/*
* Copyright ( c ) 2018 , 2022 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* 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_SHARED_BARRIERSETNMETHOD_HPP
#define SHARE_GC_SHARED_BARRIERSETNMETHOD_HPP
#include "memory/allocation.hpp"
#include "utilities/globalDefinitions.hpp"
#include "utilities/sizes.hpp"
class nmethod;
class BarrierSetNMethod: public CHeapObj<mtGC> {
private :
int _current_phase;
void deoptimize(nmethod* nm, address* return_addr_ptr);
public :
BarrierSetNMethod() : _current_phase(1 ) {}
bool supports_entry_barrier(nmethod* nm);
virtual bool nmethod_entry_barrier(nmethod* nm);
virtual ByteSize thread_disarmed_offset() const ;
virtual int * disarmed_value_address() const ;
int disarmed_value() const ;
static int nmethod_stub_entry_barrier(address* return_address_ptr);
bool nmethod_osr_entry_barrier(nmethod* nm);
bool is_armed(nmethod* nm);
void disarm(nmethod* nm);
void arm(nmethod* nm, int arm_value);
void arm_all_nmethods();
};
#endif // SHARE_GC_SHARED_BARRIERSETNMETHOD_HPP
Messung V0.5 in Prozent C=93 H=96 G=94
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(vorverarbeitet am 2026-06-10)
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