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MemTagSanitizer Support

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Adds support for the LLVM MemTagSanitizer.
This commit is contained in:
Ivan Lozano 2021-12-03 16:11:13 -05:00
parent 5569757491
commit 568aeda9e9
15 changed files with 67 additions and 6 deletions
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4
compiler/rustc_target/src/spec/aarch64_linux_android.rs
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@ -14,7 +14,9 @@ pub fn target() -> Target {
// As documented in https://developer.android.com/ndk/guides/cpu-features.html
// the neon (ASIMD) and FP must exist on all android aarch64 targets.
features: "+neon,+fp-armv8".to_string(),
supported_sanitizers: SanitizerSet::CFI | SanitizerSet::HWADDRESS,
supported_sanitizers: SanitizerSet::CFI
| SanitizerSet::HWADDRESS
| SanitizerSet::MEMTAG,
..super::android_base::opts()
},
}

1
compiler/rustc_target/src/spec/aarch64_unknown_linux_gnu.rs
View file

@ -14,6 +14,7 @@ pub fn target() -> Target {
| SanitizerSet::CFI
| SanitizerSet::LEAK
| SanitizerSet::MEMORY
| SanitizerSet::MEMTAG
| SanitizerSet::THREAD
| SanitizerSet::HWADDRESS,
..super::linux_gnu_base::opts()

4
compiler/rustc_target/src/spec/mod.rs
View file

@ -606,6 +606,7 @@ bitflags::bitflags! {
const THREAD = 1 << 3;
const HWADDRESS = 1 << 4;
const CFI = 1 << 5;
const MEMTAG = 1 << 6;
}
}
@ -619,6 +620,7 @@ impl SanitizerSet {
SanitizerSet::CFI => "cfi",
SanitizerSet::LEAK => "leak",
SanitizerSet::MEMORY => "memory",
SanitizerSet::MEMTAG => "memtag",
SanitizerSet::THREAD => "thread",
SanitizerSet::HWADDRESS => "hwaddress",
_ => return None,
@ -652,6 +654,7 @@ impl IntoIterator for SanitizerSet {
SanitizerSet::CFI,
SanitizerSet::LEAK,
SanitizerSet::MEMORY,
SanitizerSet::MEMTAG,
SanitizerSet::THREAD,
SanitizerSet::HWADDRESS,
]
@ -1881,6 +1884,7 @@ impl Target {
Some("cfi") => SanitizerSet::CFI,
Some("leak") => SanitizerSet::LEAK,
Some("memory") => SanitizerSet::MEMORY,
Some("memtag") => SanitizerSet::MEMTAG,
Some("thread") => SanitizerSet::THREAD,
Some("hwaddress") => SanitizerSet::HWADDRESS,
Some(s) => return Err(format!("unknown sanitizer {}", s)),