Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 7212:291ffc492eb6
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 14 Dec 2012 14:35:13 +0100 |
| parents | 5d0bb7d52783 53715fb1597d |
| children | 2912b72d840a |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 4838 | 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/javaAssertions.hpp" | |
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27 #include "classfile/symbolTable.hpp" |
| 1972 | 28 #include "compiler/compilerOracle.hpp" |
| 29 #include "memory/allocation.inline.hpp" | |
| 30 #include "memory/cardTableRS.hpp" | |
| 31 #include "memory/referenceProcessor.hpp" | |
| 32 #include "memory/universe.inline.hpp" | |
| 33 #include "oops/oop.inline.hpp" | |
| 34 #include "prims/jvmtiExport.hpp" | |
| 35 #include "runtime/arguments.hpp" | |
| 36 #include "runtime/globals_extension.hpp" | |
| 37 #include "runtime/java.hpp" | |
| 38 #include "services/management.hpp" | |
| 6197 | 39 #include "services/memTracker.hpp" |
| 1972 | 40 #include "utilities/defaultStream.hpp" |
| 41 #include "utilities/taskqueue.hpp" | |
| 42 #ifdef TARGET_OS_FAMILY_linux | |
| 43 # include "os_linux.inline.hpp" | |
| 44 #endif | |
| 45 #ifdef TARGET_OS_FAMILY_solaris | |
| 46 # include "os_solaris.inline.hpp" | |
| 47 #endif | |
| 48 #ifdef TARGET_OS_FAMILY_windows | |
| 49 # include "os_windows.inline.hpp" | |
| 50 #endif | |
| 3960 | 51 #ifdef TARGET_OS_FAMILY_bsd |
| 52 # include "os_bsd.inline.hpp" | |
| 53 #endif | |
| 1972 | 54 #ifndef SERIALGC |
| 55 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" | |
| 56 #endif | |
| 0 | 57 |
| 2474 | 58 // Note: This is a special bug reporting site for the JVM |
| 59 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
| 0 | 60 #define DEFAULT_JAVA_LAUNCHER "generic" |
| 61 | |
| 62 char** Arguments::_jvm_flags_array = NULL; | |
| 63 int Arguments::_num_jvm_flags = 0; | |
| 64 char** Arguments::_jvm_args_array = NULL; | |
| 65 int Arguments::_num_jvm_args = 0; | |
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66 #ifdef GRAAL |
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67 char** Arguments::_graal_args_array = NULL; |
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68 int Arguments::_num_graal_args = 0; |
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69 #endif |
| 0 | 70 char* Arguments::_java_command = NULL; |
| 71 SystemProperty* Arguments::_system_properties = NULL; | |
| 72 const char* Arguments::_gc_log_filename = NULL; | |
| 73 bool Arguments::_has_profile = false; | |
| 74 bool Arguments::_has_alloc_profile = false; | |
| 75 uintx Arguments::_min_heap_size = 0; | |
| 76 Arguments::Mode Arguments::_mode = _mixed; | |
| 77 bool Arguments::_java_compiler = false; | |
| 78 bool Arguments::_xdebug_mode = false; | |
| 79 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
| 80 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
| 81 int Arguments::_sun_java_launcher_pid = -1; | |
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82 bool Arguments::_created_by_gamma_launcher = false; |
| 0 | 83 |
| 84 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
| 85 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 86 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 87 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 88 bool Arguments::_ClipInlining = ClipInlining; | |
| 89 | |
| 90 char* Arguments::SharedArchivePath = NULL; | |
| 91 | |
| 92 AgentLibraryList Arguments::_libraryList; | |
| 93 AgentLibraryList Arguments::_agentList; | |
| 94 | |
| 95 abort_hook_t Arguments::_abort_hook = NULL; | |
| 96 exit_hook_t Arguments::_exit_hook = NULL; | |
| 97 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
| 98 | |
| 99 | |
| 100 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
| 101 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
| 102 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
| 103 SystemProperty *Arguments::_java_library_path = NULL; | |
| 104 SystemProperty *Arguments::_java_home = NULL; | |
| 105 SystemProperty *Arguments::_java_class_path = NULL; | |
| 106 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
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107 #ifdef GRAAL |
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108 SystemProperty *Arguments::_compiler_class_path = NULL; |
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109 #endif |
| 0 | 110 |
| 111 char* Arguments::_meta_index_path = NULL; | |
| 112 char* Arguments::_meta_index_dir = NULL; | |
| 113 | |
| 114 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
| 115 | |
| 116 static bool match_option(const JavaVMOption *option, const char* name, | |
| 117 const char** tail) { | |
| 118 int len = (int)strlen(name); | |
| 119 if (strncmp(option->optionString, name, len) == 0) { | |
| 120 *tail = option->optionString + len; | |
| 121 return true; | |
| 122 } else { | |
| 123 return false; | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 static void logOption(const char* opt) { | |
| 128 if (PrintVMOptions) { | |
| 129 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 // Process java launcher properties. | |
| 134 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
| 135 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
| 136 // Must do this before setting up other system properties, | |
| 137 // as some of them may depend on launcher type. | |
| 138 for (int index = 0; index < args->nOptions; index++) { | |
| 139 const JavaVMOption* option = args->options + index; | |
| 140 const char* tail; | |
| 141 | |
| 142 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
| 143 process_java_launcher_argument(tail, option->extraInfo); | |
| 144 continue; | |
| 145 } | |
| 146 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
| 147 _sun_java_launcher_pid = atoi(tail); | |
| 148 continue; | |
| 149 } | |
| 150 } | |
| 151 } | |
| 152 | |
| 153 // Initialize system properties key and value. | |
| 154 void Arguments::init_system_properties() { | |
| 155 | |
| 156 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
| 157 "Java Virtual Machine Specification", false)); | |
| 158 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
| 159 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
| 160 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
| 161 | |
| 162 // following are JVMTI agent writeable properties. | |
| 163 // Properties values are set to NULL and they are | |
| 164 // os specific they are initialized in os::init_system_properties_values(). | |
| 165 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
| 166 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
| 167 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
| 168 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
| 169 _java_home = new SystemProperty("java.home", NULL, true); | |
| 170 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
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171 #ifdef GRAAL |
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172 _compiler_class_path = new SystemProperty("compiler.class.path", NULL, true); |
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173 #endif |
| 0 | 174 |
| 175 _java_class_path = new SystemProperty("java.class.path", "", true); | |
| 176 | |
| 177 // Add to System Property list. | |
| 178 PropertyList_add(&_system_properties, _java_ext_dirs); | |
| 179 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
| 180 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
| 181 PropertyList_add(&_system_properties, _java_library_path); | |
| 182 PropertyList_add(&_system_properties, _java_home); | |
| 183 PropertyList_add(&_system_properties, _java_class_path); | |
| 184 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
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185 #ifdef GRAAL |
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186 PropertyList_add(&_system_properties, _compiler_class_path); |
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187 #endif |
| 0 | 188 |
| 189 // Set OS specific system properties values | |
| 190 os::init_system_properties_values(); | |
| 191 } | |
| 192 | |
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193 |
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194 // Update/Initialize System properties after JDK version number is known |
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195 void Arguments::init_version_specific_system_properties() { |
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196 enum { bufsz = 16 }; |
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197 char buffer[bufsz]; |
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198 const char* spec_vendor = "Sun Microsystems Inc."; |
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199 uint32_t spec_version = 0; |
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200 |
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201 if (JDK_Version::is_gte_jdk17x_version()) { |
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202 spec_vendor = "Oracle Corporation"; |
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203 spec_version = JDK_Version::current().major_version(); |
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204 } |
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205 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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206 |
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207 PropertyList_add(&_system_properties, |
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208 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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209 PropertyList_add(&_system_properties, |
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210 new SystemProperty("java.vm.specification.version", buffer, false)); |
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211 PropertyList_add(&_system_properties, |
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212 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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213 } |
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214 |
| 242 | 215 /** |
| 216 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
| 217 * When a flag is eliminated, it can be added to this list in order to | |
| 218 * continue accepting this flag on the command-line, while issuing a warning | |
| 219 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
| 220 * limit, we flatly refuse to admit the existence of the flag. This allows | |
| 221 * a flag to die correctly over JDK releases using HSX. | |
| 222 */ | |
| 223 typedef struct { | |
| 224 const char* name; | |
| 225 JDK_Version obsoleted_in; // when the flag went away | |
| 226 JDK_Version accept_until; // which version to start denying the existence | |
| 227 } ObsoleteFlag; | |
| 0 | 228 |
| 242 | 229 static ObsoleteFlag obsolete_jvm_flags[] = { |
| 230 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 231 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 232 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 233 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 234 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 235 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 236 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 237 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 238 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 239 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 240 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 241 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 242 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 243 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
| 1064 | 244 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
| 245 { "DefaultInitialRAMFraction", | |
| 246 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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247 { "UseDepthFirstScavengeOrder", |
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248 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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249 { "HandlePromotionFailure", |
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250 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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251 { "MaxLiveObjectEvacuationRatio", |
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252 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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253 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
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254 { "UseParallelOldGCCompacting", |
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255 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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256 { "UseParallelDensePrefixUpdate", |
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257 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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258 { "UseParallelOldGCDensePrefix", |
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259 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
| 2460 | 260 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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261 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
|
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262 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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263 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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264 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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265 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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266 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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267 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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268 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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269 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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270 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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271 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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272 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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273 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 6916 | 274 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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275 #ifdef PRODUCT |
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276 { "DesiredMethodLimit", |
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277 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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278 #endif // PRODUCT |
| 242 | 279 { NULL, JDK_Version(0), JDK_Version(0) } |
| 280 }; | |
| 281 | |
| 282 // Returns true if the flag is obsolete and fits into the range specified | |
| 283 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 284 // value is filled in with the version number when the flag became | |
| 285 // obsolete so that that value can be displayed to the user. | |
| 286 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 287 int i = 0; |
| 242 | 288 assert(version != NULL, "Must provide a version buffer"); |
| 289 while (obsolete_jvm_flags[i].name != NULL) { | |
| 290 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 291 // <flag>=xxx form |
| 292 // [-|+]<flag> form | |
| 242 | 293 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 294 ((s[0] == '+' || s[0] == '-') && |
| 242 | 295 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 296 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 297 *version = flag_status.obsoleted_in; | |
| 298 return true; | |
| 299 } | |
| 0 | 300 } |
| 301 i++; | |
| 302 } | |
| 303 return false; | |
| 304 } | |
| 305 | |
| 306 // Constructs the system class path (aka boot class path) from the following | |
| 307 // components, in order: | |
| 308 // | |
| 309 // prefix // from -Xbootclasspath/p:... | |
| 310 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 311 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 312 // suffix // from -Xbootclasspath/a:... | |
| 313 // | |
| 314 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 315 // directories are added to the sysclasspath just before the base. | |
| 316 // | |
| 317 // This could be AllStatic, but it isn't needed after argument processing is | |
| 318 // complete. | |
| 319 class SysClassPath: public StackObj { | |
| 320 public: | |
| 321 SysClassPath(const char* base); | |
| 322 ~SysClassPath(); | |
| 323 | |
| 324 inline void set_base(const char* base); | |
| 325 inline void add_prefix(const char* prefix); | |
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326 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 327 inline void add_suffix(const char* suffix); |
| 328 inline void reset_path(const char* base); | |
| 329 | |
| 330 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 331 // property. Must be called after all command-line arguments have been | |
| 332 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 333 // combined_path(). | |
| 334 void expand_endorsed(); | |
| 335 | |
| 336 inline const char* get_base() const { return _items[_scp_base]; } | |
| 337 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 338 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 339 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 340 | |
| 341 // Combine all the components into a single c-heap-allocated string; caller | |
| 342 // must free the string if/when no longer needed. | |
| 343 char* combined_path(); | |
| 344 | |
| 345 private: | |
| 346 // Utility routines. | |
| 347 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 348 static char* add_jars_to_path(char* path, const char* directory); | |
| 349 | |
| 350 inline void reset_item_at(int index); | |
| 351 | |
| 352 // Array indices for the items that make up the sysclasspath. All except the | |
| 353 // base are allocated in the C heap and freed by this class. | |
| 354 enum { | |
| 355 _scp_prefix, // from -Xbootclasspath/p:... | |
| 356 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 357 _scp_base, // the default sysclasspath | |
| 358 _scp_suffix, // from -Xbootclasspath/a:... | |
| 359 _scp_nitems // the number of items, must be last. | |
| 360 }; | |
| 361 | |
| 362 const char* _items[_scp_nitems]; | |
| 363 DEBUG_ONLY(bool _expansion_done;) | |
| 364 }; | |
| 365 | |
| 366 SysClassPath::SysClassPath(const char* base) { | |
| 367 memset(_items, 0, sizeof(_items)); | |
| 368 _items[_scp_base] = base; | |
| 369 DEBUG_ONLY(_expansion_done = false;) | |
| 370 } | |
| 371 | |
| 372 SysClassPath::~SysClassPath() { | |
| 373 // Free everything except the base. | |
| 374 for (int i = 0; i < _scp_nitems; ++i) { | |
| 375 if (i != _scp_base) reset_item_at(i); | |
| 376 } | |
| 377 DEBUG_ONLY(_expansion_done = false;) | |
| 378 } | |
| 379 | |
| 380 inline void SysClassPath::set_base(const char* base) { | |
| 381 _items[_scp_base] = base; | |
| 382 } | |
| 383 | |
| 384 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 385 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 386 } | |
| 387 | |
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388 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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389 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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390 } |
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391 |
| 0 | 392 inline void SysClassPath::add_suffix(const char* suffix) { |
| 393 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 394 } | |
| 395 | |
| 396 inline void SysClassPath::reset_item_at(int index) { | |
| 397 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 398 if (_items[index] != NULL) { | |
| 6197 | 399 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 400 _items[index] = NULL; |
| 401 } | |
| 402 } | |
| 403 | |
| 404 inline void SysClassPath::reset_path(const char* base) { | |
| 405 // Clear the prefix and suffix. | |
| 406 reset_item_at(_scp_prefix); | |
| 407 reset_item_at(_scp_suffix); | |
| 408 set_base(base); | |
| 409 } | |
| 410 | |
| 411 //------------------------------------------------------------------------------ | |
| 412 | |
| 413 void SysClassPath::expand_endorsed() { | |
| 414 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 415 | |
| 416 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 417 if (path == NULL) { | |
| 418 path = Arguments::get_endorsed_dir(); | |
| 419 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 420 } | |
| 421 | |
| 422 char* expanded_path = NULL; | |
| 423 const char separator = *os::path_separator(); | |
| 424 const char* const end = path + strlen(path); | |
| 425 while (path < end) { | |
| 426 const char* tmp_end = strchr(path, separator); | |
| 427 if (tmp_end == NULL) { | |
| 428 expanded_path = add_jars_to_path(expanded_path, path); | |
| 429 path = end; | |
| 430 } else { | |
| 6197 | 431 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 432 memcpy(dirpath, path, tmp_end - path); |
| 433 dirpath[tmp_end - path] = '\0'; | |
| 434 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 435 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 436 path = tmp_end + 1; |
| 437 } | |
| 438 } | |
| 439 _items[_scp_endorsed] = expanded_path; | |
| 440 DEBUG_ONLY(_expansion_done = true;) | |
| 441 } | |
| 442 | |
| 443 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 444 // c-heap-allocated string. | |
| 445 char* SysClassPath::combined_path() { | |
| 446 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 447 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 448 | |
| 449 size_t lengths[_scp_nitems]; | |
| 450 size_t total_len = 0; | |
| 451 | |
| 452 const char separator = *os::path_separator(); | |
| 453 | |
| 454 // Get the lengths. | |
| 455 int i; | |
| 456 for (i = 0; i < _scp_nitems; ++i) { | |
| 457 if (_items[i] != NULL) { | |
| 458 lengths[i] = strlen(_items[i]); | |
| 459 // Include space for the separator char (or a NULL for the last item). | |
| 460 total_len += lengths[i] + 1; | |
| 461 } | |
| 462 } | |
| 463 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 464 | |
| 465 // Copy the _items to a single string. | |
| 6197 | 466 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 467 char* cp_tmp = cp; |
| 468 for (i = 0; i < _scp_nitems; ++i) { | |
| 469 if (_items[i] != NULL) { | |
| 470 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 471 cp_tmp += lengths[i]; | |
| 472 *cp_tmp++ = separator; | |
| 473 } | |
| 474 } | |
| 475 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 476 return cp; | |
| 477 } | |
| 478 | |
| 479 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 480 char* | |
| 481 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 482 char *cp; | |
| 483 | |
| 484 assert(str != NULL, "just checking"); | |
| 485 if (path == NULL) { | |
| 486 size_t len = strlen(str) + 1; | |
| 6197 | 487 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 488 memcpy(cp, str, len); // copy the trailing null |
| 489 } else { | |
| 490 const char separator = *os::path_separator(); | |
| 491 size_t old_len = strlen(path); | |
| 492 size_t str_len = strlen(str); | |
| 493 size_t len = old_len + str_len + 2; | |
| 494 | |
| 495 if (prepend) { | |
| 6197 | 496 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 497 char* cp_tmp = cp; |
| 498 memcpy(cp_tmp, str, str_len); | |
| 499 cp_tmp += str_len; | |
| 500 *cp_tmp = separator; | |
| 501 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 502 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 503 } else { |
| 6197 | 504 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 505 char* cp_tmp = cp + old_len; |
| 506 *cp_tmp = separator; | |
| 507 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 508 } | |
| 509 } | |
| 510 return cp; | |
| 511 } | |
| 512 | |
| 513 // Scan the directory and append any jar or zip files found to path. | |
| 514 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 515 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 516 DIR* dir = os::opendir(directory); | |
| 517 if (dir == NULL) return path; | |
| 518 | |
| 519 char dir_sep[2] = { '\0', '\0' }; | |
| 520 size_t directory_len = strlen(directory); | |
| 521 const char fileSep = *os::file_separator(); | |
| 522 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 523 | |
| 524 /* Scan the directory for jars/zips, appending them to path. */ | |
| 525 struct dirent *entry; | |
| 6197 | 526 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 527 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 528 const char* name = entry->d_name; | |
| 529 const char* ext = name + strlen(name) - 4; | |
| 530 bool isJarOrZip = ext > name && | |
| 531 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 532 os::file_name_strcmp(ext, ".zip") == 0); | |
| 533 if (isJarOrZip) { | |
| 6197 | 534 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 535 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 536 path = add_to_path(path, jarpath, false); | |
| 6197 | 537 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 538 } |
| 539 } | |
| 6197 | 540 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 541 os::closedir(dir); |
| 542 return path; | |
| 543 } | |
| 544 | |
| 545 // Parses a memory size specification string. | |
|
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546 static bool atomull(const char *s, julong* result) { |
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547 julong n = 0; |
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548 int args_read = sscanf(s, os::julong_format_specifier(), &n); |
| 0 | 549 if (args_read != 1) { |
| 550 return false; | |
| 551 } | |
| 552 while (*s != '\0' && isdigit(*s)) { | |
| 553 s++; | |
| 554 } | |
| 555 // 4705540: illegal if more characters are found after the first non-digit | |
| 556 if (strlen(s) > 1) { | |
| 557 return false; | |
| 558 } | |
| 559 switch (*s) { | |
| 560 case 'T': case 't': | |
| 561 *result = n * G * K; | |
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562 // Check for overflow. |
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563 if (*result/((julong)G * K) != n) return false; |
| 0 | 564 return true; |
| 565 case 'G': case 'g': | |
| 566 *result = n * G; | |
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567 if (*result/G != n) return false; |
| 0 | 568 return true; |
| 569 case 'M': case 'm': | |
| 570 *result = n * M; | |
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571 if (*result/M != n) return false; |
| 0 | 572 return true; |
| 573 case 'K': case 'k': | |
| 574 *result = n * K; | |
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575 if (*result/K != n) return false; |
| 0 | 576 return true; |
| 577 case '\0': | |
| 578 *result = n; | |
| 579 return true; | |
| 580 default: | |
| 581 return false; | |
| 582 } | |
| 583 } | |
| 584 | |
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585 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 586 if (size < min_size) return arg_too_small; |
| 587 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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588 if (size > max_uintx) return arg_too_big; |
| 0 | 589 return arg_in_range; |
| 590 } | |
| 591 | |
| 592 // Describe an argument out of range error | |
| 593 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 594 switch(errcode) { | |
| 595 case arg_too_big: | |
| 596 jio_fprintf(defaultStream::error_stream(), | |
| 597 "The specified size exceeds the maximum " | |
| 598 "representable size.\n"); | |
| 599 break; | |
| 600 case arg_too_small: | |
| 601 case arg_unreadable: | |
| 602 case arg_in_range: | |
| 603 // do nothing for now | |
| 604 break; | |
| 605 default: | |
| 606 ShouldNotReachHere(); | |
| 607 } | |
| 608 } | |
| 609 | |
| 610 static bool set_bool_flag(char* name, bool value, FlagValueOrigin origin) { | |
| 611 return CommandLineFlags::boolAtPut(name, &value, origin); | |
| 612 } | |
| 613 | |
| 614 static bool set_fp_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
| 615 double v; | |
| 616 if (sscanf(value, "%lf", &v) != 1) { | |
| 617 return false; | |
| 618 } | |
| 619 | |
| 620 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 621 return true; | |
| 622 } | |
| 623 return false; | |
| 624 } | |
| 625 | |
| 626 static bool set_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
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627 julong v; |
| 0 | 628 intx intx_v; |
| 629 bool is_neg = false; | |
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630 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 631 if (*value == '-') { |
| 632 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 633 return false; | |
| 634 } | |
| 635 value++; | |
| 636 is_neg = true; | |
| 637 } | |
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638 if (!atomull(value, &v)) { |
| 0 | 639 return false; |
| 640 } | |
| 641 intx_v = (intx) v; | |
| 642 if (is_neg) { | |
| 643 intx_v = -intx_v; | |
| 644 } | |
| 645 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 646 return true; | |
| 647 } | |
| 648 uintx uintx_v = (uintx) v; | |
| 649 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 650 return true; | |
| 651 } | |
| 1064 | 652 uint64_t uint64_t_v = (uint64_t) v; |
| 653 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 654 return true; | |
| 655 } | |
| 0 | 656 return false; |
| 657 } | |
| 658 | |
| 659 static bool set_string_flag(char* name, const char* value, FlagValueOrigin origin) { | |
| 660 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; | |
| 661 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 662 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 663 return true; |
| 664 } | |
| 665 | |
| 666 static bool append_to_string_flag(char* name, const char* new_value, FlagValueOrigin origin) { | |
| 667 const char* old_value = ""; | |
| 668 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 669 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 670 size_t new_len = strlen(new_value); | |
| 671 const char* value; | |
| 672 char* free_this_too = NULL; | |
| 673 if (old_len == 0) { | |
| 674 value = new_value; | |
| 675 } else if (new_len == 0) { | |
| 676 value = old_value; | |
| 677 } else { | |
| 6197 | 678 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 679 // each new setting adds another LINE to the switch: |
| 680 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 681 value = buf; | |
| 682 free_this_too = buf; | |
| 683 } | |
| 684 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 685 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 686 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 687 if (free_this_too != NULL) { |
| 688 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 689 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 690 } |
| 691 return true; | |
| 692 } | |
| 693 | |
| 694 bool Arguments::parse_argument(const char* arg, FlagValueOrigin origin) { | |
| 695 | |
| 696 // range of acceptable characters spelled out for portability reasons | |
| 697 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 698 #define BUFLEN 255 | |
| 699 char name[BUFLEN+1]; | |
| 700 char dummy; | |
| 701 | |
| 702 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 703 return set_bool_flag(name, false, origin); | |
| 704 } | |
| 705 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 706 return set_bool_flag(name, true, origin); | |
| 707 } | |
| 708 | |
| 709 char punct; | |
| 710 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 711 const char* value = strchr(arg, '=') + 1; | |
| 712 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 713 if (flag != NULL && flag->is_ccstr()) { | |
| 714 if (flag->ccstr_accumulates()) { | |
| 715 return append_to_string_flag(name, value, origin); | |
| 716 } else { | |
| 717 if (value[0] == '\0') { | |
| 718 value = NULL; | |
| 719 } | |
| 720 return set_string_flag(name, value, origin); | |
| 721 } | |
| 722 } | |
| 723 } | |
| 724 | |
| 725 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 726 const char* value = strchr(arg, '=') + 1; | |
| 727 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 728 if (value[0] == '\0') { | |
| 729 value = NULL; | |
| 730 } | |
| 731 return set_string_flag(name, value, origin); | |
| 732 } | |
| 733 | |
| 734 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 735 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 736 #define NUMBER_RANGE "[0123456789]" | |
| 737 char value[BUFLEN + 1]; | |
| 738 char value2[BUFLEN + 1]; | |
| 739 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 740 // Looks like a floating-point number -- try again with more lenient format string | |
| 741 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 742 return set_fp_numeric_flag(name, value, origin); | |
| 743 } | |
| 744 } | |
| 745 | |
| 746 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 747 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 748 return set_numeric_flag(name, value, origin); | |
| 749 } | |
| 750 | |
| 751 return false; | |
| 752 } | |
| 753 | |
| 754 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 755 assert(bldarray != NULL, "illegal argument"); | |
| 756 | |
| 757 if (arg == NULL) { | |
| 758 return; | |
| 759 } | |
| 760 | |
| 761 int index = *count; | |
| 762 | |
| 763 // expand the array and add arg to the last element | |
| 764 (*count)++; | |
| 765 if (*bldarray == NULL) { | |
| 6197 | 766 *bldarray = NEW_C_HEAP_ARRAY(char*, *count, mtInternal); |
| 0 | 767 } else { |
| 6197 | 768 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, *count, mtInternal); |
| 0 | 769 } |
| 770 (*bldarray)[index] = strdup(arg); | |
| 771 } | |
| 772 | |
| 773 void Arguments::build_jvm_args(const char* arg) { | |
| 774 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 775 } | |
| 776 | |
| 777 void Arguments::build_jvm_flags(const char* arg) { | |
| 778 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 779 } | |
|
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780 #ifdef GRAAL |
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781 void Arguments::add_graal_arg(const char* arg) { |
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782 add_string(&_graal_args_array, &_num_graal_args, arg); |
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783 } |
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784 #endif |
| 0 | 785 |
| 786 // utility function to return a string that concatenates all | |
| 787 // strings in a given char** array | |
| 788 const char* Arguments::build_resource_string(char** args, int count) { | |
| 789 if (args == NULL || count == 0) { | |
| 790 return NULL; | |
| 791 } | |
| 792 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 793 for (int i = 1; i < count; i++) { | |
| 794 length += strlen(args[i]) + 1; // add 1 for a space | |
| 795 } | |
| 796 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 797 strcpy(s, args[0]); | |
| 798 for (int j = 1; j < count; j++) { | |
| 799 strcat(s, " "); | |
| 800 strcat(s, args[j]); | |
| 801 } | |
| 802 return (const char*) s; | |
| 803 } | |
| 804 | |
| 805 void Arguments::print_on(outputStream* st) { | |
| 806 st->print_cr("VM Arguments:"); | |
| 807 if (num_jvm_flags() > 0) { | |
| 808 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 809 } | |
| 810 if (num_jvm_args() > 0) { | |
| 811 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 812 } | |
| 813 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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814 if (_java_class_path != NULL) { |
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815 char* path = _java_class_path->value(); |
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816 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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817 } |
| 0 | 818 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 819 } | |
| 820 | |
| 821 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 822 if (_num_jvm_flags > 0) { | |
| 823 for (int i=0; i < _num_jvm_flags; i++) { | |
| 824 st->print("%s ", _jvm_flags_array[i]); | |
| 825 } | |
| 826 st->print_cr(""); | |
| 827 } | |
| 828 } | |
| 829 | |
| 830 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 831 if (_num_jvm_args > 0) { | |
| 832 for (int i=0; i < _num_jvm_args; i++) { | |
| 833 st->print("%s ", _jvm_args_array[i]); | |
| 834 } | |
| 835 st->print_cr(""); | |
| 836 } | |
| 837 } | |
| 838 | |
| 242 | 839 bool Arguments::process_argument(const char* arg, |
| 840 jboolean ignore_unrecognized, FlagValueOrigin origin) { | |
| 841 | |
| 842 JDK_Version since = JDK_Version(); | |
| 0 | 843 |
| 3250 | 844 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 845 return true; | |
| 0 | 846 } |
| 3250 | 847 |
| 848 const char * const argname = *arg == '+' || *arg == '-' ? arg + 1 : arg; | |
| 849 if (is_newly_obsolete(arg, &since)) { | |
| 850 char version[256]; | |
| 851 since.to_string(version, sizeof(version)); | |
| 852 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 853 return true; | |
| 854 } | |
| 855 | |
|
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856 // For locked flags, report a custom error message if available. |
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857 // Otherwise, report the standard unrecognized VM option. |
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858 |
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859 Flag* locked_flag = Flag::find_flag((char*)argname, strlen(argname), true); |
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860 if (locked_flag != NULL) { |
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861 char locked_message_buf[BUFLEN]; |
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862 locked_flag->get_locked_message(locked_message_buf, BUFLEN); |
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863 if (strlen(locked_message_buf) == 0) { |
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864 jio_fprintf(defaultStream::error_stream(), |
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865 "Unrecognized VM option '%s'\n", argname); |
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866 } else { |
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867 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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868 } |
| 6017 | 869 } else { |
| 870 jio_fprintf(defaultStream::error_stream(), | |
| 871 "Unrecognized VM option '%s'\n", argname); | |
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872 } |
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873 |
| 3250 | 874 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 875 return arg[0] == '#'; | |
| 0 | 876 } |
| 877 | |
| 878 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 879 FILE* stream = fopen(file_name, "rb"); | |
| 880 if (stream == NULL) { | |
| 881 if (should_exist) { | |
| 882 jio_fprintf(defaultStream::error_stream(), | |
| 883 "Could not open settings file %s\n", file_name); | |
| 884 return false; | |
| 885 } else { | |
| 886 return true; | |
| 887 } | |
| 888 } | |
| 889 | |
| 890 char token[1024]; | |
| 891 int pos = 0; | |
| 892 | |
| 893 bool in_white_space = true; | |
| 894 bool in_comment = false; | |
| 895 bool in_quote = false; | |
| 896 char quote_c = 0; | |
| 897 bool result = true; | |
| 898 | |
| 899 int c = getc(stream); | |
| 6901 | 900 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 901 if (in_white_space) { |
| 902 if (in_comment) { | |
| 903 if (c == '\n') in_comment = false; | |
| 904 } else { | |
| 905 if (c == '#') in_comment = true; | |
| 906 else if (!isspace(c)) { | |
| 907 in_white_space = false; | |
| 908 token[pos++] = c; | |
| 909 } | |
| 910 } | |
| 911 } else { | |
| 912 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 913 // token ends at newline, or at unquoted whitespace | |
| 914 // this allows a way to include spaces in string-valued options | |
| 915 token[pos] = '\0'; | |
| 916 logOption(token); | |
| 917 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 918 build_jvm_flags(token); | |
| 919 pos = 0; | |
| 920 in_white_space = true; | |
| 921 in_quote = false; | |
| 922 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 923 in_quote = true; | |
| 924 quote_c = c; | |
| 925 } else if (in_quote && (c == quote_c)) { | |
| 926 in_quote = false; | |
| 927 } else { | |
| 928 token[pos++] = c; | |
| 929 } | |
| 930 } | |
| 931 c = getc(stream); | |
| 932 } | |
| 933 if (pos > 0) { | |
| 934 token[pos] = '\0'; | |
| 935 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 936 build_jvm_flags(token); | |
| 937 } | |
| 938 fclose(stream); | |
| 939 return result; | |
| 940 } | |
| 941 | |
| 942 //============================================================================================================= | |
| 943 // Parsing of properties (-D) | |
| 944 | |
| 945 const char* Arguments::get_property(const char* key) { | |
| 946 return PropertyList_get_value(system_properties(), key); | |
| 947 } | |
| 948 | |
| 949 bool Arguments::add_property(const char* prop) { | |
| 950 const char* eq = strchr(prop, '='); | |
| 951 char* key; | |
| 952 // ns must be static--its address may be stored in a SystemProperty object. | |
| 953 const static char ns[1] = {0}; | |
| 954 char* value = (char *)ns; | |
| 955 | |
| 956 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 957 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 958 strncpy(key, prop, key_len); |
| 959 key[key_len] = '\0'; | |
| 960 | |
| 961 if (eq != NULL) { | |
| 962 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 963 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 964 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 965 } | |
| 966 | |
| 967 if (strcmp(key, "java.compiler") == 0) { | |
| 968 process_java_compiler_argument(value); | |
| 969 FreeHeap(key); | |
| 970 if (eq != NULL) { | |
| 971 FreeHeap(value); | |
| 972 } | |
| 973 return true; | |
| 691 | 974 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 975 _java_command = value; |
| 976 | |
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977 // Record value in Arguments, but let it get passed to Java. |
| 691 | 978 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 0 | 979 // launcher.pid property is private and is processed |
| 980 // in process_sun_java_launcher_properties(); | |
| 981 // the sun.java.launcher property is passed on to the java application | |
| 982 FreeHeap(key); | |
| 983 if (eq != NULL) { | |
| 984 FreeHeap(value); | |
| 985 } | |
| 986 return true; | |
| 691 | 987 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 988 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 989 // its value without going through the property list or making a Java call. | |
| 990 _java_vendor_url_bug = value; | |
| 691 | 991 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 992 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 993 return true; | |
| 0 | 994 } |
| 995 // Create new property and add at the end of the list | |
| 996 PropertyList_unique_add(&_system_properties, key, value); | |
| 997 return true; | |
| 998 } | |
| 999 | |
| 1000 //=========================================================================================================== | |
| 1001 // Setting int/mixed/comp mode flags | |
| 1002 | |
| 1003 void Arguments::set_mode_flags(Mode mode) { | |
| 1004 // Set up default values for all flags. | |
| 1005 // If you add a flag to any of the branches below, | |
| 1006 // add a default value for it here. | |
| 1007 set_java_compiler(false); | |
| 1008 _mode = mode; | |
| 1009 | |
| 1010 // Ensure Agent_OnLoad has the correct initial values. | |
| 1011 // This may not be the final mode; mode may change later in onload phase. | |
| 1012 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1013 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1014 |
| 1015 UseInterpreter = true; | |
| 1016 UseCompiler = true; | |
| 1017 UseLoopCounter = true; | |
| 1018 | |
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1019 #ifndef ZERO |
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1020 // Turn these off for mixed and comp. Leave them on for Zero. |
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1021 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
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1022 UseFastAccessorMethods = (mode == _int); |
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1023 } |
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1024 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1025 UseFastEmptyMethods = (mode == _int); |
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1026 } |
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1027 #endif |
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1028 |
| 0 | 1029 // Default values may be platform/compiler dependent - |
| 1030 // use the saved values | |
| 1031 ClipInlining = Arguments::_ClipInlining; | |
| 1032 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1033 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1034 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1035 | |
| 1036 // Change from defaults based on mode | |
| 1037 switch (mode) { | |
| 1038 default: | |
| 1039 ShouldNotReachHere(); | |
| 1040 break; | |
| 1041 case _int: | |
| 1042 UseCompiler = false; | |
| 1043 UseLoopCounter = false; | |
| 1044 AlwaysCompileLoopMethods = false; | |
| 1045 UseOnStackReplacement = false; | |
| 1046 break; | |
| 1047 case _mixed: | |
| 1048 // same as default | |
| 1049 break; | |
| 1050 case _comp: | |
| 1051 UseInterpreter = false; | |
| 1052 BackgroundCompilation = false; | |
| 1053 ClipInlining = false; | |
|
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1054 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1055 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1056 // compile a level 4 (C2) and then continue executing it. |
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1057 if (TieredCompilation) { |
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1058 Tier3InvokeNotifyFreqLog = 0; |
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1059 Tier4InvocationThreshold = 0; |
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1060 } |
| 0 | 1061 break; |
| 1062 } | |
| 1063 } | |
| 1064 | |
| 1065 // Conflict: required to use shared spaces (-Xshare:on), but | |
| 1066 // incompatible command line options were chosen. | |
| 1067 | |
| 1068 static void no_shared_spaces() { | |
| 1069 if (RequireSharedSpaces) { | |
| 1070 jio_fprintf(defaultStream::error_stream(), | |
| 1071 "Class data sharing is inconsistent with other specified options.\n"); | |
| 1072 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
| 1073 } else { | |
| 1074 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1075 } | |
| 1076 } | |
| 1077 | |
| 1783 | 1078 void Arguments::set_tiered_flags() { |
|
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1079 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1080 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
|
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1081 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1082 } |
| 1083 if (CompilationPolicyChoice < 2) { | |
| 1084 vm_exit_during_initialization( | |
| 1085 "Incompatible compilation policy selected", NULL); | |
| 1086 } | |
|
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1087 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1088 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
| 1089 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 2); | |
| 1090 } | |
| 1091 } | |
| 1092 | |
|
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1093 #if INCLUDE_ALTERNATE_GCS |
| 4838 | 1094 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1095 if (UseAdaptiveSizePolicy) { | |
| 1096 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1097 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1098 collector_name); | |
| 1099 } | |
| 1100 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1101 } | |
| 1102 } | |
| 1103 | |
| 0 | 1104 // If the user has chosen ParallelGCThreads > 0, we set UseParNewGC |
| 1105 // if it's not explictly set or unset. If the user has chosen | |
| 1106 // UseParNewGC and not explicitly set ParallelGCThreads we | |
| 1107 // set it, unless this is a single cpu machine. | |
| 1108 void Arguments::set_parnew_gc_flags() { | |
| 1064 | 1109 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
|
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1110 "control point invariant"); |
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1111 assert(UseParNewGC, "Error"); |
| 0 | 1112 |
| 4838 | 1113 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1114 disable_adaptive_size_policy("UseParNewGC"); | |
|
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1115 |
|
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1116 if (ParallelGCThreads == 0) { |
|
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1117 FLAG_SET_DEFAULT(ParallelGCThreads, |
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1118 Abstract_VM_Version::parallel_worker_threads()); |
| 1064 | 1119 if (ParallelGCThreads == 1) { |
| 0 | 1120 FLAG_SET_DEFAULT(UseParNewGC, false); |
| 1064 | 1121 FLAG_SET_DEFAULT(ParallelGCThreads, 0); |
| 0 | 1122 } |
| 1123 } | |
| 1064 | 1124 if (UseParNewGC) { |
| 695 | 1125 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
| 0 | 1126 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
| 1127 // we set them to 1024 and 1024. | |
| 1128 // See CR 6362902. | |
| 1129 if (FLAG_IS_DEFAULT(YoungPLABSize)) { | |
| 1130 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); | |
| 1131 } | |
| 1132 if (FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1133 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); | |
| 1134 } | |
| 1135 | |
| 1064 | 1136 // AlwaysTenure flag should make ParNew promote all at first collection. |
| 0 | 1137 // See CR 6362902. |
| 1138 if (AlwaysTenure) { | |
| 6818 | 1139 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
| 0 | 1140 } |
| 695 | 1141 // When using compressed oops, we use local overflow stacks, |
| 1142 // rather than using a global overflow list chained through | |
| 1143 // the klass word of the object's pre-image. | |
| 1144 if (UseCompressedOops && !ParGCUseLocalOverflow) { | |
| 1145 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { | |
| 1146 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); | |
| 1147 } | |
| 1148 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); | |
| 1149 } | |
| 1150 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); | |
| 0 | 1151 } |
| 1152 } | |
| 1153 | |
| 1154 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1155 // sparc/solaris for certain applications, but would gain from | |
| 1156 // further optimization and tuning efforts, and would almost | |
| 1157 // certainly gain from analysis of platform and environment. | |
| 1158 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1159 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1160 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1161 |
| 0 | 1162 // If we are using CMS, we prefer to UseParNewGC, |
| 1163 // unless explicitly forbidden. | |
|
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1164 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1165 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1166 } |
| 1167 | |
|
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1168 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1169 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1170 |
| 1171 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1172 // as needed. | |
|
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1173 if (UseParNewGC) { |
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1174 set_parnew_gc_flags(); |
| 0 | 1175 } |
| 1176 | |
|
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1177 // MaxHeapSize is aligned down in collectorPolicy |
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1178 size_t max_heap = align_size_down(MaxHeapSize, |
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1179 CardTableRS::ct_max_alignment_constraint()); |
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1180 |
| 0 | 1181 // Now make adjustments for CMS |
|
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1182 intx tenuring_default = (intx)6; |
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1183 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1184 |
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1185 // Preferred young gen size for "short" pauses: |
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1186 // upper bound depends on # of threads and NewRatio. |
| 0 | 1187 const uintx parallel_gc_threads = |
| 1188 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1189 const size_t preferred_max_new_size_unaligned = | |
|
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1190 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1191 size_t preferred_max_new_size = |
| 0 | 1192 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1193 | |
| 1194 // Unless explicitly requested otherwise, size young gen | |
|
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1195 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1196 |
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1197 // If either MaxNewSize or NewRatio is set on the command line, |
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1198 // assume the user is trying to set the size of the young gen. |
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1199 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1200 |
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1201 // Set MaxNewSize to our calculated preferred_max_new_size unless |
|
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1202 // NewSize was set on the command line and it is larger than |
|
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1203 // preferred_max_new_size. |
| 0 | 1204 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1205 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1206 } else { |
|
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1207 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1208 } |
| 1064 | 1209 if (PrintGCDetails && Verbose) { |
|
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1210 // Too early to use gclog_or_tty |
|
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1211 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1212 } |
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1213 |
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1214 // Code along this path potentially sets NewSize and OldSize |
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1215 |
|
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1216 assert(max_heap >= InitialHeapSize, "Error"); |
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1217 assert(max_heap >= NewSize, "Error"); |
| 0 | 1218 |
| 1064 | 1219 if (PrintGCDetails && Verbose) { |
|
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1220 // Too early to use gclog_or_tty |
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1221 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1222 " initial_heap_size: " SIZE_FORMAT |
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1223 " max_heap: " SIZE_FORMAT, |
| 1064 | 1224 min_heap_size(), InitialHeapSize, max_heap); |
|
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1225 } |
|
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1226 size_t min_new = preferred_max_new_size; |
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1227 if (FLAG_IS_CMDLINE(NewSize)) { |
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1228 min_new = NewSize; |
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1229 } |
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1230 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1231 // Unless explicitly requested otherwise, make young gen |
| 1232 // at least min_new, and at most preferred_max_new_size. | |
| 1233 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
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1234 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1235 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1236 if (PrintGCDetails && Verbose) { |
|
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1237 // Too early to use gclog_or_tty |
|
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1238 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
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1239 } |
| 0 | 1240 } |
| 1241 // Unless explicitly requested otherwise, size old gen | |
|
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1242 // so it's NewRatio x of NewSize. |
| 0 | 1243 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1244 if (max_heap > NewSize) { | |
|
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1245 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1246 if (PrintGCDetails && Verbose) { |
|
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1247 // Too early to use gclog_or_tty |
|
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1248 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1249 } |
| 0 | 1250 } |
| 1251 } | |
| 1252 } | |
| 1253 } | |
| 1254 // Unless explicitly requested otherwise, definitely | |
| 1255 // promote all objects surviving "tenuring_default" scavenges. | |
| 1256 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1257 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1258 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1259 } |
| 1260 // If we decided above (or user explicitly requested) | |
| 1261 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1262 // prefer minuscule survivor spaces so as not to waste | |
| 1263 // space for (non-existent) survivors | |
| 1264 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
|
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1265 FLAG_SET_ERGO(intx, SurvivorRatio, MAX2((intx)1024, SurvivorRatio)); |
| 0 | 1266 } |
| 1267 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1268 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1269 // This is done in order to make ParNew+CMS configuration to work | |
| 1270 // with YoungPLABSize and OldPLABSize options. | |
| 1271 // See CR 6362902. | |
| 1272 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1273 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
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1274 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
|
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1275 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
|
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1276 // the value (either from the command line or ergonomics) of |
|
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1277 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
|
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1278 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
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1279 } else { |
| 0 | 1280 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1281 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1282 // we'll let it to take precedence. | |
| 1283 jio_fprintf(defaultStream::error_stream(), | |
|
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1284 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
|
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1285 " options are specified for the CMS collector." |
|
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1286 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1287 } |
| 1288 } | |
|
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1289 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
|
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1290 // OldPLAB sizing manually turned off: Use a larger default setting, |
|
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1291 // unless it was manually specified. This is because a too-low value |
|
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1292 // will slow down scavenges. |
|
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1293 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1294 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1295 } |
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1296 } |
|
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1297 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1298 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
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1299 // If either of the static initialization defaults have changed, note this |
|
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1300 // modification. |
|
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1301 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
|
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1302 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
|
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1303 } |
| 1284 | 1304 if (PrintGCDetails && Verbose) { |
| 1305 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
| 1306 MarkStackSize / K, MarkStackSizeMax / K); | |
| 1307 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
| 1308 } | |
| 0 | 1309 } |
|
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1310 #endif // INCLUDE_ALTERNATE_GCS |
| 0 | 1311 |
|
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1312 void set_object_alignment() { |
|
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1313 // Object alignment. |
|
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1314 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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1315 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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1316 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
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1317 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
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1318 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
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1319 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
|
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1320 |
|
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1321 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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1322 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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1323 |
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1324 // Oop encoding heap max |
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1325 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
|
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1326 |
|
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1327 #if INCLUDE_ALTERNATE_GCS |
|
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1328 // Set CMS global values |
|
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1329 CompactibleFreeListSpace::set_cms_values(); |
|
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1330 #endif // INCLUDE_ALTERNATE_GCS |
|
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1331 } |
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1332 |
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1333 bool verify_object_alignment() { |
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1334 // Object alignment. |
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1335 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
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1336 jio_fprintf(defaultStream::error_stream(), |
|
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1337 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
|
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1338 (int)ObjectAlignmentInBytes); |
|
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1339 return false; |
|
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1340 } |
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1341 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
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1342 jio_fprintf(defaultStream::error_stream(), |
|
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1343 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
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1344 (int)ObjectAlignmentInBytes, BytesPerLong); |
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1345 return false; |
|
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1346 } |
|
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1347 // It does not make sense to have big object alignment |
|
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1348 // since a space lost due to alignment will be greater |
|
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1349 // then a saved space from compressed oops. |
|
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1350 if ((int)ObjectAlignmentInBytes > 256) { |
|
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1351 jio_fprintf(defaultStream::error_stream(), |
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1352 "error: ObjectAlignmentInBytes=%d must not be greater then 256\n", |
|
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1353 (int)ObjectAlignmentInBytes); |
|
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1354 return false; |
|
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1355 } |
|
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1356 // In case page size is very small. |
|
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1357 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
|
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1358 jio_fprintf(defaultStream::error_stream(), |
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1359 "error: ObjectAlignmentInBytes=%d must be less then page size %d\n", |
|
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1360 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
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1361 return false; |
|
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1362 } |
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1363 return true; |
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1364 } |
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1365 |
|
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1366 inline uintx max_heap_for_compressed_oops() { |
| 1963 | 1367 // Avoid sign flip. |
|
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1368 if (OopEncodingHeapMax < ClassMetaspaceSize + os::vm_page_size()) { |
| 1963 | 1369 return 0; |
| 1370 } | |
|
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1371 LP64_ONLY(return OopEncodingHeapMax - ClassMetaspaceSize - os::vm_page_size()); |
| 1064 | 1372 NOT_LP64(ShouldNotReachHere(); return 0); |
|
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1373 } |
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1374 |
| 0 | 1375 bool Arguments::should_auto_select_low_pause_collector() { |
| 1376 if (UseAutoGCSelectPolicy && | |
| 1377 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1378 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1379 if (PrintGCDetails) { | |
| 1380 // Cannot use gclog_or_tty yet. | |
| 1381 tty->print_cr("Automatic selection of the low pause collector" | |
| 1382 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
| 1383 } | |
| 1384 return true; | |
| 1385 } | |
| 1386 return false; | |
| 1387 } | |
| 1388 | |
| 1389 void Arguments::set_ergonomics_flags() { | |
| 1390 | |
| 4946 | 1391 if (os::is_server_class_machine()) { |
| 0 | 1392 // If no other collector is requested explicitly, |
| 1393 // let the VM select the collector based on | |
| 1394 // machine class and automatic selection policy. | |
| 1395 if (!UseSerialGC && | |
| 1396 !UseConcMarkSweepGC && | |
|
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1397 !UseG1GC && |
| 0 | 1398 !UseParNewGC && |
| 1399 FLAG_IS_DEFAULT(UseParallelGC)) { | |
| 1400 if (should_auto_select_low_pause_collector()) { | |
| 1401 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
| 1402 } else { | |
| 1403 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
| 1404 } | |
|
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1405 } |
|
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1406 // Shared spaces work fine with other GCs but causes bytecode rewriting |
|
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1407 // to be disabled, which hurts interpreter performance and decreases |
|
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1408 // server performance. On server class machines, keep the default |
|
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1409 // off unless it is asked for. Future work: either add bytecode rewriting |
|
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1410 // at link time, or rewrite bytecodes in non-shared methods. |
|
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1411 if (!DumpSharedSpaces && !RequireSharedSpaces) { |
| 0 | 1412 no_shared_spaces(); |
| 1413 } | |
| 1414 } | |
|
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1415 |
| 1010 | 1416 #ifndef ZERO |
|
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1417 #ifdef _LP64 |
|
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1418 // Check that UseCompressedOops can be set with the max heap size allocated |
|
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1419 // by ergonomics. |
| 187 | 1420 if (MaxHeapSize <= max_heap_for_compressed_oops()) { |
| 1783 | 1421 #if !defined(COMPILER1) || defined(TIERED) |
| 2228 | 1422 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
| 932 | 1423 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
|
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1424 } |
| 1060 | 1425 #endif |
|
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1426 #ifdef _WIN64 |
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1427 if (UseLargePages && UseCompressedOops) { |
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1428 // Cannot allocate guard pages for implicit checks in indexed addressing |
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1429 // mode, when large pages are specified on windows. |
|
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1430 // This flag could be switched ON if narrow oop base address is set to 0, |
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1431 // see code in Universe::initialize_heap(). |
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1432 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
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1433 } |
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1434 #endif // _WIN64 |
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1435 } else { |
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1436 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
| 344 | 1437 warning("Max heap size too large for Compressed Oops"); |
|
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1438 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
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1439 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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1440 } |
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1441 } |
|
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1442 // UseCompressedOops must be on for UseCompressedKlassPointers to be on. |
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1443 if (!UseCompressedOops) { |
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1444 if (UseCompressedKlassPointers) { |
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1445 warning("UseCompressedKlassPointers requires UseCompressedOops"); |
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1446 } |
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1447 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
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1448 } else { |
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1449 // Turn on UseCompressedKlassPointers too |
|
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1450 if (FLAG_IS_DEFAULT(UseCompressedKlassPointers)) { |
|
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1451 FLAG_SET_ERGO(bool, UseCompressedKlassPointers, true); |
|
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1452 } |
|
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1453 // Set the ClassMetaspaceSize to something that will not need to be |
|
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1454 // expanded, since it cannot be expanded. |
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1455 if (UseCompressedKlassPointers && FLAG_IS_DEFAULT(ClassMetaspaceSize)) { |
|
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1456 // 100,000 classes seems like a good size, so 100M assumes around 1K |
|
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1457 // per klass. The vtable and oopMap is embedded so we don't have a fixed |
|
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1458 // size per klass. Eventually, this will be parameterized because it |
|
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1459 // would also be useful to determine the optimal size of the |
|
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1460 // systemDictionary. |
|
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|
1461 FLAG_SET_ERGO(uintx, ClassMetaspaceSize, 100*M); |
|
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1462 } |
|
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1463 } |
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1464 // Also checks that certain machines are slower with compressed oops |
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1465 // in vm_version initialization code. |
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1466 #endif // _LP64 |
| 1010 | 1467 #endif // !ZERO |
| 0 | 1468 } |
| 1469 | |
| 1470 void Arguments::set_parallel_gc_flags() { | |
|
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1471 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1472 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1473 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1474 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1475 } |
| 4879 | 1476 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1477 |
| 1478 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1479 // of the physical memory, up to a maximum of 1GB. | |
| 1480 if (UseParallelGC) { | |
|
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1481 FLAG_SET_DEFAULT(ParallelGCThreads, |
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1482 Abstract_VM_Version::parallel_worker_threads()); |
|
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1483 |
| 0 | 1484 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
| 1485 // SurvivorRatio has been set, reset their default values to SurvivorRatio + | |
| 1486 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. | |
| 1487 // See CR 6362902 for details. | |
| 1488 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 1489 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { | |
| 1490 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); | |
| 1491 } | |
| 1492 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { | |
| 1493 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); | |
| 1494 } | |
| 1495 } | |
| 1496 | |
| 1497 if (UseParallelOldGC) { | |
| 1498 // Par compact uses lower default values since they are treated as | |
|
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1499 // minimums. These are different defaults because of the different |
|
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1500 // interpretation and are not ergonomically set. |
| 0 | 1501 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
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|
1502 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1503 } |
| 1504 } | |
| 1505 } | |
| 1506 } | |
| 1507 | |
|
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1508 void Arguments::set_g1_gc_flags() { |
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1509 assert(UseG1GC, "Error"); |
|
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1510 #if defined(COMPILER1) || defined(GRAAL) |
|
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1511 FastTLABRefill = false; |
|
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1512 #endif |
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1513 FLAG_SET_DEFAULT(ParallelGCThreads, |
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1514 Abstract_VM_Version::parallel_worker_threads()); |
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1515 if (ParallelGCThreads == 0) { |
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1516 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1517 Abstract_VM_Version::parallel_worker_threads()); |
|
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1518 } |
| 751 | 1519 |
| 1284 | 1520 if (FLAG_IS_DEFAULT(MarkStackSize)) { |
|
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|
1521 FLAG_SET_DEFAULT(MarkStackSize, 128 * TASKQUEUE_SIZE); |
| 1284 | 1522 } |
| 1523 if (PrintGCDetails && Verbose) { | |
| 1524 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
| 1525 MarkStackSize / K, MarkStackSizeMax / K); | |
| 1526 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
| 1527 } | |
| 1356 | 1528 |
| 1529 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1530 // In G1, we want the default GC overhead goal to be higher than | |
| 1531 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1532 // be expanded more aggressively than we would like it to. In | |
| 1533 // fact, even 10% seems to not be high enough in some cases | |
| 1534 // (especially small GC stress tests that the main thing they do | |
| 1535 // is allocation). We might consider increase it further. | |
| 1536 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1537 } | |
|
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1538 } |
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1539 |
| 1064 | 1540 void Arguments::set_heap_size() { |
| 1541 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1542 // Deprecated flag | |
| 1543 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1544 } | |
| 1545 | |
| 1546 const julong phys_mem = | |
| 1547 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1548 : (julong)MaxRAM; | |
| 1549 | |
| 1550 // If the maximum heap size has not been set with -Xmx, | |
| 1551 // then set it as fraction of the size of physical memory, | |
| 1552 // respecting the maximum and minimum sizes of the heap. | |
|
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1553 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1554 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1555 | |
| 1556 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1557 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1558 reasonable_max = phys_mem / MinRAMFraction; | |
| 1559 } else { | |
| 1560 // Not-small physical memory, so require a heap at least | |
| 1561 // as large as MaxHeapSize | |
| 1562 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1563 } | |
| 1564 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1565 // Limit the heap size to ErgoHeapSizeLimit | |
| 1566 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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1567 } |
| 1064 | 1568 if (UseCompressedOops) { |
| 1569 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1570 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1571 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1572 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1573 // but it should be not less than default MaxHeapSize. | |
| 1574 max_coop_heap -= HeapBaseMinAddress; | |
| 1575 } | |
| 1576 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1577 } |
| 1578 reasonable_max = os::allocatable_physical_memory(reasonable_max); | |
| 1579 | |
| 1580 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1581 // An initial heap size was specified on the command line, | |
| 1582 // so be sure that the maximum size is consistent. Done | |
| 1583 // after call to allocatable_physical_memory because that | |
| 1584 // method might reduce the allocation size. | |
| 1585 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1586 } | |
| 1587 | |
|
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1588 if (PrintGCDetails && Verbose) { |
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1589 // Cannot use gclog_or_tty yet. |
| 1064 | 1590 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
|
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1591 } |
| 1064 | 1592 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1593 } | |
| 1594 | |
| 1595 // If the initial_heap_size has not been set with InitialHeapSize | |
| 1596 // or -Xms, then set it as fraction of the size of physical memory, | |
| 1597 // respecting the maximum and minimum sizes of the heap. | |
| 1598 if (FLAG_IS_DEFAULT(InitialHeapSize)) { | |
|
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1599 julong reasonable_minimum = (julong)(OldSize + NewSize); |
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1600 |
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1601 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
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1602 |
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1603 reasonable_minimum = os::allocatable_physical_memory(reasonable_minimum); |
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1604 |
| 1064 | 1605 julong reasonable_initial = phys_mem / InitialRAMFraction; |
| 1606 | |
|
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1607 reasonable_initial = MAX2(reasonable_initial, reasonable_minimum); |
| 1064 | 1608 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
| 1609 | |
| 1610 reasonable_initial = os::allocatable_physical_memory(reasonable_initial); | |
| 1611 | |
| 1612 if (PrintGCDetails && Verbose) { | |
| 1613 // Cannot use gclog_or_tty yet. | |
| 1614 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); | |
|
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1615 tty->print_cr(" Minimum heap size " SIZE_FORMAT, (uintx)reasonable_minimum); |
|
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1616 } |
| 1064 | 1617 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
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|
1618 set_min_heap_size((uintx)reasonable_minimum); |
|
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1619 } |
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1620 } |
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1621 |
| 0 | 1622 // This must be called after ergonomics because we want bytecode rewriting |
| 1623 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1624 void Arguments::set_bytecode_flags() { | |
| 1625 // Better not attempt to store into a read-only space. | |
| 1626 if (UseSharedSpaces) { | |
| 1627 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1628 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1629 } | |
| 1630 | |
| 1631 if (!RewriteBytecodes) { | |
| 1632 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1633 } | |
| 1634 } | |
| 1635 | |
| 1636 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1637 void Arguments::set_aggressive_opts_flags() { | |
|
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1638 #ifdef COMPILER2 |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1639 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1640 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1641 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1642 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1643 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1644 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1645 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1646 |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1647 // Feed the cache size setting into the JDK |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1648 char buffer[1024]; |
|
513
2328d1d3f8cf
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
489
diff
changeset
|
1649 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1650 add_property(buffer); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1651 } |
|
416
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1652 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1653 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1654 } |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1655 #endif |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1656 |
| 0 | 1657 if (AggressiveOpts) { |
| 61 | 1658 // Sample flag setting code |
| 1659 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1660 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1661 // } | |
| 0 | 1662 } |
| 1663 } | |
| 1664 | |
| 1665 //=========================================================================================================== | |
| 1666 // Parsing of java.compiler property | |
| 1667 | |
| 1668 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1669 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1670 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1671 // is also specified. | |
| 1672 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1673 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1674 } | |
| 1675 } | |
| 1676 | |
| 1677 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1678 _sun_java_launcher = strdup(launcher); | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1679 if (strcmp("gamma", _sun_java_launcher) == 0) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1680 _created_by_gamma_launcher = true; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1681 } |
| 0 | 1682 } |
| 1683 | |
| 1684 bool Arguments::created_by_java_launcher() { | |
| 1685 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1686 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1687 } | |
| 1688 | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1689 bool Arguments::created_by_gamma_launcher() { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1690 return _created_by_gamma_launcher; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1691 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1692 |
| 0 | 1693 //=========================================================================================================== |
| 1694 // Parsing of main arguments | |
| 1695 | |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1696 bool Arguments::verify_interval(uintx val, uintx min, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1697 uintx max, const char* name) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1698 // Returns true iff value is in the inclusive interval [min..max] |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1699 // false, otherwise. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1700 if (val >= min && val <= max) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1701 return true; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1702 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1703 jio_fprintf(defaultStream::error_stream(), |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1704 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1705 " and " UINTX_FORMAT "\n", |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1706 name, val, min, max); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1707 return false; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1708 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1709 |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1710 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1711 // Returns true if given value is at least specified min threshold |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1712 // false, otherwise. |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1713 if (val >= min ) { |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1714 return true; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1715 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1716 jio_fprintf(defaultStream::error_stream(), |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1717 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1718 name, val, min); |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1719 return false; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1720 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1721 |
| 0 | 1722 bool Arguments::verify_percentage(uintx value, const char* name) { |
| 1723 if (value <= 100) { | |
| 1724 return true; | |
| 1725 } | |
| 1726 jio_fprintf(defaultStream::error_stream(), | |
| 1727 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1728 name, value); | |
| 1729 return false; | |
| 1730 } | |
| 1731 | |
| 1064 | 1732 static void force_serial_gc() { |
| 0 | 1733 FLAG_SET_DEFAULT(UseSerialGC, true); |
| 1734 FLAG_SET_DEFAULT(UseParNewGC, false); | |
| 1735 FLAG_SET_DEFAULT(UseConcMarkSweepGC, false); | |
|
945
68ef3fdcdb76
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
932
diff
changeset
|
1736 FLAG_SET_DEFAULT(CMSIncrementalMode, false); // special CMS suboption |
| 0 | 1737 FLAG_SET_DEFAULT(UseParallelGC, false); |
| 1738 FLAG_SET_DEFAULT(UseParallelOldGC, false); | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1739 FLAG_SET_DEFAULT(UseG1GC, false); |
| 0 | 1740 } |
| 1741 | |
| 1742 static bool verify_serial_gc_flags() { | |
| 1743 return (UseSerialGC && | |
|
945
68ef3fdcdb76
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
932
diff
changeset
|
1744 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1745 UseParallelGC || UseParallelOldGC)); |
| 0 | 1746 } |
| 1747 | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1748 // check if do gclog rotation |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1749 // +UseGCLogFileRotation is a must, |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1750 // no gc log rotation when log file not supplied or |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1751 // NumberOfGCLogFiles is 0, or GCLogFileSize is 0 |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1752 void check_gclog_consistency() { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1753 if (UseGCLogFileRotation) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1754 if ((Arguments::gc_log_filename() == NULL) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1755 (NumberOfGCLogFiles == 0) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1756 (GCLogFileSize == 0)) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1757 jio_fprintf(defaultStream::output_stream(), |
|
3769
ef2d1b8f2dd4
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
3767
diff
changeset
|
1758 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files> -XX:GCLogFileSize=<num_of_size>\n" |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1759 "where num_of_file > 0 and num_of_size > 0\n" |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1760 "GC log rotation is turned off\n"); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1761 UseGCLogFileRotation = false; |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1762 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1763 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1764 |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1765 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1766 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1767 jio_fprintf(defaultStream::output_stream(), |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1768 "GCLogFileSize changed to minimum 8K\n"); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1769 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1770 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1771 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1772 // Check consistency of GC selection |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1773 bool Arguments::check_gc_consistency() { |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1774 check_gclog_consistency(); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1775 bool status = true; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1776 // Ensure that the user has not selected conflicting sets |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1777 // of collectors. [Note: this check is merely a user convenience; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1778 // collectors over-ride each other so that only a non-conflicting |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1779 // set is selected; however what the user gets is not what they |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1780 // may have expected from the combination they asked for. It's |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1781 // better to reduce user confusion by not allowing them to |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1782 // select conflicting combinations. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1783 uint i = 0; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1784 if (UseSerialGC) i++; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1785 if (UseConcMarkSweepGC || UseParNewGC) i++; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1786 if (UseParallelGC || UseParallelOldGC) i++; |
|
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
1787 if (UseG1GC) i++; |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1788 if (i > 1) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1789 jio_fprintf(defaultStream::error_stream(), |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1790 "Conflicting collector combinations in option list; " |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1791 "please refer to the release notes for the combinations " |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1792 "allowed\n"); |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1793 status = false; |
|
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1794 } |
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|
1795 |
|
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|
1796 return status; |
|
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|
1797 } |
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|
1798 |
|
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1799 // Check stack pages settings |
|
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1800 bool Arguments::check_stack_pages() |
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1801 { |
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1802 bool status = true; |
|
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1803 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
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1804 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
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1805 // greater stack shadow pages can't generate instruction to bang stack |
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1806 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
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1807 return status; |
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1808 } |
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1809 |
| 0 | 1810 // Check the consistency of vm_init_args |
| 1811 bool Arguments::check_vm_args_consistency() { | |
| 1812 // Method for adding checks for flag consistency. | |
| 1813 // The intent is to warn the user of all possible conflicts, | |
| 1814 // before returning an error. | |
| 1815 // Note: Needs platform-dependent factoring. | |
| 1816 bool status = true; | |
| 1817 | |
| 1818 #if ( (defined(COMPILER2) && defined(SPARC))) | |
| 1819 // NOTE: The call to VM_Version_init depends on the fact that VM_Version_init | |
| 1820 // on sparc doesn't require generation of a stub as is the case on, e.g., | |
| 1821 // x86. Normally, VM_Version_init must be called from init_globals in | |
| 1822 // init.cpp, which is called by the initial java thread *after* arguments | |
| 1823 // have been parsed. VM_Version_init gets called twice on sparc. | |
| 1824 extern void VM_Version_init(); | |
| 1825 VM_Version_init(); | |
| 1826 if (!VM_Version::has_v9()) { | |
| 1827 jio_fprintf(defaultStream::error_stream(), | |
| 1828 "V8 Machine detected, Server requires V9\n"); | |
| 1829 status = false; | |
| 1830 } | |
| 1831 #endif /* COMPILER2 && SPARC */ | |
| 1832 | |
| 1833 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 1834 // builds so the cost of stack banging can be measured. | |
| 1835 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 1836 if (!UseBoundThreads && !UseStackBanging) { | |
| 1837 jio_fprintf(defaultStream::error_stream(), | |
| 1838 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 1839 | |
| 1840 status = false; | |
| 1841 } | |
| 1842 #endif | |
| 1843 | |
| 1844 if (TLABRefillWasteFraction == 0) { | |
| 1845 jio_fprintf(defaultStream::error_stream(), | |
| 1846 "TLABRefillWasteFraction should be a denominator, " | |
| 1847 "not " SIZE_FORMAT "\n", | |
| 1848 TLABRefillWasteFraction); | |
| 1849 status = false; | |
| 1850 } | |
| 1851 | |
|
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1852 status = status && verify_percentage(AdaptiveSizePolicyWeight, |
| 0 | 1853 "AdaptiveSizePolicyWeight"); |
|
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1854 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
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1855 status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
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1856 status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); |
| 0 | 1857 |
|
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1858 // Divide by bucket size to prevent a large size from causing rollover when |
|
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1859 // calculating amount of memory needed to be allocated for the String table. |
|
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1860 status = status && verify_interval(StringTableSize, defaultStringTableSize, |
|
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1861 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
|
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1862 |
| 0 | 1863 if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
| 1864 jio_fprintf(defaultStream::error_stream(), | |
| 1865 "MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " | |
| 1866 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", | |
| 1867 MinHeapFreeRatio, MaxHeapFreeRatio); | |
| 1868 status = false; | |
| 1869 } | |
| 1870 // Keeping the heap 100% free is hard ;-) so limit it to 99%. | |
| 1871 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); | |
| 1872 | |
| 1873 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { | |
| 1874 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 1875 } | |
| 1876 | |
|
483
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1877 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
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1878 // Settings to encourage splitting. |
|
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1879 if (!FLAG_IS_CMDLINE(NewRatio)) { |
|
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1880 FLAG_SET_CMDLINE(intx, NewRatio, 2); |
|
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1881 } |
|
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1882 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
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1883 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
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1884 } |
|
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1885 } |
|
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1886 |
|
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1887 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
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1888 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 1889 if (GCTimeLimit == 100) { |
| 1890 // Turn off gc-overhead-limit-exceeded checks | |
| 1891 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 1892 } | |
| 1893 | |
|
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1894 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
| 0 | 1895 |
|
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1896 status = status && check_gc_consistency(); |
|
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1897 status = status && check_stack_pages(); |
| 0 | 1898 |
| 1899 if (_has_alloc_profile) { | |
| 1900 if (UseParallelGC || UseParallelOldGC) { | |
| 1901 jio_fprintf(defaultStream::error_stream(), | |
| 1902 "error: invalid argument combination.\n" | |
| 1903 "Allocation profiling (-Xaprof) cannot be used together with " | |
| 1904 "Parallel GC (-XX:+UseParallelGC or -XX:+UseParallelOldGC).\n"); | |
| 1905 status = false; | |
| 1906 } | |
| 1907 if (UseConcMarkSweepGC) { | |
| 1908 jio_fprintf(defaultStream::error_stream(), | |
| 1909 "error: invalid argument combination.\n" | |
| 1910 "Allocation profiling (-Xaprof) cannot be used together with " | |
| 1911 "the CMS collector (-XX:+UseConcMarkSweepGC).\n"); | |
| 1912 status = false; | |
| 1913 } | |
| 1914 } | |
| 1915 | |
| 1916 if (CMSIncrementalMode) { | |
| 1917 if (!UseConcMarkSweepGC) { | |
| 1918 jio_fprintf(defaultStream::error_stream(), | |
| 1919 "error: invalid argument combination.\n" | |
| 1920 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 1921 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 1922 status = false; | |
| 1923 } else { | |
|
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1924 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 1925 "CMSIncrementalDutyCycle"); |
|
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1926 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 1927 "CMSIncrementalDutyCycleMin"); |
|
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1928 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 1929 "CMSIncrementalSafetyFactor"); |
|
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1930 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 1931 "CMSIncrementalOffset"); |
|
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1932 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 1933 "CMSExpAvgFactor"); |
| 1934 // If it was not set on the command line, set | |
| 1935 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 1936 if (CMSInitiatingOccupancyFraction < 0) { | |
| 1937 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 1938 } | |
| 1939 } | |
| 1940 } | |
| 1941 | |
| 1942 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 1943 // insists that we hold the requisite locks so that the iteration is | |
| 1944 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 1945 // yet have a good way of acquiring and releasing these locks, | |
| 1946 // which are not visible at the CollectedHeap level. We want to | |
| 1947 // be able to acquire these locks and then do the iteration rather | |
| 1948 // than just disable the lock verification. This will be fixed under | |
| 1949 // bug 4788986. | |
| 1950 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
| 1951 if (VerifyGCStartAt == 0) { | |
| 1952 warning("Heap verification at start-up disabled " | |
| 1953 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 1954 VerifyGCStartAt = 1; // Disable verification at start-up | |
| 1955 } | |
| 1956 if (VerifyBeforeExit) { | |
| 1957 warning("Heap verification at shutdown disabled " | |
| 1958 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 1959 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 1960 } | |
| 1961 } | |
| 1962 | |
| 1963 // Note: only executed in non-PRODUCT mode | |
| 1964 if (!UseAsyncConcMarkSweepGC && | |
| 1965 (ExplicitGCInvokesConcurrent || | |
| 1966 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 1967 jio_fprintf(defaultStream::error_stream(), | |
|
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1968 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 1969 " with -UseAsyncConcMarkSweepGC"); |
| 1970 status = false; | |
| 1971 } | |
| 1972 | |
|
2366
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|
1973 status = status && verify_min_value(ParGCArrayScanChunk, 1, "ParGCArrayScanChunk"); |
|
1fb790245268
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1974 |
|
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|
1975 #ifndef SERIALGC |
|
1283
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|
1976 if (UseG1GC) { |
|
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|
1977 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
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|
1978 "InitiatingHeapOccupancyPercent"); |
|
2174
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|
1979 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
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|
1980 "G1RefProcDrainInterval"); |
|
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|
1981 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
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|
1982 "G1ConcMarkStepDurationMillis"); |
|
1283
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|
1983 } |
|
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|
1984 #endif |
|
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|
1985 |
|
1244
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|
1986 status = status && verify_interval(RefDiscoveryPolicy, |
|
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|
1987 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
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|
1988 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
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|
1989 "RefDiscoveryPolicy"); |
|
745c853ee57f
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|
1990 |
|
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|
1991 // Limit the lower bound of this flag to 1 as it is used in a division |
|
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|
1992 // expression. |
|
745c853ee57f
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|
1993 status = status && verify_interval(TLABWasteTargetPercent, |
|
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|
1994 1, 100, "TLABWasteTargetPercent"); |
|
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|
1995 |
|
1571
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|
1996 status = status && verify_object_alignment(); |
|
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|
1997 |
|
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1998 status = status && verify_min_value(ClassMetaspaceSize, 1*M, |
|
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1999 "ClassMetaspaceSize"); |
|
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|
2000 |
|
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|
2001 #ifdef SPARC |
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|
2002 if (UseConcMarkSweepGC || UseG1GC) { |
|
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|
2003 // Issue a stern warning if the user has explicitly set |
|
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|
2004 // UseMemSetInBOT (it is known to cause issues), but allow |
|
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|
2005 // use for experimentation and debugging. |
|
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|
2006 if (VM_Version::is_sun4v() && UseMemSetInBOT) { |
|
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|
2007 assert(!FLAG_IS_DEFAULT(UseMemSetInBOT), "Error"); |
|
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|
2008 warning("Experimental flag -XX:+UseMemSetInBOT is known to cause instability" |
|
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changeset
|
2009 " on sun4v; please understand that you are using at your own risk!"); |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2010 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2011 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2012 #endif // SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2013 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2014 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2015 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2016 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2017 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2018 warning("PrintNMTStatistics is disabled, because native memory tracking is not enabled"); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2019 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2020 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2021 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2022 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2023 } |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2024 #ifdef GRAAL |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2025 if (UseCompressedOops) { |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2026 jio_fprintf(defaultStream::error_stream(), |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2027 "CompressedOops are not supported in Graal at the moment\n"); |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2028 status = false; |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2029 } else { |
|
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2030 // This prevents the flag being set to true by set_ergonomics_flags() |
|
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2031 FLAG_SET_CMDLINE(bool, UseCompressedOops, false); |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2032 } |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2033 |
|
6995
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2034 if (UseCompressedKlassPointers) { |
|
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2035 jio_fprintf(defaultStream::error_stream(), |
|
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2036 "UseCompressedKlassPointers are not supported in Graal at the moment\n"); |
|
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2037 status = false; |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2038 } else { |
|
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2039 // This prevents the flag being set to true by set_ergonomics_flags() |
|
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2040 FLAG_SET_CMDLINE(bool, UseCompressedKlassPointers, false); |
|
6995
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2041 } |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2042 if (UseG1GC) { |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2043 jio_fprintf(defaultStream::error_stream(), |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2044 "G1 is not supported in Graal at the moment\n"); |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2045 status = false; |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2046 } else { |
|
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2047 // This prevents the flag being set to true by set_ergonomics_flags() |
|
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2048 FLAG_SET_CMDLINE(bool, UseG1GC, false); |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2049 } |
|
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2050 |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2051 if (!ScavengeRootsInCode) { |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2052 warning("forcing ScavengeRootsInCode non-zero because Graal is enabled"); |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2053 ScavengeRootsInCode = 1; |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2054 } |
|
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2055 |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2056 #endif |
| 0 | 2057 return status; |
| 2058 } | |
| 2059 | |
| 2060 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2061 const char* option_type) { | |
| 2062 if (ignore) return false; | |
| 2063 | |
| 2064 const char* spacer = " "; | |
| 2065 if (option_type == NULL) { | |
| 2066 option_type = ++spacer; // Set both to the empty string. | |
| 2067 } | |
| 2068 | |
| 2069 if (os::obsolete_option(option)) { | |
| 2070 jio_fprintf(defaultStream::error_stream(), | |
| 2071 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2072 option->optionString); | |
| 2073 return false; | |
| 2074 } else { | |
| 2075 jio_fprintf(defaultStream::error_stream(), | |
| 2076 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2077 option->optionString); | |
| 2078 return true; | |
| 2079 } | |
| 2080 } | |
| 2081 | |
| 2082 static const char* user_assertion_options[] = { | |
| 2083 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2084 }; | |
| 2085 | |
| 2086 static const char* system_assertion_options[] = { | |
| 2087 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2088 }; | |
| 2089 | |
| 2090 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2091 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2092 // the option must match exactly. | |
| 2093 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2094 bool tail_allowed) { | |
| 2095 for (/* empty */; *names != NULL; ++names) { | |
| 2096 if (match_option(option, *names, tail)) { | |
| 2097 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2098 return true; | |
| 2099 } | |
| 2100 } | |
| 2101 } | |
| 2102 return false; | |
| 2103 } | |
| 2104 | |
| 1284 | 2105 bool Arguments::parse_uintx(const char* value, |
| 2106 uintx* uintx_arg, | |
| 2107 uintx min_size) { | |
| 2108 | |
| 2109 // Check the sign first since atomull() parses only unsigned values. | |
| 2110 bool value_is_positive = !(*value == '-'); | |
| 2111 | |
| 2112 if (value_is_positive) { | |
| 2113 julong n; | |
| 2114 bool good_return = atomull(value, &n); | |
| 2115 if (good_return) { | |
| 2116 bool above_minimum = n >= min_size; | |
| 2117 bool value_is_too_large = n > max_uintx; | |
| 2118 | |
| 2119 if (above_minimum && !value_is_too_large) { | |
| 2120 *uintx_arg = n; | |
| 2121 return true; | |
| 2122 } | |
| 2123 } | |
| 2124 } | |
| 2125 return false; | |
| 2126 } | |
| 2127 | |
| 0 | 2128 Arguments::ArgsRange Arguments::parse_memory_size(const char* s, |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2129 julong* long_arg, |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2130 julong min_size) { |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2131 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2132 return check_memory_size(*long_arg, min_size); |
| 2133 } | |
| 2134 | |
| 2135 // Parse JavaVMInitArgs structure | |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2136 #ifdef GRAAL |
|
7062
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2137 static void prepend_to_graal_classpath(SysClassPath &cp, const char* path) { |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2138 cp.add_prefix(path); |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2139 } |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2140 |
|
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2141 static void prepend_to_graal_classpath(SysClassPath &cp, const char* graal_dir, const char* project) { |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2142 const int BUFFER_SIZE = 1024; |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2143 char path[BUFFER_SIZE]; |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2144 |
|
4252
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2145 const char fileSep = *os::file_separator(); |
|
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2146 sprintf(path, "%s%c%s%cbin", graal_dir, fileSep, project, fileSep); |
|
7062
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2147 |
|
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2148 DIR* dir = os::opendir(path); |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2149 if (dir == NULL) { |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2150 jio_fprintf(defaultStream::output_stream(), "Error while starting Graal VM: The Graal class directory %s could not be opened.\n", path); |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2151 vm_exit(1); |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2152 } |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2153 os::closedir(dir); |
|
7062
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2154 prepend_to_graal_classpath(cp, path); |
|
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2155 } |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2156 |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2157 // Walk up the directory hierarchy starting from JAVA_HOME looking |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2158 // for a directory named "graal". If found, then the full path to |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2159 // this directory is returned in graal_dir. |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2160 static bool find_graal_dir(char* graal_dir) { |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2161 strcpy(graal_dir, Arguments::get_java_home()); |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2162 char* end = graal_dir + strlen(graal_dir); |
|
4252
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2163 const char fileSep = *os::file_separator(); |
|
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2164 while (end != graal_dir) { |
|
4252
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2165 if (fileSep == '/') |
|
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2166 strcat(graal_dir, "/graal"); |
|
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2167 else { |
|
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2168 assert(fileSep == '\\', "unexpected separator char"); |
|
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2169 strcat(graal_dir, "\\graal"); |
|
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2170 } |
|
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2171 DIR* dir = os::opendir(graal_dir); |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2172 if (dir != NULL) { |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2173 os::closedir(dir); |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2174 return true; |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2175 } |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2176 *end = 0; |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2177 while (end != graal_dir) { |
|
4252
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2178 if (*end == fileSep) { |
|
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2179 *end = 0; |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2180 break; |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2181 } |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2182 end--; |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2183 } |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2184 } |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2185 return false; |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2186 } |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2187 #endif |
| 0 | 2188 |
| 2189 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2190 // For components of the system classpath. | |
| 2191 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2192 bool scp_assembly_required = false; | |
| 2193 | |
| 2194 // Save default settings for some mode flags | |
| 2195 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2196 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2197 Arguments::_ClipInlining = ClipInlining; | |
| 2198 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2199 | |
|
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2200 // Setup flags for mixed which is the default |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2201 set_mode_flags(_mixed); |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2202 |
| 0 | 2203 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2204 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2205 if (result != JNI_OK) { | |
| 2206 return result; | |
| 2207 } | |
| 2208 | |
| 2209 // Parse JavaVMInitArgs structure passed in | |
| 2210 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, COMMAND_LINE); | |
| 2211 if (result != JNI_OK) { | |
| 2212 return result; | |
| 2213 } | |
| 2214 | |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2215 #ifdef GRAAL |
|
3543
344264424174
Enable debugging of compiler code from Java IDEs. Moved binary to "graal" subdirectory. New flag for starting Graal is just "-graal".
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3535
diff
changeset
|
2216 if (PrintVMOptions) { |
|
3568
409ef3a68dc8
re-lock objects whose lock was removed by escape analysis, enable stack walking compilation policy (-XX:CompilationPolicyChoice=1)
Lukas Stadler <lukas.stadler@jku.at>
parents:
3546
diff
changeset
|
2217 tty->print_cr("Running Graal VM... "); |
|
3543
344264424174
Enable debugging of compiler code from Java IDEs. Moved binary to "graal" subdirectory. New flag for starting Graal is just "-graal".
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3535
diff
changeset
|
2218 } |
|
7062
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2219 |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2220 SysClassPath scp_compiler(""); |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2221 |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2222 if (GraalClassPath != NULL) { |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2223 prepend_to_graal_classpath(scp_compiler, GraalClassPath); |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2224 } else { |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2225 const int BUFFER_SIZE = 1024; |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2226 char graal_dir[BUFFER_SIZE]; |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2227 if (!os::getenv("GRAAL", graal_dir, sizeof(graal_dir))) { |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2228 if (find_graal_dir(graal_dir) == false) { |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2229 jio_fprintf(defaultStream::output_stream(), "Error while starting Graal VM: The GRAAL environment variable needs to point to the directory containing the Graal projects.\n"); |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2230 vm_exit(0); |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2231 } |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2232 } |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2233 if (PrintVMOptions) tty->print_cr("GRAAL=%s", graal_dir); |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2234 |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2235 // this declaration is checked for correctness by 'mx build' - only |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2236 // modify its entries, not its name or shape |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2237 const char* graal_projects[] = { |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2238 #ifdef AMD64 |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2239 "com.oracle.graal.amd64", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2240 "com.oracle.graal.asm.amd64", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2241 "com.oracle.graal.lir.amd64", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2242 "com.oracle.graal.compiler.amd64", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2243 "com.oracle.graal.hotspot.amd64", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2244 #endif |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2245 "com.oracle.graal.api.runtime", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2246 "com.oracle.graal.api.meta", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2247 "com.oracle.graal.api.code", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2248 "com.oracle.graal.api.interpreter", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2249 "com.oracle.graal.hotspot", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2250 "com.oracle.graal.asm", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2251 "com.oracle.graal.alloc", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2252 "com.oracle.graal.snippets", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2253 "com.oracle.graal.compiler", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2254 "com.oracle.graal.loop", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2255 "com.oracle.graal.phases", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2256 "com.oracle.graal.phases.common", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2257 "com.oracle.graal.virtual", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2258 "com.oracle.graal.nodes", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2259 "com.oracle.graal.printer", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2260 "com.oracle.graal.debug", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2261 "com.oracle.graal.graph", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2262 "com.oracle.graal.lir", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2263 "com.oracle.graal.bytecode", |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2264 "com.oracle.graal.java" |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2265 }; |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2266 |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2267 const int len = sizeof(graal_projects) / sizeof(char*); |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2268 for (int i = 0; i < len; i++) { |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2269 if (PrintVMOptions) { |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2270 tty->print_cr("Adding project directory %s to bootclasspath", graal_projects[i]); |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2271 } |
|
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2272 prepend_to_graal_classpath(scp_compiler, graal_dir, graal_projects[i]); |
|
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2273 } |
|
3543
344264424174
Enable debugging of compiler code from Java IDEs. Moved binary to "graal" subdirectory. New flag for starting Graal is just "-graal".
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3535
diff
changeset
|
2274 } |
|
7062
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2275 |
|
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2276 scp_compiler.expand_endorsed(); |
|
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2277 Arguments::set_compilerclasspath(scp_compiler.combined_path()); |
|
7062
8c5333c80cfd
increased CompileThreshold to increase reliability of profiling information
Christian Haeubl <haeubl@ssw.jku.at>
parents:
6646
diff
changeset
|
2278 |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2279 #endif |
|
3543
344264424174
Enable debugging of compiler code from Java IDEs. Moved binary to "graal" subdirectory. New flag for starting Graal is just "-graal".
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3535
diff
changeset
|
2280 |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2281 if (AggressiveOpts) { |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2282 // Insert alt-rt.jar between user-specified bootclasspath |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2283 // prefix and the default bootclasspath. os::set_boot_path() |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2284 // uses meta_index_dir as the default bootclasspath directory. |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2285 const char* altclasses_jar = "alt-rt.jar"; |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2286 size_t altclasses_path_len = strlen(get_meta_index_dir()) + 1 + |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2287 strlen(altclasses_jar); |
| 6197 | 2288 char* altclasses_path = NEW_C_HEAP_ARRAY(char, altclasses_path_len, mtInternal); |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2289 strcpy(altclasses_path, get_meta_index_dir()); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2290 strcat(altclasses_path, altclasses_jar); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
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|
2291 scp.add_suffix_to_prefix(altclasses_path); |
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2292 scp_assembly_required = true; |
| 6197 | 2293 FREE_C_HEAP_ARRAY(char, altclasses_path, mtInternal); |
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2294 } |
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2295 |
| 5915 | 2296 if (WhiteBoxAPI) { |
| 2297 // Append wb.jar to bootclasspath if enabled | |
| 2298 const char* wb_jar = "wb.jar"; | |
| 2299 size_t wb_path_len = strlen(get_meta_index_dir()) + 1 + | |
| 2300 strlen(wb_jar); | |
| 6197 | 2301 char* wb_path = NEW_C_HEAP_ARRAY(char, wb_path_len, mtInternal); |
| 5915 | 2302 strcpy(wb_path, get_meta_index_dir()); |
| 2303 strcat(wb_path, wb_jar); | |
| 2304 scp.add_suffix(wb_path); | |
| 2305 scp_assembly_required = true; | |
| 6197 | 2306 FREE_C_HEAP_ARRAY(char, wb_path, mtInternal); |
| 5915 | 2307 } |
| 2308 | |
| 0 | 2309 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) |
| 2310 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2311 if (result != JNI_OK) { | |
| 2312 return result; | |
| 2313 } | |
| 2314 | |
| 2315 // Do final processing now that all arguments have been parsed | |
| 2316 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2317 if (result != JNI_OK) { | |
| 2318 return result; | |
| 2319 } | |
| 2320 | |
| 2321 return JNI_OK; | |
| 2322 } | |
| 2323 | |
| 2324 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, | |
| 2325 SysClassPath* scp_p, | |
| 2326 bool* scp_assembly_required_p, | |
| 2327 FlagValueOrigin origin) { | |
| 2328 // Remaining part of option string | |
| 2329 const char* tail; | |
| 2330 | |
| 2331 // iterate over arguments | |
| 2332 for (int index = 0; index < args->nOptions; index++) { | |
| 2333 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2334 | |
| 2335 const JavaVMOption* option = args->options + index; | |
| 2336 | |
| 2337 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2338 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2339 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2340 | |
| 2341 // add all jvm options to the jvm_args string. This string | |
| 2342 // is used later to set the java.vm.args PerfData string constant. | |
| 2343 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2344 // omitted from jvm_args string as each have their own PerfData | |
| 2345 // string constant object. | |
| 2346 build_jvm_args(option->optionString); | |
| 2347 } | |
| 2348 | |
| 2349 // -verbose:[class/gc/jni] | |
| 2350 if (match_option(option, "-verbose", &tail)) { | |
| 2351 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2352 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2353 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2354 } else if (!strcmp(tail, ":gc")) { | |
| 2355 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2356 } else if (!strcmp(tail, ":jni")) { | |
| 2357 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2358 } | |
| 2359 // -da / -ea / -disableassertions / -enableassertions | |
| 2360 // These accept an optional class/package name separated by a colon, e.g., | |
| 2361 // -da:java.lang.Thread. | |
| 2362 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2363 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2364 if (*tail == '\0') { | |
| 2365 JavaAssertions::setUserClassDefault(enable); | |
| 2366 } else { | |
| 2367 assert(*tail == ':', "bogus match by match_option()"); | |
| 2368 JavaAssertions::addOption(tail + 1, enable); | |
| 2369 } | |
| 2370 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2371 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2372 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2373 JavaAssertions::setSystemClassDefault(enable); | |
| 2374 // -bootclasspath: | |
| 2375 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2376 scp_p->reset_path(tail); | |
| 2377 *scp_assembly_required_p = true; | |
| 2378 // -bootclasspath/a: | |
| 2379 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2380 scp_p->add_suffix(tail); | |
| 2381 *scp_assembly_required_p = true; | |
| 2382 // -bootclasspath/p: | |
| 2383 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2384 scp_p->add_prefix(tail); | |
| 2385 *scp_assembly_required_p = true; | |
| 2386 // -Xrun | |
| 2387 } else if (match_option(option, "-Xrun", &tail)) { | |
|
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2388 if (tail != NULL) { |
| 0 | 2389 const char* pos = strchr(tail, ':'); |
| 2390 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2391 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2392 name[len] = '\0'; |
| 2393 | |
| 2394 char *options = NULL; | |
| 2395 if(pos != NULL) { | |
| 2396 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2397 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2398 } |
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2399 #if !INCLUDE_JVMTI |
| 0 | 2400 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
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2401 warning("profiling and debugging agents are not supported in this VM"); |
| 0 | 2402 } else |
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2403 #endif // !INCLUDE_JVMTI |
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2404 add_init_library(name, options); |
| 0 | 2405 } |
| 2406 // -agentlib and -agentpath | |
| 2407 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2408 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2409 if(tail != NULL) { | |
| 2410 const char* pos = strchr(tail, '='); | |
| 2411 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2412 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2413 name[len] = '\0'; |
| 2414 | |
| 2415 char *options = NULL; | |
| 2416 if(pos != NULL) { | |
| 6197 | 2417 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2418 } |
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2419 #if !INCLUDE_JVMTI |
| 0 | 2420 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
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2421 warning("profiling and debugging agents are not supported in this VM"); |
| 0 | 2422 } else |
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2423 #endif // !INCLUDE_JVMTI |
| 0 | 2424 add_init_agent(name, options, is_absolute_path); |
| 2425 | |
| 2426 } | |
| 2427 // -javaagent | |
| 2428 } else if (match_option(option, "-javaagent:", &tail)) { | |
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2429 #if !INCLUDE_JVMTI |
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2430 warning("Instrumentation agents are not supported in this VM"); |
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2431 #else |
| 0 | 2432 if(tail != NULL) { |
| 6197 | 2433 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2434 add_init_agent("instrument", options, false); |
| 2435 } | |
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2436 #endif // !INCLUDE_JVMTI |
| 0 | 2437 // -Xnoclassgc |
| 2438 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2439 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2440 // -Xincgc: i-CMS | |
| 2441 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2442 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2443 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2444 // -Xnoincgc: no i-CMS | |
| 2445 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2446 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2447 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2448 // -Xconcgc | |
| 2449 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2450 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2451 // -Xnoconcgc | |
| 2452 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2453 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2454 // -Xbatch | |
| 2455 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2456 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2457 // -Xmn for compatibility with other JVM vendors | |
| 2458 } else if (match_option(option, "-Xmn", &tail)) { | |
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2459 julong long_initial_eden_size = 0; |
| 0 | 2460 ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1); |
| 2461 if (errcode != arg_in_range) { | |
| 2462 jio_fprintf(defaultStream::error_stream(), | |
| 2463 "Invalid initial eden size: %s\n", option->optionString); | |
| 2464 describe_range_error(errcode); | |
| 2465 return JNI_EINVAL; | |
| 2466 } | |
| 1064 | 2467 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size); |
| 2468 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size); | |
| 0 | 2469 // -Xms |
| 2470 } else if (match_option(option, "-Xms", &tail)) { | |
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2471 julong long_initial_heap_size = 0; |
| 0 | 2472 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 1); |
| 2473 if (errcode != arg_in_range) { | |
| 2474 jio_fprintf(defaultStream::error_stream(), | |
| 2475 "Invalid initial heap size: %s\n", option->optionString); | |
| 2476 describe_range_error(errcode); | |
| 2477 return JNI_EINVAL; | |
| 2478 } | |
| 1064 | 2479 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2480 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2481 set_min_heap_size(InitialHeapSize); |
| 0 | 2482 // -Xmx |
| 2483 } else if (match_option(option, "-Xmx", &tail)) { | |
|
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2484 julong long_max_heap_size = 0; |
| 0 | 2485 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2486 if (errcode != arg_in_range) { | |
| 2487 jio_fprintf(defaultStream::error_stream(), | |
| 2488 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2489 describe_range_error(errcode); | |
| 2490 return JNI_EINVAL; | |
| 2491 } | |
| 1064 | 2492 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2493 // Xmaxf |
| 2494 } else if (match_option(option, "-Xmaxf", &tail)) { | |
| 2495 int maxf = (int)(atof(tail) * 100); | |
| 2496 if (maxf < 0 || maxf > 100) { | |
| 2497 jio_fprintf(defaultStream::error_stream(), | |
| 2498 "Bad max heap free percentage size: %s\n", | |
| 2499 option->optionString); | |
| 2500 return JNI_EINVAL; | |
| 2501 } else { | |
| 2502 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2503 } | |
| 2504 // Xminf | |
| 2505 } else if (match_option(option, "-Xminf", &tail)) { | |
| 2506 int minf = (int)(atof(tail) * 100); | |
| 2507 if (minf < 0 || minf > 100) { | |
| 2508 jio_fprintf(defaultStream::error_stream(), | |
| 2509 "Bad min heap free percentage size: %s\n", | |
| 2510 option->optionString); | |
| 2511 return JNI_EINVAL; | |
| 2512 } else { | |
| 2513 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2514 } | |
| 2515 // -Xss | |
| 2516 } else if (match_option(option, "-Xss", &tail)) { | |
|
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2517 julong long_ThreadStackSize = 0; |
| 0 | 2518 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2519 if (errcode != arg_in_range) { | |
| 2520 jio_fprintf(defaultStream::error_stream(), | |
| 2521 "Invalid thread stack size: %s\n", option->optionString); | |
| 2522 describe_range_error(errcode); | |
| 2523 return JNI_EINVAL; | |
| 2524 } | |
| 2525 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2526 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2527 round_to((int)long_ThreadStackSize, K) / K); | |
| 2528 // -Xoss | |
| 2529 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2530 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
| 2531 // -Xmaxjitcodesize | |
|
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2532 } else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
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2533 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
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2534 julong long_ReservedCodeCacheSize = 0; |
| 0 | 2535 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, |
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2536 (size_t)InitialCodeCacheSize); |
| 0 | 2537 if (errcode != arg_in_range) { |
| 2538 jio_fprintf(defaultStream::error_stream(), | |
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2539 "Invalid maximum code cache size: %s. Should be greater than InitialCodeCacheSize=%dK\n", |
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2540 option->optionString, InitialCodeCacheSize/K); |
| 0 | 2541 describe_range_error(errcode); |
| 2542 return JNI_EINVAL; | |
| 2543 } | |
| 2544 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
| 2545 // -green | |
| 2546 } else if (match_option(option, "-green", &tail)) { | |
| 2547 jio_fprintf(defaultStream::error_stream(), | |
| 2548 "Green threads support not available\n"); | |
| 2549 return JNI_EINVAL; | |
| 2550 // -native | |
| 2551 } else if (match_option(option, "-native", &tail)) { | |
| 2552 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2553 // -Xsqnopause | |
| 2554 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2555 // EVM option, ignore silently for compatibility | |
| 2556 // -Xrs | |
| 2557 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2558 // Classic/EVM option, new functionality | |
| 2559 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2560 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2561 // change default internal VM signals used - lower case for back compat | |
| 2562 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2563 // -Xoptimize | |
| 2564 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2565 // EVM option, ignore silently for compatibility | |
| 2566 // -Xprof | |
| 2567 } else if (match_option(option, "-Xprof", &tail)) { | |
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2568 #if INCLUDE_FPROF |
| 0 | 2569 _has_profile = true; |
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2570 #else // INCLUDE_FPROF |
| 0 | 2571 // do we have to exit? |
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2572 warning("Flat profiling is not supported in this VM."); |
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2573 #endif // INCLUDE_FPROF |
| 0 | 2574 // -Xaprof |
| 2575 } else if (match_option(option, "-Xaprof", &tail)) { | |
| 2576 _has_alloc_profile = true; | |
| 2577 // -Xconcurrentio | |
| 2578 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2579 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2580 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2581 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 2582 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2583 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 2584 | |
| 2585 // -Xinternalversion | |
| 2586 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 2587 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 2588 VM_Version::internal_vm_info_string()); | |
| 2589 vm_exit(0); | |
| 2590 #ifndef PRODUCT | |
| 2591 // -Xprintflags | |
| 2592 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 2593 CommandLineFlags::printFlags(tty, false); |
| 0 | 2594 vm_exit(0); |
| 2595 #endif | |
| 2596 // -D | |
| 2597 } else if (match_option(option, "-D", &tail)) { | |
| 2598 if (!add_property(tail)) { | |
| 2599 return JNI_ENOMEM; | |
| 2600 } | |
| 2601 // Out of the box management support | |
| 2602 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
| 2603 FLAG_SET_CMDLINE(bool, ManagementServer, true); | |
| 2604 } | |
| 2605 // -Xint | |
| 2606 } else if (match_option(option, "-Xint", &tail)) { | |
| 2607 set_mode_flags(_int); | |
| 2608 // -Xmixed | |
| 2609 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 2610 set_mode_flags(_mixed); | |
| 2611 // -Xcomp | |
| 2612 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 2613 // for testing the compiler; turn off all flags that inhibit compilation | |
| 2614 set_mode_flags(_comp); | |
| 2615 | |
| 2616 // -Xshare:dump | |
| 2617 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
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2618 #if defined(KERNEL) |
| 0 | 2619 vm_exit_during_initialization( |
| 2620 "Dumping a shared archive is not supported on the Kernel JVM.", NULL); | |
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2621 #elif !INCLUDE_CDS |
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2622 vm_exit_during_initialization( |
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2623 "Dumping a shared archive is not supported in this VM.", NULL); |
| 0 | 2624 #else |
| 2625 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 2626 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 2627 #endif | |
| 2628 // -Xshare:on | |
| 2629 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 2630 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2631 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 2632 // -Xshare:auto | |
| 2633 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 2634 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2635 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2636 // -Xshare:off | |
| 2637 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 2638 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 2639 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2640 | |
| 2641 // -Xverify | |
| 2642 } else if (match_option(option, "-Xverify", &tail)) { | |
| 2643 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 2644 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 2645 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2646 } else if (strcmp(tail, ":remote") == 0) { | |
| 2647 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2648 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2649 } else if (strcmp(tail, ":none") == 0) { | |
| 2650 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2651 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 2652 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 2653 return JNI_EINVAL; | |
| 2654 } | |
| 2655 // -Xdebug | |
| 2656 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 2657 // note this flag has been used, then ignore | |
| 2658 set_xdebug_mode(true); | |
| 2659 // -Xnoagent | |
| 2660 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 2661 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 2662 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 2663 // Bind user level threads to kernel threads (Solaris only) | |
| 2664 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 2665 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 2666 // Redirect GC output to the file. -Xloggc:<filename> | |
| 2667 // ostream_init_log(), when called will use this filename | |
| 2668 // to initialize a fileStream. | |
| 2669 _gc_log_filename = strdup(tail); | |
| 2670 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2671 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 2672 | |
| 2673 // JNI hooks | |
| 2674 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 2675 if (!strcmp(tail, ":jni")) { | |
|
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2676 #if !INCLUDE_JNI_CHECK |
|
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|
2677 warning("JNI CHECKING is not supported in this VM"); |
|
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|
2678 #else |
| 0 | 2679 CheckJNICalls = true; |
|
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|
2680 #endif // INCLUDE_JNI_CHECK |
| 0 | 2681 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 2682 "check")) { | |
| 2683 return JNI_EINVAL; | |
| 2684 } | |
| 2685 } else if (match_option(option, "vfprintf", &tail)) { | |
| 2686 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 2687 } else if (match_option(option, "exit", &tail)) { | |
| 2688 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 2689 } else if (match_option(option, "abort", &tail)) { | |
| 2690 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 2691 // -XX:+AggressiveHeap | |
| 2692 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 2693 | |
| 2694 // This option inspects the machine and attempts to set various | |
| 2695 // parameters to be optimal for long-running, memory allocation | |
| 2696 // intensive jobs. It is intended for machines with large | |
| 2697 // amounts of cpu and memory. | |
| 2698 | |
| 2699 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 2700 // VM, but we may not be able to represent the total physical memory | |
| 2701 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 2702 // Thus, we need to make sure we're using a julong for intermediate | |
| 2703 // calculations. | |
| 2704 julong initHeapSize; | |
| 2705 julong total_memory = os::physical_memory(); | |
| 2706 | |
| 2707 if (total_memory < (julong)256*M) { | |
| 2708 jio_fprintf(defaultStream::error_stream(), | |
| 2709 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 2710 vm_exit(1); | |
| 2711 } | |
| 2712 | |
| 2713 // The heap size is half of available memory, or (at most) | |
| 2714 // all of possible memory less 160mb (leaving room for the OS | |
| 2715 // when using ISM). This is the maximum; because adaptive sizing | |
| 2716 // is turned on below, the actual space used may be smaller. | |
| 2717 | |
| 2718 initHeapSize = MIN2(total_memory / (julong)2, | |
| 2719 total_memory - (julong)160*M); | |
| 2720 | |
| 2721 // Make sure that if we have a lot of memory we cap the 32 bit | |
| 2722 // process space. The 64bit VM version of this function is a nop. | |
| 2723 initHeapSize = os::allocatable_physical_memory(initHeapSize); | |
| 2724 | |
| 2725 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 2726 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 2727 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 2728 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2729 set_min_heap_size(initHeapSize); |
| 0 | 2730 } |
| 2731 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 2732 // Make the young generation 3/8ths of the total heap. | |
| 2733 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 2734 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 2735 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 2736 } | |
| 2737 | |
|
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|
2738 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 2739 FLAG_SET_DEFAULT(UseLargePages, true); |
|
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|
2740 #endif |
| 0 | 2741 |
| 2742 // Increase some data structure sizes for efficiency | |
| 2743 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 2744 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2745 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 2746 | |
| 2747 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 2748 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 2749 // space per-gc-thread buffers. The default is 4kw. | |
| 2750 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 2751 | |
| 2752 // OldPLABSize is the size of the buffers in the old gen that | |
| 2753 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 2754 // survivor spaces. At any given time, there's one for each gc thread. | |
| 2755 // The default size is 1kw. These buffers are rarely used, since the | |
| 2756 // survivor spaces are usually big enough. For specjbb, however, there | |
| 2757 // are occasions when there's lots of live data in the young gen | |
| 2758 // and we end up promoting some of it. We don't have a definite | |
| 2759 // explanation for why bumping OldPLABSize helps, but the theory | |
| 2760 // is that a bigger PLAB results in retaining something like the | |
| 2761 // original allocation order after promotion, which improves mutator | |
| 2762 // locality. A minor effect may be that larger PLABs reduce the | |
| 2763 // number of PLAB allocation events during gc. The value of 8kw | |
| 2764 // was arrived at by experimenting with specjbb. | |
| 2765 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 2766 | |
| 2767 // Enable parallel GC and adaptive generation sizing | |
| 2768 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
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|
2769 FLAG_SET_DEFAULT(ParallelGCThreads, |
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|
2770 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 2771 |
| 2772 // Encourage steady state memory management | |
| 2773 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 2774 | |
| 2775 // This appears to improve mutator locality | |
| 2776 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2777 | |
| 2778 // Get around early Solaris scheduling bug | |
| 2779 // (affinity vs other jobs on system) | |
| 2780 // but disallow DR and offlining (5008695). | |
| 2781 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 2782 | |
| 2783 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 2784 // The last option must always win. | |
| 2785 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 2786 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 2787 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 2788 // The last option must always win. | |
| 2789 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 2790 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 2791 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 2792 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 2793 jio_fprintf(defaultStream::error_stream(), | |
| 2794 "Please use CMSClassUnloadingEnabled in place of " | |
| 2795 "CMSPermGenSweepingEnabled in the future\n"); | |
| 2796 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 2797 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 2798 jio_fprintf(defaultStream::error_stream(), | |
| 2799 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 2800 "-XX:+UseGCTimeLimit in the future\n"); | |
| 2801 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 2802 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 2803 jio_fprintf(defaultStream::error_stream(), | |
| 2804 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 2805 "-XX:-UseGCTimeLimit in the future\n"); | |
| 2806 // The TLE options are for compatibility with 1.3 and will be | |
| 2807 // removed without notice in a future release. These options | |
| 2808 // are not to be documented. | |
| 2809 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 2810 // No longer used. | |
| 2811 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 2812 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 2813 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 2814 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2815 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 2816 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 2817 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 2818 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 2819 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 2820 // No longer used. | |
| 2821 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
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|
2822 julong long_tlab_size = 0; |
| 0 | 2823 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 2824 if (errcode != arg_in_range) { | |
| 2825 jio_fprintf(defaultStream::error_stream(), | |
| 2826 "Invalid TLAB size: %s\n", option->optionString); | |
| 2827 describe_range_error(errcode); | |
| 2828 return JNI_EINVAL; | |
| 2829 } | |
| 2830 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 2831 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 2832 // No longer used. | |
| 2833 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 2834 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 2835 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 2836 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2837 SOLARIS_ONLY( | |
| 2838 } else if (match_option(option, "-XX:+UsePermISM", &tail)) { | |
| 2839 warning("-XX:+UsePermISM is obsolete."); | |
| 2840 FLAG_SET_CMDLINE(bool, UseISM, true); | |
| 2841 } else if (match_option(option, "-XX:-UsePermISM", &tail)) { | |
| 2842 FLAG_SET_CMDLINE(bool, UseISM, false); | |
| 2843 ) | |
| 2844 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 2845 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 2846 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 2847 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 2848 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 2849 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 2850 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 2851 #if defined(DTRACE_ENABLED) |
| 0 | 2852 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 2853 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 2854 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 2855 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 2856 #else // defined(DTRACE_ENABLED) |
| 0 | 2857 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 2858 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 2859 return JNI_EINVAL; |
| 4006 | 2860 #endif // defined(DTRACE_ENABLED) |
| 0 | 2861 #ifdef ASSERT |
|
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|
2862 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 2863 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 2864 // disable scavenge before parallel mark-compact | |
| 2865 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2866 #endif | |
|
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|
2867 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 2868 julong cms_blocks_to_claim = (julong)atol(tail); |
| 2869 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 2870 jio_fprintf(defaultStream::error_stream(), | |
|
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|
2871 "Please use -XX:OldPLABSize in place of " |
|
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|
2872 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
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|
2873 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
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|
2874 julong cms_blocks_to_claim = (julong)atol(tail); |
|
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|
2875 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
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|
2876 jio_fprintf(defaultStream::error_stream(), |
|
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|
2877 "Please use -XX:OldPLABSize in place of " |
| 0 | 2878 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
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|
2879 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
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|
2880 julong old_plab_size = 0; |
| 0 | 2881 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 2882 if (errcode != arg_in_range) { | |
| 2883 jio_fprintf(defaultStream::error_stream(), | |
| 2884 "Invalid old PLAB size: %s\n", option->optionString); | |
| 2885 describe_range_error(errcode); | |
| 2886 return JNI_EINVAL; | |
| 2887 } | |
|
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|
2888 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 2889 jio_fprintf(defaultStream::error_stream(), |
| 2890 "Please use -XX:OldPLABSize in place of " | |
| 2891 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
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|
2892 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
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|
2893 julong young_plab_size = 0; |
| 0 | 2894 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 2895 if (errcode != arg_in_range) { | |
| 2896 jio_fprintf(defaultStream::error_stream(), | |
| 2897 "Invalid young PLAB size: %s\n", option->optionString); | |
| 2898 describe_range_error(errcode); | |
| 2899 return JNI_EINVAL; | |
| 2900 } | |
|
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|
2901 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 2902 jio_fprintf(defaultStream::error_stream(), |
| 2903 "Please use -XX:YoungPLABSize in place of " | |
| 2904 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 2905 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 2906 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 2907 julong stack_size = 0; | |
| 2908 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 2909 if (errcode != arg_in_range) { | |
| 2910 jio_fprintf(defaultStream::error_stream(), | |
| 2911 "Invalid mark stack size: %s\n", option->optionString); | |
| 2912 describe_range_error(errcode); | |
| 2913 return JNI_EINVAL; | |
| 2914 } | |
| 2915 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 2916 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 2917 julong max_stack_size = 0; | |
| 2918 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 2919 if (errcode != arg_in_range) { | |
| 2920 jio_fprintf(defaultStream::error_stream(), | |
| 2921 "Invalid maximum mark stack size: %s\n", | |
| 2922 option->optionString); | |
| 2923 describe_range_error(errcode); | |
| 2924 return JNI_EINVAL; | |
| 2925 } | |
| 2926 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 2927 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 2928 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 2929 uintx conc_threads = 0; | |
| 2930 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 2931 jio_fprintf(defaultStream::error_stream(), | |
| 2932 "Invalid concurrent threads: %s\n", option->optionString); | |
| 2933 return JNI_EINVAL; | |
| 2934 } | |
| 2935 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
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|
2936 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
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|
2937 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
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6198
diff
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|
2938 ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0); |
|
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|
2939 if (errcode != arg_in_range) { |
|
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|
2940 jio_fprintf(defaultStream::error_stream(), |
|
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diff
changeset
|
2941 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2942 option->optionString); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2943 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2944 return JNI_EINVAL; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2945 } |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2946 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2947 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2948 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2949 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2950 warning("-XX:+UseVMInterruptibleIO is obsolete and will be removed in a future release."); |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2951 FLAG_SET_CMDLINE(bool, UseVMInterruptibleIO, true); |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2952 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 2953 // Skip -XX:Flags= since that case has already been handled |
| 2954 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 2955 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 2956 return JNI_EINVAL; | |
| 2957 } | |
| 2958 } | |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2959 } |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2960 #ifdef GRAAL |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2961 else if (match_option(option, "-G:", &tail)) { // -G:XXX |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2962 // Option for the Graal compiler. |
|
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
2963 if (PrintVMOptions) { |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
2964 tty->print_cr("Graal option %s", tail); |
|
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
2965 } |
|
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
2966 Arguments::add_graal_arg(tail); |
|
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
2967 |
| 0 | 2968 // Unknown option |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2969 } |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2970 #endif |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2971 else if (is_bad_option(option, args->ignoreUnrecognized)) { |
| 0 | 2972 return JNI_ERR; |
| 2973 } | |
| 2974 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
2975 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
2976 // Change the default value for flags which have different default values |
|
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
2977 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2978 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2979 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2980 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2981 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2982 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2983 #endif // LINUX |
| 0 | 2984 return JNI_OK; |
| 2985 } | |
| 2986 | |
| 2987 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
| 2988 // This must be done after all -D arguments have been processed. | |
| 2989 scp_p->expand_endorsed(); | |
| 2990 | |
| 2991 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
| 2992 // Assemble the bootclasspath elements into the final path. | |
| 2993 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 2994 } | |
| 2995 | |
| 2996 // This must be done after all arguments have been processed. | |
| 2997 // java_compiler() true means set to "NONE" or empty. | |
| 2998 if (java_compiler() && !xdebug_mode()) { | |
| 2999 // For backwards compatibility, we switch to interpreted mode if | |
| 3000 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 3001 // not specified. | |
| 3002 set_mode_flags(_int); | |
| 3003 } | |
| 3004 if (CompileThreshold == 0) { | |
| 3005 set_mode_flags(_int); | |
| 3006 } | |
| 3007 | |
| 3008 #ifndef COMPILER2 | |
| 3009 // Don't degrade server performance for footprint | |
| 3010 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 3011 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 3012 // No need for large granularity pages w/small heaps. | |
| 3013 // Note that large pages are enabled/disabled for both the | |
| 3014 // Java heap and the code cache. | |
| 3015 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 3016 SOLARIS_ONLY(FLAG_SET_DEFAULT(UseMPSS, false)); | |
| 3017 SOLARIS_ONLY(FLAG_SET_DEFAULT(UseISM, false)); | |
| 3018 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3019 |
|
1251
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3020 // Tiered compilation is undefined with C1. |
|
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3021 TieredCompilation = false; |
| 0 | 3022 #else |
| 3023 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
| 3024 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3025 } | |
| 3026 #endif | |
| 3027 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3028 // If we are running in a headless jre, force java.awt.headless property |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3029 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3030 // Also allow the OS environment variable JAVA_AWT_HEADLESS to set headless state. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3031 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3032 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3033 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3034 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3035 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3036 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3037 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3038 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3039 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3040 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3041 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3042 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3043 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3044 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3045 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3046 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3047 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3048 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3049 |
| 0 | 3050 if (!check_vm_args_consistency()) { |
| 3051 return JNI_ERR; | |
| 3052 } | |
| 3053 | |
| 3054 return JNI_OK; | |
| 3055 } | |
| 3056 | |
| 3057 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3058 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3059 scp_assembly_required_p); | |
| 3060 } | |
| 3061 | |
| 3062 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3063 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3064 scp_assembly_required_p); | |
| 3065 } | |
| 3066 | |
| 3067 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3068 const int N_MAX_OPTIONS = 64; | |
| 3069 const int OPTION_BUFFER_SIZE = 1024; | |
| 3070 char buffer[OPTION_BUFFER_SIZE]; | |
| 3071 | |
| 3072 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3073 // Don't check this variable if user has special privileges | |
| 3074 // (e.g. unix su command). | |
| 3075 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3076 !os::have_special_privileges()) { | |
| 3077 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3078 jio_fprintf(defaultStream::error_stream(), | |
| 3079 "Picked up %s: %s\n", name, buffer); | |
| 3080 char* rd = buffer; // pointer to the input string (rd) | |
| 3081 int i; | |
| 3082 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3083 while (isspace(*rd)) rd++; // skip whitespace | |
| 3084 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3085 | |
| 3086 // The output, option string, overwrites the input string. | |
| 3087 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3088 // input string (rd). | |
| 3089 char* wrt = rd; | |
| 3090 | |
| 3091 options[i++].optionString = wrt; // Fill in option | |
| 3092 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3093 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3094 int quote = *rd; // matching quote to look for | |
| 3095 rd++; // don't copy open quote | |
| 3096 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3097 if (*rd == 0) { // string termination means unmatched string | |
| 3098 jio_fprintf(defaultStream::error_stream(), | |
| 3099 "Unmatched quote in %s\n", name); | |
| 3100 return JNI_ERR; | |
| 3101 } | |
| 3102 *wrt++ = *rd++; // copy to option string | |
| 3103 } | |
| 3104 rd++; // don't copy close quote | |
| 3105 } else { | |
| 3106 *wrt++ = *rd++; // copy to option string | |
| 3107 } | |
| 3108 } | |
| 3109 // Need to check if we're done before writing a NULL, | |
| 3110 // because the write could be to the byte that rd is pointing to. | |
| 3111 if (*rd++ == 0) { | |
| 3112 *wrt = 0; | |
| 3113 break; | |
| 3114 } | |
| 3115 *wrt = 0; // Zero terminate option | |
| 3116 } | |
| 3117 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3118 JavaVMInitArgs vm_args; | |
| 3119 vm_args.version = JNI_VERSION_1_2; | |
| 3120 vm_args.options = options; | |
| 3121 vm_args.nOptions = i; | |
| 564 | 3122 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3123 |
| 3124 if (PrintVMOptions) { | |
| 3125 const char* tail; | |
| 3126 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3127 const JavaVMOption *option = vm_args.options + i; | |
| 3128 if (match_option(option, "-XX:", &tail)) { | |
| 3129 logOption(tail); | |
| 3130 } | |
| 3131 } | |
| 3132 } | |
| 3133 | |
| 3134 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, ENVIRON_VAR)); | |
| 3135 } | |
| 3136 return JNI_OK; | |
| 3137 } | |
| 3138 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3139 void Arguments::set_shared_spaces_flags() { |
| 2378 | 3140 const bool must_share = DumpSharedSpaces || RequireSharedSpaces; |
| 3141 const bool might_share = must_share || UseSharedSpaces; | |
| 3142 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3143 // CompressedOops cannot be used with CDS. The offsets of oopmaps and |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3144 // static fields are incorrect in the archive. With some more clever |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3145 // initialization, this restriction can probably be lifted. |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3146 // ??? UseLargePages might be okay now |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3147 const bool cannot_share = UseCompressedOops || |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3148 (UseLargePages && FLAG_IS_CMDLINE(UseLargePages)); |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3149 if (cannot_share) { |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3150 if (must_share) { |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
3151 warning("disabling large pages %s" |
| 2378 | 3152 "because of %s", "" LP64_ONLY("and compressed oops "), |
| 3153 DumpSharedSpaces ? "-Xshare:dump" : "-Xshare:on"); | |
| 3154 FLAG_SET_CMDLINE(bool, UseLargePages, false); | |
| 3155 LP64_ONLY(FLAG_SET_CMDLINE(bool, UseCompressedOops, false)); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3156 LP64_ONLY(FLAG_SET_CMDLINE(bool, UseCompressedKlassPointers, false)); |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3157 } else { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3158 // Prefer compressed oops and large pages to class data sharing |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3159 if (UseSharedSpaces && Verbose) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3160 warning("turning off use of shared archive because of large pages%s", |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3161 "" LP64_ONLY(" and/or compressed oops")); |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3162 } |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3163 no_shared_spaces(); |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3164 } |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3165 } else if (UseLargePages && might_share) { |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3166 // Disable large pages to allow shared spaces. This is sub-optimal, since |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3167 // there may not even be a shared archive to use. |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3168 FLAG_SET_DEFAULT(UseLargePages, false); |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3169 } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3170 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3171 // Add 2M to any size for SharedReadOnlySize to get around the JPRT setting |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3172 if (DumpSharedSpaces && !FLAG_IS_DEFAULT(SharedReadOnlySize)) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3173 SharedReadOnlySize = 14*M; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3174 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3175 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3176 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3177 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3178 warning("cannot dump shared archive while using shared archive"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3179 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3180 UseSharedSpaces = false; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3181 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3182 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3183 |
|
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3184 // Disable options not supported in this release, with a warning if they |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3185 // were explicitly requested on the command-line |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3186 #define UNSUPPORTED_OPTION(opt, description) \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3187 do { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3188 if (opt) { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3189 if (FLAG_IS_CMDLINE(opt)) { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3190 warning(description " is disabled in this release."); \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3191 } \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3192 FLAG_SET_DEFAULT(opt, false); \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3193 } \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3194 } while(0) |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3195 |
| 0 | 3196 // Parse entry point called from JNI_CreateJavaVM |
| 3197 | |
| 3198 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 3199 | |
| 3200 // Sharing support | |
| 3201 // Construct the path to the archive | |
| 3202 char jvm_path[JVM_MAXPATHLEN]; | |
| 3203 os::jvm_path(jvm_path, sizeof(jvm_path)); | |
| 3204 char *end = strrchr(jvm_path, *os::file_separator()); | |
| 3205 if (end != NULL) *end = '\0'; | |
| 3206 char *shared_archive_path = NEW_C_HEAP_ARRAY(char, strlen(jvm_path) + | |
| 6197 | 3207 strlen(os::file_separator()) + 20, mtInternal); |
| 0 | 3208 if (shared_archive_path == NULL) return JNI_ENOMEM; |
| 3209 strcpy(shared_archive_path, jvm_path); | |
| 3210 strcat(shared_archive_path, os::file_separator()); | |
| 3211 strcat(shared_archive_path, "classes"); | |
| 3212 DEBUG_ONLY(strcat(shared_archive_path, "_g");) | |
| 3213 strcat(shared_archive_path, ".jsa"); | |
| 3214 SharedArchivePath = shared_archive_path; | |
| 3215 | |
| 3216 // Remaining part of option string | |
| 3217 const char* tail; | |
| 3218 | |
| 3219 // If flag "-XX:Flags=flags-file" is used it will be the first option to be processed. | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3220 const char* hotspotrc = ".hotspotrc"; |
| 0 | 3221 bool settings_file_specified = false; |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3222 bool needs_hotspotrc_warning = false; |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3223 |
| 564 | 3224 const char* flags_file; |
| 0 | 3225 int index; |
| 3226 for (index = 0; index < args->nOptions; index++) { | |
| 3227 const JavaVMOption *option = args->options + index; | |
| 3228 if (match_option(option, "-XX:Flags=", &tail)) { | |
| 564 | 3229 flags_file = tail; |
| 0 | 3230 settings_file_specified = true; |
| 3231 } | |
| 3232 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
| 3233 PrintVMOptions = true; | |
| 3234 } | |
|
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3235 if (match_option(option, "-XX:-PrintVMOptions", &tail)) { |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3236 PrintVMOptions = false; |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3237 } |
| 564 | 3238 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
| 3239 IgnoreUnrecognizedVMOptions = true; | |
| 3240 } | |
| 3241 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
| 3242 IgnoreUnrecognizedVMOptions = false; | |
| 3243 } | |
| 1150 | 3244 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
| 4773 | 3245 CommandLineFlags::printFlags(tty, false); |
| 1150 | 3246 vm_exit(0); |
| 3247 } | |
| 6197 | 3248 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3249 #if INCLUDE_NMT |
| 6197 | 3250 MemTracker::init_tracking_options(tail); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3251 #else |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3252 warning("Native Memory Tracking is not supported in this VM"); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3253 #endif |
| 6197 | 3254 } |
| 3255 | |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3256 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3257 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3258 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3259 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3260 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3261 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3262 #endif |
| 564 | 3263 } |
| 3264 | |
| 3265 if (IgnoreUnrecognizedVMOptions) { | |
| 3266 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3267 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3268 } | |
| 3269 | |
| 3270 // Parse specified settings file | |
| 3271 if (settings_file_specified) { | |
| 3272 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3273 return JNI_EINVAL; | |
| 3274 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3275 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3276 #ifdef ASSERT |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3277 // Parse default .hotspotrc settings file |
| 0 | 3278 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3279 return JNI_EINVAL; | |
| 3280 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3281 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3282 struct stat buf; |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3283 if (os::stat(hotspotrc, &buf) == 0) { |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3284 needs_hotspotrc_warning = true; |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3285 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3286 #endif |
| 0 | 3287 } |
| 3288 | |
| 3289 if (PrintVMOptions) { | |
| 3290 for (index = 0; index < args->nOptions; index++) { | |
| 3291 const JavaVMOption *option = args->options + index; | |
| 3292 if (match_option(option, "-XX:", &tail)) { | |
| 3293 logOption(tail); | |
| 3294 } | |
| 3295 } | |
| 3296 } | |
| 3297 | |
| 3298 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3299 jint result = parse_vm_init_args(args); | |
| 3300 if (result != JNI_OK) { | |
| 3301 return result; | |
| 3302 } | |
| 3303 | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3304 // Delay warning until here so that we've had a chance to process |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3305 // the -XX:-PrintWarnings flag |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3306 if (needs_hotspotrc_warning) { |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3307 warning("%s file is present but has been ignored. " |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3308 "Run with -XX:Flags=%s to load the file.", |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3309 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3310 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3311 |
|
6055
35e504cb49a6
7167625: Adjustments for SE-Embedded build process
collins
parents:
6017
diff
changeset
|
3312 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3313 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3314 #endif |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3315 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3316 #ifdef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3317 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3318 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3319 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3320 #if !INCLUDE_ALTERNATE_GCS |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3321 if (UseParallelGC) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3322 warning("Parallel GC is not supported in this VM. Using Serial GC."); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3323 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3324 if (UseParallelOldGC) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3325 warning("Parallel Old GC is not supported in this VM. Using Serial GC."); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3326 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3327 if (UseConcMarkSweepGC) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3328 warning("Concurrent Mark Sweep GC is not supported in this VM. Using Serial GC."); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3329 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3330 if (UseParNewGC) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3331 warning("Par New GC is not supported in this VM. Using Serial GC."); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3332 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3333 #endif // INCLUDE_ALTERNATE_GCS |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3334 |
| 0 | 3335 #ifndef PRODUCT |
| 3336 if (TraceBytecodesAt != 0) { | |
| 3337 TraceBytecodes = true; | |
| 3338 } | |
| 3339 if (CountCompiledCalls) { | |
| 3340 if (UseCounterDecay) { | |
| 3341 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 3342 UseCounterDecay = false; | |
| 3343 } | |
| 3344 } | |
| 3345 #endif // PRODUCT | |
| 3346 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3347 // JSR 292 is not supported before 1.7 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3348 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3349 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3350 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3351 warning("JSR 292 is not supported before 1.7. Disabling support."); |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3352 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3353 EnableInvokeDynamic = false; |
| 710 | 3354 } |
| 3355 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3356 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3357 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3358 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3359 warning("forcing ScavengeRootsInCode non-zero because EnableInvokeDynamic is true"); |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3360 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3361 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3362 } |
| 710 | 3363 |
| 0 | 3364 if (PrintGCDetails) { |
| 3365 // Turn on -verbose:gc options as well | |
| 3366 PrintGC = true; | |
| 3367 } | |
| 3368 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3369 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3370 // To avoid changing the log format for 7 updates this flag is only |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3371 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3372 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3373 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3374 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3375 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3376 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3377 // Set object alignment values. |
|
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3378 set_object_alignment(); |
|
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3379 |
| 0 | 3380 #ifdef SERIALGC |
| 1064 | 3381 force_serial_gc(); |
| 0 | 3382 #endif // SERIALGC |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3383 #if !INCLUDE_CDS |
| 0 | 3384 no_shared_spaces(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3385 #endif // INCLUDE_CDS |
| 0 | 3386 |
| 3387 // Set flags based on ergonomics. | |
| 3388 set_ergonomics_flags(); | |
| 3389 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3390 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3391 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3392 // Check the GC selections again. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3393 if (!check_gc_consistency()) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3394 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3395 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3396 |
| 1783 | 3397 if (TieredCompilation) { |
| 3398 set_tiered_flags(); | |
| 3399 } else { | |
| 3400 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
|
5176
af59b4dfc9e4
compilation queue changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5152
diff
changeset
|
3401 if (CompilationPolicyChoice >= 2 && CompilationPolicyChoice < 4) { |
| 1783 | 3402 vm_exit_during_initialization( |
| 3403 "Incompatible compilation policy selected", NULL); | |
| 3404 } | |
| 3405 } | |
| 3406 | |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3407 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3408 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3409 |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3410 #if INCLUDE_ALTERNATE_GCS |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3411 // Set per-collector flags |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3412 if (UseParallelGC || UseParallelOldGC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3413 set_parallel_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3414 } else if (UseConcMarkSweepGC) { // should be done before ParNew check below |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3415 set_cms_and_parnew_gc_flags(); |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3416 } else if (UseParNewGC) { // skipped if CMS is set above |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3417 set_parnew_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3418 } else if (UseG1GC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3419 set_g1_gc_flags(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3420 } |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3421 #endif // INCLUDE_ALTERNATE_GCS |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3422 |
| 0 | 3423 #ifdef SERIALGC |
| 3424 assert(verify_serial_gc_flags(), "SerialGC unset"); | |
| 3425 #endif // SERIALGC | |
| 3426 | |
| 3427 // Set bytecode rewriting flags | |
| 3428 set_bytecode_flags(); | |
| 3429 | |
| 3430 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
| 3431 set_aggressive_opts_flags(); | |
| 3432 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3433 // Turn off biased locking for locking debug mode flags, |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3434 // which are subtlely different from each other but neither works with |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3435 // biased locking. |
| 2331 | 3436 if (UseHeavyMonitors |
| 3437 #ifdef COMPILER1 | |
| 3438 || !UseFastLocking | |
| 3439 #endif // COMPILER1 | |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
3440 #ifdef GRAAL |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
3441 || !GraalUseFastLocking |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
3442 #endif // GRAAL |
| 2331 | 3443 ) { |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3444 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3445 // flag set to true on command line; warn the user that they |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3446 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3447 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3448 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3449 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3450 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3451 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3452 |
| 0 | 3453 #ifdef CC_INTERP |
| 1131 | 3454 // Clear flags not supported by the C++ interpreter |
| 3455 FLAG_SET_DEFAULT(ProfileInterpreter, false); | |
| 0 | 3456 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 3457 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3458 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedKlassPointers, false)); |
| 1131 | 3459 #endif // CC_INTERP |
| 3460 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3461 #ifdef COMPILER2 |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3462 if (!UseBiasedLocking || EmitSync != 0) { |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3463 UseOptoBiasInlining = false; |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3464 } |
| 4777 | 3465 if (!EliminateLocks) { |
| 3466 EliminateNestedLocks = false; | |
| 3467 } | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3468 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3469 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3470 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3471 warning("PrintAssembly is enabled; turning on DebugNonSafepoints to gain additional output"); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3472 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3473 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3474 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3475 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3476 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3477 // Force NmethodSweeper to sweep whole CodeCache each time. |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3478 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3479 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3480 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3481 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3482 #endif |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3483 |
| 0 | 3484 if (PrintCommandLineFlags) { |
| 4773 | 3485 CommandLineFlags::printSetFlags(tty); |
| 0 | 3486 } |
| 3487 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3488 // Apply CPU specific policy for the BiasedLocking |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3489 if (UseBiasedLocking) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3490 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3491 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3492 UseBiasedLocking = false; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3493 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3494 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3495 |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3496 // set PauseAtExit if the gamma launcher was used and a debugger is attached |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3497 // but only if not already set on the commandline |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3498 if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3499 bool set = false; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3500 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3501 if (!set) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3502 FLAG_SET_DEFAULT(PauseAtExit, true); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3503 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3504 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3505 |
| 0 | 3506 return JNI_OK; |
| 3507 } | |
| 3508 | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3509 jint Arguments::adjust_after_os() { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3510 #if INCLUDE_ALTERNATE_GCS |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3511 if (UseParallelGC || UseParallelOldGC) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3512 if (UseNUMA) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3513 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3514 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3515 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3516 // For those collectors or operating systems (eg, Windows) that do |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3517 // not support full UseNUMA, we will map to UseNUMAInterleaving for now |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3518 UseNUMAInterleaving = true; |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3519 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3520 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3521 #endif |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3522 return JNI_OK; |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3523 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3524 |
| 0 | 3525 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 3526 int count = 0; | |
| 3527 while(pl != NULL) { | |
| 3528 count++; | |
| 3529 pl = pl->next(); | |
| 3530 } | |
| 3531 return count; | |
| 3532 } | |
| 3533 | |
| 3534 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 3535 assert(key != NULL, "just checking"); | |
| 3536 SystemProperty* prop; | |
| 3537 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 3538 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 3539 } | |
| 3540 return NULL; | |
| 3541 } | |
| 3542 | |
| 3543 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 3544 int count = 0; | |
| 3545 const char* ret_val = NULL; | |
| 3546 | |
| 3547 while(pl != NULL) { | |
| 3548 if(count >= index) { | |
| 3549 ret_val = pl->key(); | |
| 3550 break; | |
| 3551 } | |
| 3552 count++; | |
| 3553 pl = pl->next(); | |
| 3554 } | |
| 3555 | |
| 3556 return ret_val; | |
| 3557 } | |
| 3558 | |
| 3559 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 3560 int count = 0; | |
| 3561 char* ret_val = NULL; | |
| 3562 | |
| 3563 while(pl != NULL) { | |
| 3564 if(count >= index) { | |
| 3565 ret_val = pl->value(); | |
| 3566 break; | |
| 3567 } | |
| 3568 count++; | |
| 3569 pl = pl->next(); | |
| 3570 } | |
| 3571 | |
| 3572 return ret_val; | |
| 3573 } | |
| 3574 | |
| 3575 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 3576 SystemProperty* p = *plist; | |
| 3577 if (p == NULL) { | |
| 3578 *plist = new_p; | |
| 3579 } else { | |
| 3580 while (p->next() != NULL) { | |
| 3581 p = p->next(); | |
| 3582 } | |
| 3583 p->set_next(new_p); | |
| 3584 } | |
| 3585 } | |
| 3586 | |
| 3587 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 3588 if (plist == NULL) | |
| 3589 return; | |
| 3590 | |
| 3591 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 3592 PropertyList_add(plist, new_p); | |
| 3593 } | |
| 3594 | |
| 3595 // This add maintains unique property key in the list. | |
| 691 | 3596 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 3597 if (plist == NULL) |
| 3598 return; | |
| 3599 | |
| 3600 // If property key exist then update with new value. | |
| 3601 SystemProperty* prop; | |
| 3602 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 3603 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 3604 if (append) { |
| 3605 prop->append_value(v); | |
| 3606 } else { | |
| 3607 prop->set_value(v); | |
| 3608 } | |
| 0 | 3609 return; |
| 3610 } | |
| 3611 } | |
| 3612 | |
| 3613 PropertyList_add(plist, k, v); | |
| 3614 } | |
| 3615 | |
| 3616 #ifdef KERNEL | |
| 3617 char *Arguments::get_kernel_properties() { | |
| 3618 // Find properties starting with kernel and append them to string | |
| 3619 // We need to find out how long they are first because the URL's that they | |
| 3620 // might point to could get long. | |
| 3621 int length = 0; | |
| 3622 SystemProperty* prop; | |
| 3623 for (prop = _system_properties; prop != NULL; prop = prop->next()) { | |
| 3624 if (strncmp(prop->key(), "kernel.", 7 ) == 0) { | |
| 3625 length += (strlen(prop->key()) + strlen(prop->value()) + 5); // "-D =" | |
| 3626 } | |
| 3627 } | |
| 3628 // Add one for null terminator. | |
| 6197 | 3629 char *props = AllocateHeap(length + 1, mtInternal); |
| 0 | 3630 if (length != 0) { |
| 3631 int pos = 0; | |
| 3632 for (prop = _system_properties; prop != NULL; prop = prop->next()) { | |
| 3633 if (strncmp(prop->key(), "kernel.", 7 ) == 0) { | |
| 3634 jio_snprintf(&props[pos], length-pos, | |
| 3635 "-D%s=%s ", prop->key(), prop->value()); | |
| 3636 pos = strlen(props); | |
| 3637 } | |
| 3638 } | |
| 3639 } | |
| 3640 // null terminate props in case of null | |
| 3641 props[length] = '\0'; | |
| 3642 return props; | |
| 3643 } | |
| 3644 #endif // KERNEL | |
| 3645 | |
| 3646 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 3647 // Returns true if all of the source pointed by src has been copied over to | |
| 3648 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 3649 // Notes: | |
| 3650 // 1. If the length (buflen) of the destination buffer excluding the | |
| 3651 // NULL terminator character is not long enough for holding the expanded | |
| 3652 // pid characters, it also returns false instead of returning the partially | |
| 3653 // expanded one. | |
| 3654 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 3655 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 3656 char* buf, size_t buflen) { | |
| 3657 const char* p = src; | |
| 3658 char* b = buf; | |
| 3659 const char* src_end = &src[srclen]; | |
| 3660 char* buf_end = &buf[buflen - 1]; | |
| 3661 | |
| 3662 while (p < src_end && b < buf_end) { | |
| 3663 if (*p == '%') { | |
| 3664 switch (*(++p)) { | |
| 3665 case '%': // "%%" ==> "%" | |
| 3666 *b++ = *p++; | |
| 3667 break; | |
| 3668 case 'p': { // "%p" ==> current process id | |
| 3669 // buf_end points to the character before the last character so | |
| 3670 // that we could write '\0' to the end of the buffer. | |
| 3671 size_t buf_sz = buf_end - b + 1; | |
| 3672 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 3673 | |
| 3674 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 3675 // the expanded pid, returns false. | |
| 3676 if (ret < 0 || ret >= (int)buf_sz) { | |
| 3677 return false; | |
| 3678 } else { | |
| 3679 b += ret; | |
| 3680 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 3681 if (p == src_end && b == buf_end + 1) { | |
| 3682 // reach the end of the buffer. | |
| 3683 return true; | |
| 3684 } | |
| 3685 } | |
| 3686 p++; | |
| 3687 break; | |
| 3688 } | |
| 3689 default : | |
| 3690 *b++ = '%'; | |
| 3691 } | |
| 3692 } else { | |
| 3693 *b++ = *p++; | |
| 3694 } | |
| 3695 } | |
| 3696 *b = '\0'; | |
| 3697 return (p == src_end); // return false if not all of the source was copied | |
| 3698 } |