}

// IsRoot returns true if t is equal to language "und".
func (t Tag) IsRoot() bool {
	return compact.Tag(t).IsRoot()
}

// CanonType can be used to enable or disable various types of canonicalization.
type CanonType int

const (
	// Replace deprecated base languages with their preferred replacements.
	DeprecatedBase CanonType = 1 << iota

		}
	}
}

// setProcessCPUProfilerTimer is called when the profiling timer changes.
// It is called with prof.signalLock held. hz is the new timer, and is 0 if
// profiling is being disabled. Enable or disable the signal as
// required for -buildmode=c-archive.
func setProcessCPUProfilerTimer(hz int32) {
	if hz != 0 {
		// Enable the Go signal handler if not enabled.
		if atomic.Cas(&handlingSig[_SIGPROF], 0, 1) {

			return "", fmt.Errorf("no path for non-exported %v", obj)
		}
		return Path(obj.Name()), nil
	}

	// 3. Not a package-level object.
	//    Reject obviously non-viable cases.
	switch obj := obj.(type) {
	case *types.TypeName:
		if _, ok := aliases.Unalias(obj.Type()).(*types.TypeParam); !ok {
			// With the exception of type parameters, only package-level type names
			// have a path.

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package obj

						return false
					}
				} else if xi != nil || yi != nil {
					// One but not both of them are interfaces.
					// In this case, either x or y could be viable matches for the corresponding
					// type parameter, which means choosing either introduces an order dependence.
					// Therefore, we must fail unification (go.dev/issue/60933).
					return false
				}

	for i := 0; i < tries; i++ {
		err := runSignalForwardingTest(t, "2")
		if err == nil {
			continue
		}

		// If the signal is delivered to a C thread, as expected,
		// the Go signal handler will disable itself and re-raise
		// the signal, causing the program to die with SIGSEGV.
		//
		// It is also possible that the signal will be
		// delivered to a Go thread, such as a GC thread.

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package ppc64

	stackDebug       = 0
	stackFromSystem  = 0 // allocate stacks from system memory instead of the heap
	stackFaultOnFree = 0 // old stacks are mapped noaccess to detect use after free
	stackNoCache     = 0 // disable per-P small stack caches

	// check the BP links during traceback.
	debugCheckBP = false
)

var (

	TLS_ECDHE_ECDSA_WITH_RC4_128_SHA: true,
	TLS_ECDHE_RSA_WITH_RC4_128_SHA:   true,
	TLS_RSA_WITH_RC4_128_SHA:         true,
}

// rsaKexCiphers contains the ciphers which use RSA based key exchange,
// which we also disable by default unless a GODEBUG is set.
var rsaKexCiphers = map[uint16]bool{
	TLS_RSA_WITH_RC4_128_SHA:        true,
	TLS_RSA_WITH_3DES_EDE_CBC_SHA:   true,
	TLS_RSA_WITH_AES_128_CBC_SHA:    true,

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package ppc64