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| author | Manish Goregaokar <manishsmail@gmail.com> | 2023-05-03 16:42:48 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-05-03 16:42:48 -0700 |
| commit | 6933be588e9dd5344d6d62d6fac82d0845d4bbe6 (patch) | |
| tree | f4589b0ac9d09dec3b5c5b5f74edb1fa1d2aef37 /tests/mir-opt/lower_array_len.array_len.NormalizeArrayLen.panic-unwind.diff | |
| parent | 7a48ba90968c3e36e58a59cf35bf982b7fffaed7 (diff) | |
| parent | 0d183f8e74eca11bf525cb98cfe0de7789b90c8f (diff) | |
| download | rust-6933be588e9dd5344d6d62d6fac82d0845d4bbe6.tar.gz rust-6933be588e9dd5344d6d62d6fac82d0845d4bbe6.zip | |
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!
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