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/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#ifndef CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP
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#define CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP
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#ifdef COMPILER1
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class LIR_Assembler;
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class LIR_OprDesc;
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typedef LIR_OprDesc* LIR_Opr;
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class StubAssembler;
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class ZLoadBarrierStubC1;
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#endif // COMPILER1
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class ZBarrierSetAssembler : public ZBarrierSetAssemblerBase {
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private:
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address _load_barrier_slow_stub[RegisterImpl::number_of_registers];
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address _load_barrier_weak_slow_stub[RegisterImpl::number_of_registers];
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public:
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ZBarrierSetAssembler();
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virtual void load_at(MacroAssembler* masm,
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DecoratorSet decorators,
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BasicType type,
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Register dst,
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Address src,
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Register tmp1,
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Register tmp_thread);
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#ifdef ASSERT
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virtual void store_at(MacroAssembler* masm,
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DecoratorSet decorators,
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BasicType type,
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Address dst,
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Register val,
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Register tmp1,
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Register tmp2);
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#endif // ASSERT
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virtual void arraycopy_prologue(MacroAssembler* masm,
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DecoratorSet decorators,
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bool is_oop,
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Register src,
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Register dst,
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Register count,
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RegSet saved_regs);
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virtual void try_resolve_jobject_in_native(MacroAssembler* masm,
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Register jni_env,
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Register robj,
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Register tmp,
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Label& slowpath);
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#ifdef COMPILER1
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void generate_c1_load_barrier_test(LIR_Assembler* ce,
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LIR_Opr ref) const;
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void generate_c1_load_barrier_stub(LIR_Assembler* ce,
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ZLoadBarrierStubC1* stub) const;
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void generate_c1_load_barrier_runtime_stub(StubAssembler* sasm,
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DecoratorSet decorators) const;
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#endif // COMPILER1
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virtual void barrier_stubs_init();
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address load_barrier_slow_stub(Register reg);
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address load_barrier_weak_slow_stub(Register reg);
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};
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#endif // CPU_AARCH64_GC_Z_ZBARRIERSETASSEMBLER_AARCH64_HPP
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