bjoernager/rust
bjoernager/rust
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Add initial support for DataFlowSanitizer

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Adds initial support for DataFlowSanitizer to the Rust compiler. It
currently supports `-Zsanitizer-dataflow-abilist`. Additional options
for it can be passed to LLVM command line argument processor via LLVM
arguments using `llvm-args` codegen option (e.g.,
`-Cllvm-args=-dfsan-combine-pointer-labels-on-load=false`).
This commit is contained in:
Ramon de C Valle 2024-02-01 13:16:30 -08:00
parent eaee1e9453
commit dee4e02102
20 changed files with 678 additions and 10 deletions
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3
compiler/rustc_target/src/spec/mod.rs
View file

@ -1221,6 +1221,7 @@ bitflags::bitflags! {
const KCFI = 1 << 8;
const KERNELADDRESS = 1 << 9;
const SAFESTACK = 1 << 10;
const DATAFLOW = 1 << 11;
}
}
rustc_data_structures::external_bitflags_debug! { SanitizerSet }
@ -1233,6 +1234,7 @@ impl SanitizerSet {
Some(match self {
SanitizerSet::ADDRESS => "address",
SanitizerSet::CFI => "cfi",
SanitizerSet::DATAFLOW => "dataflow",
SanitizerSet::KCFI => "kcfi",
SanitizerSet::KERNELADDRESS => "kernel-address",
SanitizerSet::LEAK => "leak",
@ -2790,6 +2792,7 @@ impl Target {
base.$key_name |= match s.as_str() {
Some("address") => SanitizerSet::ADDRESS,
Some("cfi") => SanitizerSet::CFI,
Some("dataflow") => SanitizerSet::DATAFLOW,
Some("kcfi") => SanitizerSet::KCFI,
Some("kernel-address") => SanitizerSet::KERNELADDRESS,
Some("leak") => SanitizerSet::LEAK,

1
compiler/rustc_target/src/spec/targets/x86_64_unknown_linux_gnu.rs
View file

@ -10,6 +10,7 @@ pub fn target() -> Target {
base.static_position_independent_executables = true;
base.supported_sanitizers = SanitizerSet::ADDRESS
| SanitizerSet::CFI
| SanitizerSet::DATAFLOW
| SanitizerSet::LEAK
| SanitizerSet::MEMORY
| SanitizerSet::SAFESTACK