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 )