author | hseigel |
Mon, 16 Dec 2013 08:24:33 -0500 | |
changeset 22232 | 26acfad336c0 |
parent 21198 | dd647e8d1d72 |
child 24424 | 2658d7834c6e |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2013, 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 "asm/macroAssembler.hpp" |
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#include "asm/macroAssembler.inline.hpp" |
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#include "compiler/disassembler.hpp" |
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#include "interpreter/bytecodeHistogram.hpp" |
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#include "interpreter/bytecodeInterpreter.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/interpreterRuntime.hpp" |
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#include "interpreter/templateTable.hpp" |
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#include "memory/allocation.inline.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "oops/arrayOop.hpp" |
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#include "oops/methodData.hpp" |
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#include "oops/method.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 "runtime/handles.inline.hpp" |
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#include "runtime/sharedRuntime.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "runtime/timer.hpp" |
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# define __ _masm-> |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Implementation of InterpreterCodelet |
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void InterpreterCodelet::initialize(const char* description, Bytecodes::Code bytecode) { |
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_description = description; |
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_bytecode = bytecode; |
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} |
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void InterpreterCodelet::verify() { |
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} |
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void InterpreterCodelet::print_on(outputStream* st) const { |
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ttyLocker ttyl; |
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if (PrintInterpreter) { |
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st->cr(); |
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st->print_cr("----------------------------------------------------------------------"); |
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} |
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if (description() != NULL) st->print("%s ", description()); |
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if (bytecode() >= 0 ) st->print("%d %s ", bytecode(), Bytecodes::name(bytecode())); |
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st->print_cr("[" INTPTR_FORMAT ", " INTPTR_FORMAT "] %d bytes", |
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code_begin(), code_end(), code_size()); |
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if (PrintInterpreter) { |
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st->cr(); |
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Disassembler::decode(code_begin(), code_end(), st, DEBUG_ONLY(_strings) NOT_DEBUG(CodeStrings())); |
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} |
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} |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Implementation of platform independent aspects of Interpreter |
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void AbstractInterpreter::initialize() { |
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if (_code != NULL) return; |
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// make sure 'imported' classes are initialized |
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if (CountBytecodes || TraceBytecodes || StopInterpreterAt) BytecodeCounter::reset(); |
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if (PrintBytecodeHistogram) BytecodeHistogram::reset(); |
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if (PrintBytecodePairHistogram) BytecodePairHistogram::reset(); |
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InvocationCounter::reinitialize(DelayCompilationDuringStartup); |
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} |
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void AbstractInterpreter::print() { |
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tty->cr(); |
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tty->print_cr("----------------------------------------------------------------------"); |
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tty->print_cr("Interpreter"); |
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tty->cr(); |
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tty->print_cr("code size = %6dK bytes", (int)_code->used_space()/1024); |
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tty->print_cr("total space = %6dK bytes", (int)_code->total_space()/1024); |
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tty->print_cr("wasted space = %6dK bytes", (int)_code->available_space()/1024); |
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tty->cr(); |
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tty->print_cr("# of codelets = %6d" , _code->number_of_stubs()); |
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tty->print_cr("avg codelet size = %6d bytes", _code->used_space() / _code->number_of_stubs()); |
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tty->cr(); |
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_code->print(); |
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tty->print_cr("----------------------------------------------------------------------"); |
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tty->cr(); |
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} |
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void interpreter_init() { |
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Interpreter::initialize(); |
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#ifndef PRODUCT |
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if (TraceBytecodes) BytecodeTracer::set_closure(BytecodeTracer::std_closure()); |
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#endif // PRODUCT |
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// need to hit every safepoint in order to call zapping routine |
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// register the interpreter |
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Forte::register_stub( |
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"Interpreter", |
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AbstractInterpreter::code()->code_start(), |
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AbstractInterpreter::code()->code_end() |
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); |
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// notify JVMTI profiler |
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if (JvmtiExport::should_post_dynamic_code_generated()) { |
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JvmtiExport::post_dynamic_code_generated("Interpreter", |
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AbstractInterpreter::code()->code_start(), |
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AbstractInterpreter::code()->code_end()); |
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} |
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} |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Implementation of interpreter |
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StubQueue* AbstractInterpreter::_code = NULL; |
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bool AbstractInterpreter::_notice_safepoints = false; |
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address AbstractInterpreter::_rethrow_exception_entry = NULL; |
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address AbstractInterpreter::_native_entry_begin = NULL; |
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address AbstractInterpreter::_native_entry_end = NULL; |
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address AbstractInterpreter::_slow_signature_handler; |
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address AbstractInterpreter::_entry_table [AbstractInterpreter::number_of_method_entries]; |
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address AbstractInterpreter::_native_abi_to_tosca [AbstractInterpreter::number_of_result_handlers]; |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Generation of complete interpreter |
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AbstractInterpreterGenerator::AbstractInterpreterGenerator(StubQueue* _code) { |
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_masm = NULL; |
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} |
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static const BasicType types[Interpreter::number_of_result_handlers] = { |
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T_BOOLEAN, |
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T_CHAR , |
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T_BYTE , |
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T_SHORT , |
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T_INT , |
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T_LONG , |
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T_VOID , |
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T_FLOAT , |
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T_DOUBLE , |
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T_OBJECT |
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}; |
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void AbstractInterpreterGenerator::generate_all() { |
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{ CodeletMark cm(_masm, "slow signature handler"); |
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Interpreter::_slow_signature_handler = generate_slow_signature_handler(); |
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} |
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} |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Entry points |
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AbstractInterpreter::MethodKind AbstractInterpreter::method_kind(methodHandle m) { |
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// Abstract method? |
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if (m->is_abstract()) return abstract; |
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// Method handle primitive? |
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if (m->is_method_handle_intrinsic()) { |
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vmIntrinsics::ID id = m->intrinsic_id(); |
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assert(MethodHandles::is_signature_polymorphic(id), "must match an intrinsic"); |
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MethodKind kind = (MethodKind)( method_handle_invoke_FIRST + |
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((int)id - vmIntrinsics::FIRST_MH_SIG_POLY) ); |
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assert(kind <= method_handle_invoke_LAST, "parallel enum ranges"); |
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return kind; |
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} |
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#ifndef CC_INTERP |
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if (UseCRC32Intrinsics && m->is_native()) { |
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// Use optimized stub code for CRC32 native methods. |
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switch (m->intrinsic_id()) { |
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case vmIntrinsics::_updateCRC32 : return java_util_zip_CRC32_update; |
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case vmIntrinsics::_updateBytesCRC32 : return java_util_zip_CRC32_updateBytes; |
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case vmIntrinsics::_updateByteBufferCRC32 : return java_util_zip_CRC32_updateByteBuffer; |
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} |
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} |
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#endif |
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// Native method? |
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// Note: This test must come _before_ the test for intrinsic |
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// methods. See also comments below. |
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if (m->is_native()) { |
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assert(!m->is_method_handle_intrinsic(), "overlapping bits here, watch out"); |
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return m->is_synchronized() ? native_synchronized : native; |
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} |
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// Synchronized? |
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if (m->is_synchronized()) { |
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return zerolocals_synchronized; |
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} |
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if (RegisterFinalizersAtInit && m->code_size() == 1 && |
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m->intrinsic_id() == vmIntrinsics::_Object_init) { |
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// We need to execute the special return bytecode to check for |
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// finalizer registration so create a normal frame. |
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return zerolocals; |
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} |
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// Empty method? |
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if (m->is_empty_method()) { |
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return empty; |
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} |
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// Special intrinsic method? |
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// Note: This test must come _after_ the test for native methods, |
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// otherwise we will run into problems with JDK 1.2, see also |
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// AbstractInterpreterGenerator::generate_method_entry() for |
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// for details. |
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switch (m->intrinsic_id()) { |
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case vmIntrinsics::_dsin : return java_lang_math_sin ; |
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case vmIntrinsics::_dcos : return java_lang_math_cos ; |
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case vmIntrinsics::_dtan : return java_lang_math_tan ; |
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case vmIntrinsics::_dabs : return java_lang_math_abs ; |
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case vmIntrinsics::_dsqrt : return java_lang_math_sqrt ; |
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case vmIntrinsics::_dlog : return java_lang_math_log ; |
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case vmIntrinsics::_dlog10: return java_lang_math_log10; |
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case vmIntrinsics::_dpow : return java_lang_math_pow ; |
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case vmIntrinsics::_dexp : return java_lang_math_exp ; |
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case vmIntrinsics::_Reference_get: |
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return java_lang_ref_reference_get; |
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} |
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// Accessor method? |
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if (m->is_accessor()) { |
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assert(m->size_of_parameters() == 1, "fast code for accessors assumes parameter size = 1"); |
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return accessor; |
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} |
259 |
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// Note: for now: zero locals for all non-empty methods |
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return zerolocals; |
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} |
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void AbstractInterpreter::set_entry_for_kind(AbstractInterpreter::MethodKind kind, address entry) { |
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assert(kind >= method_handle_invoke_FIRST && |
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kind <= method_handle_invoke_LAST, "late initialization only for MH entry points"); |
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assert(_entry_table[kind] == _entry_table[abstract], "previous value must be AME entry"); |
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_entry_table[kind] = entry; |
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} |
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// Return true if the interpreter can prove that the given bytecode has |
274 |
// not yet been executed (in Java semantics, not in actual operation). |
|
275 |
bool AbstractInterpreter::is_not_reached(methodHandle method, int bci) { |
|
7913 | 276 |
Bytecodes::Code code = method()->code_at(bci); |
1 | 277 |
|
7913 | 278 |
if (!Bytecodes::must_rewrite(code)) { |
1 | 279 |
// might have been reached |
280 |
return false; |
|
281 |
} |
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282 |
||
283 |
// the bytecode might not be rewritten if the method is an accessor, etc. |
|
284 |
address ientry = method->interpreter_entry(); |
|
285 |
if (ientry != entry_for_kind(AbstractInterpreter::zerolocals) && |
|
286 |
ientry != entry_for_kind(AbstractInterpreter::zerolocals_synchronized)) |
|
287 |
return false; // interpreter does not run this method! |
|
288 |
||
289 |
// otherwise, we can be sure this bytecode has never been executed |
|
290 |
return true; |
|
291 |
} |
|
292 |
||
293 |
||
294 |
#ifndef PRODUCT |
|
295 |
void AbstractInterpreter::print_method_kind(MethodKind kind) { |
|
296 |
switch (kind) { |
|
297 |
case zerolocals : tty->print("zerolocals" ); break; |
|
298 |
case zerolocals_synchronized: tty->print("zerolocals_synchronized"); break; |
|
299 |
case native : tty->print("native" ); break; |
|
300 |
case native_synchronized : tty->print("native_synchronized" ); break; |
|
301 |
case empty : tty->print("empty" ); break; |
|
302 |
case accessor : tty->print("accessor" ); break; |
|
303 |
case abstract : tty->print("abstract" ); break; |
|
304 |
case java_lang_math_sin : tty->print("java_lang_math_sin" ); break; |
|
305 |
case java_lang_math_cos : tty->print("java_lang_math_cos" ); break; |
|
306 |
case java_lang_math_tan : tty->print("java_lang_math_tan" ); break; |
|
307 |
case java_lang_math_abs : tty->print("java_lang_math_abs" ); break; |
|
308 |
case java_lang_math_sqrt : tty->print("java_lang_math_sqrt" ); break; |
|
309 |
case java_lang_math_log : tty->print("java_lang_math_log" ); break; |
|
310 |
case java_lang_math_log10 : tty->print("java_lang_math_log10" ); break; |
|
18507
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changeset
|
311 |
case java_util_zip_CRC32_update : tty->print("java_util_zip_CRC32_update"); break; |
61bfc8995bb3
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changeset
|
312 |
case java_util_zip_CRC32_updateBytes : tty->print("java_util_zip_CRC32_updateBytes"); break; |
61bfc8995bb3
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parents:
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changeset
|
313 |
case java_util_zip_CRC32_updateByteBuffer : tty->print("java_util_zip_CRC32_updateByteBuffer"); break; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
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diff
changeset
|
314 |
default: |
30245956af37
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parents:
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diff
changeset
|
315 |
if (kind >= method_handle_invoke_FIRST && |
30245956af37
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twisti
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diff
changeset
|
316 |
kind <= method_handle_invoke_LAST) { |
30245956af37
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diff
changeset
|
317 |
const char* kind_name = vmIntrinsics::name_at(method_handle_intrinsic(kind)); |
30245956af37
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twisti
parents:
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diff
changeset
|
318 |
if (kind_name[0] == '_') kind_name = &kind_name[1]; // '_invokeExact' => 'invokeExact' |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
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diff
changeset
|
319 |
tty->print("method_handle_%s", kind_name); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12739
diff
changeset
|
320 |
break; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12739
diff
changeset
|
321 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12739
diff
changeset
|
322 |
ShouldNotReachHere(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12739
diff
changeset
|
323 |
break; |
1 | 324 |
} |
325 |
} |
|
326 |
#endif // PRODUCT |
|
327 |
||
328 |
||
329 |
//------------------------------------------------------------------------------------------------------------------------ |
|
330 |
// Deoptimization support |
|
331 |
||
21198
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
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diff
changeset
|
332 |
/** |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
333 |
* If a deoptimization happens, this function returns the point of next bytecode to continue execution. |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
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diff
changeset
|
334 |
*/ |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
335 |
address AbstractInterpreter::deopt_continue_after_entry(Method* method, address bcp, int callee_parameters, bool is_top_frame) { |
1 | 336 |
assert(method->contains(bcp), "just checkin'"); |
21198
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
337 |
|
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
338 |
// Get the original and rewritten bytecode. |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
339 |
Bytecodes::Code code = Bytecodes::java_code_at(method, bcp); |
3600
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
340 |
assert(!Interpreter::bytecode_should_reexecute(code), "should not reexecute"); |
21198
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
341 |
|
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
342 |
const int bci = method->bci_from(bcp); |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
343 |
|
1 | 344 |
// compute continuation length |
21198
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
345 |
const int length = Bytecodes::length_at(method, bcp); |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
346 |
|
1 | 347 |
// compute result type |
348 |
BasicType type = T_ILLEGAL; |
|
3600
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
349 |
|
1 | 350 |
switch (code) { |
351 |
case Bytecodes::_invokevirtual : |
|
352 |
case Bytecodes::_invokespecial : |
|
353 |
case Bytecodes::_invokestatic : |
|
354 |
case Bytecodes::_invokeinterface: { |
|
355 |
Thread *thread = Thread::current(); |
|
356 |
ResourceMark rm(thread); |
|
357 |
methodHandle mh(thread, method); |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
358 |
type = Bytecode_invoke(mh, bci).result_type(); |
1 | 359 |
// since the cache entry might not be initialized: |
360 |
// (NOT needed for the old calling convension) |
|
361 |
if (!is_top_frame) { |
|
362 |
int index = Bytes::get_native_u2(bcp+1); |
|
363 |
method->constants()->cache()->entry_at(index)->set_parameter_size(callee_parameters); |
|
364 |
} |
|
365 |
break; |
|
366 |
} |
|
367 |
||
4429
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
368 |
case Bytecodes::_invokedynamic: { |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
369 |
Thread *thread = Thread::current(); |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
370 |
ResourceMark rm(thread); |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
371 |
methodHandle mh(thread, method); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7913
diff
changeset
|
372 |
type = Bytecode_invoke(mh, bci).result_type(); |
4429
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
373 |
// since the cache entry might not be initialized: |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
374 |
// (NOT needed for the old calling convension) |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
375 |
if (!is_top_frame) { |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
376 |
int index = Bytes::get_native_u4(bcp+1); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
377 |
method->constants()->invokedynamic_cp_cache_entry_at(index)->set_parameter_size(callee_parameters); |
4429
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
378 |
} |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
379 |
break; |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
380 |
} |
d7eb4e2099aa
6858164: invokedynamic code needs some cleanup (post-6655638)
jrose
parents:
3600
diff
changeset
|
381 |
|
1 | 382 |
case Bytecodes::_ldc : |
383 |
case Bytecodes::_ldc_w : // fall through |
|
384 |
case Bytecodes::_ldc2_w: |
|
5882 | 385 |
{ |
386 |
Thread *thread = Thread::current(); |
|
387 |
ResourceMark rm(thread); |
|
388 |
methodHandle mh(thread, method); |
|
7913 | 389 |
type = Bytecode_loadconstant(mh, bci).result_type(); |
5882 | 390 |
break; |
391 |
} |
|
1 | 392 |
|
393 |
default: |
|
394 |
type = Bytecodes::result_type(code); |
|
395 |
break; |
|
396 |
} |
|
397 |
||
398 |
// return entry point for computed continuation state & bytecode length |
|
399 |
return |
|
400 |
is_top_frame |
|
401 |
? Interpreter::deopt_entry (as_TosState(type), length) |
|
21198
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
18507
diff
changeset
|
402 |
: Interpreter::return_entry(as_TosState(type), length, code); |
1 | 403 |
} |
404 |
||
3600
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
405 |
// If deoptimization happens, this function returns the point where the interpreter reexecutes |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
406 |
// the bytecode. |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
407 |
// Note: Bytecodes::_athrow is a special case in that it does not return |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
408 |
// Interpreter::deopt_entry(vtos, 0) like others |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
409 |
address AbstractInterpreter::deopt_reexecute_entry(Method* method, address bcp) { |
3600
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
410 |
assert(method->contains(bcp), "just checkin'"); |
7913 | 411 |
Bytecodes::Code code = Bytecodes::java_code_at(method, bcp); |
3600
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
412 |
#ifdef COMPILER1 |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
413 |
if(code == Bytecodes::_athrow ) { |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
414 |
return Interpreter::rethrow_exception_entry(); |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
415 |
} |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
416 |
#endif /* COMPILER1 */ |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
417 |
return Interpreter::deopt_entry(vtos, 0); |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
418 |
} |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
419 |
|
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
420 |
// If deoptimization happens, the interpreter should reexecute these bytecodes. |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
421 |
// This function mainly helps the compilers to set up the reexecute bit. |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
422 |
bool AbstractInterpreter::bytecode_should_reexecute(Bytecodes::Code code) { |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
423 |
switch (code) { |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
424 |
case Bytecodes::_lookupswitch: |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
425 |
case Bytecodes::_tableswitch: |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
426 |
case Bytecodes::_fast_binaryswitch: |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
427 |
case Bytecodes::_fast_linearswitch: |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
428 |
// recompute condtional expression folded into _if<cond> |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
429 |
case Bytecodes::_lcmp : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
430 |
case Bytecodes::_fcmpl : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
431 |
case Bytecodes::_fcmpg : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
432 |
case Bytecodes::_dcmpl : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
433 |
case Bytecodes::_dcmpg : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
434 |
case Bytecodes::_ifnull : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
435 |
case Bytecodes::_ifnonnull : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
436 |
case Bytecodes::_goto : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
437 |
case Bytecodes::_goto_w : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
438 |
case Bytecodes::_ifeq : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
439 |
case Bytecodes::_ifne : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
440 |
case Bytecodes::_iflt : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
441 |
case Bytecodes::_ifge : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
442 |
case Bytecodes::_ifgt : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
443 |
case Bytecodes::_ifle : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
444 |
case Bytecodes::_if_icmpeq : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
445 |
case Bytecodes::_if_icmpne : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
446 |
case Bytecodes::_if_icmplt : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
447 |
case Bytecodes::_if_icmpge : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
448 |
case Bytecodes::_if_icmpgt : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
449 |
case Bytecodes::_if_icmple : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
450 |
case Bytecodes::_if_acmpeq : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
451 |
case Bytecodes::_if_acmpne : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
452 |
// special cases |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
2534
diff
changeset
|
453 |
case Bytecodes::_getfield : |
27aa4477d039
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
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case Bytecodes::_putfield : |
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case Bytecodes::_getstatic : |
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case Bytecodes::_putstatic : |
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case Bytecodes::_aastore : |
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#ifdef COMPILER1 |
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//special case of reexecution |
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case Bytecodes::_athrow : |
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#endif |
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return true; |
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|
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default: |
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return false; |
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} |
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} |
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1 | 469 |
void AbstractInterpreterGenerator::bang_stack_shadow_pages(bool native_call) { |
470 |
// Quick & dirty stack overflow checking: bang the stack & handle trap. |
|
471 |
// Note that we do the banging after the frame is setup, since the exception |
|
472 |
// handling code expects to find a valid interpreter frame on the stack. |
|
473 |
// Doing the banging earlier fails if the caller frame is not an interpreter |
|
474 |
// frame. |
|
475 |
// (Also, the exception throwing code expects to unlock any synchronized |
|
476 |
// method receiever, so do the banging after locking the receiver.) |
|
477 |
||
478 |
// Bang each page in the shadow zone. We can't assume it's been done for |
|
479 |
// an interpreter frame with greater than a page of locals, so each page |
|
480 |
// needs to be checked. Only true for non-native. |
|
481 |
if (UseStackBanging) { |
|
482 |
const int start_page = native_call ? StackShadowPages : 1; |
|
483 |
const int page_size = os::vm_page_size(); |
|
484 |
for (int pages = start_page; pages <= StackShadowPages ; pages++) { |
|
485 |
__ bang_stack_with_offset(pages*page_size); |
|
486 |
} |
|
487 |
} |
|
488 |
} |
|
14294 | 489 |
|
490 |
void AbstractInterpreterGenerator::initialize_method_handle_entries() { |
|
491 |
// method handle entry kinds are generated later in MethodHandlesAdapterGenerator::generate: |
|
492 |
for (int i = Interpreter::method_handle_invoke_FIRST; i <= Interpreter::method_handle_invoke_LAST; i++) { |
|
493 |
Interpreter::MethodKind kind = (Interpreter::MethodKind) i; |
|
494 |
Interpreter::_entry_table[kind] = Interpreter::_entry_table[Interpreter::abstract]; |
|
495 |
} |
|
496 |
} |