truffle: src/share/vm/interpreter/interpreter.cpp annotate

annotate src/share/vm/interpreter/interpreter.cpp @ 11080:b800986664f4

7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 Summary: add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test Reviewed-by: kvn, twisti

author	drchase
date	Tue, 02 Jul 2013 20:42:12 -0400
parents	a5de0cc2f91c
children	6b0fd0964b87 bd3237e0e18d

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
11080 b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1135 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1135 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1135 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	25 #include "precompiled.hpp"
7199 cd3d6a6b95d9 8003240: x86: move MacroAssembler into separate file twisti parents: 6926 diff changeset	26 #include "asm/macroAssembler.hpp"
cd3d6a6b95d9 8003240: x86: move MacroAssembler into separate file twisti parents: 6926 diff changeset	27 #include "asm/macroAssembler.inline.hpp"
cd3d6a6b95d9 8003240: x86: move MacroAssembler into separate file twisti parents: 6926 diff changeset	28 #include "compiler/disassembler.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	29 #include "interpreter/bytecodeHistogram.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	30 #include "interpreter/bytecodeInterpreter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	31 #include "interpreter/interpreter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	32 #include "interpreter/interpreterRuntime.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	33 #include "interpreter/templateTable.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	34 #include "memory/allocation.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	35 #include "memory/resourceArea.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	36 #include "oops/arrayOop.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	37 #include "oops/methodData.hpp"
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	38 #include "oops/method.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	39 #include "oops/oop.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	40 #include "prims/forte.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	41 #include "prims/jvmtiExport.hpp"
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	42 #include "prims/methodHandles.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	43 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	44 #include "runtime/sharedRuntime.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	45 #include "runtime/stubRoutines.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	46 #include "runtime/timer.hpp"
0 a61af66fc99e Initial load duke parents: diff changeset	47
a61af66fc99e Initial load duke parents: diff changeset	48 # define __ _masm->
a61af66fc99e Initial load duke parents: diff changeset	49
a61af66fc99e Initial load duke parents: diff changeset	50
a61af66fc99e Initial load duke parents: diff changeset	51 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load duke parents: diff changeset	52 // Implementation of InterpreterCodelet
a61af66fc99e Initial load duke parents: diff changeset	53
a61af66fc99e Initial load duke parents: diff changeset	54 void InterpreterCodelet::initialize(const char* description, Bytecodes::Code bytecode) {
a61af66fc99e Initial load duke parents: diff changeset	55 _description = description;
a61af66fc99e Initial load duke parents: diff changeset	56 _bytecode = bytecode;
a61af66fc99e Initial load duke parents: diff changeset	57 }
a61af66fc99e Initial load duke parents: diff changeset	58
a61af66fc99e Initial load duke parents: diff changeset	59
a61af66fc99e Initial load duke parents: diff changeset	60 void InterpreterCodelet::verify() {
a61af66fc99e Initial load duke parents: diff changeset	61 }
a61af66fc99e Initial load duke parents: diff changeset	62
a61af66fc99e Initial load duke parents: diff changeset	63
1681 126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1644 diff changeset	64 void InterpreterCodelet::print_on(outputStream* st) const {
6796 b31471cdc53e 7200163: add CodeComments functionality to assember stubs kvn parents: 6725 diff changeset	65 ttyLocker ttyl;
b31471cdc53e 7200163: add CodeComments functionality to assember stubs kvn parents: 6725 diff changeset	66
0 a61af66fc99e Initial load duke parents: diff changeset	67 if (PrintInterpreter) {
1681 126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1644 diff changeset	68 st->cr();
126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1644 diff changeset	69 st->print_cr("----------------------------------------------------------------------");
0 a61af66fc99e Initial load duke parents: diff changeset	70 }
a61af66fc99e Initial load duke parents: diff changeset	71
1681 126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1644 diff changeset	72 if (description() != NULL) st->print("%s ", description());
126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1644 diff changeset	73 if (bytecode() >= 0 ) st->print("%d %s ", bytecode(), Bytecodes::name(bytecode()));
126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1644 diff changeset	74 st->print_cr("[" INTPTR_FORMAT ", " INTPTR_FORMAT "] %d bytes",
0 a61af66fc99e Initial load duke parents: diff changeset	75 code_begin(), code_end(), code_size());
a61af66fc99e Initial load duke parents: diff changeset	76
a61af66fc99e Initial load duke parents: diff changeset	77 if (PrintInterpreter) {
1681 126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1644 diff changeset	78 st->cr();
8767 a5de0cc2f91c 8008555: Debugging code in compiled method sometimes leaks memory roland parents: 7199 diff changeset	79 Disassembler::decode(code_begin(), code_end(), st, DEBUG_ONLY(_strings) NOT_DEBUG(CodeStrings()));
0 a61af66fc99e Initial load duke parents: diff changeset	80 }
a61af66fc99e Initial load duke parents: diff changeset	81 }
a61af66fc99e Initial load duke parents: diff changeset	82
a61af66fc99e Initial load duke parents: diff changeset	83
a61af66fc99e Initial load duke parents: diff changeset	84 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load duke parents: diff changeset	85 // Implementation of platform independent aspects of Interpreter
a61af66fc99e Initial load duke parents: diff changeset	86
a61af66fc99e Initial load duke parents: diff changeset	87 void AbstractInterpreter::initialize() {
a61af66fc99e Initial load duke parents: diff changeset	88 if (_code != NULL) return;
a61af66fc99e Initial load duke parents: diff changeset	89
a61af66fc99e Initial load duke parents: diff changeset	90 // make sure 'imported' classes are initialized
a61af66fc99e Initial load duke parents: diff changeset	91 if (CountBytecodes \|\| TraceBytecodes \|\| StopInterpreterAt) BytecodeCounter::reset();
a61af66fc99e Initial load duke parents: diff changeset	92 if (PrintBytecodeHistogram) BytecodeHistogram::reset();
a61af66fc99e Initial load duke parents: diff changeset	93 if (PrintBytecodePairHistogram) BytecodePairHistogram::reset();
a61af66fc99e Initial load duke parents: diff changeset	94
a61af66fc99e Initial load duke parents: diff changeset	95 InvocationCounter::reinitialize(DelayCompilationDuringStartup);
a61af66fc99e Initial load duke parents: diff changeset	96
a61af66fc99e Initial load duke parents: diff changeset	97 }
a61af66fc99e Initial load duke parents: diff changeset	98
a61af66fc99e Initial load duke parents: diff changeset	99 void AbstractInterpreter::print() {
a61af66fc99e Initial load duke parents: diff changeset	100 tty->cr();
a61af66fc99e Initial load duke parents: diff changeset	101 tty->print_cr("----------------------------------------------------------------------");
a61af66fc99e Initial load duke parents: diff changeset	102 tty->print_cr("Interpreter");
a61af66fc99e Initial load duke parents: diff changeset	103 tty->cr();
a61af66fc99e Initial load duke parents: diff changeset	104 tty->print_cr("code size = %6dK bytes", (int)_code->used_space()/1024);
a61af66fc99e Initial load duke parents: diff changeset	105 tty->print_cr("total space = %6dK bytes", (int)_code->total_space()/1024);
a61af66fc99e Initial load duke parents: diff changeset	106 tty->print_cr("wasted space = %6dK bytes", (int)_code->available_space()/1024);
a61af66fc99e Initial load duke parents: diff changeset	107 tty->cr();
a61af66fc99e Initial load duke parents: diff changeset	108 tty->print_cr("# of codelets = %6d" , _code->number_of_stubs());
a61af66fc99e Initial load duke parents: diff changeset	109 tty->print_cr("avg codelet size = %6d bytes", _code->used_space() / _code->number_of_stubs());
a61af66fc99e Initial load duke parents: diff changeset	110 tty->cr();
a61af66fc99e Initial load duke parents: diff changeset	111 _code->print();
a61af66fc99e Initial load duke parents: diff changeset	112 tty->print_cr("----------------------------------------------------------------------");
a61af66fc99e Initial load duke parents: diff changeset	113 tty->cr();
a61af66fc99e Initial load duke parents: diff changeset	114 }
a61af66fc99e Initial load duke parents: diff changeset	115
a61af66fc99e Initial load duke parents: diff changeset	116
a61af66fc99e Initial load duke parents: diff changeset	117 void interpreter_init() {
a61af66fc99e Initial load duke parents: diff changeset	118 Interpreter::initialize();
a61af66fc99e Initial load duke parents: diff changeset	119 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	120 if (TraceBytecodes) BytecodeTracer::set_closure(BytecodeTracer::std_closure());
a61af66fc99e Initial load duke parents: diff changeset	121 #endif // PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	122 // need to hit every safepoint in order to call zapping routine
a61af66fc99e Initial load duke parents: diff changeset	123 // register the interpreter
a61af66fc99e Initial load duke parents: diff changeset	124 Forte::register_stub(
a61af66fc99e Initial load duke parents: diff changeset	125 "Interpreter",
a61af66fc99e Initial load duke parents: diff changeset	126 AbstractInterpreter::code()->code_start(),
a61af66fc99e Initial load duke parents: diff changeset	127 AbstractInterpreter::code()->code_end()
a61af66fc99e Initial load duke parents: diff changeset	128 );
a61af66fc99e Initial load duke parents: diff changeset	129
a61af66fc99e Initial load duke parents: diff changeset	130 // notify JVMTI profiler
a61af66fc99e Initial load duke parents: diff changeset	131 if (JvmtiExport::should_post_dynamic_code_generated()) {
a61af66fc99e Initial load duke parents: diff changeset	132 JvmtiExport::post_dynamic_code_generated("Interpreter",
a61af66fc99e Initial load duke parents: diff changeset	133 AbstractInterpreter::code()->code_start(),
a61af66fc99e Initial load duke parents: diff changeset	134 AbstractInterpreter::code()->code_end());
a61af66fc99e Initial load duke parents: diff changeset	135 }
a61af66fc99e Initial load duke parents: diff changeset	136 }
a61af66fc99e Initial load duke parents: diff changeset	137
a61af66fc99e Initial load duke parents: diff changeset	138 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load duke parents: diff changeset	139 // Implementation of interpreter
a61af66fc99e Initial load duke parents: diff changeset	140
a61af66fc99e Initial load duke parents: diff changeset	141 StubQueue* AbstractInterpreter::_code = NULL;
a61af66fc99e Initial load duke parents: diff changeset	142 bool AbstractInterpreter::_notice_safepoints = false;
a61af66fc99e Initial load duke parents: diff changeset	143 address AbstractInterpreter::_rethrow_exception_entry = NULL;
a61af66fc99e Initial load duke parents: diff changeset	144
a61af66fc99e Initial load duke parents: diff changeset	145 address AbstractInterpreter::_native_entry_begin = NULL;
a61af66fc99e Initial load duke parents: diff changeset	146 address AbstractInterpreter::_native_entry_end = NULL;
a61af66fc99e Initial load duke parents: diff changeset	147 address AbstractInterpreter::_slow_signature_handler;
a61af66fc99e Initial load duke parents: diff changeset	148 address AbstractInterpreter::_entry_table [AbstractInterpreter::number_of_method_entries];
a61af66fc99e Initial load duke parents: diff changeset	149 address AbstractInterpreter::_native_abi_to_tosca [AbstractInterpreter::number_of_result_handlers];
a61af66fc99e Initial load duke parents: diff changeset	150
a61af66fc99e Initial load duke parents: diff changeset	151 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load duke parents: diff changeset	152 // Generation of complete interpreter
a61af66fc99e Initial load duke parents: diff changeset	153
a61af66fc99e Initial load duke parents: diff changeset	154 AbstractInterpreterGenerator::AbstractInterpreterGenerator(StubQueue* _code) {
a61af66fc99e Initial load duke parents: diff changeset	155 _masm = NULL;
a61af66fc99e Initial load duke parents: diff changeset	156 }
a61af66fc99e Initial load duke parents: diff changeset	157
a61af66fc99e Initial load duke parents: diff changeset	158
a61af66fc99e Initial load duke parents: diff changeset	159 static const BasicType types[Interpreter::number_of_result_handlers] = {
a61af66fc99e Initial load duke parents: diff changeset	160 T_BOOLEAN,
a61af66fc99e Initial load duke parents: diff changeset	161 T_CHAR ,
a61af66fc99e Initial load duke parents: diff changeset	162 T_BYTE ,
a61af66fc99e Initial load duke parents: diff changeset	163 T_SHORT ,
a61af66fc99e Initial load duke parents: diff changeset	164 T_INT ,
a61af66fc99e Initial load duke parents: diff changeset	165 T_LONG ,
a61af66fc99e Initial load duke parents: diff changeset	166 T_VOID ,
a61af66fc99e Initial load duke parents: diff changeset	167 T_FLOAT ,
a61af66fc99e Initial load duke parents: diff changeset	168 T_DOUBLE ,
a61af66fc99e Initial load duke parents: diff changeset	169 T_OBJECT
a61af66fc99e Initial load duke parents: diff changeset	170 };
a61af66fc99e Initial load duke parents: diff changeset	171
a61af66fc99e Initial load duke parents: diff changeset	172 void AbstractInterpreterGenerator::generate_all() {
a61af66fc99e Initial load duke parents: diff changeset	173
a61af66fc99e Initial load duke parents: diff changeset	174
a61af66fc99e Initial load duke parents: diff changeset	175 { CodeletMark cm(_masm, "slow signature handler");
a61af66fc99e Initial load duke parents: diff changeset	176 Interpreter::_slow_signature_handler = generate_slow_signature_handler();
a61af66fc99e Initial load duke parents: diff changeset	177 }
a61af66fc99e Initial load duke parents: diff changeset	178
a61af66fc99e Initial load duke parents: diff changeset	179 }
a61af66fc99e Initial load duke parents: diff changeset	180
a61af66fc99e Initial load duke parents: diff changeset	181 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load duke parents: diff changeset	182 // Entry points
a61af66fc99e Initial load duke parents: diff changeset	183
a61af66fc99e Initial load duke parents: diff changeset	184 AbstractInterpreter::MethodKind AbstractInterpreter::method_kind(methodHandle m) {
a61af66fc99e Initial load duke parents: diff changeset	185 // Abstract method?
a61af66fc99e Initial load duke parents: diff changeset	186 if (m->is_abstract()) return abstract;
a61af66fc99e Initial load duke parents: diff changeset	187
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	188 // Method handle primitive?
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	189 if (m->is_method_handle_intrinsic()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	190 vmIntrinsics::ID id = m->intrinsic_id();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	191 assert(MethodHandles::is_signature_polymorphic(id), "must match an intrinsic");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	192 MethodKind kind = (MethodKind)( method_handle_invoke_FIRST +
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	193 ((int)id - vmIntrinsics::FIRST_MH_SIG_POLY) );
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	194 assert(kind <= method_handle_invoke_LAST, "parallel enum ranges");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	195 return kind;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	196 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: 0 diff changeset	197
11080 b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	198 #ifndef CC_INTERP
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	199 if (UseCRC32Intrinsics && m->is_native()) {
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	200 // Use optimized stub code for CRC32 native methods.
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	201 switch (m->intrinsic_id()) {
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	202 case vmIntrinsics::_updateCRC32 : return java_util_zip_CRC32_update;
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	203 case vmIntrinsics::_updateBytesCRC32 : return java_util_zip_CRC32_updateBytes;
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	204 case vmIntrinsics::_updateByteBufferCRC32 : return java_util_zip_CRC32_updateByteBuffer;
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	205 }
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	206 }
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	207 #endif
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	208
0 a61af66fc99e Initial load duke parents: diff changeset	209 // Native method?
a61af66fc99e Initial load duke parents: diff changeset	210 // Note: This test must come _before_ the test for intrinsic
a61af66fc99e Initial load duke parents: diff changeset	211 // methods. See also comments below.
a61af66fc99e Initial load duke parents: diff changeset	212 if (m->is_native()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	213 assert(!m->is_method_handle_intrinsic(), "overlapping bits here, watch out");
0 a61af66fc99e Initial load duke parents: diff changeset	214 return m->is_synchronized() ? native_synchronized : native;
a61af66fc99e Initial load duke parents: diff changeset	215 }
a61af66fc99e Initial load duke parents: diff changeset	216
a61af66fc99e Initial load duke parents: diff changeset	217 // Synchronized?
a61af66fc99e Initial load duke parents: diff changeset	218 if (m->is_synchronized()) {
a61af66fc99e Initial load duke parents: diff changeset	219 return zerolocals_synchronized;
a61af66fc99e Initial load duke parents: diff changeset	220 }
a61af66fc99e Initial load duke parents: diff changeset	221
a61af66fc99e Initial load duke parents: diff changeset	222 if (RegisterFinalizersAtInit && m->code_size() == 1 &&
a61af66fc99e Initial load duke parents: diff changeset	223 m->intrinsic_id() == vmIntrinsics::_Object_init) {
a61af66fc99e Initial load duke parents: diff changeset	224 // We need to execute the special return bytecode to check for
a61af66fc99e Initial load duke parents: diff changeset	225 // finalizer registration so create a normal frame.
a61af66fc99e Initial load duke parents: diff changeset	226 return zerolocals;
a61af66fc99e Initial load duke parents: diff changeset	227 }
a61af66fc99e Initial load duke parents: diff changeset	228
a61af66fc99e Initial load duke parents: diff changeset	229 // Empty method?
a61af66fc99e Initial load duke parents: diff changeset	230 if (m->is_empty_method()) {
a61af66fc99e Initial load duke parents: diff changeset	231 return empty;
a61af66fc99e Initial load duke parents: diff changeset	232 }
a61af66fc99e Initial load duke parents: diff changeset	233
a61af66fc99e Initial load duke parents: diff changeset	234 // Special intrinsic method?
a61af66fc99e Initial load duke parents: diff changeset	235 // Note: This test must come _after_ the test for native methods,
a61af66fc99e Initial load duke parents: diff changeset	236 // otherwise we will run into problems with JDK 1.2, see also
a61af66fc99e Initial load duke parents: diff changeset	237 // AbstractInterpreterGenerator::generate_method_entry() for
a61af66fc99e Initial load duke parents: diff changeset	238 // for details.
a61af66fc99e Initial load duke parents: diff changeset	239 switch (m->intrinsic_id()) {
a61af66fc99e Initial load duke parents: diff changeset	240 case vmIntrinsics::_dsin : return java_lang_math_sin ;
a61af66fc99e Initial load duke parents: diff changeset	241 case vmIntrinsics::_dcos : return java_lang_math_cos ;
a61af66fc99e Initial load duke parents: diff changeset	242 case vmIntrinsics::_dtan : return java_lang_math_tan ;
a61af66fc99e Initial load duke parents: diff changeset	243 case vmIntrinsics::_dabs : return java_lang_math_abs ;
a61af66fc99e Initial load duke parents: diff changeset	244 case vmIntrinsics::_dsqrt : return java_lang_math_sqrt ;
a61af66fc99e Initial load duke parents: diff changeset	245 case vmIntrinsics::_dlog : return java_lang_math_log ;
a61af66fc99e Initial load duke parents: diff changeset	246 case vmIntrinsics::_dlog10: return java_lang_math_log10;
6084 6759698e3140 7133857: exp() and pow() should use the x87 ISA on x86 roland parents: 3249 diff changeset	247 case vmIntrinsics::_dpow : return java_lang_math_pow ;
6759698e3140 7133857: exp() and pow() should use the x87 ISA on x86 roland parents: 3249 diff changeset	248 case vmIntrinsics::_dexp : return java_lang_math_exp ;
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2177 diff changeset	249
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2177 diff changeset	250 case vmIntrinsics::_Reference_get:
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2177 diff changeset	251 return java_lang_ref_reference_get;
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2177 diff changeset	252 }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2177 diff changeset	253
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2177 diff changeset	254 // Accessor method?
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2177 diff changeset	255 if (m->is_accessor()) {
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2177 diff changeset	256 assert(m->size_of_parameters() == 1, "fast code for accessors assumes parameter size = 1");
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2177 diff changeset	257 return accessor;
0 a61af66fc99e Initial load duke parents: diff changeset	258 }
a61af66fc99e Initial load duke parents: diff changeset	259
a61af66fc99e Initial load duke parents: diff changeset	260 // Note: for now: zero locals for all non-empty methods
a61af66fc99e Initial load duke parents: diff changeset	261 return zerolocals;
a61af66fc99e Initial load duke parents: diff changeset	262 }
a61af66fc99e Initial load duke parents: diff changeset	263
a61af66fc99e Initial load duke parents: diff changeset	264
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	265 void AbstractInterpreter::set_entry_for_kind(AbstractInterpreter::MethodKind kind, address entry) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	266 assert(kind >= method_handle_invoke_FIRST &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	267 kind <= method_handle_invoke_LAST, "late initialization only for MH entry points");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	268 assert(_entry_table[kind] == _entry_table[abstract], "previous value must be AME entry");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	269 _entry_table[kind] = entry;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	270 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	271
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	272
0 a61af66fc99e Initial load duke parents: diff changeset	273 // Return true if the interpreter can prove that the given bytecode has
a61af66fc99e Initial load duke parents: diff changeset	274 // not yet been executed (in Java semantics, not in actual operation).
a61af66fc99e Initial load duke parents: diff changeset	275 bool AbstractInterpreter::is_not_reached(methodHandle method, int bci) {
2142 8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe never parents: 1972 diff changeset	276 Bytecodes::Code code = method()->code_at(bci);
0 a61af66fc99e Initial load duke parents: diff changeset	277
2142 8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe never parents: 1972 diff changeset	278 if (!Bytecodes::must_rewrite(code)) {
0 a61af66fc99e Initial load duke parents: diff changeset	279 // might have been reached
a61af66fc99e Initial load duke parents: diff changeset	280 return false;
a61af66fc99e Initial load duke parents: diff changeset	281 }
a61af66fc99e Initial load duke parents: diff changeset	282
a61af66fc99e Initial load duke parents: diff changeset	283 // the bytecode might not be rewritten if the method is an accessor, etc.
a61af66fc99e Initial load duke parents: diff changeset	284 address ientry = method->interpreter_entry();
a61af66fc99e Initial load duke parents: diff changeset	285 if (ientry != entry_for_kind(AbstractInterpreter::zerolocals) &&
a61af66fc99e Initial load duke parents: diff changeset	286 ientry != entry_for_kind(AbstractInterpreter::zerolocals_synchronized))
a61af66fc99e Initial load duke parents: diff changeset	287 return false; // interpreter does not run this method!
a61af66fc99e Initial load duke parents: diff changeset	288
a61af66fc99e Initial load duke parents: diff changeset	289 // otherwise, we can be sure this bytecode has never been executed
a61af66fc99e Initial load duke parents: diff changeset	290 return true;
a61af66fc99e Initial load duke parents: diff changeset	291 }
a61af66fc99e Initial load duke parents: diff changeset	292
a61af66fc99e Initial load duke parents: diff changeset	293
a61af66fc99e Initial load duke parents: diff changeset	294 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	295 void AbstractInterpreter::print_method_kind(MethodKind kind) {
a61af66fc99e Initial load duke parents: diff changeset	296 switch (kind) {
a61af66fc99e Initial load duke parents: diff changeset	297 case zerolocals : tty->print("zerolocals" ); break;
a61af66fc99e Initial load duke parents: diff changeset	298 case zerolocals_synchronized: tty->print("zerolocals_synchronized"); break;
a61af66fc99e Initial load duke parents: diff changeset	299 case native : tty->print("native" ); break;
a61af66fc99e Initial load duke parents: diff changeset	300 case native_synchronized : tty->print("native_synchronized" ); break;
a61af66fc99e Initial load duke parents: diff changeset	301 case empty : tty->print("empty" ); break;
a61af66fc99e Initial load duke parents: diff changeset	302 case accessor : tty->print("accessor" ); break;
a61af66fc99e Initial load duke parents: diff changeset	303 case abstract : tty->print("abstract" ); break;
a61af66fc99e Initial load duke parents: diff changeset	304 case java_lang_math_sin : tty->print("java_lang_math_sin" ); break;
a61af66fc99e Initial load duke parents: diff changeset	305 case java_lang_math_cos : tty->print("java_lang_math_cos" ); break;
a61af66fc99e Initial load duke parents: diff changeset	306 case java_lang_math_tan : tty->print("java_lang_math_tan" ); break;
a61af66fc99e Initial load duke parents: diff changeset	307 case java_lang_math_abs : tty->print("java_lang_math_abs" ); break;
a61af66fc99e Initial load duke parents: diff changeset	308 case java_lang_math_sqrt : tty->print("java_lang_math_sqrt" ); break;
a61af66fc99e Initial load duke parents: diff changeset	309 case java_lang_math_log : tty->print("java_lang_math_log" ); break;
a61af66fc99e Initial load duke parents: diff changeset	310 case java_lang_math_log10 : tty->print("java_lang_math_log10" ); break;
11080 b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	311 case java_util_zip_CRC32_update : tty->print("java_util_zip_CRC32_update"); break;
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	312 case java_util_zip_CRC32_updateBytes : tty->print("java_util_zip_CRC32_updateBytes"); break;
b800986664f4 7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 drchase parents: 8767 diff changeset	313 case java_util_zip_CRC32_updateByteBuffer : tty->print("java_util_zip_CRC32_updateByteBuffer"); break;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	314 default:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	315 if (kind >= method_handle_invoke_FIRST &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	316 kind <= method_handle_invoke_LAST) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	317 const char* kind_name = vmIntrinsics::name_at(method_handle_intrinsic(kind));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	318 if (kind_name[0] == '_') kind_name = &kind_name[1]; // '_invokeExact' => 'invokeExact'
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	319 tty->print("method_handle_%s", kind_name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	320 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	321 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	322 ShouldNotReachHere();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6084 diff changeset	323 break;
0 a61af66fc99e Initial load duke parents: diff changeset	324 }
a61af66fc99e Initial load duke parents: diff changeset	325 }
a61af66fc99e Initial load duke parents: diff changeset	326 #endif // PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	327
a61af66fc99e Initial load duke parents: diff changeset	328
a61af66fc99e Initial load duke parents: diff changeset	329 //------------------------------------------------------------------------------------------------------------------------
a61af66fc99e Initial load duke parents: diff changeset	330 // Deoptimization support
a61af66fc99e Initial load duke parents: diff changeset	331
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	332 // If deoptimization happens, this function returns the point of next bytecode to continue execution
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	333 address AbstractInterpreter::deopt_continue_after_entry(Method* method, address bcp, int callee_parameters, bool is_top_frame) {
0 a61af66fc99e Initial load duke parents: diff changeset	334 assert(method->contains(bcp), "just checkin'");
2142 8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe never parents: 1972 diff changeset	335 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp);
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	336 assert(!Interpreter::bytecode_should_reexecute(code), "should not reexecute");
0 a61af66fc99e Initial load duke parents: diff changeset	337 int bci = method->bci_from(bcp);
a61af66fc99e Initial load duke parents: diff changeset	338 int length = -1; // initial value for debugging
a61af66fc99e Initial load duke parents: diff changeset	339 // compute continuation length
2142 8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe never parents: 1972 diff changeset	340 length = Bytecodes::length_at(method, bcp);
0 a61af66fc99e Initial load duke parents: diff changeset	341 // compute result type
a61af66fc99e Initial load duke parents: diff changeset	342 BasicType type = T_ILLEGAL;
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	343
0 a61af66fc99e Initial load duke parents: diff changeset	344 switch (code) {
a61af66fc99e Initial load duke parents: diff changeset	345 case Bytecodes::_invokevirtual :
a61af66fc99e Initial load duke parents: diff changeset	346 case Bytecodes::_invokespecial :
a61af66fc99e Initial load duke parents: diff changeset	347 case Bytecodes::_invokestatic :
a61af66fc99e Initial load duke parents: diff changeset	348 case Bytecodes::_invokeinterface: {
a61af66fc99e Initial load duke parents: diff changeset	349 Thread *thread = Thread::current();
a61af66fc99e Initial load duke parents: diff changeset	350 ResourceMark rm(thread);
a61af66fc99e Initial load duke parents: diff changeset	351 methodHandle mh(thread, method);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2142 diff changeset	352 type = Bytecode_invoke(mh, bci).result_type();
0 a61af66fc99e Initial load duke parents: diff changeset	353 // since the cache entry might not be initialized:
a61af66fc99e Initial load duke parents: diff changeset	354 // (NOT needed for the old calling convension)
a61af66fc99e Initial load duke parents: diff changeset	355 if (!is_top_frame) {
a61af66fc99e Initial load duke parents: diff changeset	356 int index = Bytes::get_native_u2(bcp+1);
a61af66fc99e Initial load duke parents: diff changeset	357 method->constants()->cache()->entry_at(index)->set_parameter_size(callee_parameters);
a61af66fc99e Initial load duke parents: diff changeset	358 }
a61af66fc99e Initial load duke parents: diff changeset	359 break;
a61af66fc99e Initial load duke parents: diff changeset	360 }
a61af66fc99e Initial load duke parents: diff changeset	361
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	362 case Bytecodes::_invokedynamic: {
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	363 Thread *thread = Thread::current();
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	364 ResourceMark rm(thread);
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	365 methodHandle mh(thread, method);
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2142 diff changeset	366 type = Bytecode_invoke(mh, bci).result_type();
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	367 // since the cache entry might not be initialized:
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	368 // (NOT needed for the old calling convension)
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	369 if (!is_top_frame) {
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	370 int index = Bytes::get_native_u4(bcp+1);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	371 method->constants()->invokedynamic_cp_cache_entry_at(index)->set_parameter_size(callee_parameters);
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	372 }
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	373 break;
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	374 }
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 900 diff changeset	375
0 a61af66fc99e Initial load duke parents: diff changeset	376 case Bytecodes::_ldc :
a61af66fc99e Initial load duke parents: diff changeset	377 case Bytecodes::_ldc_w : // fall through
a61af66fc99e Initial load duke parents: diff changeset	378 case Bytecodes::_ldc2_w:
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	379 {
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	380 Thread *thread = Thread::current();
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	381 ResourceMark rm(thread);
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	382 methodHandle mh(thread, method);
2142 8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe never parents: 1972 diff changeset	383 type = Bytecode_loadconstant(mh, bci).result_type();
1602 136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	384 break;
136b78722a08 6939203: JSR 292 needs method handle constants jrose parents: 1579 diff changeset	385 }
0 a61af66fc99e Initial load duke parents: diff changeset	386
a61af66fc99e Initial load duke parents: diff changeset	387 default:
a61af66fc99e Initial load duke parents: diff changeset	388 type = Bytecodes::result_type(code);
a61af66fc99e Initial load duke parents: diff changeset	389 break;
a61af66fc99e Initial load duke parents: diff changeset	390 }
a61af66fc99e Initial load duke parents: diff changeset	391
a61af66fc99e Initial load duke parents: diff changeset	392 // return entry point for computed continuation state & bytecode length
a61af66fc99e Initial load duke parents: diff changeset	393 return
a61af66fc99e Initial load duke parents: diff changeset	394 is_top_frame
a61af66fc99e Initial load duke parents: diff changeset	395 ? Interpreter::deopt_entry (as_TosState(type), length)
a61af66fc99e Initial load duke parents: diff changeset	396 : Interpreter::return_entry(as_TosState(type), length);
a61af66fc99e Initial load duke parents: diff changeset	397 }
a61af66fc99e Initial load duke parents: diff changeset	398
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	399 // If deoptimization happens, this function returns the point where the interpreter reexecutes
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	400 // the bytecode.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	401 // Note: Bytecodes::_athrow is a special case in that it does not return
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	402 // Interpreter::deopt_entry(vtos, 0) like others
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	403 address AbstractInterpreter::deopt_reexecute_entry(Method* method, address bcp) {
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	404 assert(method->contains(bcp), "just checkin'");
2142 8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe never parents: 1972 diff changeset	405 Bytecodes::Code code = Bytecodes::java_code_at(method, bcp);
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	406 #ifdef COMPILER1
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	407 if(code == Bytecodes::_athrow ) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	408 return Interpreter::rethrow_exception_entry();
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	409 }
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	410 #endif /* COMPILER1 */
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	411 return Interpreter::deopt_entry(vtos, 0);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	412 }
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	413
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	414 // If deoptimization happens, the interpreter should reexecute these bytecodes.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	415 // This function mainly helps the compilers to set up the reexecute bit.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	416 bool AbstractInterpreter::bytecode_should_reexecute(Bytecodes::Code code) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	417 switch (code) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	418 case Bytecodes::_lookupswitch:
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	419 case Bytecodes::_tableswitch:
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	420 case Bytecodes::_fast_binaryswitch:
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	421 case Bytecodes::_fast_linearswitch:
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	422 // recompute condtional expression folded into _if<cond>
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	423 case Bytecodes::_lcmp :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	424 case Bytecodes::_fcmpl :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	425 case Bytecodes::_fcmpg :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	426 case Bytecodes::_dcmpl :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	427 case Bytecodes::_dcmpg :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	428 case Bytecodes::_ifnull :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	429 case Bytecodes::_ifnonnull :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	430 case Bytecodes::_goto :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	431 case Bytecodes::_goto_w :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	432 case Bytecodes::_ifeq :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	433 case Bytecodes::_ifne :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	434 case Bytecodes::_iflt :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	435 case Bytecodes::_ifge :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	436 case Bytecodes::_ifgt :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	437 case Bytecodes::_ifle :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	438 case Bytecodes::_if_icmpeq :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	439 case Bytecodes::_if_icmpne :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	440 case Bytecodes::_if_icmplt :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	441 case Bytecodes::_if_icmpge :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	442 case Bytecodes::_if_icmpgt :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	443 case Bytecodes::_if_icmple :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	444 case Bytecodes::_if_acmpeq :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	445 case Bytecodes::_if_acmpne :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	446 // special cases
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	447 case Bytecodes::_getfield :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	448 case Bytecodes::_putfield :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	449 case Bytecodes::_getstatic :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	450 case Bytecodes::_putstatic :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	451 case Bytecodes::_aastore :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	452 #ifdef COMPILER1
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	453 //special case of reexecution
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	454 case Bytecodes::_athrow :
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	455 #endif
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	456 return true;
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	457
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	458 default:
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	459 return false;
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	460 }
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	461 }
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 710 diff changeset	462
0 a61af66fc99e Initial load duke parents: diff changeset	463 void AbstractInterpreterGenerator::bang_stack_shadow_pages(bool native_call) {
a61af66fc99e Initial load duke parents: diff changeset	464 // Quick & dirty stack overflow checking: bang the stack & handle trap.
a61af66fc99e Initial load duke parents: diff changeset	465 // Note that we do the banging after the frame is setup, since the exception
a61af66fc99e Initial load duke parents: diff changeset	466 // handling code expects to find a valid interpreter frame on the stack.
a61af66fc99e Initial load duke parents: diff changeset	467 // Doing the banging earlier fails if the caller frame is not an interpreter
a61af66fc99e Initial load duke parents: diff changeset	468 // frame.
a61af66fc99e Initial load duke parents: diff changeset	469 // (Also, the exception throwing code expects to unlock any synchronized
a61af66fc99e Initial load duke parents: diff changeset	470 // method receiever, so do the banging after locking the receiver.)
a61af66fc99e Initial load duke parents: diff changeset	471
a61af66fc99e Initial load duke parents: diff changeset	472 // Bang each page in the shadow zone. We can't assume it's been done for
a61af66fc99e Initial load duke parents: diff changeset	473 // an interpreter frame with greater than a page of locals, so each page
a61af66fc99e Initial load duke parents: diff changeset	474 // needs to be checked. Only true for non-native.
a61af66fc99e Initial load duke parents: diff changeset	475 if (UseStackBanging) {
a61af66fc99e Initial load duke parents: diff changeset	476 const int start_page = native_call ? StackShadowPages : 1;
a61af66fc99e Initial load duke parents: diff changeset	477 const int page_size = os::vm_page_size();
a61af66fc99e Initial load duke parents: diff changeset	478 for (int pages = start_page; pages <= StackShadowPages ; pages++) {
a61af66fc99e Initial load duke parents: diff changeset	479 __ bang_stack_with_offset(pages*page_size);
a61af66fc99e Initial load duke parents: diff changeset	480 }
a61af66fc99e Initial load duke parents: diff changeset	481 }
a61af66fc99e Initial load duke parents: diff changeset	482 }
6926 a3e2f723f2a5 8000780: make Zero build and run with JDK8 twisti parents: 6796 diff changeset	483
a3e2f723f2a5 8000780: make Zero build and run with JDK8 twisti parents: 6796 diff changeset	484 void AbstractInterpreterGenerator::initialize_method_handle_entries() {
a3e2f723f2a5 8000780: make Zero build and run with JDK8 twisti parents: 6796 diff changeset	485 // method handle entry kinds are generated later in MethodHandlesAdapterGenerator::generate:
a3e2f723f2a5 8000780: make Zero build and run with JDK8 twisti parents: 6796 diff changeset	486 for (int i = Interpreter::method_handle_invoke_FIRST; i <= Interpreter::method_handle_invoke_LAST; i++) {
a3e2f723f2a5 8000780: make Zero build and run with JDK8 twisti parents: 6796 diff changeset	487 Interpreter::MethodKind kind = (Interpreter::MethodKind) i;
a3e2f723f2a5 8000780: make Zero build and run with JDK8 twisti parents: 6796 diff changeset	488 Interpreter::_entry_table[kind] = Interpreter::_entry_table[Interpreter::abstract];
a3e2f723f2a5 8000780: make Zero build and run with JDK8 twisti parents: 6796 diff changeset	489 }
a3e2f723f2a5 8000780: make Zero build and run with JDK8 twisti parents: 6796 diff changeset	490 }

Mercurial > hg > truffle

annotate src/share/vm/interpreter/interpreter.cpp @ 11080:b800986664f4