1 /* 2 * Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_CDS_CDS_GLOBALS_HPP 26 #define SHARE_CDS_CDS_GLOBALS_HPP 27 28 #include "runtime/globals_shared.hpp" 29 30 // 31 // Defines all globals flags used by CDS. 32 // 33 34 #define CDS_FLAGS(develop, \ 35 develop_pd, \ 36 product, \ 37 product_pd, \ 38 range, \ 39 constraint) \ 40 /* Shared spaces */ \ 41 \ 42 product(bool, VerifySharedSpaces, false, \ 43 "Verify integrity of shared spaces") \ 44 \ 45 product(bool, RecordDynamicDumpInfo, false, \ 46 "Record class info for jcmd VM.cds dynamic_dump") \ 47 \ 48 product(bool, AutoCreateSharedArchive, false, \ 49 "Create shared archive at exit if cds mapping failed") \ 50 \ 51 product(bool, PrintSharedArchiveAndExit, false, \ 52 "Print shared archive file contents") \ 53 \ 54 product(size_t, SharedBaseAddress, LP64_ONLY(32*G) \ 55 NOT_LP64(LINUX_ONLY(2*G) NOT_LINUX(0)), \ 56 "Address to allocate shared memory region for class data") \ 57 range(0, SIZE_MAX) \ 58 \ 59 product(ccstr, SharedArchiveConfigFile, nullptr, \ 60 "Data to add to the CDS archive file") \ 61 \ 62 product(uint, SharedSymbolTableBucketSize, 4, \ 63 "Average number of symbols per bucket in shared table") \ 64 range(2, 246) \ 65 \ 66 product(bool, AllowArchivingWithJavaAgent, false, DIAGNOSTIC, \ 67 "Allow Java agent to be run with CDS dumping") \ 68 \ 69 develop(ccstr, ArchiveHeapTestClass, nullptr, \ 70 "For JVM internal testing only. The static field named " \ 71 "\"archivedObjects\" of the specified class is stored in the " \ 72 "CDS archive heap") \ 73 \ 74 product(ccstr, DumpLoadedClassList, nullptr, \ 75 "Dump the names all loaded classes, that could be stored into " \ 76 "the CDS archive, in the specified file") \ 77 \ 78 product(ccstr, SharedClassListFile, nullptr, \ 79 "Override the default CDS class list") \ 80 \ 81 product(ccstr, SharedArchiveFile, nullptr, \ 82 "Override the default location of the CDS archive file") \ 83 \ 84 product(ccstr, ArchiveClassesAtExit, nullptr, \ 85 "The path and name of the dynamic archive file") \ 86 \ 87 product(ccstr, ExtraSharedClassListFile, nullptr, \ 88 "Extra classlist for building the CDS archive file") \ 89 \ 90 /*FIXME - AOT code has direct pointers to metadata that's not relocated*/ \ 91 product(int, ArchiveRelocationMode, 0, DIAGNOSTIC, \ 92 "(0) first map at preferred address, and if " \ 93 "unsuccessful, map at alternative address; " \ 94 "(1) always map at alternative address (default); " \ 95 "(2) always map at preferred address, and if unsuccessful, " \ 96 "do not map the archive") \ 97 range(0, 2) \ 98 \ 99 /*========== New "AOT" flags =========================================*/ \ 100 /* These are aliases of -Xshare:dump, -XX:SharedArchiveFile=..., etc. */ \ 101 /* See CDSConfig::check_flag_aliases(). */ \ 102 \ 103 product(ccstr, AOTMode, nullptr, \ 104 "record/create/on") \ 105 \ 106 product(ccstr, AOTConfiguration, nullptr, \ 107 "Configuration information used by CreateAOTCache") \ 108 \ 109 product(ccstr, AOTCache, nullptr, \ 110 "AOT Cache for improving start up and warm up") \ 111 \ 112 \ 113 /*========== New options added by Leyden =============================*/ \ 114 \ 115 product(ccstr, CacheDataStore, nullptr, \ 116 "If valid, use the specified file for SharedArchiveFile; " \ 117 "otherwise the specified file is generated at program exit") \ 118 \ 119 product(ccstr, CDSPreimage, nullptr, \ 120 "(** internal use only **) -- used by a child JVM process to " \ 121 "create the CacheDataStore final image") \ 122 \ 123 product(bool, CDSManualFinalImage, false, DIAGNOSTIC, \ 124 "(** internal use only **) -- if false, automatically launch a " \ 125 "child process to create the final image.") \ 126 \ 127 /* To be renamed to CDSLoadedClasses */ \ 128 product(bool, PreloadSharedClasses, false, \ 129 "Load all shared classes for the boot/platform/app loaders " \ 130 "immediately at VM start-up") \ 131 \ 132 product(bool, PrelinkSharedClasses, true, \ 133 "Link all shared classes for the boot/platform/app loaders " \ 134 "immediately at VM start-up") \ 135 \ 136 product(bool, ArchiveDynamicProxies, false, \ 137 "Archive classes generated for java/lang/reflect/Proxy") \ 138 \ 139 product(bool, ArchiveFieldReferences, true, \ 140 "Archive resolved JVM_CONSTANT_Fieldref in ConstantPool") \ 141 \ 142 product(bool, ArchiveInvokeDynamic, false, \ 143 "Archive resolved JVM_CONSTANT_InvokeDynamic in ConstantPool") \ 144 \ 145 product(bool, ArchiveLoaderLookupCache, false, \ 146 "Archive app loader's positive and negative lookup cache") \ 147 \ 148 product(bool, ArchiveMethodReferences, true, \ 149 "Archive resolved JVM_CONSTANT_Methodref and " \ 150 "JVM_CONSTANT_InterfaceMethodref in ConstantPool") \ 151 \ 152 product(bool, ArchivePackages, false, \ 153 "Archive the java.lang.ClassLoader::{packages,package2certs} " \ 154 "tables") \ 155 \ 156 product(bool, ArchiveProtectionDomains, false, \ 157 "Archive the java.security.SecureClassLoader::pdcache table") \ 158 \ 159 product(bool, ArchiveReflectionData, false, \ 160 "Archive Class::reflectionData field") \ 161 \ 162 product(bool, TempDisableAddJVMCIModule, false, \ 163 "Do not add jdk.internal.vm.ci module even for -XX:+EnableJVMCI") \ 164 \ 165 product(bool, UsePermanentHeapObjects, false, DIAGNOSTIC, \ 166 "Allow AOT code to access permanent archived heap objects") \ 167 \ 168 product(bool, VerifyTrainingData, trueInDebug, DIAGNOSTIC, \ 169 "Verify archived training data") \ 170 \ 171 product(bool, SkipArchiveHeapVerification, false, \ 172 "Skip verification of CDS archive heap") \ 173 174 // end of CDS_FLAGS 175 176 DECLARE_FLAGS(CDS_FLAGS) 177 178 #endif // SHARE_CDS_CDS_GLOBALS_HPP