/*
* Copyright (c) 2018, 2019, Red Hat, Inc. All rights reserved.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP
#define CPU_X86_GC_SHENANDOAH_SHENANDOAHBARRIERSETASSEMBLER_X86_HPP
#include "asm/macroAssembler.hpp"
#include "gc/shared/barrierSetAssembler.hpp"
#ifdef COMPILER1
class LIR_Assembler;
class ShenandoahPreBarrierStub;
class ShenandoahLoadReferenceBarrierStub;
class StubAssembler;
#endif
class StubCodeGenerator;
class ShenandoahBarrierSetAssembler: public BarrierSetAssembler {
private:
static address _shenandoah_lrb;
void satb_write_barrier_pre(MacroAssembler* masm,
Register obj,
Register pre_val,
Register thread,
Register tmp,
bool tosca_live,
bool expand_call);
void shenandoah_write_barrier_pre(MacroAssembler* masm,
Register obj,
Register pre_val,
Register thread,
Register tmp,
bool tosca_live,
bool expand_call);
void load_reference_barrier_not_null(MacroAssembler* masm, Register dst, Address src);
void storeval_barrier_impl(MacroAssembler* masm, Register dst, Register tmp);
address generate_shenandoah_lrb(StubCodeGenerator* cgen);
public:
static address shenandoah_lrb();
void storeval_barrier(MacroAssembler* masm, Register dst, Register tmp);
#ifdef COMPILER1
void gen_pre_barrier_stub(LIR_Assembler* ce, ShenandoahPreBarrierStub* stub);
void gen_load_reference_barrier_stub(LIR_Assembler* ce, ShenandoahLoadReferenceBarrierStub* stub);
void generate_c1_pre_barrier_runtime_stub(StubAssembler* sasm);
void generate_c1_load_reference_barrier_runtime_stub(StubAssembler* sasm);
#endif
void load_reference_barrier(MacroAssembler* masm, Register dst, Address src);
void load_reference_barrier_native(MacroAssembler* masm, Register dst, Address src);
void cmpxchg_oop(MacroAssembler* masm,
Register res, Address addr, Register oldval, Register newval,
bool exchange, Register tmp1, Register tmp2);
virtual void arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
Register src, Register dst, Register count);
virtual void load_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
Register dst, Address src, Register tmp1, Register tmp_thread);
/**代码未完, 请加载全部代码(NowJava.com).**/