diff options
| author | Wesley Wiser <wesleywiser@microsoft.com> | 2023-05-19 19:30:15 -0400 |
|---|---|---|
| committer | Wesley Wiser <wesleywiser@microsoft.com> | 2023-05-26 15:18:54 -0400 |
| commit | 019d75b44e3f4349495890453d2d154a8f7ba116 (patch) | |
| tree | 799eb3cf43244f783683bd449231fac0b8924c52 /compiler/rustc_session/src | |
| parent | d22314e0f5fdb8ed1181dc1a9d1a85eb54b37c73 (diff) | |
Add SafeStack support to rustc
Adds support for LLVM [SafeStack] which provides backward edge control flow protection by separating the stack into two parts: data which is only accessed in provable safe ways is allocated on the normal stack (the "safe stack") and all other data is placed in a separate allocation (the "unsafe stack"). SafeStack support is enabled by passing `-Zsanitizer=safestack`. [SafeStack]: https://clang.llvm.org/docs/SafeStack.html
Diffstat (limited to 'compiler/rustc_session/src')
| -rw-r--r-- | compiler/rustc_session/src/options.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index 2c4c4a7a6ce..007e720823b 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -372,7 +372,7 @@ mod desc { pub const parse_opt_panic_strategy: &str = parse_panic_strategy; pub const parse_oom_strategy: &str = "either `panic` or `abort`"; pub const parse_relro_level: &str = "one of: `full`, `partial`, or `off`"; - pub const parse_sanitizers: &str = "comma separated list of sanitizers: `address`, `cfi`, `hwaddress`, `kcfi`, `kernel-address`, `leak`, `memory`, `memtag`, `shadow-call-stack`, or `thread`"; + pub const parse_sanitizers: &str = "comma separated list of sanitizers: `address`, `cfi`, `hwaddress`, `kcfi`, `kernel-address`, `leak`, `memory`, `memtag`, `safestack`, `shadow-call-stack`, or `thread`"; pub const parse_sanitizer_memory_track_origins: &str = "0, 1, or 2"; pub const parse_cfguard: &str = "either a boolean (`yes`, `no`, `on`, `off`, etc), `checks`, or `nochecks`"; @@ -694,6 +694,7 @@ mod parse { "shadow-call-stack" => SanitizerSet::SHADOWCALLSTACK, "thread" => SanitizerSet::THREAD, "hwaddress" => SanitizerSet::HWADDRESS, + "safestack" => SanitizerSet::SAFESTACK, _ => return false, } } |