/* * Copyright (c) 2022, 2025, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_CDS_CDS_GLOBALS_HPP #define SHARE_CDS_CDS_GLOBALS_HPP #include "runtime/globals_shared.hpp" // // Defines all globals flags used by CDS. // #define CDS_FLAGS(develop, \ develop_pd, \ product, \ product_pd, \ range, \ constraint) \ /* Shared spaces */ \ \ product(bool, VerifySharedSpaces, false, \ "Verify integrity of shared spaces") \ \ product(bool, RecordDynamicDumpInfo, false, \ "Record class info for jcmd VM.cds dynamic_dump") \ \ product(bool, AutoCreateSharedArchive, false, \ "Create shared archive at exit if cds mapping failed") \ \ product(bool, PrintSharedArchiveAndExit, false, \ "Print shared archive file contents") \ \ product(size_t, SharedBaseAddress, LP64_ONLY(32*G) \ NOT_LP64(LINUX_ONLY(2*G) NOT_LINUX(0)), \ "Address to allocate shared memory region for class data") \ range(0, SIZE_MAX) \ \ product(ccstr, SharedArchiveConfigFile, nullptr, \ "Data to add to the CDS archive file") \ \ product(uint, SharedSymbolTableBucketSize, 4, \ "Average number of symbols per bucket in shared table") \ range(2, 246) \ \ product(bool, AllowArchivingWithJavaAgent, false, DIAGNOSTIC, \ "Allow Java agent to be run with CDS dumping (not applicable" \ " to AOT") \ \ develop(ccstr, ArchiveHeapTestClass, nullptr, \ "For JVM internal testing only. The static field named " \ "\"archivedObjects\" of the specified class is stored in the " \ "CDS archive heap") \ \ develop(ccstr, AOTInitTestClass, nullptr, \ "For JVM internal testing only. The specified class is stored " \ "in the initialized state in the AOT cache ") \ \ product(ccstr, DumpLoadedClassList, nullptr, \ "Dump the names all loaded classes, that could be stored into " \ "the CDS archive, in the specified file") \ \ product(ccstr, SharedClassListFile, nullptr, \ "Override the default CDS class list") \ \ product(ccstr, SharedArchiveFile, nullptr, \ "Override the default location of the CDS archive file") \ \ product(ccstr, ArchiveClassesAtExit, nullptr, \ "The path and name of the dynamic archive file") \ \ product(ccstr, ExtraSharedClassListFile, nullptr, \ "Extra classlist for building the CDS archive file") \ \ product(int, ArchiveRelocationMode, 1, DIAGNOSTIC, \ "(0) first map at preferred address, and if " \ "unsuccessful, map at alternative address; " \ "(1) always map at alternative address (default); " \ "(2) always map at preferred address, and if unsuccessful, " \ "do not map the archive") \ range(0, 2) \ \ /*========== New "AOT" flags =========================================*/ \ /* The following 3 flags are aliases of -Xshare:dump, */ \ /* -XX:SharedArchiveFile=..., etc. See CDSConfig::check_flag_aliases()*/ \ \ product(ccstr, AOTMode, nullptr, \ "Specifies how AOTCache should be created or used. Valid values " \ "are: off, record, create, auto, on; the default is auto") \ constraint(AOTModeConstraintFunc, AtParse) \ \ product(ccstr, AOTConfiguration, nullptr, \ "The configuration file written by -XX:AOTMode=record, and " \ "loaded by -XX:AOTMode=create. This file contains profiling data "\ "for deciding what contents should be added to AOTCache. ") \ constraint(AOTConfigurationConstraintFunc, AtParse) \ \ product(ccstr, AOTCache, nullptr, \ "Cache for improving start up and warm up") \ constraint(AOTCacheConstraintFunc, AtParse) \ \ product(ccstr, AOTCacheOutput, nullptr, \ "Specifies the file name for writing the AOT cache") \ \ product(bool, AOTInvokeDynamicLinking, false, DIAGNOSTIC, \ "AOT-link JVM_CONSTANT_InvokeDynamic entries in cached " \ "ConstantPools") \ \ product(bool, AOTClassLinking, false, \ "Load/link all archived classes for the boot/platform/app " \ "loaders before application main") \ \ product(bool, AOTCacheParallelRelocation, true, DIAGNOSTIC, \ "Use parallel relocation code to speed up startup.") \ \ /* flags to control training and deployment modes */ \ \ product(bool, AOTRecordTraining, false, DIAGNOSTIC, \ "Request output of training data for improved deployment.") \ \ product(bool, AOTReplayTraining, false, DIAGNOSTIC, \ "Read training data, if available, for use in this execution") \ \ product(bool, AOTPrintTrainingInfo, false, DIAGNOSTIC, \ "Print additional information about training") \ \ product(bool, AOTVerifyTrainingData, trueInDebug, DIAGNOSTIC, \ "Verify archived training data") \ \ product(bool, AOTCompileEagerly, false, DIAGNOSTIC, \ "Compile methods as soon as possible") \ \ /* AOT Code flags */ \ \ product(bool, AOTAdapterCaching, false, DIAGNOSTIC, \ "Enable saving and restoring i2c2i adapters in AOT cache") \ \ product(bool, AOTStubCaching, false, DIAGNOSTIC, \ "Enable saving and restoring stubs and code blobs in AOT cache") \ \ product(uint, AOTCodeMaxSize, 10*M, DIAGNOSTIC, \ "Buffer size in bytes for AOT code caching") \ range(1*M, max_jint) \ \ product(bool, AbortVMOnAOTCodeFailure, false, DIAGNOSTIC, \ "Abort VM on the first occurrence of AOT code load or store " \ "failure. By default VM will continue execute without AOT code.") \ \ develop(bool, TestAOTAdapterLinkFailure, false, \ "Test failure of adapter linking when loading from AOT cache.") \ // end of CDS_FLAGS DECLARE_FLAGS(CDS_FLAGS) #endif // SHARE_CDS_CDS_GLOBALS_HPP