WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package preemption

import (
	"context"
	"fmt"
	"sort"
	"testing"

	"github.com/google/go-cmp/cmp"
	v1 "k8s.io/api/core/v1"
	policy "k8s.io/api/policy/v1"
	"k8s.io/apimachinery/pkg/runtime"

//go:nosplit
func acquirem() *m {
	gp := getg()
	gp.m.locks++
	return gp.m
}

//go:nosplit
func releasem(mp *m) {
	gp := getg()
	mp.locks--
	if mp.locks == 0 && gp.preempt {
		// restore the preemption request in case we've cleared it in newstack
		gp.stackguard0 = stackPreempt
	}
}

// reflect_typelinks is meant for package reflect,
// but widely used packages access it using linkname.

	p("TMLH R10, $(3<<12)")            // restore flags
	p("MOVD -%d(R15), R10", l.stack+8) // load PC to REGTMP
	p("JMP (R10)")
}

func genWasm() {
	p("// No async preemption on wasm")
	p("UNDEF")
}

func notImplemented() {
	p("// Not implemented yet")
	p("JMP ·abort(SB)")

	zeroWidth         bool   // op never translates into any machine code. example: copy, which may sometimes translate to machine code, is not zero-width.
	unsafePoint       bool   // this op is an unsafe point, i.e. not safe for async preemption
	symEffect         string // effect this op has on symbol in aux
	scale             uint8  // amd64/386 indexed load scale
}

type blockData struct {
	name     string // the suffix for this block ("EQ", "LT", etc.)

- [ImagePullPolicy](https://kubernetes.io/docs/concepts/containers/images/)
- [priority class name](https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass)
- [node selector](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector)
- [toleration](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/)

    # system-node-critical, it is better to configure this in order to make sure your Istio pods
    # will not be killed because of low priority class.
    # Refer to https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass
    # for more detail.
    priorityClassName: ""
    proxy:
      image: proxyv2
      # This controls the 'policy' in the sidecar injector.
      autoInject: enabled

	zeroWidth         bool      // op never translates into any machine code. example: copy, which may sometimes translate to machine code, is not zero-width.
	unsafePoint       bool      // this op is an unsafe point, i.e. not safe for async preemption
	symEffect         SymEffect // effect this op has on symbol in aux
	scale             uint8     // amd64/386 indexed load scale
}

type inputInfo struct {
	idx  int     // index in Args array

    # system-node-critical, it is better to configure this in order to make sure your Istio pods
    # will not be killed because of low priority class.
    # Refer to https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass
    # for more detail.
    priorityClassName: ""

    proxy:
      image: proxyv2

      # This controls the 'policy' in the sidecar injector.
      autoInject: enabled

	}
}

func TestGCTestMoveStackOnNextCall(t *testing.T) {
	t.Parallel()
	var onStack int
	// GCTestMoveStackOnNextCall can fail in rare cases if there's
	// a preemption. This won't happen many times in quick
	// succession, so just retry a few times.
	for retry := 0; retry < 5; retry++ {
		runtime.GCTestMoveStackOnNextCall()

//
// frameSize is the total size of the argument frame at stackArgs and must
// therefore be >= stackArgsSize. It must include additional space for spilling
// register arguments for stack growth and preemption.
//
// TODO(mknyszek): Once we don't need the additional spill space, remove frameSize,
// since frameSize will be redundant with stackArgsSize.
//