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Fix comments.

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losfair
2020-02-05 00:44:59 +08:00
parent b5a629b065
commit d3f2cf594a
1 changed files with 6 additions and 2 deletions
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8
lib/runtime-core/src/backend.rs
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@ -113,7 +113,11 @@ pub struct CompilerConfig {
/// How to make the decision whether to emit bounds checks for memory accesses. /// How to make the decision whether to emit bounds checks for memory accesses.
pub memory_bound_check_mode: MemoryBoundCheckMode, pub memory_bound_check_mode: MemoryBoundCheckMode,
/// Whether to generate explicit stack checks against a field in `InternalCtx`. /// Whether to generate explicit native stack checks against `stack_lower_bound` in `InternalCtx`.
///
/// Usually it's adequate to use hardware memory protection mechanisms such as `mprotect` on Unix to
/// prevent stack overflow. But for low-level environments, e.g. the kernel, faults are generally
/// not expected and relying on hardware memory protection would add too much complexity.
pub enforce_stack_check: bool, pub enforce_stack_check: bool,
/// Whether to enable state tracking. Necessary for managed mode. /// Whether to enable state tracking. Necessary for managed mode.
@ -122,7 +126,7 @@ pub struct CompilerConfig {
/// Whether to enable full preemption checkpoint generation. /// Whether to enable full preemption checkpoint generation.
/// ///
/// This inserts checkpoints at critical locations such as loop backedges and function calls, /// This inserts checkpoints at critical locations such as loop backedges and function calls,
/// allowing non-cooperative unwinding/task switching. /// allowing preemptive unwinding/task switching.
/// ///
/// When enabled there can be a small amount of runtime performance overhead. /// When enabled there can be a small amount of runtime performance overhead.
pub full_preemption: bool, pub full_preemption: bool,