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This commit adds LLVM Kernel Control Flow Integrity (KCFI) support to the Rust compiler. It initially provides forward-edge control flow protection for operating systems kernels for Rust-compiled code only by aggregating function pointers in groups identified by their return and parameter types. (See llvm/llvm-project@cff5bef.) 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) will be provided in later work as part of this project by identifying C char and integer type uses at the time types are encoded (see Type metadata in the design document in the tracking issue #89653). LLVM KCFI can be enabled with -Zsanitizer=kcfi. Co-authored-by: bjorn3 <17426603+bjorn3@users.noreply.github.com>
23 lines
562 B
TOML
23 lines
562 B
TOML
[package]
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name = "rustc_symbol_mangling"
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version = "0.0.0"
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edition = "2021"
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[lib]
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[dependencies]
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bitflags = "1.2.1"
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tracing = "0.1"
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punycode = "0.4.0"
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rustc-demangle = "0.1.21"
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twox-hash = "1.6.3"
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rustc_span = { path = "../rustc_span" }
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rustc_middle = { path = "../rustc_middle" }
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rustc_hir = { path = "../rustc_hir" }
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rustc_target = { path = "../rustc_target" }
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rustc_data_structures = { path = "../rustc_data_structures" }
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rustc_session = { path = "../rustc_session" }
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rustc_macros = { path = "../rustc_macros" }
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rustc_errors = { path = "../rustc_errors" }
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