Mercurial > hg > graal-compiler
view src/share/vm/oops/instanceClassLoaderKlass.hpp @ 12277:c1d7040a1183
8022836: JVM crashes in JVMTIENVBASE::GET_CURRENT_CONTENDED_MONITOR and GET_OWNED_MONITOR
Summary: Check that the _java_thread parameter is valid when it is possible that the JavaThread has exited after the initial checks were made in generated/jvmtifiles/jvmtiEnter.cpp: jvmti_GetCurrentContendedMonitor()
Reviewed-by: dcubed, dsamersoff
author | sgabdura |
---|---|
date | Wed, 18 Sep 2013 16:48:49 +0400 |
parents | db9981fd3124 |
children | de6a9e811145 |
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/* * Copyright (c) 2011, 2012, 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. * * 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_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP #define SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP #include "oops/instanceKlass.hpp" #include "utilities/macros.hpp" // An InstanceClassLoaderKlass is a specialization of the InstanceKlass. It does // not add any field. It is added to walk the dependencies for the class loader // key that this class loader points to. This is how the loader_data graph is // walked and dependant class loaders are kept alive. I thought we walked // the list later? class InstanceClassLoaderKlass: public InstanceKlass { friend class VMStructs; friend class InstanceKlass; // Constructor InstanceClassLoaderKlass(int vtable_len, int itable_len, int static_field_size, int nonstatic_oop_map_size, ReferenceType rt, AccessFlags access_flags, bool is_anonymous) : InstanceKlass(vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, access_flags, is_anonymous) {} public: virtual bool oop_is_instanceClassLoader() const { return true; } InstanceClassLoaderKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); } // Iterators int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) { return oop_oop_iterate_v(obj, blk); } int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) { return oop_oop_iterate_v_m(obj, blk, mr); } #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \ int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \ int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, MemRegion mr); ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL) ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL) #if INCLUDE_ALL_GCS #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \ int oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk); ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) #endif // INCLUDE_ALL_GCS // Garbage collection void oop_follow_contents(oop obj); // Parallel Scavenge and Parallel Old PARALLEL_GC_DECLS }; #endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP