author | coleenp |
Sat, 01 Sep 2012 13:25:18 -0400 | |
changeset 13728 | 882756847a04 |
parent 13391 | 30245956af37 |
child 13740 | ae6179641137 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#include "precompiled.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "classfile/vmSymbols.hpp" |
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#include "compiler/compileBroker.hpp" |
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#include "gc_interface/collectedHeap.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/interpreterRuntime.hpp" |
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#include "interpreter/linkResolver.hpp" |
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#include "interpreter/templateTable.hpp" |
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#include "memory/oopFactory.hpp" |
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#include "memory/universe.inline.hpp" |
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#include "oops/constantPool.hpp" |
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#include "oops/instanceKlass.hpp" |
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#include "oops/methodData.hpp" |
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#include "oops/objArrayKlass.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "oops/symbol.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "prims/nativeLookup.hpp" |
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#include "runtime/biasedLocking.hpp" |
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#include "runtime/compilationPolicy.hpp" |
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#include "runtime/deoptimization.hpp" |
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#include "runtime/fieldDescriptor.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/interfaceSupport.hpp" |
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#include "runtime/java.hpp" |
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#include "runtime/jfieldIDWorkaround.hpp" |
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#include "runtime/osThread.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "runtime/synchronizer.hpp" |
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#include "runtime/threadCritical.hpp" |
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#include "utilities/events.hpp" |
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#ifdef TARGET_ARCH_x86 |
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# include "vm_version_x86.hpp" |
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#endif |
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#ifdef TARGET_ARCH_sparc |
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# include "vm_version_sparc.hpp" |
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#endif |
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#ifdef TARGET_ARCH_zero |
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# include "vm_version_zero.hpp" |
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#endif |
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#ifdef TARGET_ARCH_arm |
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# include "vm_version_arm.hpp" |
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#endif |
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#ifdef TARGET_ARCH_ppc |
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# include "vm_version_ppc.hpp" |
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#endif |
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#ifdef COMPILER2 |
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#include "opto/runtime.hpp" |
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#endif |
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class UnlockFlagSaver { |
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private: |
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JavaThread* _thread; |
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bool _do_not_unlock; |
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public: |
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UnlockFlagSaver(JavaThread* t) { |
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_thread = t; |
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_do_not_unlock = t->do_not_unlock_if_synchronized(); |
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t->set_do_not_unlock_if_synchronized(false); |
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} |
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~UnlockFlagSaver() { |
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_thread->set_do_not_unlock_if_synchronized(_do_not_unlock); |
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} |
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}; |
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//------------------------------------------------------------------------------------------------------------------------ |
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// State accessors |
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void InterpreterRuntime::set_bcp_and_mdp(address bcp, JavaThread *thread) { |
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last_frame(thread).interpreter_frame_set_bcp(bcp); |
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if (ProfileInterpreter) { |
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// ProfileTraps uses MDOs independently of ProfileInterpreter. |
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// That is why we must check both ProfileInterpreter and mdo != NULL. |
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MethodData* mdo = last_frame(thread).interpreter_frame_method()->method_data(); |
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if (mdo != NULL) { |
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NEEDS_CLEANUP; |
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last_frame(thread).interpreter_frame_set_mdp(mdo->bci_to_dp(last_frame(thread).interpreter_frame_bci())); |
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} |
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} |
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} |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Constants |
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IRT_ENTRY(void, InterpreterRuntime::ldc(JavaThread* thread, bool wide)) |
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// access constant pool |
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ConstantPool* pool = method(thread)->constants(); |
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int index = wide ? get_index_u2(thread, Bytecodes::_ldc_w) : get_index_u1(thread, Bytecodes::_ldc); |
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constantTag tag = pool->tag_at(index); |
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assert (tag.is_unresolved_klass() || tag.is_klass(), "wrong ldc call"); |
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Klass* klass = pool->klass_at(index, CHECK); |
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oop java_class = klass->java_mirror(); |
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thread->set_vm_result(java_class); |
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IRT_END |
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IRT_ENTRY(void, InterpreterRuntime::resolve_ldc(JavaThread* thread, Bytecodes::Code bytecode)) { |
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assert(bytecode == Bytecodes::_fast_aldc || |
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bytecode == Bytecodes::_fast_aldc_w, "wrong bc"); |
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ResourceMark rm(thread); |
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methodHandle m (thread, method(thread)); |
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Bytecode_loadconstant ldc(m, bci(thread)); |
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oop result = ldc.resolve_constant(CHECK); |
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#ifdef ASSERT |
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{ |
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// The bytecode wrappers aren't GC-safe so construct a new one |
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Bytecode_loadconstant ldc2(m, bci(thread)); |
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oop coop = m->constants()->resolved_references()->obj_at(ldc2.cache_index()); |
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assert(result == coop, "expected result for assembly code"); |
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} |
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#endif |
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thread->set_vm_result(result); |
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} |
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IRT_END |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Allocation |
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IRT_ENTRY(void, InterpreterRuntime::_new(JavaThread* thread, ConstantPool* pool, int index)) |
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Klass* k_oop = pool->klass_at(index, CHECK); |
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instanceKlassHandle klass (THREAD, k_oop); |
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// Make sure we are not instantiating an abstract klass |
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klass->check_valid_for_instantiation(true, CHECK); |
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// Make sure klass is initialized |
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klass->initialize(CHECK); |
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// At this point the class may not be fully initialized |
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// because of recursive initialization. If it is fully |
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// initialized & has_finalized is not set, we rewrite |
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// it into its fast version (Note: no locking is needed |
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// here since this is an atomic byte write and can be |
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// done more than once). |
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// |
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// Note: In case of classes with has_finalized we don't |
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// rewrite since that saves us an extra check in |
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// the fast version which then would call the |
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// slow version anyway (and do a call back into |
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// Java). |
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// If we have a breakpoint, then we don't rewrite |
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// because the _breakpoint bytecode would be lost. |
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oop obj = klass->allocate_instance(CHECK); |
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thread->set_vm_result(obj); |
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IRT_END |
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IRT_ENTRY(void, InterpreterRuntime::newarray(JavaThread* thread, BasicType type, jint size)) |
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oop obj = oopFactory::new_typeArray(type, size, CHECK); |
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thread->set_vm_result(obj); |
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IRT_END |
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IRT_ENTRY(void, InterpreterRuntime::anewarray(JavaThread* thread, ConstantPool* pool, int index, jint size)) |
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// Note: no oopHandle for pool & klass needed since they are not used |
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// anymore after new_objArray() and no GC can happen before. |
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// (This may have to change if this code changes!) |
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Klass* klass = pool->klass_at(index, CHECK); |
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objArrayOop obj = oopFactory::new_objArray(klass, size, CHECK); |
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thread->set_vm_result(obj); |
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IRT_END |
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IRT_ENTRY(void, InterpreterRuntime::multianewarray(JavaThread* thread, jint* first_size_address)) |
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// We may want to pass in more arguments - could make this slightly faster |
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ConstantPool* constants = method(thread)->constants(); |
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int i = get_index_u2(thread, Bytecodes::_multianewarray); |
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Klass* klass = constants->klass_at(i, CHECK); |
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int nof_dims = number_of_dimensions(thread); |
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assert(klass->is_klass(), "not a class"); |
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assert(nof_dims >= 1, "multianewarray rank must be nonzero"); |
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// We must create an array of jints to pass to multi_allocate. |
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ResourceMark rm(thread); |
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const int small_dims = 10; |
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jint dim_array[small_dims]; |
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205 |
jint *dims = &dim_array[0]; |
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if (nof_dims > small_dims) { |
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dims = (jint*) NEW_RESOURCE_ARRAY(jint, nof_dims); |
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208 |
} |
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209 |
for (int index = 0; index < nof_dims; index++) { |
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210 |
// offset from first_size_address is addressed as local[index] |
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int n = Interpreter::local_offset_in_bytes(index)/jintSize; |
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212 |
dims[index] = first_size_address[n]; |
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} |
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oop obj = arrayKlass::cast(klass)->multi_allocate(nof_dims, dims, CHECK); |
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thread->set_vm_result(obj); |
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IRT_END |
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||
218 |
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IRT_ENTRY(void, InterpreterRuntime::register_finalizer(JavaThread* thread, oopDesc* obj)) |
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assert(obj->is_oop(), "must be a valid oop"); |
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assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); |
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InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
1 | 223 |
IRT_END |
224 |
||
225 |
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// Quicken instance-of and check-cast bytecodes |
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IRT_ENTRY(void, InterpreterRuntime::quicken_io_cc(JavaThread* thread)) |
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// Force resolving; quicken the bytecode |
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int which = get_index_u2(thread, Bytecodes::_checkcast); |
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ConstantPool* cpool = method(thread)->constants(); |
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// We'd expect to assert that we're only here to quicken bytecodes, but in a multithreaded |
232 |
// program we might have seen an unquick'd bytecode in the interpreter but have another |
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// thread quicken the bytecode before we get here. |
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// assert( cpool->tag_at(which).is_unresolved_klass(), "should only come here to quicken bytecodes" ); |
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Klass* klass = cpool->klass_at(which, CHECK); |
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thread->set_vm_result_2(klass); |
1 | 237 |
IRT_END |
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//------------------------------------------------------------------------------------------------------------------------ |
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241 |
// Exceptions |
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242 |
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243 |
// Assume the compiler is (or will be) interested in this event. |
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244 |
// If necessary, create an MDO to hold the information, and record it. |
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245 |
void InterpreterRuntime::note_trap(JavaThread* thread, int reason, TRAPS) { |
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assert(ProfileTraps, "call me only if profiling"); |
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methodHandle trap_method(thread, method(thread)); |
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if (trap_method.not_null()) { |
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MethodData* trap_mdo = trap_method->method_data(); |
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if (trap_mdo == NULL) { |
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Method::build_interpreter_method_data(trap_method, THREAD); |
1 | 253 |
if (HAS_PENDING_EXCEPTION) { |
254 |
assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here"); |
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255 |
CLEAR_PENDING_EXCEPTION; |
|
256 |
} |
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trap_mdo = trap_method->method_data(); |
1 | 258 |
// and fall through... |
259 |
} |
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if (trap_mdo != NULL) { |
1 | 261 |
// Update per-method count of trap events. The interpreter |
262 |
// is updating the MDO to simulate the effect of compiler traps. |
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263 |
int trap_bci = trap_method->bci_from(bcp(thread)); |
|
264 |
Deoptimization::update_method_data_from_interpreter(trap_mdo, trap_bci, reason); |
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265 |
} |
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266 |
} |
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267 |
} |
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static Handle get_preinitialized_exception(Klass* k, TRAPS) { |
1 | 270 |
// get klass |
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InstanceKlass* klass = InstanceKlass::cast(k); |
1 | 272 |
assert(klass->is_initialized(), |
273 |
"this klass should have been initialized during VM initialization"); |
|
274 |
// create instance - do not call constructor since we may have no |
|
275 |
// (java) stack space left (should assert constructor is empty) |
|
276 |
Handle exception; |
|
277 |
oop exception_oop = klass->allocate_instance(CHECK_(exception)); |
|
278 |
exception = Handle(THREAD, exception_oop); |
|
279 |
if (StackTraceInThrowable) { |
|
280 |
java_lang_Throwable::fill_in_stack_trace(exception); |
|
281 |
} |
|
282 |
return exception; |
|
283 |
} |
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284 |
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285 |
// Special handling for stack overflow: since we don't have any (java) stack |
|
286 |
// space left we use the pre-allocated & pre-initialized StackOverflowError |
|
287 |
// klass to create an stack overflow error instance. We do not call its |
|
288 |
// constructor for the same reason (it is empty, anyway). |
|
289 |
IRT_ENTRY(void, InterpreterRuntime::throw_StackOverflowError(JavaThread* thread)) |
|
290 |
Handle exception = get_preinitialized_exception( |
|
291 |
SystemDictionary::StackOverflowError_klass(), |
|
292 |
CHECK); |
|
293 |
THROW_HANDLE(exception); |
|
294 |
IRT_END |
|
295 |
||
296 |
||
297 |
IRT_ENTRY(void, InterpreterRuntime::create_exception(JavaThread* thread, char* name, char* message)) |
|
298 |
// lookup exception klass |
|
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|
299 |
TempNewSymbol s = SymbolTable::new_symbol(name, CHECK); |
1 | 300 |
if (ProfileTraps) { |
301 |
if (s == vmSymbols::java_lang_ArithmeticException()) { |
|
302 |
note_trap(thread, Deoptimization::Reason_div0_check, CHECK); |
|
303 |
} else if (s == vmSymbols::java_lang_NullPointerException()) { |
|
304 |
note_trap(thread, Deoptimization::Reason_null_check, CHECK); |
|
305 |
} |
|
306 |
} |
|
307 |
// create exception |
|
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|
308 |
Handle exception = Exceptions::new_exception(thread, s, message); |
1 | 309 |
thread->set_vm_result(exception()); |
310 |
IRT_END |
|
311 |
||
312 |
||
313 |
IRT_ENTRY(void, InterpreterRuntime::create_klass_exception(JavaThread* thread, char* name, oopDesc* obj)) |
|
314 |
ResourceMark rm(thread); |
|
315 |
const char* klass_name = Klass::cast(obj->klass())->external_name(); |
|
316 |
// lookup exception klass |
|
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|
317 |
TempNewSymbol s = SymbolTable::new_symbol(name, CHECK); |
1 | 318 |
if (ProfileTraps) { |
319 |
note_trap(thread, Deoptimization::Reason_class_check, CHECK); |
|
320 |
} |
|
321 |
// create exception, with klass name as detail message |
|
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|
322 |
Handle exception = Exceptions::new_exception(thread, s, klass_name); |
1 | 323 |
thread->set_vm_result(exception()); |
324 |
IRT_END |
|
325 |
||
326 |
||
327 |
IRT_ENTRY(void, InterpreterRuntime::throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index)) |
|
328 |
char message[jintAsStringSize]; |
|
329 |
// lookup exception klass |
|
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|
330 |
TempNewSymbol s = SymbolTable::new_symbol(name, CHECK); |
1 | 331 |
if (ProfileTraps) { |
332 |
note_trap(thread, Deoptimization::Reason_range_check, CHECK); |
|
333 |
} |
|
334 |
// create exception |
|
335 |
sprintf(message, "%d", index); |
|
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|
336 |
THROW_MSG(s, message); |
1 | 337 |
IRT_END |
338 |
||
339 |
IRT_ENTRY(void, InterpreterRuntime::throw_ClassCastException( |
|
340 |
JavaThread* thread, oopDesc* obj)) |
|
341 |
||
342 |
ResourceMark rm(thread); |
|
343 |
char* message = SharedRuntime::generate_class_cast_message( |
|
344 |
thread, Klass::cast(obj->klass())->external_name()); |
|
345 |
||
346 |
if (ProfileTraps) { |
|
347 |
note_trap(thread, Deoptimization::Reason_class_check, CHECK); |
|
348 |
} |
|
349 |
||
350 |
// create exception |
|
351 |
THROW_MSG(vmSymbols::java_lang_ClassCastException(), message); |
|
352 |
IRT_END |
|
353 |
||
354 |
// exception_handler_for_exception(...) returns the continuation address, |
|
355 |
// the exception oop (via TLS) and sets the bci/bcp for the continuation. |
|
356 |
// The exception oop is returned to make sure it is preserved over GC (it |
|
357 |
// is only on the stack if the exception was thrown explicitly via athrow). |
|
358 |
// During this operation, the expression stack contains the values for the |
|
359 |
// bci where the exception happened. If the exception was propagated back |
|
360 |
// from a call, the expression stack contains the values for the bci at the |
|
361 |
// invoke w/o arguments (i.e., as if one were inside the call). |
|
362 |
IRT_ENTRY(address, InterpreterRuntime::exception_handler_for_exception(JavaThread* thread, oopDesc* exception)) |
|
363 |
||
364 |
Handle h_exception(thread, exception); |
|
365 |
methodHandle h_method (thread, method(thread)); |
|
366 |
constantPoolHandle h_constants(thread, h_method->constants()); |
|
367 |
bool should_repeat; |
|
368 |
int handler_bci; |
|
5882 | 369 |
int current_bci = bci(thread); |
1 | 370 |
|
371 |
// Need to do this check first since when _do_not_unlock_if_synchronized |
|
372 |
// is set, we don't want to trigger any classloading which may make calls |
|
373 |
// into java, or surprisingly find a matching exception handler for bci 0 |
|
374 |
// since at this moment the method hasn't been "officially" entered yet. |
|
375 |
if (thread->do_not_unlock_if_synchronized()) { |
|
376 |
ResourceMark rm; |
|
377 |
assert(current_bci == 0, "bci isn't zero for do_not_unlock_if_synchronized"); |
|
378 |
thread->set_vm_result(exception); |
|
379 |
#ifdef CC_INTERP |
|
380 |
return (address) -1; |
|
381 |
#else |
|
382 |
return Interpreter::remove_activation_entry(); |
|
383 |
#endif |
|
384 |
} |
|
385 |
||
386 |
do { |
|
387 |
should_repeat = false; |
|
388 |
||
389 |
// assertions |
|
390 |
#ifdef ASSERT |
|
391 |
assert(h_exception.not_null(), "NULL exceptions should be handled by athrow"); |
|
392 |
assert(h_exception->is_oop(), "just checking"); |
|
393 |
// Check that exception is a subclass of Throwable, otherwise we have a VerifyError |
|
4571 | 394 |
if (!(h_exception->is_a(SystemDictionary::Throwable_klass()))) { |
1 | 395 |
if (ExitVMOnVerifyError) vm_exit(-1); |
396 |
ShouldNotReachHere(); |
|
397 |
} |
|
398 |
#endif |
|
399 |
||
400 |
// tracing |
|
401 |
if (TraceExceptions) { |
|
402 |
ttyLocker ttyl; |
|
403 |
ResourceMark rm(thread); |
|
404 |
tty->print_cr("Exception <%s> (" INTPTR_FORMAT ")", h_exception->print_value_string(), (address)h_exception()); |
|
405 |
tty->print_cr(" thrown in interpreter method <%s>", h_method->print_value_string()); |
|
406 |
tty->print_cr(" at bci %d for thread " INTPTR_FORMAT, current_bci, thread); |
|
407 |
} |
|
408 |
// Don't go paging in something which won't be used. |
|
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|
409 |
// else if (extable->length() == 0) { |
1 | 410 |
// // disabled for now - interpreter is not using shortcut yet |
411 |
// // (shortcut is not to call runtime if we have no exception handlers) |
|
412 |
// // warning("performance bug: should not call runtime if method has no exception handlers"); |
|
413 |
// } |
|
414 |
// for AbortVMOnException flag |
|
415 |
NOT_PRODUCT(Exceptions::debug_check_abort(h_exception)); |
|
416 |
||
417 |
// exception handler lookup |
|
418 |
KlassHandle h_klass(THREAD, h_exception->klass()); |
|
419 |
handler_bci = h_method->fast_exception_handler_bci_for(h_klass, current_bci, THREAD); |
|
420 |
if (HAS_PENDING_EXCEPTION) { |
|
421 |
// We threw an exception while trying to find the exception handler. |
|
422 |
// Transfer the new exception to the exception handle which will |
|
423 |
// be set into thread local storage, and do another lookup for an |
|
424 |
// exception handler for this exception, this time starting at the |
|
425 |
// BCI of the exception handler which caused the exception to be |
|
426 |
// thrown (bug 4307310). |
|
427 |
h_exception = Handle(THREAD, PENDING_EXCEPTION); |
|
428 |
CLEAR_PENDING_EXCEPTION; |
|
429 |
if (handler_bci >= 0) { |
|
430 |
current_bci = handler_bci; |
|
431 |
should_repeat = true; |
|
432 |
} |
|
433 |
} |
|
434 |
} while (should_repeat == true); |
|
435 |
||
436 |
// notify JVMTI of an exception throw; JVMTI will detect if this is a first |
|
437 |
// time throw or a stack unwinding throw and accordingly notify the debugger |
|
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|
438 |
if (JvmtiExport::can_post_on_exceptions()) { |
1 | 439 |
JvmtiExport::post_exception_throw(thread, h_method(), bcp(thread), h_exception()); |
440 |
} |
|
441 |
||
442 |
#ifdef CC_INTERP |
|
443 |
address continuation = (address)(intptr_t) handler_bci; |
|
444 |
#else |
|
445 |
address continuation = NULL; |
|
446 |
#endif |
|
447 |
address handler_pc = NULL; |
|
448 |
if (handler_bci < 0 || !thread->reguard_stack((address) &continuation)) { |
|
449 |
// Forward exception to callee (leaving bci/bcp untouched) because (a) no |
|
450 |
// handler in this method, or (b) after a stack overflow there is not yet |
|
451 |
// enough stack space available to reprotect the stack. |
|
452 |
#ifndef CC_INTERP |
|
453 |
continuation = Interpreter::remove_activation_entry(); |
|
454 |
#endif |
|
455 |
// Count this for compilation purposes |
|
456 |
h_method->interpreter_throwout_increment(); |
|
457 |
} else { |
|
458 |
// handler in this method => change bci/bcp to handler bci/bcp and continue there |
|
459 |
handler_pc = h_method->code_base() + handler_bci; |
|
460 |
#ifndef CC_INTERP |
|
461 |
set_bcp_and_mdp(handler_pc, thread); |
|
462 |
continuation = Interpreter::dispatch_table(vtos)[*handler_pc]; |
|
463 |
#endif |
|
464 |
} |
|
465 |
// notify debugger of an exception catch |
|
466 |
// (this is good for exceptions caught in native methods as well) |
|
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|
467 |
if (JvmtiExport::can_post_on_exceptions()) { |
1 | 468 |
JvmtiExport::notice_unwind_due_to_exception(thread, h_method(), handler_pc, h_exception(), (handler_pc != NULL)); |
469 |
} |
|
470 |
||
471 |
thread->set_vm_result(h_exception()); |
|
472 |
return continuation; |
|
473 |
IRT_END |
|
474 |
||
475 |
||
476 |
IRT_ENTRY(void, InterpreterRuntime::throw_pending_exception(JavaThread* thread)) |
|
477 |
assert(thread->has_pending_exception(), "must only ne called if there's an exception pending"); |
|
478 |
// nothing to do - eventually we should remove this code entirely (see comments @ call sites) |
|
479 |
IRT_END |
|
480 |
||
481 |
||
482 |
IRT_ENTRY(void, InterpreterRuntime::throw_AbstractMethodError(JavaThread* thread)) |
|
483 |
THROW(vmSymbols::java_lang_AbstractMethodError()); |
|
484 |
IRT_END |
|
485 |
||
486 |
||
487 |
IRT_ENTRY(void, InterpreterRuntime::throw_IncompatibleClassChangeError(JavaThread* thread)) |
|
488 |
THROW(vmSymbols::java_lang_IncompatibleClassChangeError()); |
|
489 |
IRT_END |
|
490 |
||
491 |
||
492 |
//------------------------------------------------------------------------------------------------------------------------ |
|
493 |
// Fields |
|
494 |
// |
|
495 |
||
496 |
IRT_ENTRY(void, InterpreterRuntime::resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode)) |
|
497 |
// resolve field |
|
498 |
FieldAccessInfo info; |
|
499 |
constantPoolHandle pool(thread, method(thread)->constants()); |
|
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|
500 |
bool is_put = (bytecode == Bytecodes::_putfield || bytecode == Bytecodes::_putstatic); |
1 | 501 |
bool is_static = (bytecode == Bytecodes::_getstatic || bytecode == Bytecodes::_putstatic); |
502 |
||
503 |
{ |
|
504 |
JvmtiHideSingleStepping jhss(thread); |
|
5688 | 505 |
LinkResolver::resolve_field(info, pool, get_index_u2_cpcache(thread, bytecode), |
1 | 506 |
bytecode, false, CHECK); |
507 |
} // end JvmtiHideSingleStepping |
|
508 |
||
509 |
// check if link resolution caused cpCache to be updated |
|
510 |
if (already_resolved(thread)) return; |
|
511 |
||
512 |
// compute auxiliary field attributes |
|
513 |
TosState state = as_TosState(info.field_type()); |
|
514 |
||
515 |
// We need to delay resolving put instructions on final fields |
|
516 |
// until we actually invoke one. This is required so we throw |
|
517 |
// exceptions at the correct place. If we do not resolve completely |
|
518 |
// in the current pass, leaving the put_code set to zero will |
|
519 |
// cause the next put instruction to reresolve. |
|
520 |
Bytecodes::Code put_code = (Bytecodes::Code)0; |
|
521 |
||
522 |
// We also need to delay resolving getstatic instructions until the |
|
523 |
// class is intitialized. This is required so that access to the static |
|
524 |
// field will call the initialization function every time until the class |
|
525 |
// is completely initialized ala. in 2.17.5 in JVM Specification. |
|
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diff
changeset
|
526 |
InstanceKlass *klass = InstanceKlass::cast(info.klass()()); |
1 | 527 |
bool uninitialized_static = ((bytecode == Bytecodes::_getstatic || bytecode == Bytecodes::_putstatic) && |
528 |
!klass->is_initialized()); |
|
529 |
Bytecodes::Code get_code = (Bytecodes::Code)0; |
|
530 |
||
531 |
if (!uninitialized_static) { |
|
532 |
get_code = ((is_static) ? Bytecodes::_getstatic : Bytecodes::_getfield); |
|
533 |
if (is_put || !info.access_flags().is_final()) { |
|
534 |
put_code = ((is_static) ? Bytecodes::_putstatic : Bytecodes::_putfield); |
|
535 |
} |
|
536 |
} |
|
537 |
||
538 |
cache_entry(thread)->set_field( |
|
539 |
get_code, |
|
540 |
put_code, |
|
541 |
info.klass(), |
|
542 |
info.field_index(), |
|
543 |
info.field_offset(), |
|
544 |
state, |
|
545 |
info.access_flags().is_final(), |
|
13728
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diff
changeset
|
546 |
info.access_flags().is_volatile(), |
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diff
changeset
|
547 |
pool->pool_holder() |
1 | 548 |
); |
549 |
IRT_END |
|
550 |
||
551 |
||
552 |
//------------------------------------------------------------------------------------------------------------------------ |
|
553 |
// Synchronization |
|
554 |
// |
|
555 |
// The interpreter's synchronization code is factored out so that it can |
|
556 |
// be shared by method invocation and synchronized blocks. |
|
557 |
//%note synchronization_3 |
|
558 |
||
559 |
static void trace_locking(Handle& h_locking_obj, bool is_locking) { |
|
560 |
ObjectSynchronizer::trace_locking(h_locking_obj, false, true, is_locking); |
|
561 |
} |
|
562 |
||
563 |
||
564 |
//%note monitor_1 |
|
565 |
IRT_ENTRY_NO_ASYNC(void, InterpreterRuntime::monitorenter(JavaThread* thread, BasicObjectLock* elem)) |
|
566 |
#ifdef ASSERT |
|
567 |
thread->last_frame().interpreter_frame_verify_monitor(elem); |
|
568 |
#endif |
|
569 |
if (PrintBiasedLockingStatistics) { |
|
570 |
Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); |
|
571 |
} |
|
572 |
Handle h_obj(thread, elem->obj()); |
|
573 |
assert(Universe::heap()->is_in_reserved_or_null(h_obj()), |
|
574 |
"must be NULL or an object"); |
|
575 |
if (UseBiasedLocking) { |
|
576 |
// Retry fast entry if bias is revoked to avoid unnecessary inflation |
|
577 |
ObjectSynchronizer::fast_enter(h_obj, elem->lock(), true, CHECK); |
|
578 |
} else { |
|
579 |
ObjectSynchronizer::slow_enter(h_obj, elem->lock(), CHECK); |
|
580 |
} |
|
581 |
assert(Universe::heap()->is_in_reserved_or_null(elem->obj()), |
|
582 |
"must be NULL or an object"); |
|
583 |
#ifdef ASSERT |
|
584 |
thread->last_frame().interpreter_frame_verify_monitor(elem); |
|
585 |
#endif |
|
586 |
IRT_END |
|
587 |
||
588 |
||
589 |
//%note monitor_1 |
|
590 |
IRT_ENTRY_NO_ASYNC(void, InterpreterRuntime::monitorexit(JavaThread* thread, BasicObjectLock* elem)) |
|
591 |
#ifdef ASSERT |
|
592 |
thread->last_frame().interpreter_frame_verify_monitor(elem); |
|
593 |
#endif |
|
594 |
Handle h_obj(thread, elem->obj()); |
|
595 |
assert(Universe::heap()->is_in_reserved_or_null(h_obj()), |
|
596 |
"must be NULL or an object"); |
|
597 |
if (elem == NULL || h_obj()->is_unlocked()) { |
|
598 |
THROW(vmSymbols::java_lang_IllegalMonitorStateException()); |
|
599 |
} |
|
600 |
ObjectSynchronizer::slow_exit(h_obj(), elem->lock(), thread); |
|
601 |
// Free entry. This must be done here, since a pending exception might be installed on |
|
602 |
// exit. If it is not cleared, the exception handling code will try to unlock the monitor again. |
|
603 |
elem->set_obj(NULL); |
|
604 |
#ifdef ASSERT |
|
605 |
thread->last_frame().interpreter_frame_verify_monitor(elem); |
|
606 |
#endif |
|
607 |
IRT_END |
|
608 |
||
609 |
||
610 |
IRT_ENTRY(void, InterpreterRuntime::throw_illegal_monitor_state_exception(JavaThread* thread)) |
|
611 |
THROW(vmSymbols::java_lang_IllegalMonitorStateException()); |
|
612 |
IRT_END |
|
613 |
||
614 |
||
615 |
IRT_ENTRY(void, InterpreterRuntime::new_illegal_monitor_state_exception(JavaThread* thread)) |
|
616 |
// Returns an illegal exception to install into the current thread. The |
|
617 |
// pending_exception flag is cleared so normal exception handling does not |
|
618 |
// trigger. Any current installed exception will be overwritten. This |
|
619 |
// method will be called during an exception unwind. |
|
620 |
||
621 |
assert(!HAS_PENDING_EXCEPTION, "no pending exception"); |
|
622 |
Handle exception(thread, thread->vm_result()); |
|
623 |
assert(exception() != NULL, "vm result should be set"); |
|
624 |
thread->set_vm_result(NULL); // clear vm result before continuing (may cause memory leaks and assert failures) |
|
4571 | 625 |
if (!exception->is_a(SystemDictionary::ThreadDeath_klass())) { |
1 | 626 |
exception = get_preinitialized_exception( |
627 |
SystemDictionary::IllegalMonitorStateException_klass(), |
|
628 |
CATCH); |
|
629 |
} |
|
630 |
thread->set_vm_result(exception()); |
|
631 |
IRT_END |
|
632 |
||
633 |
||
634 |
//------------------------------------------------------------------------------------------------------------------------ |
|
635 |
// Invokes |
|
636 |
||
13728
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diff
changeset
|
637 |
IRT_ENTRY(Bytecodes::Code, InterpreterRuntime::get_original_bytecode_at(JavaThread* thread, Method* method, address bcp)) |
1 | 638 |
return method->orig_bytecode_at(method->bci_from(bcp)); |
639 |
IRT_END |
|
640 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
641 |
IRT_ENTRY(void, InterpreterRuntime::set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code)) |
1 | 642 |
method->set_orig_bytecode_at(method->bci_from(bcp), new_code); |
643 |
IRT_END |
|
644 |
||
13728
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diff
changeset
|
645 |
IRT_ENTRY(void, InterpreterRuntime::_breakpoint(JavaThread* thread, Method* method, address bcp)) |
1 | 646 |
JvmtiExport::post_raw_breakpoint(thread, method, bcp); |
647 |
IRT_END |
|
648 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
13296
diff
changeset
|
649 |
IRT_ENTRY(void, InterpreterRuntime::resolve_invoke(JavaThread* thread, Bytecodes::Code bytecode)) { |
1 | 650 |
// extract receiver from the outgoing argument list if necessary |
651 |
Handle receiver(thread, NULL); |
|
652 |
if (bytecode == Bytecodes::_invokevirtual || bytecode == Bytecodes::_invokeinterface) { |
|
653 |
ResourceMark rm(thread); |
|
654 |
methodHandle m (thread, method(thread)); |
|
7913 | 655 |
Bytecode_invoke call(m, bci(thread)); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7915
diff
changeset
|
656 |
Symbol* signature = call.signature(); |
1 | 657 |
receiver = Handle(thread, |
658 |
thread->last_frame().interpreter_callee_receiver(signature)); |
|
659 |
assert(Universe::heap()->is_in_reserved_or_null(receiver()), |
|
660 |
"sanity check"); |
|
661 |
assert(receiver.is_null() || |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
662 |
!Universe::heap()->is_in_reserved(receiver->klass()), |
1 | 663 |
"sanity check"); |
664 |
} |
|
665 |
||
666 |
// resolve method |
|
667 |
CallInfo info; |
|
668 |
constantPoolHandle pool(thread, method(thread)->constants()); |
|
669 |
||
670 |
{ |
|
671 |
JvmtiHideSingleStepping jhss(thread); |
|
672 |
LinkResolver::resolve_invoke(info, receiver, pool, |
|
5688 | 673 |
get_index_u2_cpcache(thread, bytecode), bytecode, CHECK); |
1 | 674 |
if (JvmtiExport::can_hotswap_or_post_breakpoint()) { |
675 |
int retry_count = 0; |
|
676 |
while (info.resolved_method()->is_old()) { |
|
677 |
// It is very unlikely that method is redefined more than 100 times |
|
678 |
// in the middle of resolve. If it is looping here more than 100 times |
|
679 |
// means then there could be a bug here. |
|
680 |
guarantee((retry_count++ < 100), |
|
681 |
"Could not resolve to latest version of redefined method"); |
|
682 |
// method is redefined in the middle of resolve so re-try. |
|
683 |
LinkResolver::resolve_invoke(info, receiver, pool, |
|
5688 | 684 |
get_index_u2_cpcache(thread, bytecode), bytecode, CHECK); |
1 | 685 |
} |
686 |
} |
|
687 |
} // end JvmtiHideSingleStepping |
|
688 |
||
689 |
// check if link resolution caused cpCache to be updated |
|
690 |
if (already_resolved(thread)) return; |
|
691 |
||
692 |
if (bytecode == Bytecodes::_invokeinterface) { |
|
693 |
||
694 |
if (TraceItables && Verbose) { |
|
695 |
ResourceMark rm(thread); |
|
696 |
tty->print_cr("Resolving: klass: %s to method: %s", info.resolved_klass()->name()->as_C_string(), info.resolved_method()->name()->as_C_string()); |
|
697 |
} |
|
698 |
if (info.resolved_method()->method_holder() == |
|
4571 | 699 |
SystemDictionary::Object_klass()) { |
1 | 700 |
// NOTE: THIS IS A FIX FOR A CORNER CASE in the JVM spec |
701 |
// (see also cpCacheOop.cpp for details) |
|
702 |
methodHandle rm = info.resolved_method(); |
|
703 |
assert(rm->is_final() || info.has_vtable_index(), |
|
704 |
"should have been set already"); |
|
705 |
cache_entry(thread)->set_method(bytecode, rm, info.vtable_index()); |
|
706 |
} else { |
|
707 |
// Setup itable entry |
|
708 |
int index = klassItable::compute_itable_index(info.resolved_method()()); |
|
709 |
cache_entry(thread)->set_interface_call(info.resolved_method(), index); |
|
710 |
} |
|
711 |
} else { |
|
712 |
cache_entry(thread)->set_method( |
|
713 |
bytecode, |
|
714 |
info.resolved_method(), |
|
715 |
info.vtable_index()); |
|
716 |
} |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
717 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
718 |
IRT_END |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
719 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
720 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
721 |
// First time execution: Resolve symbols, create a permanent MethodType object. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
722 |
IRT_ENTRY(void, InterpreterRuntime::resolve_invokehandle(JavaThread* thread)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
723 |
assert(EnableInvokeDynamic, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
724 |
const Bytecodes::Code bytecode = Bytecodes::_invokehandle; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
725 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
726 |
// resolve method |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
727 |
CallInfo info; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
728 |
constantPoolHandle pool(thread, method(thread)->constants()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
729 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
730 |
{ |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
731 |
JvmtiHideSingleStepping jhss(thread); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
732 |
LinkResolver::resolve_invoke(info, Handle(), pool, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
733 |
get_index_u2_cpcache(thread, bytecode), bytecode, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
734 |
} // end JvmtiHideSingleStepping |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
735 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
736 |
cache_entry(thread)->set_method_handle( |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
737 |
info.resolved_method(), |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
738 |
info.resolved_appendix(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
739 |
pool->resolved_references()); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
740 |
} |
1 | 741 |
IRT_END |
742 |
||
743 |
||
4429
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3696
diff
changeset
|
744 |
// First time execution: Resolve symbols, create a permanent CallSite object. |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
745 |
IRT_ENTRY(void, InterpreterRuntime::resolve_invokedynamic(JavaThread* thread)) { |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
746 |
assert(EnableInvokeDynamic, ""); |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
747 |
const Bytecodes::Code bytecode = Bytecodes::_invokedynamic; |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
748 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
749 |
//TO DO: consider passing BCI to Java. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
750 |
// int caller_bci = method(thread)->bci_from(bcp(thread)); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
751 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
752 |
// resolve method |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
753 |
CallInfo info; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
754 |
constantPoolHandle pool(thread, method(thread)->constants()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
755 |
int index = get_index_u4(thread, bytecode); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
756 |
{ |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
757 |
JvmtiHideSingleStepping jhss(thread); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
758 |
LinkResolver::resolve_invoke(info, Handle(), pool, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
759 |
index, bytecode, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
760 |
} // end JvmtiHideSingleStepping |
6062
bab93afe9df7
6964498: JSR 292 invokedynamic sites need local bootstrap methods
jrose
parents:
5883
diff
changeset
|
761 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
762 |
ConstantPoolCacheEntry* cp_cache_entry = pool->invokedynamic_cp_cache_entry_at(index); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
763 |
cp_cache_entry->set_dynamic_call( |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
764 |
info.resolved_method(), |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
765 |
info.resolved_appendix(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
766 |
pool->resolved_references()); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
767 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
768 |
IRT_END |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
769 |
|
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
770 |
|
1 | 771 |
//------------------------------------------------------------------------------------------------------------------------ |
772 |
// Miscellaneous |
|
773 |
||
774 |
||
3696 | 775 |
nmethod* InterpreterRuntime::frequency_counter_overflow(JavaThread* thread, address branch_bcp) { |
776 |
nmethod* nm = frequency_counter_overflow_inner(thread, branch_bcp); |
|
777 |
assert(branch_bcp != NULL || nm == NULL, "always returns null for non OSR requests"); |
|
778 |
if (branch_bcp != NULL && nm != NULL) { |
|
779 |
// This was a successful request for an OSR nmethod. Because |
|
780 |
// frequency_counter_overflow_inner ends with a safepoint check, |
|
781 |
// nm could have been unloaded so look it up again. It's unsafe |
|
782 |
// to examine nm directly since it might have been freed and used |
|
783 |
// for something else. |
|
784 |
frame fr = thread->last_frame(); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
785 |
Method* method = fr.interpreter_frame_method(); |
3696 | 786 |
int bci = method->bci_from(fr.interpreter_frame_bcp()); |
6453 | 787 |
nm = method->lookup_osr_nmethod_for(bci, CompLevel_none, false); |
3696 | 788 |
} |
12959
4d33f9be7e87
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
11572
diff
changeset
|
789 |
#ifndef PRODUCT |
4d33f9be7e87
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
11572
diff
changeset
|
790 |
if (TraceOnStackReplacement) { |
4d33f9be7e87
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
11572
diff
changeset
|
791 |
if (nm != NULL) { |
4d33f9be7e87
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
11572
diff
changeset
|
792 |
tty->print("OSR entry @ pc: " INTPTR_FORMAT ": ", nm->osr_entry()); |
4d33f9be7e87
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
11572
diff
changeset
|
793 |
nm->print(); |
4d33f9be7e87
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
11572
diff
changeset
|
794 |
} |
4d33f9be7e87
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
11572
diff
changeset
|
795 |
} |
4d33f9be7e87
7174928: JSR 292: unresolved invokedynamic call sites deopt and osr infinitely
twisti
parents:
11572
diff
changeset
|
796 |
#endif |
3696 | 797 |
return nm; |
798 |
} |
|
799 |
||
1 | 800 |
IRT_ENTRY(nmethod*, |
3696 | 801 |
InterpreterRuntime::frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp)) |
1 | 802 |
// use UnlockFlagSaver to clear and restore the _do_not_unlock_if_synchronized |
803 |
// flag, in case this method triggers classloading which will call into Java. |
|
804 |
UnlockFlagSaver fs(thread); |
|
805 |
||
806 |
frame fr = thread->last_frame(); |
|
807 |
assert(fr.is_interpreted_frame(), "must come from interpreter"); |
|
808 |
methodHandle method(thread, fr.interpreter_frame_method()); |
|
6453 | 809 |
const int branch_bci = branch_bcp != NULL ? method->bci_from(branch_bcp) : InvocationEntryBci; |
810 |
const int bci = branch_bcp != NULL ? method->bci_from(fr.interpreter_frame_bcp()) : InvocationEntryBci; |
|
811 |
||
11572
84afef481892
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
10967
diff
changeset
|
812 |
assert(!HAS_PENDING_EXCEPTION, "Should not have any exceptions pending"); |
10014
a5c2141ee857
7057120: Tiered: Allow C1 to inline methods with loops
iveresov
parents:
10004
diff
changeset
|
813 |
nmethod* osr_nm = CompilationPolicy::policy()->event(method, method, branch_bci, bci, CompLevel_none, NULL, thread); |
11572
84afef481892
7131259: compile_method and CompilationPolicy::event shouldn't be declared TRAPS
iveresov
parents:
10967
diff
changeset
|
814 |
assert(!HAS_PENDING_EXCEPTION, "Event handler should not throw any exceptions"); |
1 | 815 |
|
6453 | 816 |
if (osr_nm != NULL) { |
817 |
// We may need to do on-stack replacement which requires that no |
|
818 |
// monitors in the activation are biased because their |
|
819 |
// BasicObjectLocks will need to migrate during OSR. Force |
|
820 |
// unbiasing of all monitors in the activation now (even though |
|
821 |
// the OSR nmethod might be invalidated) because we don't have a |
|
822 |
// safepoint opportunity later once the migration begins. |
|
823 |
if (UseBiasedLocking) { |
|
824 |
ResourceMark rm; |
|
825 |
GrowableArray<Handle>* objects_to_revoke = new GrowableArray<Handle>(); |
|
826 |
for( BasicObjectLock *kptr = fr.interpreter_frame_monitor_end(); |
|
827 |
kptr < fr.interpreter_frame_monitor_begin(); |
|
828 |
kptr = fr.next_monitor_in_interpreter_frame(kptr) ) { |
|
829 |
if( kptr->obj() != NULL ) { |
|
830 |
objects_to_revoke->append(Handle(THREAD, kptr->obj())); |
|
831 |
} |
|
1 | 832 |
} |
6453 | 833 |
BiasedLocking::revoke(objects_to_revoke); |
1 | 834 |
} |
835 |
} |
|
6453 | 836 |
return osr_nm; |
1 | 837 |
IRT_END |
838 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
839 |
IRT_LEAF(jint, InterpreterRuntime::bcp_to_di(Method* method, address cur_bcp)) |
1 | 840 |
assert(ProfileInterpreter, "must be profiling interpreter"); |
841 |
int bci = method->bci_from(cur_bcp); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
842 |
MethodData* mdo = method->method_data(); |
1 | 843 |
if (mdo == NULL) return 0; |
844 |
return mdo->bci_to_di(bci); |
|
845 |
IRT_END |
|
846 |
||
7889
02144432d0e1
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
7411
diff
changeset
|
847 |
IRT_ENTRY(void, InterpreterRuntime::profile_method(JavaThread* thread)) |
1 | 848 |
// use UnlockFlagSaver to clear and restore the _do_not_unlock_if_synchronized |
849 |
// flag, in case this method triggers classloading which will call into Java. |
|
850 |
UnlockFlagSaver fs(thread); |
|
851 |
||
852 |
assert(ProfileInterpreter, "must be profiling interpreter"); |
|
853 |
frame fr = thread->last_frame(); |
|
854 |
assert(fr.is_interpreted_frame(), "must come from interpreter"); |
|
855 |
methodHandle method(thread, fr.interpreter_frame_method()); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
856 |
Method::build_interpreter_method_data(method, THREAD); |
1 | 857 |
if (HAS_PENDING_EXCEPTION) { |
858 |
assert((PENDING_EXCEPTION->is_a(SystemDictionary::OutOfMemoryError_klass())), "we expect only an OOM error here"); |
|
859 |
CLEAR_PENDING_EXCEPTION; |
|
860 |
// and fall through... |
|
861 |
} |
|
862 |
IRT_END |
|
863 |
||
864 |
||
865 |
#ifdef ASSERT |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
866 |
IRT_LEAF(void, InterpreterRuntime::verify_mdp(Method* method, address bcp, address mdp)) |
1 | 867 |
assert(ProfileInterpreter, "must be profiling interpreter"); |
868 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
869 |
MethodData* mdo = method->method_data(); |
1 | 870 |
assert(mdo != NULL, "must not be null"); |
871 |
||
872 |
int bci = method->bci_from(bcp); |
|
873 |
||
874 |
address mdp2 = mdo->bci_to_dp(bci); |
|
875 |
if (mdp != mdp2) { |
|
876 |
ResourceMark rm; |
|
877 |
ResetNoHandleMark rnm; // In a LEAF entry. |
|
878 |
HandleMark hm; |
|
879 |
tty->print_cr("FAILED verify : actual mdp %p expected mdp %p @ bci %d", mdp, mdp2, bci); |
|
880 |
int current_di = mdo->dp_to_di(mdp); |
|
881 |
int expected_di = mdo->dp_to_di(mdp2); |
|
882 |
tty->print_cr(" actual di %d expected di %d", current_di, expected_di); |
|
883 |
int expected_approx_bci = mdo->data_at(expected_di)->bci(); |
|
884 |
int approx_bci = -1; |
|
885 |
if (current_di >= 0) { |
|
886 |
approx_bci = mdo->data_at(current_di)->bci(); |
|
887 |
} |
|
888 |
tty->print_cr(" actual bci is %d expected bci %d", approx_bci, expected_approx_bci); |
|
889 |
mdo->print_on(tty); |
|
890 |
method->print_codes(); |
|
891 |
} |
|
892 |
assert(mdp == mdp2, "wrong mdp"); |
|
893 |
IRT_END |
|
894 |
#endif // ASSERT |
|
895 |
||
896 |
IRT_ENTRY(void, InterpreterRuntime::update_mdp_for_ret(JavaThread* thread, int return_bci)) |
|
897 |
assert(ProfileInterpreter, "must be profiling interpreter"); |
|
898 |
ResourceMark rm(thread); |
|
899 |
HandleMark hm(thread); |
|
900 |
frame fr = thread->last_frame(); |
|
901 |
assert(fr.is_interpreted_frame(), "must come from interpreter"); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
902 |
MethodData* h_mdo = fr.interpreter_frame_method()->method_data(); |
1 | 903 |
|
904 |
// Grab a lock to ensure atomic access to setting the return bci and |
|
905 |
// the displacement. This can block and GC, invalidating all naked oops. |
|
906 |
MutexLocker ml(RetData_lock); |
|
907 |
||
908 |
// ProfileData is essentially a wrapper around a derived oop, so we |
|
909 |
// need to take the lock before making any ProfileData structures. |
|
910 |
ProfileData* data = h_mdo->data_at(h_mdo->dp_to_di(fr.interpreter_frame_mdp())); |
|
911 |
RetData* rdata = data->as_RetData(); |
|
912 |
address new_mdp = rdata->fixup_ret(return_bci, h_mdo); |
|
913 |
fr.interpreter_frame_set_mdp(new_mdp); |
|
914 |
IRT_END |
|
915 |
||
916 |
||
917 |
IRT_ENTRY(void, InterpreterRuntime::at_safepoint(JavaThread* thread)) |
|
918 |
// We used to need an explict preserve_arguments here for invoke bytecodes. However, |
|
919 |
// stack traversal automatically takes care of preserving arguments for invoke, so |
|
920 |
// this is no longer needed. |
|
921 |
||
922 |
// IRT_END does an implicit safepoint check, hence we are guaranteed to block |
|
923 |
// if this is called during a safepoint |
|
924 |
||
925 |
if (JvmtiExport::should_post_single_step()) { |
|
926 |
// We are called during regular safepoints and when the VM is |
|
927 |
// single stepping. If any thread is marked for single stepping, |
|
928 |
// then we may have JVMTI work to do. |
|
929 |
JvmtiExport::at_single_stepping_point(thread, method(thread), bcp(thread)); |
|
930 |
} |
|
931 |
IRT_END |
|
932 |
||
933 |
IRT_ENTRY(void, InterpreterRuntime::post_field_access(JavaThread *thread, oopDesc* obj, |
|
934 |
ConstantPoolCacheEntry *cp_entry)) |
|
935 |
||
936 |
// check the access_flags for the field in the klass |
|
8725
8c1e3dd5fe1b
7017732: move static fields into Class to prepare for perm gen removal
never
parents:
8676
diff
changeset
|
937 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
938 |
InstanceKlass* ik = InstanceKlass::cast(cp_entry->f1_as_klass()); |
1 | 939 |
int index = cp_entry->field_index(); |
10546 | 940 |
if ((ik->field_access_flags(index) & JVM_ACC_FIELD_ACCESS_WATCHED) == 0) return; |
1 | 941 |
|
942 |
switch(cp_entry->flag_state()) { |
|
943 |
case btos: // fall through |
|
944 |
case ctos: // fall through |
|
945 |
case stos: // fall through |
|
946 |
case itos: // fall through |
|
947 |
case ftos: // fall through |
|
948 |
case ltos: // fall through |
|
949 |
case dtos: // fall through |
|
950 |
case atos: break; |
|
951 |
default: ShouldNotReachHere(); return; |
|
952 |
} |
|
953 |
bool is_static = (obj == NULL); |
|
954 |
HandleMark hm(thread); |
|
955 |
||
956 |
Handle h_obj; |
|
957 |
if (!is_static) { |
|
958 |
// non-static field accessors have an object, but we need a handle |
|
959 |
h_obj = Handle(thread, obj); |
|
960 |
} |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
961 |
instanceKlassHandle h_cp_entry_f1(thread, (Klass*)cp_entry->f1_as_klass()); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
962 |
jfieldID fid = jfieldIDWorkaround::to_jfieldID(h_cp_entry_f1, cp_entry->f2_as_index(), is_static); |
1 | 963 |
JvmtiExport::post_field_access(thread, method(thread), bcp(thread), h_cp_entry_f1, h_obj, fid); |
964 |
IRT_END |
|
965 |
||
966 |
IRT_ENTRY(void, InterpreterRuntime::post_field_modification(JavaThread *thread, |
|
967 |
oopDesc* obj, ConstantPoolCacheEntry *cp_entry, jvalue *value)) |
|
968 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
969 |
Klass* k = (Klass*)cp_entry->f1_as_klass(); |
1 | 970 |
|
971 |
// check the access_flags for the field in the klass |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
972 |
InstanceKlass* ik = InstanceKlass::cast(k); |
1 | 973 |
int index = cp_entry->field_index(); |
974 |
// bail out if field modifications are not watched |
|
10546 | 975 |
if ((ik->field_access_flags(index) & JVM_ACC_FIELD_MODIFICATION_WATCHED) == 0) return; |
1 | 976 |
|
977 |
char sig_type = '\0'; |
|
978 |
||
979 |
switch(cp_entry->flag_state()) { |
|
980 |
case btos: sig_type = 'Z'; break; |
|
981 |
case ctos: sig_type = 'C'; break; |
|
982 |
case stos: sig_type = 'S'; break; |
|
983 |
case itos: sig_type = 'I'; break; |
|
984 |
case ftos: sig_type = 'F'; break; |
|
985 |
case atos: sig_type = 'L'; break; |
|
986 |
case ltos: sig_type = 'J'; break; |
|
987 |
case dtos: sig_type = 'D'; break; |
|
988 |
default: ShouldNotReachHere(); return; |
|
989 |
} |
|
990 |
bool is_static = (obj == NULL); |
|
991 |
||
992 |
HandleMark hm(thread); |
|
993 |
instanceKlassHandle h_klass(thread, k); |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13296
diff
changeset
|
994 |
jfieldID fid = jfieldIDWorkaround::to_jfieldID(h_klass, cp_entry->f2_as_index(), is_static); |
1 | 995 |
jvalue fvalue; |
996 |
#ifdef _LP64 |
|
997 |
fvalue = *value; |
|
998 |
#else |
|
999 |
// Long/double values are stored unaligned and also noncontiguously with |
|
1000 |
// tagged stacks. We can't just do a simple assignment even in the non- |
|
1001 |
// J/D cases because a C++ compiler is allowed to assume that a jvalue is |
|
1002 |
// 8-byte aligned, and interpreter stack slots are only 4-byte aligned. |
|
1003 |
// We assume that the two halves of longs/doubles are stored in interpreter |
|
1004 |
// stack slots in platform-endian order. |
|
1005 |
jlong_accessor u; |
|
1006 |
jint* newval = (jint*)value; |
|
1007 |
u.words[0] = newval[0]; |
|
5419 | 1008 |
u.words[1] = newval[Interpreter::stackElementWords]; // skip if tag |
1 | 1009 |
fvalue.j = u.long_value; |
1010 |
#endif // _LP64 |
|
1011 |
||
1012 |
Handle h_obj; |
|
1013 |
if (!is_static) { |
|
1014 |
// non-static field accessors have an object, but we need a handle |
|
1015 |
h_obj = Handle(thread, obj); |
|
1016 |
} |
|
1017 |
||
1018 |
JvmtiExport::post_raw_field_modification(thread, method(thread), bcp(thread), h_klass, h_obj, |
|
1019 |
fid, sig_type, &fvalue); |
|
1020 |
IRT_END |
|
1021 |
||
1022 |
IRT_ENTRY(void, InterpreterRuntime::post_method_entry(JavaThread *thread)) |
|
1023 |
JvmtiExport::post_method_entry(thread, InterpreterRuntime::method(thread), InterpreterRuntime::last_frame(thread)); |
|
1024 |
IRT_END |
|
1025 |
||
1026 |
||
1027 |
IRT_ENTRY(void, InterpreterRuntime::post_method_exit(JavaThread *thread)) |
|
1028 |
JvmtiExport::post_method_exit(thread, InterpreterRuntime::method(thread), InterpreterRuntime::last_frame(thread)); |
|
1029 |
IRT_END |
|
1030 |
||
1031 |
IRT_LEAF(int, InterpreterRuntime::interpreter_contains(address pc)) |
|
1032 |
{ |
|
1033 |
return (Interpreter::contains(pc) ? 1 : 0); |
|
1034 |
} |
|
1035 |
IRT_END |
|
1036 |
||
1037 |
||
1038 |
// Implementation of SignatureHandlerLibrary |
|
1039 |
||
1040 |
address SignatureHandlerLibrary::set_handler_blob() { |
|
1041 |
BufferBlob* handler_blob = BufferBlob::create("native signature handlers", blob_size); |
|
1042 |
if (handler_blob == NULL) { |
|
1043 |
return NULL; |
|
1044 |
} |
|
6418 | 1045 |
address handler = handler_blob->code_begin(); |
1 | 1046 |
_handler_blob = handler_blob; |
1047 |
_handler = handler; |
|
1048 |
return handler; |
|
1049 |
} |
|
1050 |
||
1051 |
void SignatureHandlerLibrary::initialize() { |
|
1052 |
if (_fingerprints != NULL) { |
|
1053 |
return; |
|
1054 |
} |
|
1055 |
if (set_handler_blob() == NULL) { |
|
1056 |
vm_exit_out_of_memory(blob_size, "native signature handlers"); |
|
1057 |
} |
|
1058 |
||
1059 |
BufferBlob* bb = BufferBlob::create("Signature Handler Temp Buffer", |
|
1060 |
SignatureHandlerLibrary::buffer_size); |
|
6418 | 1061 |
_buffer = bb->code_begin(); |
1 | 1062 |
|
13195 | 1063 |
_fingerprints = new(ResourceObj::C_HEAP, mtCode)GrowableArray<uint64_t>(32, true); |
1064 |
_handlers = new(ResourceObj::C_HEAP, mtCode)GrowableArray<address>(32, true); |
|
1 | 1065 |
} |
1066 |
||
1067 |
address SignatureHandlerLibrary::set_handler(CodeBuffer* buffer) { |
|
1068 |
address handler = _handler; |
|
6418 | 1069 |
int insts_size = buffer->pure_insts_size(); |
1070 |
if (handler + insts_size > _handler_blob->code_end()) { |
|
1 | 1071 |
// get a new handler blob |
1072 |
handler = set_handler_blob(); |
|
1073 |
} |
|
1074 |
if (handler != NULL) { |
|
6418 | 1075 |
memcpy(handler, buffer->insts_begin(), insts_size); |
1 | 1076 |
pd_set_handler(handler); |
6418 | 1077 |
ICache::invalidate_range(handler, insts_size); |
1078 |
_handler = handler + insts_size; |
|
1 | 1079 |
} |
1080 |
return handler; |
|
1081 |
} |
|
1082 |
||
1083 |
void SignatureHandlerLibrary::add(methodHandle method) { |
|
1084 |
if (method->signature_handler() == NULL) { |
|
1085 |
// use slow signature handler if we can't do better |
|
1086 |
int handler_index = -1; |
|
1087 |
// check if we can use customized (fast) signature handler |
|
1088 |
if (UseFastSignatureHandlers && method->size_of_parameters() <= Fingerprinter::max_size_of_parameters) { |
|
1089 |
// use customized signature handler |
|
1090 |
MutexLocker mu(SignatureHandlerLibrary_lock); |
|
1091 |
// make sure data structure is initialized |
|
1092 |
initialize(); |
|
1093 |
// lookup method signature's fingerprint |
|
1094 |
uint64_t fingerprint = Fingerprinter(method).fingerprint(); |
|
1095 |
handler_index = _fingerprints->find(fingerprint); |
|
1096 |
// create handler if necessary |
|
1097 |
if (handler_index < 0) { |
|
1098 |
ResourceMark rm; |
|
1099 |
ptrdiff_t align_offset = (address) |
|
1100 |
round_to((intptr_t)_buffer, CodeEntryAlignment) - (address)_buffer; |
|
1101 |
CodeBuffer buffer((address)(_buffer + align_offset), |
|
1102 |
SignatureHandlerLibrary::buffer_size - align_offset); |
|
1103 |
InterpreterRuntime::SignatureHandlerGenerator(method, &buffer).generate(fingerprint); |
|
1104 |
// copy into code heap |
|
1105 |
address handler = set_handler(&buffer); |
|
1106 |
if (handler == NULL) { |
|
1107 |
// use slow signature handler |
|
1108 |
} else { |
|
1109 |
// debugging suppport |
|
1110 |
if (PrintSignatureHandlers) { |
|
1111 |
tty->cr(); |
|
1112 |
tty->print_cr("argument handler #%d for: %s %s (fingerprint = " UINT64_FORMAT ", %d bytes generated)", |
|
1113 |
_handlers->length(), |
|
1114 |
(method->is_static() ? "static" : "receiver"), |
|
1115 |
method->name_and_sig_as_C_string(), |
|
1116 |
fingerprint, |
|
6418 | 1117 |
buffer.insts_size()); |
1118 |
Disassembler::decode(handler, handler + buffer.insts_size()); |
|
1 | 1119 |
#ifndef PRODUCT |
1120 |
tty->print_cr(" --- associated result handler ---"); |
|
1121 |
address rh_begin = Interpreter::result_handler(method()->result_type()); |
|
1122 |
address rh_end = rh_begin; |
|
1123 |
while (*(int*)rh_end != 0) { |
|
1124 |
rh_end += sizeof(int); |
|
1125 |
} |
|
1126 |
Disassembler::decode(rh_begin, rh_end); |
|
1127 |
#endif |
|
1128 |
} |
|
1129 |
// add handler to library |
|
1130 |
_fingerprints->append(fingerprint); |
|
1131 |
_handlers->append(handler); |
|
1132 |
// set handler index |
|
1133 |
assert(_fingerprints->length() == _handlers->length(), "sanity check"); |
|
1134 |
handler_index = _fingerprints->length() - 1; |
|
1135 |
} |
|
1136 |
} |
|
8109
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1137 |
// Set handler under SignatureHandlerLibrary_lock |
1 | 1138 |
if (handler_index < 0) { |
1139 |
// use generic signature handler |
|
1140 |
method->set_signature_handler(Interpreter::slow_signature_handler()); |
|
1141 |
} else { |
|
1142 |
// set handler |
|
1143 |
method->set_signature_handler(_handlers->at(handler_index)); |
|
1144 |
} |
|
8109
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1145 |
} else { |
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1146 |
CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops()); |
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1147 |
// use generic signature handler |
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1148 |
method->set_signature_handler(Interpreter::slow_signature_handler()); |
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1149 |
} |
1 | 1150 |
} |
7411
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1151 |
#ifdef ASSERT |
8109
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1152 |
int handler_index = -1; |
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1153 |
int fingerprint_index = -2; |
7411
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1154 |
{ |
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1155 |
// '_handlers' and '_fingerprints' are 'GrowableArray's and are NOT synchronized |
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1156 |
// in any way if accessed from multiple threads. To avoid races with another |
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1157 |
// thread which may change the arrays in the above, mutex protected block, we |
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1158 |
// have to protect this read access here with the same mutex as well! |
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1159 |
MutexLocker mu(SignatureHandlerLibrary_lock); |
8109
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1160 |
if (_handlers != NULL) { |
7411
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1161 |
handler_index = _handlers->find(method->signature_handler()); |
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1162 |
fingerprint_index = _fingerprints->find(Fingerprinter(method).fingerprint()); |
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1163 |
} |
8109
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1164 |
} |
1 | 1165 |
assert(method->signature_handler() == Interpreter::slow_signature_handler() || |
7411
afcfb75ccae1
6704010: Internal Error (src/share/vm/interpreter/interpreterRuntime.cpp:1106)
coleenp
parents:
7397
diff
changeset
|
1166 |
handler_index == fingerprint_index, "sanity check"); |
8109
26c288ddbec3
7012088: jump to 0 address because of lack of memory ordering in SignatureHandlerLibrary::add
coleenp
parents:
8107
diff
changeset
|
1167 |
#endif // ASSERT |
1 | 1168 |
} |
1169 |
||
1170 |
||
1171 |
BufferBlob* SignatureHandlerLibrary::_handler_blob = NULL; |
|
1172 |
address SignatureHandlerLibrary::_handler = NULL; |
|
1173 |
GrowableArray<uint64_t>* SignatureHandlerLibrary::_fingerprints = NULL; |
|
1174 |
GrowableArray<address>* SignatureHandlerLibrary::_handlers = NULL; |
|
1175 |
address SignatureHandlerLibrary::_buffer = NULL; |
|
1176 |
||
1177 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1178 |
IRT_ENTRY(void, InterpreterRuntime::prepare_native_call(JavaThread* thread, Method* method)) |
1 | 1179 |
methodHandle m(thread, method); |
1180 |
assert(m->is_native(), "sanity check"); |
|
1181 |
// lookup native function entry point if it doesn't exist |
|
1182 |
bool in_base_library; |
|
1183 |
if (!m->has_native_function()) { |
|
1184 |
NativeLookup::lookup(m, in_base_library, CHECK); |
|
1185 |
} |
|
1186 |
// make sure signature handler is installed |
|
1187 |
SignatureHandlerLibrary::add(m); |
|
1188 |
// The interpreter entry point checks the signature handler first, |
|
1189 |
// before trying to fetch the native entry point and klass mirror. |
|
1190 |
// We must set the signature handler last, so that multiple processors |
|
1191 |
// preparing the same method will be sure to see non-null entry & mirror. |
|
1192 |
IRT_END |
|
1193 |
||
10520
db9177a52cee
7085012: ARM: com/sun/jdi/PopSynchronousTest.java still fails
roland
parents:
10265
diff
changeset
|
1194 |
#if defined(IA32) || defined(AMD64) || defined(ARM) |
1 | 1195 |
IRT_LEAF(void, InterpreterRuntime::popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address)) |
1196 |
if (src_address == dest_address) { |
|
1197 |
return; |
|
1198 |
} |
|
1199 |
ResetNoHandleMark rnm; // In a LEAF entry. |
|
1200 |
HandleMark hm; |
|
1201 |
ResourceMark rm; |
|
1202 |
frame fr = thread->last_frame(); |
|
1203 |
assert(fr.is_interpreted_frame(), ""); |
|
1204 |
jint bci = fr.interpreter_frame_bci(); |
|
1205 |
methodHandle mh(thread, fr.interpreter_frame_method()); |
|
7913 | 1206 |
Bytecode_invoke invoke(mh, bci); |
1207 |
ArgumentSizeComputer asc(invoke.signature()); |
|
1208 |
int size_of_arguments = (asc.size() + (invoke.has_receiver() ? 1 : 0)); // receiver |
|
5883
8dc4bdc132d5
6730276: JDI_REGRESSION tests fail with "Error: count must be non-zero" error on x86
kvn
parents:
5882
diff
changeset
|
1209 |
Copy::conjoint_jbytes(src_address, dest_address, |
5419 | 1210 |
size_of_arguments * Interpreter::stackElementSize); |
1 | 1211 |
IRT_END |
1212 |
#endif |