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rust/compiler/rustc_codegen_ssa
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Manish Goregaokar 38bbc39895
Rollup merge of #105452 - rcvalle:rust-cfi-3, r=bjorn3 
Add cross-language LLVM CFI support to the Rust compiler

This PR adds cross-language LLVM Control Flow Integrity (CFI) support to the Rust compiler by adding the `-Zsanitizer-cfi-normalize-integers` option to be used with Clang `-fsanitize-cfi-icall-normalize-integers` for normalizing integer types (see https://reviews.llvm.org/D139395).

It provides forward-edge control flow protection for C or C++ and Rust -compiled code "mixed binaries" (i.e., for when C or C++ and Rust -compiled code share the same virtual address space). For more information about LLVM CFI and cross-language LLVM CFI support for the Rust compiler, see design document in the tracking issue #89653.

Cross-language LLVM CFI can be enabled with -Zsanitizer=cfi and -Zsanitizer-cfi-normalize-integers, and requires proper (i.e., non-rustc) LTO (i.e., -Clinker-plugin-lto).

Thank you again, ``@bjorn3,`` ``@nikic,`` ``@samitolvanen,`` and the Rust community for all the help!
2023-05-03 16:42:48 -07:00
..
src Rollup merge of #105452 - rcvalle:rust-cfi-3, r=bjorn3 2023-05-03 16:42:48 -07:00
Cargo.toml Fix Unreadable non-UTF-8 output on localized MSVC 2023-04-27 09:58:18 +01:00
messages.ftl Fix static string lints 2023-04-25 18:59:55 +01:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.