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2023-08-20scripts: generate_rust_analyzer: provide `cfg`s for `core` and `alloc`Martin Rodriguez Reboredo1-2/+14
Both `core` and `alloc` have their `cfgs` (such as `no_rc`) missing in `rust-project.json`. To remedy this, pass the flags to `generate_rust_analyzer.py` for them to be added to a dictionary where each key corresponds to a crate and each value to a list of `cfg`s. The dictionary is then used to pass the `cfg`s to each crate in the generated file (for `core` and `alloc` only). Signed-off-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com> Link: https://lore.kernel.org/r/20230804171448.54976-1-yakoyoku@gmail.com [ Removed `Suggested-by` as discussed in mailing list. ] Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2023-08-07scripts: `make rust-analyzer` for out-of-tree modulesVinay Varma1-9/+18
Adds support for out-of-tree rust modules to use the `rust-analyzer` make target to generate the rust-project.json file. The change involves adding an optional parameter `external_src` to the `generate_rust_analyzer.py` which expects the path to the out-of-tree module's source directory. When this parameter is passed, I have chosen not to add the non-core modules (samples and drivers) into the result since these are not expected to be used in third party modules. Related changes are also made to the Makefile and rust/Makefile allowing the `rust-analyzer` target to be used for out-of-tree modules as well. Link: https://github.com/Rust-for-Linux/linux/pull/914 Link: https://github.com/Rust-for-Linux/rust-out-of-tree-module/pull/2 Signed-off-by: Vinay Varma <varmavinaym@gmail.com> Link: https://lore.kernel.org/r/20230411091714.130525-1-varmavinaym@gmail.com Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2023-04-07scripts: generate_rust_analyzer: Handle sub-modules with no MakefileAsahi Lina1-1/+4
More complex drivers might want to use modules to organize their Rust code, but those module folders do not need a Makefile. generate_rust_analyzer.py currently crashes on those. Fix it so that a missing Makefile is silently ignored. Link: https://github.com/Rust-for-Linux/linux/pull/883 Signed-off-by: Asahi Lina <lina@asahilina.net> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2022-12-04rust: add `build_error` crateGary Guo1-1/+7
The `build_error` crate provides a function `build_error` which will panic at compile-time if executed in const context and, by default, will cause a build error if not executed at compile time and the optimizer does not optimise away the call. The `CONFIG_RUST_BUILD_ASSERT_ALLOW` kernel option allows to relax the default build failure and convert it to a runtime check. If the runtime check fails, `panic!` will be called. Its functionality will be exposed to users as a couple macros in the `kernel` crate in the following patch, thus some documentation here refers to them for simplicity. Signed-off-by: Gary Guo <gary@garyguo.net> Reviewed-by: Wei Liu <wei.liu@kernel.org> [Reworded, adapted for upstream and applied latest changes] Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
2022-09-28scripts: add `generate_rust_analyzer.py`Miguel Ojeda1-0/+135
The `generate_rust_analyzer.py` script generates the configuration file (`rust-project.json`) for rust-analyzer. rust-analyzer is a modular compiler frontend for the Rust language. It provides an LSP server which can be used in editors such as VS Code, Emacs or Vim. Reviewed-by: Kees Cook <keescook@chromium.org> Co-developed-by: Alex Gaynor <alex.gaynor@gmail.com> Signed-off-by: Alex Gaynor <alex.gaynor@gmail.com> Co-developed-by: Finn Behrens <me@kloenk.de> Signed-off-by: Finn Behrens <me@kloenk.de> Co-developed-by: Wedson Almeida Filho <wedsonaf@google.com> Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com> Co-developed-by: Gary Guo <gary@garyguo.net> Signed-off-by: Gary Guo <gary@garyguo.net> Co-developed-by: Boris-Chengbiao Zhou <bobo1239@web.de> Signed-off-by: Boris-Chengbiao Zhou <bobo1239@web.de> Co-developed-by: Björn Roy Baron <bjorn3_gh@protonmail.com> Signed-off-by: Björn Roy Baron <bjorn3_gh@protonmail.com> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>