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This commit 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).
9 lines
229 B
Plaintext
9 lines
229 B
Plaintext
error: cfi sanitizer is not supported for this target
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error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi`
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error: `-Zsanitizer=cfi` is incompatible with `-Zsanitizer=kcfi`
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error: aborting due to 3 previous errors
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