author | dnsimon |
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/* |
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* Copyright (c) 2000, 2019, 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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#ifndef SHARE_JVMCI_JVMCI_GLOBALS_HPP |
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#define SHARE_JVMCI_JVMCI_GLOBALS_HPP |
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#include "runtime/flags/jvmFlag.hpp" |
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class fileStream; |
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// |
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// Defines all global flags used by the JVMCI compiler. Only flags that need |
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// to be accessible to the JVMCI C++ code should be defined here. |
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// |
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#define JVMCI_FLAGS(develop, \ |
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develop_pd, \ |
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product, \ |
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product_pd, \ |
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diagnostic, \ |
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diagnostic_pd, \ |
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experimental, \ |
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notproduct, \ |
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range, \ |
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constraint, \ |
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writeable) \ |
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\ |
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experimental(bool, EnableJVMCI, false, \ |
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"Enable JVMCI") \ |
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\ |
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experimental(bool, EnableJVMCIProduct, false, \ |
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"Allow JVMCI to be used in product mode. This alters a subset of "\ |
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"JVMCI flags to be non-experimental, defaults UseJVMCICompiler " \ |
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"to true and defaults UseJVMCINativeLibrary to true if a JVMCI " \ |
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"native library is available.") \ |
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\ |
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experimental(bool, UseJVMCICompiler, false, \ |
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"Use JVMCI as the default compiler. Defaults to true if " \ |
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"EnableJVMCIProduct is true.") \ |
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\ |
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experimental(bool, JVMCIPrintProperties, false, \ |
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"Prints properties used by the JVMCI compiler and exits") \ |
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\ |
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experimental(bool, BootstrapJVMCI, false, \ |
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"Bootstrap JVMCI before running Java main method. This " \ |
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"initializes the compile queue with a small set of methods " \ |
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"and processes the queue until it is empty. Combining this with " \ |
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"-XX:-TieredCompilation makes JVMCI compile more of itself.") \ |
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\ |
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experimental(bool, EagerJVMCI, false, \ |
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"Force eager JVMCI initialization") \ |
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\ |
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experimental(bool, PrintBootstrap, true, \ |
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"Print JVMCI bootstrap progress and summary") \ |
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\ |
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experimental(intx, JVMCIThreads, 1, \ |
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"Force number of JVMCI compiler threads to use. Ignored if " \ |
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"UseJVMCICompiler is false.") \ |
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range(1, max_jint) \ |
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\ |
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experimental(intx, JVMCIHostThreads, 1, \ |
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"Force number of C1 compiler threads. Ignored if " \ |
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"UseJVMCICompiler is false.") \ |
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range(1, max_jint) \ |
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\ |
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NOT_COMPILER2(product(intx, MaxVectorSize, 64, \ |
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"Max vector size in bytes, " \ |
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"actual size could be less depending on elements type")) \ |
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\ |
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NOT_COMPILER2(product(bool, ReduceInitialCardMarks, true, \ |
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"Defer write barriers of young objects")) \ |
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\ |
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experimental(intx, JVMCITraceLevel, 0, \ |
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"Trace level for JVMCI: " \ |
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"1 means emit a message for each CompilerToVM call," \ |
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"levels greater than 1 provide progressively greater detail") \ |
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\ |
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experimental(intx, JVMCICounterSize, 0, \ |
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"Reserved size for benchmark counters") \ |
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range(0, max_jint) \ |
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\ |
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experimental(bool, JVMCICountersExcludeCompiler, true, \ |
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"Exclude JVMCI compiler threads from benchmark counters") \ |
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\ |
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develop(bool, JVMCIUseFastLocking, true, \ |
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"Use fast inlined locking code") \ |
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\ |
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experimental(intx, JVMCINMethodSizeLimit, (80*K)*wordSize, \ |
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"Maximum size of a compiled method.") \ |
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\ |
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experimental(intx, MethodProfileWidth, 0, \ |
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"Number of methods to record in call profile") \ |
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\ |
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experimental(ccstr, JVMCILibPath, NULL, \ |
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"LD path for loading the JVMCI shared library") \ |
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\ |
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experimental(ccstr, JVMCILibDumpJNIConfig, NULL, \ |
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"Dumps to the given file a description of the classes, fields " \ |
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"and methods the JVMCI shared library must provide") \ |
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\ |
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experimental(bool, UseJVMCINativeLibrary, false, \ |
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"Execute JVMCI Java code from a shared library " \ |
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"instead of loading it from class files and executing it " \ |
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"on the HotSpot heap. Defaults to true if EnableJVMCIProduct is " \ |
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"true and a JVMCI native library is available.")\ |
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\ |
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NOT_COMPILER2(diagnostic(bool, UseMultiplyToLenIntrinsic, false, \ |
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"Enables intrinsification of BigInteger.multiplyToLen()")) \ |
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\ |
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NOT_COMPILER2(diagnostic(bool, UseSquareToLenIntrinsic, false, \ |
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"Enables intrinsification of BigInteger.squareToLen()")) \ |
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\ |
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NOT_COMPILER2(diagnostic(bool, UseMulAddIntrinsic, false, \ |
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"Enables intrinsification of BigInteger.mulAdd()")) \ |
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\ |
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NOT_COMPILER2(diagnostic(bool, UseMontgomeryMultiplyIntrinsic, false, \ |
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"Enables intrinsification of BigInteger.montgomeryMultiply()")) \ |
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\ |
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NOT_COMPILER2(diagnostic(bool, UseMontgomerySquareIntrinsic, false, \ |
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"Enables intrinsification of BigInteger.montgomerySquare()")) |
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// The base name for the shared library containing the JVMCI based compiler |
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#define JVMCI_SHARED_LIBRARY_NAME "jvmcicompiler" |
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class JVMCIGlobals { |
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private: |
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static fileStream* _jni_config_file; |
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public: |
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// Returns true if jvmci flags are consistent. If not consistent, |
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// an error message describing the inconsistency is printed before |
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// returning false. |
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static bool check_jvmci_flags_are_consistent(); |
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// Convert JVMCI experimental flags to product |
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static bool enable_jvmci_product_mode(JVMFlag::Flags); |
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// Check and exit VM with error if selected GC is not supported by JVMCI. |
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static void check_jvmci_supported_gc(); |
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static fileStream* get_jni_config_file() { return _jni_config_file; } |
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}; |
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#endif // SHARE_JVMCI_JVMCI_GLOBALS_HPP |