Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 10270:f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
Summary: Added the -XX:SharedArchiveFile option.
Reviewed-by: coleenp, ccheung, acorn, dcubed, zgu
| author | hseigel |
|---|---|
| date | Tue, 14 May 2013 09:17:52 -0400 |
| parents | 735c995bf1a1 |
| children | e484fe2abebd 2958af1d8c5a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, 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" |
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41 #include "utilities/macros.hpp" |
| 1972 | 42 #include "utilities/taskqueue.hpp" |
| 43 #ifdef TARGET_OS_FAMILY_linux | |
| 44 # include "os_linux.inline.hpp" | |
| 45 #endif | |
| 46 #ifdef TARGET_OS_FAMILY_solaris | |
| 47 # include "os_solaris.inline.hpp" | |
| 48 #endif | |
| 49 #ifdef TARGET_OS_FAMILY_windows | |
| 50 # include "os_windows.inline.hpp" | |
| 51 #endif | |
| 3960 | 52 #ifdef TARGET_OS_FAMILY_bsd |
| 53 # include "os_bsd.inline.hpp" | |
| 54 #endif | |
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55 #if INCLUDE_ALL_GCS |
| 1972 | 56 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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57 #endif // INCLUDE_ALL_GCS |
| 0 | 58 |
| 2474 | 59 // Note: This is a special bug reporting site for the JVM |
| 60 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
| 0 | 61 #define DEFAULT_JAVA_LAUNCHER "generic" |
| 62 | |
| 63 char** Arguments::_jvm_flags_array = NULL; | |
| 64 int Arguments::_num_jvm_flags = 0; | |
| 65 char** Arguments::_jvm_args_array = NULL; | |
| 66 int Arguments::_num_jvm_args = 0; | |
| 67 char* Arguments::_java_command = NULL; | |
| 68 SystemProperty* Arguments::_system_properties = NULL; | |
| 69 const char* Arguments::_gc_log_filename = NULL; | |
| 70 bool Arguments::_has_profile = false; | |
| 71 bool Arguments::_has_alloc_profile = false; | |
| 72 uintx Arguments::_min_heap_size = 0; | |
| 73 Arguments::Mode Arguments::_mode = _mixed; | |
| 74 bool Arguments::_java_compiler = false; | |
| 75 bool Arguments::_xdebug_mode = false; | |
| 76 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
| 77 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
| 78 int Arguments::_sun_java_launcher_pid = -1; | |
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79 bool Arguments::_created_by_gamma_launcher = false; |
| 0 | 80 |
| 81 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
| 82 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 83 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 84 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 85 bool Arguments::_ClipInlining = ClipInlining; | |
| 86 | |
| 87 char* Arguments::SharedArchivePath = NULL; | |
| 88 | |
| 89 AgentLibraryList Arguments::_libraryList; | |
| 90 AgentLibraryList Arguments::_agentList; | |
| 91 | |
| 92 abort_hook_t Arguments::_abort_hook = NULL; | |
| 93 exit_hook_t Arguments::_exit_hook = NULL; | |
| 94 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
| 95 | |
| 96 | |
| 97 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
| 98 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
| 99 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
| 100 SystemProperty *Arguments::_java_library_path = NULL; | |
| 101 SystemProperty *Arguments::_java_home = NULL; | |
| 102 SystemProperty *Arguments::_java_class_path = NULL; | |
| 103 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
| 104 | |
| 105 char* Arguments::_meta_index_path = NULL; | |
| 106 char* Arguments::_meta_index_dir = NULL; | |
| 107 | |
| 108 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
| 109 | |
| 110 static bool match_option(const JavaVMOption *option, const char* name, | |
| 111 const char** tail) { | |
| 112 int len = (int)strlen(name); | |
| 113 if (strncmp(option->optionString, name, len) == 0) { | |
| 114 *tail = option->optionString + len; | |
| 115 return true; | |
| 116 } else { | |
| 117 return false; | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 static void logOption(const char* opt) { | |
| 122 if (PrintVMOptions) { | |
| 123 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 // Process java launcher properties. | |
| 128 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
| 129 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
| 130 // Must do this before setting up other system properties, | |
| 131 // as some of them may depend on launcher type. | |
| 132 for (int index = 0; index < args->nOptions; index++) { | |
| 133 const JavaVMOption* option = args->options + index; | |
| 134 const char* tail; | |
| 135 | |
| 136 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
| 137 process_java_launcher_argument(tail, option->extraInfo); | |
| 138 continue; | |
| 139 } | |
| 140 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
| 141 _sun_java_launcher_pid = atoi(tail); | |
| 142 continue; | |
| 143 } | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 // Initialize system properties key and value. | |
| 148 void Arguments::init_system_properties() { | |
| 149 | |
| 150 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
| 151 "Java Virtual Machine Specification", false)); | |
| 152 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
| 153 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
| 154 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
| 155 | |
| 156 // following are JVMTI agent writeable properties. | |
| 157 // Properties values are set to NULL and they are | |
| 158 // os specific they are initialized in os::init_system_properties_values(). | |
| 159 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
| 160 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
| 161 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
| 162 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
| 163 _java_home = new SystemProperty("java.home", NULL, true); | |
| 164 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
| 165 | |
| 166 _java_class_path = new SystemProperty("java.class.path", "", true); | |
| 167 | |
| 168 // Add to System Property list. | |
| 169 PropertyList_add(&_system_properties, _java_ext_dirs); | |
| 170 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
| 171 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
| 172 PropertyList_add(&_system_properties, _java_library_path); | |
| 173 PropertyList_add(&_system_properties, _java_home); | |
| 174 PropertyList_add(&_system_properties, _java_class_path); | |
| 175 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
| 176 | |
| 177 // Set OS specific system properties values | |
| 178 os::init_system_properties_values(); | |
| 179 } | |
| 180 | |
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181 |
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182 // Update/Initialize System properties after JDK version number is known |
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183 void Arguments::init_version_specific_system_properties() { |
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184 enum { bufsz = 16 }; |
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185 char buffer[bufsz]; |
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186 const char* spec_vendor = "Sun Microsystems Inc."; |
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187 uint32_t spec_version = 0; |
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188 |
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189 if (JDK_Version::is_gte_jdk17x_version()) { |
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190 spec_vendor = "Oracle Corporation"; |
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191 spec_version = JDK_Version::current().major_version(); |
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192 } |
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193 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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194 |
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195 PropertyList_add(&_system_properties, |
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196 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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197 PropertyList_add(&_system_properties, |
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198 new SystemProperty("java.vm.specification.version", buffer, false)); |
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199 PropertyList_add(&_system_properties, |
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200 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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201 } |
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202 |
| 242 | 203 /** |
| 204 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
| 205 * When a flag is eliminated, it can be added to this list in order to | |
| 206 * continue accepting this flag on the command-line, while issuing a warning | |
| 207 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
| 208 * limit, we flatly refuse to admit the existence of the flag. This allows | |
| 209 * a flag to die correctly over JDK releases using HSX. | |
| 210 */ | |
| 211 typedef struct { | |
| 212 const char* name; | |
| 213 JDK_Version obsoleted_in; // when the flag went away | |
| 214 JDK_Version accept_until; // which version to start denying the existence | |
| 215 } ObsoleteFlag; | |
| 0 | 216 |
| 242 | 217 static ObsoleteFlag obsolete_jvm_flags[] = { |
| 218 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 219 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 220 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 221 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 222 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 223 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 224 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 225 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 226 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 227 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 228 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 229 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 230 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 231 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
| 1064 | 232 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
| 233 { "DefaultInitialRAMFraction", | |
| 234 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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235 { "UseDepthFirstScavengeOrder", |
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236 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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237 { "HandlePromotionFailure", |
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238 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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239 { "MaxLiveObjectEvacuationRatio", |
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240 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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241 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
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242 { "UseParallelOldGCCompacting", |
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243 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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244 { "UseParallelDensePrefixUpdate", |
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245 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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246 { "UseParallelOldGCDensePrefix", |
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247 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
| 2460 | 248 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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249 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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250 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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251 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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252 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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253 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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254 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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255 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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256 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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257 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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258 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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259 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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260 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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261 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 6916 | 262 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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263 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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264 #ifdef PRODUCT |
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265 { "DesiredMethodLimit", |
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266 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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267 #endif // PRODUCT |
| 242 | 268 { NULL, JDK_Version(0), JDK_Version(0) } |
| 269 }; | |
| 270 | |
| 271 // Returns true if the flag is obsolete and fits into the range specified | |
| 272 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 273 // value is filled in with the version number when the flag became | |
| 274 // obsolete so that that value can be displayed to the user. | |
| 275 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 276 int i = 0; |
| 242 | 277 assert(version != NULL, "Must provide a version buffer"); |
| 278 while (obsolete_jvm_flags[i].name != NULL) { | |
| 279 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 280 // <flag>=xxx form |
| 281 // [-|+]<flag> form | |
| 242 | 282 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 283 ((s[0] == '+' || s[0] == '-') && |
| 242 | 284 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 285 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 286 *version = flag_status.obsoleted_in; | |
| 287 return true; | |
| 288 } | |
| 0 | 289 } |
| 290 i++; | |
| 291 } | |
| 292 return false; | |
| 293 } | |
| 294 | |
| 295 // Constructs the system class path (aka boot class path) from the following | |
| 296 // components, in order: | |
| 297 // | |
| 298 // prefix // from -Xbootclasspath/p:... | |
| 299 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 300 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 301 // suffix // from -Xbootclasspath/a:... | |
| 302 // | |
| 303 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 304 // directories are added to the sysclasspath just before the base. | |
| 305 // | |
| 306 // This could be AllStatic, but it isn't needed after argument processing is | |
| 307 // complete. | |
| 308 class SysClassPath: public StackObj { | |
| 309 public: | |
| 310 SysClassPath(const char* base); | |
| 311 ~SysClassPath(); | |
| 312 | |
| 313 inline void set_base(const char* base); | |
| 314 inline void add_prefix(const char* prefix); | |
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315 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 316 inline void add_suffix(const char* suffix); |
| 317 inline void reset_path(const char* base); | |
| 318 | |
| 319 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 320 // property. Must be called after all command-line arguments have been | |
| 321 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 322 // combined_path(). | |
| 323 void expand_endorsed(); | |
| 324 | |
| 325 inline const char* get_base() const { return _items[_scp_base]; } | |
| 326 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 327 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 328 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 329 | |
| 330 // Combine all the components into a single c-heap-allocated string; caller | |
| 331 // must free the string if/when no longer needed. | |
| 332 char* combined_path(); | |
| 333 | |
| 334 private: | |
| 335 // Utility routines. | |
| 336 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 337 static char* add_jars_to_path(char* path, const char* directory); | |
| 338 | |
| 339 inline void reset_item_at(int index); | |
| 340 | |
| 341 // Array indices for the items that make up the sysclasspath. All except the | |
| 342 // base are allocated in the C heap and freed by this class. | |
| 343 enum { | |
| 344 _scp_prefix, // from -Xbootclasspath/p:... | |
| 345 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 346 _scp_base, // the default sysclasspath | |
| 347 _scp_suffix, // from -Xbootclasspath/a:... | |
| 348 _scp_nitems // the number of items, must be last. | |
| 349 }; | |
| 350 | |
| 351 const char* _items[_scp_nitems]; | |
| 352 DEBUG_ONLY(bool _expansion_done;) | |
| 353 }; | |
| 354 | |
| 355 SysClassPath::SysClassPath(const char* base) { | |
| 356 memset(_items, 0, sizeof(_items)); | |
| 357 _items[_scp_base] = base; | |
| 358 DEBUG_ONLY(_expansion_done = false;) | |
| 359 } | |
| 360 | |
| 361 SysClassPath::~SysClassPath() { | |
| 362 // Free everything except the base. | |
| 363 for (int i = 0; i < _scp_nitems; ++i) { | |
| 364 if (i != _scp_base) reset_item_at(i); | |
| 365 } | |
| 366 DEBUG_ONLY(_expansion_done = false;) | |
| 367 } | |
| 368 | |
| 369 inline void SysClassPath::set_base(const char* base) { | |
| 370 _items[_scp_base] = base; | |
| 371 } | |
| 372 | |
| 373 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 374 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 375 } | |
| 376 | |
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377 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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378 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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379 } |
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380 |
| 0 | 381 inline void SysClassPath::add_suffix(const char* suffix) { |
| 382 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 383 } | |
| 384 | |
| 385 inline void SysClassPath::reset_item_at(int index) { | |
| 386 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 387 if (_items[index] != NULL) { | |
| 6197 | 388 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 389 _items[index] = NULL; |
| 390 } | |
| 391 } | |
| 392 | |
| 393 inline void SysClassPath::reset_path(const char* base) { | |
| 394 // Clear the prefix and suffix. | |
| 395 reset_item_at(_scp_prefix); | |
| 396 reset_item_at(_scp_suffix); | |
| 397 set_base(base); | |
| 398 } | |
| 399 | |
| 400 //------------------------------------------------------------------------------ | |
| 401 | |
| 402 void SysClassPath::expand_endorsed() { | |
| 403 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 404 | |
| 405 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 406 if (path == NULL) { | |
| 407 path = Arguments::get_endorsed_dir(); | |
| 408 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 409 } | |
| 410 | |
| 411 char* expanded_path = NULL; | |
| 412 const char separator = *os::path_separator(); | |
| 413 const char* const end = path + strlen(path); | |
| 414 while (path < end) { | |
| 415 const char* tmp_end = strchr(path, separator); | |
| 416 if (tmp_end == NULL) { | |
| 417 expanded_path = add_jars_to_path(expanded_path, path); | |
| 418 path = end; | |
| 419 } else { | |
| 6197 | 420 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 421 memcpy(dirpath, path, tmp_end - path); |
| 422 dirpath[tmp_end - path] = '\0'; | |
| 423 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 424 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 425 path = tmp_end + 1; |
| 426 } | |
| 427 } | |
| 428 _items[_scp_endorsed] = expanded_path; | |
| 429 DEBUG_ONLY(_expansion_done = true;) | |
| 430 } | |
| 431 | |
| 432 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 433 // c-heap-allocated string. | |
| 434 char* SysClassPath::combined_path() { | |
| 435 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 436 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 437 | |
| 438 size_t lengths[_scp_nitems]; | |
| 439 size_t total_len = 0; | |
| 440 | |
| 441 const char separator = *os::path_separator(); | |
| 442 | |
| 443 // Get the lengths. | |
| 444 int i; | |
| 445 for (i = 0; i < _scp_nitems; ++i) { | |
| 446 if (_items[i] != NULL) { | |
| 447 lengths[i] = strlen(_items[i]); | |
| 448 // Include space for the separator char (or a NULL for the last item). | |
| 449 total_len += lengths[i] + 1; | |
| 450 } | |
| 451 } | |
| 452 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 453 | |
| 454 // Copy the _items to a single string. | |
| 6197 | 455 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 456 char* cp_tmp = cp; |
| 457 for (i = 0; i < _scp_nitems; ++i) { | |
| 458 if (_items[i] != NULL) { | |
| 459 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 460 cp_tmp += lengths[i]; | |
| 461 *cp_tmp++ = separator; | |
| 462 } | |
| 463 } | |
| 464 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 465 return cp; | |
| 466 } | |
| 467 | |
| 468 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 469 char* | |
| 470 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 471 char *cp; | |
| 472 | |
| 473 assert(str != NULL, "just checking"); | |
| 474 if (path == NULL) { | |
| 475 size_t len = strlen(str) + 1; | |
| 6197 | 476 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 477 memcpy(cp, str, len); // copy the trailing null |
| 478 } else { | |
| 479 const char separator = *os::path_separator(); | |
| 480 size_t old_len = strlen(path); | |
| 481 size_t str_len = strlen(str); | |
| 482 size_t len = old_len + str_len + 2; | |
| 483 | |
| 484 if (prepend) { | |
| 6197 | 485 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 486 char* cp_tmp = cp; |
| 487 memcpy(cp_tmp, str, str_len); | |
| 488 cp_tmp += str_len; | |
| 489 *cp_tmp = separator; | |
| 490 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 491 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 492 } else { |
| 6197 | 493 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 494 char* cp_tmp = cp + old_len; |
| 495 *cp_tmp = separator; | |
| 496 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 497 } | |
| 498 } | |
| 499 return cp; | |
| 500 } | |
| 501 | |
| 502 // Scan the directory and append any jar or zip files found to path. | |
| 503 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 504 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 505 DIR* dir = os::opendir(directory); | |
| 506 if (dir == NULL) return path; | |
| 507 | |
| 508 char dir_sep[2] = { '\0', '\0' }; | |
| 509 size_t directory_len = strlen(directory); | |
| 510 const char fileSep = *os::file_separator(); | |
| 511 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 512 | |
| 513 /* Scan the directory for jars/zips, appending them to path. */ | |
| 514 struct dirent *entry; | |
| 6197 | 515 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 516 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 517 const char* name = entry->d_name; | |
| 518 const char* ext = name + strlen(name) - 4; | |
| 519 bool isJarOrZip = ext > name && | |
| 520 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 521 os::file_name_strcmp(ext, ".zip") == 0); | |
| 522 if (isJarOrZip) { | |
| 6197 | 523 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 524 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 525 path = add_to_path(path, jarpath, false); | |
| 6197 | 526 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 527 } |
| 528 } | |
| 6197 | 529 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 530 os::closedir(dir); |
| 531 return path; | |
| 532 } | |
| 533 | |
| 534 // Parses a memory size specification string. | |
|
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535 static bool atomull(const char *s, julong* result) { |
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536 julong n = 0; |
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537 int args_read = sscanf(s, JULONG_FORMAT, &n); |
| 0 | 538 if (args_read != 1) { |
| 539 return false; | |
| 540 } | |
| 541 while (*s != '\0' && isdigit(*s)) { | |
| 542 s++; | |
| 543 } | |
| 544 // 4705540: illegal if more characters are found after the first non-digit | |
| 545 if (strlen(s) > 1) { | |
| 546 return false; | |
| 547 } | |
| 548 switch (*s) { | |
| 549 case 'T': case 't': | |
| 550 *result = n * G * K; | |
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551 // Check for overflow. |
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552 if (*result/((julong)G * K) != n) return false; |
| 0 | 553 return true; |
| 554 case 'G': case 'g': | |
| 555 *result = n * G; | |
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556 if (*result/G != n) return false; |
| 0 | 557 return true; |
| 558 case 'M': case 'm': | |
| 559 *result = n * M; | |
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560 if (*result/M != n) return false; |
| 0 | 561 return true; |
| 562 case 'K': case 'k': | |
| 563 *result = n * K; | |
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564 if (*result/K != n) return false; |
| 0 | 565 return true; |
| 566 case '\0': | |
| 567 *result = n; | |
| 568 return true; | |
| 569 default: | |
| 570 return false; | |
| 571 } | |
| 572 } | |
| 573 | |
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574 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 575 if (size < min_size) return arg_too_small; |
| 576 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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577 if (size > max_uintx) return arg_too_big; |
| 0 | 578 return arg_in_range; |
| 579 } | |
| 580 | |
| 581 // Describe an argument out of range error | |
| 582 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 583 switch(errcode) { | |
| 584 case arg_too_big: | |
| 585 jio_fprintf(defaultStream::error_stream(), | |
| 586 "The specified size exceeds the maximum " | |
| 587 "representable size.\n"); | |
| 588 break; | |
| 589 case arg_too_small: | |
| 590 case arg_unreadable: | |
| 591 case arg_in_range: | |
| 592 // do nothing for now | |
| 593 break; | |
| 594 default: | |
| 595 ShouldNotReachHere(); | |
| 596 } | |
| 597 } | |
| 598 | |
| 599 static bool set_bool_flag(char* name, bool value, FlagValueOrigin origin) { | |
| 600 return CommandLineFlags::boolAtPut(name, &value, origin); | |
| 601 } | |
| 602 | |
| 603 static bool set_fp_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
| 604 double v; | |
| 605 if (sscanf(value, "%lf", &v) != 1) { | |
| 606 return false; | |
| 607 } | |
| 608 | |
| 609 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 610 return true; | |
| 611 } | |
| 612 return false; | |
| 613 } | |
| 614 | |
| 615 static bool set_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
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616 julong v; |
| 0 | 617 intx intx_v; |
| 618 bool is_neg = false; | |
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619 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 620 if (*value == '-') { |
| 621 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 622 return false; | |
| 623 } | |
| 624 value++; | |
| 625 is_neg = true; | |
| 626 } | |
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627 if (!atomull(value, &v)) { |
| 0 | 628 return false; |
| 629 } | |
| 630 intx_v = (intx) v; | |
| 631 if (is_neg) { | |
| 632 intx_v = -intx_v; | |
| 633 } | |
| 634 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 635 return true; | |
| 636 } | |
| 637 uintx uintx_v = (uintx) v; | |
| 638 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 639 return true; | |
| 640 } | |
| 1064 | 641 uint64_t uint64_t_v = (uint64_t) v; |
| 642 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 643 return true; | |
| 644 } | |
| 0 | 645 return false; |
| 646 } | |
| 647 | |
| 648 static bool set_string_flag(char* name, const char* value, FlagValueOrigin origin) { | |
| 649 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; | |
| 650 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 651 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 652 return true; |
| 653 } | |
| 654 | |
| 655 static bool append_to_string_flag(char* name, const char* new_value, FlagValueOrigin origin) { | |
| 656 const char* old_value = ""; | |
| 657 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 658 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 659 size_t new_len = strlen(new_value); | |
| 660 const char* value; | |
| 661 char* free_this_too = NULL; | |
| 662 if (old_len == 0) { | |
| 663 value = new_value; | |
| 664 } else if (new_len == 0) { | |
| 665 value = old_value; | |
| 666 } else { | |
| 6197 | 667 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 668 // each new setting adds another LINE to the switch: |
| 669 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 670 value = buf; | |
| 671 free_this_too = buf; | |
| 672 } | |
| 673 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 674 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 675 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 676 if (free_this_too != NULL) { |
| 677 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 678 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 679 } |
| 680 return true; | |
| 681 } | |
| 682 | |
| 683 bool Arguments::parse_argument(const char* arg, FlagValueOrigin origin) { | |
| 684 | |
| 685 // range of acceptable characters spelled out for portability reasons | |
| 686 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 687 #define BUFLEN 255 | |
| 688 char name[BUFLEN+1]; | |
| 689 char dummy; | |
| 690 | |
| 691 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 692 return set_bool_flag(name, false, origin); | |
| 693 } | |
| 694 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 695 return set_bool_flag(name, true, origin); | |
| 696 } | |
| 697 | |
| 698 char punct; | |
| 699 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 700 const char* value = strchr(arg, '=') + 1; | |
| 701 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 702 if (flag != NULL && flag->is_ccstr()) { | |
| 703 if (flag->ccstr_accumulates()) { | |
| 704 return append_to_string_flag(name, value, origin); | |
| 705 } else { | |
| 706 if (value[0] == '\0') { | |
| 707 value = NULL; | |
| 708 } | |
| 709 return set_string_flag(name, value, origin); | |
| 710 } | |
| 711 } | |
| 712 } | |
| 713 | |
| 714 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 715 const char* value = strchr(arg, '=') + 1; | |
| 716 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 717 if (value[0] == '\0') { | |
| 718 value = NULL; | |
| 719 } | |
| 720 return set_string_flag(name, value, origin); | |
| 721 } | |
| 722 | |
| 723 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 724 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 725 #define NUMBER_RANGE "[0123456789]" | |
| 726 char value[BUFLEN + 1]; | |
| 727 char value2[BUFLEN + 1]; | |
| 728 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 729 // Looks like a floating-point number -- try again with more lenient format string | |
| 730 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 731 return set_fp_numeric_flag(name, value, origin); | |
| 732 } | |
| 733 } | |
| 734 | |
| 735 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 736 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 737 return set_numeric_flag(name, value, origin); | |
| 738 } | |
| 739 | |
| 740 return false; | |
| 741 } | |
| 742 | |
| 743 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 744 assert(bldarray != NULL, "illegal argument"); | |
| 745 | |
| 746 if (arg == NULL) { | |
| 747 return; | |
| 748 } | |
| 749 | |
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750 int new_count = *count + 1; |
| 0 | 751 |
| 752 // expand the array and add arg to the last element | |
| 753 if (*bldarray == NULL) { | |
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754 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
| 0 | 755 } else { |
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756 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
| 0 | 757 } |
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758 (*bldarray)[*count] = strdup(arg); |
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759 *count = new_count; |
| 0 | 760 } |
| 761 | |
| 762 void Arguments::build_jvm_args(const char* arg) { | |
| 763 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 764 } | |
| 765 | |
| 766 void Arguments::build_jvm_flags(const char* arg) { | |
| 767 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 768 } | |
| 769 | |
| 770 // utility function to return a string that concatenates all | |
| 771 // strings in a given char** array | |
| 772 const char* Arguments::build_resource_string(char** args, int count) { | |
| 773 if (args == NULL || count == 0) { | |
| 774 return NULL; | |
| 775 } | |
| 776 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 777 for (int i = 1; i < count; i++) { | |
| 778 length += strlen(args[i]) + 1; // add 1 for a space | |
| 779 } | |
| 780 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 781 strcpy(s, args[0]); | |
| 782 for (int j = 1; j < count; j++) { | |
| 783 strcat(s, " "); | |
| 784 strcat(s, args[j]); | |
| 785 } | |
| 786 return (const char*) s; | |
| 787 } | |
| 788 | |
| 789 void Arguments::print_on(outputStream* st) { | |
| 790 st->print_cr("VM Arguments:"); | |
| 791 if (num_jvm_flags() > 0) { | |
| 792 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 793 } | |
| 794 if (num_jvm_args() > 0) { | |
| 795 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 796 } | |
| 797 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
|
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798 if (_java_class_path != NULL) { |
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799 char* path = _java_class_path->value(); |
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800 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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801 } |
| 0 | 802 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 803 } | |
| 804 | |
| 805 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 806 if (_num_jvm_flags > 0) { | |
| 807 for (int i=0; i < _num_jvm_flags; i++) { | |
| 808 st->print("%s ", _jvm_flags_array[i]); | |
| 809 } | |
| 810 st->print_cr(""); | |
| 811 } | |
| 812 } | |
| 813 | |
| 814 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 815 if (_num_jvm_args > 0) { | |
| 816 for (int i=0; i < _num_jvm_args; i++) { | |
| 817 st->print("%s ", _jvm_args_array[i]); | |
| 818 } | |
| 819 st->print_cr(""); | |
| 820 } | |
| 821 } | |
| 822 | |
| 242 | 823 bool Arguments::process_argument(const char* arg, |
| 824 jboolean ignore_unrecognized, FlagValueOrigin origin) { | |
| 825 | |
| 826 JDK_Version since = JDK_Version(); | |
| 0 | 827 |
| 3250 | 828 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 829 return true; | |
| 0 | 830 } |
| 3250 | 831 |
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832 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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833 const char* const argname = has_plus_minus ? arg + 1 : arg; |
| 3250 | 834 if (is_newly_obsolete(arg, &since)) { |
| 835 char version[256]; | |
| 836 since.to_string(version, sizeof(version)); | |
| 837 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 838 return true; | |
| 839 } | |
| 840 | |
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841 // For locked flags, report a custom error message if available. |
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842 // Otherwise, report the standard unrecognized VM option. |
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843 |
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844 size_t arg_len; |
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845 const char* equal_sign = strchr(argname, '='); |
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846 if (equal_sign == NULL) { |
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847 arg_len = strlen(argname); |
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848 } else { |
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849 arg_len = equal_sign - argname; |
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850 } |
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851 |
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852 Flag* found_flag = Flag::find_flag((char*)argname, arg_len, true); |
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853 if (found_flag != NULL) { |
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854 char locked_message_buf[BUFLEN]; |
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855 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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856 if (strlen(locked_message_buf) == 0) { |
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857 if (found_flag->is_bool() && !has_plus_minus) { |
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858 jio_fprintf(defaultStream::error_stream(), |
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859 "Missing +/- setting for VM option '%s'\n", argname); |
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860 } else if (!found_flag->is_bool() && has_plus_minus) { |
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861 jio_fprintf(defaultStream::error_stream(), |
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862 "Unexpected +/- setting in VM option '%s'\n", argname); |
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863 } else { |
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864 jio_fprintf(defaultStream::error_stream(), |
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865 "Improperly specified VM option '%s'\n", argname); |
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866 } |
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867 } else { |
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868 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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869 } |
| 6017 | 870 } else { |
| 871 jio_fprintf(defaultStream::error_stream(), | |
| 872 "Unrecognized VM option '%s'\n", argname); | |
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873 } |
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874 |
| 3250 | 875 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 876 return arg[0] == '#'; | |
| 0 | 877 } |
| 878 | |
| 879 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 880 FILE* stream = fopen(file_name, "rb"); | |
| 881 if (stream == NULL) { | |
| 882 if (should_exist) { | |
| 883 jio_fprintf(defaultStream::error_stream(), | |
| 884 "Could not open settings file %s\n", file_name); | |
| 885 return false; | |
| 886 } else { | |
| 887 return true; | |
| 888 } | |
| 889 } | |
| 890 | |
| 891 char token[1024]; | |
| 892 int pos = 0; | |
| 893 | |
| 894 bool in_white_space = true; | |
| 895 bool in_comment = false; | |
| 896 bool in_quote = false; | |
| 897 char quote_c = 0; | |
| 898 bool result = true; | |
| 899 | |
| 900 int c = getc(stream); | |
| 6901 | 901 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 902 if (in_white_space) { |
| 903 if (in_comment) { | |
| 904 if (c == '\n') in_comment = false; | |
| 905 } else { | |
| 906 if (c == '#') in_comment = true; | |
| 907 else if (!isspace(c)) { | |
| 908 in_white_space = false; | |
| 909 token[pos++] = c; | |
| 910 } | |
| 911 } | |
| 912 } else { | |
| 913 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 914 // token ends at newline, or at unquoted whitespace | |
| 915 // this allows a way to include spaces in string-valued options | |
| 916 token[pos] = '\0'; | |
| 917 logOption(token); | |
| 918 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 919 build_jvm_flags(token); | |
| 920 pos = 0; | |
| 921 in_white_space = true; | |
| 922 in_quote = false; | |
| 923 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 924 in_quote = true; | |
| 925 quote_c = c; | |
| 926 } else if (in_quote && (c == quote_c)) { | |
| 927 in_quote = false; | |
| 928 } else { | |
| 929 token[pos++] = c; | |
| 930 } | |
| 931 } | |
| 932 c = getc(stream); | |
| 933 } | |
| 934 if (pos > 0) { | |
| 935 token[pos] = '\0'; | |
| 936 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 937 build_jvm_flags(token); | |
| 938 } | |
| 939 fclose(stream); | |
| 940 return result; | |
| 941 } | |
| 942 | |
| 943 //============================================================================================================= | |
| 944 // Parsing of properties (-D) | |
| 945 | |
| 946 const char* Arguments::get_property(const char* key) { | |
| 947 return PropertyList_get_value(system_properties(), key); | |
| 948 } | |
| 949 | |
| 950 bool Arguments::add_property(const char* prop) { | |
| 951 const char* eq = strchr(prop, '='); | |
| 952 char* key; | |
| 953 // ns must be static--its address may be stored in a SystemProperty object. | |
| 954 const static char ns[1] = {0}; | |
| 955 char* value = (char *)ns; | |
| 956 | |
| 957 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 958 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 959 strncpy(key, prop, key_len); |
| 960 key[key_len] = '\0'; | |
| 961 | |
| 962 if (eq != NULL) { | |
| 963 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 964 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 965 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 966 } | |
| 967 | |
| 968 if (strcmp(key, "java.compiler") == 0) { | |
| 969 process_java_compiler_argument(value); | |
| 970 FreeHeap(key); | |
| 971 if (eq != NULL) { | |
| 972 FreeHeap(value); | |
| 973 } | |
| 974 return true; | |
| 691 | 975 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 976 _java_command = value; |
| 977 | |
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978 // Record value in Arguments, but let it get passed to Java. |
| 691 | 979 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 0 | 980 // launcher.pid property is private and is processed |
| 981 // in process_sun_java_launcher_properties(); | |
| 982 // the sun.java.launcher property is passed on to the java application | |
| 983 FreeHeap(key); | |
| 984 if (eq != NULL) { | |
| 985 FreeHeap(value); | |
| 986 } | |
| 987 return true; | |
| 691 | 988 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 989 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 990 // its value without going through the property list or making a Java call. | |
| 991 _java_vendor_url_bug = value; | |
| 691 | 992 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 993 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 994 return true; | |
| 0 | 995 } |
| 996 // Create new property and add at the end of the list | |
| 997 PropertyList_unique_add(&_system_properties, key, value); | |
| 998 return true; | |
| 999 } | |
| 1000 | |
| 1001 //=========================================================================================================== | |
| 1002 // Setting int/mixed/comp mode flags | |
| 1003 | |
| 1004 void Arguments::set_mode_flags(Mode mode) { | |
| 1005 // Set up default values for all flags. | |
| 1006 // If you add a flag to any of the branches below, | |
| 1007 // add a default value for it here. | |
| 1008 set_java_compiler(false); | |
| 1009 _mode = mode; | |
| 1010 | |
| 1011 // Ensure Agent_OnLoad has the correct initial values. | |
| 1012 // This may not be the final mode; mode may change later in onload phase. | |
| 1013 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1014 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1015 |
| 1016 UseInterpreter = true; | |
| 1017 UseCompiler = true; | |
| 1018 UseLoopCounter = true; | |
| 1019 | |
|
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1020 #ifndef ZERO |
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1021 // Turn these off for mixed and comp. Leave them on for Zero. |
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1022 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
|
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1023 UseFastAccessorMethods = (mode == _int); |
|
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1024 } |
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1025 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
|
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1026 UseFastEmptyMethods = (mode == _int); |
|
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1027 } |
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1028 #endif |
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1029 |
| 0 | 1030 // Default values may be platform/compiler dependent - |
| 1031 // use the saved values | |
| 1032 ClipInlining = Arguments::_ClipInlining; | |
| 1033 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1034 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1035 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1036 | |
| 1037 // Change from defaults based on mode | |
| 1038 switch (mode) { | |
| 1039 default: | |
| 1040 ShouldNotReachHere(); | |
| 1041 break; | |
| 1042 case _int: | |
| 1043 UseCompiler = false; | |
| 1044 UseLoopCounter = false; | |
| 1045 AlwaysCompileLoopMethods = false; | |
| 1046 UseOnStackReplacement = false; | |
| 1047 break; | |
| 1048 case _mixed: | |
| 1049 // same as default | |
| 1050 break; | |
| 1051 case _comp: | |
| 1052 UseInterpreter = false; | |
| 1053 BackgroundCompilation = false; | |
| 1054 ClipInlining = false; | |
|
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1055 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
|
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1056 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
|
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1057 // compile a level 4 (C2) and then continue executing it. |
|
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1058 if (TieredCompilation) { |
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1059 Tier3InvokeNotifyFreqLog = 0; |
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1060 Tier4InvocationThreshold = 0; |
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1061 } |
| 0 | 1062 break; |
| 1063 } | |
| 1064 } | |
| 1065 | |
| 1066 // Conflict: required to use shared spaces (-Xshare:on), but | |
| 1067 // incompatible command line options were chosen. | |
| 1068 | |
| 1069 static void no_shared_spaces() { | |
| 1070 if (RequireSharedSpaces) { | |
| 1071 jio_fprintf(defaultStream::error_stream(), | |
| 1072 "Class data sharing is inconsistent with other specified options.\n"); | |
| 1073 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
| 1074 } else { | |
| 1075 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1076 } | |
| 1077 } | |
| 1078 | |
| 1783 | 1079 void Arguments::set_tiered_flags() { |
|
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1080 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1081 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
|
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1082 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1083 } |
| 1084 if (CompilationPolicyChoice < 2) { | |
| 1085 vm_exit_during_initialization( | |
| 1086 "Incompatible compilation policy selected", NULL); | |
| 1087 } | |
|
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1088 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1089 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
|
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1090 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
| 1783 | 1091 } |
| 1092 } | |
| 1093 | |
|
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1094 #if INCLUDE_ALL_GCS |
| 4838 | 1095 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1096 if (UseAdaptiveSizePolicy) { | |
| 1097 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1098 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1099 collector_name); | |
| 1100 } | |
| 1101 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1102 } | |
| 1103 } | |
| 1104 | |
| 0 | 1105 void Arguments::set_parnew_gc_flags() { |
| 1064 | 1106 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
|
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1107 "control point invariant"); |
|
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1108 assert(UseParNewGC, "Error"); |
| 0 | 1109 |
| 4838 | 1110 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1111 disable_adaptive_size_policy("UseParNewGC"); | |
|
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1112 |
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1113 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1114 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1115 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1116 } else if (ParallelGCThreads == 0) { |
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1117 jio_fprintf(defaultStream::error_stream(), |
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1118 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1119 vm_exit(1); |
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1120 } |
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1121 |
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1122 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1123 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1124 // we set them to 1024 and 1024. |
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1125 // See CR 6362902. |
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1126 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1127 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
| 0 | 1128 } |
|
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1129 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1130 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1131 } |
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1132 |
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1133 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1134 // See CR 6362902. |
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1135 if (AlwaysTenure) { |
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1136 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1137 } |
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1138 // When using compressed oops, we use local overflow stacks, |
|
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1139 // rather than using a global overflow list chained through |
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1140 // the klass word of the object's pre-image. |
|
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1141 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1142 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1143 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
| 0 | 1144 } |
|
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1145 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
| 0 | 1146 } |
|
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1147 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
| 0 | 1148 } |
| 1149 | |
| 1150 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1151 // sparc/solaris for certain applications, but would gain from | |
| 1152 // further optimization and tuning efforts, and would almost | |
| 1153 // certainly gain from analysis of platform and environment. | |
| 1154 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1155 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1156 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
|
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1157 |
| 0 | 1158 // If we are using CMS, we prefer to UseParNewGC, |
| 1159 // unless explicitly forbidden. | |
|
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1160 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1161 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1162 } |
| 1163 | |
|
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1164 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1165 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1166 |
| 1167 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1168 // as needed. | |
|
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1169 if (UseParNewGC) { |
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1170 set_parnew_gc_flags(); |
| 0 | 1171 } |
| 1172 | |
|
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1173 size_t max_heap = align_size_down(MaxHeapSize, |
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1174 CardTableRS::ct_max_alignment_constraint()); |
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1175 |
| 0 | 1176 // Now make adjustments for CMS |
|
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1177 intx tenuring_default = (intx)6; |
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1178 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1179 |
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1180 // Preferred young gen size for "short" pauses: |
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1181 // upper bound depends on # of threads and NewRatio. |
| 0 | 1182 const uintx parallel_gc_threads = |
| 1183 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1184 const size_t preferred_max_new_size_unaligned = | |
|
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1185 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1186 size_t preferred_max_new_size = |
| 0 | 1187 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1188 | |
| 1189 // Unless explicitly requested otherwise, size young gen | |
|
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1190 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1191 |
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1192 // If either MaxNewSize or NewRatio is set on the command line, |
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1193 // assume the user is trying to set the size of the young gen. |
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1194 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1195 |
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1196 // Set MaxNewSize to our calculated preferred_max_new_size unless |
|
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1197 // NewSize was set on the command line and it is larger than |
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1198 // preferred_max_new_size. |
| 0 | 1199 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1200 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1201 } else { |
|
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1202 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1203 } |
| 1064 | 1204 if (PrintGCDetails && Verbose) { |
|
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1205 // Too early to use gclog_or_tty |
|
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1206 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1207 } |
|
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1208 |
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1209 // Code along this path potentially sets NewSize and OldSize |
| 1064 | 1210 if (PrintGCDetails && Verbose) { |
|
13
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1211 // Too early to use gclog_or_tty |
|
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1212 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
|
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1213 " initial_heap_size: " SIZE_FORMAT |
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|
1214 " max_heap: " SIZE_FORMAT, |
| 1064 | 1215 min_heap_size(), InitialHeapSize, max_heap); |
|
13
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1216 } |
|
2368
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|
1217 size_t min_new = preferred_max_new_size; |
|
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1218 if (FLAG_IS_CMDLINE(NewSize)) { |
|
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1219 min_new = NewSize; |
|
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|
1220 } |
|
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1221 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1222 // Unless explicitly requested otherwise, make young gen |
| 1223 // at least min_new, and at most preferred_max_new_size. | |
| 1224 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
13
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1225 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
|
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1226 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1227 if (PrintGCDetails && Verbose) { |
|
13
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1228 // Too early to use gclog_or_tty |
|
2368
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1229 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
13
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1230 } |
| 0 | 1231 } |
| 1232 // Unless explicitly requested otherwise, size old gen | |
|
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1233 // so it's NewRatio x of NewSize. |
| 0 | 1234 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1235 if (max_heap > NewSize) { | |
|
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1236 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1237 if (PrintGCDetails && Verbose) { |
|
13
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1238 // Too early to use gclog_or_tty |
|
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1239 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1240 } |
| 0 | 1241 } |
| 1242 } | |
| 1243 } | |
| 1244 } | |
| 1245 // Unless explicitly requested otherwise, definitely | |
| 1246 // promote all objects surviving "tenuring_default" scavenges. | |
| 1247 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1248 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1249 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1250 } |
| 1251 // If we decided above (or user explicitly requested) | |
| 1252 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1253 // prefer minuscule survivor spaces so as not to waste | |
| 1254 // space for (non-existent) survivors | |
| 1255 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
| 8035 | 1256 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
| 0 | 1257 } |
| 1258 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1259 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1260 // This is done in order to make ParNew+CMS configuration to work | |
| 1261 // with YoungPLABSize and OldPLABSize options. | |
| 1262 // See CR 6362902. | |
| 1263 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1264 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
13
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1265 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
|
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1266 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
|
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1267 // the value (either from the command line or ergonomics) of |
|
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1268 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
|
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|
1269 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
1145
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|
1270 } else { |
| 0 | 1271 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1272 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1273 // we'll let it to take precedence. | |
| 1274 jio_fprintf(defaultStream::error_stream(), | |
|
886
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1275 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
|
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1276 " options are specified for the CMS collector." |
|
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1277 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1278 } |
| 1279 } | |
|
1145
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1280 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
|
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1281 // OldPLAB sizing manually turned off: Use a larger default setting, |
|
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1282 // unless it was manually specified. This is because a too-low value |
|
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|
1283 // will slow down scavenges. |
|
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|
1284 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
|
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|
1285 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
|
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|
1286 } |
|
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|
1287 } |
|
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|
1288 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
|
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|
1289 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
|
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1290 // If either of the static initialization defaults have changed, note this |
|
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|
1291 // modification. |
|
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|
1292 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
|
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|
1293 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
|
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|
1294 } |
| 1284 | 1295 if (PrintGCDetails && Verbose) { |
| 1296 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
| 1297 MarkStackSize / K, MarkStackSizeMax / K); | |
| 1298 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
| 1299 } | |
| 0 | 1300 } |
|
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1301 #endif // INCLUDE_ALL_GCS |
| 0 | 1302 |
|
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|
1303 void set_object_alignment() { |
|
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1304 // Object alignment. |
|
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1305 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
|
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|
1306 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
|
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|
1307 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
|
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|
1308 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
|
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|
1309 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
|
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1310 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
|
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1311 |
|
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1312 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
|
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1313 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
|
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1314 |
|
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1315 // Oop encoding heap max |
|
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1316 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
|
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1317 |
|
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1318 #if INCLUDE_ALL_GCS |
|
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1319 // Set CMS global values |
|
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1320 CompactibleFreeListSpace::set_cms_values(); |
|
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1321 #endif // INCLUDE_ALL_GCS |
|
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1322 } |
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1323 |
|
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1324 bool verify_object_alignment() { |
|
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1325 // Object alignment. |
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1326 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
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1327 jio_fprintf(defaultStream::error_stream(), |
|
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1328 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
|
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1329 (int)ObjectAlignmentInBytes); |
|
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1330 return false; |
|
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1331 } |
|
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1332 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
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1333 jio_fprintf(defaultStream::error_stream(), |
|
1829
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1334 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
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1335 (int)ObjectAlignmentInBytes, BytesPerLong); |
|
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1336 return false; |
|
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1337 } |
|
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1338 // It does not make sense to have big object alignment |
|
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1339 // since a space lost due to alignment will be greater |
|
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1340 // then a saved space from compressed oops. |
|
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1341 if ((int)ObjectAlignmentInBytes > 256) { |
|
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1342 jio_fprintf(defaultStream::error_stream(), |
|
7461
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1343 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
|
1829
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1344 (int)ObjectAlignmentInBytes); |
|
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1345 return false; |
|
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1346 } |
|
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1347 // In case page size is very small. |
|
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1348 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
|
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1349 jio_fprintf(defaultStream::error_stream(), |
|
7461
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1350 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
|
1829
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|
1351 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
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1352 return false; |
|
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1353 } |
|
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1354 return true; |
|
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1355 } |
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1356 |
|
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1357 inline uintx max_heap_for_compressed_oops() { |
| 1963 | 1358 // Avoid sign flip. |
|
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1359 if (OopEncodingHeapMax < ClassMetaspaceSize + os::vm_page_size()) { |
| 1963 | 1360 return 0; |
| 1361 } | |
|
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1362 LP64_ONLY(return OopEncodingHeapMax - ClassMetaspaceSize - os::vm_page_size()); |
| 1064 | 1363 NOT_LP64(ShouldNotReachHere(); return 0); |
|
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1364 } |
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1365 |
| 0 | 1366 bool Arguments::should_auto_select_low_pause_collector() { |
| 1367 if (UseAutoGCSelectPolicy && | |
| 1368 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1369 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1370 if (PrintGCDetails) { | |
| 1371 // Cannot use gclog_or_tty yet. | |
| 1372 tty->print_cr("Automatic selection of the low pause collector" | |
| 1373 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
| 1374 } | |
| 1375 return true; | |
| 1376 } | |
| 1377 return false; | |
| 1378 } | |
| 1379 | |
|
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1380 void Arguments::set_use_compressed_oops() { |
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1381 #ifndef ZERO |
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1382 #ifdef _LP64 |
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1383 // MaxHeapSize is not set up properly at this point, but |
|
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1384 // the only value that can override MaxHeapSize if we are |
|
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1385 // to use UseCompressedOops is InitialHeapSize. |
|
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1386 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
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1387 |
|
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1388 if (max_heap_size <= max_heap_for_compressed_oops()) { |
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1389 #if !defined(COMPILER1) || defined(TIERED) |
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1390 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
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1391 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
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1392 } |
|
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1393 #endif |
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1394 #ifdef _WIN64 |
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1395 if (UseLargePages && UseCompressedOops) { |
|
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1396 // Cannot allocate guard pages for implicit checks in indexed addressing |
|
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1397 // mode, when large pages are specified on windows. |
|
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1398 // This flag could be switched ON if narrow oop base address is set to 0, |
|
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1399 // see code in Universe::initialize_heap(). |
|
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1400 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
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1401 } |
|
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1402 #endif // _WIN64 |
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1403 } else { |
|
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1404 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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1405 warning("Max heap size too large for Compressed Oops"); |
|
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1406 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
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1407 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
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1408 } |
|
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1409 } |
|
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1410 #endif // _LP64 |
|
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1411 #endif // ZERO |
|
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1412 } |
|
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1413 |
| 0 | 1414 void Arguments::set_ergonomics_flags() { |
| 1415 | |
| 4946 | 1416 if (os::is_server_class_machine()) { |
| 0 | 1417 // If no other collector is requested explicitly, |
| 1418 // let the VM select the collector based on | |
| 1419 // machine class and automatic selection policy. | |
| 1420 if (!UseSerialGC && | |
| 1421 !UseConcMarkSweepGC && | |
|
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1422 !UseG1GC && |
| 0 | 1423 !UseParNewGC && |
| 1424 FLAG_IS_DEFAULT(UseParallelGC)) { | |
| 1425 if (should_auto_select_low_pause_collector()) { | |
| 1426 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
| 1427 } else { | |
| 1428 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
| 1429 } | |
|
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1430 } |
|
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1431 // Shared spaces work fine with other GCs but causes bytecode rewriting |
|
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1432 // to be disabled, which hurts interpreter performance and decreases |
|
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1433 // server performance. On server class machines, keep the default |
|
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1434 // off unless it is asked for. Future work: either add bytecode rewriting |
|
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1435 // at link time, or rewrite bytecodes in non-shared methods. |
|
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1436 if (!DumpSharedSpaces && !RequireSharedSpaces) { |
| 0 | 1437 no_shared_spaces(); |
| 1438 } | |
| 1439 } | |
|
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1440 |
| 1010 | 1441 #ifndef ZERO |
|
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1442 #ifdef _LP64 |
|
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1443 set_use_compressed_oops(); |
|
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1444 // UseCompressedOops must be on for UseCompressedKlassPointers to be on. |
|
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1445 if (!UseCompressedOops) { |
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1446 if (UseCompressedKlassPointers) { |
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1447 warning("UseCompressedKlassPointers requires UseCompressedOops"); |
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1448 } |
|
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1449 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
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1450 } else { |
|
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1451 // Turn on UseCompressedKlassPointers too |
|
6848
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1452 if (FLAG_IS_DEFAULT(UseCompressedKlassPointers)) { |
|
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|
1453 FLAG_SET_ERGO(bool, UseCompressedKlassPointers, true); |
|
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1454 } |
|
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1455 // Set the ClassMetaspaceSize to something that will not need to be |
|
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1456 // expanded, since it cannot be expanded. |
|
7982
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|
1457 if (UseCompressedKlassPointers) { |
|
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|
1458 if (ClassMetaspaceSize > KlassEncodingMetaspaceMax) { |
|
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|
1459 warning("Class metaspace size is too large for UseCompressedKlassPointers"); |
|
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|
1460 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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|
1461 } else if (FLAG_IS_DEFAULT(ClassMetaspaceSize)) { |
|
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|
1462 // 100,000 classes seems like a good size, so 100M assumes around 1K |
|
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|
1463 // per klass. The vtable and oopMap is embedded so we don't have a fixed |
|
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|
1464 // size per klass. Eventually, this will be parameterized because it |
|
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|
1465 // would also be useful to determine the optimal size of the |
|
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|
1466 // systemDictionary. |
|
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|
1467 FLAG_SET_ERGO(uintx, ClassMetaspaceSize, 100*M); |
|
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1468 } |
|
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1469 } |
|
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1470 } |
|
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1471 // Also checks that certain machines are slower with compressed oops |
|
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1472 // in vm_version initialization code. |
|
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1473 #endif // _LP64 |
| 1010 | 1474 #endif // !ZERO |
| 0 | 1475 } |
| 1476 | |
| 1477 void Arguments::set_parallel_gc_flags() { | |
|
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|
1478 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1479 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1480 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1481 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1482 } |
| 4879 | 1483 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1484 |
| 1485 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1486 // of the physical memory, up to a maximum of 1GB. | |
|
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|
1487 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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|
1488 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1489 if (ParallelGCThreads == 0) { |
|
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|
1490 jio_fprintf(defaultStream::error_stream(), |
|
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|
1491 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
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|
1492 vm_exit(1); |
|
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|
1493 } |
|
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|
1494 |
|
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|
1495 |
|
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|
1496 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
|
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|
1497 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
|
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|
1498 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
|
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|
1499 // See CR 6362902 for details. |
|
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|
1500 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
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|
1501 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
|
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|
1502 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
| 0 | 1503 } |
|
7471
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|
1504 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
|
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1505 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
|
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1506 } |
|
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1507 } |
|
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|
1508 |
|
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|
1509 if (UseParallelOldGC) { |
|
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|
1510 // Par compact uses lower default values since they are treated as |
|
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|
1511 // minimums. These are different defaults because of the different |
|
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|
1512 // interpretation and are not ergonomically set. |
|
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|
1513 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
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|
1514 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1515 } |
| 1516 } | |
| 1517 } | |
| 1518 | |
|
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1519 void Arguments::set_g1_gc_flags() { |
|
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1520 assert(UseG1GC, "Error"); |
|
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|
1521 #ifdef COMPILER1 |
|
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1522 FastTLABRefill = false; |
|
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1523 #endif |
|
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1524 FLAG_SET_DEFAULT(ParallelGCThreads, |
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1525 Abstract_VM_Version::parallel_worker_threads()); |
|
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1526 if (ParallelGCThreads == 0) { |
|
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|
1527 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1528 Abstract_VM_Version::parallel_worker_threads()); |
|
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1529 } |
| 751 | 1530 |
|
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|
1531 // MarkStackSize will be set (if it hasn't been set by the user) |
|
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1532 // when concurrent marking is initialized. |
|
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|
1533 // Its value will be based upon the number of parallel marking threads. |
|
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|
1534 // But we do set the maximum mark stack size here. |
|
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|
1535 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
|
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|
1536 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
| 1284 | 1537 } |
| 1356 | 1538 |
| 1539 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1540 // In G1, we want the default GC overhead goal to be higher than | |
| 1541 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1542 // be expanded more aggressively than we would like it to. In | |
| 1543 // fact, even 10% seems to not be high enough in some cases | |
| 1544 // (especially small GC stress tests that the main thing they do | |
| 1545 // is allocation). We might consider increase it further. | |
| 1546 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1547 } | |
|
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|
1548 |
|
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|
1549 if (PrintGCDetails && Verbose) { |
|
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1550 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
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|
1551 MarkStackSize / K, MarkStackSizeMax / K); |
|
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|
1552 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
|
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|
1553 } |
|
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1554 } |
|
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1555 |
|
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1556 julong Arguments::limit_by_allocatable_memory(julong limit) { |
|
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1557 julong max_allocatable; |
|
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1558 julong result = limit; |
|
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|
1559 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
|
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|
1560 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
|
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|
1561 } |
|
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|
1562 return result; |
|
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|
1563 } |
|
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|
1564 |
| 1064 | 1565 void Arguments::set_heap_size() { |
| 1566 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1567 // Deprecated flag | |
| 1568 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1569 } | |
| 1570 | |
| 1571 const julong phys_mem = | |
| 1572 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1573 : (julong)MaxRAM; | |
| 1574 | |
| 1575 // If the maximum heap size has not been set with -Xmx, | |
| 1576 // then set it as fraction of the size of physical memory, | |
| 1577 // respecting the maximum and minimum sizes of the heap. | |
|
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|
1578 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1579 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1580 | |
| 1581 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1582 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1583 reasonable_max = phys_mem / MinRAMFraction; | |
| 1584 } else { | |
| 1585 // Not-small physical memory, so require a heap at least | |
| 1586 // as large as MaxHeapSize | |
| 1587 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1588 } | |
| 1589 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1590 // Limit the heap size to ErgoHeapSizeLimit | |
| 1591 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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|
1592 } |
| 1064 | 1593 if (UseCompressedOops) { |
| 1594 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1595 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1596 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1597 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1598 // but it should be not less than default MaxHeapSize. | |
| 1599 max_coop_heap -= HeapBaseMinAddress; | |
| 1600 } | |
| 1601 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1602 } |
|
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|
1603 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
| 1064 | 1604 |
| 1605 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1606 // An initial heap size was specified on the command line, | |
| 1607 // so be sure that the maximum size is consistent. Done | |
|
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|
1608 // after call to limit_by_allocatable_memory because that |
| 1064 | 1609 // method might reduce the allocation size. |
| 1610 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1611 } | |
| 1612 | |
|
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1613 if (PrintGCDetails && Verbose) { |
|
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|
1614 // Cannot use gclog_or_tty yet. |
| 1064 | 1615 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
|
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|
1616 } |
| 1064 | 1617 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1618 } | |
| 1619 | |
|
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|
1620 // If the minimum or initial heap_size have not been set or requested to be set |
|
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|
1621 // ergonomically, set them accordingly. |
|
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|
1622 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
|
1074
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|
1623 julong reasonable_minimum = (julong)(OldSize + NewSize); |
|
84cb6f20afb3
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|
1624 |
|
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|
1625 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
|
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|
1626 |
|
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|
1627 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
|
1074
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|
1628 |
|
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|
1629 if (InitialHeapSize == 0) { |
|
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|
1630 julong reasonable_initial = phys_mem / InitialRAMFraction; |
|
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|
1631 |
|
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|
1632 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
|
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|
1633 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
|
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|
1634 |
|
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|
1635 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
|
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|
1636 |
|
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|
1637 if (PrintGCDetails && Verbose) { |
|
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|
1638 // Cannot use gclog_or_tty yet. |
|
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|
1639 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
|
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|
1640 } |
|
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|
1641 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
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|
1642 } |
|
10241
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|
1643 // If the minimum heap size has not been set (via -Xms), |
|
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|
1644 // synchronize with InitialHeapSize to avoid errors with the default value. |
|
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|
1645 if (min_heap_size() == 0) { |
|
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|
1646 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
|
d17700c82d7d
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|
1647 if (PrintGCDetails && Verbose) { |
|
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|
1648 // Cannot use gclog_or_tty yet. |
|
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|
1649 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
|
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|
1650 } |
|
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|
1651 } |
|
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|
1652 } |
|
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|
1653 } |
|
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|
1654 |
| 0 | 1655 // This must be called after ergonomics because we want bytecode rewriting |
| 1656 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1657 void Arguments::set_bytecode_flags() { | |
| 1658 // Better not attempt to store into a read-only space. | |
| 1659 if (UseSharedSpaces) { | |
| 1660 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1661 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1662 } | |
| 1663 | |
| 1664 if (!RewriteBytecodes) { | |
| 1665 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1666 } | |
| 1667 } | |
| 1668 | |
| 1669 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1670 void Arguments::set_aggressive_opts_flags() { | |
|
17
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|
1671 #ifdef COMPILER2 |
|
ff5961f4c095
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|
1672 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
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diff
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|
1673 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
ff5961f4c095
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0
diff
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|
1674 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
ff5961f4c095
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0
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|
1675 } |
|
ff5961f4c095
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|
1676 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
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0
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|
1677 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
ff5961f4c095
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0
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|
1678 } |
|
ff5961f4c095
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0
diff
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|
1679 |
|
ff5961f4c095
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parents:
0
diff
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|
1680 // Feed the cache size setting into the JDK |
|
ff5961f4c095
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never
parents:
0
diff
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|
1681 char buffer[1024]; |
|
513
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6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
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diff
changeset
|
1682 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
|
1683 add_property(buffer); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1684 } |
|
416
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1685 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1686 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1687 } |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1688 #endif |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1689 |
| 0 | 1690 if (AggressiveOpts) { |
| 61 | 1691 // Sample flag setting code |
| 1692 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1693 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1694 // } | |
| 0 | 1695 } |
| 1696 } | |
| 1697 | |
| 1698 //=========================================================================================================== | |
| 1699 // Parsing of java.compiler property | |
| 1700 | |
| 1701 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1702 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1703 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1704 // is also specified. | |
| 1705 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1706 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1707 } | |
| 1708 } | |
| 1709 | |
| 1710 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1711 _sun_java_launcher = strdup(launcher); | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1712 if (strcmp("gamma", _sun_java_launcher) == 0) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1713 _created_by_gamma_launcher = true; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1714 } |
| 0 | 1715 } |
| 1716 | |
| 1717 bool Arguments::created_by_java_launcher() { | |
| 1718 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1719 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1720 } | |
| 1721 | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1722 bool Arguments::created_by_gamma_launcher() { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1723 return _created_by_gamma_launcher; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1724 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1725 |
| 0 | 1726 //=========================================================================================================== |
| 1727 // Parsing of main arguments | |
| 1728 | |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1729 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
|
1730 uintx max, const char* name) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1731 // 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
|
1732 // false, otherwise. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1733 if (val >= min && val <= max) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1734 return true; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1735 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1736 jio_fprintf(defaultStream::error_stream(), |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1737 "%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
|
1738 " and " UINTX_FORMAT "\n", |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1739 name, val, min, max); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1740 return false; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1741 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1742 |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1743 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
|
1744 // 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
|
1745 // false, otherwise. |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1746 if (val >= min ) { |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1747 return true; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1748 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1749 jio_fprintf(defaultStream::error_stream(), |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1750 "%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
|
1751 name, val, min); |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1752 return false; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1753 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1754 |
| 0 | 1755 bool Arguments::verify_percentage(uintx value, const char* name) { |
| 1756 if (value <= 100) { | |
| 1757 return true; | |
| 1758 } | |
| 1759 jio_fprintf(defaultStream::error_stream(), | |
| 1760 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1761 name, value); | |
| 1762 return false; | |
| 1763 } | |
| 1764 | |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1765 #if !INCLUDE_ALL_GCS |
|
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1766 #ifdef ASSERT |
| 0 | 1767 static bool verify_serial_gc_flags() { |
| 1768 return (UseSerialGC && | |
|
945
68ef3fdcdb76
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
932
diff
changeset
|
1769 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1770 UseParallelGC || UseParallelOldGC)); |
| 0 | 1771 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1772 #endif // ASSERT |
|
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1773 #endif // INCLUDE_ALL_GCS |
| 0 | 1774 |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1775 // check if do gclog rotation |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1776 // +UseGCLogFileRotation is a must, |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1777 // 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
|
1778 // 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
|
1779 void check_gclog_consistency() { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1780 if (UseGCLogFileRotation) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1781 if ((Arguments::gc_log_filename() == NULL) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1782 (NumberOfGCLogFiles == 0) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1783 (GCLogFileSize == 0)) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1784 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
|
1785 "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
|
1786 "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
|
1787 "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
|
1788 UseGCLogFileRotation = false; |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1789 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1790 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1791 |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1792 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1793 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
|
1794 jio_fprintf(defaultStream::output_stream(), |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1795 "GCLogFileSize changed to minimum 8K\n"); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1796 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1797 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1798 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1799 // Check consistency of GC selection |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1800 bool Arguments::check_gc_consistency() { |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1801 check_gclog_consistency(); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1802 bool status = true; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1803 // 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
|
1804 // 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
|
1805 // 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
|
1806 // 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
|
1807 // 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
|
1808 // 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
|
1809 // select conflicting combinations. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1810 uint i = 0; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1811 if (UseSerialGC) i++; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1812 if (UseConcMarkSweepGC || UseParNewGC) i++; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1813 if (UseParallelGC || UseParallelOldGC) i++; |
|
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
1814 if (UseG1GC) i++; |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1815 if (i > 1) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1816 jio_fprintf(defaultStream::error_stream(), |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1817 "Conflicting collector combinations in option list; " |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1818 "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
|
1819 "allowed\n"); |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1820 status = false; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1821 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1822 |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1823 return status; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1824 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1825 |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
1826 void Arguments::check_deprecated_gcs() { |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
1827 if (UseConcMarkSweepGC && !UseParNewGC) { |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
1828 warning("Using the DefNew young collector with the CMS collector is deprecated " |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
1829 "and will likely be removed in a future release"); |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
1830 } |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
1831 |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
1832 if (UseParNewGC && !UseConcMarkSweepGC) { |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
1833 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
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1834 // set up UseSerialGC properly, so that can't be used in the check here. |
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1835 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
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1836 "and will likely be removed in a future release"); |
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1837 } |
| 7453 | 1838 |
| 1839 if (CMSIncrementalMode) { | |
| 1840 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
| 1841 } | |
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1842 } |
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1843 |
| 8734 | 1844 void Arguments::check_deprecated_gc_flags() { |
| 1845 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
| 1846 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
| 1847 "and will likely be removed in future release"); | |
| 1848 } | |
| 1849 } | |
| 1850 | |
|
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1851 // Check stack pages settings |
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1852 bool Arguments::check_stack_pages() |
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1853 { |
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1854 bool status = true; |
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1855 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
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1856 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
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1857 // greater stack shadow pages can't generate instruction to bang stack |
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1858 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
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1859 return status; |
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1860 } |
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1861 |
| 0 | 1862 // Check the consistency of vm_init_args |
| 1863 bool Arguments::check_vm_args_consistency() { | |
| 1864 // Method for adding checks for flag consistency. | |
| 1865 // The intent is to warn the user of all possible conflicts, | |
| 1866 // before returning an error. | |
| 1867 // Note: Needs platform-dependent factoring. | |
| 1868 bool status = true; | |
| 1869 | |
| 1870 #if ( (defined(COMPILER2) && defined(SPARC))) | |
| 1871 // NOTE: The call to VM_Version_init depends on the fact that VM_Version_init | |
| 1872 // on sparc doesn't require generation of a stub as is the case on, e.g., | |
| 1873 // x86. Normally, VM_Version_init must be called from init_globals in | |
| 1874 // init.cpp, which is called by the initial java thread *after* arguments | |
| 1875 // have been parsed. VM_Version_init gets called twice on sparc. | |
| 1876 extern void VM_Version_init(); | |
| 1877 VM_Version_init(); | |
| 1878 if (!VM_Version::has_v9()) { | |
| 1879 jio_fprintf(defaultStream::error_stream(), | |
| 1880 "V8 Machine detected, Server requires V9\n"); | |
| 1881 status = false; | |
| 1882 } | |
| 1883 #endif /* COMPILER2 && SPARC */ | |
| 1884 | |
| 1885 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 1886 // builds so the cost of stack banging can be measured. | |
| 1887 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 1888 if (!UseBoundThreads && !UseStackBanging) { | |
| 1889 jio_fprintf(defaultStream::error_stream(), | |
| 1890 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 1891 | |
| 1892 status = false; | |
| 1893 } | |
| 1894 #endif | |
| 1895 | |
| 1896 if (TLABRefillWasteFraction == 0) { | |
| 1897 jio_fprintf(defaultStream::error_stream(), | |
| 1898 "TLABRefillWasteFraction should be a denominator, " | |
| 1899 "not " SIZE_FORMAT "\n", | |
| 1900 TLABRefillWasteFraction); | |
| 1901 status = false; | |
| 1902 } | |
| 1903 | |
|
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1904 status = status && verify_percentage(AdaptiveSizePolicyWeight, |
| 0 | 1905 "AdaptiveSizePolicyWeight"); |
|
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1906 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
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1907 status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
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1908 status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); |
| 0 | 1909 |
|
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1910 // Divide by bucket size to prevent a large size from causing rollover when |
|
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1911 // calculating amount of memory needed to be allocated for the String table. |
|
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1912 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
|
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1913 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
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1914 |
| 0 | 1915 if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
| 1916 jio_fprintf(defaultStream::error_stream(), | |
| 1917 "MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " | |
| 1918 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", | |
| 1919 MinHeapFreeRatio, MaxHeapFreeRatio); | |
| 1920 status = false; | |
| 1921 } | |
| 1922 // Keeping the heap 100% free is hard ;-) so limit it to 99%. | |
| 1923 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); | |
| 1924 | |
|
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1925 // Min/MaxMetaspaceFreeRatio |
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1926 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
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1927 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
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1928 |
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1929 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
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1930 jio_fprintf(defaultStream::error_stream(), |
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1931 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
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1932 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
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1933 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
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1934 MinMetaspaceFreeRatio, |
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1935 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
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1936 MaxMetaspaceFreeRatio); |
|
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1937 status = false; |
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1938 } |
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1939 |
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1940 // Trying to keep 100% free is not practical |
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1941 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
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1942 |
| 0 | 1943 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
| 1944 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 1945 } | |
| 1946 | |
|
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1947 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
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1948 // Settings to encourage splitting. |
|
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1949 if (!FLAG_IS_CMDLINE(NewRatio)) { |
| 8035 | 1950 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
|
483
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1951 } |
|
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1952 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
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1953 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
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1954 } |
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1955 } |
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1956 |
|
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1957 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
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1958 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 1959 if (GCTimeLimit == 100) { |
| 1960 // Turn off gc-overhead-limit-exceeded checks | |
| 1961 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 1962 } | |
| 1963 | |
|
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1964 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
| 0 | 1965 |
|
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1966 status = status && check_gc_consistency(); |
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1967 status = status && check_stack_pages(); |
| 0 | 1968 |
| 1969 if (_has_alloc_profile) { | |
| 1970 if (UseParallelGC || UseParallelOldGC) { | |
| 1971 jio_fprintf(defaultStream::error_stream(), | |
| 1972 "error: invalid argument combination.\n" | |
| 1973 "Allocation profiling (-Xaprof) cannot be used together with " | |
| 1974 "Parallel GC (-XX:+UseParallelGC or -XX:+UseParallelOldGC).\n"); | |
| 1975 status = false; | |
| 1976 } | |
| 1977 if (UseConcMarkSweepGC) { | |
| 1978 jio_fprintf(defaultStream::error_stream(), | |
| 1979 "error: invalid argument combination.\n" | |
| 1980 "Allocation profiling (-Xaprof) cannot be used together with " | |
| 1981 "the CMS collector (-XX:+UseConcMarkSweepGC).\n"); | |
| 1982 status = false; | |
| 1983 } | |
| 1984 } | |
| 1985 | |
| 1986 if (CMSIncrementalMode) { | |
| 1987 if (!UseConcMarkSweepGC) { | |
| 1988 jio_fprintf(defaultStream::error_stream(), | |
| 1989 "error: invalid argument combination.\n" | |
| 1990 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 1991 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 1992 status = false; | |
| 1993 } else { | |
|
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1994 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 1995 "CMSIncrementalDutyCycle"); |
|
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1996 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 1997 "CMSIncrementalDutyCycleMin"); |
|
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1998 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 1999 "CMSIncrementalSafetyFactor"); |
|
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2000 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 2001 "CMSIncrementalOffset"); |
|
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2002 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 2003 "CMSExpAvgFactor"); |
| 2004 // If it was not set on the command line, set | |
| 2005 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 2006 if (CMSInitiatingOccupancyFraction < 0) { | |
| 2007 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 2008 } | |
| 2009 } | |
| 2010 } | |
| 2011 | |
| 2012 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 2013 // insists that we hold the requisite locks so that the iteration is | |
| 2014 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 2015 // yet have a good way of acquiring and releasing these locks, | |
| 2016 // which are not visible at the CollectedHeap level. We want to | |
| 2017 // be able to acquire these locks and then do the iteration rather | |
| 2018 // than just disable the lock verification. This will be fixed under | |
| 2019 // bug 4788986. | |
| 2020 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
|
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2021 if (VerifyDuringStartup) { |
| 0 | 2022 warning("Heap verification at start-up disabled " |
| 2023 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
|
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2024 VerifyDuringStartup = false; // Disable verification at start-up |
| 0 | 2025 } |
|
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2026 |
| 0 | 2027 if (VerifyBeforeExit) { |
| 2028 warning("Heap verification at shutdown disabled " | |
| 2029 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 2030 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 2031 } | |
| 2032 } | |
| 2033 | |
| 2034 // Note: only executed in non-PRODUCT mode | |
| 2035 if (!UseAsyncConcMarkSweepGC && | |
| 2036 (ExplicitGCInvokesConcurrent || | |
| 2037 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 2038 jio_fprintf(defaultStream::error_stream(), | |
|
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2039 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 2040 " with -UseAsyncConcMarkSweepGC"); |
| 2041 status = false; | |
| 2042 } | |
| 2043 | |
|
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2044 status = status && verify_min_value(ParGCArrayScanChunk, 1, "ParGCArrayScanChunk"); |
|
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2045 |
|
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2046 #if INCLUDE_ALL_GCS |
|
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2047 if (UseG1GC) { |
|
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2048 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
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2049 "InitiatingHeapOccupancyPercent"); |
|
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2050 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
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2051 "G1RefProcDrainInterval"); |
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2052 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
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2053 "G1ConcMarkStepDurationMillis"); |
|
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2054 status = status && verify_interval(G1ConcRSHotCardLimit, 0, max_jubyte, |
|
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2055 "G1ConcRSHotCardLimit"); |
|
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changeset
|
2056 status = status && verify_interval(G1ConcRSLogCacheSize, 0, 31, |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2057 "G1ConcRSLogCacheSize"); |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2058 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2059 #endif // INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2060 |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2061 status = status && verify_interval(RefDiscoveryPolicy, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2062 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2063 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2064 "RefDiscoveryPolicy"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2065 |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2066 // Limit the lower bound of this flag to 1 as it is used in a division |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2067 // expression. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2068 status = status && verify_interval(TLABWasteTargetPercent, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2069 1, 100, "TLABWasteTargetPercent"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2070 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2071 status = status && verify_object_alignment(); |
|
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2072 |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2073 status = status && verify_min_value(ClassMetaspaceSize, 1*M, |
|
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2074 "ClassMetaspaceSize"); |
|
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2075 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2076 status = status && verify_interval(MarkStackSizeMax, |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2077 1, (max_jint - 1), "MarkStackSizeMax"); |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2078 |
|
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2079 #ifdef SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2080 if (UseConcMarkSweepGC || UseG1GC) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2081 // Issue a stern warning if the user has explicitly set |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2082 // UseMemSetInBOT (it is known to cause issues), but allow |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2083 // use for experimentation and debugging. |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2084 if (VM_Version::is_sun4v() && UseMemSetInBOT) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2085 assert(!FLAG_IS_DEFAULT(UseMemSetInBOT), "Error"); |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2086 warning("Experimental flag -XX:+UseMemSetInBOT is known to cause instability" |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2087 " 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
|
2088 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2089 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2090 #endif // SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2091 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2092 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2093 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2094 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2095 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2096 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
|
2097 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2098 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2099 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2100 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2101 } |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2102 |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2103 // Need to limit the extent of the padding to reasonable size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2104 // 8K is well beyond the reasonable HW cache line size, even with the |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2105 // aggressive prefetching, while still leaving the room for segregating |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2106 // among the distinct pages. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2107 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2108 jio_fprintf(defaultStream::error_stream(), |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2109 "ContendedPaddingWidth=" INTX_FORMAT " must be the between %d and %d\n", |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2110 ContendedPaddingWidth, 0, 8192); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2111 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2112 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2113 |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2114 // Need to enforce the padding not to break the existing field alignments. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2115 // It is sufficient to check against the largest type size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2116 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2117 jio_fprintf(defaultStream::error_stream(), |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2118 "ContendedPaddingWidth=" INTX_FORMAT " must be the multiple of %d\n", |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2119 ContendedPaddingWidth, BytesPerLong); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2120 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2121 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2122 |
| 0 | 2123 return status; |
| 2124 } | |
| 2125 | |
| 2126 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2127 const char* option_type) { | |
| 2128 if (ignore) return false; | |
| 2129 | |
| 2130 const char* spacer = " "; | |
| 2131 if (option_type == NULL) { | |
| 2132 option_type = ++spacer; // Set both to the empty string. | |
| 2133 } | |
| 2134 | |
| 2135 if (os::obsolete_option(option)) { | |
| 2136 jio_fprintf(defaultStream::error_stream(), | |
| 2137 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2138 option->optionString); | |
| 2139 return false; | |
| 2140 } else { | |
| 2141 jio_fprintf(defaultStream::error_stream(), | |
| 2142 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2143 option->optionString); | |
| 2144 return true; | |
| 2145 } | |
| 2146 } | |
| 2147 | |
| 2148 static const char* user_assertion_options[] = { | |
| 2149 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2150 }; | |
| 2151 | |
| 2152 static const char* system_assertion_options[] = { | |
| 2153 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2154 }; | |
| 2155 | |
| 2156 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2157 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2158 // the option must match exactly. | |
| 2159 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2160 bool tail_allowed) { | |
| 2161 for (/* empty */; *names != NULL; ++names) { | |
| 2162 if (match_option(option, *names, tail)) { | |
| 2163 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2164 return true; | |
| 2165 } | |
| 2166 } | |
| 2167 } | |
| 2168 return false; | |
| 2169 } | |
| 2170 | |
| 1284 | 2171 bool Arguments::parse_uintx(const char* value, |
| 2172 uintx* uintx_arg, | |
| 2173 uintx min_size) { | |
| 2174 | |
| 2175 // Check the sign first since atomull() parses only unsigned values. | |
| 2176 bool value_is_positive = !(*value == '-'); | |
| 2177 | |
| 2178 if (value_is_positive) { | |
| 2179 julong n; | |
| 2180 bool good_return = atomull(value, &n); | |
| 2181 if (good_return) { | |
| 2182 bool above_minimum = n >= min_size; | |
| 2183 bool value_is_too_large = n > max_uintx; | |
| 2184 | |
| 2185 if (above_minimum && !value_is_too_large) { | |
| 2186 *uintx_arg = n; | |
| 2187 return true; | |
| 2188 } | |
| 2189 } | |
| 2190 } | |
| 2191 return false; | |
| 2192 } | |
| 2193 | |
| 0 | 2194 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
|
2195 julong* long_arg, |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2196 julong min_size) { |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2197 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2198 return check_memory_size(*long_arg, min_size); |
| 2199 } | |
| 2200 | |
| 2201 // Parse JavaVMInitArgs structure | |
| 2202 | |
| 2203 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2204 // For components of the system classpath. | |
| 2205 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2206 bool scp_assembly_required = false; | |
| 2207 | |
| 2208 // Save default settings for some mode flags | |
| 2209 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2210 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2211 Arguments::_ClipInlining = ClipInlining; | |
| 2212 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2213 | |
|
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2214 // Setup flags for mixed which is the default |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2215 set_mode_flags(_mixed); |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2216 |
| 0 | 2217 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2218 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2219 if (result != JNI_OK) { | |
| 2220 return result; | |
| 2221 } | |
| 2222 | |
| 2223 // Parse JavaVMInitArgs structure passed in | |
| 2224 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, COMMAND_LINE); | |
| 2225 if (result != JNI_OK) { | |
| 2226 return result; | |
| 2227 } | |
| 2228 | |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2229 if (AggressiveOpts) { |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2230 // Insert alt-rt.jar between user-specified bootclasspath |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2231 // prefix and the default bootclasspath. os::set_boot_path() |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2232 // uses meta_index_dir as the default bootclasspath directory. |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2233 const char* altclasses_jar = "alt-rt.jar"; |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2234 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
|
2235 strlen(altclasses_jar); |
| 6197 | 2236 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
|
2237 strcpy(altclasses_path, get_meta_index_dir()); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2238 strcat(altclasses_path, altclasses_jar); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2239 scp.add_suffix_to_prefix(altclasses_path); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2240 scp_assembly_required = true; |
| 6197 | 2241 FREE_C_HEAP_ARRAY(char, altclasses_path, mtInternal); |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2242 } |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2243 |
| 0 | 2244 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) |
| 2245 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2246 if (result != JNI_OK) { | |
| 2247 return result; | |
| 2248 } | |
| 2249 | |
| 2250 // Do final processing now that all arguments have been parsed | |
| 2251 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2252 if (result != JNI_OK) { | |
| 2253 return result; | |
| 2254 } | |
| 2255 | |
| 2256 return JNI_OK; | |
| 2257 } | |
| 2258 | |
|
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2259 // Checks if name in command-line argument -agent{lib,path}:name[=options] |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2260 // represents a valid HPROF of JDWP agent. is_path==true denotes that we |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2261 // are dealing with -agentpath (case where name is a path), otherwise with |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2262 // -agentlib |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2263 bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2264 char *_name; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2265 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
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2266 size_t _len_hprof, _len_jdwp, _len_prefix; |
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2267 |
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2268 if (is_path) { |
|
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2269 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
|
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2270 return false; |
|
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2271 } |
|
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2272 |
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2273 _name++; // skip past last path separator |
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2274 _len_prefix = strlen(JNI_LIB_PREFIX); |
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2275 |
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2276 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
|
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2277 return false; |
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2278 } |
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2279 |
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2280 _name += _len_prefix; |
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2281 _len_hprof = strlen(_hprof); |
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2282 _len_jdwp = strlen(_jdwp); |
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2283 |
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2284 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
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2285 _name += _len_hprof; |
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2286 } |
|
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2287 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
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2288 _name += _len_jdwp; |
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2289 } |
|
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2290 else { |
|
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2291 return false; |
|
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2292 } |
|
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2293 |
|
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2294 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
|
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2295 return false; |
|
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|
2296 } |
|
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|
2297 |
|
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|
2298 return true; |
|
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|
2299 } |
|
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|
2300 |
|
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2301 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
|
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2302 return true; |
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|
2303 } |
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2304 |
|
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2305 return false; |
|
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|
2306 } |
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|
2307 |
| 0 | 2308 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
| 2309 SysClassPath* scp_p, | |
| 2310 bool* scp_assembly_required_p, | |
| 2311 FlagValueOrigin origin) { | |
| 2312 // Remaining part of option string | |
| 2313 const char* tail; | |
| 2314 | |
| 2315 // iterate over arguments | |
| 2316 for (int index = 0; index < args->nOptions; index++) { | |
| 2317 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2318 | |
| 2319 const JavaVMOption* option = args->options + index; | |
| 2320 | |
| 2321 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2322 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2323 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2324 | |
| 2325 // add all jvm options to the jvm_args string. This string | |
| 2326 // is used later to set the java.vm.args PerfData string constant. | |
| 2327 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2328 // omitted from jvm_args string as each have their own PerfData | |
| 2329 // string constant object. | |
| 2330 build_jvm_args(option->optionString); | |
| 2331 } | |
| 2332 | |
| 2333 // -verbose:[class/gc/jni] | |
| 2334 if (match_option(option, "-verbose", &tail)) { | |
| 2335 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2336 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2337 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2338 } else if (!strcmp(tail, ":gc")) { | |
| 2339 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2340 } else if (!strcmp(tail, ":jni")) { | |
| 2341 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2342 } | |
| 2343 // -da / -ea / -disableassertions / -enableassertions | |
| 2344 // These accept an optional class/package name separated by a colon, e.g., | |
| 2345 // -da:java.lang.Thread. | |
| 2346 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2347 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2348 if (*tail == '\0') { | |
| 2349 JavaAssertions::setUserClassDefault(enable); | |
| 2350 } else { | |
| 2351 assert(*tail == ':', "bogus match by match_option()"); | |
| 2352 JavaAssertions::addOption(tail + 1, enable); | |
| 2353 } | |
| 2354 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2355 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2356 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2357 JavaAssertions::setSystemClassDefault(enable); | |
| 2358 // -bootclasspath: | |
| 2359 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2360 scp_p->reset_path(tail); | |
| 2361 *scp_assembly_required_p = true; | |
| 2362 // -bootclasspath/a: | |
| 2363 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2364 scp_p->add_suffix(tail); | |
| 2365 *scp_assembly_required_p = true; | |
| 2366 // -bootclasspath/p: | |
| 2367 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2368 scp_p->add_prefix(tail); | |
| 2369 *scp_assembly_required_p = true; | |
| 2370 // -Xrun | |
| 2371 } else if (match_option(option, "-Xrun", &tail)) { | |
|
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|
2372 if (tail != NULL) { |
| 0 | 2373 const char* pos = strchr(tail, ':'); |
| 2374 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2375 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2376 name[len] = '\0'; |
| 2377 | |
| 2378 char *options = NULL; | |
| 2379 if(pos != NULL) { | |
| 2380 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2381 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2382 } |
|
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2383 #if !INCLUDE_JVMTI |
| 0 | 2384 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
|
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2385 jio_fprintf(defaultStream::error_stream(), |
|
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|
2386 "Profiling and debugging agents are not supported in this VM\n"); |
|
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2387 return JNI_ERR; |
|
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|
2388 } |
|
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|
2389 #endif // !INCLUDE_JVMTI |
|
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|
2390 add_init_library(name, options); |
| 0 | 2391 } |
| 2392 // -agentlib and -agentpath | |
| 2393 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2394 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2395 if(tail != NULL) { | |
| 2396 const char* pos = strchr(tail, '='); | |
| 2397 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2398 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2399 name[len] = '\0'; |
| 2400 | |
| 2401 char *options = NULL; | |
| 2402 if(pos != NULL) { | |
| 6197 | 2403 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2404 } |
|
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|
2405 #if !INCLUDE_JVMTI |
|
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2406 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
|
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2407 jio_fprintf(defaultStream::error_stream(), |
|
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2408 "Profiling and debugging agents are not supported in this VM\n"); |
|
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|
2409 return JNI_ERR; |
|
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|
2410 } |
|
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|
2411 #endif // !INCLUDE_JVMTI |
| 0 | 2412 add_init_agent(name, options, is_absolute_path); |
| 2413 } | |
| 2414 // -javaagent | |
| 2415 } else if (match_option(option, "-javaagent:", &tail)) { | |
|
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|
2416 #if !INCLUDE_JVMTI |
|
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2417 jio_fprintf(defaultStream::error_stream(), |
|
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|
2418 "Instrumentation agents are not supported in this VM\n"); |
|
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|
2419 return JNI_ERR; |
|
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|
2420 #else |
| 0 | 2421 if(tail != NULL) { |
| 6197 | 2422 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2423 add_init_agent("instrument", options, false); |
| 2424 } | |
|
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|
2425 #endif // !INCLUDE_JVMTI |
| 0 | 2426 // -Xnoclassgc |
| 2427 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2428 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2429 // -Xincgc: i-CMS | |
| 2430 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2431 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2432 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2433 // -Xnoincgc: no i-CMS | |
| 2434 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2435 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2436 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2437 // -Xconcgc | |
| 2438 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2439 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2440 // -Xnoconcgc | |
| 2441 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2442 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2443 // -Xbatch | |
| 2444 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2445 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2446 // -Xmn for compatibility with other JVM vendors | |
| 2447 } else if (match_option(option, "-Xmn", &tail)) { | |
|
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|
2448 julong long_initial_eden_size = 0; |
| 0 | 2449 ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1); |
| 2450 if (errcode != arg_in_range) { | |
| 2451 jio_fprintf(defaultStream::error_stream(), | |
| 2452 "Invalid initial eden size: %s\n", option->optionString); | |
| 2453 describe_range_error(errcode); | |
| 2454 return JNI_EINVAL; | |
| 2455 } | |
| 1064 | 2456 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size); |
| 2457 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size); | |
| 0 | 2458 // -Xms |
| 2459 } else if (match_option(option, "-Xms", &tail)) { | |
|
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|
2460 julong long_initial_heap_size = 0; |
|
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|
2461 // an initial heap size of 0 means automatically determine |
|
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|
2462 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
| 0 | 2463 if (errcode != arg_in_range) { |
| 2464 jio_fprintf(defaultStream::error_stream(), | |
| 2465 "Invalid initial heap size: %s\n", option->optionString); | |
| 2466 describe_range_error(errcode); | |
| 2467 return JNI_EINVAL; | |
| 2468 } | |
| 1064 | 2469 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2470 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2471 set_min_heap_size(InitialHeapSize); |
| 0 | 2472 // -Xmx |
|
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|
2473 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
|
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|
2474 julong long_max_heap_size = 0; |
| 0 | 2475 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2476 if (errcode != arg_in_range) { | |
| 2477 jio_fprintf(defaultStream::error_stream(), | |
| 2478 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2479 describe_range_error(errcode); | |
| 2480 return JNI_EINVAL; | |
| 2481 } | |
| 1064 | 2482 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2483 // Xmaxf |
| 2484 } else if (match_option(option, "-Xmaxf", &tail)) { | |
| 2485 int maxf = (int)(atof(tail) * 100); | |
| 2486 if (maxf < 0 || maxf > 100) { | |
| 2487 jio_fprintf(defaultStream::error_stream(), | |
| 2488 "Bad max heap free percentage size: %s\n", | |
| 2489 option->optionString); | |
| 2490 return JNI_EINVAL; | |
| 2491 } else { | |
| 2492 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2493 } | |
| 2494 // Xminf | |
| 2495 } else if (match_option(option, "-Xminf", &tail)) { | |
| 2496 int minf = (int)(atof(tail) * 100); | |
| 2497 if (minf < 0 || minf > 100) { | |
| 2498 jio_fprintf(defaultStream::error_stream(), | |
| 2499 "Bad min heap free percentage size: %s\n", | |
| 2500 option->optionString); | |
| 2501 return JNI_EINVAL; | |
| 2502 } else { | |
| 2503 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2504 } | |
| 2505 // -Xss | |
| 2506 } else if (match_option(option, "-Xss", &tail)) { | |
|
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2507 julong long_ThreadStackSize = 0; |
| 0 | 2508 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2509 if (errcode != arg_in_range) { | |
| 2510 jio_fprintf(defaultStream::error_stream(), | |
| 2511 "Invalid thread stack size: %s\n", option->optionString); | |
| 2512 describe_range_error(errcode); | |
| 2513 return JNI_EINVAL; | |
| 2514 } | |
| 2515 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2516 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2517 round_to((int)long_ThreadStackSize, K) / K); | |
| 2518 // -Xoss | |
| 2519 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2520 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
| 2521 // -Xmaxjitcodesize | |
|
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|
2522 } else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
|
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|
2523 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
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2524 julong long_ReservedCodeCacheSize = 0; |
| 0 | 2525 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, |
|
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|
2526 (size_t)InitialCodeCacheSize); |
| 0 | 2527 if (errcode != arg_in_range) { |
| 2528 jio_fprintf(defaultStream::error_stream(), | |
|
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|
2529 "Invalid maximum code cache size: %s. Should be greater than InitialCodeCacheSize=%dK\n", |
|
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|
2530 option->optionString, InitialCodeCacheSize/K); |
| 0 | 2531 describe_range_error(errcode); |
| 2532 return JNI_EINVAL; | |
| 2533 } | |
| 2534 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
| 2535 // -green | |
| 2536 } else if (match_option(option, "-green", &tail)) { | |
| 2537 jio_fprintf(defaultStream::error_stream(), | |
| 2538 "Green threads support not available\n"); | |
| 2539 return JNI_EINVAL; | |
| 2540 // -native | |
| 2541 } else if (match_option(option, "-native", &tail)) { | |
| 2542 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2543 // -Xsqnopause | |
| 2544 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2545 // EVM option, ignore silently for compatibility | |
| 2546 // -Xrs | |
| 2547 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2548 // Classic/EVM option, new functionality | |
| 2549 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2550 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2551 // change default internal VM signals used - lower case for back compat | |
| 2552 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2553 // -Xoptimize | |
| 2554 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2555 // EVM option, ignore silently for compatibility | |
| 2556 // -Xprof | |
| 2557 } else if (match_option(option, "-Xprof", &tail)) { | |
|
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|
2558 #if INCLUDE_FPROF |
| 0 | 2559 _has_profile = true; |
|
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|
2560 #else // INCLUDE_FPROF |
|
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2561 jio_fprintf(defaultStream::error_stream(), |
|
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2562 "Flat profiling is not supported in this VM.\n"); |
|
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|
2563 return JNI_ERR; |
|
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|
2564 #endif // INCLUDE_FPROF |
| 0 | 2565 // -Xaprof |
| 2566 } else if (match_option(option, "-Xaprof", &tail)) { | |
| 2567 _has_alloc_profile = true; | |
| 2568 // -Xconcurrentio | |
| 2569 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2570 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2571 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2572 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 2573 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2574 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 2575 | |
| 2576 // -Xinternalversion | |
| 2577 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 2578 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 2579 VM_Version::internal_vm_info_string()); | |
| 2580 vm_exit(0); | |
| 2581 #ifndef PRODUCT | |
| 2582 // -Xprintflags | |
| 2583 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 2584 CommandLineFlags::printFlags(tty, false); |
| 0 | 2585 vm_exit(0); |
| 2586 #endif | |
| 2587 // -D | |
| 2588 } else if (match_option(option, "-D", &tail)) { | |
| 2589 if (!add_property(tail)) { | |
| 2590 return JNI_ENOMEM; | |
| 2591 } | |
| 2592 // Out of the box management support | |
| 2593 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
|
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|
2594 #if INCLUDE_MANAGEMENT |
| 0 | 2595 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
|
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|
2596 #else |
|
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2597 jio_fprintf(defaultStream::output_stream(), |
|
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|
2598 "-Dcom.sun.management is not supported in this VM.\n"); |
|
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|
2599 return JNI_ERR; |
|
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|
2600 #endif |
| 0 | 2601 } |
| 2602 // -Xint | |
| 2603 } else if (match_option(option, "-Xint", &tail)) { | |
| 2604 set_mode_flags(_int); | |
| 2605 // -Xmixed | |
| 2606 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 2607 set_mode_flags(_mixed); | |
| 2608 // -Xcomp | |
| 2609 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 2610 // for testing the compiler; turn off all flags that inhibit compilation | |
| 2611 set_mode_flags(_comp); | |
| 2612 // -Xshare:dump | |
| 2613 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
| 2614 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 2615 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 2616 // -Xshare:on | |
| 2617 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 2618 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2619 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 2620 // -Xshare:auto | |
| 2621 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 2622 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2623 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2624 // -Xshare:off | |
| 2625 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 2626 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 2627 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2628 // -Xverify | |
| 2629 } else if (match_option(option, "-Xverify", &tail)) { | |
| 2630 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 2631 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 2632 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2633 } else if (strcmp(tail, ":remote") == 0) { | |
| 2634 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2635 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2636 } else if (strcmp(tail, ":none") == 0) { | |
| 2637 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2638 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 2639 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 2640 return JNI_EINVAL; | |
| 2641 } | |
| 2642 // -Xdebug | |
| 2643 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 2644 // note this flag has been used, then ignore | |
| 2645 set_xdebug_mode(true); | |
| 2646 // -Xnoagent | |
| 2647 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 2648 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 2649 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 2650 // Bind user level threads to kernel threads (Solaris only) | |
| 2651 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 2652 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 2653 // Redirect GC output to the file. -Xloggc:<filename> | |
| 2654 // ostream_init_log(), when called will use this filename | |
| 2655 // to initialize a fileStream. | |
| 2656 _gc_log_filename = strdup(tail); | |
| 2657 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2658 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 2659 | |
| 2660 // JNI hooks | |
| 2661 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 2662 if (!strcmp(tail, ":jni")) { | |
|
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2663 #if !INCLUDE_JNI_CHECK |
|
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|
2664 warning("JNI CHECKING is not supported in this VM"); |
|
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|
2665 #else |
| 0 | 2666 CheckJNICalls = true; |
|
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|
2667 #endif // INCLUDE_JNI_CHECK |
| 0 | 2668 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 2669 "check")) { | |
| 2670 return JNI_EINVAL; | |
| 2671 } | |
| 2672 } else if (match_option(option, "vfprintf", &tail)) { | |
| 2673 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 2674 } else if (match_option(option, "exit", &tail)) { | |
| 2675 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 2676 } else if (match_option(option, "abort", &tail)) { | |
| 2677 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 2678 // -XX:+AggressiveHeap | |
| 2679 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 2680 | |
| 2681 // This option inspects the machine and attempts to set various | |
| 2682 // parameters to be optimal for long-running, memory allocation | |
| 2683 // intensive jobs. It is intended for machines with large | |
| 2684 // amounts of cpu and memory. | |
| 2685 | |
| 2686 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 2687 // VM, but we may not be able to represent the total physical memory | |
| 2688 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 2689 // Thus, we need to make sure we're using a julong for intermediate | |
| 2690 // calculations. | |
| 2691 julong initHeapSize; | |
| 2692 julong total_memory = os::physical_memory(); | |
| 2693 | |
| 2694 if (total_memory < (julong)256*M) { | |
| 2695 jio_fprintf(defaultStream::error_stream(), | |
| 2696 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 2697 vm_exit(1); | |
| 2698 } | |
| 2699 | |
| 2700 // The heap size is half of available memory, or (at most) | |
| 2701 // all of possible memory less 160mb (leaving room for the OS | |
| 2702 // when using ISM). This is the maximum; because adaptive sizing | |
| 2703 // is turned on below, the actual space used may be smaller. | |
| 2704 | |
| 2705 initHeapSize = MIN2(total_memory / (julong)2, | |
| 2706 total_memory - (julong)160*M); | |
| 2707 | |
|
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|
2708 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
| 0 | 2709 |
| 2710 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 2711 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 2712 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 2713 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2714 set_min_heap_size(initHeapSize); |
| 0 | 2715 } |
| 2716 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 2717 // Make the young generation 3/8ths of the total heap. | |
| 2718 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 2719 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 2720 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 2721 } | |
| 2722 | |
|
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|
2723 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 2724 FLAG_SET_DEFAULT(UseLargePages, true); |
|
6917
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|
2725 #endif |
| 0 | 2726 |
| 2727 // Increase some data structure sizes for efficiency | |
| 2728 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 2729 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2730 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 2731 | |
| 2732 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 2733 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 2734 // space per-gc-thread buffers. The default is 4kw. | |
| 2735 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 2736 | |
| 2737 // OldPLABSize is the size of the buffers in the old gen that | |
| 2738 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 2739 // survivor spaces. At any given time, there's one for each gc thread. | |
| 2740 // The default size is 1kw. These buffers are rarely used, since the | |
| 2741 // survivor spaces are usually big enough. For specjbb, however, there | |
| 2742 // are occasions when there's lots of live data in the young gen | |
| 2743 // and we end up promoting some of it. We don't have a definite | |
| 2744 // explanation for why bumping OldPLABSize helps, but the theory | |
| 2745 // is that a bigger PLAB results in retaining something like the | |
| 2746 // original allocation order after promotion, which improves mutator | |
| 2747 // locality. A minor effect may be that larger PLABs reduce the | |
| 2748 // number of PLAB allocation events during gc. The value of 8kw | |
| 2749 // was arrived at by experimenting with specjbb. | |
| 2750 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 2751 | |
| 2752 // Enable parallel GC and adaptive generation sizing | |
| 2753 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
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|
2754 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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|
2755 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 2756 |
| 2757 // Encourage steady state memory management | |
| 2758 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 2759 | |
| 2760 // This appears to improve mutator locality | |
| 2761 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2762 | |
| 2763 // Get around early Solaris scheduling bug | |
| 2764 // (affinity vs other jobs on system) | |
| 2765 // but disallow DR and offlining (5008695). | |
| 2766 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 2767 | |
| 2768 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 2769 // The last option must always win. | |
| 2770 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 2771 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 2772 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 2773 // The last option must always win. | |
| 2774 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 2775 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 2776 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 2777 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 2778 jio_fprintf(defaultStream::error_stream(), | |
| 2779 "Please use CMSClassUnloadingEnabled in place of " | |
| 2780 "CMSPermGenSweepingEnabled in the future\n"); | |
| 2781 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 2782 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 2783 jio_fprintf(defaultStream::error_stream(), | |
| 2784 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 2785 "-XX:+UseGCTimeLimit in the future\n"); | |
| 2786 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 2787 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 2788 jio_fprintf(defaultStream::error_stream(), | |
| 2789 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 2790 "-XX:-UseGCTimeLimit in the future\n"); | |
| 2791 // The TLE options are for compatibility with 1.3 and will be | |
| 2792 // removed without notice in a future release. These options | |
| 2793 // are not to be documented. | |
| 2794 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 2795 // No longer used. | |
| 2796 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 2797 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 2798 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 2799 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2800 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 2801 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 2802 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 2803 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 2804 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 2805 // No longer used. | |
| 2806 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
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|
2807 julong long_tlab_size = 0; |
| 0 | 2808 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 2809 if (errcode != arg_in_range) { | |
| 2810 jio_fprintf(defaultStream::error_stream(), | |
| 2811 "Invalid TLAB size: %s\n", option->optionString); | |
| 2812 describe_range_error(errcode); | |
| 2813 return JNI_EINVAL; | |
| 2814 } | |
| 2815 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 2816 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 2817 // No longer used. | |
| 2818 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 2819 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 2820 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 2821 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2822 SOLARIS_ONLY( | |
| 2823 } else if (match_option(option, "-XX:+UsePermISM", &tail)) { | |
| 2824 warning("-XX:+UsePermISM is obsolete."); | |
| 2825 FLAG_SET_CMDLINE(bool, UseISM, true); | |
| 2826 } else if (match_option(option, "-XX:-UsePermISM", &tail)) { | |
| 2827 FLAG_SET_CMDLINE(bool, UseISM, false); | |
| 2828 ) | |
| 2829 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 2830 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 2831 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 2832 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 2833 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 2834 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 2835 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 2836 #if defined(DTRACE_ENABLED) |
| 0 | 2837 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 2838 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 2839 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 2840 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 2841 #else // defined(DTRACE_ENABLED) |
| 0 | 2842 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 2843 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 2844 return JNI_EINVAL; |
| 4006 | 2845 #endif // defined(DTRACE_ENABLED) |
| 0 | 2846 #ifdef ASSERT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2847 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 2848 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 2849 // disable scavenge before parallel mark-compact | |
| 2850 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2851 #endif | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2852 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 2853 julong cms_blocks_to_claim = (julong)atol(tail); |
| 2854 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 2855 jio_fprintf(defaultStream::error_stream(), | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2856 "Please use -XX:OldPLABSize in place of " |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2857 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2858 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2859 julong cms_blocks_to_claim = (julong)atol(tail); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2860 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2861 jio_fprintf(defaultStream::error_stream(), |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2862 "Please use -XX:OldPLABSize in place of " |
| 0 | 2863 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2864 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2865 julong old_plab_size = 0; |
| 0 | 2866 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 2867 if (errcode != arg_in_range) { | |
| 2868 jio_fprintf(defaultStream::error_stream(), | |
| 2869 "Invalid old PLAB size: %s\n", option->optionString); | |
| 2870 describe_range_error(errcode); | |
| 2871 return JNI_EINVAL; | |
| 2872 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2873 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 2874 jio_fprintf(defaultStream::error_stream(), |
| 2875 "Please use -XX:OldPLABSize in place of " | |
| 2876 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2877 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2878 julong young_plab_size = 0; |
| 0 | 2879 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 2880 if (errcode != arg_in_range) { | |
| 2881 jio_fprintf(defaultStream::error_stream(), | |
| 2882 "Invalid young PLAB size: %s\n", option->optionString); | |
| 2883 describe_range_error(errcode); | |
| 2884 return JNI_EINVAL; | |
| 2885 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2886 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 2887 jio_fprintf(defaultStream::error_stream(), |
| 2888 "Please use -XX:YoungPLABSize in place of " | |
| 2889 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 2890 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 2891 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 2892 julong stack_size = 0; | |
| 2893 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 2894 if (errcode != arg_in_range) { | |
| 2895 jio_fprintf(defaultStream::error_stream(), | |
| 2896 "Invalid mark stack size: %s\n", option->optionString); | |
| 2897 describe_range_error(errcode); | |
| 2898 return JNI_EINVAL; | |
| 2899 } | |
| 2900 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 2901 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 2902 julong max_stack_size = 0; | |
| 2903 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 2904 if (errcode != arg_in_range) { | |
| 2905 jio_fprintf(defaultStream::error_stream(), | |
| 2906 "Invalid maximum mark stack size: %s\n", | |
| 2907 option->optionString); | |
| 2908 describe_range_error(errcode); | |
| 2909 return JNI_EINVAL; | |
| 2910 } | |
| 2911 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 2912 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 2913 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 2914 uintx conc_threads = 0; | |
| 2915 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 2916 jio_fprintf(defaultStream::error_stream(), | |
| 2917 "Invalid concurrent threads: %s\n", option->optionString); | |
| 2918 return JNI_EINVAL; | |
| 2919 } | |
| 2920 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2921 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2922 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2923 ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2924 if (errcode != arg_in_range) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2925 jio_fprintf(defaultStream::error_stream(), |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2926 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2927 option->optionString); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2928 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2929 return JNI_EINVAL; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2930 } |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2931 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2932 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2933 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2934 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2935 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
|
2936 FLAG_SET_CMDLINE(bool, UseVMInterruptibleIO, true); |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2937 #if !INCLUDE_MANAGEMENT |
|
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2938 } else if (match_option(option, "-XX:+ManagementServer", &tail)) { |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2939 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2940 "ManagementServer is not supported in this VM.\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2941 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2942 #endif // INCLUDE_MANAGEMENT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2943 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 2944 // Skip -XX:Flags= since that case has already been handled |
| 2945 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 2946 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 2947 return JNI_EINVAL; | |
| 2948 } | |
| 2949 } | |
| 2950 // Unknown option | |
| 2951 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
| 2952 return JNI_ERR; | |
| 2953 } | |
| 2954 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
2955 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
2956 // 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
|
2957 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2958 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2959 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2960 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2961 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2962 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2963 #endif // LINUX |
| 0 | 2964 return JNI_OK; |
| 2965 } | |
| 2966 | |
| 2967 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
| 2968 // This must be done after all -D arguments have been processed. | |
| 2969 scp_p->expand_endorsed(); | |
| 2970 | |
| 2971 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
| 2972 // Assemble the bootclasspath elements into the final path. | |
| 2973 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 2974 } | |
| 2975 | |
| 2976 // This must be done after all arguments have been processed. | |
| 2977 // java_compiler() true means set to "NONE" or empty. | |
| 2978 if (java_compiler() && !xdebug_mode()) { | |
| 2979 // For backwards compatibility, we switch to interpreted mode if | |
| 2980 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 2981 // not specified. | |
| 2982 set_mode_flags(_int); | |
| 2983 } | |
| 2984 if (CompileThreshold == 0) { | |
| 2985 set_mode_flags(_int); | |
| 2986 } | |
| 2987 | |
| 2988 #ifndef COMPILER2 | |
| 2989 // Don't degrade server performance for footprint | |
| 2990 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 2991 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 2992 // No need for large granularity pages w/small heaps. | |
| 2993 // Note that large pages are enabled/disabled for both the | |
| 2994 // Java heap and the code cache. | |
| 2995 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 2996 SOLARIS_ONLY(FLAG_SET_DEFAULT(UseMPSS, false)); | |
| 2997 SOLARIS_ONLY(FLAG_SET_DEFAULT(UseISM, false)); | |
| 2998 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
2999 |
|
1251
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3000 // Tiered compilation is undefined with C1. |
|
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3001 TieredCompilation = false; |
| 0 | 3002 #else |
| 3003 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
| 3004 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3005 } | |
| 3006 #endif | |
| 3007 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3008 // 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
|
3009 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3010 // 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
|
3011 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3012 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3013 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3014 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3015 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3016 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3017 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3018 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3019 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3020 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3021 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3022 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3023 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3024 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3025 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3026 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3027 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3028 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3029 |
| 0 | 3030 if (!check_vm_args_consistency()) { |
| 3031 return JNI_ERR; | |
| 3032 } | |
| 3033 | |
| 3034 return JNI_OK; | |
| 3035 } | |
| 3036 | |
| 3037 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3038 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3039 scp_assembly_required_p); | |
| 3040 } | |
| 3041 | |
| 3042 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3043 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3044 scp_assembly_required_p); | |
| 3045 } | |
| 3046 | |
| 3047 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3048 const int N_MAX_OPTIONS = 64; | |
| 3049 const int OPTION_BUFFER_SIZE = 1024; | |
| 3050 char buffer[OPTION_BUFFER_SIZE]; | |
| 3051 | |
| 3052 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3053 // Don't check this variable if user has special privileges | |
| 3054 // (e.g. unix su command). | |
| 3055 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3056 !os::have_special_privileges()) { | |
| 3057 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3058 jio_fprintf(defaultStream::error_stream(), | |
| 3059 "Picked up %s: %s\n", name, buffer); | |
| 3060 char* rd = buffer; // pointer to the input string (rd) | |
| 3061 int i; | |
| 3062 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3063 while (isspace(*rd)) rd++; // skip whitespace | |
| 3064 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3065 | |
| 3066 // The output, option string, overwrites the input string. | |
| 3067 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3068 // input string (rd). | |
| 3069 char* wrt = rd; | |
| 3070 | |
| 3071 options[i++].optionString = wrt; // Fill in option | |
| 3072 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3073 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3074 int quote = *rd; // matching quote to look for | |
| 3075 rd++; // don't copy open quote | |
| 3076 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3077 if (*rd == 0) { // string termination means unmatched string | |
| 3078 jio_fprintf(defaultStream::error_stream(), | |
| 3079 "Unmatched quote in %s\n", name); | |
| 3080 return JNI_ERR; | |
| 3081 } | |
| 3082 *wrt++ = *rd++; // copy to option string | |
| 3083 } | |
| 3084 rd++; // don't copy close quote | |
| 3085 } else { | |
| 3086 *wrt++ = *rd++; // copy to option string | |
| 3087 } | |
| 3088 } | |
| 3089 // Need to check if we're done before writing a NULL, | |
| 3090 // because the write could be to the byte that rd is pointing to. | |
| 3091 if (*rd++ == 0) { | |
| 3092 *wrt = 0; | |
| 3093 break; | |
| 3094 } | |
| 3095 *wrt = 0; // Zero terminate option | |
| 3096 } | |
| 3097 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3098 JavaVMInitArgs vm_args; | |
| 3099 vm_args.version = JNI_VERSION_1_2; | |
| 3100 vm_args.options = options; | |
| 3101 vm_args.nOptions = i; | |
| 564 | 3102 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3103 |
| 3104 if (PrintVMOptions) { | |
| 3105 const char* tail; | |
| 3106 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3107 const JavaVMOption *option = vm_args.options + i; | |
| 3108 if (match_option(option, "-XX:", &tail)) { | |
| 3109 logOption(tail); | |
| 3110 } | |
| 3111 } | |
| 3112 } | |
| 3113 | |
| 3114 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, ENVIRON_VAR)); | |
| 3115 } | |
| 3116 return JNI_OK; | |
| 3117 } | |
| 3118 | |
|
2362
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7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3119 void Arguments::set_shared_spaces_flags() { |
|
10256
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3120 #ifdef _LP64 |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3121 const bool must_share = DumpSharedSpaces || RequireSharedSpaces; |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3122 |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3123 // CompressedOops cannot be used with CDS. The offsets of oopmaps and |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3124 // static fields are incorrect in the archive. With some more clever |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3125 // initialization, this restriction can probably be lifted. |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3126 if (UseCompressedOops) { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3127 if (must_share) { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3128 warning("disabling compressed oops because of %s", |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3129 DumpSharedSpaces ? "-Xshare:dump" : "-Xshare:on"); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3130 FLAG_SET_CMDLINE(bool, UseCompressedOops, false); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3131 FLAG_SET_CMDLINE(bool, UseCompressedKlassPointers, false); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3132 } else { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3133 // Prefer compressed oops to class data sharing |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3134 if (UseSharedSpaces && Verbose) { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3135 warning("turning off use of shared archive because of compressed oops"); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3136 } |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3137 no_shared_spaces(); |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3138 } |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3139 } |
|
10256
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3140 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3141 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3142 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3143 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3144 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
|
3145 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3146 UseSharedSpaces = false; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3147 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3148 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3149 |
|
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3150 // 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
|
3151 // were explicitly requested on the command-line |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3152 #define UNSUPPORTED_OPTION(opt, description) \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3153 do { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3154 if (opt) { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3155 if (FLAG_IS_CMDLINE(opt)) { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3156 warning(description " is disabled in this release."); \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3157 } \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3158 FLAG_SET_DEFAULT(opt, false); \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3159 } \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3160 } while(0) |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3161 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3162 |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3163 #define UNSUPPORTED_GC_OPTION(gc) \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3164 do { \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3165 if (gc) { \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3166 if (FLAG_IS_CMDLINE(gc)) { \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3167 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3168 } \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3169 FLAG_SET_DEFAULT(gc, false); \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3170 } \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3171 } while(0) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3172 |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3173 #if !INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3174 static void force_serial_gc() { |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3175 FLAG_SET_DEFAULT(UseSerialGC, true); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3176 FLAG_SET_DEFAULT(CMSIncrementalMode, false); // special CMS suboption |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3177 UNSUPPORTED_GC_OPTION(UseG1GC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3178 UNSUPPORTED_GC_OPTION(UseParallelGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3179 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3180 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3181 UNSUPPORTED_GC_OPTION(UseParNewGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3182 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3183 #endif // INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3184 |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3185 // Sharing support |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3186 // Construct the path to the archive |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3187 static char* get_shared_archive_path() { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3188 char *shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3189 if (SharedArchiveFile == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3190 char jvm_path[JVM_MAXPATHLEN]; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3191 os::jvm_path(jvm_path, sizeof(jvm_path)); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3192 char *end = strrchr(jvm_path, *os::file_separator()); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3193 if (end != NULL) *end = '\0'; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3194 size_t jvm_path_len = strlen(jvm_path); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3195 size_t file_sep_len = strlen(os::file_separator()); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3196 shared_archive_path = NEW_C_HEAP_ARRAY(char, jvm_path_len + |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3197 file_sep_len + 20, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3198 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3199 strncpy(shared_archive_path, jvm_path, jvm_path_len + 1); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3200 strncat(shared_archive_path, os::file_separator(), file_sep_len); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3201 strncat(shared_archive_path, "classes.jsa", 11); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3202 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3203 } else { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3204 shared_archive_path = NEW_C_HEAP_ARRAY(char, strlen(SharedArchiveFile) + 1, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3205 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3206 strncpy(shared_archive_path, SharedArchiveFile, strlen(SharedArchiveFile) + 1); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3207 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3208 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3209 return shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3210 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3211 |
| 0 | 3212 // Parse entry point called from JNI_CreateJavaVM |
| 3213 | |
| 3214 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 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 |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3252 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3253 "Native Memory Tracking is not supported in this VM\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3254 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3255 #endif |
| 6197 | 3256 } |
| 3257 | |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3258 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3259 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3260 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3261 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3262 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3263 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3264 #endif |
| 564 | 3265 } |
| 3266 | |
| 3267 if (IgnoreUnrecognizedVMOptions) { | |
| 3268 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3269 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3270 } | |
| 3271 | |
| 3272 // Parse specified settings file | |
| 3273 if (settings_file_specified) { | |
| 3274 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3275 return JNI_EINVAL; | |
| 3276 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3277 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3278 #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
|
3279 // Parse default .hotspotrc settings file |
| 0 | 3280 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3281 return JNI_EINVAL; | |
| 3282 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3283 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3284 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
|
3285 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
|
3286 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
|
3287 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3288 #endif |
| 0 | 3289 } |
| 3290 | |
| 3291 if (PrintVMOptions) { | |
| 3292 for (index = 0; index < args->nOptions; index++) { | |
| 3293 const JavaVMOption *option = args->options + index; | |
| 3294 if (match_option(option, "-XX:", &tail)) { | |
| 3295 logOption(tail); | |
| 3296 } | |
| 3297 } | |
| 3298 } | |
| 3299 | |
| 3300 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3301 jint result = parse_vm_init_args(args); | |
| 3302 if (result != JNI_OK) { | |
| 3303 return result; | |
| 3304 } | |
| 3305 | |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3306 // Call get_shared_archive_path() here, after possible SharedArchiveFile option got parsed. |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3307 SharedArchivePath = get_shared_archive_path(); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3308 if (SharedArchivePath == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3309 return JNI_ENOMEM; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3310 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3311 |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3312 // 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
|
3313 // 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
|
3314 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
|
3315 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
|
3316 "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
|
3317 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3318 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3319 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3320 #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
|
3321 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3322 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3323 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3324 #if INCLUDE_ALL_GCS |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3325 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3326 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3327 #endif |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3328 #endif |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3329 |
| 0 | 3330 #ifndef PRODUCT |
| 3331 if (TraceBytecodesAt != 0) { | |
| 3332 TraceBytecodes = true; | |
| 3333 } | |
| 3334 if (CountCompiledCalls) { | |
| 3335 if (UseCounterDecay) { | |
| 3336 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 3337 UseCounterDecay = false; | |
| 3338 } | |
| 3339 } | |
| 3340 #endif // PRODUCT | |
| 3341 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3342 // 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
|
3343 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3344 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3345 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3346 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
|
3347 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3348 EnableInvokeDynamic = false; |
| 710 | 3349 } |
| 3350 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3351 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3352 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3353 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3354 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
|
3355 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3356 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3357 } |
| 710 | 3358 |
| 0 | 3359 if (PrintGCDetails) { |
| 3360 // Turn on -verbose:gc options as well | |
| 3361 PrintGC = true; | |
| 3362 } | |
| 3363 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3364 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3365 // 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
|
3366 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3367 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3368 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3369 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3370 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3371 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3372 // 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
|
3373 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
|
3374 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3375 #if !INCLUDE_ALL_GCS |
| 1064 | 3376 force_serial_gc(); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3377 #endif // INCLUDE_ALL_GCS |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3378 #if !INCLUDE_CDS |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3379 if (DumpSharedSpaces || RequireSharedSpaces) { |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3380 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3381 "Shared spaces are not supported in this VM\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3382 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3383 } |
|
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3384 if ((UseSharedSpaces && FLAG_IS_CMDLINE(UseSharedSpaces)) || PrintSharedSpaces) { |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3385 warning("Shared spaces are not supported in this VM"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3386 FLAG_SET_DEFAULT(UseSharedSpaces, false); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3387 FLAG_SET_DEFAULT(PrintSharedSpaces, false); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3388 } |
| 0 | 3389 no_shared_spaces(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3390 #endif // INCLUDE_CDS |
| 0 | 3391 |
| 3392 // Set flags based on ergonomics. | |
| 3393 set_ergonomics_flags(); | |
| 3394 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3395 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3396 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3397 // Check the GC selections again. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3398 if (!check_gc_consistency()) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3399 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3400 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3401 |
| 1783 | 3402 if (TieredCompilation) { |
| 3403 set_tiered_flags(); | |
| 3404 } else { | |
| 3405 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
| 3406 if (CompilationPolicyChoice >= 2) { | |
| 3407 vm_exit_during_initialization( | |
| 3408 "Incompatible compilation policy selected", NULL); | |
| 3409 } | |
| 3410 } | |
| 3411 | |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3412 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3413 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3414 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3415 #if INCLUDE_ALL_GCS |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3416 // Set per-collector flags |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3417 if (UseParallelGC || UseParallelOldGC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3418 set_parallel_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3419 } 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
|
3420 set_cms_and_parnew_gc_flags(); |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3421 } 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
|
3422 set_parnew_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3423 } else if (UseG1GC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3424 set_g1_gc_flags(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3425 } |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3426 check_deprecated_gcs(); |
| 8734 | 3427 check_deprecated_gc_flags(); |
|
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3428 if (AssumeMP && !UseSerialGC) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3429 if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3430 warning("If the number of processors is expected to increase from one, then" |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3431 " you should configure the number of parallel GC threads appropriately" |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3432 " using -XX:ParallelGCThreads=N"); |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3433 } |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3434 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3435 #else // INCLUDE_ALL_GCS |
| 0 | 3436 assert(verify_serial_gc_flags(), "SerialGC unset"); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3437 #endif // INCLUDE_ALL_GCS |
| 0 | 3438 |
| 3439 // Set bytecode rewriting flags | |
| 3440 set_bytecode_flags(); | |
| 3441 | |
| 3442 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
| 3443 set_aggressive_opts_flags(); | |
| 3444 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3445 // Turn off biased locking for locking debug mode flags, |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3446 // 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
|
3447 // biased locking. |
| 2331 | 3448 if (UseHeavyMonitors |
| 3449 #ifdef COMPILER1 | |
| 3450 || !UseFastLocking | |
| 3451 #endif // COMPILER1 | |
| 3452 ) { | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3453 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3454 // 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
|
3455 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3456 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3457 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3458 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3459 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3460 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3461 |
| 0 | 3462 #ifdef CC_INTERP |
| 1131 | 3463 // Clear flags not supported by the C++ interpreter |
| 3464 FLAG_SET_DEFAULT(ProfileInterpreter, false); | |
| 0 | 3465 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 3466 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3467 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedKlassPointers, false)); |
| 1131 | 3468 #endif // CC_INTERP |
| 3469 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3470 #ifdef COMPILER2 |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3471 if (!UseBiasedLocking || EmitSync != 0) { |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3472 UseOptoBiasInlining = false; |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3473 } |
| 4777 | 3474 if (!EliminateLocks) { |
| 3475 EliminateNestedLocks = false; | |
| 3476 } | |
| 7473 | 3477 if (!Inline) { |
| 3478 IncrementalInline = false; | |
| 3479 } | |
| 3480 #ifndef PRODUCT | |
| 3481 if (!IncrementalInline) { | |
| 3482 AlwaysIncrementalInline = false; | |
| 3483 } | |
| 3484 #endif | |
| 3485 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
| 3486 // incremental inlining: bump MaxNodeLimit | |
| 3487 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
| 3488 } | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3489 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3490 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3491 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3492 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
|
3493 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3494 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3495 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3496 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3497 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3498 // 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
|
3499 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3500 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3501 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3502 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3503 #endif |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3504 |
| 0 | 3505 if (PrintCommandLineFlags) { |
| 4773 | 3506 CommandLineFlags::printSetFlags(tty); |
| 0 | 3507 } |
| 3508 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3509 // Apply CPU specific policy for the BiasedLocking |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3510 if (UseBiasedLocking) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3511 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3512 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3513 UseBiasedLocking = false; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3514 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3515 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3516 |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3517 // 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
|
3518 // 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
|
3519 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
|
3520 bool set = false; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3521 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3522 if (!set) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3523 FLAG_SET_DEFAULT(PauseAtExit, true); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3524 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3525 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3526 |
| 0 | 3527 return JNI_OK; |
| 3528 } | |
| 3529 | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3530 jint Arguments::adjust_after_os() { |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3531 #if INCLUDE_ALL_GCS |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3532 if (UseParallelGC || UseParallelOldGC) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3533 if (UseNUMA) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3534 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3535 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3536 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3537 // 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
|
3538 // 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
|
3539 UseNUMAInterleaving = true; |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3540 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3541 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3542 #endif // INCLUDE_ALL_GCS |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3543 return JNI_OK; |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3544 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3545 |
| 0 | 3546 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 3547 int count = 0; | |
| 3548 while(pl != NULL) { | |
| 3549 count++; | |
| 3550 pl = pl->next(); | |
| 3551 } | |
| 3552 return count; | |
| 3553 } | |
| 3554 | |
| 3555 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 3556 assert(key != NULL, "just checking"); | |
| 3557 SystemProperty* prop; | |
| 3558 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 3559 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 3560 } | |
| 3561 return NULL; | |
| 3562 } | |
| 3563 | |
| 3564 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 3565 int count = 0; | |
| 3566 const char* ret_val = NULL; | |
| 3567 | |
| 3568 while(pl != NULL) { | |
| 3569 if(count >= index) { | |
| 3570 ret_val = pl->key(); | |
| 3571 break; | |
| 3572 } | |
| 3573 count++; | |
| 3574 pl = pl->next(); | |
| 3575 } | |
| 3576 | |
| 3577 return ret_val; | |
| 3578 } | |
| 3579 | |
| 3580 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 3581 int count = 0; | |
| 3582 char* ret_val = NULL; | |
| 3583 | |
| 3584 while(pl != NULL) { | |
| 3585 if(count >= index) { | |
| 3586 ret_val = pl->value(); | |
| 3587 break; | |
| 3588 } | |
| 3589 count++; | |
| 3590 pl = pl->next(); | |
| 3591 } | |
| 3592 | |
| 3593 return ret_val; | |
| 3594 } | |
| 3595 | |
| 3596 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 3597 SystemProperty* p = *plist; | |
| 3598 if (p == NULL) { | |
| 3599 *plist = new_p; | |
| 3600 } else { | |
| 3601 while (p->next() != NULL) { | |
| 3602 p = p->next(); | |
| 3603 } | |
| 3604 p->set_next(new_p); | |
| 3605 } | |
| 3606 } | |
| 3607 | |
| 3608 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 3609 if (plist == NULL) | |
| 3610 return; | |
| 3611 | |
| 3612 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 3613 PropertyList_add(plist, new_p); | |
| 3614 } | |
| 3615 | |
| 3616 // This add maintains unique property key in the list. | |
| 691 | 3617 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 3618 if (plist == NULL) |
| 3619 return; | |
| 3620 | |
| 3621 // If property key exist then update with new value. | |
| 3622 SystemProperty* prop; | |
| 3623 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 3624 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 3625 if (append) { |
| 3626 prop->append_value(v); | |
| 3627 } else { | |
| 3628 prop->set_value(v); | |
| 3629 } | |
| 0 | 3630 return; |
| 3631 } | |
| 3632 } | |
| 3633 | |
| 3634 PropertyList_add(plist, k, v); | |
| 3635 } | |
| 3636 | |
| 3637 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 3638 // Returns true if all of the source pointed by src has been copied over to | |
| 3639 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 3640 // Notes: | |
| 3641 // 1. If the length (buflen) of the destination buffer excluding the | |
| 3642 // NULL terminator character is not long enough for holding the expanded | |
| 3643 // pid characters, it also returns false instead of returning the partially | |
| 3644 // expanded one. | |
| 3645 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 3646 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 3647 char* buf, size_t buflen) { | |
| 3648 const char* p = src; | |
| 3649 char* b = buf; | |
| 3650 const char* src_end = &src[srclen]; | |
| 3651 char* buf_end = &buf[buflen - 1]; | |
| 3652 | |
| 3653 while (p < src_end && b < buf_end) { | |
| 3654 if (*p == '%') { | |
| 3655 switch (*(++p)) { | |
| 3656 case '%': // "%%" ==> "%" | |
| 3657 *b++ = *p++; | |
| 3658 break; | |
| 3659 case 'p': { // "%p" ==> current process id | |
| 3660 // buf_end points to the character before the last character so | |
| 3661 // that we could write '\0' to the end of the buffer. | |
| 3662 size_t buf_sz = buf_end - b + 1; | |
| 3663 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 3664 | |
| 3665 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 3666 // the expanded pid, returns false. | |
| 3667 if (ret < 0 || ret >= (int)buf_sz) { | |
| 3668 return false; | |
| 3669 } else { | |
| 3670 b += ret; | |
| 3671 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 3672 if (p == src_end && b == buf_end + 1) { | |
| 3673 // reach the end of the buffer. | |
| 3674 return true; | |
| 3675 } | |
| 3676 } | |
| 3677 p++; | |
| 3678 break; | |
| 3679 } | |
| 3680 default : | |
| 3681 *b++ = '%'; | |
| 3682 } | |
| 3683 } else { | |
| 3684 *b++ = *p++; | |
| 3685 } | |
| 3686 } | |
| 3687 *b = '\0'; | |
| 3688 return (p == src_end); // return false if not all of the source was copied | |
| 3689 } |