blob: e6b4e56a9562112fb9fc76817e1cc0cf8e64afee [file] [log] [blame]
// 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),NOSPLIT,$0-12
MOVQ addr+0(FP), BX
MOVL val+8(FP), AX
LOCK
ANDL AX, 0(BX)
RET
TEXT ·orUint32(SB),NOSPLIT,$0-12
MOVQ addr+0(FP), BX
MOVL val+8(FP), AX
LOCK
ORL AX, 0(BX)
RET
TEXT ·xorUint32(SB),NOSPLIT,$0-12
MOVQ addr+0(FP), BX
MOVL val+8(FP), AX
LOCK
XORL AX, 0(BX)
RET
TEXT ·compareAndSwapUint32(SB),NOSPLIT,$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),NOSPLIT,$0-16
MOVQ addr+0(FP), BX
MOVQ val+8(FP), AX
LOCK
ANDQ AX, 0(BX)
RET
TEXT ·orUint64(SB),NOSPLIT,$0-16
MOVQ addr+0(FP), BX
MOVQ val+8(FP), AX
LOCK
ORQ AX, 0(BX)
RET
TEXT ·xorUint64(SB),NOSPLIT,$0-16
MOVQ addr+0(FP), BX
MOVQ val+8(FP), AX
LOCK
XORQ AX, 0(BX)
RET
TEXT ·compareAndSwapUint64(SB),NOSPLIT,$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