diff options
| -rw-r--r-- | src/cmd/internal/objabi/funcdata.go | 2 | ||||
| -rw-r--r-- | src/runtime/debugcall.go | 2 | ||||
| -rw-r--r-- | src/runtime/preempt.go | 2 | ||||
| -rw-r--r-- | src/runtime/symtab.go | 3 |
4 files changed, 6 insertions, 3 deletions
diff --git a/src/cmd/internal/objabi/funcdata.go b/src/cmd/internal/objabi/funcdata.go index d5bacb5900..c9480bf2f0 100644 --- a/src/cmd/internal/objabi/funcdata.go +++ b/src/cmd/internal/objabi/funcdata.go @@ -35,7 +35,7 @@ const ( // PCDATA_RegMapIndex values. // // Only if !go115ReduceLiveness. - PCDATA_RegMapUnsafe = -2 // Unsafe for async preemption + PCDATA_RegMapUnsafe = PCDATA_UnsafePointUnsafe // Unsafe for async preemption // PCDATA_UnsafePoint values. PCDATA_UnsafePointSafe = -1 // Safe for async preemption diff --git a/src/runtime/debugcall.go b/src/runtime/debugcall.go index 6c285ec829..b5480c73ae 100644 --- a/src/runtime/debugcall.go +++ b/src/runtime/debugcall.go @@ -87,7 +87,7 @@ func debugCallCheck(pc uintptr) string { pcdata = 0 // in prologue } stkmap := (*stackmap)(funcdata(f, _FUNCDATA_RegPointerMaps)) - if pcdata == -2 || stkmap == nil { + if pcdata == _PCDATA_RegMapUnsafe || stkmap == nil { // Not at a safe point. ret = debugCallUnsafePoint return diff --git a/src/runtime/preempt.go b/src/runtime/preempt.go index 761856576a..17ef2c90d3 100644 --- a/src/runtime/preempt.go +++ b/src/runtime/preempt.go @@ -406,7 +406,7 @@ func isAsyncSafePoint(gp *g, pc, sp, lr uintptr) (bool, uintptr) { var startpc uintptr if !go115ReduceLiveness { smi := pcdatavalue(f, _PCDATA_RegMapIndex, pc, nil) - if smi == -2 { + if smi == _PCDATA_RegMapUnsafe { // Unsafe-point marked by compiler. This includes // atomic sequences (e.g., write barrier) and nosplit // functions (except at calls). diff --git a/src/runtime/symtab.go b/src/runtime/symtab.go index ddb5ea82b4..fa8d17035e 100644 --- a/src/runtime/symtab.go +++ b/src/runtime/symtab.go @@ -284,6 +284,9 @@ const ( ) const ( + // Only if !go115ReduceLiveness. + _PCDATA_RegMapUnsafe = _PCDATA_UnsafePointUnsafe // Unsafe for async preemption + // PCDATA_UnsafePoint values. _PCDATA_UnsafePointSafe = -1 // Safe for async preemption _PCDATA_UnsafePointUnsafe = -2 // Unsafe for async preemption |