// Copyright 2018 The gVisor Authors. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // 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. // +build amd64 #include "textflag.h" TEXT ·AndUint32(SB),$8-12 MOVQ addr+0(FP), BP MOVL val+8(FP), AX LOCK ANDL AX, 0(BP) RET TEXT ·OrUint32(SB),$8-12 MOVQ addr+0(FP), BP MOVL val+8(FP), AX LOCK ORL AX, 0(BP) RET TEXT ·XorUint32(SB),$8-12 MOVQ addr+0(FP), BP MOVL val+8(FP), AX LOCK XORL AX, 0(BP) RET TEXT ·CompareAndSwapUint32(SB),$0-20 MOVQ addr+0(FP), DI MOVL old+8(FP), AX MOVL new+12(FP), DX LOCK CMPXCHGL DX, 0(DI) MOVL AX, ret+16(FP) RET TEXT ·AndUint64(SB),$8-16 MOVQ addr+0(FP), BP MOVQ val+8(FP), AX LOCK ANDQ AX, 0(BP) RET TEXT ·OrUint64(SB),$8-16 MOVQ addr+0(FP), BP MOVQ val+8(FP), AX LOCK ORQ AX, 0(BP) RET TEXT ·XorUint64(SB),$8-16 MOVQ addr+0(FP), BP MOVQ val+8(FP), AX LOCK XORQ AX, 0(BP) RET TEXT ·CompareAndSwapUint64(SB),$0-32 MOVQ addr+0(FP), DI MOVQ old+8(FP), AX MOVQ new+16(FP), DX LOCK CMPXCHGQ DX, 0(DI) MOVQ AX, ret+24(FP) RET