diff options
Diffstat (limited to 'compiler/rustc_session/src/config.rs')
| -rw-r--r-- | compiler/rustc_session/src/config.rs | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 79962d5db89..68e7cc3dc98 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -63,6 +63,22 @@ pub enum CFGuard { Checks, } +/// The different settings that the `-Z cf-protection` flag can have. +#[derive(Clone, Copy, PartialEq, Hash, Debug)] +pub enum CFProtection { + /// Do not enable control-flow protection + None, + + /// Emit control-flow protection for branches (enables indirect branch tracking). + Branch, + + /// Emit control-flow protection for returns. + Return, + + /// Emit control-flow protection for both branches and returns. + Full, +} + #[derive(Clone, Copy, Debug, PartialEq, Hash)] pub enum OptLevel { No, // -O0 @@ -2630,11 +2646,11 @@ impl PpMode { /// we have an opt-in scheme here, so one is hopefully forced to think about /// how the hash should be calculated when adding a new command-line argument. crate mod dep_tracking { - use super::LdImpl; use super::{ - BranchProtection, CFGuard, CrateType, DebugInfo, ErrorOutputType, InstrumentCoverage, - LinkerPluginLto, LocationDetail, LtoCli, OptLevel, OutputType, OutputTypes, Passes, - SourceFileHashAlgorithm, SwitchWithOptPath, SymbolManglingVersion, TrimmedDefPaths, + BranchProtection, CFGuard, CFProtection, CrateType, DebugInfo, ErrorOutputType, + InstrumentCoverage, LdImpl, LinkerPluginLto, LocationDetail, LtoCli, OptLevel, OutputType, + OutputTypes, Passes, SourceFileHashAlgorithm, SwitchWithOptPath, SymbolManglingVersion, + TrimmedDefPaths, }; use crate::lint; use crate::options::WasiExecModel; @@ -2715,6 +2731,7 @@ crate mod dep_tracking { NativeLibKind, SanitizerSet, CFGuard, + CFProtection, TargetTriple, Edition, LinkerPluginLto, |