62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/*
|
|
* Copyright (c) 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 SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP
|
|
#define SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP
|
|
|
|
#include "memory/allocation.hpp"
|
|
#include "memory/iterator.hpp"
|
|
|
|
class ShenandoahRootVerifier : public StackObj {
|
|
public:
|
|
enum RootTypes {
|
|
SerialRoots = 1 << 0,
|
|
ThreadRoots = 1 << 1,
|
|
CodeRoots = 1 << 2,
|
|
CLDGRoots = 1 << 3,
|
|
WeakRoots = 1 << 4,
|
|
StringDedupRoots = 1 << 5,
|
|
JNIHandleRoots = 1 << 6,
|
|
AllRoots = (SerialRoots | ThreadRoots | CodeRoots | CLDGRoots | WeakRoots | StringDedupRoots | JNIHandleRoots)
|
|
};
|
|
|
|
private:
|
|
RootTypes _types;
|
|
|
|
public:
|
|
ShenandoahRootVerifier();
|
|
|
|
void excludes(RootTypes types);
|
|
void oops_do(OopClosure* cl);
|
|
|
|
// Used to seed ShenandoahVerifier, do not honor root type filter
|
|
void roots_do(OopClosure* cl);
|
|
void strong_roots_do(OopClosure* cl);
|
|
|
|
static RootTypes combine(RootTypes t1, RootTypes t2);
|
|
private:
|
|
bool verify(RootTypes type) const;
|
|
};
|
|
|
|
#endif // SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP
|