github.com/cloudwego/frugal@v0.1.15/internal/atm/rtx/memcpy.go (about)

     1  /*
     2   * Copyright 2022 ByteDance Inc.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package rtx
    18  
    19  import (
    20      `reflect`
    21      `unsafe`
    22  
    23      `github.com/cloudwego/frugal/internal/atm/abi`
    24      `github.com/cloudwego/frugal/internal/rt`
    25  )
    26  
    27  //go:noescape
    28  //go:linkname memmove runtime.memmove
    29  //goland:noinspection GoUnusedParameter
    30  func memmove(to unsafe.Pointer, from unsafe.Pointer, n uintptr)
    31  
    32  var (
    33      F_memmove = rt.FuncAddr(memmove)
    34      R_memmove = resolveClobberSet(memmove)
    35      S_memmove = abi.ABI.LayoutFunc(-1, reflect.TypeOf(memmove))
    36  )