a dwarf who leads other dwarves. <code>thorin</code> uses the <code>gimli</code> library
(named after a dwarf from <i>Lord of the Rings</i>) to read <i>DWARF</i> format debug information,
the name of which is a medieval fantasy complement to <i>ELF</i>, the file format for executables
and object files.
</sup>
<br>
<sub>
You could also call this project <code>rust-dwp</code>, if you'd prefer that.
</sub>
<br>
#### Author and acknowledgements
<sup>
<code>thorin</code> is authored by <a href="https://davidtw.co">David Wood</a> of <i>Huawei
Technologies Research & Development (UK) Ltd</i>. <code>thorin</code> is maintained by the
<a href="https://rust-lang.org/governance/teams/compiler">Rust Compiler Team</a>.
</sup>
<br>
<sub>
In addition, thanks to the authors of <code>object</code> and <code>gimli</code>, on which this
utility depends heavily; and to <a href="https://github.com/philipc">Philip Craig</a> for advice
and reviews during initial implementation of <code>thorin</code>.
</sub>
<br>
#### License
<sup>
Licensed under either of <a href="https://www.apache.org/licenses/LICENSE-2.0">Apache License,
Version 2.0</a> or <a href="https://opensource.org/licenses/MIT">MIT license</a> at your option.
</sup>
<br>
<sub>
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in
this crate by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without
any additional terms or conditions.
</sub>
<br>
#### Code of conduct
<sup>
When contributing or interacting with this project, we ask abide the
<a href="https://www.rust-lang.org/en-US/conduct.html">Rust Code of Conduct</a> and ask that you do
too.
</sup>
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