gcwb_legacy.go raw

   1  // +build go1.17,!go1.21
   2  
   3  /*
   4   * Copyright 2021 ByteDance Inc.
   5   *
   6   * Licensed under the Apache License, Version 2.0 (the "License");
   7   * you may not use this file except in compliance with the License.
   8   * You may obtain a copy of the License at
   9   *
  10   *     http://www.apache.org/licenses/LICENSE-2.0
  11   *
  12   * Unless required by applicable law or agreed to in writing, software
  13   * distributed under the License is distributed on an "AS IS" BASIS,
  14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15   * See the License for the specific language governing permissions and
  16   * limitations under the License.
  17   */
  18  
  19  package rt
  20  
  21  import (
  22      _ `unsafe`
  23  )
  24  
  25  //go:linkname GcWriteBarrierAX runtime.gcWriteBarrier
  26  func GcWriteBarrierAX()
  27  
  28  //go:linkname RuntimeWriteBarrier runtime.writeBarrier
  29  var RuntimeWriteBarrier uintptr
  30