/*
* Copyright ( c ) 2020 , 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_Z_ZSTACKWATERMARK_HPP
#define SHARE_GC_Z_ZSTACKWATERMARK_HPP
#include "gc/shared/barrierSet.hpp"
#include "gc/shared/barrierSetNMethod.hpp"
#include "gc/shared/threadLocalAllocBuffer.hpp"
#include "gc/z/zBarrier.hpp"
#include "memory/allocation.hpp"
#include "memory/iterator.hpp"
#include "oops/oopsHierarchy.hpp"
#include "runtime/stackWatermark.hpp"
#include "utilities/globalDefinitions.hpp"
class frame;
class JavaThread;
class ZOnStackCodeBlobClosure : public CodeBlobClosure {
private :
BarrierSetNMethod* _bs_nm;
virtual void do_code_blob(CodeBlob* cb);
public :
ZOnStackCodeBlobClosure();
};
class ZStackWatermark : public StackWatermark {
private :
ZLoadBarrierOopClosure _jt_cl;
ZOnStackCodeBlobClosure _cb_cl;
ThreadLocalAllocStats _stats;
OopClosure* closure_from_context(void * context);
virtual uint32_t epoch_id() const ;
virtual void start_processing_impl(void * context);
virtual void process(const frame& fr, RegisterMap& register_map, void * context);
public :
ZStackWatermark(JavaThread* jt);
ThreadLocalAllocStats& stats();
};
#endif // SHARE_GC_Z_ZSTACKWATERMARK_HPP
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