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src/hotspot/share/gc/shenandoah/shenandoahRootVerifier.hpp

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  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP
  25 #define SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 #include "memory/iterator.hpp"
  29 
  30 class ShenandoahRootVerifier : public StackObj {
  31 public:
  32   enum RootTypes {

  33     SerialRoots         = 1 << 0,
  34     ThreadRoots         = 1 << 1,
  35     CodeRoots           = 1 << 2,
  36     CLDGRoots           = 1 << 3,
  37     WeakRoots           = 1 << 4,
  38     StringDedupRoots    = 1 << 5,
  39     JNIHandleRoots      = 1 << 6,
  40     AllRoots            = (SerialRoots | ThreadRoots | CodeRoots | CLDGRoots | WeakRoots | StringDedupRoots | JNIHandleRoots)
  41   };
  42 
  43 private:
  44   RootTypes _types;
  45 
  46 public:
  47   ShenandoahRootVerifier();
  48 
  49   void excludes(RootTypes types);
  50   void oops_do(OopClosure* cl);
  51 
  52   // Used to seed ShenandoahVerifier, do not honor root type filter
  53   void roots_do(OopClosure* cl);
  54   void strong_roots_do(OopClosure* cl);
  55 
  56   static RootTypes combine(RootTypes t1, RootTypes t2);
  57 private:
  58   bool verify(RootTypes type) const;
  59 };
  60 
  61 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP


  13  *
  14  * You should have received a copy of the GNU General Public License version
  15  * 2 along with this work; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17  *
  18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  19  * or visit www.oracle.com if you need additional information or have any
  20  * questions.
  21  *
  22  */
  23 
  24 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP
  25 #define SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 #include "memory/iterator.hpp"
  29 
  30 class ShenandoahRootVerifier : public StackObj {
  31 public:
  32   enum RootTypes {
  33     None                = 0,
  34     SerialRoots         = 1 << 0,
  35     ThreadRoots         = 1 << 1,
  36     CodeRoots           = 1 << 2,
  37     CLDGRoots           = 1 << 3,
  38     WeakRoots           = 1 << 4,
  39     StringDedupRoots    = 1 << 5,
  40     JNIHandleRoots      = 1 << 6,
  41     AllRoots            = (SerialRoots | ThreadRoots | CodeRoots | CLDGRoots | WeakRoots | StringDedupRoots | JNIHandleRoots)
  42   };
  43 
  44 private:
  45   RootTypes _types;
  46 
  47 public:
  48   ShenandoahRootVerifier(RootTypes types = AllRoots);
  49 
  50   void excludes(RootTypes types);
  51   void oops_do(OopClosure* cl);
  52 
  53   // Used to seed ShenandoahVerifier, do not honor root type filter
  54   void roots_do(OopClosure* cl);
  55   void strong_roots_do(OopClosure* cl);
  56 
  57   static RootTypes combine(RootTypes t1, RootTypes t2);
  58 private:
  59   bool verify(RootTypes type) const;
  60 };
  61 
  62 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHROOTVERIFIER_HPP
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