/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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* 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 .
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#ifndef SHARE_GC_Z_C1_ZBARRIERSETC1_HPP
#define SHARE_GC_Z_C1_ZBARRIERSETC1_HPP
#include "c1/c1_CodeStubs.hpp"
#include "c1/c1_IR.hpp"
#include "c1/c1_LIR.hpp"
#include "gc/shared/c1/barrierSetC1.hpp"
#include "oops/accessDecorators.hpp"
class ZLoadBarrierStubC1 : public CodeStub {
private :
DecoratorSet _decorators;
LIR_Opr _ref_addr;
LIR_Opr _ref;
LIR_Opr _tmp;
address _runtime_stub;
public :
ZLoadBarrierStubC1(LIRAccess& access, LIR_Opr ref, address runtime_stub);
DecoratorSet decorators() const ;
LIR_Opr ref() const ;
LIR_Opr ref_addr() const ;
LIR_Opr tmp() const ;
address runtime_stub() const ;
virtual void emit_code(LIR_Assembler* ce);
virtual void visit(LIR_OpVisitState* visitor);
#ifndef PRODUCT
virtual void print_name(outputStream* out) const ;
#endif // PRODUCT
};
class ZBarrierSetC1 : public BarrierSetC1 {
private :
address _load_barrier_on_oop_field_preloaded_runtime_stub;
address _load_barrier_on_weak_oop_field_preloaded_runtime_stub;
address load_barrier_on_oop_field_preloaded_runtime_stub(DecoratorSet decorators) const ;
void load_barrier(LIRAccess& access, LIR_Opr result) const ;
protected :
virtual LIR_Opr resolve_address(LIRAccess& access, bool resolve_in_register);
virtual void load_at_resolved(LIRAccess& access, LIR_Opr result);
virtual LIR_Opr atomic_xchg_at_resolved(LIRAccess& access, LIRItem& value);
virtual LIR_Opr atomic_cmpxchg_at_resolved(LIRAccess& access, LIRItem& cmp_value, LIRItem& new_value);
public :
ZBarrierSetC1();
virtual void generate_c1_runtime_stubs(BufferBlob* blob);
};
#endif // SHARE_GC_Z_C1_ZBARRIERSETC1_HPP
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