| /* |
| * 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") \ |
| constraint(AOTCacheOutputConstraintFunc, AtParse) \ |
| \ |
| 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, EXPERIMENTAL, \ |
| "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 |
