author | jwilhelm |
Thu, 08 Jun 2017 20:28:04 +0200 | |
changeset 46530 | 7b915076588f |
parent 45325 | 2cded43c8842 |
parent 46364 | 00a21c0ff97e |
child 46560 | 388aa8d67c80 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2017, 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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||
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#include "precompiled.hpp" |
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#include "aot/aotLoader.hpp" |
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#include "classfile/stringTable.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "classfile/vmSymbols.hpp" |
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#include "code/codeCache.hpp" |
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#include "code/compiledIC.hpp" |
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#include "code/scopeDesc.hpp" |
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#include "code/vtableStubs.hpp" |
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#include "compiler/abstractCompiler.hpp" |
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#include "compiler/compileBroker.hpp" |
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#include "compiler/disassembler.hpp" |
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#include "gc/shared/gcLocker.inline.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/interpreterRuntime.hpp" |
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#include "logging/log.hpp" |
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#include "memory/metaspaceShared.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "memory/universe.inline.hpp" |
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#include "oops/klass.hpp" |
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#include "oops/objArrayKlass.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/forte.hpp" |
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#include "prims/jvmtiExport.hpp" |
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#include "prims/methodHandles.hpp" |
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#include "prims/nativeLookup.hpp" |
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#include "runtime/arguments.hpp" |
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#include "runtime/atomic.hpp" |
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#include "runtime/biasedLocking.hpp" |
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#include "runtime/compilationPolicy.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/init.hpp" |
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#include "runtime/interfaceSupport.hpp" |
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#include "runtime/java.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "runtime/vframe.hpp" |
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#include "runtime/vframeArray.hpp" |
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#include "trace/tracing.hpp" |
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#include "utilities/copy.hpp" |
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#include "utilities/dtrace.hpp" |
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#include "utilities/events.hpp" |
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#include "utilities/hashtable.inline.hpp" |
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#include "utilities/macros.hpp" |
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#include "utilities/xmlstream.hpp" |
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#ifdef COMPILER1 |
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#include "c1/c1_Runtime1.hpp" |
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#endif |
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// Shared stub locations |
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RuntimeStub* SharedRuntime::_wrong_method_blob; |
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RuntimeStub* SharedRuntime::_wrong_method_abstract_blob; |
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RuntimeStub* SharedRuntime::_ic_miss_blob; |
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RuntimeStub* SharedRuntime::_resolve_opt_virtual_call_blob; |
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RuntimeStub* SharedRuntime::_resolve_virtual_call_blob; |
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RuntimeStub* SharedRuntime::_resolve_static_call_blob; |
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address SharedRuntime::_resolve_static_call_entry; |
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DeoptimizationBlob* SharedRuntime::_deopt_blob; |
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SafepointBlob* SharedRuntime::_polling_page_vectors_safepoint_handler_blob; |
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SafepointBlob* SharedRuntime::_polling_page_safepoint_handler_blob; |
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SafepointBlob* SharedRuntime::_polling_page_return_handler_blob; |
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#ifdef COMPILER2 |
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UncommonTrapBlob* SharedRuntime::_uncommon_trap_blob; |
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#endif // COMPILER2 |
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//----------------------------generate_stubs----------------------------------- |
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void SharedRuntime::generate_stubs() { |
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_wrong_method_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method), "wrong_method_stub"); |
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_wrong_method_abstract_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method_abstract), "wrong_method_abstract_stub"); |
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_ic_miss_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method_ic_miss), "ic_miss_stub"); |
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_resolve_opt_virtual_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_opt_virtual_call_C), "resolve_opt_virtual_call"); |
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_resolve_virtual_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_virtual_call_C), "resolve_virtual_call"); |
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_resolve_static_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_static_call_C), "resolve_static_call"); |
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_resolve_static_call_entry = _resolve_static_call_blob->entry_point(); |
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#if defined(COMPILER2) || INCLUDE_JVMCI |
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// Vectors are generated only by C2 and JVMCI. |
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bool support_wide = is_wide_vector(MaxVectorSize); |
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if (support_wide) { |
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_polling_page_vectors_safepoint_handler_blob = generate_handler_blob(CAST_FROM_FN_PTR(address, SafepointSynchronize::handle_polling_page_exception), POLL_AT_VECTOR_LOOP); |
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} |
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#endif // COMPILER2 || INCLUDE_JVMCI |
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_polling_page_safepoint_handler_blob = generate_handler_blob(CAST_FROM_FN_PTR(address, SafepointSynchronize::handle_polling_page_exception), POLL_AT_LOOP); |
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_polling_page_return_handler_blob = generate_handler_blob(CAST_FROM_FN_PTR(address, SafepointSynchronize::handle_polling_page_exception), POLL_AT_RETURN); |
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generate_deopt_blob(); |
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#ifdef COMPILER2 |
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generate_uncommon_trap_blob(); |
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#endif // COMPILER2 |
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} |
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#include <math.h> |
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// Implementation of SharedRuntime |
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#ifndef PRODUCT |
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// For statistics |
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int SharedRuntime::_ic_miss_ctr = 0; |
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int SharedRuntime::_wrong_method_ctr = 0; |
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int SharedRuntime::_resolve_static_ctr = 0; |
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int SharedRuntime::_resolve_virtual_ctr = 0; |
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int SharedRuntime::_resolve_opt_virtual_ctr = 0; |
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int SharedRuntime::_implicit_null_throws = 0; |
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int SharedRuntime::_implicit_div0_throws = 0; |
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int SharedRuntime::_throw_null_ctr = 0; |
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int SharedRuntime::_nof_normal_calls = 0; |
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int SharedRuntime::_nof_optimized_calls = 0; |
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int SharedRuntime::_nof_inlined_calls = 0; |
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int SharedRuntime::_nof_megamorphic_calls = 0; |
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int SharedRuntime::_nof_static_calls = 0; |
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int SharedRuntime::_nof_inlined_static_calls = 0; |
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int SharedRuntime::_nof_interface_calls = 0; |
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int SharedRuntime::_nof_optimized_interface_calls = 0; |
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int SharedRuntime::_nof_inlined_interface_calls = 0; |
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int SharedRuntime::_nof_megamorphic_interface_calls = 0; |
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int SharedRuntime::_nof_removable_exceptions = 0; |
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int SharedRuntime::_new_instance_ctr=0; |
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int SharedRuntime::_new_array_ctr=0; |
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int SharedRuntime::_multi1_ctr=0; |
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int SharedRuntime::_multi2_ctr=0; |
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int SharedRuntime::_multi3_ctr=0; |
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int SharedRuntime::_multi4_ctr=0; |
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int SharedRuntime::_multi5_ctr=0; |
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int SharedRuntime::_mon_enter_stub_ctr=0; |
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int SharedRuntime::_mon_exit_stub_ctr=0; |
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int SharedRuntime::_mon_enter_ctr=0; |
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int SharedRuntime::_mon_exit_ctr=0; |
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int SharedRuntime::_partial_subtype_ctr=0; |
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int SharedRuntime::_jbyte_array_copy_ctr=0; |
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int SharedRuntime::_jshort_array_copy_ctr=0; |
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int SharedRuntime::_jint_array_copy_ctr=0; |
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int SharedRuntime::_jlong_array_copy_ctr=0; |
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int SharedRuntime::_oop_array_copy_ctr=0; |
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int SharedRuntime::_checkcast_array_copy_ctr=0; |
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int SharedRuntime::_unsafe_array_copy_ctr=0; |
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int SharedRuntime::_generic_array_copy_ctr=0; |
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int SharedRuntime::_slow_array_copy_ctr=0; |
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int SharedRuntime::_find_handler_ctr=0; |
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int SharedRuntime::_rethrow_ctr=0; |
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int SharedRuntime::_ICmiss_index = 0; |
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int SharedRuntime::_ICmiss_count[SharedRuntime::maxICmiss_count]; |
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address SharedRuntime::_ICmiss_at[SharedRuntime::maxICmiss_count]; |
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void SharedRuntime::trace_ic_miss(address at) { |
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for (int i = 0; i < _ICmiss_index; i++) { |
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if (_ICmiss_at[i] == at) { |
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_ICmiss_count[i]++; |
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return; |
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} |
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} |
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int index = _ICmiss_index++; |
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if (_ICmiss_index >= maxICmiss_count) _ICmiss_index = maxICmiss_count - 1; |
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_ICmiss_at[index] = at; |
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_ICmiss_count[index] = 1; |
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} |
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void SharedRuntime::print_ic_miss_histogram() { |
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if (ICMissHistogram) { |
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tty->print_cr("IC Miss Histogram:"); |
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int tot_misses = 0; |
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for (int i = 0; i < _ICmiss_index; i++) { |
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tty->print_cr(" at: " INTPTR_FORMAT " nof: %d", p2i(_ICmiss_at[i]), _ICmiss_count[i]); |
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tot_misses += _ICmiss_count[i]; |
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} |
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tty->print_cr("Total IC misses: %7d", tot_misses); |
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} |
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} |
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#endif // PRODUCT |
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#if INCLUDE_ALL_GCS |
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// G1 write-barrier pre: executed before a pointer store. |
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JRT_LEAF(void, SharedRuntime::g1_wb_pre(oopDesc* orig, JavaThread *thread)) |
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if (orig == NULL) { |
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assert(false, "should be optimized out"); |
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return; |
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} |
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assert(orig->is_oop(true /* ignore mark word */), "Error"); |
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// store the original value that was in the field reference |
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thread->satb_mark_queue().enqueue(orig); |
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JRT_END |
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|
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// G1 write-barrier post: executed after a pointer store. |
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JRT_LEAF(void, SharedRuntime::g1_wb_post(void* card_addr, JavaThread* thread)) |
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thread->dirty_card_queue().enqueue(card_addr); |
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JRT_END |
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220 |
|
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#endif // INCLUDE_ALL_GCS |
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|
1 | 223 |
|
224 |
JRT_LEAF(jlong, SharedRuntime::lmul(jlong y, jlong x)) |
|
225 |
return x * y; |
|
226 |
JRT_END |
|
227 |
||
228 |
||
229 |
JRT_LEAF(jlong, SharedRuntime::ldiv(jlong y, jlong x)) |
|
230 |
if (x == min_jlong && y == CONST64(-1)) { |
|
231 |
return x; |
|
232 |
} else { |
|
233 |
return x / y; |
|
234 |
} |
|
235 |
JRT_END |
|
236 |
||
237 |
||
238 |
JRT_LEAF(jlong, SharedRuntime::lrem(jlong y, jlong x)) |
|
239 |
if (x == min_jlong && y == CONST64(-1)) { |
|
240 |
return 0; |
|
241 |
} else { |
|
242 |
return x % y; |
|
243 |
} |
|
244 |
JRT_END |
|
245 |
||
246 |
||
247 |
const juint float_sign_mask = 0x7FFFFFFF; |
|
248 |
const juint float_infinity = 0x7F800000; |
|
249 |
const julong double_sign_mask = CONST64(0x7FFFFFFFFFFFFFFF); |
|
250 |
const julong double_infinity = CONST64(0x7FF0000000000000); |
|
251 |
||
252 |
JRT_LEAF(jfloat, SharedRuntime::frem(jfloat x, jfloat y)) |
|
253 |
#ifdef _WIN64 |
|
254 |
// 64-bit Windows on amd64 returns the wrong values for |
|
255 |
// infinity operands. |
|
256 |
union { jfloat f; juint i; } xbits, ybits; |
|
257 |
xbits.f = x; |
|
258 |
ybits.f = y; |
|
259 |
// x Mod Infinity == x unless x is infinity |
|
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if (((xbits.i & float_sign_mask) != float_infinity) && |
1 | 261 |
((ybits.i & float_sign_mask) == float_infinity) ) { |
262 |
return x; |
|
263 |
} |
|
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return ((jfloat)fmod_winx64((double)x, (double)y)); |
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#else |
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return ((jfloat)fmod((double)x,(double)y)); |
1 | 267 |
#endif |
268 |
JRT_END |
|
269 |
||
270 |
||
271 |
JRT_LEAF(jdouble, SharedRuntime::drem(jdouble x, jdouble y)) |
|
272 |
#ifdef _WIN64 |
|
273 |
union { jdouble d; julong l; } xbits, ybits; |
|
274 |
xbits.d = x; |
|
275 |
ybits.d = y; |
|
276 |
// x Mod Infinity == x unless x is infinity |
|
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if (((xbits.l & double_sign_mask) != double_infinity) && |
1 | 278 |
((ybits.l & double_sign_mask) == double_infinity) ) { |
279 |
return x; |
|
280 |
} |
|
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return ((jdouble)fmod_winx64((double)x, (double)y)); |
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#else |
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283 |
return ((jdouble)fmod((double)x,(double)y)); |
1 | 284 |
#endif |
285 |
JRT_END |
|
286 |
||
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#ifdef __SOFTFP__ |
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JRT_LEAF(jfloat, SharedRuntime::fadd(jfloat x, jfloat y)) |
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289 |
return x + y; |
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|
290 |
JRT_END |
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|
291 |
|
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JRT_LEAF(jfloat, SharedRuntime::fsub(jfloat x, jfloat y)) |
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293 |
return x - y; |
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|
294 |
JRT_END |
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|
295 |
|
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296 |
JRT_LEAF(jfloat, SharedRuntime::fmul(jfloat x, jfloat y)) |
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297 |
return x * y; |
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|
298 |
JRT_END |
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|
299 |
|
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300 |
JRT_LEAF(jfloat, SharedRuntime::fdiv(jfloat x, jfloat y)) |
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301 |
return x / y; |
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|
302 |
JRT_END |
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|
303 |
|
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304 |
JRT_LEAF(jdouble, SharedRuntime::dadd(jdouble x, jdouble y)) |
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|
305 |
return x + y; |
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|
306 |
JRT_END |
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|
307 |
|
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|
308 |
JRT_LEAF(jdouble, SharedRuntime::dsub(jdouble x, jdouble y)) |
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|
309 |
return x - y; |
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|
310 |
JRT_END |
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|
311 |
|
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|
312 |
JRT_LEAF(jdouble, SharedRuntime::dmul(jdouble x, jdouble y)) |
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|
313 |
return x * y; |
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|
314 |
JRT_END |
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|
315 |
|
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|
316 |
JRT_LEAF(jdouble, SharedRuntime::ddiv(jdouble x, jdouble y)) |
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|
317 |
return x / y; |
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|
318 |
JRT_END |
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|
319 |
|
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|
320 |
JRT_LEAF(jfloat, SharedRuntime::i2f(jint x)) |
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|
321 |
return (jfloat)x; |
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|
322 |
JRT_END |
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|
323 |
|
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|
324 |
JRT_LEAF(jdouble, SharedRuntime::i2d(jint x)) |
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|
325 |
return (jdouble)x; |
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|
326 |
JRT_END |
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|
327 |
|
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|
328 |
JRT_LEAF(jdouble, SharedRuntime::f2d(jfloat x)) |
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|
329 |
return (jdouble)x; |
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|
330 |
JRT_END |
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|
331 |
|
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|
332 |
JRT_LEAF(int, SharedRuntime::fcmpl(float x, float y)) |
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|
333 |
return x>y ? 1 : (x==y ? 0 : -1); /* x<y or is_nan*/ |
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|
334 |
JRT_END |
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|
335 |
|
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|
336 |
JRT_LEAF(int, SharedRuntime::fcmpg(float x, float y)) |
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|
337 |
return x<y ? -1 : (x==y ? 0 : 1); /* x>y or is_nan */ |
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|
338 |
JRT_END |
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|
339 |
|
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|
340 |
JRT_LEAF(int, SharedRuntime::dcmpl(double x, double y)) |
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|
341 |
return x>y ? 1 : (x==y ? 0 : -1); /* x<y or is_nan */ |
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|
342 |
JRT_END |
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|
343 |
|
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|
344 |
JRT_LEAF(int, SharedRuntime::dcmpg(double x, double y)) |
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|
345 |
return x<y ? -1 : (x==y ? 0 : 1); /* x>y or is_nan */ |
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|
346 |
JRT_END |
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|
347 |
|
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|
348 |
// Functions to return the opposite of the aeabi functions for nan. |
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349 |
JRT_LEAF(int, SharedRuntime::unordered_fcmplt(float x, float y)) |
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|
350 |
return (x < y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
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|
351 |
JRT_END |
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|
352 |
|
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|
353 |
JRT_LEAF(int, SharedRuntime::unordered_dcmplt(double x, double y)) |
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|
354 |
return (x < y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
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|
355 |
JRT_END |
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|
356 |
|
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357 |
JRT_LEAF(int, SharedRuntime::unordered_fcmple(float x, float y)) |
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|
358 |
return (x <= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
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|
359 |
JRT_END |
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|
360 |
|
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|
361 |
JRT_LEAF(int, SharedRuntime::unordered_dcmple(double x, double y)) |
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|
362 |
return (x <= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
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|
363 |
JRT_END |
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|
364 |
|
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|
365 |
JRT_LEAF(int, SharedRuntime::unordered_fcmpge(float x, float y)) |
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|
366 |
return (x >= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
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|
367 |
JRT_END |
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|
368 |
|
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369 |
JRT_LEAF(int, SharedRuntime::unordered_dcmpge(double x, double y)) |
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|
370 |
return (x >= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
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|
371 |
JRT_END |
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|
372 |
|
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373 |
JRT_LEAF(int, SharedRuntime::unordered_fcmpgt(float x, float y)) |
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|
374 |
return (x > y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
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375 |
JRT_END |
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changeset
|
376 |
|
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
377 |
JRT_LEAF(int, SharedRuntime::unordered_dcmpgt(double x, double y)) |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
378 |
return (x > y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
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parents:
5924
diff
changeset
|
379 |
JRT_END |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
380 |
|
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
381 |
// Intrinsics make gcc generate code for these. |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
382 |
float SharedRuntime::fneg(float f) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
383 |
return -f; |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
384 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
385 |
|
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
386 |
double SharedRuntime::dneg(double f) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
387 |
return -f; |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
388 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
389 |
|
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
390 |
#endif // __SOFTFP__ |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
391 |
|
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
392 |
#if defined(__SOFTFP__) || defined(E500V2) |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
393 |
// Intrinsics make gcc generate code for these. |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
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diff
changeset
|
394 |
double SharedRuntime::dabs(double f) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
395 |
return (f <= (double)0.0) ? (double)0.0 - f : f; |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
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diff
changeset
|
396 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
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diff
changeset
|
397 |
|
6965
4ef36b2a6a3a
6989297: Integrate additional portability improvements
bobv
parents:
6463
diff
changeset
|
398 |
#endif |
4ef36b2a6a3a
6989297: Integrate additional portability improvements
bobv
parents:
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diff
changeset
|
399 |
|
34220 | 400 |
#if defined(__SOFTFP__) || defined(PPC) |
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
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diff
changeset
|
401 |
double SharedRuntime::dsqrt(double f) { |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
402 |
return sqrt(f); |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
403 |
} |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
404 |
#endif |
1 | 405 |
|
406 |
JRT_LEAF(jint, SharedRuntime::f2i(jfloat x)) |
|
1884
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
407 |
if (g_isnan(x)) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
408 |
return 0; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
409 |
if (x >= (jfloat) max_jint) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
410 |
return max_jint; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
411 |
if (x <= (jfloat) min_jint) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
412 |
return min_jint; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
413 |
return (jint) x; |
1 | 414 |
JRT_END |
415 |
||
416 |
||
417 |
JRT_LEAF(jlong, SharedRuntime::f2l(jfloat x)) |
|
1884
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
418 |
if (g_isnan(x)) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
419 |
return 0; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
420 |
if (x >= (jfloat) max_jlong) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
421 |
return max_jlong; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
422 |
if (x <= (jfloat) min_jlong) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
423 |
return min_jlong; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
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diff
changeset
|
424 |
return (jlong) x; |
1 | 425 |
JRT_END |
426 |
||
427 |
||
428 |
JRT_LEAF(jint, SharedRuntime::d2i(jdouble x)) |
|
1884
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
429 |
if (g_isnan(x)) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
430 |
return 0; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
431 |
if (x >= (jdouble) max_jint) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
432 |
return max_jint; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
433 |
if (x <= (jdouble) min_jint) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
434 |
return min_jint; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
435 |
return (jint) x; |
1 | 436 |
JRT_END |
437 |
||
438 |
||
439 |
JRT_LEAF(jlong, SharedRuntime::d2l(jdouble x)) |
|
1884
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
440 |
if (g_isnan(x)) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
441 |
return 0; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
442 |
if (x >= (jdouble) max_jlong) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
443 |
return max_jlong; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
444 |
if (x <= (jdouble) min_jlong) |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
445 |
return min_jlong; |
f61e87294c59
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
1618
diff
changeset
|
446 |
return (jlong) x; |
1 | 447 |
JRT_END |
448 |
||
449 |
||
450 |
JRT_LEAF(jfloat, SharedRuntime::d2f(jdouble x)) |
|
451 |
return (jfloat)x; |
|
452 |
JRT_END |
|
453 |
||
454 |
||
455 |
JRT_LEAF(jfloat, SharedRuntime::l2f(jlong x)) |
|
456 |
return (jfloat)x; |
|
457 |
JRT_END |
|
458 |
||
459 |
||
460 |
JRT_LEAF(jdouble, SharedRuntime::l2d(jlong x)) |
|
461 |
return (jdouble)x; |
|
462 |
JRT_END |
|
463 |
||
22551 | 464 |
// Exception handling across interpreter/compiler boundaries |
1 | 465 |
// |
466 |
// exception_handler_for_return_address(...) returns the continuation address. |
|
467 |
// The continuation address is the entry point of the exception handler of the |
|
468 |
// previous frame depending on the return address. |
|
469 |
||
5046 | 470 |
address SharedRuntime::raw_exception_handler_for_return_address(JavaThread* thread, address return_address) { |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
471 |
assert(frame::verify_return_pc(return_address), "must be a return address: " INTPTR_FORMAT, p2i(return_address)); |
28039
bf5a8340bf8a
6898462: The escape analysis with G1 cause crash assertion src/share/vm/runtime/vframeArray.cpp:94
roland
parents:
27883
diff
changeset
|
472 |
assert(thread->frames_to_pop_failed_realloc() == 0 || Interpreter::contains(return_address), "missed frames to pop?"); |
8495
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
473 |
|
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
474 |
// Reset method handle flag. |
5252
58f23871a5b6
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
5050
diff
changeset
|
475 |
thread->set_is_method_handle_return(false); |
58f23871a5b6
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
5050
diff
changeset
|
476 |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
477 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
478 |
// JVMCI's ExceptionHandlerStub expects the thread local exception PC to be clear |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
479 |
// and other exception handler continuations do not read it |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
480 |
thread->set_exception_pc(NULL); |
42650 | 481 |
#endif // INCLUDE_JVMCI |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
482 |
|
8495
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
483 |
// The fastest case first |
1 | 484 |
CodeBlob* blob = CodeCache::find_blob(return_address); |
46364
00a21c0ff97e
8173795: AOT support in raw_exception_handler_for_return_address is broken
dlong
parents:
46329
diff
changeset
|
485 |
CompiledMethod* nm = (blob != NULL) ? blob->as_compiled_method_or_null() : NULL; |
8495
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
486 |
if (nm != NULL) { |
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
487 |
// Set flag if return address is a method handle call site. |
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
488 |
thread->set_is_method_handle_return(nm->is_method_handle_return(return_address)); |
1 | 489 |
// native nmethods don't have exception handlers |
8495
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
490 |
assert(!nm->is_native_method(), "no exception handler"); |
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
491 |
assert(nm->header_begin() != nm->exception_begin(), "no exception handler"); |
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
492 |
if (nm->is_deopt_pc(return_address)) { |
22241
58579a498f3a
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
22223
diff
changeset
|
493 |
// If we come here because of a stack overflow, the stack may be |
58579a498f3a
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
22223
diff
changeset
|
494 |
// unguarded. Reguard the stack otherwise if we return to the |
58579a498f3a
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
22223
diff
changeset
|
495 |
// deopt blob and the stack bang causes a stack overflow we |
58579a498f3a
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
22223
diff
changeset
|
496 |
// crash. |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
497 |
bool guard_pages_enabled = thread->stack_guards_enabled(); |
22241
58579a498f3a
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
22223
diff
changeset
|
498 |
if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
499 |
if (thread->reserved_stack_activation() != thread->stack_base()) { |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
500 |
thread->set_reserved_stack_activation(thread->stack_base()); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
501 |
} |
22241
58579a498f3a
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
22223
diff
changeset
|
502 |
assert(guard_pages_enabled, "stack banging in deopt blob may cause crash"); |
1 | 503 |
return SharedRuntime::deopt_blob()->unpack_with_exception(); |
504 |
} else { |
|
8495
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
505 |
return nm->exception_begin(); |
1 | 506 |
} |
507 |
} |
|
508 |
||
509 |
// Entry code |
|
510 |
if (StubRoutines::returns_to_call_stub(return_address)) { |
|
511 |
return StubRoutines::catch_exception_entry(); |
|
512 |
} |
|
513 |
// Interpreted code |
|
514 |
if (Interpreter::contains(return_address)) { |
|
515 |
return Interpreter::rethrow_exception_entry(); |
|
516 |
} |
|
517 |
||
8495
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
518 |
guarantee(blob == NULL || !blob->is_runtime_stub(), "caller should have skipped stub"); |
1 | 519 |
guarantee(!VtableStubs::contains(return_address), "NULL exceptions in vtables should have been handled already!"); |
8495
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
520 |
|
1 | 521 |
#ifndef PRODUCT |
522 |
{ ResourceMark rm; |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
523 |
tty->print_cr("No exception handler found for exception at " INTPTR_FORMAT " - potential problems:", p2i(return_address)); |
1 | 524 |
tty->print_cr("a) exception happened in (new?) code stubs/buffers that is not handled here"); |
525 |
tty->print_cr("b) other problem"); |
|
526 |
} |
|
527 |
#endif // PRODUCT |
|
8495
a4959965eaa3
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
8107
diff
changeset
|
528 |
|
1 | 529 |
ShouldNotReachHere(); |
530 |
return NULL; |
|
531 |
} |
|
532 |
||
533 |
||
5046 | 534 |
JRT_LEAF(address, SharedRuntime::exception_handler_for_return_address(JavaThread* thread, address return_address)) |
535 |
return raw_exception_handler_for_return_address(thread, return_address); |
|
1 | 536 |
JRT_END |
537 |
||
5046 | 538 |
|
1 | 539 |
address SharedRuntime::get_poll_stub(address pc) { |
540 |
address stub; |
|
541 |
// Look up the code blob |
|
542 |
CodeBlob *cb = CodeCache::find_blob(pc); |
|
543 |
||
544 |
// Should be an nmethod |
|
45325
2cded43c8842
8180813: Null pointer dereference of CodeCache::find_blob() result
thartmann
parents:
42664
diff
changeset
|
545 |
guarantee(cb != NULL && cb->is_compiled(), "safepoint polling: pc must refer to an nmethod"); |
1 | 546 |
|
547 |
// Look up the relocation information |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
548 |
assert(((CompiledMethod*)cb)->is_at_poll_or_poll_return(pc), |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
549 |
"safepoint polling: type must be poll"); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
550 |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
551 |
#ifdef ASSERT |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
552 |
if (!((NativeInstruction*)pc)->is_safepoint_poll()) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
553 |
tty->print_cr("bad pc: " PTR_FORMAT, p2i(pc)); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
554 |
Disassembler::decode(cb); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
555 |
fatal("Only polling locations are used for safepoint"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
556 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
557 |
#endif |
1 | 558 |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
559 |
bool at_poll_return = ((CompiledMethod*)cb)->is_at_poll_return(pc); |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
560 |
bool has_wide_vectors = ((CompiledMethod*)cb)->has_wide_vectors(); |
1 | 561 |
if (at_poll_return) { |
562 |
assert(SharedRuntime::polling_page_return_handler_blob() != NULL, |
|
563 |
"polling page return stub not created yet"); |
|
6418 | 564 |
stub = SharedRuntime::polling_page_return_handler_blob()->entry_point(); |
13883
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
565 |
} else if (has_wide_vectors) { |
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
566 |
assert(SharedRuntime::polling_page_vectors_safepoint_handler_blob() != NULL, |
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
567 |
"polling page vectors safepoint stub not created yet"); |
6979b9850feb
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
13881
diff
changeset
|
568 |
stub = SharedRuntime::polling_page_vectors_safepoint_handler_blob()->entry_point(); |
1 | 569 |
} else { |
570 |
assert(SharedRuntime::polling_page_safepoint_handler_blob() != NULL, |
|
571 |
"polling page safepoint stub not created yet"); |
|
6418 | 572 |
stub = SharedRuntime::polling_page_safepoint_handler_blob()->entry_point(); |
1 | 573 |
} |
33763
cec2333f839c
8140348: Convert TraceSafepoint to Unified Logging
rprotacio
parents:
33611
diff
changeset
|
574 |
log_debug(safepoint)("... found polling page %s exception at pc = " |
cec2333f839c
8140348: Convert TraceSafepoint to Unified Logging
rprotacio
parents:
33611
diff
changeset
|
575 |
INTPTR_FORMAT ", stub =" INTPTR_FORMAT, |
cec2333f839c
8140348: Convert TraceSafepoint to Unified Logging
rprotacio
parents:
33611
diff
changeset
|
576 |
at_poll_return ? "return" : "loop", |
cec2333f839c
8140348: Convert TraceSafepoint to Unified Logging
rprotacio
parents:
33611
diff
changeset
|
577 |
(intptr_t)pc, (intptr_t)stub); |
1 | 578 |
return stub; |
579 |
} |
|
580 |
||
581 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
582 |
oop SharedRuntime::retrieve_receiver( Symbol* sig, frame caller ) { |
1 | 583 |
assert(caller.is_interpreted_frame(), ""); |
584 |
int args_size = ArgumentSizeComputer(sig).size() + 1; |
|
585 |
assert(args_size <= caller.interpreter_frame_expression_stack_size(), "receiver must be on interpreter stack"); |
|
20282
7f9cbdf89af2
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
19710
diff
changeset
|
586 |
oop result = cast_to_oop(*caller.interpreter_frame_tos_at(args_size - 1)); |
1 | 587 |
assert(Universe::heap()->is_in(result) && result->is_oop(), "receiver must be an oop"); |
588 |
return result; |
|
589 |
} |
|
590 |
||
591 |
||
592 |
void SharedRuntime::throw_and_post_jvmti_exception(JavaThread *thread, Handle h_exception) { |
|
4761
bdb7375a1fee
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
4735
diff
changeset
|
593 |
if (JvmtiExport::can_post_on_exceptions()) { |
1 | 594 |
vframeStream vfst(thread, true); |
595 |
methodHandle method = methodHandle(thread, vfst.method()); |
|
596 |
address bcp = method()->bcp_from(vfst.bci()); |
|
597 |
JvmtiExport::post_exception_throw(thread, method(), bcp, h_exception()); |
|
598 |
} |
|
599 |
Exceptions::_throw(thread, __FILE__, __LINE__, h_exception); |
|
600 |
} |
|
601 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
602 |
void SharedRuntime::throw_and_post_jvmti_exception(JavaThread *thread, Symbol* name, const char *message) { |
1 | 603 |
Handle h_exception = Exceptions::new_exception(thread, name, message); |
604 |
throw_and_post_jvmti_exception(thread, h_exception); |
|
605 |
} |
|
606 |
||
2136
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
607 |
// The interpreter code to call this tracing function is only |
38259
b495d1cfe673
8153535: Convert TraceRedefineClasses to Unified Logging
rehn
parents:
38209
diff
changeset
|
608 |
// called/generated when UL is on for redefine, class and has the right level |
b495d1cfe673
8153535: Convert TraceRedefineClasses to Unified Logging
rehn
parents:
38209
diff
changeset
|
609 |
// and tags. Since obsolete methods are never compiled, we don't have |
2136
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
610 |
// to modify the compilers to generate calls to this function. |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
611 |
// |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
612 |
JRT_LEAF(int, SharedRuntime::rc_trace_method_entry( |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
613 |
JavaThread* thread, Method* method)) |
2136
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
614 |
if (method->is_obsolete()) { |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
615 |
// We are calling an obsolete method, but this is not necessarily |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
616 |
// an error. Our method could have been redefined just after we |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
617 |
// fetched the Method* from the constant pool. |
38259
b495d1cfe673
8153535: Convert TraceRedefineClasses to Unified Logging
rehn
parents:
38209
diff
changeset
|
618 |
ResourceMark rm; |
b495d1cfe673
8153535: Convert TraceRedefineClasses to Unified Logging
rehn
parents:
38209
diff
changeset
|
619 |
log_trace(redefine, class, obsolete)("calling obsolete method '%s'", method->name_and_sig_as_C_string()); |
2136
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
620 |
} |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
621 |
return 0; |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
622 |
JRT_END |
c55428da3cec
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
1618
diff
changeset
|
623 |
|
1 | 624 |
// ret_pc points into caller; we are returning caller's exception handler |
625 |
// for given exception |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
626 |
address SharedRuntime::compute_compiled_exc_handler(CompiledMethod* cm, address ret_pc, Handle& exception, |
41057
f77b9d9e0e4c
8164480: Crash with assert(handler_address == SharedRuntime::compute_compiled_exc_handler(..) failed: Must be the same
thartmann
parents:
40655
diff
changeset
|
627 |
bool force_unwind, bool top_frame_only, bool& recursive_exception_occurred) { |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
628 |
assert(cm != NULL, "must exist"); |
1 | 629 |
ResourceMark rm; |
630 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
631 |
#if INCLUDE_JVMCI |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
632 |
if (cm->is_compiled_by_jvmci()) { |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
633 |
// lookup exception handler for this pc |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
634 |
int catch_pco = ret_pc - cm->code_begin(); |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
635 |
ExceptionHandlerTable table(cm); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
636 |
HandlerTableEntry *t = table.entry_for(catch_pco, -1, 0); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
637 |
if (t != NULL) { |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
638 |
return cm->code_begin() + t->pco(); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
639 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
640 |
// there is no exception handler for this pc => deoptimize |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
641 |
cm->make_not_entrant(); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
642 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
643 |
// Use Deoptimization::deoptimize for all of its side-effects: |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
644 |
// revoking biases of monitors, gathering traps statistics, logging... |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
645 |
// it also patches the return pc but we do not care about that |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
646 |
// since we return a continuation to the deopt_blob below. |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
647 |
JavaThread* thread = JavaThread::current(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
648 |
RegisterMap reg_map(thread, UseBiasedLocking); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
649 |
frame runtime_frame = thread->last_frame(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
650 |
frame caller_frame = runtime_frame.sender(®_map); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
651 |
Deoptimization::deoptimize(thread, caller_frame, ®_map, Deoptimization::Reason_not_compiled_exception_handler); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
652 |
|
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
653 |
return SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
654 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
655 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
656 |
#endif // INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
657 |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
658 |
nmethod* nm = cm->as_nmethod(); |
1 | 659 |
ScopeDesc* sd = nm->scope_desc_at(ret_pc); |
660 |
// determine handler bci, if any |
|
661 |
EXCEPTION_MARK; |
|
662 |
||
663 |
int handler_bci = -1; |
|
664 |
int scope_depth = 0; |
|
665 |
if (!force_unwind) { |
|
666 |
int bci = sd->bci(); |
|
10731
ffe24d6f0575
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
10254
diff
changeset
|
667 |
bool recursive_exception = false; |
1 | 668 |
do { |
669 |
bool skip_scope_increment = false; |
|
670 |
// exception handler lookup |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
671 |
Klass* ek = exception->klass(); |
15109
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14626
diff
changeset
|
672 |
methodHandle mh(THREAD, sd->method()); |
088b1ea04490
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
14626
diff
changeset
|
673 |
handler_bci = Method::fast_exception_handler_bci_for(mh, ek, bci, THREAD); |
1 | 674 |
if (HAS_PENDING_EXCEPTION) { |
10731
ffe24d6f0575
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
10254
diff
changeset
|
675 |
recursive_exception = true; |
1 | 676 |
// We threw an exception while trying to find the exception handler. |
677 |
// Transfer the new exception to the exception handle which will |
|
678 |
// be set into thread local storage, and do another lookup for an |
|
679 |
// exception handler for this exception, this time starting at the |
|
680 |
// BCI of the exception handler which caused the exception to be |
|
681 |
// thrown (bugs 4307310 and 4546590). Set "exception" reference |
|
682 |
// argument to ensure that the correct exception is thrown (4870175). |
|
41057
f77b9d9e0e4c
8164480: Crash with assert(handler_address == SharedRuntime::compute_compiled_exc_handler(..) failed: Must be the same
thartmann
parents:
40655
diff
changeset
|
683 |
recursive_exception_occurred = true; |
1 | 684 |
exception = Handle(THREAD, PENDING_EXCEPTION); |
685 |
CLEAR_PENDING_EXCEPTION; |
|
686 |
if (handler_bci >= 0) { |
|
687 |
bci = handler_bci; |
|
688 |
handler_bci = -1; |
|
689 |
skip_scope_increment = true; |
|
690 |
} |
|
691 |
} |
|
10731
ffe24d6f0575
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
10254
diff
changeset
|
692 |
else { |
ffe24d6f0575
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
10254
diff
changeset
|
693 |
recursive_exception = false; |
ffe24d6f0575
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
10254
diff
changeset
|
694 |
} |
1 | 695 |
if (!top_frame_only && handler_bci < 0 && !skip_scope_increment) { |
696 |
sd = sd->sender(); |
|
697 |
if (sd != NULL) { |
|
698 |
bci = sd->bci(); |
|
699 |
} |
|
700 |
++scope_depth; |
|
701 |
} |
|
10731
ffe24d6f0575
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
10254
diff
changeset
|
702 |
} while (recursive_exception || (!top_frame_only && handler_bci < 0 && sd != NULL)); |
1 | 703 |
} |
704 |
||
705 |
// found handling method => lookup exception handler |
|
6418 | 706 |
int catch_pco = ret_pc - nm->code_begin(); |
1 | 707 |
|
708 |
ExceptionHandlerTable table(nm); |
|
709 |
HandlerTableEntry *t = table.entry_for(catch_pco, handler_bci, scope_depth); |
|
710 |
if (t == NULL && (nm->is_compiled_by_c1() || handler_bci != -1)) { |
|
711 |
// Allow abbreviated catch tables. The idea is to allow a method |
|
712 |
// to materialize its exceptions without committing to the exact |
|
713 |
// routing of exceptions. In particular this is needed for adding |
|
22551 | 714 |
// a synthetic handler to unlock monitors when inlining |
715 |
// synchronized methods since the unlock path isn't represented in |
|
1 | 716 |
// the bytecodes. |
717 |
t = table.entry_for(catch_pco, -1, 0); |
|
718 |
} |
|
719 |
||
5334
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
5252
diff
changeset
|
720 |
#ifdef COMPILER1 |
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
5252
diff
changeset
|
721 |
if (t == NULL && nm->is_compiled_by_c1()) { |
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
5252
diff
changeset
|
722 |
assert(nm->unwind_handler_begin() != NULL, ""); |
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
5252
diff
changeset
|
723 |
return nm->unwind_handler_begin(); |
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
5252
diff
changeset
|
724 |
} |
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
5252
diff
changeset
|
725 |
#endif |
b2d040a8d375
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
5252
diff
changeset
|
726 |
|
1 | 727 |
if (t == NULL) { |
35542
9dccb7f9f656
8071374: -XX:+PrintAssembly -XX:+PrintSignatureHandlers crash fastdebug VM with assert(limit == __null || limit <= nm->code_end()) in RelocIterator::initialize
vlivanov
parents:
35135
diff
changeset
|
728 |
ttyLocker ttyl; |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
729 |
tty->print_cr("MISSING EXCEPTION HANDLER for pc " INTPTR_FORMAT " and handler bci %d", p2i(ret_pc), handler_bci); |
1 | 730 |
tty->print_cr(" Exception:"); |
731 |
exception->print(); |
|
732 |
tty->cr(); |
|
733 |
tty->print_cr(" Compiled exception table :"); |
|
734 |
table.print(); |
|
735 |
nm->print_code(); |
|
736 |
guarantee(false, "missing exception handler"); |
|
737 |
return NULL; |
|
738 |
} |
|
739 |
||
6418 | 740 |
return nm->code_begin() + t->pco(); |
1 | 741 |
} |
742 |
||
743 |
JRT_ENTRY(void, SharedRuntime::throw_AbstractMethodError(JavaThread* thread)) |
|
744 |
// These errors occur only at call sites |
|
745 |
throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_AbstractMethodError()); |
|
746 |
JRT_END |
|
747 |
||
189
4248c8e21063
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
1
diff
changeset
|
748 |
JRT_ENTRY(void, SharedRuntime::throw_IncompatibleClassChangeError(JavaThread* thread)) |
4248c8e21063
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
1
diff
changeset
|
749 |
// These errors occur only at call sites |
4248c8e21063
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
1
diff
changeset
|
750 |
throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_IncompatibleClassChangeError(), "vtable stub"); |
4248c8e21063
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
1
diff
changeset
|
751 |
JRT_END |
4248c8e21063
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
1
diff
changeset
|
752 |
|
1 | 753 |
JRT_ENTRY(void, SharedRuntime::throw_ArithmeticException(JavaThread* thread)) |
754 |
throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArithmeticException(), "/ by zero"); |
|
755 |
JRT_END |
|
756 |
||
757 |
JRT_ENTRY(void, SharedRuntime::throw_NullPointerException(JavaThread* thread)) |
|
758 |
throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); |
|
759 |
JRT_END |
|
760 |
||
761 |
JRT_ENTRY(void, SharedRuntime::throw_NullPointerException_at_call(JavaThread* thread)) |
|
762 |
// This entry point is effectively only used for NullPointerExceptions which occur at inline |
|
763 |
// cache sites (when the callee activation is not yet set up) so we are at a call site |
|
764 |
throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); |
|
765 |
JRT_END |
|
766 |
||
767 |
JRT_ENTRY(void, SharedRuntime::throw_StackOverflowError(JavaThread* thread)) |
|
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
768 |
throw_StackOverflowError_common(thread, false); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
769 |
JRT_END |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
770 |
|
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
771 |
JRT_ENTRY(void, SharedRuntime::throw_delayed_StackOverflowError(JavaThread* thread)) |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
772 |
throw_StackOverflowError_common(thread, true); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
773 |
JRT_END |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
774 |
|
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
775 |
void SharedRuntime::throw_StackOverflowError_common(JavaThread* thread, bool delayed) { |
1 | 776 |
// We avoid using the normal exception construction in this case because |
777 |
// it performs an upcall to Java, and we're already out of stack space. |
|
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
778 |
Thread* THREAD = thread; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
779 |
Klass* k = SystemDictionary::StackOverflowError_klass(); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
780 |
oop exception_oop = InstanceKlass::cast(k)->allocate_instance(CHECK); |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
781 |
if (delayed) { |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
782 |
java_lang_Throwable::set_message(exception_oop, |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
783 |
Universe::delayed_stack_overflow_error_message()); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
784 |
} |
1 | 785 |
Handle exception (thread, exception_oop); |
786 |
if (StackTraceInThrowable) { |
|
787 |
java_lang_Throwable::fill_in_stack_trace(exception); |
|
788 |
} |
|
31335
60081f497e75
8035074: hs_err improvement: Add time zone information in the hs_err file
coleenp
parents:
30764
diff
changeset
|
789 |
// Increment counter for hs_err file reporting |
60081f497e75
8035074: hs_err improvement: Add time zone information in the hs_err file
coleenp
parents:
30764
diff
changeset
|
790 |
Atomic::inc(&Exceptions::_stack_overflow_errors); |
1 | 791 |
throw_and_post_jvmti_exception(thread, exception); |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
792 |
} |
1 | 793 |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
794 |
#if INCLUDE_JVMCI |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
795 |
address SharedRuntime::deoptimize_for_implicit_exception(JavaThread* thread, address pc, CompiledMethod* nm, int deopt_reason) { |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
796 |
assert(deopt_reason > Deoptimization::Reason_none && deopt_reason < Deoptimization::Reason_LIMIT, "invalid deopt reason"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
797 |
thread->set_jvmci_implicit_exception_pc(pc); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
798 |
thread->set_pending_deoptimization(Deoptimization::make_trap_request((Deoptimization::DeoptReason)deopt_reason, Deoptimization::Action_reinterpret)); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
799 |
return (SharedRuntime::deopt_blob()->implicit_exception_uncommon_trap()); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
800 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
801 |
#endif // INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
802 |
|
1 | 803 |
address SharedRuntime::continuation_for_implicit_exception(JavaThread* thread, |
804 |
address pc, |
|
805 |
SharedRuntime::ImplicitExceptionKind exception_kind) |
|
806 |
{ |
|
807 |
address target_pc = NULL; |
|
808 |
||
809 |
if (Interpreter::contains(pc)) { |
|
810 |
#ifdef CC_INTERP |
|
811 |
// C++ interpreter doesn't throw implicit exceptions |
|
812 |
ShouldNotReachHere(); |
|
813 |
#else |
|
814 |
switch (exception_kind) { |
|
815 |
case IMPLICIT_NULL: return Interpreter::throw_NullPointerException_entry(); |
|
816 |
case IMPLICIT_DIVIDE_BY_ZERO: return Interpreter::throw_ArithmeticException_entry(); |
|
817 |
case STACK_OVERFLOW: return Interpreter::throw_StackOverflowError_entry(); |
|
818 |
default: ShouldNotReachHere(); |
|
819 |
} |
|
820 |
#endif // !CC_INTERP |
|
821 |
} else { |
|
822 |
switch (exception_kind) { |
|
823 |
case STACK_OVERFLOW: { |
|
824 |
// Stack overflow only occurs upon frame setup; the callee is |
|
825 |
// going to be unwound. Dispatch to a shared runtime stub |
|
826 |
// which will cause the StackOverflowError to be fabricated |
|
827 |
// and processed. |
|
24018
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23873
diff
changeset
|
828 |
// Stack overflow should never occur during deoptimization: |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23873
diff
changeset
|
829 |
// the compiled method bangs the stack by as much as the |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23873
diff
changeset
|
830 |
// interpreter would need in case of a deoptimization. The |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23873
diff
changeset
|
831 |
// deoptimization blob and uncommon trap blob bang the stack |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23873
diff
changeset
|
832 |
// in a debug VM to verify the correctness of the compiled |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23873
diff
changeset
|
833 |
// method stack banging. |
77b156916bab
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
23873
diff
changeset
|
834 |
assert(thread->deopt_mark() == NULL, "no stack overflow from deopt blob/uncommon trap"); |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
835 |
Events::log_exception(thread, "StackOverflowError at " INTPTR_FORMAT, p2i(pc)); |
1 | 836 |
return StubRoutines::throw_StackOverflowError_entry(); |
837 |
} |
|
838 |
||
839 |
case IMPLICIT_NULL: { |
|
840 |
if (VtableStubs::contains(pc)) { |
|
841 |
// We haven't yet entered the callee frame. Fabricate an |
|
842 |
// exception and begin dispatching it in the caller. Since |
|
843 |
// the caller was at a call site, it's safe to destroy all |
|
844 |
// caller-saved registers, as these entry points do. |
|
845 |
VtableStub* vt_stub = VtableStubs::stub_containing(pc); |
|
1618
2d86b9b84aa5
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
1388
diff
changeset
|
846 |
|
2d86b9b84aa5
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
1388
diff
changeset
|
847 |
// If vt_stub is NULL, then return NULL to signal handler to report the SEGV error. |
2d86b9b84aa5
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
1388
diff
changeset
|
848 |
if (vt_stub == NULL) return NULL; |
2d86b9b84aa5
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
1388
diff
changeset
|
849 |
|
1 | 850 |
if (vt_stub->is_abstract_method_error(pc)) { |
851 |
assert(!vt_stub->is_vtable_stub(), "should never see AbstractMethodErrors from vtable-type VtableStubs"); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
852 |
Events::log_exception(thread, "AbstractMethodError at " INTPTR_FORMAT, p2i(pc)); |
1 | 853 |
return StubRoutines::throw_AbstractMethodError_entry(); |
854 |
} else { |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
855 |
Events::log_exception(thread, "NullPointerException at vtable entry " INTPTR_FORMAT, p2i(pc)); |
1 | 856 |
return StubRoutines::throw_NullPointerException_at_call_entry(); |
857 |
} |
|
858 |
} else { |
|
859 |
CodeBlob* cb = CodeCache::find_blob(pc); |
|
1618
2d86b9b84aa5
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
1388
diff
changeset
|
860 |
|
2d86b9b84aa5
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
1388
diff
changeset
|
861 |
// If code blob is NULL, then return NULL to signal handler to report the SEGV error. |
2d86b9b84aa5
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
1388
diff
changeset
|
862 |
if (cb == NULL) return NULL; |
1 | 863 |
|
864 |
// Exception happened in CodeCache. Must be either: |
|
865 |
// 1. Inline-cache check in C2I handler blob, |
|
866 |
// 2. Inline-cache check in nmethod, or |
|
22551 | 867 |
// 3. Implicit null exception in nmethod |
1 | 868 |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
869 |
if (!cb->is_compiled()) { |
18434 | 870 |
bool is_in_blob = cb->is_adapter_blob() || cb->is_method_handles_adapter_blob(); |
871 |
if (!is_in_blob) { |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
872 |
// Allow normal crash reporting to handle this |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
873 |
return NULL; |
18434 | 874 |
} |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
875 |
Events::log_exception(thread, "NullPointerException in code blob at " INTPTR_FORMAT, p2i(pc)); |
1 | 876 |
// There is no handler here, so we will simply unwind. |
877 |
return StubRoutines::throw_NullPointerException_at_call_entry(); |
|
878 |
} |
|
879 |
||
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
880 |
// Otherwise, it's a compiled method. Consult its exception handlers. |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
881 |
CompiledMethod* cm = (CompiledMethod*)cb; |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
882 |
if (cm->inlinecache_check_contains(pc)) { |
1 | 883 |
// exception happened inside inline-cache check code |
884 |
// => the nmethod is not yet active (i.e., the frame |
|
885 |
// is not set up yet) => use return address pushed by |
|
886 |
// caller => don't push another return address |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
887 |
Events::log_exception(thread, "NullPointerException in IC check " INTPTR_FORMAT, p2i(pc)); |
1 | 888 |
return StubRoutines::throw_NullPointerException_at_call_entry(); |
889 |
} |
|
890 |
||
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
891 |
if (cm->method()->is_method_handle_intrinsic()) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
892 |
// exception happened inside MH dispatch code, similar to a vtable stub |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
893 |
Events::log_exception(thread, "NullPointerException in MH adapter " INTPTR_FORMAT, p2i(pc)); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
894 |
return StubRoutines::throw_NullPointerException_at_call_entry(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
895 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
896 |
|
1 | 897 |
#ifndef PRODUCT |
898 |
_implicit_null_throws++; |
|
899 |
#endif |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
900 |
#if INCLUDE_JVMCI |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
901 |
if (cm->is_compiled_by_jvmci() && cm->pc_desc_at(pc) != NULL) { |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
902 |
// If there's no PcDesc then we'll die way down inside of |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
903 |
// deopt instead of just getting normal error reporting, |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
904 |
// so only go there if it will succeed. |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
905 |
return deoptimize_for_implicit_exception(thread, pc, cm, Deoptimization::Reason_null_check); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
906 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
907 |
#endif // INCLUDE_JVMCI |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
908 |
assert (cm->is_nmethod(), "Expect nmethod"); |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
909 |
target_pc = ((nmethod*)cm)->continuation_for_implicit_exception(pc); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
910 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
911 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
912 |
#endif // INCLUDE_JVMCI |
4891 | 913 |
// If there's an unexpected fault, target_pc might be NULL, |
914 |
// in which case we want to fall through into the normal |
|
915 |
// error handling code. |
|
1 | 916 |
} |
917 |
||
918 |
break; // fall through |
|
919 |
} |
|
920 |
||
921 |
||
922 |
case IMPLICIT_DIVIDE_BY_ZERO: { |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
923 |
CompiledMethod* cm = CodeCache::find_compiled(pc); |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
924 |
guarantee(cm != NULL, "must have containing compiled method for implicit division-by-zero exceptions"); |
1 | 925 |
#ifndef PRODUCT |
926 |
_implicit_div0_throws++; |
|
927 |
#endif |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
928 |
#if INCLUDE_JVMCI |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
929 |
if (cm->is_compiled_by_jvmci() && cm->pc_desc_at(pc) != NULL) { |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
930 |
return deoptimize_for_implicit_exception(thread, pc, cm, Deoptimization::Reason_div0_check); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
931 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
932 |
#endif // INCLUDE_JVMCI |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
933 |
target_pc = cm->continuation_for_implicit_exception(pc); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
934 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
935 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
936 |
#endif // INCLUDE_JVMCI |
4891 | 937 |
// If there's an unexpected fault, target_pc might be NULL, |
938 |
// in which case we want to fall through into the normal |
|
939 |
// error handling code. |
|
1 | 940 |
break; // fall through |
941 |
} |
|
942 |
||
943 |
default: ShouldNotReachHere(); |
|
944 |
} |
|
945 |
||
946 |
assert(exception_kind == IMPLICIT_NULL || exception_kind == IMPLICIT_DIVIDE_BY_ZERO, "wrong implicit exception kind"); |
|
947 |
||
948 |
if (exception_kind == IMPLICIT_NULL) { |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
949 |
#ifndef PRODUCT |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
950 |
// for AbortVMOnException flag |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
951 |
Exceptions::debug_check_abort("java.lang.NullPointerException"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
952 |
#endif //PRODUCT |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
953 |
Events::log_exception(thread, "Implicit null exception at " INTPTR_FORMAT " to " INTPTR_FORMAT, p2i(pc), p2i(target_pc)); |
1 | 954 |
} else { |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
955 |
#ifndef PRODUCT |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
956 |
// for AbortVMOnException flag |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
957 |
Exceptions::debug_check_abort("java.lang.ArithmeticException"); |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
958 |
#endif //PRODUCT |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
959 |
Events::log_exception(thread, "Implicit division by zero exception at " INTPTR_FORMAT " to " INTPTR_FORMAT, p2i(pc), p2i(target_pc)); |
1 | 960 |
} |
961 |
return target_pc; |
|
962 |
} |
|
963 |
||
964 |
ShouldNotReachHere(); |
|
965 |
return NULL; |
|
966 |
} |
|
967 |
||
968 |
||
17381
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
969 |
/** |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
970 |
* Throws an java/lang/UnsatisfiedLinkError. The address of this method is |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
971 |
* installed in the native function entry of all native Java methods before |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
972 |
* they get linked to their actual native methods. |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
973 |
* |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
974 |
* \note |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
975 |
* This method actually never gets called! The reason is because |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
976 |
* the interpreter's native entries call NativeLookup::lookup() which |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
977 |
* throws the exception when the lookup fails. The exception is then |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
978 |
* caught and forwarded on the return from NativeLookup::lookup() call |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
979 |
* before the call to the native function. This might change in the future. |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
980 |
*/ |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
981 |
JNI_ENTRY(void*, throw_unsatisfied_link_error(JNIEnv* env, ...)) |
1 | 982 |
{ |
17381
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
983 |
// We return a bad value here to make sure that the exception is |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
984 |
// forwarded before we look at the return value. |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17125
diff
changeset
|
985 |
THROW_(vmSymbols::java_lang_UnsatisfiedLinkError(), (void*)badJNIHandle); |
13396
1b2b5f740ee0
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
13391
diff
changeset
|
986 |
} |
1b2b5f740ee0
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
13391
diff
changeset
|
987 |
JNI_END |
1 | 988 |
|
989 |
address SharedRuntime::native_method_throw_unsatisfied_link_error_entry() { |
|
990 |
return CAST_FROM_FN_PTR(address, &throw_unsatisfied_link_error); |
|
991 |
} |
|
992 |
||
993 |
JRT_ENTRY_NO_ASYNC(void, SharedRuntime::register_finalizer(JavaThread* thread, oopDesc* obj)) |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
994 |
#if INCLUDE_JVMCI |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
995 |
if (!obj->klass()->has_finalizer()) { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
996 |
return; |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
997 |
} |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
998 |
#endif // INCLUDE_JVMCI |
42650 | 999 |
assert(obj->is_oop(), "must be a valid oop"); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1000 |
assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1001 |
InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
1 | 1002 |
JRT_END |
1003 |
||
1004 |
||
1005 |
jlong SharedRuntime::get_java_tid(Thread* thread) { |
|
1006 |
if (thread != NULL) { |
|
1007 |
if (thread->is_Java_thread()) { |
|
1008 |
oop obj = ((JavaThread*)thread)->threadObj(); |
|
1009 |
return (obj == NULL) ? 0 : java_lang_Thread::thread_id(obj); |
|
1010 |
} |
|
1011 |
} |
|
1012 |
return 0; |
|
1013 |
} |
|
1014 |
||
1015 |
/** |
|
1016 |
* This function ought to be a void function, but cannot be because |
|
1017 |
* it gets turned into a tail-call on sparc, which runs into dtrace bug |
|
1018 |
* 6254741. Once that is fixed we can remove the dummy return value. |
|
1019 |
*/ |
|
23995
fc58ec725daf
8039904: dtrace/hotspot/Monitors/Monitors001 fails with "assert(s > 0) failed: Bad size calculated"
coleenp
parents:
23865
diff
changeset
|
1020 |
int SharedRuntime::dtrace_object_alloc(oopDesc* o, int size) { |
fc58ec725daf
8039904: dtrace/hotspot/Monitors/Monitors001 fails with "assert(s > 0) failed: Bad size calculated"
coleenp
parents:
23865
diff
changeset
|
1021 |
return dtrace_object_alloc_base(Thread::current(), o, size); |
1 | 1022 |
} |
1023 |
||
23995
fc58ec725daf
8039904: dtrace/hotspot/Monitors/Monitors001 fails with "assert(s > 0) failed: Bad size calculated"
coleenp
parents:
23865
diff
changeset
|
1024 |
int SharedRuntime::dtrace_object_alloc_base(Thread* thread, oopDesc* o, int size) { |
1 | 1025 |
assert(DTraceAllocProbes, "wrong call"); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1026 |
Klass* klass = o->klass(); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1027 |
Symbol* name = klass->name(); |
10739 | 1028 |
HOTSPOT_OBJECT_ALLOC( |
1029 |
get_java_tid(thread), |
|
1030 |
(char *) name->bytes(), name->utf8_length(), size * HeapWordSize); |
|
1 | 1031 |
return 0; |
1032 |
} |
|
1033 |
||
1034 |
JRT_LEAF(int, SharedRuntime::dtrace_method_entry( |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1035 |
JavaThread* thread, Method* method)) |
1 | 1036 |
assert(DTraceMethodProbes, "wrong call"); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1037 |
Symbol* kname = method->klass_name(); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1038 |
Symbol* name = method->name(); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1039 |
Symbol* sig = method->signature(); |
10739 | 1040 |
HOTSPOT_METHOD_ENTRY( |
1041 |
get_java_tid(thread), |
|
1042 |
(char *) kname->bytes(), kname->utf8_length(), |
|
1043 |
(char *) name->bytes(), name->utf8_length(), |
|
1044 |
(char *) sig->bytes(), sig->utf8_length()); |
|
1 | 1045 |
return 0; |
1046 |
JRT_END |
|
1047 |
||
1048 |
JRT_LEAF(int, SharedRuntime::dtrace_method_exit( |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1049 |
JavaThread* thread, Method* method)) |
1 | 1050 |
assert(DTraceMethodProbes, "wrong call"); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1051 |
Symbol* kname = method->klass_name(); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1052 |
Symbol* name = method->name(); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
1053 |
Symbol* sig = method->signature(); |
10739 | 1054 |
HOTSPOT_METHOD_RETURN( |
1055 |
get_java_tid(thread), |
|
1056 |
(char *) kname->bytes(), kname->utf8_length(), |
|
1057 |
(char *) name->bytes(), name->utf8_length(), |
|
1058 |
(char *) sig->bytes(), sig->utf8_length()); |
|
1 | 1059 |
return 0; |
1060 |
JRT_END |
|
1061 |
||
1062 |
||
1063 |
// Finds receiver, CallInfo (i.e. receiver method), and calling bytecode) |
|
1064 |
// for a call current in progress, i.e., arguments has been pushed on stack |
|
1065 |
// put callee has not been invoked yet. Used by: resolve virtual/static, |
|
1066 |
// vtable updates, etc. Caller frame must be compiled. |
|
1067 |
Handle SharedRuntime::find_callee_info(JavaThread* thread, Bytecodes::Code& bc, CallInfo& callinfo, TRAPS) { |
|
1068 |
ResourceMark rm(THREAD); |
|
1069 |
||
1070 |
// last java frame on stack (which includes native call frames) |
|
1071 |
vframeStream vfst(thread, true); // Do not skip and javaCalls |
|
1072 |
||
27677 | 1073 |
return find_callee_info_helper(thread, vfst, bc, callinfo, THREAD); |
1 | 1074 |
} |
1075 |
||
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1076 |
methodHandle SharedRuntime::extract_attached_method(vframeStream& vfst) { |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1077 |
CompiledMethod* caller = vfst.nm(); |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1078 |
|
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1079 |
nmethodLocker caller_lock(caller); |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1080 |
|
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1081 |
address pc = vfst.frame_pc(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1082 |
{ // Get call instruction under lock because another thread may be busy patching it. |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1083 |
MutexLockerEx ml_patch(Patching_lock, Mutex::_no_safepoint_check_flag); |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1084 |
return caller->attached_method_before_pc(pc); |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1085 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1086 |
return NULL; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1087 |
} |
1 | 1088 |
|
1089 |
// Finds receiver, CallInfo (i.e. receiver method), and calling bytecode |
|
1090 |
// for a call current in progress, i.e., arguments has been pushed on stack |
|
1091 |
// but callee has not been invoked yet. Caller frame must be compiled. |
|
1092 |
Handle SharedRuntime::find_callee_info_helper(JavaThread* thread, |
|
1093 |
vframeStream& vfst, |
|
1094 |
Bytecodes::Code& bc, |
|
1095 |
CallInfo& callinfo, TRAPS) { |
|
1096 |
Handle receiver; |
|
1097 |
Handle nullHandle; //create a handy null handle for exception returns |
|
1098 |
||
1099 |
assert(!vfst.at_end(), "Java frame must exist"); |
|
1100 |
||
1101 |
// Find caller and bci from vframe |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1102 |
methodHandle caller(THREAD, vfst.method()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1103 |
int bci = vfst.bci(); |
1 | 1104 |
|
7913 | 1105 |
Bytecode_invoke bytecode(caller, bci); |
1106 |
int bytecode_index = bytecode.index(); |
|
1 | 1107 |
|
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1108 |
methodHandle attached_method = extract_attached_method(vfst); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1109 |
if (attached_method.not_null()) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1110 |
methodHandle callee = bytecode.static_target(CHECK_NH); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1111 |
vmIntrinsics::ID id = callee->intrinsic_id(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1112 |
// When VM replaces MH.invokeBasic/linkTo* call with a direct/virtual call, |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1113 |
// it attaches statically resolved method to the call site. |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1114 |
if (MethodHandles::is_signature_polymorphic(id) && |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1115 |
MethodHandles::is_signature_polymorphic_intrinsic(id)) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1116 |
bc = MethodHandles::signature_polymorphic_intrinsic_bytecode(id); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1117 |
|
36331
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1118 |
// Adjust invocation mode according to the attached method. |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1119 |
switch (bc) { |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1120 |
case Bytecodes::_invokeinterface: |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1121 |
if (!attached_method->method_holder()->is_interface()) { |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1122 |
bc = Bytecodes::_invokevirtual; |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1123 |
} |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1124 |
break; |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1125 |
case Bytecodes::_invokehandle: |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1126 |
if (!MethodHandles::is_signature_polymorphic_method(attached_method())) { |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1127 |
bc = attached_method->is_static() ? Bytecodes::_invokestatic |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1128 |
: Bytecodes::_invokevirtual; |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1129 |
} |
eeeb86fd9922
8150436: Incorrect invocation mode when linkToInteface linker is eliminated
vlivanov
parents:
35606
diff
changeset
|
1130 |
break; |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1131 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1132 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1133 |
} else { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1134 |
bc = bytecode.invoke_code(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1135 |
} |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1136 |
|
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1137 |
bool has_receiver = bc != Bytecodes::_invokestatic && |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1138 |
bc != Bytecodes::_invokedynamic && |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1139 |
bc != Bytecodes::_invokehandle; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1140 |
|
1 | 1141 |
// Find receiver for non-static call |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1142 |
if (has_receiver) { |
1 | 1143 |
// This register map must be update since we need to find the receiver for |
1144 |
// compiled frames. The receiver might be in a register. |
|
1145 |
RegisterMap reg_map2(thread); |
|
1146 |
frame stubFrame = thread->last_frame(); |
|
1147 |
// Caller-frame is a compiled frame |
|
1148 |
frame callerFrame = stubFrame.sender(®_map2); |
|
1149 |
||
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1150 |
if (attached_method.is_null()) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1151 |
methodHandle callee = bytecode.static_target(CHECK_NH); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1152 |
if (callee.is_null()) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1153 |
THROW_(vmSymbols::java_lang_NoSuchMethodException(), nullHandle); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1154 |
} |
1 | 1155 |
} |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1156 |
|
1 | 1157 |
// Retrieve from a compiled argument list |
1158 |
receiver = Handle(THREAD, callerFrame.retrieve_receiver(®_map2)); |
|
1159 |
||
1160 |
if (receiver.is_null()) { |
|
1161 |
THROW_(vmSymbols::java_lang_NullPointerException(), nullHandle); |
|
1162 |
} |
|
1163 |
} |
|
1164 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1165 |
assert(receiver.is_null() || receiver->is_oop(), "wrong receiver"); |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1166 |
|
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1167 |
// Resolve method |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1168 |
if (attached_method.not_null()) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1169 |
// Parameterized by attached method. |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1170 |
LinkResolver::resolve_invoke(callinfo, receiver, attached_method, bc, CHECK_NH); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1171 |
} else { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1172 |
// Parameterized by bytecode. |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1173 |
constantPoolHandle constants(THREAD, caller->constants()); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1174 |
LinkResolver::resolve_invoke(callinfo, receiver, constants, bytecode_index, bc, CHECK_NH); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1175 |
} |
1 | 1176 |
|
1177 |
#ifdef ASSERT |
|
1178 |
// Check that the receiver klass is of the right subtype and that it is initialized for virtual calls |
|
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1179 |
if (has_receiver) { |
1 | 1180 |
assert(receiver.not_null(), "should have thrown exception"); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
1181 |
Klass* receiver_klass = receiver->klass(); |
35086
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1182 |
Klass* rk = NULL; |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1183 |
if (attached_method.not_null()) { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1184 |
// In case there's resolved method attached, use its holder during the check. |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1185 |
rk = attached_method->method_holder(); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1186 |
} else { |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1187 |
// Klass is already loaded. |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1188 |
constantPoolHandle constants(THREAD, caller->constants()); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1189 |
rk = constants->klass_ref_at(bytecode_index, CHECK_NH); |
bbf32241d851
8072008: Emit direct call instead of linkTo* for recursive indy/MH.invoke* calls
vlivanov
parents:
34220
diff
changeset
|
1190 |
} |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
1191 |
Klass* static_receiver_klass = rk; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1192 |
methodHandle callee = callinfo.selected_method(); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
1193 |
assert(receiver_klass->is_subtype_of(static_receiver_klass), |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1194 |
"actual receiver must be subclass of static receiver klass"); |
33611
9abd65805e19
8139203: Consistent naming for klass type predicates
coleenp
parents:
33593
diff
changeset
|
1195 |
if (receiver_klass->is_instance_klass()) { |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
1196 |
if (InstanceKlass::cast(receiver_klass)->is_not_initialized()) { |
1 | 1197 |
tty->print_cr("ERROR: Klass not yet initialized!!"); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
1198 |
receiver_klass->print(); |
1 | 1199 |
} |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
1200 |
assert(!InstanceKlass::cast(receiver_klass)->is_not_initialized(), "receiver_klass must be initialized"); |
1 | 1201 |
} |
1202 |
} |
|
1203 |
#endif |
|
1204 |
||
1205 |
return receiver; |
|
1206 |
} |
|
1207 |
||
1208 |
methodHandle SharedRuntime::find_callee_method(JavaThread* thread, TRAPS) { |
|
1209 |
ResourceMark rm(THREAD); |
|
1210 |
// We need first to check if any Java activations (compiled, interpreted) |
|
1211 |
// exist on the stack since last JavaCall. If not, we need |
|
1212 |
// to get the target method from the JavaCall wrapper. |
|
1213 |
vframeStream vfst(thread, true); // Do not skip any javaCalls |
|
1214 |
methodHandle callee_method; |
|
1215 |
if (vfst.at_end()) { |
|
1216 |
// No Java frames were found on stack since we did the JavaCall. |
|
1217 |
// Hence the stack can only contain an entry_frame. We need to |
|
1218 |
// find the target method from the stub frame. |
|
1219 |
RegisterMap reg_map(thread, false); |
|
1220 |
frame fr = thread->last_frame(); |
|
1221 |
assert(fr.is_runtime_frame(), "must be a runtimeStub"); |
|
1222 |
fr = fr.sender(®_map); |
|
1223 |
assert(fr.is_entry_frame(), "must be"); |
|
1224 |
// fr is now pointing to the entry frame. |
|
1225 |
callee_method = methodHandle(THREAD, fr.entry_frame_call_wrapper()->callee_method()); |
|
1226 |
} else { |
|
1227 |
Bytecodes::Code bc; |
|
1228 |
CallInfo callinfo; |
|
1229 |
find_callee_info_helper(thread, vfst, bc, callinfo, CHECK_(methodHandle())); |
|
1230 |
callee_method = callinfo.selected_method(); |
|
1231 |
} |
|
1232 |
assert(callee_method()->is_method(), "must be"); |
|
1233 |
return callee_method; |
|
1234 |
} |
|
1235 |
||
1236 |
// Resolves a call. |
|
1237 |
methodHandle SharedRuntime::resolve_helper(JavaThread *thread, |
|
1238 |
bool is_virtual, |
|
1239 |
bool is_optimized, TRAPS) { |
|
1240 |
methodHandle callee_method; |
|
1241 |
callee_method = resolve_sub_helper(thread, is_virtual, is_optimized, THREAD); |
|
1242 |
if (JvmtiExport::can_hotswap_or_post_breakpoint()) { |
|
1243 |
int retry_count = 0; |
|
1244 |
while (!HAS_PENDING_EXCEPTION && callee_method->is_old() && |
|
4571 | 1245 |
callee_method->method_holder() != SystemDictionary::Object_klass()) { |
1 | 1246 |
// If has a pending exception then there is no need to re-try to |
1247 |
// resolve this method. |
|
1248 |
// If the method has been redefined, we need to try again. |
|
1249 |
// Hack: we have no way to update the vtables of arrays, so don't |
|
1250 |
// require that java.lang.Object has been updated. |
|
1251 |
||
1252 |
// It is very unlikely that method is redefined more than 100 times |
|
1253 |
// in the middle of resolve. If it is looping here more than 100 times |
|
1254 |
// means then there could be a bug here. |
|
1255 |
guarantee((retry_count++ < 100), |
|
1256 |
"Could not resolve to latest version of redefined method"); |
|
1257 |
// method is redefined in the middle of resolve so re-try. |
|
1258 |
callee_method = resolve_sub_helper(thread, is_virtual, is_optimized, THREAD); |
|
1259 |
} |
|
1260 |
} |
|
1261 |
return callee_method; |
|
1262 |
} |
|
1263 |
||
1264 |
// Resolves a call. The compilers generate code for calls that go here |
|
1265 |
// and are patched with the real destination of the call. |
|
1266 |
methodHandle SharedRuntime::resolve_sub_helper(JavaThread *thread, |
|
1267 |
bool is_virtual, |
|
1268 |
bool is_optimized, TRAPS) { |
|
1269 |
||
1270 |
ResourceMark rm(thread); |
|
1271 |
RegisterMap cbl_map(thread, false); |
|
1272 |
frame caller_frame = thread->last_frame().sender(&cbl_map); |
|
1273 |
||
5046 | 1274 |
CodeBlob* caller_cb = caller_frame.cb(); |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1275 |
guarantee(caller_cb != NULL && caller_cb->is_compiled(), "must be called from compiled method"); |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1276 |
CompiledMethod* caller_nm = caller_cb->as_compiled_method_or_null(); |
22223 | 1277 |
|
1 | 1278 |
// make sure caller is not getting deoptimized |
1279 |
// and removed before we are done with it. |
|
1280 |
// CLEANUP - with lazy deopt shouldn't need this lock |
|
5046 | 1281 |
nmethodLocker caller_lock(caller_nm); |
1 | 1282 |
|
1283 |
// determine call info & receiver |
|
1284 |
// note: a) receiver is NULL for static calls |
|
1285 |
// b) an exception is thrown if receiver is NULL for non-static calls |
|
1286 |
CallInfo call_info; |
|
1287 |
Bytecodes::Code invoke_code = Bytecodes::_illegal; |
|
1288 |
Handle receiver = find_callee_info(thread, invoke_code, |
|
1289 |
call_info, CHECK_(methodHandle())); |
|
1290 |
methodHandle callee_method = call_info.selected_method(); |
|
1291 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1292 |
assert((!is_virtual && invoke_code == Bytecodes::_invokestatic ) || |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1293 |
(!is_virtual && invoke_code == Bytecodes::_invokespecial) || |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1294 |
(!is_virtual && invoke_code == Bytecodes::_invokehandle ) || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1295 |
(!is_virtual && invoke_code == Bytecodes::_invokedynamic) || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1296 |
( is_virtual && invoke_code != Bytecodes::_invokestatic ), "inconsistent bytecode"); |
1 | 1297 |
|
25345
783763c99421
8035328: closed/compiler/6595044/Main.java failed with timeout
thartmann
parents:
25064
diff
changeset
|
1298 |
assert(caller_nm->is_alive(), "It should be alive"); |
22223 | 1299 |
|
1 | 1300 |
#ifndef PRODUCT |
1301 |
// tracing/debugging/statistics |
|
1302 |
int *addr = (is_optimized) ? (&_resolve_opt_virtual_ctr) : |
|
1303 |
(is_virtual) ? (&_resolve_virtual_ctr) : |
|
1304 |
(&_resolve_static_ctr); |
|
1305 |
Atomic::inc(addr); |
|
1306 |
||
1307 |
if (TraceCallFixup) { |
|
1308 |
ResourceMark rm(thread); |
|
1309 |
tty->print("resolving %s%s (%s) call to", |
|
1310 |
(is_optimized) ? "optimized " : "", (is_virtual) ? "virtual" : "static", |
|
1311 |
Bytecodes::name(invoke_code)); |
|
1312 |
callee_method->print_short_name(tty); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1313 |
tty->print_cr(" at pc: " INTPTR_FORMAT " to code: " INTPTR_FORMAT, |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1314 |
p2i(caller_frame.pc()), p2i(callee_method->code())); |
1 | 1315 |
} |
1316 |
#endif |
|
1317 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1318 |
// JSR 292 key invariant: |
30305
b92a97e1e9cb
8068945: Use RBP register as proper frame pointer in JIT compiled code on x86
zmajo
parents:
29070
diff
changeset
|
1319 |
// If the resolved method is a MethodHandle invoke target, the call |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1320 |
// site must be a MethodHandle call site, because the lambda form might tail-call |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1321 |
// leaving the stack in a state unknown to either caller or callee |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1322 |
// TODO detune for now but we might need it again |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1323 |
// assert(!callee_method->is_compiled_lambda_form() || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1324 |
// caller_nm->is_method_handle_return(caller_frame.pc()), "must be MH call site"); |
5046 | 1325 |
|
1 | 1326 |
// Compute entry points. This might require generation of C2I converter |
1327 |
// frames, so we cannot be holding any locks here. Furthermore, the |
|
1328 |
// computation of the entry points is independent of patching the call. We |
|
1329 |
// always return the entry-point, but we only patch the stub if the call has |
|
1330 |
// not been deoptimized. Return values: For a virtual call this is an |
|
1331 |
// (cached_oop, destination address) pair. For a static call/optimized |
|
1332 |
// virtual this is just a destination address. |
|
1333 |
||
1334 |
StaticCallInfo static_call_info; |
|
1335 |
CompiledICInfo virtual_call_info; |
|
1336 |
||
1337 |
// Make sure the callee nmethod does not get deoptimized and removed before |
|
1338 |
// we are done patching the code. |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1339 |
CompiledMethod* callee = callee_method->code(); |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1340 |
|
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1341 |
if (callee != NULL) { |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1342 |
assert(callee->is_compiled(), "must be nmethod for patching"); |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1343 |
} |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1344 |
|
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1345 |
if (callee != NULL && !callee->is_in_use()) { |
22223 | 1346 |
// Patch call site to C2I adapter if callee nmethod is deoptimized or unloaded. |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1347 |
callee = NULL; |
22223 | 1348 |
} |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1349 |
nmethodLocker nl_callee(callee); |
1 | 1350 |
#ifdef ASSERT |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1351 |
address dest_entry_point = callee == NULL ? 0 : callee->entry_point(); // used below |
1 | 1352 |
#endif |
1353 |
||
42650 | 1354 |
bool is_nmethod = caller_nm->is_nmethod(); |
1355 |
||
1 | 1356 |
if (is_virtual) { |
19710
2f8ca425504e
7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents:
18434
diff
changeset
|
1357 |
assert(receiver.not_null() || invoke_code == Bytecodes::_invokehandle, "sanity check"); |
1 | 1358 |
bool static_bound = call_info.resolved_method()->can_be_statically_bound(); |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
1359 |
Klass* klass = invoke_code == Bytecodes::_invokehandle ? NULL : receiver->klass(); |
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
1360 |
CompiledIC::compute_monomorphic_entry(callee_method, klass, |
42650 | 1361 |
is_optimized, static_bound, is_nmethod, virtual_call_info, |
1 | 1362 |
CHECK_(methodHandle())); |
1363 |
} else { |
|
1364 |
// static call |
|
42650 | 1365 |
CompiledStaticCall::compute_entry(callee_method, is_nmethod, static_call_info); |
1 | 1366 |
} |
1367 |
||
1368 |
// grab lock, check for deoptimization and potentially patch caller |
|
1369 |
{ |
|
1370 |
MutexLocker ml_patch(CompiledIC_lock); |
|
1371 |
||
22223 | 1372 |
// Lock blocks for safepoint during which both nmethods can change state. |
1373 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1374 |
// Now that we are ready to patch if the Method* was redefined then |
1 | 1375 |
// don't update call site and let the caller retry. |
22223 | 1376 |
// Don't update call site if callee nmethod was unloaded or deoptimized. |
1377 |
// Don't update call site if callee nmethod was replaced by an other nmethod |
|
1378 |
// which may happen when multiply alive nmethod (tiered compilation) |
|
1379 |
// will be supported. |
|
25345
783763c99421
8035328: closed/compiler/6595044/Main.java failed with timeout
thartmann
parents:
25064
diff
changeset
|
1380 |
if (!callee_method->is_old() && |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1381 |
(callee == NULL || callee->is_in_use() && (callee_method->code() == callee))) { |
1 | 1382 |
#ifdef ASSERT |
1383 |
// We must not try to patch to jump to an already unloaded method. |
|
1384 |
if (dest_entry_point != 0) { |
|
22223 | 1385 |
CodeBlob* cb = CodeCache::find_blob(dest_entry_point); |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1386 |
assert((cb != NULL) && cb->is_compiled() && (((CompiledMethod*)cb) == callee), |
22223 | 1387 |
"should not call unloaded nmethod"); |
1 | 1388 |
} |
1389 |
#endif |
|
1390 |
if (is_virtual) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1391 |
CompiledIC* inline_cache = CompiledIC_before(caller_nm, caller_frame.pc()); |
1 | 1392 |
if (inline_cache->is_clean()) { |
1393 |
inline_cache->set_to_monomorphic(virtual_call_info); |
|
1394 |
} |
|
1395 |
} else { |
|
42650 | 1396 |
CompiledStaticCall* ssc = caller_nm->compiledStaticCall_before(caller_frame.pc()); |
1 | 1397 |
if (ssc->is_clean()) ssc->set(static_call_info); |
1398 |
} |
|
1399 |
} |
|
1400 |
||
1401 |
} // unlock CompiledIC_lock |
|
1402 |
||
1403 |
return callee_method; |
|
1404 |
} |
|
1405 |
||
1406 |
||
1407 |
// Inline caches exist only in compiled code |
|
1408 |
JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method_ic_miss(JavaThread* thread)) |
|
1409 |
#ifdef ASSERT |
|
1410 |
RegisterMap reg_map(thread, false); |
|
1411 |
frame stub_frame = thread->last_frame(); |
|
1412 |
assert(stub_frame.is_runtime_frame(), "sanity check"); |
|
1413 |
frame caller_frame = stub_frame.sender(®_map); |
|
1414 |
assert(!caller_frame.is_interpreted_frame() && !caller_frame.is_entry_frame(), "unexpected frame"); |
|
1415 |
#endif /* ASSERT */ |
|
1416 |
||
1417 |
methodHandle callee_method; |
|
1418 |
JRT_BLOCK |
|
1419 |
callee_method = SharedRuntime::handle_ic_miss_helper(thread, CHECK_NULL); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1420 |
// Return Method* through TLS |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1421 |
thread->set_vm_result_2(callee_method()); |
1 | 1422 |
JRT_BLOCK_END |
1423 |
// return compiled code entry point after potential safepoints |
|
1424 |
assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); |
|
1425 |
return callee_method->verified_code_entry(); |
|
1426 |
JRT_END |
|
1427 |
||
1428 |
||
1429 |
// Handle call site that has been made non-entrant |
|
1430 |
JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method(JavaThread* thread)) |
|
1431 |
// 6243940 We might end up in here if the callee is deoptimized |
|
1432 |
// as we race to call it. We don't want to take a safepoint if |
|
1433 |
// the caller was interpreted because the caller frame will look |
|
1434 |
// interpreted to the stack walkers and arguments are now |
|
1435 |
// "compiled" so it is much better to make this transition |
|
1436 |
// invisible to the stack walking code. The i2c path will |
|
1437 |
// place the callee method in the callee_target. It is stashed |
|
1438 |
// there because if we try and find the callee by normal means a |
|
1439 |
// safepoint is possible and have trouble gc'ing the compiled args. |
|
1440 |
RegisterMap reg_map(thread, false); |
|
1441 |
frame stub_frame = thread->last_frame(); |
|
1442 |
assert(stub_frame.is_runtime_frame(), "sanity check"); |
|
1443 |
frame caller_frame = stub_frame.sender(®_map); |
|
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
3262
diff
changeset
|
1444 |
|
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
3262
diff
changeset
|
1445 |
if (caller_frame.is_interpreted_frame() || |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
1446 |
caller_frame.is_entry_frame()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1447 |
Method* callee = thread->callee_target(); |
1 | 1448 |
guarantee(callee != NULL && callee->is_method(), "bad handshake"); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1449 |
thread->set_vm_result_2(callee); |
1 | 1450 |
thread->set_callee_target(NULL); |
1451 |
return callee->get_c2i_entry(); |
|
1452 |
} |
|
1453 |
||
1454 |
// Must be compiled to compiled path which is safe to stackwalk |
|
1455 |
methodHandle callee_method; |
|
1456 |
JRT_BLOCK |
|
1457 |
// Force resolving of caller (if we called from compiled frame) |
|
1458 |
callee_method = SharedRuntime::reresolve_call_site(thread, CHECK_NULL); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1459 |
thread->set_vm_result_2(callee_method()); |
1 | 1460 |
JRT_BLOCK_END |
1461 |
// return compiled code entry point after potential safepoints |
|
1462 |
assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); |
|
1463 |
return callee_method->verified_code_entry(); |
|
1464 |
JRT_END |
|
1465 |
||
21726
3533814ab107
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
20283
diff
changeset
|
1466 |
// Handle abstract method call |
3533814ab107
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
20283
diff
changeset
|
1467 |
JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method_abstract(JavaThread* thread)) |
3533814ab107
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
20283
diff
changeset
|
1468 |
return StubRoutines::throw_AbstractMethodError_entry(); |
3533814ab107
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
20283
diff
changeset
|
1469 |
JRT_END |
3533814ab107
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
20283
diff
changeset
|
1470 |
|
1 | 1471 |
|
1472 |
// resolve a static call and patch code |
|
1473 |
JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_static_call_C(JavaThread *thread )) |
|
1474 |
methodHandle callee_method; |
|
1475 |
JRT_BLOCK |
|
1476 |
callee_method = SharedRuntime::resolve_helper(thread, false, false, CHECK_NULL); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1477 |
thread->set_vm_result_2(callee_method()); |
1 | 1478 |
JRT_BLOCK_END |
1479 |
// return compiled code entry point after potential safepoints |
|
1480 |
assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); |
|
1481 |
return callee_method->verified_code_entry(); |
|
1482 |
JRT_END |
|
1483 |
||
1484 |
||
1485 |
// resolve virtual call and update inline cache to monomorphic |
|
1486 |
JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_virtual_call_C(JavaThread *thread )) |
|
1487 |
methodHandle callee_method; |
|
1488 |
JRT_BLOCK |
|
1489 |
callee_method = SharedRuntime::resolve_helper(thread, true, false, CHECK_NULL); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1490 |
thread->set_vm_result_2(callee_method()); |
1 | 1491 |
JRT_BLOCK_END |
1492 |
// return compiled code entry point after potential safepoints |
|
1493 |
assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); |
|
1494 |
return callee_method->verified_code_entry(); |
|
1495 |
JRT_END |
|
1496 |
||
1497 |
||
1498 |
// Resolve a virtual call that can be statically bound (e.g., always |
|
1499 |
// monomorphic, so it has no inline cache). Patch code to resolved target. |
|
1500 |
JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_opt_virtual_call_C(JavaThread *thread)) |
|
1501 |
methodHandle callee_method; |
|
1502 |
JRT_BLOCK |
|
1503 |
callee_method = SharedRuntime::resolve_helper(thread, true, true, CHECK_NULL); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1504 |
thread->set_vm_result_2(callee_method()); |
1 | 1505 |
JRT_BLOCK_END |
1506 |
// return compiled code entry point after potential safepoints |
|
1507 |
assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); |
|
1508 |
return callee_method->verified_code_entry(); |
|
1509 |
JRT_END |
|
1510 |
||
1511 |
||
42650 | 1512 |
|
1 | 1513 |
methodHandle SharedRuntime::handle_ic_miss_helper(JavaThread *thread, TRAPS) { |
1514 |
ResourceMark rm(thread); |
|
1515 |
CallInfo call_info; |
|
1516 |
Bytecodes::Code bc; |
|
1517 |
||
1518 |
// receiver is NULL for static calls. An exception is thrown for NULL |
|
1519 |
// receivers for non-static calls |
|
1520 |
Handle receiver = find_callee_info(thread, bc, call_info, |
|
1521 |
CHECK_(methodHandle())); |
|
1522 |
// Compiler1 can produce virtual call sites that can actually be statically bound |
|
1523 |
// If we fell thru to below we would think that the site was going megamorphic |
|
1524 |
// when in fact the site can never miss. Worse because we'd think it was megamorphic |
|
1525 |
// we'd try and do a vtable dispatch however methods that can be statically bound |
|
1526 |
// don't have vtable entries (vtable_index < 0) and we'd blow up. So we force a |
|
1527 |
// reresolution of the call site (as if we did a handle_wrong_method and not an |
|
1528 |
// plain ic_miss) and the site will be converted to an optimized virtual call site |
|
1529 |
// never to miss again. I don't believe C2 will produce code like this but if it |
|
1530 |
// did this would still be the correct thing to do for it too, hence no ifdef. |
|
1531 |
// |
|
1532 |
if (call_info.resolved_method()->can_be_statically_bound()) { |
|
1533 |
methodHandle callee_method = SharedRuntime::reresolve_call_site(thread, CHECK_(methodHandle())); |
|
1534 |
if (TraceCallFixup) { |
|
1535 |
RegisterMap reg_map(thread, false); |
|
1536 |
frame caller_frame = thread->last_frame().sender(®_map); |
|
1537 |
ResourceMark rm(thread); |
|
1538 |
tty->print("converting IC miss to reresolve (%s) call to", Bytecodes::name(bc)); |
|
1539 |
callee_method->print_short_name(tty); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1540 |
tty->print_cr(" from pc: " INTPTR_FORMAT, p2i(caller_frame.pc())); |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1541 |
tty->print_cr(" code: " INTPTR_FORMAT, p2i(callee_method->code())); |
1 | 1542 |
} |
1543 |
return callee_method; |
|
1544 |
} |
|
1545 |
||
1546 |
methodHandle callee_method = call_info.selected_method(); |
|
1547 |
||
1548 |
bool should_be_mono = false; |
|
1549 |
||
1550 |
#ifndef PRODUCT |
|
1551 |
Atomic::inc(&_ic_miss_ctr); |
|
1552 |
||
1553 |
// Statistics & Tracing |
|
1554 |
if (TraceCallFixup) { |
|
1555 |
ResourceMark rm(thread); |
|
1556 |
tty->print("IC miss (%s) call to", Bytecodes::name(bc)); |
|
1557 |
callee_method->print_short_name(tty); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1558 |
tty->print_cr(" code: " INTPTR_FORMAT, p2i(callee_method->code())); |
1 | 1559 |
} |
1560 |
||
1561 |
if (ICMissHistogram) { |
|
1562 |
MutexLocker m(VMStatistic_lock); |
|
1563 |
RegisterMap reg_map(thread, false); |
|
1564 |
frame f = thread->last_frame().real_sender(®_map);// skip runtime stub |
|
1565 |
// produce statistics under the lock |
|
1566 |
trace_ic_miss(f.pc()); |
|
1567 |
} |
|
1568 |
#endif |
|
1569 |
||
1570 |
// install an event collector so that when a vtable stub is created the |
|
1571 |
// profiler can be notified via a DYNAMIC_CODE_GENERATED event. The |
|
1572 |
// event can't be posted when the stub is created as locks are held |
|
1573 |
// - instead the event will be deferred until the event collector goes |
|
1574 |
// out of scope. |
|
1575 |
JvmtiDynamicCodeEventCollector event_collector; |
|
1576 |
||
25345
783763c99421
8035328: closed/compiler/6595044/Main.java failed with timeout
thartmann
parents:
25064
diff
changeset
|
1577 |
// Update inline cache to megamorphic. Skip update if we are called from interpreted. |
1 | 1578 |
{ MutexLocker ml_patch (CompiledIC_lock); |
1579 |
RegisterMap reg_map(thread, false); |
|
1580 |
frame caller_frame = thread->last_frame().sender(®_map); |
|
1581 |
CodeBlob* cb = caller_frame.cb(); |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1582 |
CompiledMethod* caller_nm = cb->as_compiled_method_or_null(); |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1583 |
if (cb->is_compiled()) { |
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1584 |
CompiledIC* inline_cache = CompiledIC_before(((CompiledMethod*)cb), caller_frame.pc()); |
1 | 1585 |
bool should_be_mono = false; |
1586 |
if (inline_cache->is_optimized()) { |
|
1587 |
if (TraceCallFixup) { |
|
1588 |
ResourceMark rm(thread); |
|
1589 |
tty->print("OPTIMIZED IC miss (%s) call to", Bytecodes::name(bc)); |
|
1590 |
callee_method->print_short_name(tty); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1591 |
tty->print_cr(" code: " INTPTR_FORMAT, p2i(callee_method->code())); |
1 | 1592 |
} |
1593 |
should_be_mono = true; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1594 |
} else if (inline_cache->is_icholder_call()) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1595 |
CompiledICHolder* ic_oop = inline_cache->cached_icholder(); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
1596 |
if (ic_oop != NULL) { |
1 | 1597 |
|
1598 |
if (receiver()->klass() == ic_oop->holder_klass()) { |
|
1599 |
// This isn't a real miss. We must have seen that compiled code |
|
1600 |
// is now available and we want the call site converted to a |
|
1601 |
// monomorphic compiled call site. |
|
1602 |
// We can't assert for callee_method->code() != NULL because it |
|
1603 |
// could have been deoptimized in the meantime |
|
1604 |
if (TraceCallFixup) { |
|
1605 |
ResourceMark rm(thread); |
|
1606 |
tty->print("FALSE IC miss (%s) converting to compiled call to", Bytecodes::name(bc)); |
|
1607 |
callee_method->print_short_name(tty); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1608 |
tty->print_cr(" code: " INTPTR_FORMAT, p2i(callee_method->code())); |
1 | 1609 |
} |
1610 |
should_be_mono = true; |
|
1611 |
} |
|
1612 |
} |
|
1613 |
} |
|
1614 |
||
1615 |
if (should_be_mono) { |
|
1616 |
||
1617 |
// We have a path that was monomorphic but was going interpreted |
|
1618 |
// and now we have (or had) a compiled entry. We correct the IC |
|
1619 |
// by using a new icBuffer. |
|
1620 |
CompiledICInfo info; |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46270
diff
changeset
|
1621 |
Klass* receiver_klass = receiver()->klass(); |
1 | 1622 |
inline_cache->compute_monomorphic_entry(callee_method, |
1623 |
receiver_klass, |
|
1624 |
inline_cache->is_optimized(), |
|
42650 | 1625 |
false, caller_nm->is_nmethod(), |
1 | 1626 |
info, CHECK_(methodHandle())); |
1627 |
inline_cache->set_to_monomorphic(info); |
|
1628 |
} else if (!inline_cache->is_megamorphic() && !inline_cache->is_clean()) { |
|
20072 | 1629 |
// Potential change to megamorphic |
1630 |
bool successful = inline_cache->set_to_megamorphic(&call_info, bc, CHECK_(methodHandle())); |
|
1631 |
if (!successful) { |
|
1632 |
inline_cache->set_to_clean(); |
|
1633 |
} |
|
1 | 1634 |
} else { |
1635 |
// Either clean or megamorphic |
|
1636 |
} |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1637 |
} else { |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1638 |
fatal("Unimplemented"); |
1 | 1639 |
} |
1640 |
} // Release CompiledIC_lock |
|
1641 |
||
1642 |
return callee_method; |
|
1643 |
} |
|
1644 |
||
1645 |
// |
|
1646 |
// Resets a call-site in compiled code so it will get resolved again. |
|
1647 |
// This routines handles both virtual call sites, optimized virtual call |
|
1648 |
// sites, and static call sites. Typically used to change a call sites |
|
1649 |
// destination from compiled to interpreted. |
|
1650 |
// |
|
1651 |
methodHandle SharedRuntime::reresolve_call_site(JavaThread *thread, TRAPS) { |
|
1652 |
ResourceMark rm(thread); |
|
1653 |
RegisterMap reg_map(thread, false); |
|
1654 |
frame stub_frame = thread->last_frame(); |
|
1655 |
assert(stub_frame.is_runtime_frame(), "must be a runtimeStub"); |
|
1656 |
frame caller = stub_frame.sender(®_map); |
|
1657 |
||
1658 |
// Do nothing if the frame isn't a live compiled frame. |
|
1659 |
// nmethod could be deoptimized by the time we get here |
|
1660 |
// so no update to the caller is needed. |
|
1661 |
||
1662 |
if (caller.is_compiled_frame() && !caller.is_deoptimized_frame()) { |
|
1663 |
||
1664 |
address pc = caller.pc(); |
|
1665 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1666 |
// Check for static or virtual call |
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1667 |
bool is_static_call = false; |
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
rbackman
parents:
37439
diff
changeset
|
1668 |
CompiledMethod* caller_nm = CodeCache::find_compiled(pc); |
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
1669 |
|
1 | 1670 |
// Default call_addr is the location of the "basic" call. |
1671 |
// Determine the address of the call we a reresolving. With |
|
1672 |
// Inline Caches we will always find a recognizable call. |
|
1673 |
// With Inline Caches disabled we may or may not find a |
|
1674 |
// recognizable call. We will always find a call for static |
|
1675 |
// calls and for optimized virtual calls. For vanilla virtual |
|
1676 |
// calls it depends on the state of the UseInlineCaches switch. |
|
1677 |
// |
|
1678 |
// With Inline Caches disabled we can get here for a virtual call |
|
1679 |
// for two reasons: |
|
1680 |
// 1 - calling an abstract method. The vtable for abstract methods |
|
1681 |
// will run us thru handle_wrong_method and we will eventually |
|
1682 |
// end up in the interpreter to throw the ame. |
|
1683 |
// 2 - a racing deoptimization. We could be doing a vanilla vtable |
|
1684 |
// call and between the time we fetch the entry address and |
|
1685 |
// we jump to it the target gets deoptimized. Similar to 1 |
|
1686 |
// we will wind up in the interprter (thru a c2i with c2). |
|
1687 |
// |
|
1688 |
address call_addr = NULL; |
|
1689 |
{ |
|
1690 |
// Get call instruction under lock because another thread may be |
|
1691 |
// busy patching it. |
|
1692 |
MutexLockerEx ml_patch(Patching_lock, Mutex::_no_safepoint_check_flag); |
|
1693 |
// Location of call instruction |
|
42650 | 1694 |
call_addr = caller_nm->call_instruction_address(pc); |
1 | 1695 |
} |
1696 |
// Make sure nmethod doesn't get deoptimized and removed until |
|
1697 |
// this is done with it. |
|
1698 |
// CLEANUP - with lazy deopt shouldn't need this lock |
|
1699 |
nmethodLocker nmlock(caller_nm); |
|
1700 |
||
1701 |
if (call_addr != NULL) { |
|
1702 |
RelocIterator iter(caller_nm, call_addr, call_addr+1); |
|
1703 |
int ret = iter.next(); // Get item |
|
1704 |
if (ret) { |
|
1705 |
assert(iter.addr() == call_addr, "must find call"); |
|
1706 |
if (iter.type() == relocInfo::static_call_type) { |
|
1707 |
is_static_call = true; |
|
1708 |
} else { |
|
1709 |
assert(iter.type() == relocInfo::virtual_call_type || |
|
1710 |
iter.type() == relocInfo::opt_virtual_call_type |
|
1711 |
, "unexpected relocInfo. type"); |
|
1712 |
} |
|
1713 |
} else { |
|
1714 |
assert(!UseInlineCaches, "relocation info. must exist for this address"); |
|
1715 |
} |
|
1716 |
||
1717 |
// Cleaning the inline cache will force a new resolve. This is more robust |
|
1718 |
// than directly setting it to the new destination, since resolving of calls |
|
1719 |
// is always done through the same code path. (experience shows that it |
|
1720 |
// leads to very hard to track down bugs, if an inline cache gets updated |
|
1721 |
// to a wrong method). It should not be performance critical, since the |
|
1722 |
// resolve is only done once. |
|
1723 |
||
42650 | 1724 |
bool is_nmethod = caller_nm->is_nmethod(); |
1 | 1725 |
MutexLocker ml(CompiledIC_lock); |
25345
783763c99421
8035328: closed/compiler/6595044/Main.java failed with timeout
thartmann
parents:
25064
diff
changeset
|
1726 |
if (is_static_call) { |
42650 | 1727 |
CompiledStaticCall* ssc = caller_nm->compiledStaticCall_at(call_addr); |
25345
783763c99421
8035328: closed/compiler/6595044/Main.java failed with timeout
thartmann
parents:
25064
diff
changeset
|
1728 |
ssc->set_to_clean(); |
783763c99421
8035328: closed/compiler/6595044/Main.java failed with timeout
thartmann
parents:
25064
diff
changeset
|
1729 |
} else { |
783763c99421
8035328: closed/compiler/6595044/Main.java failed with timeout
thartmann
parents:
25064
diff
changeset
|
1730 |
// compiled, dispatched call (which used to call an interpreted method) |
783763c99421
8035328: closed/compiler/6595044/Main.java failed with timeout
thartmann
parents:
25064
diff
changeset
|
1731 |
CompiledIC* inline_cache = CompiledIC_at(caller_nm, call_addr); |
783763c99421
8035328: closed/compiler/6595044/Main.java failed with timeout
thartmann
parents:
25064
diff
changeset
|
1732 |
inline_cache->set_to_clean(); |
1 | 1733 |
} |
1734 |
} |
|
1735 |
} |
|
1736 |
||
1737 |
methodHandle callee_method = find_callee_method(thread, CHECK_(methodHandle())); |
|
1738 |
||
1739 |
||
1740 |
#ifndef PRODUCT |
|
1741 |
Atomic::inc(&_wrong_method_ctr); |
|
1742 |
||
1743 |
if (TraceCallFixup) { |
|
1744 |
ResourceMark rm(thread); |
|
1745 |
tty->print("handle_wrong_method reresolving call to"); |
|
1746 |
callee_method->print_short_name(tty); |
|
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1747 |
tty->print_cr(" code: " INTPTR_FORMAT, p2i(callee_method->code())); |
1 | 1748 |
} |
1749 |
#endif |
|
1750 |
||
1751 |
return callee_method; |
|
1752 |
} |
|
1753 |
||
38209
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1754 |
address SharedRuntime::handle_unsafe_access(JavaThread* thread, address next_pc) { |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1755 |
// The faulting unsafe accesses should be changed to throw the error |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1756 |
// synchronously instead. Meanwhile the faulting instruction will be |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1757 |
// skipped over (effectively turning it into a no-op) and an |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1758 |
// asynchronous exception will be raised which the thread will |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1759 |
// handle at a later point. If the instruction is a load it will |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1760 |
// return garbage. |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1761 |
|
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1762 |
// Request an async exception. |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1763 |
thread->set_pending_unsafe_access_error(); |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1764 |
|
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1765 |
// Return address of next instruction to execute. |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1766 |
return next_pc; |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1767 |
} |
b2a58604e046
8156088: Reintegrate 8153892: Handle unsafe access error directly in signal handler instead of going through a stub
mikael
parents:
38190
diff
changeset
|
1768 |
|
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1769 |
#ifdef ASSERT |
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33230
diff
changeset
|
1770 |
void SharedRuntime::check_member_name_argument_is_last_argument(const methodHandle& method, |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1771 |
const BasicType* sig_bt, |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1772 |
const VMRegPair* regs) { |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1773 |
ResourceMark rm; |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1774 |
const int total_args_passed = method->size_of_parameters(); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1775 |
const VMRegPair* regs_with_member_name = regs; |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1776 |
VMRegPair* regs_without_member_name = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed - 1); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1777 |
|
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1778 |
const int member_arg_pos = total_args_passed - 1; |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1779 |
assert(member_arg_pos >= 0 && member_arg_pos < total_args_passed, "oob"); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1780 |
assert(sig_bt[member_arg_pos] == T_OBJECT, "dispatch argument must be an object"); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1781 |
|
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1782 |
const bool is_outgoing = method->is_method_handle_intrinsic(); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1783 |
int comp_args_on_stack = java_calling_convention(sig_bt, regs_without_member_name, total_args_passed - 1, is_outgoing); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1784 |
|
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1785 |
for (int i = 0; i < member_arg_pos; i++) { |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1786 |
VMReg a = regs_with_member_name[i].first(); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1787 |
VMReg b = regs_without_member_name[i].first(); |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
1788 |
assert(a->value() == b->value(), "register allocation mismatch: a=" INTX_FORMAT ", b=" INTX_FORMAT, a->value(), b->value()); |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1789 |
} |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1790 |
assert(regs_with_member_name[member_arg_pos].first()->is_valid(), "bad member arg"); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1791 |
} |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1792 |
#endif |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
1793 |
|
42650 | 1794 |
bool SharedRuntime::should_fixup_call_destination(address destination, address entry_point, address caller_pc, Method* moop, CodeBlob* cb) { |
1795 |
if (destination != entry_point) { |
|
1796 |
CodeBlob* callee = CodeCache::find_blob(destination); |
|
1797 |
// callee == cb seems weird. It means calling interpreter thru stub. |
|
45325
2cded43c8842
8180813: Null pointer dereference of CodeCache::find_blob() result
thartmann
parents:
42664
diff
changeset
|
1798 |
if (callee != NULL && (callee == cb || callee->is_adapter_blob())) { |
42650 | 1799 |
// static call or optimized virtual |
1800 |
if (TraceCallFixup) { |
|
1801 |
tty->print("fixup callsite at " INTPTR_FORMAT " to compiled code for", p2i(caller_pc)); |
|
1802 |
moop->print_short_name(tty); |
|
1803 |
tty->print_cr(" to " INTPTR_FORMAT, p2i(entry_point)); |
|
1804 |
} |
|
1805 |
return true; |
|
1806 |
} else { |
|
1807 |
if (TraceCallFixup) { |
|
1808 |
tty->print("failed to fixup callsite at " INTPTR_FORMAT " to compiled code for", p2i(caller_pc)); |
|
1809 |
moop->print_short_name(tty); |
|
1810 |
tty->print_cr(" to " INTPTR_FORMAT, p2i(entry_point)); |
|
1811 |
} |
|
1812 |
// assert is too strong could also be resolve destinations. |
|
1813 |
// assert(InlineCacheBuffer::contains(destination) || VtableStubs::contains(destination), "must be"); |
|
1814 |
} |
|
1815 |
} else { |
|
1816 |
if (TraceCallFixup) { |
|
1817 |
tty->print("already patched callsite at " INTPTR_FORMAT " to compiled code for", p2i(caller_pc)); |
|
1818 |
moop->print_short_name(tty); |
|
1819 |
tty->print_cr(" to " INTPTR_FORMAT, p2i(entry_point)); |
|
1820 |
} |
|
1821 |
} |
|
1822 |
return false; |
|
1823 |
} |
|
1824 |
||
1 | 1825 |
// --------------------------------------------------------------------------- |
1826 |
// We are calling the interpreter via a c2i. Normally this would mean that |
|
1827 |
// we were called by a compiled method. However we could have lost a race |
|
1828 |
// where we went int -> i2c -> c2i and so the caller could in fact be |
|
4753 | 1829 |
// interpreted. If the caller is compiled we attempt to patch the caller |
1 | 1830 |
// so he no longer calls into the interpreter. |
13728
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|
1831 |
IRT_LEAF(void, SharedRuntime::fixup_callers_callsite(Method* method, address caller_pc)) |
882756847a04
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|
1832 |
Method* moop(method); |
1 | 1833 |
|
37439
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
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|
1834 |
address entry_point = moop->from_compiled_entry_no_trampoline(); |
1 | 1835 |
|
1836 |
// It's possible that deoptimization can occur at a call site which hasn't |
|
1837 |
// been resolved yet, in which case this function will be called from |
|
1838 |
// an nmethod that has been patched for deopt and we can ignore the |
|
1839 |
// request for a fixup. |
|
1840 |
// Also it is possible that we lost a race in that from_compiled_entry |
|
1841 |
// is now back to the i2c in that case we don't need to patch and if |
|
1842 |
// we did we'd leap into space because the callsite needs to use |
|
13728
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|
1843 |
// "to interpreter" stub in order to load up the Method*. Don't |
1 | 1844 |
// ask me how I know this... |
1845 |
||
1846 |
CodeBlob* cb = CodeCache::find_blob(caller_pc); |
|
45325
2cded43c8842
8180813: Null pointer dereference of CodeCache::find_blob() result
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|
1847 |
if (cb == NULL || !cb->is_compiled() || entry_point == moop->get_c2i_entry()) { |
4753 | 1848 |
return; |
1849 |
} |
|
1850 |
||
1851 |
// The check above makes sure this is a nmethod. |
|
38133
78b95467b9f1
8151956: Support non-continuous CodeBlobs in HotSpot
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|
1852 |
CompiledMethod* nm = cb->as_compiled_method_or_null(); |
4753 | 1853 |
assert(nm, "must be"); |
1854 |
||
10968
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|
1855 |
// Get the return PC for the passed caller PC. |
6f5d19d76c93
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|
1856 |
address return_pc = caller_pc + frame::pc_return_offset; |
6f5d19d76c93
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|
1857 |
|
1 | 1858 |
// There is a benign race here. We could be attempting to patch to a compiled |
1859 |
// entry point at the same time the callee is being deoptimized. If that is |
|
1860 |
// the case then entry_point may in fact point to a c2i and we'd patch the |
|
1861 |
// call site with the same old data. clear_code will set code() to NULL |
|
1862 |
// at the end of it. If we happen to see that NULL then we can skip trying |
|
1863 |
// to patch. If we hit the window where the callee has a c2i in the |
|
1864 |
// from_compiled_entry and the NULL isn't present yet then we lose the race |
|
1865 |
// and patch the code with the same old data. Asi es la vida. |
|
1866 |
||
1867 |
if (moop->code() == NULL) return; |
|
1868 |
||
4753 | 1869 |
if (nm->is_in_use()) { |
1 | 1870 |
|
1871 |
// Expect to find a native call there (unless it was no-inline cache vtable dispatch) |
|
1872 |
MutexLockerEx ml_patch(Patching_lock, Mutex::_no_safepoint_check_flag); |
|
10968
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changeset
|
1873 |
if (NativeCall::is_call_before(return_pc)) { |
42650 | 1874 |
ResourceMark mark; |
1875 |
NativeCallWrapper* call = nm->call_wrapper_before(return_pc); |
|
1 | 1876 |
// |
1877 |
// bug 6281185. We might get here after resolving a call site to a vanilla |
|
1878 |
// virtual call. Because the resolvee uses the verified entry it may then |
|
1879 |
// see compiled code and attempt to patch the site by calling us. This would |
|
1880 |
// then incorrectly convert the call site to optimized and its downhill from |
|
1881 |
// there. If you're lucky you'll get the assert in the bugid, if not you've |
|
1882 |
// just made a call site that could be megamorphic into a monomorphic site |
|
1883 |
// for the rest of its life! Just another racing bug in the life of |
|
1884 |
// fixup_callers_callsite ... |
|
1885 |
// |
|
5686
5435e77aa3df
6951083: oops and relocations should part of nmethod not CodeBlob
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changeset
|
1886 |
RelocIterator iter(nm, call->instruction_address(), call->next_instruction_address()); |
1 | 1887 |
iter.next(); |
1888 |
assert(iter.has_current(), "must have a reloc at java call site"); |
|
1889 |
relocInfo::relocType typ = iter.reloc()->type(); |
|
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changeset
|
1890 |
if (typ != relocInfo::static_call_type && |
1 | 1891 |
typ != relocInfo::opt_virtual_call_type && |
1892 |
typ != relocInfo::static_stub_type) { |
|
1893 |
return; |
|
1894 |
} |
|
1895 |
address destination = call->destination(); |
|
42650 | 1896 |
if (should_fixup_call_destination(destination, entry_point, caller_pc, moop, cb)) { |
1897 |
call->set_destination_mt_safe(entry_point); |
|
1 | 1898 |
} |
1899 |
} |
|
1900 |
} |
|
1901 |
IRT_END |
|
1902 |
||
1903 |
||
1904 |
// same as JVM_Arraycopy, but called directly from compiled code |
|
1905 |
JRT_ENTRY(void, SharedRuntime::slow_arraycopy_C(oopDesc* src, jint src_pos, |
|
1906 |
oopDesc* dest, jint dest_pos, |
|
1907 |
jint length, |
|
1908 |
JavaThread* thread)) { |
|
1909 |
#ifndef PRODUCT |
|
1910 |
_slow_array_copy_ctr++; |
|
1911 |
#endif |
|
1912 |
// Check if we have null pointers |
|
1913 |
if (src == NULL || dest == NULL) { |
|
1914 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
1915 |
} |
|
1916 |
// Do the copy. The casts to arrayOop are necessary to the copy_array API, |
|
1917 |
// even though the copy_array API also performs dynamic checks to ensure |
|
1918 |
// that src and dest are truly arrays (and are conformable). |
|
1919 |
// The copy_array mechanism is awkward and could be removed, but |
|
1920 |
// the compilers don't call this function except as a last resort, |
|
1921 |
// so it probably doesn't matter. |
|
25064
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|
1922 |
src->klass()->copy_array((arrayOopDesc*)src, src_pos, |
1 | 1923 |
(arrayOopDesc*)dest, dest_pos, |
1924 |
length, thread); |
|
1925 |
} |
|
1926 |
JRT_END |
|
1927 |
||
36508 | 1928 |
// The caller of generate_class_cast_message() (or one of its callers) |
1929 |
// must use a ResourceMark in order to correctly free the result. |
|
1 | 1930 |
char* SharedRuntime::generate_class_cast_message( |
36508 | 1931 |
JavaThread* thread, Klass* caster_klass) { |
1 | 1932 |
|
1933 |
// Get target class name from the checkcast instruction |
|
1934 |
vframeStream vfst(thread, true); |
|
1935 |
assert(!vfst.at_end(), "Java frame must exist"); |
|
7913 | 1936 |
Bytecode_checkcast cc(vfst.method(), vfst.method()->bcp_from(vfst.bci())); |
36508 | 1937 |
Klass* target_klass = vfst.method()->constants()->klass_at( |
14488 | 1938 |
cc.index(), thread); |
36508 | 1939 |
return generate_class_cast_message(caster_klass, target_klass); |
1 | 1940 |
} |
1941 |
||
42575
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|
1942 |
// The caller of class_loader_and_module_name() (or one of its callers) |
bd1618170c93
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|
1943 |
// must use a ResourceMark in order to correctly free the result. |
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|
1944 |
const char* class_loader_and_module_name(Klass* klass) { |
bd1618170c93
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|
1945 |
const char* delim = "/"; |
bd1618170c93
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diff
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|
1946 |
size_t delim_len = strlen(delim); |
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changeset
|
1947 |
|
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|
1948 |
const char* fqn = klass->external_name(); |
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|
1949 |
// Length of message to return; always include FQN |
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changeset
|
1950 |
size_t msglen = strlen(fqn) + 1; |
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|
1951 |
|
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|
1952 |
bool has_cl_name = false; |
bd1618170c93
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diff
changeset
|
1953 |
bool has_mod_name = false; |
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|
1954 |
bool has_version = false; |
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diff
changeset
|
1955 |
|
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changeset
|
1956 |
// Use class loader name, if exists and not builtin |
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diff
changeset
|
1957 |
const char* class_loader_name = ""; |
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diff
changeset
|
1958 |
ClassLoaderData* cld = klass->class_loader_data(); |
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diff
changeset
|
1959 |
assert(cld != NULL, "class_loader_data should not be NULL"); |
bd1618170c93
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diff
changeset
|
1960 |
if (!cld->is_builtin_class_loader_data()) { |
bd1618170c93
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diff
changeset
|
1961 |
// If not builtin, look for name |
bd1618170c93
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parents:
42088
diff
changeset
|
1962 |
oop loader = klass->class_loader(); |
bd1618170c93
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parents:
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diff
changeset
|
1963 |
if (loader != NULL) { |
bd1618170c93
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diff
changeset
|
1964 |
oop class_loader_name_oop = java_lang_ClassLoader::name(loader); |
bd1618170c93
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diff
changeset
|
1965 |
if (class_loader_name_oop != NULL) { |
bd1618170c93
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diff
changeset
|
1966 |
class_loader_name = java_lang_String::as_utf8_string(class_loader_name_oop); |
bd1618170c93
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diff
changeset
|
1967 |
if (class_loader_name != NULL && class_loader_name[0] != '\0') { |
bd1618170c93
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parents:
42088
diff
changeset
|
1968 |
has_cl_name = true; |
bd1618170c93
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parents:
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diff
changeset
|
1969 |
msglen += strlen(class_loader_name) + delim_len; |
bd1618170c93
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parents:
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diff
changeset
|
1970 |
} |
bd1618170c93
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parents:
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diff
changeset
|
1971 |
} |
bd1618170c93
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parents:
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diff
changeset
|
1972 |
} |
bd1618170c93
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parents:
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diff
changeset
|
1973 |
} |
bd1618170c93
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diff
changeset
|
1974 |
|
bd1618170c93
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diff
changeset
|
1975 |
const char* module_name = ""; |
bd1618170c93
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parents:
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diff
changeset
|
1976 |
const char* version = ""; |
bd1618170c93
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parents:
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diff
changeset
|
1977 |
Klass* bottom_klass = klass->is_objArray_klass() ? |
bd1618170c93
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diff
changeset
|
1978 |
ObjArrayKlass::cast(klass)->bottom_klass() : klass; |
bd1618170c93
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diff
changeset
|
1979 |
if (bottom_klass->is_instance_klass()) { |
bd1618170c93
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diff
changeset
|
1980 |
ModuleEntry* module = InstanceKlass::cast(bottom_klass)->module(); |
bd1618170c93
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diff
changeset
|
1981 |
// Use module name, if exists |
bd1618170c93
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parents:
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diff
changeset
|
1982 |
if (module->is_named()) { |
bd1618170c93
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parents:
42088
diff
changeset
|
1983 |
has_mod_name = true; |
bd1618170c93
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diff
changeset
|
1984 |
module_name = module->name()->as_C_string(); |
bd1618170c93
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parents:
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diff
changeset
|
1985 |
msglen += strlen(module_name); |
bd1618170c93
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parents:
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diff
changeset
|
1986 |
// Use version if exists and is not a jdk module |
bd1618170c93
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diff
changeset
|
1987 |
if (module->is_non_jdk_module() && module->version() != NULL) { |
bd1618170c93
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parents:
42088
diff
changeset
|
1988 |
has_version = true; |
bd1618170c93
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parents:
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diff
changeset
|
1989 |
version = module->version()->as_C_string(); |
bd1618170c93
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diff
changeset
|
1990 |
msglen += strlen("@") + strlen(version); |
bd1618170c93
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diff
changeset
|
1991 |
} |
bd1618170c93
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diff
changeset
|
1992 |
} |
bd1618170c93
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changeset
|
1993 |
} else { |
bd1618170c93
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diff
changeset
|
1994 |
// klass is an array of primitives, so its module is java.base |
bd1618170c93
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diff
changeset
|
1995 |
module_name = JAVA_BASE_NAME; |
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diff
changeset
|
1996 |
} |
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changeset
|
1997 |
|
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changeset
|
1998 |
if (has_cl_name || has_mod_name) { |
bd1618170c93
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diff
changeset
|
1999 |
msglen += delim_len; |
bd1618170c93
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diff
changeset
|
2000 |
} |
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changeset
|
2001 |
|
bd1618170c93
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changeset
|
2002 |
char* message = NEW_RESOURCE_ARRAY_RETURN_NULL(char, msglen); |
bd1618170c93
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changeset
|
2003 |
|
bd1618170c93
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changeset
|
2004 |
// Just return the FQN if error in allocating string |
bd1618170c93
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parents:
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diff
changeset
|
2005 |
if (message == NULL) { |
bd1618170c93
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diff
changeset
|
2006 |
return fqn; |
bd1618170c93
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diff
changeset
|
2007 |
} |
bd1618170c93
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changeset
|
2008 |
|
bd1618170c93
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changeset
|
2009 |
jio_snprintf(message, msglen, "%s%s%s%s%s%s%s", |
bd1618170c93
8165550: Add class loader names to ClassCastException message
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parents:
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diff
changeset
|
2010 |
class_loader_name, |
bd1618170c93
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parents:
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diff
changeset
|
2011 |
(has_cl_name) ? delim : "", |
bd1618170c93
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changeset
|
2012 |
(has_mod_name) ? module_name : "", |
bd1618170c93
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diff
changeset
|
2013 |
(has_version) ? "@" : "", |
bd1618170c93
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parents:
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diff
changeset
|
2014 |
(has_version) ? version : "", |
bd1618170c93
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parents:
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diff
changeset
|
2015 |
(has_cl_name || has_mod_name) ? delim : "", |
bd1618170c93
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diff
changeset
|
2016 |
fqn); |
bd1618170c93
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changeset
|
2017 |
return message; |
bd1618170c93
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changeset
|
2018 |
} |
bd1618170c93
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parents:
42088
diff
changeset
|
2019 |
|
1 | 2020 |
char* SharedRuntime::generate_class_cast_message( |
36508 | 2021 |
Klass* caster_klass, Klass* target_klass) { |
2022 |
||
42575
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2023 |
const char* caster_name = class_loader_and_module_name(caster_klass); |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2024 |
|
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2025 |
const char* target_name = class_loader_and_module_name(target_klass); |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2026 |
|
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2027 |
size_t msglen = strlen(caster_name) + strlen(" cannot be cast to ") + strlen(target_name) + 1; |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2028 |
|
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2029 |
char* message = NEW_RESOURCE_ARRAY_RETURN_NULL(char, msglen); |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2030 |
if (message == NULL) { |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2031 |
// Shouldn't happen, but don't cause even more problems if it does |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2032 |
message = const_cast<char*>(caster_klass->external_name()); |
36508 | 2033 |
} else { |
42575
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2034 |
jio_snprintf(message, |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2035 |
msglen, |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2036 |
"%s cannot be cast to %s", |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2037 |
caster_name, |
bd1618170c93
8165550: Add class loader names to ClassCastException message
rprotacio
parents:
42088
diff
changeset
|
2038 |
target_name); |
1 | 2039 |
} |
2040 |
return message; |
|
2041 |
} |
|
2042 |
||
2043 |
JRT_LEAF(void, SharedRuntime::reguard_yellow_pages()) |
|
2044 |
(void) JavaThread::current()->reguard_stack(); |
|
2045 |
JRT_END |
|
2046 |
||
2047 |
||
2048 |
// Handles the uncommon case in locking, i.e., contention or an inflated lock. |
|
29070 | 2049 |
JRT_BLOCK_ENTRY(void, SharedRuntime::complete_monitor_locking_C(oopDesc* _obj, BasicLock* lock, JavaThread* thread)) |
30315
7e56522cb687
8079359: disable JDK-8061553 optimization while JDK-8077392 is resolved
dcubed
parents:
30310
diff
changeset
|
2050 |
// Disable ObjectSynchronizer::quick_enter() in default config |
42088
71d7ced6c439
8167501: ARMv7 Linux C2 compiler crashes running jtreg harness on MP systems
bobv
parents:
41545
diff
changeset
|
2051 |
// on AARCH64 and ARM until JDK-8153107 is resolved. |
71d7ced6c439
8167501: ARMv7 Linux C2 compiler crashes running jtreg harness on MP systems
bobv
parents:
41545
diff
changeset
|
2052 |
if (ARM_ONLY((SyncFlags & 256) != 0 &&) |
71d7ced6c439
8167501: ARMv7 Linux C2 compiler crashes running jtreg harness on MP systems
bobv
parents:
41545
diff
changeset
|
2053 |
AARCH64_ONLY((SyncFlags & 256) != 0 &&) |
71d7ced6c439
8167501: ARMv7 Linux C2 compiler crashes running jtreg harness on MP systems
bobv
parents:
41545
diff
changeset
|
2054 |
!SafepointSynchronize::is_synchronizing()) { |
29070 | 2055 |
// Only try quick_enter() if we're not trying to reach a safepoint |
2056 |
// so that the calling thread reaches the safepoint more quickly. |
|
2057 |
if (ObjectSynchronizer::quick_enter(_obj, thread, lock)) return; |
|
2058 |
} |
|
2059 |
// NO_ASYNC required because an async exception on the state transition destructor |
|
2060 |
// would leave you with the lock held and it would never be released. |
|
2061 |
// The normal monitorenter NullPointerException is thrown without acquiring a lock |
|
2062 |
// and the model is that an exception implies the method failed. |
|
2063 |
JRT_BLOCK_NO_ASYNC |
|
1 | 2064 |
oop obj(_obj); |
2065 |
if (PrintBiasedLockingStatistics) { |
|
2066 |
Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); |
|
2067 |
} |
|
2068 |
Handle h_obj(THREAD, obj); |
|
2069 |
if (UseBiasedLocking) { |
|
2070 |
// Retry fast entry if bias is revoked to avoid unnecessary inflation |
|
2071 |
ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); |
|
2072 |
} else { |
|
2073 |
ObjectSynchronizer::slow_enter(h_obj, lock, CHECK); |
|
2074 |
} |
|
2075 |
assert(!HAS_PENDING_EXCEPTION, "Should have no exception here"); |
|
29070 | 2076 |
JRT_BLOCK_END |
1 | 2077 |
JRT_END |
2078 |
||
2079 |
// Handles the uncommon cases of monitor unlocking in compiled code |
|
30244 | 2080 |
JRT_LEAF(void, SharedRuntime::complete_monitor_unlocking_C(oopDesc* _obj, BasicLock* lock, JavaThread * THREAD)) |
1 | 2081 |
oop obj(_obj); |
30244 | 2082 |
assert(JavaThread::current() == THREAD, "invariant"); |
1 | 2083 |
// I'm not convinced we need the code contained by MIGHT_HAVE_PENDING anymore |
2084 |
// testing was unable to ever fire the assert that guarded it so I have removed it. |
|
2085 |
assert(!HAS_PENDING_EXCEPTION, "Do we need code below anymore?"); |
|
2086 |
#undef MIGHT_HAVE_PENDING |
|
2087 |
#ifdef MIGHT_HAVE_PENDING |
|
2088 |
// Save and restore any pending_exception around the exception mark. |
|
2089 |
// While the slow_exit must not throw an exception, we could come into |
|
2090 |
// this routine with one set. |
|
2091 |
oop pending_excep = NULL; |
|
2092 |
const char* pending_file; |
|
2093 |
int pending_line; |
|
2094 |
if (HAS_PENDING_EXCEPTION) { |
|
2095 |
pending_excep = PENDING_EXCEPTION; |
|
2096 |
pending_file = THREAD->exception_file(); |
|
2097 |
pending_line = THREAD->exception_line(); |
|
2098 |
CLEAR_PENDING_EXCEPTION; |
|
2099 |
} |
|
2100 |
#endif /* MIGHT_HAVE_PENDING */ |
|
2101 |
||
2102 |
{ |
|
2103 |
// Exit must be non-blocking, and therefore no exceptions can be thrown. |
|
2104 |
EXCEPTION_MARK; |
|
2105 |
ObjectSynchronizer::slow_exit(obj, lock, THREAD); |
|
2106 |
} |
|
2107 |
||
2108 |
#ifdef MIGHT_HAVE_PENDING |
|
2109 |
if (pending_excep != NULL) { |
|
2110 |
THREAD->set_pending_exception(pending_excep, pending_file, pending_line); |
|
2111 |
} |
|
2112 |
#endif /* MIGHT_HAVE_PENDING */ |
|
2113 |
JRT_END |
|
2114 |
||
2115 |
#ifndef PRODUCT |
|
2116 |
||
2117 |
void SharedRuntime::print_statistics() { |
|
2118 |
ttyLocker ttyl; |
|
2119 |
if (xtty != NULL) xtty->head("statistics type='SharedRuntime'"); |
|
2120 |
||
2121 |
if (_throw_null_ctr) tty->print_cr("%5d implicit null throw", _throw_null_ctr); |
|
2122 |
||
2123 |
SharedRuntime::print_ic_miss_histogram(); |
|
2124 |
||
2125 |
if (CountRemovableExceptions) { |
|
2126 |
if (_nof_removable_exceptions > 0) { |
|
2127 |
Unimplemented(); // this counter is not yet incremented |
|
2128 |
tty->print_cr("Removable exceptions: %d", _nof_removable_exceptions); |
|
2129 |
} |
|
2130 |
} |
|
2131 |
||
2132 |
// Dump the JRT_ENTRY counters |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2133 |
if (_new_instance_ctr) tty->print_cr("%5d new instance requires GC", _new_instance_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2134 |
if (_new_array_ctr) tty->print_cr("%5d new array requires GC", _new_array_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2135 |
if (_multi1_ctr) tty->print_cr("%5d multianewarray 1 dim", _multi1_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2136 |
if (_multi2_ctr) tty->print_cr("%5d multianewarray 2 dim", _multi2_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2137 |
if (_multi3_ctr) tty->print_cr("%5d multianewarray 3 dim", _multi3_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2138 |
if (_multi4_ctr) tty->print_cr("%5d multianewarray 4 dim", _multi4_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2139 |
if (_multi5_ctr) tty->print_cr("%5d multianewarray 5 dim", _multi5_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2140 |
|
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2141 |
tty->print_cr("%5d inline cache miss in compiled", _ic_miss_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2142 |
tty->print_cr("%5d wrong method", _wrong_method_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2143 |
tty->print_cr("%5d unresolved static call site", _resolve_static_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2144 |
tty->print_cr("%5d unresolved virtual call site", _resolve_virtual_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2145 |
tty->print_cr("%5d unresolved opt virtual call site", _resolve_opt_virtual_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2146 |
|
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2147 |
if (_mon_enter_stub_ctr) tty->print_cr("%5d monitor enter stub", _mon_enter_stub_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2148 |
if (_mon_exit_stub_ctr) tty->print_cr("%5d monitor exit stub", _mon_exit_stub_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2149 |
if (_mon_enter_ctr) tty->print_cr("%5d monitor enter slow", _mon_enter_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2150 |
if (_mon_exit_ctr) tty->print_cr("%5d monitor exit slow", _mon_exit_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2151 |
if (_partial_subtype_ctr) tty->print_cr("%5d slow partial subtype", _partial_subtype_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2152 |
if (_jbyte_array_copy_ctr) tty->print_cr("%5d byte array copies", _jbyte_array_copy_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2153 |
if (_jshort_array_copy_ctr) tty->print_cr("%5d short array copies", _jshort_array_copy_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2154 |
if (_jint_array_copy_ctr) tty->print_cr("%5d int array copies", _jint_array_copy_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2155 |
if (_jlong_array_copy_ctr) tty->print_cr("%5d long array copies", _jlong_array_copy_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2156 |
if (_oop_array_copy_ctr) tty->print_cr("%5d oop array copies", _oop_array_copy_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2157 |
if (_checkcast_array_copy_ctr) tty->print_cr("%5d checkcast array copies", _checkcast_array_copy_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2158 |
if (_unsafe_array_copy_ctr) tty->print_cr("%5d unsafe array copies", _unsafe_array_copy_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2159 |
if (_generic_array_copy_ctr) tty->print_cr("%5d generic array copies", _generic_array_copy_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2160 |
if (_slow_array_copy_ctr) tty->print_cr("%5d slow array copies", _slow_array_copy_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2161 |
if (_find_handler_ctr) tty->print_cr("%5d find exception handler", _find_handler_ctr); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2162 |
if (_rethrow_ctr) tty->print_cr("%5d rethrow handler", _rethrow_ctr); |
1 | 2163 |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2164 |
AdapterHandlerLibrary::print_statistics(); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2165 |
|
1 | 2166 |
if (xtty != NULL) xtty->tail("statistics"); |
2167 |
} |
|
2168 |
||
2169 |
inline double percent(int x, int y) { |
|
2170 |
return 100.0 * x / MAX2(y, 1); |
|
2171 |
} |
|
2172 |
||
2173 |
class MethodArityHistogram { |
|
2174 |
public: |
|
2175 |
enum { MAX_ARITY = 256 }; |
|
2176 |
private: |
|
2177 |
static int _arity_histogram[MAX_ARITY]; // histogram of #args |
|
2178 |
static int _size_histogram[MAX_ARITY]; // histogram of arg size in words |
|
2179 |
static int _max_arity; // max. arity seen |
|
2180 |
static int _max_size; // max. arg size seen |
|
2181 |
||
2182 |
static void add_method_to_histogram(nmethod* nm) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
2183 |
Method* m = nm->method(); |
1 | 2184 |
ArgumentCount args(m->signature()); |
2185 |
int arity = args.size() + (m->is_static() ? 0 : 1); |
|
2186 |
int argsize = m->size_of_parameters(); |
|
2187 |
arity = MIN2(arity, MAX_ARITY-1); |
|
2188 |
argsize = MIN2(argsize, MAX_ARITY-1); |
|
2189 |
int count = nm->method()->compiled_invocation_count(); |
|
2190 |
_arity_histogram[arity] += count; |
|
2191 |
_size_histogram[argsize] += count; |
|
2192 |
_max_arity = MAX2(_max_arity, arity); |
|
2193 |
_max_size = MAX2(_max_size, argsize); |
|
2194 |
} |
|
2195 |
||
2196 |
void print_histogram_helper(int n, int* histo, const char* name) { |
|
2197 |
const int N = MIN2(5, n); |
|
2198 |
tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):"); |
|
2199 |
double sum = 0; |
|
2200 |
double weighted_sum = 0; |
|
2201 |
int i; |
|
2202 |
for (i = 0; i <= n; i++) { sum += histo[i]; weighted_sum += i*histo[i]; } |
|
2203 |
double rest = sum; |
|
2204 |
double percent = sum / 100; |
|
2205 |
for (i = 0; i <= N; i++) { |
|
2206 |
rest -= histo[i]; |
|
2207 |
tty->print_cr("%4d: %7d (%5.1f%%)", i, histo[i], histo[i] / percent); |
|
2208 |
} |
|
2209 |
tty->print_cr("rest: %7d (%5.1f%%))", (int)rest, rest / percent); |
|
2210 |
tty->print_cr("(avg. %s = %3.1f, max = %d)", name, weighted_sum / sum, n); |
|
2211 |
} |
|
2212 |
||
2213 |
void print_histogram() { |
|
2214 |
tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):"); |
|
2215 |
print_histogram_helper(_max_arity, _arity_histogram, "arity"); |
|
2216 |
tty->print_cr("\nSame for parameter size (in words):"); |
|
2217 |
print_histogram_helper(_max_size, _size_histogram, "size"); |
|
2218 |
tty->cr(); |
|
2219 |
} |
|
2220 |
||
2221 |
public: |
|
2222 |
MethodArityHistogram() { |
|
2223 |
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
2224 |
_max_arity = _max_size = 0; |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2225 |
for (int i = 0; i < MAX_ARITY; i++) _arity_histogram[i] = _size_histogram[i] = 0; |
1 | 2226 |
CodeCache::nmethods_do(add_method_to_histogram); |
2227 |
print_histogram(); |
|
2228 |
} |
|
2229 |
}; |
|
2230 |
||
2231 |
int MethodArityHistogram::_arity_histogram[MethodArityHistogram::MAX_ARITY]; |
|
2232 |
int MethodArityHistogram::_size_histogram[MethodArityHistogram::MAX_ARITY]; |
|
2233 |
int MethodArityHistogram::_max_arity; |
|
2234 |
int MethodArityHistogram::_max_size; |
|
2235 |
||
2236 |
void SharedRuntime::print_call_statistics(int comp_total) { |
|
2237 |
tty->print_cr("Calls from compiled code:"); |
|
2238 |
int total = _nof_normal_calls + _nof_interface_calls + _nof_static_calls; |
|
2239 |
int mono_c = _nof_normal_calls - _nof_optimized_calls - _nof_megamorphic_calls; |
|
2240 |
int mono_i = _nof_interface_calls - _nof_optimized_interface_calls - _nof_megamorphic_interface_calls; |
|
2241 |
tty->print_cr("\t%9d (%4.1f%%) total non-inlined ", total, percent(total, total)); |
|
2242 |
tty->print_cr("\t%9d (%4.1f%%) virtual calls ", _nof_normal_calls, percent(_nof_normal_calls, total)); |
|
2243 |
tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_calls, percent(_nof_inlined_calls, _nof_normal_calls)); |
|
2244 |
tty->print_cr("\t %9d (%3.0f%%) optimized ", _nof_optimized_calls, percent(_nof_optimized_calls, _nof_normal_calls)); |
|
2245 |
tty->print_cr("\t %9d (%3.0f%%) monomorphic ", mono_c, percent(mono_c, _nof_normal_calls)); |
|
2246 |
tty->print_cr("\t %9d (%3.0f%%) megamorphic ", _nof_megamorphic_calls, percent(_nof_megamorphic_calls, _nof_normal_calls)); |
|
2247 |
tty->print_cr("\t%9d (%4.1f%%) interface calls ", _nof_interface_calls, percent(_nof_interface_calls, total)); |
|
2248 |
tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_interface_calls, percent(_nof_inlined_interface_calls, _nof_interface_calls)); |
|
2249 |
tty->print_cr("\t %9d (%3.0f%%) optimized ", _nof_optimized_interface_calls, percent(_nof_optimized_interface_calls, _nof_interface_calls)); |
|
2250 |
tty->print_cr("\t %9d (%3.0f%%) monomorphic ", mono_i, percent(mono_i, _nof_interface_calls)); |
|
2251 |
tty->print_cr("\t %9d (%3.0f%%) megamorphic ", _nof_megamorphic_interface_calls, percent(_nof_megamorphic_interface_calls, _nof_interface_calls)); |
|
2252 |
tty->print_cr("\t%9d (%4.1f%%) static/special calls", _nof_static_calls, percent(_nof_static_calls, total)); |
|
2253 |
tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_static_calls, percent(_nof_inlined_static_calls, _nof_static_calls)); |
|
2254 |
tty->cr(); |
|
2255 |
tty->print_cr("Note 1: counter updates are not MT-safe."); |
|
2256 |
tty->print_cr("Note 2: %% in major categories are relative to total non-inlined calls;"); |
|
2257 |
tty->print_cr(" %% in nested categories are relative to their category"); |
|
2258 |
tty->print_cr(" (and thus add up to more than 100%% with inlining)"); |
|
2259 |
tty->cr(); |
|
2260 |
||
2261 |
MethodArityHistogram h; |
|
2262 |
} |
|
2263 |
#endif |
|
2264 |
||
2265 |
||
4735
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|
2266 |
// A simple wrapper class around the calling convention information |
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|
2267 |
// that allows sharing of adapters for the same calling convention. |
13195 | 2268 |
class AdapterFingerPrint : public CHeapObj<mtCode> { |
4735
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changeset
|
2269 |
private: |
13391
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twisti
parents:
13195
diff
changeset
|
2270 |
enum { |
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twisti
parents:
13195
diff
changeset
|
2271 |
_basic_type_bits = 4, |
30245956af37
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twisti
parents:
13195
diff
changeset
|
2272 |
_basic_type_mask = right_n_bits(_basic_type_bits), |
30245956af37
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13195
diff
changeset
|
2273 |
_basic_types_per_int = BitsPerInt / _basic_type_bits, |
30245956af37
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parents:
13195
diff
changeset
|
2274 |
_compact_int_count = 3 |
30245956af37
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twisti
parents:
13195
diff
changeset
|
2275 |
}; |
30245956af37
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parents:
13195
diff
changeset
|
2276 |
// TO DO: Consider integrating this with a more global scheme for compressing signatures. |
30245956af37
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twisti
parents:
13195
diff
changeset
|
2277 |
// For now, 4 bits per components (plus T_VOID gaps after double/long) is not excessive. |
30245956af37
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twisti
parents:
13195
diff
changeset
|
2278 |
|
4735
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changeset
|
2279 |
union { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2280 |
int _compact[_compact_int_count]; |
4755
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|
2281 |
int* _fingerprint; |
4735
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changeset
|
2282 |
} _value; |
4755
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changeset
|
2283 |
int _length; // A negative length indicates the fingerprint is in the compact form, |
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changeset
|
2284 |
// Otherwise _value._fingerprint is the array. |
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changeset
|
2285 |
|
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parents:
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diff
changeset
|
2286 |
// Remap BasicTypes that are handled equivalently by the adapters. |
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changeset
|
2287 |
// These are correct for the current system but someday it might be |
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|
2288 |
// necessary to make this mapping platform dependent. |
13391
30245956af37
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twisti
parents:
13195
diff
changeset
|
2289 |
static int adapter_encoding(BasicType in) { |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2290 |
switch (in) { |
4755
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parents:
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diff
changeset
|
2291 |
case T_BOOLEAN: |
eee57ea6d910
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parents:
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diff
changeset
|
2292 |
case T_BYTE: |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
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parents:
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diff
changeset
|
2293 |
case T_SHORT: |
eee57ea6d910
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parents:
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diff
changeset
|
2294 |
case T_CHAR: |
eee57ea6d910
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parents:
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diff
changeset
|
2295 |
// There are all promoted to T_INT in the calling convention |
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parents:
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diff
changeset
|
2296 |
return T_INT; |
4735
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parents:
4571
diff
changeset
|
2297 |
|
4755
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parents:
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diff
changeset
|
2298 |
case T_OBJECT: |
eee57ea6d910
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parents:
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diff
changeset
|
2299 |
case T_ARRAY: |
13391
30245956af37
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twisti
parents:
13195
diff
changeset
|
2300 |
// In other words, we assume that any register good enough for |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2301 |
// an int or long is good enough for a managed pointer. |
4755
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changeset
|
2302 |
#ifdef _LP64 |
5419 | 2303 |
return T_LONG; |
4755
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parents:
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diff
changeset
|
2304 |
#else |
5419 | 2305 |
return T_INT; |
4755
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parents:
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diff
changeset
|
2306 |
#endif |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
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parents:
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diff
changeset
|
2307 |
|
eee57ea6d910
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parents:
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diff
changeset
|
2308 |
case T_INT: |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2309 |
case T_LONG: |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2310 |
case T_FLOAT: |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2311 |
case T_DOUBLE: |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2312 |
case T_VOID: |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2313 |
return in; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
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parents:
4753
diff
changeset
|
2314 |
|
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2315 |
default: |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2316 |
ShouldNotReachHere(); |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2317 |
return T_CONFLICT; |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2318 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2319 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2320 |
|
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2321 |
public: |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2322 |
AdapterFingerPrint(int total_args_passed, BasicType* sig_bt) { |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2323 |
// The fingerprint is based on the BasicType signature encoded |
10254
406448a00c51
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
10004
diff
changeset
|
2324 |
// into an array of ints with eight entries per int. |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2325 |
int* ptr; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2326 |
int len = (total_args_passed + (_basic_types_per_int-1)) / _basic_types_per_int; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2327 |
if (len <= _compact_int_count) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2328 |
assert(_compact_int_count == 3, "else change next line"); |
4755
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6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2329 |
_value._compact[0] = _value._compact[1] = _value._compact[2] = 0; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2330 |
// Storing the signature encoded as signed chars hits about 98% |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2331 |
// of the time. |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2332 |
_length = -len; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2333 |
ptr = _value._compact; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2334 |
} else { |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2335 |
_length = len; |
13195 | 2336 |
_value._fingerprint = NEW_C_HEAP_ARRAY(int, _length, mtCode); |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2337 |
ptr = _value._fingerprint; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2338 |
} |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2339 |
|
10254
406448a00c51
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
10004
diff
changeset
|
2340 |
// Now pack the BasicTypes with 8 per int |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2341 |
int sig_index = 0; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2342 |
for (int index = 0; index < len; index++) { |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2343 |
int value = 0; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2344 |
for (int byte = 0; byte < _basic_types_per_int; byte++) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2345 |
int bt = ((sig_index < total_args_passed) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2346 |
? adapter_encoding(sig_bt[sig_index++]) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2347 |
: 0); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2348 |
assert((bt & _basic_type_mask) == bt, "must fit in 4 bits"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2349 |
value = (value << _basic_type_bits) | bt; |
4755
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6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2350 |
} |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2351 |
ptr[index] = value; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2352 |
} |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2353 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2354 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2355 |
~AdapterFingerPrint() { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2356 |
if (_length > 0) { |
27880
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27420
diff
changeset
|
2357 |
FREE_C_HEAP_ARRAY(int, _value._fingerprint); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2358 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2359 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2360 |
|
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2361 |
int value(int index) { |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2362 |
if (_length < 0) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2363 |
return _value._compact[index]; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2364 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2365 |
return _value._fingerprint[index]; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2366 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2367 |
int length() { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2368 |
if (_length < 0) return -_length; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2369 |
return _length; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2370 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2371 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2372 |
bool is_compact() { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2373 |
return _length <= 0; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2374 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2375 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2376 |
unsigned int compute_hash() { |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2377 |
int hash = 0; |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2378 |
for (int i = 0; i < length(); i++) { |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2379 |
int v = value(i); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2380 |
hash = (hash << 8) ^ v ^ (hash >> 5); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2381 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2382 |
return (unsigned int)hash; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2383 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2384 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2385 |
const char* as_string() { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2386 |
stringStream st; |
10254
406448a00c51
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
10004
diff
changeset
|
2387 |
st.print("0x"); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2388 |
for (int i = 0; i < length(); i++) { |
10254
406448a00c51
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
10004
diff
changeset
|
2389 |
st.print("%08x", value(i)); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2390 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2391 |
return st.as_string(); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2392 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2393 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2394 |
bool equals(AdapterFingerPrint* other) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2395 |
if (other->_length != _length) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2396 |
return false; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2397 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2398 |
if (_length < 0) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2399 |
assert(_compact_int_count == 3, "else change next line"); |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2400 |
return _value._compact[0] == other->_value._compact[0] && |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2401 |
_value._compact[1] == other->_value._compact[1] && |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2402 |
_value._compact[2] == other->_value._compact[2]; |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2403 |
} else { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2404 |
for (int i = 0; i < _length; i++) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2405 |
if (_value._fingerprint[i] != other->_value._fingerprint[i]) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2406 |
return false; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2407 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2408 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2409 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2410 |
return true; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2411 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2412 |
}; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2413 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2414 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2415 |
// A hashtable mapping from AdapterFingerPrints to AdapterHandlerEntries |
13195 | 2416 |
class AdapterHandlerTable : public BasicHashtable<mtCode> { |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2417 |
friend class AdapterHandlerTableIterator; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2418 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2419 |
private: |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2420 |
|
4904
186345703249
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
4898
diff
changeset
|
2421 |
#ifndef PRODUCT |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2422 |
static int _lookups; // number of calls to lookup |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2423 |
static int _buckets; // number of buckets checked |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2424 |
static int _equals; // number of buckets checked with matching hash |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2425 |
static int _hits; // number of successful lookups |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2426 |
static int _compact; // number of equals calls with compact signature |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2427 |
#endif |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2428 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2429 |
AdapterHandlerEntry* bucket(int i) { |
13195 | 2430 |
return (AdapterHandlerEntry*)BasicHashtable<mtCode>::bucket(i); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2431 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2432 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2433 |
public: |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2434 |
AdapterHandlerTable() |
37439
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2435 |
: BasicHashtable<mtCode>(293, (DumpSharedSpaces ? sizeof(CDSAdapterHandlerEntry) : sizeof(AdapterHandlerEntry))) { } |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2436 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2437 |
// Create a new entry suitable for insertion in the table |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2438 |
AdapterHandlerEntry* new_entry(AdapterFingerPrint* fingerprint, address i2c_entry, address c2i_entry, address c2i_unverified_entry) { |
13195 | 2439 |
AdapterHandlerEntry* entry = (AdapterHandlerEntry*)BasicHashtable<mtCode>::new_entry(fingerprint->compute_hash()); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2440 |
entry->init(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry); |
37439
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2441 |
if (DumpSharedSpaces) { |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2442 |
((CDSAdapterHandlerEntry*)entry)->init(); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2443 |
} |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2444 |
return entry; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2445 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2446 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2447 |
// Insert an entry into the table |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2448 |
void add(AdapterHandlerEntry* entry) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2449 |
int index = hash_to_index(entry->hash()); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2450 |
add_entry(index, entry); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2451 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2452 |
|
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2453 |
void free_entry(AdapterHandlerEntry* entry) { |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2454 |
entry->deallocate(); |
13195 | 2455 |
BasicHashtable<mtCode>::free_entry(entry); |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2456 |
} |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2457 |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2458 |
// Find a entry with the same fingerprint if it exists |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2459 |
AdapterHandlerEntry* lookup(int total_args_passed, BasicType* sig_bt) { |
4904
186345703249
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
4898
diff
changeset
|
2460 |
NOT_PRODUCT(_lookups++); |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2461 |
AdapterFingerPrint fp(total_args_passed, sig_bt); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2462 |
unsigned int hash = fp.compute_hash(); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2463 |
int index = hash_to_index(hash); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2464 |
for (AdapterHandlerEntry* e = bucket(index); e != NULL; e = e->next()) { |
4904
186345703249
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
4898
diff
changeset
|
2465 |
NOT_PRODUCT(_buckets++); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2466 |
if (e->hash() == hash) { |
4904
186345703249
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
4898
diff
changeset
|
2467 |
NOT_PRODUCT(_equals++); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2468 |
if (fp.equals(e->fingerprint())) { |
4904
186345703249
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
4898
diff
changeset
|
2469 |
#ifndef PRODUCT |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2470 |
if (fp.is_compact()) _compact++; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2471 |
_hits++; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2472 |
#endif |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2473 |
return e; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2474 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2475 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2476 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2477 |
return NULL; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2478 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2479 |
|
4904
186345703249
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
4898
diff
changeset
|
2480 |
#ifndef PRODUCT |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2481 |
void print_statistics() { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2482 |
ResourceMark rm; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2483 |
int longest = 0; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2484 |
int empty = 0; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2485 |
int total = 0; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2486 |
int nonempty = 0; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2487 |
for (int index = 0; index < table_size(); index++) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2488 |
int count = 0; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2489 |
for (AdapterHandlerEntry* e = bucket(index); e != NULL; e = e->next()) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2490 |
count++; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2491 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2492 |
if (count != 0) nonempty++; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2493 |
if (count == 0) empty++; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2494 |
if (count > longest) longest = count; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2495 |
total += count; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2496 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2497 |
tty->print_cr("AdapterHandlerTable: empty %d longest %d total %d average %f", |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2498 |
empty, longest, total, total / (double)nonempty); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2499 |
tty->print_cr("AdapterHandlerTable: lookups %d buckets %d equals %d hits %d compact %d", |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2500 |
_lookups, _buckets, _equals, _hits, _compact); |
4904
186345703249
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
4898
diff
changeset
|
2501 |
} |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2502 |
#endif |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2503 |
}; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2504 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2505 |
|
4904
186345703249
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
4898
diff
changeset
|
2506 |
#ifndef PRODUCT |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2507 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
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diff
changeset
|
2508 |
int AdapterHandlerTable::_lookups; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
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diff
changeset
|
2509 |
int AdapterHandlerTable::_buckets; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2510 |
int AdapterHandlerTable::_equals; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2511 |
int AdapterHandlerTable::_hits; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2512 |
int AdapterHandlerTable::_compact; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2513 |
|
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
2514 |
#endif |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
2515 |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2516 |
class AdapterHandlerTableIterator : public StackObj { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2517 |
private: |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2518 |
AdapterHandlerTable* _table; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2519 |
int _index; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2520 |
AdapterHandlerEntry* _current; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2521 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2522 |
void scan() { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2523 |
while (_index < _table->table_size()) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2524 |
AdapterHandlerEntry* a = _table->bucket(_index); |
5687 | 2525 |
_index++; |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
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diff
changeset
|
2526 |
if (a != NULL) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2527 |
_current = a; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2528 |
return; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2529 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2530 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2531 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2532 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2533 |
public: |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2534 |
AdapterHandlerTableIterator(AdapterHandlerTable* table): _table(table), _index(0), _current(NULL) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2535 |
scan(); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2536 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2537 |
bool has_next() { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2538 |
return _current != NULL; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2539 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2540 |
AdapterHandlerEntry* next() { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2541 |
if (_current != NULL) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2542 |
AdapterHandlerEntry* result = _current; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2543 |
_current = _current->next(); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2544 |
if (_current == NULL) scan(); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2545 |
return result; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2546 |
} else { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2547 |
return NULL; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2548 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2549 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2550 |
}; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2551 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2552 |
|
1 | 2553 |
// --------------------------------------------------------------------------- |
2554 |
// Implementation of AdapterHandlerLibrary |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
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4571
diff
changeset
|
2555 |
AdapterHandlerTable* AdapterHandlerLibrary::_adapters = NULL; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
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diff
changeset
|
2556 |
AdapterHandlerEntry* AdapterHandlerLibrary::_abstract_method_handler = NULL; |
1 | 2557 |
const int AdapterHandlerLibrary_size = 16*K; |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2558 |
BufferBlob* AdapterHandlerLibrary::_buffer = NULL; |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2559 |
|
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2560 |
BufferBlob* AdapterHandlerLibrary::buffer_blob() { |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2561 |
// Should be called only when AdapterHandlerLibrary_lock is active. |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2562 |
if (_buffer == NULL) // Initialize lazily |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2563 |
_buffer = BufferBlob::create("adapters", AdapterHandlerLibrary_size); |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2564 |
return _buffer; |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2565 |
} |
1 | 2566 |
|
31620
53be635ad49c
8087333: Optionally Pre-Generate the HotSpot Template Interpreter
bdelsart
parents:
31389
diff
changeset
|
2567 |
extern "C" void unexpected_adapter_call() { |
53be635ad49c
8087333: Optionally Pre-Generate the HotSpot Template Interpreter
bdelsart
parents:
31389
diff
changeset
|
2568 |
ShouldNotCallThis(); |
53be635ad49c
8087333: Optionally Pre-Generate the HotSpot Template Interpreter
bdelsart
parents:
31389
diff
changeset
|
2569 |
} |
53be635ad49c
8087333: Optionally Pre-Generate the HotSpot Template Interpreter
bdelsart
parents:
31389
diff
changeset
|
2570 |
|
1 | 2571 |
void AdapterHandlerLibrary::initialize() { |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2572 |
if (_adapters != NULL) return; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2573 |
_adapters = new AdapterHandlerTable(); |
1 | 2574 |
|
42664 | 2575 |
// Create a special handler for abstract methods. Abstract methods |
2576 |
// are never compiled so an i2c entry is somewhat meaningless, but |
|
2577 |
// throw AbstractMethodError just in case. |
|
2578 |
// Pass wrong_method_abstract for the c2i transitions to return |
|
2579 |
// AbstractMethodError for invalid invocations. |
|
2580 |
address wrong_method_abstract = SharedRuntime::get_handle_wrong_method_abstract_stub(); |
|
2581 |
_abstract_method_handler = AdapterHandlerLibrary::new_entry(new AdapterFingerPrint(0, NULL), |
|
2582 |
StubRoutines::throw_AbstractMethodError_entry(), |
|
2583 |
wrong_method_abstract, wrong_method_abstract); |
|
1 | 2584 |
} |
2585 |
||
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2586 |
AdapterHandlerEntry* AdapterHandlerLibrary::new_entry(AdapterFingerPrint* fingerprint, |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2587 |
address i2c_entry, |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2588 |
address c2i_entry, |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2589 |
address c2i_unverified_entry) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2590 |
return _adapters->new_entry(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2591 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2592 |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33230
diff
changeset
|
2593 |
AdapterHandlerEntry* AdapterHandlerLibrary::get_adapter(const methodHandle& method) { |
37439
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2594 |
AdapterHandlerEntry* entry = get_adapter0(method); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2595 |
if (method->is_shared()) { |
42608
14af45789042
8169867: Method::restore_unshareable_info does not invoke Method::link_method
iklam
parents:
42575
diff
changeset
|
2596 |
// See comments around Method::link_method() |
37439
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2597 |
MutexLocker mu(AdapterHandlerLibrary_lock); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2598 |
if (method->adapter() == NULL) { |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2599 |
method->update_adapter_trampoline(entry); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2600 |
} |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2601 |
address trampoline = method->from_compiled_entry(); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2602 |
if (*(int*)trampoline == 0) { |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2603 |
CodeBuffer buffer(trampoline, (int)SharedRuntime::trampoline_size()); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2604 |
MacroAssembler _masm(&buffer); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2605 |
SharedRuntime::generate_trampoline(&_masm, entry->get_c2i_entry()); |
42608
14af45789042
8169867: Method::restore_unshareable_info does not invoke Method::link_method
iklam
parents:
42575
diff
changeset
|
2606 |
assert(*(int*)trampoline != 0, "Instruction(s) for trampoline must not be encoded as zeros."); |
37439
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2607 |
|
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2608 |
if (PrintInterpreter) { |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2609 |
Disassembler::decode(buffer.insts_begin(), buffer.insts_end()); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2610 |
} |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2611 |
} |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2612 |
} |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2613 |
|
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2614 |
return entry; |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2615 |
} |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2616 |
|
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
2617 |
AdapterHandlerEntry* AdapterHandlerLibrary::get_adapter0(const methodHandle& method) { |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2618 |
// Use customized signature handler. Need to lock around updates to |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2619 |
// the AdapterHandlerTable (it is not safe for concurrent readers |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2620 |
// and a single writer: this could be fixed if it becomes a |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2621 |
// problem). |
1 | 2622 |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2623 |
ResourceMark rm; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2624 |
|
6418 | 2625 |
NOT_PRODUCT(int insts_size); |
22209 | 2626 |
AdapterBlob* new_adapter = NULL; |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2627 |
AdapterHandlerEntry* entry = NULL; |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2628 |
AdapterFingerPrint* fingerprint = NULL; |
1 | 2629 |
{ |
2630 |
MutexLocker mu(AdapterHandlerLibrary_lock); |
|
2631 |
// make sure data structure is initialized |
|
2632 |
initialize(); |
|
2633 |
||
2634 |
if (method->is_abstract()) { |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2635 |
return _abstract_method_handler; |
1 | 2636 |
} |
2637 |
||
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2638 |
// Fill in the signature array, for the calling-convention call. |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2639 |
int total_args_passed = method->size_of_parameters(); // All args on stack |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2640 |
|
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2641 |
BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2642 |
VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2643 |
int i = 0; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2644 |
if (!method->is_static()) // Pass in receiver first |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2645 |
sig_bt[i++] = T_OBJECT; |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2646 |
for (SignatureStream ss(method->signature()); !ss.at_return_type(); ss.next()) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2647 |
sig_bt[i++] = ss.type(); // Collect remaining bits of signature |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2648 |
if (ss.type() == T_LONG || ss.type() == T_DOUBLE) |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2649 |
sig_bt[i++] = T_VOID; // Longs & doubles take 2 Java slots |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2650 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2651 |
assert(i == total_args_passed, ""); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2652 |
|
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2653 |
// Lookup method signature's fingerprint |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2654 |
entry = _adapters->lookup(total_args_passed, sig_bt); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2655 |
|
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2656 |
#ifdef ASSERT |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2657 |
AdapterHandlerEntry* shared_entry = NULL; |
22209 | 2658 |
// Start adapter sharing verification only after the VM is booted. |
2659 |
if (VerifyAdapterSharing && (entry != NULL)) { |
|
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2660 |
shared_entry = entry; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2661 |
entry = NULL; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2662 |
} |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2663 |
#endif |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2664 |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2665 |
if (entry != NULL) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2666 |
return entry; |
1 | 2667 |
} |
2668 |
||
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2669 |
// Get a description of the compiled java calling convention and the largest used (VMReg) stack slot usage |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2670 |
int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, false); |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2671 |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2672 |
// Make a C heap allocated version of the fingerprint to store in the adapter |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2673 |
fingerprint = new AdapterFingerPrint(total_args_passed, sig_bt); |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2674 |
|
22209 | 2675 |
// StubRoutines::code2() is initialized after this function can be called. As a result, |
2676 |
// VerifyAdapterCalls and VerifyAdapterSharing can fail if we re-use code that generated |
|
2677 |
// prior to StubRoutines::code2() being set. Checks refer to checks generated in an I2C |
|
2678 |
// stub that ensure that an I2C stub is called from an interpreter frame. |
|
2679 |
bool contains_all_checks = StubRoutines::code2() != NULL; |
|
2680 |
||
1 | 2681 |
// Create I2C & C2I handlers |
5050
47ecd86932ce
6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
twisti
parents:
5046
diff
changeset
|
2682 |
BufferBlob* buf = buffer_blob(); // the temporary code buffer in CodeCache |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2683 |
if (buf != NULL) { |
6418 | 2684 |
CodeBuffer buffer(buf); |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2685 |
short buffer_locs[20]; |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2686 |
buffer.insts()->initialize_shared_locs((relocInfo*)buffer_locs, |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2687 |
sizeof(buffer_locs)/sizeof(relocInfo)); |
22209 | 2688 |
|
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2689 |
MacroAssembler _masm(&buffer); |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2690 |
entry = SharedRuntime::generate_i2c2i_adapters(&_masm, |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2691 |
total_args_passed, |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2692 |
comp_args_on_stack, |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2693 |
sig_bt, |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2694 |
regs, |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2695 |
fingerprint); |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2696 |
#ifdef ASSERT |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2697 |
if (VerifyAdapterSharing) { |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2698 |
if (shared_entry != NULL) { |
22209 | 2699 |
assert(shared_entry->compare_code(buf->code_begin(), buffer.insts_size()), "code must match"); |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2700 |
// Release the one just created and return the original |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2701 |
_adapters->free_entry(entry); |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2702 |
return shared_entry; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2703 |
} else { |
22209 | 2704 |
entry->save_code(buf->code_begin(), buffer.insts_size()); |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2705 |
} |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2706 |
} |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2707 |
#endif |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2708 |
|
22209 | 2709 |
new_adapter = AdapterBlob::create(&buffer); |
6418 | 2710 |
NOT_PRODUCT(insts_size = buffer.insts_size()); |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2711 |
} |
22209 | 2712 |
if (new_adapter == NULL) { |
201 | 2713 |
// CodeCache is full, disable compilation |
2714 |
// Ought to log this but compile log is only per compile thread |
|
2715 |
// and we're some non descript Java thread. |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2716 |
return NULL; // Out of CodeCache space |
201 | 2717 |
} |
22209 | 2718 |
entry->relocate(new_adapter->content_begin()); |
1 | 2719 |
#ifndef PRODUCT |
2720 |
// debugging suppport |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2721 |
if (PrintAdapterHandlers || PrintStubCode) { |
13887
89b873bcc55b
7200163: add CodeComments functionality to assember stubs
kvn
parents:
13883
diff
changeset
|
2722 |
ttyLocker ttyl; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2723 |
entry->print_adapter_on(tty); |
25472
381638db28e6
8047104: cleanup misc issues prior to Contended Locking reorder and cache
dcubed
parents:
25365
diff
changeset
|
2724 |
tty->print_cr("i2c argument handler #%d for: %s %s %s (%d bytes generated)", |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2725 |
_adapters->number_of_entries(), (method->is_static() ? "static" : "receiver"), |
25472
381638db28e6
8047104: cleanup misc issues prior to Contended Locking reorder and cache
dcubed
parents:
25365
diff
changeset
|
2726 |
method->signature()->as_C_string(), fingerprint->as_string(), insts_size); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2727 |
tty->print_cr("c2i argument handler starts at %p", entry->get_c2i_entry()); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2728 |
if (Verbose || PrintStubCode) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2729 |
address first_pc = entry->base_address(); |
13887
89b873bcc55b
7200163: add CodeComments functionality to assember stubs
kvn
parents:
13883
diff
changeset
|
2730 |
if (first_pc != NULL) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2731 |
Disassembler::decode(first_pc, first_pc + insts_size); |
13887
89b873bcc55b
7200163: add CodeComments functionality to assember stubs
kvn
parents:
13883
diff
changeset
|
2732 |
tty->cr(); |
89b873bcc55b
7200163: add CodeComments functionality to assember stubs
kvn
parents:
13883
diff
changeset
|
2733 |
} |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2734 |
} |
1 | 2735 |
} |
2736 |
#endif |
|
22209 | 2737 |
// Add the entry only if the entry contains all required checks (see sharedRuntime_xxx.cpp) |
2738 |
// The checks are inserted only if -XX:+VerifyAdapterCalls is specified. |
|
2739 |
if (contains_all_checks || !VerifyAdapterCalls) { |
|
2740 |
_adapters->add(entry); |
|
2741 |
} |
|
1 | 2742 |
} |
2743 |
// Outside of the lock |
|
22209 | 2744 |
if (new_adapter != NULL) { |
1 | 2745 |
char blob_id[256]; |
2746 |
jio_snprintf(blob_id, |
|
2747 |
sizeof(blob_id), |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2748 |
"%s(%s)@" PTR_FORMAT, |
22209 | 2749 |
new_adapter->name(), |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2750 |
fingerprint->as_string(), |
22209 | 2751 |
new_adapter->content_begin()); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2752 |
Forte::register_stub(blob_id, new_adapter->content_begin(), new_adapter->content_end()); |
1 | 2753 |
|
2754 |
if (JvmtiExport::should_post_dynamic_code_generated()) { |
|
22209 | 2755 |
JvmtiExport::post_dynamic_code_generated(blob_id, new_adapter->content_begin(), new_adapter->content_end()); |
1 | 2756 |
} |
2757 |
} |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
2758 |
return entry; |
1 | 2759 |
} |
2760 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2761 |
address AdapterHandlerEntry::base_address() { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2762 |
address base = _i2c_entry; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2763 |
if (base == NULL) base = _c2i_entry; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2764 |
assert(base <= _c2i_entry || _c2i_entry == NULL, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2765 |
assert(base <= _c2i_unverified_entry || _c2i_unverified_entry == NULL, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2766 |
return base; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2767 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2768 |
|
1 | 2769 |
void AdapterHandlerEntry::relocate(address new_base) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2770 |
address old_base = base_address(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2771 |
assert(old_base != NULL, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2772 |
ptrdiff_t delta = new_base - old_base; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2773 |
if (_i2c_entry != NULL) |
1 | 2774 |
_i2c_entry += delta; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2775 |
if (_c2i_entry != NULL) |
1 | 2776 |
_c2i_entry += delta; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2777 |
if (_c2i_unverified_entry != NULL) |
1 | 2778 |
_c2i_unverified_entry += delta; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2779 |
assert(base_address() == new_base, ""); |
1 | 2780 |
} |
2781 |
||
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2782 |
|
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2783 |
void AdapterHandlerEntry::deallocate() { |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2784 |
delete _fingerprint; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2785 |
#ifdef ASSERT |
27880
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27420
diff
changeset
|
2786 |
if (_saved_code) FREE_C_HEAP_ARRAY(unsigned char, _saved_code); |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2787 |
#endif |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2788 |
} |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2789 |
|
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2790 |
|
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2791 |
#ifdef ASSERT |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2792 |
// Capture the code before relocation so that it can be compared |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2793 |
// against other versions. If the code is captured after relocation |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2794 |
// then relative instructions won't be equivalent. |
22209 | 2795 |
void AdapterHandlerEntry::save_code(unsigned char* buffer, int length) { |
13195 | 2796 |
_saved_code = NEW_C_HEAP_ARRAY(unsigned char, length, mtCode); |
22209 | 2797 |
_saved_code_length = length; |
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2798 |
memcpy(_saved_code, buffer, length); |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2799 |
} |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2800 |
|
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2801 |
|
22209 | 2802 |
bool AdapterHandlerEntry::compare_code(unsigned char* buffer, int length) { |
2803 |
if (length != _saved_code_length) { |
|
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2804 |
return false; |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2805 |
} |
22209 | 2806 |
|
2807 |
return (memcmp(buffer, _saved_code, length) == 0) ? true : false; |
|
4755
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2808 |
} |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2809 |
#endif |
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2810 |
|
eee57ea6d910
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
4753
diff
changeset
|
2811 |
|
22247 | 2812 |
/** |
2813 |
* Create a native wrapper for this native method. The wrapper converts the |
|
2814 |
* Java-compiled calling convention to the native convention, handles |
|
2815 |
* arguments, and transitions to native. On return from the native we transition |
|
2816 |
* back to java blocking if a safepoint is in progress. |
|
2817 |
*/ |
|
33593
60764a78fa5c
8140274: methodHandles and constantPoolHandles should be passed as const references
coleenp
parents:
33230
diff
changeset
|
2818 |
void AdapterHandlerLibrary::create_native_wrapper(const methodHandle& method) { |
1 | 2819 |
ResourceMark rm; |
2820 |
nmethod* nm = NULL; |
|
2821 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2822 |
assert(method->is_native(), "must be native"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2823 |
assert(method->is_method_handle_intrinsic() || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2824 |
method->has_native_function(), "must have something valid to call!"); |
1 | 2825 |
|
2826 |
{ |
|
22247 | 2827 |
// Perform the work while holding the lock, but perform any printing outside the lock |
1 | 2828 |
MutexLocker mu(AdapterHandlerLibrary_lock); |
2829 |
// See if somebody beat us to it |
|
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
2830 |
if (method->code() != NULL) { |
22247 | 2831 |
return; |
1 | 2832 |
} |
2833 |
||
22247 | 2834 |
const int compile_id = CompileBroker::assign_compile_id(method, CompileBroker::standard_entry_bci); |
2835 |
assert(compile_id > 0, "Must generate native wrapper"); |
|
2836 |
||
2837 |
||
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2838 |
ResourceMark rm; |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2839 |
BufferBlob* buf = buffer_blob(); // the temporary code buffer in CodeCache |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2840 |
if (buf != NULL) { |
6418 | 2841 |
CodeBuffer buffer(buf); |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2842 |
double locs_buf[20]; |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2843 |
buffer.insts()->initialize_shared_locs((relocInfo*)locs_buf, sizeof(locs_buf) / sizeof(relocInfo)); |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2844 |
MacroAssembler _masm(&buffer); |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2845 |
|
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2846 |
// Fill in the signature array, for the calling-convention call. |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
2847 |
const int total_args_passed = method->size_of_parameters(); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
2848 |
|
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
2849 |
BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); |
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
2850 |
VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2851 |
int i=0; |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2852 |
if (!method->is_static()) // Pass in receiver first |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2853 |
sig_bt[i++] = T_OBJECT; |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2854 |
SignatureStream ss(method->signature()); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2855 |
for (; !ss.at_return_type(); ss.next()) { |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2856 |
sig_bt[i++] = ss.type(); // Collect remaining bits of signature |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2857 |
if (ss.type() == T_LONG || ss.type() == T_DOUBLE) |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2858 |
sig_bt[i++] = T_VOID; // Longs & doubles take 2 Java slots |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2859 |
} |
13881
a326d528f3e1
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
13728
diff
changeset
|
2860 |
assert(i == total_args_passed, ""); |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2861 |
BasicType ret_type = ss.type(); |
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2862 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2863 |
// Now get the compiled-Java layout as input (or output) arguments. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2864 |
// NOTE: Stubs for compiled entry points of method handle intrinsics |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2865 |
// are just trampolines so the argument registers must be outgoing ones. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2866 |
const bool is_outgoing = method->is_method_handle_intrinsic(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
2867 |
int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, is_outgoing); |
2732
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2868 |
|
3ab85419f523
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
2534
diff
changeset
|
2869 |
// Generate the compiled-to-native wrapper code |
22247 | 2870 |
nm = SharedRuntime::generate_native_wrapper(&_masm, method, compile_id, sig_bt, regs, ret_type); |
2871 |
||
2872 |
if (nm != NULL) { |
|
2873 |
method->set_code(method, nm); |
|
33451
0712796e4039
8137167: JEP165: Compiler Control: Implementation task
neliasso
parents:
33198
diff
changeset
|
2874 |
|
0712796e4039
8137167: JEP165: Compiler Control: Implementation task
neliasso
parents:
33198
diff
changeset
|
2875 |
DirectiveSet* directive = DirectivesStack::getDefaultDirective(CompileBroker::compiler(CompLevel_simple)); |
0712796e4039
8137167: JEP165: Compiler Control: Implementation task
neliasso
parents:
33198
diff
changeset
|
2876 |
if (directive->PrintAssemblyOption) { |
35542
9dccb7f9f656
8071374: -XX:+PrintAssembly -XX:+PrintSignatureHandlers crash fastdebug VM with assert(limit == __null || limit <= nm->code_end()) in RelocIterator::initialize
vlivanov
parents:
35135
diff
changeset
|
2877 |
nm->print_code(); |
33451
0712796e4039
8137167: JEP165: Compiler Control: Implementation task
neliasso
parents:
33198
diff
changeset
|
2878 |
} |
0712796e4039
8137167: JEP165: Compiler Control: Implementation task
neliasso
parents:
33198
diff
changeset
|
2879 |
DirectivesStack::release(directive); |
22247 | 2880 |
} |
1 | 2881 |
} |
22247 | 2882 |
} // Unlock AdapterHandlerLibrary_lock |
2883 |
||
6270
d628c75fbf48
6976372: # assert(_owner == Thread::current()) failed: invariant
never
parents:
6176
diff
changeset
|
2884 |
|
1 | 2885 |
// Install the generated code. |
2886 |
if (nm != NULL) { |
|
46270 | 2887 |
const char *msg = method->is_static() ? "(static)" : ""; |
2888 |
CompileTask::print_ul(nm, msg); |
|
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8495
diff
changeset
|
2889 |
if (PrintCompilation) { |
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8495
diff
changeset
|
2890 |
ttyLocker ttyl; |
46270 | 2891 |
CompileTask::print(tty, nm, msg); |
8872
36680c58660e
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
8495
diff
changeset
|
2892 |
} |
1 | 2893 |
nm->post_compiled_method_load_event(); |
2894 |
} |
|
2895 |
} |
|
2896 |
||
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2897 |
JRT_ENTRY_NO_ASYNC(void, SharedRuntime::block_for_jni_critical(JavaThread* thread)) |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2898 |
assert(thread == JavaThread::current(), "must be"); |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2899 |
// The code is about to enter a JNI lazy critical native method and |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2900 |
// _needs_gc is true, so if this thread is already in a critical |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2901 |
// section then just return, otherwise this thread should block |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2902 |
// until needs_gc has been cleared. |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2903 |
if (thread->in_critical()) { |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2904 |
return; |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2905 |
} |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2906 |
// Lock and unlock a critical section to give the system a chance to block |
35492
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35071
diff
changeset
|
2907 |
GCLocker::lock_critical(thread); |
c8c0273e6b91
8146690: Make all classes in GC follow the naming convention.
david
parents:
35071
diff
changeset
|
2908 |
GCLocker::unlock_critical(thread); |
11637
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2909 |
JRT_END |
030466036615
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
11636
diff
changeset
|
2910 |
|
1 | 2911 |
// ------------------------------------------------------------------------- |
2912 |
// Java-Java calling convention |
|
2913 |
// (what you use when Java calls Java) |
|
2914 |
||
2915 |
//------------------------------name_for_receiver---------------------------------- |
|
2916 |
// For a given signature, return the VMReg for parameter 0. |
|
2917 |
VMReg SharedRuntime::name_for_receiver() { |
|
2918 |
VMRegPair regs; |
|
2919 |
BasicType sig_bt = T_OBJECT; |
|
2920 |
(void) java_calling_convention(&sig_bt, ®s, 1, true); |
|
2921 |
// Return argument 0 register. In the LP64 build pointers |
|
2922 |
// take 2 registers, but the VM wants only the 'main' name. |
|
2923 |
return regs.first(); |
|
2924 |
} |
|
2925 |
||
17872 | 2926 |
VMRegPair *SharedRuntime::find_callee_arguments(Symbol* sig, bool has_receiver, bool has_appendix, int* arg_size) { |
1 | 2927 |
// This method is returning a data structure allocating as a |
2928 |
// ResourceObject, so do not put any ResourceMarks in here. |
|
2929 |
char *s = sig->as_C_string(); |
|
2930 |
int len = (int)strlen(s); |
|
18073
f02460441ddc
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents:
17872
diff
changeset
|
2931 |
s++; len--; // Skip opening paren |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2932 |
|
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2933 |
BasicType *sig_bt = NEW_RESOURCE_ARRAY(BasicType, 256); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2934 |
VMRegPair *regs = NEW_RESOURCE_ARRAY(VMRegPair, 256); |
1 | 2935 |
int cnt = 0; |
4567
7fc02fbe5c7a
6893268: additional dynamic language related optimizations in C2
twisti
parents:
4564
diff
changeset
|
2936 |
if (has_receiver) { |
1 | 2937 |
sig_bt[cnt++] = T_OBJECT; // Receiver is argument 0; not in signature |
2938 |
} |
|
2939 |
||
41545 | 2940 |
while (*s != ')') { // Find closing right paren |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2941 |
switch (*s++) { // Switch on signature character |
1 | 2942 |
case 'B': sig_bt[cnt++] = T_BYTE; break; |
2943 |
case 'C': sig_bt[cnt++] = T_CHAR; break; |
|
2944 |
case 'D': sig_bt[cnt++] = T_DOUBLE; sig_bt[cnt++] = T_VOID; break; |
|
2945 |
case 'F': sig_bt[cnt++] = T_FLOAT; break; |
|
2946 |
case 'I': sig_bt[cnt++] = T_INT; break; |
|
2947 |
case 'J': sig_bt[cnt++] = T_LONG; sig_bt[cnt++] = T_VOID; break; |
|
2948 |
case 'S': sig_bt[cnt++] = T_SHORT; break; |
|
2949 |
case 'Z': sig_bt[cnt++] = T_BOOLEAN; break; |
|
2950 |
case 'V': sig_bt[cnt++] = T_VOID; break; |
|
2951 |
case 'L': // Oop |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2952 |
while (*s++ != ';'); // Skip signature |
1 | 2953 |
sig_bt[cnt++] = T_OBJECT; |
2954 |
break; |
|
2955 |
case '[': { // Array |
|
2956 |
do { // Skip optional size |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2957 |
while (*s >= '0' && *s <= '9') s++; |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2958 |
} while (*s++ == '['); // Nested arrays? |
1 | 2959 |
// Skip element type |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2960 |
if (s[-1] == 'L') |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2961 |
while (*s++ != ';'); // Skip signature |
1 | 2962 |
sig_bt[cnt++] = T_ARRAY; |
2963 |
break; |
|
2964 |
} |
|
2965 |
default : ShouldNotReachHere(); |
|
2966 |
} |
|
2967 |
} |
|
17872 | 2968 |
|
2969 |
if (has_appendix) { |
|
2970 |
sig_bt[cnt++] = T_OBJECT; |
|
2971 |
} |
|
2972 |
||
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2973 |
assert(cnt < 256, "grow table size"); |
1 | 2974 |
|
2975 |
int comp_args_on_stack; |
|
2976 |
comp_args_on_stack = java_calling_convention(sig_bt, regs, cnt, true); |
|
2977 |
||
2978 |
// the calling convention doesn't count out_preserve_stack_slots so |
|
2979 |
// we must add that in to get "true" stack offsets. |
|
2980 |
||
2981 |
if (comp_args_on_stack) { |
|
2982 |
for (int i = 0; i < cnt; i++) { |
|
2983 |
VMReg reg1 = regs[i].first(); |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2984 |
if (reg1->is_stack()) { |
1 | 2985 |
// Yuck |
2986 |
reg1 = reg1->bias(out_preserve_stack_slots()); |
|
2987 |
} |
|
2988 |
VMReg reg2 = regs[i].second(); |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
2989 |
if (reg2->is_stack()) { |
1 | 2990 |
// Yuck |
2991 |
reg2 = reg2->bias(out_preserve_stack_slots()); |
|
2992 |
} |
|
2993 |
regs[i].set_pair(reg2, reg1); |
|
2994 |
} |
|
2995 |
} |
|
2996 |
||
2997 |
// results |
|
2998 |
*arg_size = cnt; |
|
2999 |
return regs; |
|
3000 |
} |
|
3001 |
||
3002 |
// OSR Migration Code |
|
3003 |
// |
|
3004 |
// This code is used convert interpreter frames into compiled frames. It is |
|
3005 |
// called from very start of a compiled OSR nmethod. A temp array is |
|
3006 |
// allocated to hold the interesting bits of the interpreter frame. All |
|
3007 |
// active locks are inflated to allow them to move. The displaced headers and |
|
22551 | 3008 |
// active interpreter locals are copied into the temp buffer. Then we return |
1 | 3009 |
// back to the compiled code. The compiled code then pops the current |
3010 |
// interpreter frame off the stack and pushes a new compiled frame. Then it |
|
3011 |
// copies the interpreter locals and displaced headers where it wants. |
|
3012 |
// Finally it calls back to free the temp buffer. |
|
3013 |
// |
|
3014 |
// All of this is done NOT at any Safepoint, nor is any safepoint or GC allowed. |
|
3015 |
||
3016 |
JRT_LEAF(intptr_t*, SharedRuntime::OSR_migration_begin( JavaThread *thread) ) |
|
3017 |
||
3018 |
// |
|
3019 |
// This code is dependent on the memory layout of the interpreter local |
|
3020 |
// array and the monitors. On all of our platforms the layout is identical |
|
3021 |
// so this code is shared. If some platform lays the their arrays out |
|
3022 |
// differently then this code could move to platform specific code or |
|
3023 |
// the code here could be modified to copy items one at a time using |
|
3024 |
// frame accessor methods and be platform independent. |
|
3025 |
||
3026 |
frame fr = thread->last_frame(); |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
3027 |
assert(fr.is_interpreted_frame(), ""); |
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
3028 |
assert(fr.interpreter_frame_expression_stack_size()==0, "only handle empty stacks"); |
1 | 3029 |
|
3030 |
// Figure out how many monitors are active. |
|
3031 |
int active_monitor_count = 0; |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
3032 |
for (BasicObjectLock *kptr = fr.interpreter_frame_monitor_end(); |
1 | 3033 |
kptr < fr.interpreter_frame_monitor_begin(); |
3034 |
kptr = fr.next_monitor_in_interpreter_frame(kptr) ) { |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
3035 |
if (kptr->obj() != NULL) active_monitor_count++; |
1 | 3036 |
} |
3037 |
||
3038 |
// QQQ we could place number of active monitors in the array so that compiled code |
|
3039 |
// could double check it. |
|
3040 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
3041 |
Method* moop = fr.interpreter_frame_method(); |
1 | 3042 |
int max_locals = moop->max_locals(); |
3043 |
// Allocate temp buffer, 1 word per local & 2 per active monitor |
|
37251
9fc139ad74b5
8152358: code and comment cleanups found during the hunt for 8077392
dcubed
parents:
37250
diff
changeset
|
3044 |
int buf_size_words = max_locals + active_monitor_count * BasicObjectLock::size(); |
13195 | 3045 |
intptr_t *buf = NEW_C_HEAP_ARRAY(intptr_t,buf_size_words, mtCode); |
1 | 3046 |
|
3047 |
// Copy the locals. Order is preserved so that loading of longs works. |
|
3048 |
// Since there's no GC I can copy the oops blindly. |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
3049 |
assert(sizeof(HeapWord)==sizeof(intptr_t), "fix this code"); |
5419 | 3050 |
Copy::disjoint_words((HeapWord*)fr.interpreter_frame_local_at(max_locals-1), |
1 | 3051 |
(HeapWord*)&buf[0], |
3052 |
max_locals); |
|
3053 |
||
3054 |
// Inflate locks. Copy the displaced headers. Be careful, there can be holes. |
|
3055 |
int i = max_locals; |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
3056 |
for (BasicObjectLock *kptr2 = fr.interpreter_frame_monitor_end(); |
1 | 3057 |
kptr2 < fr.interpreter_frame_monitor_begin(); |
3058 |
kptr2 = fr.next_monitor_in_interpreter_frame(kptr2) ) { |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
3059 |
if (kptr2->obj() != NULL) { // Avoid 'holes' in the monitor array |
1 | 3060 |
BasicLock *lock = kptr2->lock(); |
3061 |
// Inflate so the displaced header becomes position-independent |
|
3062 |
if (lock->displaced_header()->is_unlocked()) |
|
3063 |
ObjectSynchronizer::inflate_helper(kptr2->obj()); |
|
3064 |
// Now the displaced header is free to move |
|
3065 |
buf[i++] = (intptr_t)lock->displaced_header(); |
|
20282
7f9cbdf89af2
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
19710
diff
changeset
|
3066 |
buf[i++] = cast_from_oop<intptr_t>(kptr2->obj()); |
1 | 3067 |
} |
3068 |
} |
|
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
3069 |
assert(i - max_locals == active_monitor_count*2, "found the expected number of monitors"); |
1 | 3070 |
|
3071 |
return buf; |
|
3072 |
JRT_END |
|
3073 |
||
3074 |
JRT_LEAF(void, SharedRuntime::OSR_migration_end( intptr_t* buf) ) |
|
27880
afb974a04396
8060074: os::free() takes MemoryTrackingLevel but doesn't need it
coleenp
parents:
27420
diff
changeset
|
3075 |
FREE_C_HEAP_ARRAY(intptr_t, buf); |
1 | 3076 |
JRT_END |
3077 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3078 |
bool AdapterHandlerLibrary::contains(const CodeBlob* b) { |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3079 |
AdapterHandlerTableIterator iter(_adapters); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3080 |
while (iter.has_next()) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3081 |
AdapterHandlerEntry* a = iter.next(); |
25064
244218e6ec0a
8046758: cleanup non-indent white space issues prior to Contended Locking cleanup bucket
dcubed
parents:
24462
diff
changeset
|
3082 |
if (b == CodeCache::find_blob(a->get_i2c_entry())) return true; |
1 | 3083 |
} |
3084 |
return false; |
|
3085 |
} |
|
3086 |
||
33160
c59f1676d27e
8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents:
32582
diff
changeset
|
3087 |
void AdapterHandlerLibrary::print_handler_on(outputStream* st, const CodeBlob* b) { |
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3088 |
AdapterHandlerTableIterator iter(_adapters); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3089 |
while (iter.has_next()) { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3090 |
AdapterHandlerEntry* a = iter.next(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
3091 |
if (b == CodeCache::find_blob(a->get_i2c_entry())) { |
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
3092 |
st->print("Adapter for signature: "); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
3093 |
a->print_adapter_on(tty); |
1 | 3094 |
return; |
3095 |
} |
|
3096 |
} |
|
3097 |
assert(false, "Should have found handler"); |
|
3098 |
} |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3099 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
3100 |
void AdapterHandlerEntry::print_adapter_on(outputStream* st) const { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
3101 |
st->print_cr("AHE@" INTPTR_FORMAT ": %s i2c: " INTPTR_FORMAT " c2i: " INTPTR_FORMAT " c2iUV: " INTPTR_FORMAT, |
33148
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
3102 |
p2i(this), fingerprint()->as_string(), |
68fa8b6c4340
8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents:
33105
diff
changeset
|
3103 |
p2i(get_i2c_entry()), p2i(get_c2i_entry()), p2i(get_c2i_unverified_entry())); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
3104 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
3105 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13195
diff
changeset
|
3106 |
|
37439
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3107 |
#if INCLUDE_CDS |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3108 |
|
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3109 |
void CDSAdapterHandlerEntry::init() { |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3110 |
assert(DumpSharedSpaces, "used during dump time only"); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3111 |
_c2i_entry_trampoline = (address)MetaspaceShared::misc_data_space_alloc(SharedRuntime::trampoline_size()); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3112 |
_adapter_trampoline = (AdapterHandlerEntry**)MetaspaceShared::misc_data_space_alloc(sizeof(AdapterHandlerEntry*)); |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3113 |
}; |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3114 |
|
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3115 |
#endif // INCLUDE_CDS |
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3116 |
|
e8970711113b
8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive
ccheung
parents:
37251
diff
changeset
|
3117 |
|
6176
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
3118 |
#ifndef PRODUCT |
4d9030fe341f
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
5924
diff
changeset
|
3119 |
|
4735
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3120 |
void AdapterHandlerLibrary::print_statistics() { |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3121 |
_adapters->print_statistics(); |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3122 |
} |
3d4e4ec0df67
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
4571
diff
changeset
|
3123 |
|
1 | 3124 |
#endif /* PRODUCT */ |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3125 |
|
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3126 |
JRT_LEAF(void, SharedRuntime::enable_stack_reserved_zone(JavaThread* thread)) |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3127 |
assert(thread->is_Java_thread(), "Only Java threads have a stack reserved zone"); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3128 |
thread->enable_stack_reserved_zone(); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3129 |
thread->set_reserved_stack_activation(thread->stack_base()); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3130 |
JRT_END |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3131 |
|
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3132 |
frame SharedRuntime::look_for_reserved_stack_annotated_method(JavaThread* thread, frame fr) { |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3133 |
frame activation; |
38716
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3134 |
CompiledMethod* nm = NULL; |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3135 |
int count = 1; |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3136 |
|
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3137 |
assert(fr.is_java_frame(), "Must start on Java frame"); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3138 |
|
38716
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3139 |
while (true) { |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3140 |
Method* method = NULL; |
38716
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3141 |
if (fr.is_interpreted_frame()) { |
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3142 |
method = fr.interpreter_frame_method(); |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3143 |
} else { |
38716
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3144 |
CodeBlob* cb = fr.cb(); |
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3145 |
if (cb != NULL && cb->is_compiled()) { |
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3146 |
nm = cb->as_compiled_method(); |
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3147 |
method = nm->method(); |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3148 |
} |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3149 |
} |
38716
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3150 |
if ((method != NULL) && method->has_reserved_stack_access()) { |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3151 |
ResourceMark rm(thread); |
38716
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3152 |
activation = fr; |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3153 |
warning("Potentially dangerous stack overflow in " |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3154 |
"ReservedStackAccess annotated method %s [%d]", |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3155 |
method->name_and_sig_as_C_string(), count++); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3156 |
EventReservedStackActivation event; |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3157 |
if (event.should_commit()) { |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3158 |
event.set_method(method); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3159 |
event.commit(); |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3160 |
} |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3161 |
} |
38716
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3162 |
if (fr.is_first_java_frame()) { |
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3163 |
break; |
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3164 |
} else { |
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3165 |
fr = fr.java_sender(); |
640c37e201b9
8153352: Crash with assert(pd != 0L) failed: PcDesc must not be NULL
neliasso
parents:
38259
diff
changeset
|
3166 |
} |
35071
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3167 |
} |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3168 |
return activation; |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3169 |
} |
a0910b1d3e0d
8046936: JEP 270: Reserved Stack Areas for Critical Sections
fparain
parents:
35055
diff
changeset
|
3170 |