import "unsafe"

var labelSync uintptr

// runtime_setProfLabel should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/cloudwego/localsession
//   - github.com/DataDog/datadog-agent
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname runtime_setProfLabel runtime/pprof.runtime_setProfLabel

func runtime_FrameSymbolName(f *runtime.Frame) string

// runtime_expandFinalInlineFrame is defined in runtime/symtab.go.
func runtime_expandFinalInlineFrame(stk []uintptr) []uintptr

// runtime_setProfLabel is defined in runtime/proflabel.go.
func runtime_setProfLabel(labels unsafe.Pointer)

// runtime_getProfLabel is defined in runtime/proflabel.go.
func runtime_getProfLabel() unsafe.Pointer