From 094981352ce27bc36018c009d07ddf974c9725f5 Mon Sep 17 00:00:00 2001 From: Miguel Ojeda Date: Thu, 4 Aug 2022 12:16:44 +0200 Subject: 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 Reviewed-by: Greg Kroah-Hartman Co-developed-by: Alex Gaynor Signed-off-by: Alex Gaynor Co-developed-by: Wedson Almeida Filho Signed-off-by: Wedson Almeida Filho Co-developed-by: David Gow Signed-off-by: David Gow Signed-off-by: Miguel Ojeda --- scripts/generate_rust_target.rs | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'scripts/generate_rust_target.rs') 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"); } -- cgit v1.2.3-58-ga151