11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #ifndef SHARE_GC_Z_ZVERIFY_HPP 25 #define SHARE_GC_Z_ZVERIFY_HPP 26 27 #include "memory/allocation.hpp" 28 29 class ZVerify : public AllStatic { 30 private: 31 template <typename RootsIterator> 32 static void roots_impl(); 33 static void roots(bool verify_weaks); 34 35 static void roots_weak(); 36 static void roots_concurrent(); 37 static void roots_concurrent_weak(); 38 39 static void objects(bool verify_weaks); 40 41 static void roots_and_objects(bool visit_weaks); 42 43 public: 44 // Verify strong (non-concurrent) roots. Should always be good. 45 static void roots_strong(); 46 47 // Verify all strong roots and references after marking. 48 static void after_mark(); 49 50 // Verify strong and weak roots and references. 51 static void after_weak_processing(); 52 }; 53 54 class VM_ZVerifyOperation : public VM_Operation { 55 public: 56 virtual bool needs_inactive_gc_locker() const { 57 // An inactive GC locker is needed in operations where we change the bad 58 // mask or move objects. Changing the bad mask will invalidate all oops, 59 // which makes it conceptually the same thing as moving all objects. 60 return false; 61 } 62 63 virtual void doit() { 64 ZVerify::after_weak_processing(); 65 } 66 67 bool success() const { 68 return true; 69 } 70 71 virtual VMOp_Type type() const { return VMOp_ZVerify; } 72 }; 73 74 #endif // SHARE_GC_Z_ZVERIFY_HPP | 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #ifndef SHARE_GC_Z_ZVERIFY_HPP 25 #define SHARE_GC_Z_ZVERIFY_HPP 26 27 #include "memory/allocation.hpp" 28 29 class ZVerify : public AllStatic { 30 private: 31 template <typename RootsIterator> static void roots(); 32 33 static void roots_strong(); 34 static void roots_weak(); 35 static void roots_concurrent_strong(); 36 static void roots_concurrent_weak(); 37 38 static void roots(bool verify_weaks); 39 static void objects(bool verify_weaks); 40 static void roots_and_objects(bool verify_weaks); 41 42 public: 43 static void before_zoperation(); 44 static void after_mark(); 45 static void after_weak_processing(); 46 }; 47 48 #endif // SHARE_GC_Z_ZVERIFY_HPP |