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| author | Miguel Ojeda <ojeda@kernel.org> | 2022-08-04 13:16:44 +0300 |
|---|---|---|
| committer | Miguel Ojeda <ojeda@kernel.org> | 2022-09-28 10:02:45 +0300 |
| commit | 094981352ce27bc36018c009d07ddf974c9725f5 (patch) | |
| tree | 905b8c6bcbac870568b909e4500de86a136ed176 /scripts | |
| parent | d07479b211b7a86c93883c74b8f9b1e33d06e262 (diff) | |
| download | linux-094981352ce27bc36018c009d07ddf974c9725f5.tar.xz | |
x86: enable initial Rust support
Note that only x86_64 is covered and not all features nor mitigations
are handled, but it is enough as a starting point and showcases
the basics needed to add Rust support for a new architecture.
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Co-developed-by: Alex Gaynor <alex.gaynor@gmail.com>
Signed-off-by: Alex Gaynor <alex.gaynor@gmail.com>
Co-developed-by: Wedson Almeida Filho <wedsonaf@google.com>
Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com>
Co-developed-by: David Gow <davidgow@google.com>
Signed-off-by: David Gow <davidgow@google.com>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/generate_rust_target.rs | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/scripts/generate_rust_target.rs b/scripts/generate_rust_target.rs index 7256c9606cf0..3c6cbe2b278d 100644 --- a/scripts/generate_rust_target.rs +++ b/scripts/generate_rust_target.rs @@ -148,8 +148,19 @@ fn main() { let mut ts = TargetSpec::new(); // `llvm-target`s are taken from `scripts/Makefile.clang`. - if cfg.has("DUMMY_ARCH") { - ts.push("arch", "dummy_arch"); + if cfg.has("X86_64") { + ts.push("arch", "x86_64"); + ts.push( + "data-layout", + "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128", + ); + let mut features = "-3dnow,-3dnowa,-mmx,+soft-float".to_string(); + if cfg.has("RETPOLINE") { + features += ",+retpoline-external-thunk"; + } + ts.push("features", features); + ts.push("llvm-target", "x86_64-linux-gnu"); + ts.push("target-pointer-width", "64"); } else { panic!("Unsupported architecture"); } |