Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 12252:06ae47d9d088
Merge
| author | tschatzl |
|---|---|
| date | Thu, 19 Sep 2013 09:26:08 +0200 |
| parents | 621eda7235d2 40136aa2cdb1 |
| children | da051ce490eb |
| 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" | |
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31 #include "memory/genCollectedHeap.hpp" |
| 1972 | 32 #include "memory/referenceProcessor.hpp" |
| 33 #include "memory/universe.inline.hpp" | |
| 34 #include "oops/oop.inline.hpp" | |
| 35 #include "prims/jvmtiExport.hpp" | |
| 36 #include "runtime/arguments.hpp" | |
| 37 #include "runtime/globals_extension.hpp" | |
| 38 #include "runtime/java.hpp" | |
| 39 #include "services/management.hpp" | |
| 6197 | 40 #include "services/memTracker.hpp" |
| 1972 | 41 #include "utilities/defaultStream.hpp" |
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42 #include "utilities/macros.hpp" |
| 1972 | 43 #include "utilities/taskqueue.hpp" |
| 44 #ifdef TARGET_OS_FAMILY_linux | |
| 45 # include "os_linux.inline.hpp" | |
| 46 #endif | |
| 47 #ifdef TARGET_OS_FAMILY_solaris | |
| 48 # include "os_solaris.inline.hpp" | |
| 49 #endif | |
| 50 #ifdef TARGET_OS_FAMILY_windows | |
| 51 # include "os_windows.inline.hpp" | |
| 52 #endif | |
| 3960 | 53 #ifdef TARGET_OS_FAMILY_bsd |
| 54 # include "os_bsd.inline.hpp" | |
| 55 #endif | |
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56 #if INCLUDE_ALL_GCS |
| 1972 | 57 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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58 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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59 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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60 #endif // INCLUDE_ALL_GCS |
| 0 | 61 |
| 2474 | 62 // Note: This is a special bug reporting site for the JVM |
| 63 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
| 0 | 64 #define DEFAULT_JAVA_LAUNCHER "generic" |
| 65 | |
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66 // Disable options not supported in this release, with a warning if they |
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67 // were explicitly requested on the command-line |
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68 #define UNSUPPORTED_OPTION(opt, description) \ |
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69 do { \ |
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70 if (opt) { \ |
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71 if (FLAG_IS_CMDLINE(opt)) { \ |
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72 warning(description " is disabled in this release."); \ |
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73 } \ |
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74 FLAG_SET_DEFAULT(opt, false); \ |
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75 } \ |
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76 } while(0) |
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77 |
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78 #define UNSUPPORTED_GC_OPTION(gc) \ |
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79 do { \ |
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80 if (gc) { \ |
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81 if (FLAG_IS_CMDLINE(gc)) { \ |
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82 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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83 } \ |
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84 FLAG_SET_DEFAULT(gc, false); \ |
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85 } \ |
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86 } while(0) |
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87 |
| 0 | 88 char** Arguments::_jvm_flags_array = NULL; |
| 89 int Arguments::_num_jvm_flags = 0; | |
| 90 char** Arguments::_jvm_args_array = NULL; | |
| 91 int Arguments::_num_jvm_args = 0; | |
| 92 char* Arguments::_java_command = NULL; | |
| 93 SystemProperty* Arguments::_system_properties = NULL; | |
| 94 const char* Arguments::_gc_log_filename = NULL; | |
| 95 bool Arguments::_has_profile = false; | |
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96 size_t Arguments::_conservative_max_heap_alignment = 0; |
| 0 | 97 uintx Arguments::_min_heap_size = 0; |
| 98 Arguments::Mode Arguments::_mode = _mixed; | |
| 99 bool Arguments::_java_compiler = false; | |
| 100 bool Arguments::_xdebug_mode = false; | |
| 101 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
| 102 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
| 103 int Arguments::_sun_java_launcher_pid = -1; | |
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104 bool Arguments::_created_by_gamma_launcher = false; |
| 0 | 105 |
| 106 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
| 107 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 108 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 109 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 110 bool Arguments::_ClipInlining = ClipInlining; | |
| 111 | |
| 112 char* Arguments::SharedArchivePath = NULL; | |
| 113 | |
| 114 AgentLibraryList Arguments::_libraryList; | |
| 115 AgentLibraryList Arguments::_agentList; | |
| 116 | |
| 117 abort_hook_t Arguments::_abort_hook = NULL; | |
| 118 exit_hook_t Arguments::_exit_hook = NULL; | |
| 119 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
| 120 | |
| 121 | |
| 122 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
| 123 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
| 124 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
| 125 SystemProperty *Arguments::_java_library_path = NULL; | |
| 126 SystemProperty *Arguments::_java_home = NULL; | |
| 127 SystemProperty *Arguments::_java_class_path = NULL; | |
| 128 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
| 129 | |
| 130 char* Arguments::_meta_index_path = NULL; | |
| 131 char* Arguments::_meta_index_dir = NULL; | |
| 132 | |
| 133 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
| 134 | |
| 135 static bool match_option(const JavaVMOption *option, const char* name, | |
| 136 const char** tail) { | |
| 137 int len = (int)strlen(name); | |
| 138 if (strncmp(option->optionString, name, len) == 0) { | |
| 139 *tail = option->optionString + len; | |
| 140 return true; | |
| 141 } else { | |
| 142 return false; | |
| 143 } | |
| 144 } | |
| 145 | |
| 146 static void logOption(const char* opt) { | |
| 147 if (PrintVMOptions) { | |
| 148 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 // Process java launcher properties. | |
| 153 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
| 154 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
| 155 // Must do this before setting up other system properties, | |
| 156 // as some of them may depend on launcher type. | |
| 157 for (int index = 0; index < args->nOptions; index++) { | |
| 158 const JavaVMOption* option = args->options + index; | |
| 159 const char* tail; | |
| 160 | |
| 161 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
| 162 process_java_launcher_argument(tail, option->extraInfo); | |
| 163 continue; | |
| 164 } | |
| 165 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
| 166 _sun_java_launcher_pid = atoi(tail); | |
| 167 continue; | |
| 168 } | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 // Initialize system properties key and value. | |
| 173 void Arguments::init_system_properties() { | |
| 174 | |
| 175 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
| 176 "Java Virtual Machine Specification", false)); | |
| 177 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
| 178 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
| 179 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
| 180 | |
| 181 // following are JVMTI agent writeable properties. | |
| 182 // Properties values are set to NULL and they are | |
| 183 // os specific they are initialized in os::init_system_properties_values(). | |
| 184 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
| 185 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
| 186 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
| 187 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
| 188 _java_home = new SystemProperty("java.home", NULL, true); | |
| 189 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
| 190 | |
| 191 _java_class_path = new SystemProperty("java.class.path", "", true); | |
| 192 | |
| 193 // Add to System Property list. | |
| 194 PropertyList_add(&_system_properties, _java_ext_dirs); | |
| 195 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
| 196 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
| 197 PropertyList_add(&_system_properties, _java_library_path); | |
| 198 PropertyList_add(&_system_properties, _java_home); | |
| 199 PropertyList_add(&_system_properties, _java_class_path); | |
| 200 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
| 201 | |
| 202 // Set OS specific system properties values | |
| 203 os::init_system_properties_values(); | |
| 204 } | |
| 205 | |
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206 |
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207 // Update/Initialize System properties after JDK version number is known |
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208 void Arguments::init_version_specific_system_properties() { |
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209 enum { bufsz = 16 }; |
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210 char buffer[bufsz]; |
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211 const char* spec_vendor = "Sun Microsystems Inc."; |
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212 uint32_t spec_version = 0; |
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213 |
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214 if (JDK_Version::is_gte_jdk17x_version()) { |
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215 spec_vendor = "Oracle Corporation"; |
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216 spec_version = JDK_Version::current().major_version(); |
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217 } |
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218 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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219 |
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220 PropertyList_add(&_system_properties, |
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221 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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222 PropertyList_add(&_system_properties, |
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223 new SystemProperty("java.vm.specification.version", buffer, false)); |
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224 PropertyList_add(&_system_properties, |
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225 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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226 } |
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227 |
| 242 | 228 /** |
| 229 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
| 230 * When a flag is eliminated, it can be added to this list in order to | |
| 231 * continue accepting this flag on the command-line, while issuing a warning | |
| 232 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
| 233 * limit, we flatly refuse to admit the existence of the flag. This allows | |
| 234 * a flag to die correctly over JDK releases using HSX. | |
| 235 */ | |
| 236 typedef struct { | |
| 237 const char* name; | |
| 238 JDK_Version obsoleted_in; // when the flag went away | |
| 239 JDK_Version accept_until; // which version to start denying the existence | |
| 240 } ObsoleteFlag; | |
| 0 | 241 |
| 242 | 242 static ObsoleteFlag obsolete_jvm_flags[] = { |
| 243 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 244 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 245 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 246 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 247 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 248 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 249 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 250 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 251 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 252 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 253 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 254 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 255 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 256 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
| 1064 | 257 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
| 258 { "DefaultInitialRAMFraction", | |
| 259 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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260 { "UseDepthFirstScavengeOrder", |
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261 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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262 { "HandlePromotionFailure", |
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263 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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264 { "MaxLiveObjectEvacuationRatio", |
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265 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
|
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266 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
|
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267 { "UseParallelOldGCCompacting", |
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268 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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269 { "UseParallelDensePrefixUpdate", |
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270 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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271 { "UseParallelOldGCDensePrefix", |
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272 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
| 2460 | 273 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
|
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274 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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275 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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276 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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277 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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278 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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279 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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280 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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281 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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282 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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283 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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284 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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285 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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286 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 6916 | 287 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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288 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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289 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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290 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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292 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 #ifdef PRODUCT |
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294 { "DesiredMethodLimit", |
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295 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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296 #endif // PRODUCT |
| 242 | 297 { NULL, JDK_Version(0), JDK_Version(0) } |
| 298 }; | |
| 299 | |
| 300 // Returns true if the flag is obsolete and fits into the range specified | |
| 301 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 302 // value is filled in with the version number when the flag became | |
| 303 // obsolete so that that value can be displayed to the user. | |
| 304 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 305 int i = 0; |
| 242 | 306 assert(version != NULL, "Must provide a version buffer"); |
| 307 while (obsolete_jvm_flags[i].name != NULL) { | |
| 308 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 309 // <flag>=xxx form |
| 310 // [-|+]<flag> form | |
| 242 | 311 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 312 ((s[0] == '+' || s[0] == '-') && |
| 242 | 313 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 314 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 315 *version = flag_status.obsoleted_in; | |
| 316 return true; | |
| 317 } | |
| 0 | 318 } |
| 319 i++; | |
| 320 } | |
| 321 return false; | |
| 322 } | |
| 323 | |
| 324 // Constructs the system class path (aka boot class path) from the following | |
| 325 // components, in order: | |
| 326 // | |
| 327 // prefix // from -Xbootclasspath/p:... | |
| 328 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 329 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 330 // suffix // from -Xbootclasspath/a:... | |
| 331 // | |
| 332 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 333 // directories are added to the sysclasspath just before the base. | |
| 334 // | |
| 335 // This could be AllStatic, but it isn't needed after argument processing is | |
| 336 // complete. | |
| 337 class SysClassPath: public StackObj { | |
| 338 public: | |
| 339 SysClassPath(const char* base); | |
| 340 ~SysClassPath(); | |
| 341 | |
| 342 inline void set_base(const char* base); | |
| 343 inline void add_prefix(const char* prefix); | |
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344 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 345 inline void add_suffix(const char* suffix); |
| 346 inline void reset_path(const char* base); | |
| 347 | |
| 348 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 349 // property. Must be called after all command-line arguments have been | |
| 350 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 351 // combined_path(). | |
| 352 void expand_endorsed(); | |
| 353 | |
| 354 inline const char* get_base() const { return _items[_scp_base]; } | |
| 355 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 356 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 357 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 358 | |
| 359 // Combine all the components into a single c-heap-allocated string; caller | |
| 360 // must free the string if/when no longer needed. | |
| 361 char* combined_path(); | |
| 362 | |
| 363 private: | |
| 364 // Utility routines. | |
| 365 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 366 static char* add_jars_to_path(char* path, const char* directory); | |
| 367 | |
| 368 inline void reset_item_at(int index); | |
| 369 | |
| 370 // Array indices for the items that make up the sysclasspath. All except the | |
| 371 // base are allocated in the C heap and freed by this class. | |
| 372 enum { | |
| 373 _scp_prefix, // from -Xbootclasspath/p:... | |
| 374 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 375 _scp_base, // the default sysclasspath | |
| 376 _scp_suffix, // from -Xbootclasspath/a:... | |
| 377 _scp_nitems // the number of items, must be last. | |
| 378 }; | |
| 379 | |
| 380 const char* _items[_scp_nitems]; | |
| 381 DEBUG_ONLY(bool _expansion_done;) | |
| 382 }; | |
| 383 | |
| 384 SysClassPath::SysClassPath(const char* base) { | |
| 385 memset(_items, 0, sizeof(_items)); | |
| 386 _items[_scp_base] = base; | |
| 387 DEBUG_ONLY(_expansion_done = false;) | |
| 388 } | |
| 389 | |
| 390 SysClassPath::~SysClassPath() { | |
| 391 // Free everything except the base. | |
| 392 for (int i = 0; i < _scp_nitems; ++i) { | |
| 393 if (i != _scp_base) reset_item_at(i); | |
| 394 } | |
| 395 DEBUG_ONLY(_expansion_done = false;) | |
| 396 } | |
| 397 | |
| 398 inline void SysClassPath::set_base(const char* base) { | |
| 399 _items[_scp_base] = base; | |
| 400 } | |
| 401 | |
| 402 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 403 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 404 } | |
| 405 | |
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406 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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407 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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408 } |
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409 |
| 0 | 410 inline void SysClassPath::add_suffix(const char* suffix) { |
| 411 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 412 } | |
| 413 | |
| 414 inline void SysClassPath::reset_item_at(int index) { | |
| 415 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 416 if (_items[index] != NULL) { | |
| 6197 | 417 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 418 _items[index] = NULL; |
| 419 } | |
| 420 } | |
| 421 | |
| 422 inline void SysClassPath::reset_path(const char* base) { | |
| 423 // Clear the prefix and suffix. | |
| 424 reset_item_at(_scp_prefix); | |
| 425 reset_item_at(_scp_suffix); | |
| 426 set_base(base); | |
| 427 } | |
| 428 | |
| 429 //------------------------------------------------------------------------------ | |
| 430 | |
| 431 void SysClassPath::expand_endorsed() { | |
| 432 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 433 | |
| 434 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 435 if (path == NULL) { | |
| 436 path = Arguments::get_endorsed_dir(); | |
| 437 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 438 } | |
| 439 | |
| 440 char* expanded_path = NULL; | |
| 441 const char separator = *os::path_separator(); | |
| 442 const char* const end = path + strlen(path); | |
| 443 while (path < end) { | |
| 444 const char* tmp_end = strchr(path, separator); | |
| 445 if (tmp_end == NULL) { | |
| 446 expanded_path = add_jars_to_path(expanded_path, path); | |
| 447 path = end; | |
| 448 } else { | |
| 6197 | 449 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 450 memcpy(dirpath, path, tmp_end - path); |
| 451 dirpath[tmp_end - path] = '\0'; | |
| 452 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 453 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 454 path = tmp_end + 1; |
| 455 } | |
| 456 } | |
| 457 _items[_scp_endorsed] = expanded_path; | |
| 458 DEBUG_ONLY(_expansion_done = true;) | |
| 459 } | |
| 460 | |
| 461 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 462 // c-heap-allocated string. | |
| 463 char* SysClassPath::combined_path() { | |
| 464 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 465 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 466 | |
| 467 size_t lengths[_scp_nitems]; | |
| 468 size_t total_len = 0; | |
| 469 | |
| 470 const char separator = *os::path_separator(); | |
| 471 | |
| 472 // Get the lengths. | |
| 473 int i; | |
| 474 for (i = 0; i < _scp_nitems; ++i) { | |
| 475 if (_items[i] != NULL) { | |
| 476 lengths[i] = strlen(_items[i]); | |
| 477 // Include space for the separator char (or a NULL for the last item). | |
| 478 total_len += lengths[i] + 1; | |
| 479 } | |
| 480 } | |
| 481 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 482 | |
| 483 // Copy the _items to a single string. | |
| 6197 | 484 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 485 char* cp_tmp = cp; |
| 486 for (i = 0; i < _scp_nitems; ++i) { | |
| 487 if (_items[i] != NULL) { | |
| 488 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 489 cp_tmp += lengths[i]; | |
| 490 *cp_tmp++ = separator; | |
| 491 } | |
| 492 } | |
| 493 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 494 return cp; | |
| 495 } | |
| 496 | |
| 497 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 498 char* | |
| 499 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 500 char *cp; | |
| 501 | |
| 502 assert(str != NULL, "just checking"); | |
| 503 if (path == NULL) { | |
| 504 size_t len = strlen(str) + 1; | |
| 6197 | 505 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 506 memcpy(cp, str, len); // copy the trailing null |
| 507 } else { | |
| 508 const char separator = *os::path_separator(); | |
| 509 size_t old_len = strlen(path); | |
| 510 size_t str_len = strlen(str); | |
| 511 size_t len = old_len + str_len + 2; | |
| 512 | |
| 513 if (prepend) { | |
| 6197 | 514 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 515 char* cp_tmp = cp; |
| 516 memcpy(cp_tmp, str, str_len); | |
| 517 cp_tmp += str_len; | |
| 518 *cp_tmp = separator; | |
| 519 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 520 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 521 } else { |
| 6197 | 522 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 523 char* cp_tmp = cp + old_len; |
| 524 *cp_tmp = separator; | |
| 525 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 526 } | |
| 527 } | |
| 528 return cp; | |
| 529 } | |
| 530 | |
| 531 // Scan the directory and append any jar or zip files found to path. | |
| 532 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 533 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 534 DIR* dir = os::opendir(directory); | |
| 535 if (dir == NULL) return path; | |
| 536 | |
| 537 char dir_sep[2] = { '\0', '\0' }; | |
| 538 size_t directory_len = strlen(directory); | |
| 539 const char fileSep = *os::file_separator(); | |
| 540 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 541 | |
| 542 /* Scan the directory for jars/zips, appending them to path. */ | |
| 543 struct dirent *entry; | |
| 6197 | 544 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 545 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 546 const char* name = entry->d_name; | |
| 547 const char* ext = name + strlen(name) - 4; | |
| 548 bool isJarOrZip = ext > name && | |
| 549 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 550 os::file_name_strcmp(ext, ".zip") == 0); | |
| 551 if (isJarOrZip) { | |
| 6197 | 552 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 553 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 554 path = add_to_path(path, jarpath, false); | |
| 6197 | 555 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 556 } |
| 557 } | |
| 6197 | 558 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 559 os::closedir(dir); |
| 560 return path; | |
| 561 } | |
| 562 | |
| 563 // Parses a memory size specification string. | |
|
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564 static bool atomull(const char *s, julong* result) { |
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565 julong n = 0; |
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566 int args_read = sscanf(s, JULONG_FORMAT, &n); |
| 0 | 567 if (args_read != 1) { |
| 568 return false; | |
| 569 } | |
| 570 while (*s != '\0' && isdigit(*s)) { | |
| 571 s++; | |
| 572 } | |
| 573 // 4705540: illegal if more characters are found after the first non-digit | |
| 574 if (strlen(s) > 1) { | |
| 575 return false; | |
| 576 } | |
| 577 switch (*s) { | |
| 578 case 'T': case 't': | |
| 579 *result = n * G * K; | |
|
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580 // Check for overflow. |
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581 if (*result/((julong)G * K) != n) return false; |
| 0 | 582 return true; |
| 583 case 'G': case 'g': | |
| 584 *result = n * G; | |
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585 if (*result/G != n) return false; |
| 0 | 586 return true; |
| 587 case 'M': case 'm': | |
| 588 *result = n * M; | |
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489
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589 if (*result/M != n) return false; |
| 0 | 590 return true; |
| 591 case 'K': case 'k': | |
| 592 *result = n * K; | |
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489
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593 if (*result/K != n) return false; |
| 0 | 594 return true; |
| 595 case '\0': | |
| 596 *result = n; | |
| 597 return true; | |
| 598 default: | |
| 599 return false; | |
| 600 } | |
| 601 } | |
| 602 | |
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603 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 604 if (size < min_size) return arg_too_small; |
| 605 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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606 if (size > max_uintx) return arg_too_big; |
| 0 | 607 return arg_in_range; |
| 608 } | |
| 609 | |
| 610 // Describe an argument out of range error | |
| 611 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 612 switch(errcode) { | |
| 613 case arg_too_big: | |
| 614 jio_fprintf(defaultStream::error_stream(), | |
| 615 "The specified size exceeds the maximum " | |
| 616 "representable size.\n"); | |
| 617 break; | |
| 618 case arg_too_small: | |
| 619 case arg_unreadable: | |
| 620 case arg_in_range: | |
| 621 // do nothing for now | |
| 622 break; | |
| 623 default: | |
| 624 ShouldNotReachHere(); | |
| 625 } | |
| 626 } | |
| 627 | |
| 628 static bool set_bool_flag(char* name, bool value, FlagValueOrigin origin) { | |
| 629 return CommandLineFlags::boolAtPut(name, &value, origin); | |
| 630 } | |
| 631 | |
| 632 static bool set_fp_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
| 633 double v; | |
| 634 if (sscanf(value, "%lf", &v) != 1) { | |
| 635 return false; | |
| 636 } | |
| 637 | |
| 638 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 639 return true; | |
| 640 } | |
| 641 return false; | |
| 642 } | |
| 643 | |
| 644 static bool set_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
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645 julong v; |
| 0 | 646 intx intx_v; |
| 647 bool is_neg = false; | |
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648 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 649 if (*value == '-') { |
| 650 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 651 return false; | |
| 652 } | |
| 653 value++; | |
| 654 is_neg = true; | |
| 655 } | |
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656 if (!atomull(value, &v)) { |
| 0 | 657 return false; |
| 658 } | |
| 659 intx_v = (intx) v; | |
| 660 if (is_neg) { | |
| 661 intx_v = -intx_v; | |
| 662 } | |
| 663 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 664 return true; | |
| 665 } | |
| 666 uintx uintx_v = (uintx) v; | |
| 667 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 668 return true; | |
| 669 } | |
| 1064 | 670 uint64_t uint64_t_v = (uint64_t) v; |
| 671 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 672 return true; | |
| 673 } | |
| 0 | 674 return false; |
| 675 } | |
| 676 | |
| 677 static bool set_string_flag(char* name, const char* value, FlagValueOrigin origin) { | |
| 678 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; | |
| 679 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 680 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 681 return true; |
| 682 } | |
| 683 | |
| 684 static bool append_to_string_flag(char* name, const char* new_value, FlagValueOrigin origin) { | |
| 685 const char* old_value = ""; | |
| 686 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 687 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 688 size_t new_len = strlen(new_value); | |
| 689 const char* value; | |
| 690 char* free_this_too = NULL; | |
| 691 if (old_len == 0) { | |
| 692 value = new_value; | |
| 693 } else if (new_len == 0) { | |
| 694 value = old_value; | |
| 695 } else { | |
| 6197 | 696 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 697 // each new setting adds another LINE to the switch: |
| 698 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 699 value = buf; | |
| 700 free_this_too = buf; | |
| 701 } | |
| 702 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 703 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 704 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 705 if (free_this_too != NULL) { |
| 706 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 707 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 708 } |
| 709 return true; | |
| 710 } | |
| 711 | |
| 712 bool Arguments::parse_argument(const char* arg, FlagValueOrigin origin) { | |
| 713 | |
| 714 // range of acceptable characters spelled out for portability reasons | |
| 715 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 716 #define BUFLEN 255 | |
| 717 char name[BUFLEN+1]; | |
| 718 char dummy; | |
| 719 | |
| 720 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 721 return set_bool_flag(name, false, origin); | |
| 722 } | |
| 723 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 724 return set_bool_flag(name, true, origin); | |
| 725 } | |
| 726 | |
| 727 char punct; | |
| 728 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 729 const char* value = strchr(arg, '=') + 1; | |
| 730 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 731 if (flag != NULL && flag->is_ccstr()) { | |
| 732 if (flag->ccstr_accumulates()) { | |
| 733 return append_to_string_flag(name, value, origin); | |
| 734 } else { | |
| 735 if (value[0] == '\0') { | |
| 736 value = NULL; | |
| 737 } | |
| 738 return set_string_flag(name, value, origin); | |
| 739 } | |
| 740 } | |
| 741 } | |
| 742 | |
| 743 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 744 const char* value = strchr(arg, '=') + 1; | |
| 745 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 746 if (value[0] == '\0') { | |
| 747 value = NULL; | |
| 748 } | |
| 749 return set_string_flag(name, value, origin); | |
| 750 } | |
| 751 | |
| 752 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 753 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 754 #define NUMBER_RANGE "[0123456789]" | |
| 755 char value[BUFLEN + 1]; | |
| 756 char value2[BUFLEN + 1]; | |
| 757 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 758 // Looks like a floating-point number -- try again with more lenient format string | |
| 759 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 760 return set_fp_numeric_flag(name, value, origin); | |
| 761 } | |
| 762 } | |
| 763 | |
| 764 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 765 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 766 return set_numeric_flag(name, value, origin); | |
| 767 } | |
| 768 | |
| 769 return false; | |
| 770 } | |
| 771 | |
| 772 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 773 assert(bldarray != NULL, "illegal argument"); | |
| 774 | |
| 775 if (arg == NULL) { | |
| 776 return; | |
| 777 } | |
| 778 | |
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779 int new_count = *count + 1; |
| 0 | 780 |
| 781 // expand the array and add arg to the last element | |
| 782 if (*bldarray == NULL) { | |
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783 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
| 0 | 784 } else { |
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785 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
| 0 | 786 } |
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787 (*bldarray)[*count] = strdup(arg); |
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788 *count = new_count; |
| 0 | 789 } |
| 790 | |
| 791 void Arguments::build_jvm_args(const char* arg) { | |
| 792 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 793 } | |
| 794 | |
| 795 void Arguments::build_jvm_flags(const char* arg) { | |
| 796 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 797 } | |
| 798 | |
| 799 // utility function to return a string that concatenates all | |
| 800 // strings in a given char** array | |
| 801 const char* Arguments::build_resource_string(char** args, int count) { | |
| 802 if (args == NULL || count == 0) { | |
| 803 return NULL; | |
| 804 } | |
| 805 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 806 for (int i = 1; i < count; i++) { | |
| 807 length += strlen(args[i]) + 1; // add 1 for a space | |
| 808 } | |
| 809 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 810 strcpy(s, args[0]); | |
| 811 for (int j = 1; j < count; j++) { | |
| 812 strcat(s, " "); | |
| 813 strcat(s, args[j]); | |
| 814 } | |
| 815 return (const char*) s; | |
| 816 } | |
| 817 | |
| 818 void Arguments::print_on(outputStream* st) { | |
| 819 st->print_cr("VM Arguments:"); | |
| 820 if (num_jvm_flags() > 0) { | |
| 821 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 822 } | |
| 823 if (num_jvm_args() > 0) { | |
| 824 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 825 } | |
| 826 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
|
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827 if (_java_class_path != NULL) { |
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828 char* path = _java_class_path->value(); |
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829 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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830 } |
| 0 | 831 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 832 } | |
| 833 | |
| 834 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 835 if (_num_jvm_flags > 0) { | |
| 836 for (int i=0; i < _num_jvm_flags; i++) { | |
| 837 st->print("%s ", _jvm_flags_array[i]); | |
| 838 } | |
| 839 st->print_cr(""); | |
| 840 } | |
| 841 } | |
| 842 | |
| 843 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 844 if (_num_jvm_args > 0) { | |
| 845 for (int i=0; i < _num_jvm_args; i++) { | |
| 846 st->print("%s ", _jvm_args_array[i]); | |
| 847 } | |
| 848 st->print_cr(""); | |
| 849 } | |
| 850 } | |
| 851 | |
| 242 | 852 bool Arguments::process_argument(const char* arg, |
| 853 jboolean ignore_unrecognized, FlagValueOrigin origin) { | |
| 854 | |
| 855 JDK_Version since = JDK_Version(); | |
| 0 | 856 |
| 3250 | 857 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 858 return true; | |
| 0 | 859 } |
| 3250 | 860 |
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861 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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862 const char* const argname = has_plus_minus ? arg + 1 : arg; |
| 3250 | 863 if (is_newly_obsolete(arg, &since)) { |
| 864 char version[256]; | |
| 865 since.to_string(version, sizeof(version)); | |
| 866 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 867 return true; | |
| 868 } | |
| 869 | |
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870 // For locked flags, report a custom error message if available. |
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871 // Otherwise, report the standard unrecognized VM option. |
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872 |
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873 size_t arg_len; |
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874 const char* equal_sign = strchr(argname, '='); |
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875 if (equal_sign == NULL) { |
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876 arg_len = strlen(argname); |
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877 } else { |
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878 arg_len = equal_sign - argname; |
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879 } |
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880 |
| 11070 | 881 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true); |
|
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882 if (found_flag != NULL) { |
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883 char locked_message_buf[BUFLEN]; |
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884 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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885 if (strlen(locked_message_buf) == 0) { |
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886 if (found_flag->is_bool() && !has_plus_minus) { |
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887 jio_fprintf(defaultStream::error_stream(), |
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888 "Missing +/- setting for VM option '%s'\n", argname); |
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889 } else if (!found_flag->is_bool() && has_plus_minus) { |
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890 jio_fprintf(defaultStream::error_stream(), |
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891 "Unexpected +/- setting in VM option '%s'\n", argname); |
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892 } else { |
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893 jio_fprintf(defaultStream::error_stream(), |
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894 "Improperly specified VM option '%s'\n", argname); |
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895 } |
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896 } else { |
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897 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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898 } |
| 6017 | 899 } else { |
| 900 jio_fprintf(defaultStream::error_stream(), | |
| 901 "Unrecognized VM option '%s'\n", argname); | |
| 11070 | 902 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
| 903 if (fuzzy_matched != NULL) { | |
| 904 jio_fprintf(defaultStream::error_stream(), | |
| 905 "Did you mean '%s%s%s'?\n", | |
| 906 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
| 907 fuzzy_matched->name, | |
| 908 (fuzzy_matched->is_bool()) ? "" : "=<value>"); | |
| 909 } | |
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910 } |
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911 |
| 3250 | 912 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 913 return arg[0] == '#'; | |
| 0 | 914 } |
| 915 | |
| 916 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 917 FILE* stream = fopen(file_name, "rb"); | |
| 918 if (stream == NULL) { | |
| 919 if (should_exist) { | |
| 920 jio_fprintf(defaultStream::error_stream(), | |
| 921 "Could not open settings file %s\n", file_name); | |
| 922 return false; | |
| 923 } else { | |
| 924 return true; | |
| 925 } | |
| 926 } | |
| 927 | |
| 928 char token[1024]; | |
| 929 int pos = 0; | |
| 930 | |
| 931 bool in_white_space = true; | |
| 932 bool in_comment = false; | |
| 933 bool in_quote = false; | |
| 934 char quote_c = 0; | |
| 935 bool result = true; | |
| 936 | |
| 937 int c = getc(stream); | |
| 6901 | 938 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 939 if (in_white_space) { |
| 940 if (in_comment) { | |
| 941 if (c == '\n') in_comment = false; | |
| 942 } else { | |
| 943 if (c == '#') in_comment = true; | |
| 944 else if (!isspace(c)) { | |
| 945 in_white_space = false; | |
| 946 token[pos++] = c; | |
| 947 } | |
| 948 } | |
| 949 } else { | |
| 950 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 951 // token ends at newline, or at unquoted whitespace | |
| 952 // this allows a way to include spaces in string-valued options | |
| 953 token[pos] = '\0'; | |
| 954 logOption(token); | |
| 955 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 956 build_jvm_flags(token); | |
| 957 pos = 0; | |
| 958 in_white_space = true; | |
| 959 in_quote = false; | |
| 960 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 961 in_quote = true; | |
| 962 quote_c = c; | |
| 963 } else if (in_quote && (c == quote_c)) { | |
| 964 in_quote = false; | |
| 965 } else { | |
| 966 token[pos++] = c; | |
| 967 } | |
| 968 } | |
| 969 c = getc(stream); | |
| 970 } | |
| 971 if (pos > 0) { | |
| 972 token[pos] = '\0'; | |
| 973 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 974 build_jvm_flags(token); | |
| 975 } | |
| 976 fclose(stream); | |
| 977 return result; | |
| 978 } | |
| 979 | |
| 980 //============================================================================================================= | |
| 981 // Parsing of properties (-D) | |
| 982 | |
| 983 const char* Arguments::get_property(const char* key) { | |
| 984 return PropertyList_get_value(system_properties(), key); | |
| 985 } | |
| 986 | |
| 987 bool Arguments::add_property(const char* prop) { | |
| 988 const char* eq = strchr(prop, '='); | |
| 989 char* key; | |
| 990 // ns must be static--its address may be stored in a SystemProperty object. | |
| 991 const static char ns[1] = {0}; | |
| 992 char* value = (char *)ns; | |
| 993 | |
| 994 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 995 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 996 strncpy(key, prop, key_len); |
| 997 key[key_len] = '\0'; | |
| 998 | |
| 999 if (eq != NULL) { | |
| 1000 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 1001 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 1002 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 1003 } | |
| 1004 | |
| 1005 if (strcmp(key, "java.compiler") == 0) { | |
| 1006 process_java_compiler_argument(value); | |
| 1007 FreeHeap(key); | |
| 1008 if (eq != NULL) { | |
| 1009 FreeHeap(value); | |
| 1010 } | |
| 1011 return true; | |
| 691 | 1012 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 1013 _java_command = value; |
| 1014 | |
|
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1015 // Record value in Arguments, but let it get passed to Java. |
| 691 | 1016 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 0 | 1017 // launcher.pid property is private and is processed |
| 1018 // in process_sun_java_launcher_properties(); | |
| 1019 // the sun.java.launcher property is passed on to the java application | |
| 1020 FreeHeap(key); | |
| 1021 if (eq != NULL) { | |
| 1022 FreeHeap(value); | |
| 1023 } | |
| 1024 return true; | |
| 691 | 1025 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 1026 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 1027 // its value without going through the property list or making a Java call. | |
| 1028 _java_vendor_url_bug = value; | |
| 691 | 1029 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 1030 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 1031 return true; | |
| 0 | 1032 } |
| 1033 // Create new property and add at the end of the list | |
| 1034 PropertyList_unique_add(&_system_properties, key, value); | |
| 1035 return true; | |
| 1036 } | |
| 1037 | |
| 1038 //=========================================================================================================== | |
| 1039 // Setting int/mixed/comp mode flags | |
| 1040 | |
| 1041 void Arguments::set_mode_flags(Mode mode) { | |
| 1042 // Set up default values for all flags. | |
| 1043 // If you add a flag to any of the branches below, | |
| 1044 // add a default value for it here. | |
| 1045 set_java_compiler(false); | |
| 1046 _mode = mode; | |
| 1047 | |
| 1048 // Ensure Agent_OnLoad has the correct initial values. | |
| 1049 // This may not be the final mode; mode may change later in onload phase. | |
| 1050 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
|
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1051 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1052 |
| 1053 UseInterpreter = true; | |
| 1054 UseCompiler = true; | |
| 1055 UseLoopCounter = true; | |
| 1056 | |
|
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1057 #ifndef ZERO |
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1058 // Turn these off for mixed and comp. Leave them on for Zero. |
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1059 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
|
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1060 UseFastAccessorMethods = (mode == _int); |
|
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1061 } |
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1062 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1063 UseFastEmptyMethods = (mode == _int); |
|
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1064 } |
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1065 #endif |
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1066 |
| 0 | 1067 // Default values may be platform/compiler dependent - |
| 1068 // use the saved values | |
| 1069 ClipInlining = Arguments::_ClipInlining; | |
| 1070 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1071 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1072 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1073 | |
| 1074 // Change from defaults based on mode | |
| 1075 switch (mode) { | |
| 1076 default: | |
| 1077 ShouldNotReachHere(); | |
| 1078 break; | |
| 1079 case _int: | |
| 1080 UseCompiler = false; | |
| 1081 UseLoopCounter = false; | |
| 1082 AlwaysCompileLoopMethods = false; | |
| 1083 UseOnStackReplacement = false; | |
| 1084 break; | |
| 1085 case _mixed: | |
| 1086 // same as default | |
| 1087 break; | |
| 1088 case _comp: | |
| 1089 UseInterpreter = false; | |
| 1090 BackgroundCompilation = false; | |
| 1091 ClipInlining = false; | |
|
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1092 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1093 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1094 // compile a level 4 (C2) and then continue executing it. |
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1095 if (TieredCompilation) { |
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1096 Tier3InvokeNotifyFreqLog = 0; |
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1097 Tier4InvocationThreshold = 0; |
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1098 } |
| 0 | 1099 break; |
| 1100 } | |
| 1101 } | |
| 1102 | |
| 1103 // Conflict: required to use shared spaces (-Xshare:on), but | |
| 1104 // incompatible command line options were chosen. | |
| 1105 | |
| 1106 static void no_shared_spaces() { | |
| 1107 if (RequireSharedSpaces) { | |
| 1108 jio_fprintf(defaultStream::error_stream(), | |
| 1109 "Class data sharing is inconsistent with other specified options.\n"); | |
| 1110 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
| 1111 } else { | |
| 1112 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1113 } | |
| 1114 } | |
| 1115 | |
| 1783 | 1116 void Arguments::set_tiered_flags() { |
|
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1117 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1118 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
|
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1119 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1120 } |
| 1121 if (CompilationPolicyChoice < 2) { | |
| 1122 vm_exit_during_initialization( | |
| 1123 "Incompatible compilation policy selected", NULL); | |
| 1124 } | |
|
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1125 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1126 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
|
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1127 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
| 1783 | 1128 } |
| 10278 | 1129 if (!UseInterpreter) { // -Xcomp |
| 1130 Tier3InvokeNotifyFreqLog = 0; | |
| 1131 Tier4InvocationThreshold = 0; | |
| 1132 } | |
| 1783 | 1133 } |
| 1134 | |
|
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1135 #if INCLUDE_ALL_GCS |
| 4838 | 1136 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1137 if (UseAdaptiveSizePolicy) { | |
| 1138 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1139 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1140 collector_name); | |
| 1141 } | |
| 1142 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1143 } | |
| 1144 } | |
| 1145 | |
| 0 | 1146 void Arguments::set_parnew_gc_flags() { |
| 1064 | 1147 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
|
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1148 "control point invariant"); |
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1149 assert(UseParNewGC, "Error"); |
| 0 | 1150 |
| 4838 | 1151 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1152 disable_adaptive_size_policy("UseParNewGC"); | |
|
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1153 |
|
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1154 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1155 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1156 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1157 } else if (ParallelGCThreads == 0) { |
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1158 jio_fprintf(defaultStream::error_stream(), |
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1159 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1160 vm_exit(1); |
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1161 } |
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1162 |
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1163 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1164 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1165 // we set them to 1024 and 1024. |
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1166 // See CR 6362902. |
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1167 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1168 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
| 0 | 1169 } |
|
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1170 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1171 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1172 } |
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1173 |
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1174 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1175 // See CR 6362902. |
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1176 if (AlwaysTenure) { |
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1177 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1178 } |
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1179 // When using compressed oops, we use local overflow stacks, |
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1180 // rather than using a global overflow list chained through |
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1181 // the klass word of the object's pre-image. |
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1182 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1183 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1184 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
| 0 | 1185 } |
|
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1186 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
| 0 | 1187 } |
|
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1188 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
| 0 | 1189 } |
| 1190 | |
| 1191 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1192 // sparc/solaris for certain applications, but would gain from | |
| 1193 // further optimization and tuning efforts, and would almost | |
| 1194 // certainly gain from analysis of platform and environment. | |
| 1195 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1196 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1197 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1198 |
| 0 | 1199 // If we are using CMS, we prefer to UseParNewGC, |
| 1200 // unless explicitly forbidden. | |
|
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1201 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1202 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1203 } |
| 1204 | |
|
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1205 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1206 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1207 |
| 1208 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1209 // as needed. | |
|
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1210 if (UseParNewGC) { |
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1211 set_parnew_gc_flags(); |
| 0 | 1212 } |
| 1213 | |
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1214 size_t max_heap = align_size_down(MaxHeapSize, |
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1215 CardTableRS::ct_max_alignment_constraint()); |
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1216 |
| 0 | 1217 // Now make adjustments for CMS |
|
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1218 intx tenuring_default = (intx)6; |
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1219 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1220 |
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1221 // Preferred young gen size for "short" pauses: |
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1222 // upper bound depends on # of threads and NewRatio. |
| 0 | 1223 const uintx parallel_gc_threads = |
| 1224 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1225 const size_t preferred_max_new_size_unaligned = | |
|
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1226 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1227 size_t preferred_max_new_size = |
| 0 | 1228 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1229 | |
| 1230 // Unless explicitly requested otherwise, size young gen | |
|
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1231 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1232 |
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1233 // If either MaxNewSize or NewRatio is set on the command line, |
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1234 // assume the user is trying to set the size of the young gen. |
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1235 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1236 |
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1237 // Set MaxNewSize to our calculated preferred_max_new_size unless |
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1238 // NewSize was set on the command line and it is larger than |
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1239 // preferred_max_new_size. |
| 0 | 1240 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1241 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1242 } else { |
|
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1243 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1244 } |
| 1064 | 1245 if (PrintGCDetails && Verbose) { |
|
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1246 // Too early to use gclog_or_tty |
|
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1247 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1248 } |
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1249 |
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1250 // Code along this path potentially sets NewSize and OldSize |
| 1064 | 1251 if (PrintGCDetails && Verbose) { |
|
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1252 // Too early to use gclog_or_tty |
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1253 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1254 " initial_heap_size: " SIZE_FORMAT |
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1255 " max_heap: " SIZE_FORMAT, |
| 1064 | 1256 min_heap_size(), InitialHeapSize, max_heap); |
|
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1257 } |
|
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1258 size_t min_new = preferred_max_new_size; |
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1259 if (FLAG_IS_CMDLINE(NewSize)) { |
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1260 min_new = NewSize; |
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1261 } |
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1262 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1263 // Unless explicitly requested otherwise, make young gen |
| 1264 // at least min_new, and at most preferred_max_new_size. | |
| 1265 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
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1266 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1267 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1268 if (PrintGCDetails && Verbose) { |
|
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1269 // Too early to use gclog_or_tty |
|
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1270 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
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1271 } |
| 0 | 1272 } |
| 1273 // Unless explicitly requested otherwise, size old gen | |
|
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1274 // so it's NewRatio x of NewSize. |
| 0 | 1275 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1276 if (max_heap > NewSize) { | |
|
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1277 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1278 if (PrintGCDetails && Verbose) { |
|
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1279 // Too early to use gclog_or_tty |
|
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1280 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1281 } |
| 0 | 1282 } |
| 1283 } | |
| 1284 } | |
| 1285 } | |
| 1286 // Unless explicitly requested otherwise, definitely | |
| 1287 // promote all objects surviving "tenuring_default" scavenges. | |
| 1288 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1289 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1290 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1291 } |
| 1292 // If we decided above (or user explicitly requested) | |
| 1293 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1294 // prefer minuscule survivor spaces so as not to waste | |
| 1295 // space for (non-existent) survivors | |
| 1296 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
| 8035 | 1297 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
| 0 | 1298 } |
| 1299 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1300 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1301 // This is done in order to make ParNew+CMS configuration to work | |
| 1302 // with YoungPLABSize and OldPLABSize options. | |
| 1303 // See CR 6362902. | |
| 1304 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1305 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
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1306 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1307 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
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1308 // the value (either from the command line or ergonomics) of |
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1309 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1310 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
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1311 } else { |
| 0 | 1312 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1313 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1314 // we'll let it to take precedence. | |
| 1315 jio_fprintf(defaultStream::error_stream(), | |
|
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1316 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1317 " options are specified for the CMS collector." |
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1318 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1319 } |
| 1320 } | |
|
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1321 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
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1322 // OldPLAB sizing manually turned off: Use a larger default setting, |
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1323 // unless it was manually specified. This is because a too-low value |
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1324 // will slow down scavenges. |
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1325 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1326 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1327 } |
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1328 } |
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1329 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1330 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
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1331 // If either of the static initialization defaults have changed, note this |
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1332 // modification. |
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1333 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
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1334 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
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1335 } |
| 1284 | 1336 if (PrintGCDetails && Verbose) { |
| 1337 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
| 1338 MarkStackSize / K, MarkStackSizeMax / K); | |
| 1339 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
| 1340 } | |
| 0 | 1341 } |
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1342 #endif // INCLUDE_ALL_GCS |
| 0 | 1343 |
|
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1344 void set_object_alignment() { |
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1345 // Object alignment. |
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1346 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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1347 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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1348 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
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1349 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
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1350 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
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1351 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
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1352 |
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1353 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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1354 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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1355 |
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1356 // Oop encoding heap max |
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1357 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
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1358 |
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1359 #if INCLUDE_ALL_GCS |
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1360 // Set CMS global values |
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1361 CompactibleFreeListSpace::set_cms_values(); |
|
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1362 #endif // INCLUDE_ALL_GCS |
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1363 } |
|
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1364 |
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1365 bool verify_object_alignment() { |
|
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1366 // Object alignment. |
|
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1367 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
|
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1368 jio_fprintf(defaultStream::error_stream(), |
|
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1369 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
|
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1370 (int)ObjectAlignmentInBytes); |
|
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1371 return false; |
|
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1372 } |
|
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1373 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
|
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1374 jio_fprintf(defaultStream::error_stream(), |
|
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1375 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
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1376 (int)ObjectAlignmentInBytes, BytesPerLong); |
|
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1377 return false; |
|
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1378 } |
|
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|
1379 // It does not make sense to have big object alignment |
|
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1380 // since a space lost due to alignment will be greater |
|
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1381 // then a saved space from compressed oops. |
|
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1382 if ((int)ObjectAlignmentInBytes > 256) { |
|
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1383 jio_fprintf(defaultStream::error_stream(), |
|
7461
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1384 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
|
1829
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1385 (int)ObjectAlignmentInBytes); |
|
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1386 return false; |
|
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|
1387 } |
|
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|
1388 // In case page size is very small. |
|
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1389 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
|
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|
1390 jio_fprintf(defaultStream::error_stream(), |
|
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1391 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
|
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1392 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
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1393 return false; |
|
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1394 } |
|
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1395 return true; |
|
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1396 } |
|
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1397 |
|
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1398 uintx Arguments::max_heap_for_compressed_oops() { |
| 1963 | 1399 // Avoid sign flip. |
|
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1400 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
|
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1401 // We need to fit both the NULL page and the heap into the memory budget, while |
|
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1402 // keeping alignment constraints of the heap. To guarantee the latter, as the |
|
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1403 // NULL page is located before the heap, we pad the NULL page to the conservative |
|
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1404 // maximum alignment that the GC may ever impose upon the heap. |
|
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|
1405 size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
|
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|
1406 Arguments::conservative_max_heap_alignment()); |
|
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1407 |
|
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1408 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
| 1064 | 1409 NOT_LP64(ShouldNotReachHere(); return 0); |
|
135
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1410 } |
|
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1411 |
| 0 | 1412 bool Arguments::should_auto_select_low_pause_collector() { |
| 1413 if (UseAutoGCSelectPolicy && | |
| 1414 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1415 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1416 if (PrintGCDetails) { | |
| 1417 // Cannot use gclog_or_tty yet. | |
| 1418 tty->print_cr("Automatic selection of the low pause collector" | |
| 1419 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
| 1420 } | |
| 1421 return true; | |
| 1422 } | |
| 1423 return false; | |
| 1424 } | |
| 1425 | |
|
8741
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|
1426 void Arguments::set_use_compressed_oops() { |
|
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|
1427 #ifndef ZERO |
|
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|
1428 #ifdef _LP64 |
|
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|
1429 // MaxHeapSize is not set up properly at this point, but |
|
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|
1430 // the only value that can override MaxHeapSize if we are |
|
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|
1431 // to use UseCompressedOops is InitialHeapSize. |
|
eac371996b44
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|
1432 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
|
eac371996b44
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|
1433 |
|
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|
1434 if (max_heap_size <= max_heap_for_compressed_oops()) { |
|
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|
1435 #if !defined(COMPILER1) || defined(TIERED) |
|
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|
1436 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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|
1437 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
|
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|
1438 } |
|
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|
1439 #endif |
|
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|
1440 #ifdef _WIN64 |
|
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|
1441 if (UseLargePages && UseCompressedOops) { |
|
eac371996b44
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|
1442 // Cannot allocate guard pages for implicit checks in indexed addressing |
|
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|
1443 // mode, when large pages are specified on windows. |
|
eac371996b44
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|
1444 // This flag could be switched ON if narrow oop base address is set to 0, |
|
eac371996b44
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|
1445 // see code in Universe::initialize_heap(). |
|
eac371996b44
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|
1446 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
eac371996b44
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|
1447 } |
|
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|
1448 #endif // _WIN64 |
|
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|
1449 } else { |
|
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|
1450 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
eac371996b44
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|
1451 warning("Max heap size too large for Compressed Oops"); |
|
eac371996b44
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|
1452 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
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|
1453 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
8741
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|
1454 } |
|
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|
1455 } |
|
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|
1456 #endif // _LP64 |
|
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|
1457 #endif // ZERO |
|
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|
1458 } |
|
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|
1459 |
|
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|
1460 |
|
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|
1461 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
|
740e263c80c6
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|
1462 // set_use_compressed_oops(). |
|
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8003424: Enable Class Data Sharing for CompressedOops
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|
1463 void Arguments::set_use_compressed_klass_ptrs() { |
|
740e263c80c6
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|
1464 #ifndef ZERO |
|
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|
1465 #ifdef _LP64 |
|
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|
1466 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
|
12056
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|
1467 if (!UseCompressedOops) { |
|
12226
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|
1468 if (UseCompressedClassPointers) { |
|
7944aba7ba41
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|
1469 warning("UseCompressedClassPointers requires UseCompressedOops"); |
|
12056
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|
1470 } |
|
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|
1471 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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|
1472 } else { |
|
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|
1473 // Turn on UseCompressedClassPointers too |
|
7944aba7ba41
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|
1474 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
|
7944aba7ba41
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|
1475 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
|
12056
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|
1476 } |
|
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|
1477 // Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
|
7944aba7ba41
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|
1478 if (UseCompressedClassPointers) { |
|
7944aba7ba41
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|
1479 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
|
7944aba7ba41
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|
1480 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
|
7944aba7ba41
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diff
changeset
|
1481 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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|
1482 } |
|
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|
1483 } |
|
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|
1484 } |
|
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|
1485 #endif // _LP64 |
|
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|
1486 #endif // !ZERO |
|
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|
1487 } |
|
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|
1488 |
|
12233
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|
1489 void Arguments::set_conservative_max_heap_alignment() { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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12226
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|
1490 // The conservative maximum required alignment for the heap is the maximum of |
|
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1491 // the alignments imposed by several sources: any requirements from the heap |
|
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1492 // itself, the collector policy and the maximum page size we may run the VM |
|
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1493 // with. |
|
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|
1494 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
|
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|
1495 #if INCLUDE_ALL_GCS |
|
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1496 if (UseParallelGC) { |
|
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|
1497 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
|
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1498 } else if (UseG1GC) { |
|
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1499 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
|
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1500 } |
|
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|
1501 #endif // INCLUDE_ALL_GCS |
|
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|
1502 _conservative_max_heap_alignment = MAX3(heap_alignment, os::max_page_size(), |
|
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|
1503 CollectorPolicy::compute_max_alignment()); |
|
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1504 } |
|
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|
1505 |
| 0 | 1506 void Arguments::set_ergonomics_flags() { |
| 1507 | |
| 4946 | 1508 if (os::is_server_class_machine()) { |
| 0 | 1509 // If no other collector is requested explicitly, |
| 1510 // let the VM select the collector based on | |
| 1511 // machine class and automatic selection policy. | |
| 1512 if (!UseSerialGC && | |
| 1513 !UseConcMarkSweepGC && | |
|
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|
1514 !UseG1GC && |
| 0 | 1515 !UseParNewGC && |
| 1516 FLAG_IS_DEFAULT(UseParallelGC)) { | |
| 1517 if (should_auto_select_low_pause_collector()) { | |
| 1518 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
| 1519 } else { | |
| 1520 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
| 1521 } | |
|
6725
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|
1522 } |
|
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|
1523 // Shared spaces work fine with other GCs but causes bytecode rewriting |
|
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1524 // to be disabled, which hurts interpreter performance and decreases |
|
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1525 // server performance. On server class machines, keep the default |
|
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1526 // off unless it is asked for. Future work: either add bytecode rewriting |
|
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|
1527 // at link time, or rewrite bytecodes in non-shared methods. |
|
12056
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|
1528 if (!DumpSharedSpaces && !RequireSharedSpaces && |
|
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|
1529 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
| 0 | 1530 no_shared_spaces(); |
| 1531 } | |
| 1532 } | |
|
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1533 |
|
12233
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|
1534 set_conservative_max_heap_alignment(); |
|
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1535 |
| 1010 | 1536 #ifndef ZERO |
|
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|
1537 #ifdef _LP64 |
|
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|
1538 set_use_compressed_oops(); |
|
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1539 |
|
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1540 // set_use_compressed_klass_ptrs() must be called after calling |
|
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1541 // set_use_compressed_oops(). |
|
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|
1542 set_use_compressed_klass_ptrs(); |
|
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1543 |
|
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|
1544 // Also checks that certain machines are slower with compressed oops |
|
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1545 // in vm_version initialization code. |
|
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|
1546 #endif // _LP64 |
| 1010 | 1547 #endif // !ZERO |
| 0 | 1548 } |
| 1549 | |
| 1550 void Arguments::set_parallel_gc_flags() { | |
|
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|
1551 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1552 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1553 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1554 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1555 } |
| 4879 | 1556 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1557 |
| 1558 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1559 // of the physical memory, up to a maximum of 1GB. | |
|
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|
1560 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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|
1561 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1562 if (ParallelGCThreads == 0) { |
|
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|
1563 jio_fprintf(defaultStream::error_stream(), |
|
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|
1564 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
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|
1565 vm_exit(1); |
|
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|
1566 } |
|
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|
1567 |
|
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|
1568 |
|
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|
1569 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
|
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|
1570 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
|
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|
1571 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
|
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|
1572 // See CR 6362902 for details. |
|
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|
1573 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
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|
1574 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
|
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|
1575 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
| 0 | 1576 } |
|
7471
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|
1577 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
|
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|
1578 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
|
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|
1579 } |
|
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|
1580 } |
|
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|
1581 |
|
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|
1582 if (UseParallelOldGC) { |
|
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|
1583 // Par compact uses lower default values since they are treated as |
|
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|
1584 // minimums. These are different defaults because of the different |
|
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|
1585 // interpretation and are not ergonomically set. |
|
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|
1586 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
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|
1587 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1588 } |
| 1589 } | |
| 1590 } | |
| 1591 | |
|
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1592 void Arguments::set_g1_gc_flags() { |
|
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|
1593 assert(UseG1GC, "Error"); |
|
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|
1594 #ifdef COMPILER1 |
|
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|
1595 FastTLABRefill = false; |
|
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|
1596 #endif |
|
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|
1597 FLAG_SET_DEFAULT(ParallelGCThreads, |
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|
1598 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1599 if (ParallelGCThreads == 0) { |
|
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|
1600 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1601 Abstract_VM_Version::parallel_worker_threads()); |
|
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1602 } |
| 751 | 1603 |
|
7397
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|
1604 // MarkStackSize will be set (if it hasn't been set by the user) |
|
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|
1605 // when concurrent marking is initialized. |
|
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|
1606 // Its value will be based upon the number of parallel marking threads. |
|
442f942757c0
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|
1607 // But we do set the maximum mark stack size here. |
|
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|
1608 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
|
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|
1609 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
| 1284 | 1610 } |
| 1356 | 1611 |
| 1612 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1613 // In G1, we want the default GC overhead goal to be higher than | |
| 1614 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1615 // be expanded more aggressively than we would like it to. In | |
| 1616 // fact, even 10% seems to not be high enough in some cases | |
| 1617 // (especially small GC stress tests that the main thing they do | |
| 1618 // is allocation). We might consider increase it further. | |
| 1619 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1620 } | |
|
7397
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|
1621 |
|
442f942757c0
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|
1622 if (PrintGCDetails && Verbose) { |
|
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|
1623 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
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|
1624 MarkStackSize / K, MarkStackSizeMax / K); |
|
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|
1625 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
|
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|
1626 } |
|
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1627 } |
|
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1628 |
|
8854
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|
1629 julong Arguments::limit_by_allocatable_memory(julong limit) { |
|
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|
1630 julong max_allocatable; |
|
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|
1631 julong result = limit; |
|
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|
1632 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
|
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|
1633 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
|
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|
1634 } |
|
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|
1635 return result; |
|
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|
1636 } |
|
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|
1637 |
| 1064 | 1638 void Arguments::set_heap_size() { |
| 1639 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1640 // Deprecated flag | |
| 1641 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1642 } | |
| 1643 | |
| 1644 const julong phys_mem = | |
| 1645 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1646 : (julong)MaxRAM; | |
| 1647 | |
| 1648 // If the maximum heap size has not been set with -Xmx, | |
| 1649 // then set it as fraction of the size of physical memory, | |
| 1650 // respecting the maximum and minimum sizes of the heap. | |
|
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1651 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1652 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1653 | |
| 1654 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1655 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1656 reasonable_max = phys_mem / MinRAMFraction; | |
| 1657 } else { | |
| 1658 // Not-small physical memory, so require a heap at least | |
| 1659 // as large as MaxHeapSize | |
| 1660 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1661 } | |
| 1662 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1663 // Limit the heap size to ErgoHeapSizeLimit | |
| 1664 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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|
1665 } |
| 1064 | 1666 if (UseCompressedOops) { |
| 1667 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1668 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1669 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1670 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1671 // but it should be not less than default MaxHeapSize. | |
| 1672 max_coop_heap -= HeapBaseMinAddress; | |
| 1673 } | |
| 1674 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1675 } |
|
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|
1676 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
| 1064 | 1677 |
| 1678 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1679 // An initial heap size was specified on the command line, | |
| 1680 // so be sure that the maximum size is consistent. Done | |
|
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|
1681 // after call to limit_by_allocatable_memory because that |
| 1064 | 1682 // method might reduce the allocation size. |
| 1683 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1684 } | |
| 1685 | |
|
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1686 if (PrintGCDetails && Verbose) { |
|
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|
1687 // Cannot use gclog_or_tty yet. |
| 1064 | 1688 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
|
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|
1689 } |
| 1064 | 1690 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1691 } | |
| 1692 | |
|
10241
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|
1693 // If the minimum or initial heap_size have not been set or requested to be set |
|
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1694 // ergonomically, set them accordingly. |
|
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|
1695 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
|
1074
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|
1696 julong reasonable_minimum = (julong)(OldSize + NewSize); |
|
84cb6f20afb3
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|
1697 |
|
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|
1698 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
|
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|
1699 |
|
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|
1700 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
|
1074
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|
1701 |
|
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|
1702 if (InitialHeapSize == 0) { |
|
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|
1703 julong reasonable_initial = phys_mem / InitialRAMFraction; |
|
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|
1704 |
|
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|
1705 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
|
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|
1706 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
|
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|
1707 |
|
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|
1708 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
|
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|
1709 |
|
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|
1710 if (PrintGCDetails && Verbose) { |
|
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|
1711 // Cannot use gclog_or_tty yet. |
|
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|
1712 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
|
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|
1713 } |
|
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|
1714 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
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1715 } |
|
10241
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|
1716 // If the minimum heap size has not been set (via -Xms), |
|
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|
1717 // synchronize with InitialHeapSize to avoid errors with the default value. |
|
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|
1718 if (min_heap_size() == 0) { |
|
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|
1719 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
|
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|
1720 if (PrintGCDetails && Verbose) { |
|
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|
1721 // Cannot use gclog_or_tty yet. |
|
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|
1722 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
|
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|
1723 } |
|
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|
1724 } |
|
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|
1725 } |
|
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|
1726 } |
|
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|
1727 |
| 0 | 1728 // This must be called after ergonomics because we want bytecode rewriting |
| 1729 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1730 void Arguments::set_bytecode_flags() { | |
| 1731 // Better not attempt to store into a read-only space. | |
| 1732 if (UseSharedSpaces) { | |
| 1733 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1734 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1735 } | |
| 1736 | |
| 1737 if (!RewriteBytecodes) { | |
| 1738 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1739 } | |
| 1740 } | |
| 1741 | |
| 1742 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1743 void Arguments::set_aggressive_opts_flags() { | |
|
17
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6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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|
1744 #ifdef COMPILER2 |
| 10278 | 1745 if (AggressiveUnboxing) { |
| 1746 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
| 1747 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
| 1748 } else if (!EliminateAutoBox) { | |
| 1749 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
| 1750 AggressiveUnboxing = false; | |
| 1751 } | |
| 1752 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
| 1753 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
| 1754 } else if (!DoEscapeAnalysis) { | |
| 1755 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
| 1756 AggressiveUnboxing = false; | |
| 1757 } | |
| 1758 } | |
|
17
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diff
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|
1759 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
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changeset
|
1760 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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diff
changeset
|
1761 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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|
1762 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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changeset
|
1763 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
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0
diff
changeset
|
1764 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
ff5961f4c095
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|
1765 } |
|
ff5961f4c095
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|
1766 |
|
ff5961f4c095
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|
1767 // Feed the cache size setting into the JDK |
|
ff5961f4c095
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diff
changeset
|
1768 char buffer[1024]; |
|
513
2328d1d3f8cf
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
489
diff
changeset
|
1769 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)
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|
1770 add_property(buffer); |
|
ff5961f4c095
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diff
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|
1771 } |
|
416
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6649622: HotSpot Biased locking needs tuning on latest CPUs
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|
1772 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
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|
1773 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
b6cfd754403d
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|
1774 } |
|
17
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|
1775 #endif |
|
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|
1776 |
| 0 | 1777 if (AggressiveOpts) { |
| 61 | 1778 // Sample flag setting code |
| 1779 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1780 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1781 // } | |
| 0 | 1782 } |
| 1783 } | |
| 1784 | |
| 1785 //=========================================================================================================== | |
| 1786 // Parsing of java.compiler property | |
| 1787 | |
| 1788 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1789 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1790 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1791 // is also specified. | |
| 1792 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1793 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1794 } | |
| 1795 } | |
| 1796 | |
| 1797 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1798 _sun_java_launcher = strdup(launcher); | |
|
2302
da091bb67459
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diff
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|
1799 if (strcmp("gamma", _sun_java_launcher) == 0) { |
|
da091bb67459
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diff
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|
1800 _created_by_gamma_launcher = true; |
|
da091bb67459
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|
1801 } |
| 0 | 1802 } |
| 1803 | |
| 1804 bool Arguments::created_by_java_launcher() { | |
| 1805 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1806 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1807 } | |
| 1808 | |
|
2302
da091bb67459
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2243
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|
1809 bool Arguments::created_by_gamma_launcher() { |
|
da091bb67459
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|
1810 return _created_by_gamma_launcher; |
|
da091bb67459
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|
1811 } |
|
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|
1812 |
| 0 | 1813 //=========================================================================================================== |
| 1814 // Parsing of main arguments | |
| 1815 | |
|
1244
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6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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diff
changeset
|
1816 bool Arguments::verify_interval(uintx val, uintx min, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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diff
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|
1817 uintx max, const char* name) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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diff
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|
1818 // Returns true iff value is in the inclusive interval [min..max] |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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diff
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|
1819 // false, otherwise. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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diff
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|
1820 if (val >= min && val <= max) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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|
1821 return true; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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diff
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|
1822 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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1188
diff
changeset
|
1823 jio_fprintf(defaultStream::error_stream(), |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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diff
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|
1824 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
|
745c853ee57f
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diff
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|
1825 " and " UINTX_FORMAT "\n", |
|
745c853ee57f
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diff
changeset
|
1826 name, val, min, max); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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diff
changeset
|
1827 return false; |
|
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1188
diff
changeset
|
1828 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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diff
changeset
|
1829 |
|
1744
f8c5d1bdaad4
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|
1830 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
|
2366
1fb790245268
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|
1831 // 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
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diff
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|
1832 // false, otherwise. |
|
f8c5d1bdaad4
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diff
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|
1833 if (val >= min ) { |
|
f8c5d1bdaad4
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diff
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|
1834 return true; |
|
f8c5d1bdaad4
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diff
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|
1835 } |
|
f8c5d1bdaad4
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diff
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|
1836 jio_fprintf(defaultStream::error_stream(), |
|
2366
1fb790245268
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2362
diff
changeset
|
1837 "%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
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1681
diff
changeset
|
1838 name, val, min); |
|
f8c5d1bdaad4
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1681
diff
changeset
|
1839 return false; |
|
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1840 } |
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1841 |
| 0 | 1842 bool Arguments::verify_percentage(uintx value, const char* name) { |
| 1843 if (value <= 100) { | |
| 1844 return true; | |
| 1845 } | |
| 1846 jio_fprintf(defaultStream::error_stream(), | |
| 1847 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1848 name, value); | |
| 1849 return false; | |
| 1850 } | |
| 1851 | |
|
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1852 #if !INCLUDE_ALL_GCS |
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1853 #ifdef ASSERT |
| 0 | 1854 static bool verify_serial_gc_flags() { |
| 1855 return (UseSerialGC && | |
|
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1856 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
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1857 UseParallelGC || UseParallelOldGC)); |
| 0 | 1858 } |
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1859 #endif // ASSERT |
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1860 #endif // INCLUDE_ALL_GCS |
| 0 | 1861 |
|
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1862 // check if do gclog rotation |
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1863 // +UseGCLogFileRotation is a must, |
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1864 // no gc log rotation when log file not supplied or |
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1865 // NumberOfGCLogFiles is 0, or GCLogFileSize is 0 |
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1866 void check_gclog_consistency() { |
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1867 if (UseGCLogFileRotation) { |
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1868 if ((Arguments::gc_log_filename() == NULL) || |
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1869 (NumberOfGCLogFiles == 0) || |
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1870 (GCLogFileSize == 0)) { |
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1871 jio_fprintf(defaultStream::output_stream(), |
| 12215 | 1872 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files> -XX:GCLogFileSize=<num_of_size>[k|K|m|M|g|G]\n" |
|
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1873 "where num_of_file > 0 and num_of_size > 0\n" |
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1874 "GC log rotation is turned off\n"); |
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1875 UseGCLogFileRotation = false; |
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1876 } |
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1877 } |
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1878 |
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1879 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
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1880 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); |
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1881 jio_fprintf(defaultStream::output_stream(), |
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1882 "GCLogFileSize changed to minimum 8K\n"); |
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1883 } |
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1884 } |
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1885 |
| 12215 | 1886 // This function is called for -Xloggc:<filename>, it can be used |
| 1887 // to check if a given file name(or string) conforms to the following | |
| 1888 // specification: | |
| 1889 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
| 1890 // %p and %t only allowed once. We only limit usage of filename not path | |
| 1891 bool is_filename_valid(const char *file_name) { | |
| 1892 const char* p = file_name; | |
| 1893 char file_sep = os::file_separator()[0]; | |
| 1894 const char* cp; | |
| 1895 // skip prefix path | |
| 1896 for (cp = file_name; *cp != '\0'; cp++) { | |
| 1897 if (*cp == '/' || *cp == file_sep) { | |
| 1898 p = cp + 1; | |
| 1899 } | |
| 1900 } | |
| 1901 | |
| 1902 int count_p = 0; | |
| 1903 int count_t = 0; | |
| 1904 while (*p != '\0') { | |
| 1905 if ((*p >= '0' && *p <= '9') || | |
| 1906 (*p >= 'A' && *p <= 'Z') || | |
| 1907 (*p >= 'a' && *p <= 'z') || | |
| 1908 *p == '-' || | |
| 1909 *p == '_' || | |
| 1910 *p == '.') { | |
| 1911 p++; | |
| 1912 continue; | |
| 1913 } | |
| 1914 if (*p == '%') { | |
| 1915 if(*(p + 1) == 'p') { | |
| 1916 p += 2; | |
| 1917 count_p ++; | |
| 1918 continue; | |
| 1919 } | |
| 1920 if (*(p + 1) == 't') { | |
| 1921 p += 2; | |
| 1922 count_t ++; | |
| 1923 continue; | |
| 1924 } | |
| 1925 } | |
| 1926 return false; | |
| 1927 } | |
| 1928 return count_p < 2 && count_t < 2; | |
| 1929 } | |
| 1930 | |
|
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1931 // Check consistency of GC selection |
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1932 bool Arguments::check_gc_consistency() { |
|
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1933 check_gclog_consistency(); |
|
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1934 bool status = true; |
|
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1935 // Ensure that the user has not selected conflicting sets |
|
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1936 // of collectors. [Note: this check is merely a user convenience; |
|
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1937 // collectors over-ride each other so that only a non-conflicting |
|
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1938 // set is selected; however what the user gets is not what they |
|
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1939 // may have expected from the combination they asked for. It's |
|
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1940 // better to reduce user confusion by not allowing them to |
|
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1941 // select conflicting combinations. |
|
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1942 uint i = 0; |
|
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1943 if (UseSerialGC) i++; |
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1944 if (UseConcMarkSweepGC || UseParNewGC) i++; |
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1945 if (UseParallelGC || UseParallelOldGC) i++; |
|
845
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1946 if (UseG1GC) i++; |
|
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1947 if (i > 1) { |
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1948 jio_fprintf(defaultStream::error_stream(), |
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1949 "Conflicting collector combinations in option list; " |
|
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1950 "please refer to the release notes for the combinations " |
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1951 "allowed\n"); |
|
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1952 status = false; |
|
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1953 } else if (ReservedCodeCacheSize > 2*G) { |
|
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1954 // Code cache size larger than MAXINT is not supported. |
|
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1955 jio_fprintf(defaultStream::error_stream(), |
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1956 "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
|
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1957 (2*G)/M); |
|
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1958 status = false; |
|
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1959 } |
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1960 return status; |
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1961 } |
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1962 |
|
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1963 void Arguments::check_deprecated_gcs() { |
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1964 if (UseConcMarkSweepGC && !UseParNewGC) { |
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1965 warning("Using the DefNew young collector with the CMS collector is deprecated " |
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1966 "and will likely be removed in a future release"); |
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1967 } |
|
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1968 |
|
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1969 if (UseParNewGC && !UseConcMarkSweepGC) { |
|
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1970 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
|
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1971 // set up UseSerialGC properly, so that can't be used in the check here. |
|
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1972 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
|
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1973 "and will likely be removed in a future release"); |
|
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1974 } |
| 7453 | 1975 |
| 1976 if (CMSIncrementalMode) { | |
| 1977 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
| 1978 } | |
|
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1979 } |
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1980 |
| 8734 | 1981 void Arguments::check_deprecated_gc_flags() { |
| 1982 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
| 1983 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
| 1984 "and will likely be removed in future release"); | |
| 1985 } | |
| 11977 | 1986 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
| 1987 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
| 1988 "Use MaxRAMFraction instead."); | |
| 1989 } | |
| 8734 | 1990 } |
| 1991 | |
|
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1992 // Check stack pages settings |
|
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1993 bool Arguments::check_stack_pages() |
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1994 { |
|
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1995 bool status = true; |
|
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1996 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
|
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1997 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
1867
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1998 // greater stack shadow pages can't generate instruction to bang stack |
|
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1999 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
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2000 return status; |
|
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2001 } |
|
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2002 |
| 0 | 2003 // Check the consistency of vm_init_args |
| 2004 bool Arguments::check_vm_args_consistency() { | |
| 2005 // Method for adding checks for flag consistency. | |
| 2006 // The intent is to warn the user of all possible conflicts, | |
| 2007 // before returning an error. | |
| 2008 // Note: Needs platform-dependent factoring. | |
| 2009 bool status = true; | |
| 2010 | |
| 2011 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 2012 // builds so the cost of stack banging can be measured. | |
| 2013 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 2014 if (!UseBoundThreads && !UseStackBanging) { | |
| 2015 jio_fprintf(defaultStream::error_stream(), | |
| 2016 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 2017 | |
| 2018 status = false; | |
| 2019 } | |
| 2020 #endif | |
| 2021 | |
| 2022 if (TLABRefillWasteFraction == 0) { | |
| 2023 jio_fprintf(defaultStream::error_stream(), | |
| 2024 "TLABRefillWasteFraction should be a denominator, " | |
| 2025 "not " SIZE_FORMAT "\n", | |
| 2026 TLABRefillWasteFraction); | |
| 2027 status = false; | |
| 2028 } | |
| 2029 | |
|
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2030 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
| 0 | 2031 "AdaptiveSizePolicyWeight"); |
|
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2032 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
|
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2033 status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
|
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2034 status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); |
| 0 | 2035 |
|
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2036 // Divide by bucket size to prevent a large size from causing rollover when |
|
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|
2037 // calculating amount of memory needed to be allocated for the String table. |
|
10126
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diff
changeset
|
2038 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2039 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
|
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2040 |
| 0 | 2041 if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
| 2042 jio_fprintf(defaultStream::error_stream(), | |
| 2043 "MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " | |
| 2044 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", | |
| 2045 MinHeapFreeRatio, MaxHeapFreeRatio); | |
| 2046 status = false; | |
| 2047 } | |
| 2048 // Keeping the heap 100% free is hard ;-) so limit it to 99%. | |
| 2049 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); | |
| 2050 | |
|
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2051 // Min/MaxMetaspaceFreeRatio |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2052 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2053 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2054 |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2055 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2056 jio_fprintf(defaultStream::error_stream(), |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2057 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2058 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2059 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2060 MinMetaspaceFreeRatio, |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2061 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2062 MaxMetaspaceFreeRatio); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2063 status = false; |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2064 } |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2065 |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2066 // Trying to keep 100% free is not practical |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2067 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2068 |
| 0 | 2069 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
| 2070 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 2071 } | |
| 2072 | |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2073 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2074 // Settings to encourage splitting. |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2075 if (!FLAG_IS_CMDLINE(NewRatio)) { |
| 8035 | 2076 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2077 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2078 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2079 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2080 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2081 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2082 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2083 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2084 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 2085 if (GCTimeLimit == 100) { |
| 2086 // Turn off gc-overhead-limit-exceeded checks | |
| 2087 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 2088 } | |
| 2089 | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2090 status = status && check_gc_consistency(); |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2091 status = status && check_stack_pages(); |
| 0 | 2092 |
| 2093 if (CMSIncrementalMode) { | |
| 2094 if (!UseConcMarkSweepGC) { | |
| 2095 jio_fprintf(defaultStream::error_stream(), | |
| 2096 "error: invalid argument combination.\n" | |
| 2097 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 2098 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 2099 status = false; | |
| 2100 } else { | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2101 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 2102 "CMSIncrementalDutyCycle"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2103 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 2104 "CMSIncrementalDutyCycleMin"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2105 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 2106 "CMSIncrementalSafetyFactor"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2107 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 2108 "CMSIncrementalOffset"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2109 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 2110 "CMSExpAvgFactor"); |
| 2111 // If it was not set on the command line, set | |
| 2112 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 2113 if (CMSInitiatingOccupancyFraction < 0) { | |
| 2114 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 2115 } | |
| 2116 } | |
| 2117 } | |
| 2118 | |
| 2119 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 2120 // insists that we hold the requisite locks so that the iteration is | |
| 2121 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 2122 // yet have a good way of acquiring and releasing these locks, | |
| 2123 // which are not visible at the CollectedHeap level. We want to | |
| 2124 // be able to acquire these locks and then do the iteration rather | |
| 2125 // than just disable the lock verification. This will be fixed under | |
| 2126 // bug 4788986. | |
| 2127 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2128 if (VerifyDuringStartup) { |
| 0 | 2129 warning("Heap verification at start-up disabled " |
| 2130 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2131 VerifyDuringStartup = false; // Disable verification at start-up |
| 0 | 2132 } |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2133 |
| 0 | 2134 if (VerifyBeforeExit) { |
| 2135 warning("Heap verification at shutdown disabled " | |
| 2136 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 2137 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 2138 } | |
| 2139 } | |
| 2140 | |
| 2141 // Note: only executed in non-PRODUCT mode | |
| 2142 if (!UseAsyncConcMarkSweepGC && | |
| 2143 (ExplicitGCInvokesConcurrent || | |
| 2144 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 2145 jio_fprintf(defaultStream::error_stream(), | |
|
6628
bb3f6194fedb
7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
brutisso
parents:
6266
diff
changeset
|
2146 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 2147 " with -UseAsyncConcMarkSweepGC"); |
| 2148 status = false; | |
| 2149 } | |
| 2150 | |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2151 status = status && verify_min_value(ParGCArrayScanChunk, 1, "ParGCArrayScanChunk"); |
|
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2152 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2153 #if INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2154 if (UseG1GC) { |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2155 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2156 "InitiatingHeapOccupancyPercent"); |
|
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2157 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2158 "G1RefProcDrainInterval"); |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2159 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2160 "G1ConcMarkStepDurationMillis"); |
|
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2161 status = status && verify_interval(G1ConcRSHotCardLimit, 0, max_jubyte, |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2162 "G1ConcRSHotCardLimit"); |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2163 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
|
2164 "G1ConcRSLogCacheSize"); |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2165 } |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2166 if (UseConcMarkSweepGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2167 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2168 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2169 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2170 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2171 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2172 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2173 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2174 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2175 status = status && verify_interval(CMS_SweepWeight, 0, 100, "CMS_SweepWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2176 status = status && verify_interval(CMS_FLSWeight, 0, 100, "CMS_FLSWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2177 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2178 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2179 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2180 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2181 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2182 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2183 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2184 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2185 status = status && verify_interval(CMSPrecleanNumerator, 0, CMSPrecleanDenominator - 1, "CMSPrecleanNumerator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2186 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2187 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2188 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2189 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2190 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2191 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2192 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2193 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2194 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2195 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2196 } |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2197 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2198 if (UseParallelGC || UseParallelOldGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2199 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2200 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2201 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2202 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2203 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2204 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2205 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2206 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2207 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2208 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2209 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2210 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2211 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2212 #endif // INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2213 |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2214 status = status && verify_interval(RefDiscoveryPolicy, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2215 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2216 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2217 "RefDiscoveryPolicy"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2218 |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2219 // 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
|
2220 // expression. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2221 status = status && verify_interval(TLABWasteTargetPercent, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2222 1, 100, "TLABWasteTargetPercent"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2223 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2224 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
|
2225 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2226 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2227 "CompressedClassSpaceSize"); |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2228 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2229 status = status && verify_interval(MarkStackSizeMax, |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2230 1, (max_jint - 1), "MarkStackSizeMax"); |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2231 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2232 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2233 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2234 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2235 status = status && verify_min_value(HeapSizePerGCThread, (uintx) os::vm_page_size(), "HeapSizePerGCThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2236 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2237 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2238 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2239 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2240 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2241 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2242 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2243 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2244 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2245 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2246 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2247 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2248 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2249 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2250 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2251 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2252 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2253 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2254 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2255 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2256 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2257 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2258 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2259 // the "age" field in the oop header is 4 bits; do not want to pull in markOop.hpp |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2260 // just for that, so hardcode here. |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2261 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2262 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2263 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2264 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2265 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2266 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
|
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2267 #ifdef SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2268 if (UseConcMarkSweepGC || UseG1GC) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2269 // Issue a stern warning if the user has explicitly set |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2270 // UseMemSetInBOT (it is known to cause issues), but allow |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2271 // use for experimentation and debugging. |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2272 if (VM_Version::is_sun4v() && UseMemSetInBOT) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2273 assert(!FLAG_IS_DEFAULT(UseMemSetInBOT), "Error"); |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2274 warning("Experimental flag -XX:+UseMemSetInBOT is known to cause instability" |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2275 " 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
|
2276 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2277 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2278 #endif // SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2279 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2280 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2281 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2282 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2283 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2284 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
|
2285 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2286 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2287 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2288 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2289 } |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2290 |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2291 // Need to limit the extent of the padding to reasonable size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2292 // 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
|
2293 // aggressive prefetching, while still leaving the room for segregating |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2294 // among the distinct pages. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2295 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2296 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2297 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2298 ContendedPaddingWidth, 0, 8192); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2299 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2300 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2301 |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2302 // Need to enforce the padding not to break the existing field alignments. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2303 // It is sufficient to check against the largest type size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2304 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2305 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2306 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2307 ContendedPaddingWidth, BytesPerLong); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2308 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2309 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2310 |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2311 // Check lower bounds of the code cache |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2312 // Template Interpreter code is approximately 3X larger in debug builds. |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2313 uint min_code_cache_size = (CodeCacheMinimumUseSpace DEBUG_ONLY(* 3)) + CodeCacheMinimumFreeSpace; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2314 if (InitialCodeCacheSize < (uintx)os::vm_page_size()) { |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2315 jio_fprintf(defaultStream::error_stream(), |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2316 "Invalid InitialCodeCacheSize=%dK. Must be at least %dK.\n", InitialCodeCacheSize/K, |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2317 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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parents:
11006
diff
changeset
|
2318 status = false; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2319 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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11006
diff
changeset
|
2320 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2321 "Invalid ReservedCodeCacheSize: %dK. Must be at least InitialCodeCacheSize=%dK.\n", |
|
10392
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8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2322 ReservedCodeCacheSize/K, InitialCodeCacheSize/K); |
|
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
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10319
diff
changeset
|
2323 status = false; |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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11006
diff
changeset
|
2324 } else if (ReservedCodeCacheSize < min_code_cache_size) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2325 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2326 "Invalid ReservedCodeCacheSize=%dK. Must be at least %uK.\n", ReservedCodeCacheSize/K, |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2327 min_code_cache_size/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2328 status = false; |
|
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2329 } else if (ReservedCodeCacheSize > 2*G) { |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2330 // Code cache size larger than MAXINT is not supported. |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2331 jio_fprintf(defaultStream::error_stream(), |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2332 "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2333 (2*G)/M); |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2334 status = false; |
|
10392
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8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
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10319
diff
changeset
|
2335 } |
| 0 | 2336 return status; |
| 2337 } | |
| 2338 | |
| 2339 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2340 const char* option_type) { | |
| 2341 if (ignore) return false; | |
| 2342 | |
| 2343 const char* spacer = " "; | |
| 2344 if (option_type == NULL) { | |
| 2345 option_type = ++spacer; // Set both to the empty string. | |
| 2346 } | |
| 2347 | |
| 2348 if (os::obsolete_option(option)) { | |
| 2349 jio_fprintf(defaultStream::error_stream(), | |
| 2350 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2351 option->optionString); | |
| 2352 return false; | |
| 2353 } else { | |
| 2354 jio_fprintf(defaultStream::error_stream(), | |
| 2355 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2356 option->optionString); | |
| 2357 return true; | |
| 2358 } | |
| 2359 } | |
| 2360 | |
| 2361 static const char* user_assertion_options[] = { | |
| 2362 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2363 }; | |
| 2364 | |
| 2365 static const char* system_assertion_options[] = { | |
| 2366 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2367 }; | |
| 2368 | |
| 2369 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2370 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2371 // the option must match exactly. | |
| 2372 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2373 bool tail_allowed) { | |
| 2374 for (/* empty */; *names != NULL; ++names) { | |
| 2375 if (match_option(option, *names, tail)) { | |
| 2376 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2377 return true; | |
| 2378 } | |
| 2379 } | |
| 2380 } | |
| 2381 return false; | |
| 2382 } | |
| 2383 | |
| 1284 | 2384 bool Arguments::parse_uintx(const char* value, |
| 2385 uintx* uintx_arg, | |
| 2386 uintx min_size) { | |
| 2387 | |
| 2388 // Check the sign first since atomull() parses only unsigned values. | |
| 2389 bool value_is_positive = !(*value == '-'); | |
| 2390 | |
| 2391 if (value_is_positive) { | |
| 2392 julong n; | |
| 2393 bool good_return = atomull(value, &n); | |
| 2394 if (good_return) { | |
| 2395 bool above_minimum = n >= min_size; | |
| 2396 bool value_is_too_large = n > max_uintx; | |
| 2397 | |
| 2398 if (above_minimum && !value_is_too_large) { | |
| 2399 *uintx_arg = n; | |
| 2400 return true; | |
| 2401 } | |
| 2402 } | |
| 2403 } | |
| 2404 return false; | |
| 2405 } | |
| 2406 | |
| 0 | 2407 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
|
2408 julong* long_arg, |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2409 julong min_size) { |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2410 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2411 return check_memory_size(*long_arg, min_size); |
| 2412 } | |
| 2413 | |
| 2414 // Parse JavaVMInitArgs structure | |
| 2415 | |
| 2416 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2417 // For components of the system classpath. | |
| 2418 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2419 bool scp_assembly_required = false; | |
| 2420 | |
| 2421 // Save default settings for some mode flags | |
| 2422 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2423 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2424 Arguments::_ClipInlining = ClipInlining; | |
| 2425 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2426 | |
|
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2427 // Setup flags for mixed which is the default |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2428 set_mode_flags(_mixed); |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2429 |
| 0 | 2430 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2431 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2432 if (result != JNI_OK) { | |
| 2433 return result; | |
| 2434 } | |
| 2435 | |
| 2436 // Parse JavaVMInitArgs structure passed in | |
| 2437 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, COMMAND_LINE); | |
| 2438 if (result != JNI_OK) { | |
| 2439 return result; | |
| 2440 } | |
| 2441 | |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2442 if (AggressiveOpts) { |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2443 // Insert alt-rt.jar between user-specified bootclasspath |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2444 // prefix and the default bootclasspath. os::set_boot_path() |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2445 // uses meta_index_dir as the default bootclasspath directory. |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2446 const char* altclasses_jar = "alt-rt.jar"; |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2447 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
|
2448 strlen(altclasses_jar); |
| 6197 | 2449 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
|
2450 strcpy(altclasses_path, get_meta_index_dir()); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2451 strcat(altclasses_path, altclasses_jar); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2452 scp.add_suffix_to_prefix(altclasses_path); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2453 scp_assembly_required = true; |
| 6197 | 2454 FREE_C_HEAP_ARRAY(char, altclasses_path, mtInternal); |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2455 } |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2456 |
| 0 | 2457 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) |
| 2458 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2459 if (result != JNI_OK) { | |
| 2460 return result; | |
| 2461 } | |
| 2462 | |
| 2463 // Do final processing now that all arguments have been parsed | |
| 2464 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2465 if (result != JNI_OK) { | |
| 2466 return result; | |
| 2467 } | |
| 2468 | |
| 2469 return JNI_OK; | |
| 2470 } | |
| 2471 | |
|
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2472 // 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
|
2473 // 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
|
2474 // 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
|
2475 // -agentlib |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2476 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
|
2477 char *_name; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2478 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2479 size_t _len_hprof, _len_jdwp, _len_prefix; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2480 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2481 if (is_path) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2482 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2483 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2484 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2485 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2486 _name++; // skip past last path separator |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2487 _len_prefix = strlen(JNI_LIB_PREFIX); |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2488 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2489 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2490 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2491 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2492 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2493 _name += _len_prefix; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2494 _len_hprof = strlen(_hprof); |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2495 _len_jdwp = strlen(_jdwp); |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2496 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2497 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2498 _name += _len_hprof; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2499 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2500 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2501 _name += _len_jdwp; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2502 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2503 else { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2504 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2505 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2506 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2507 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2508 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2509 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2510 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2511 return true; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2512 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2513 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2514 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2515 return true; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2516 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2517 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2518 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2519 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2520 |
| 0 | 2521 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
| 2522 SysClassPath* scp_p, | |
| 2523 bool* scp_assembly_required_p, | |
| 2524 FlagValueOrigin origin) { | |
| 2525 // Remaining part of option string | |
| 2526 const char* tail; | |
| 2527 | |
| 2528 // iterate over arguments | |
| 2529 for (int index = 0; index < args->nOptions; index++) { | |
| 2530 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2531 | |
| 2532 const JavaVMOption* option = args->options + index; | |
| 2533 | |
| 2534 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2535 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2536 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2537 | |
| 2538 // add all jvm options to the jvm_args string. This string | |
| 2539 // is used later to set the java.vm.args PerfData string constant. | |
| 2540 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2541 // omitted from jvm_args string as each have their own PerfData | |
| 2542 // string constant object. | |
| 2543 build_jvm_args(option->optionString); | |
| 2544 } | |
| 2545 | |
| 2546 // -verbose:[class/gc/jni] | |
| 2547 if (match_option(option, "-verbose", &tail)) { | |
| 2548 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2549 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2550 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2551 } else if (!strcmp(tail, ":gc")) { | |
| 2552 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2553 } else if (!strcmp(tail, ":jni")) { | |
| 2554 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2555 } | |
| 2556 // -da / -ea / -disableassertions / -enableassertions | |
| 2557 // These accept an optional class/package name separated by a colon, e.g., | |
| 2558 // -da:java.lang.Thread. | |
| 2559 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2560 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2561 if (*tail == '\0') { | |
| 2562 JavaAssertions::setUserClassDefault(enable); | |
| 2563 } else { | |
| 2564 assert(*tail == ':', "bogus match by match_option()"); | |
| 2565 JavaAssertions::addOption(tail + 1, enable); | |
| 2566 } | |
| 2567 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2568 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2569 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2570 JavaAssertions::setSystemClassDefault(enable); | |
| 2571 // -bootclasspath: | |
| 2572 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2573 scp_p->reset_path(tail); | |
| 2574 *scp_assembly_required_p = true; | |
| 2575 // -bootclasspath/a: | |
| 2576 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2577 scp_p->add_suffix(tail); | |
| 2578 *scp_assembly_required_p = true; | |
| 2579 // -bootclasspath/p: | |
| 2580 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2581 scp_p->add_prefix(tail); | |
| 2582 *scp_assembly_required_p = true; | |
| 2583 // -Xrun | |
| 2584 } else if (match_option(option, "-Xrun", &tail)) { | |
|
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|
2585 if (tail != NULL) { |
| 0 | 2586 const char* pos = strchr(tail, ':'); |
| 2587 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2588 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2589 name[len] = '\0'; |
| 2590 | |
| 2591 char *options = NULL; | |
| 2592 if(pos != NULL) { | |
| 2593 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2594 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2595 } |
|
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|
2596 #if !INCLUDE_JVMTI |
| 0 | 2597 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
|
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|
2598 jio_fprintf(defaultStream::error_stream(), |
|
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|
2599 "Profiling and debugging agents are not supported in this VM\n"); |
|
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|
2600 return JNI_ERR; |
|
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|
2601 } |
|
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|
2602 #endif // !INCLUDE_JVMTI |
|
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|
2603 add_init_library(name, options); |
| 0 | 2604 } |
| 2605 // -agentlib and -agentpath | |
| 2606 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2607 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2608 if(tail != NULL) { | |
| 2609 const char* pos = strchr(tail, '='); | |
| 2610 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2611 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2612 name[len] = '\0'; |
| 2613 | |
| 2614 char *options = NULL; | |
| 2615 if(pos != NULL) { | |
| 6197 | 2616 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2617 } |
|
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|
2618 #if !INCLUDE_JVMTI |
|
10170
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2619 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
|
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|
2620 jio_fprintf(defaultStream::error_stream(), |
|
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8105
diff
changeset
|
2621 "Profiling and debugging agents are not supported in this VM\n"); |
|
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8105
diff
changeset
|
2622 return JNI_ERR; |
|
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8105
diff
changeset
|
2623 } |
|
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fb19af007ffc
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diff
changeset
|
2624 #endif // !INCLUDE_JVMTI |
| 0 | 2625 add_init_agent(name, options, is_absolute_path); |
| 2626 } | |
| 2627 // -javaagent | |
| 2628 } else if (match_option(option, "-javaagent:", &tail)) { | |
|
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6818
diff
changeset
|
2629 #if !INCLUDE_JVMTI |
|
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8105
diff
changeset
|
2630 jio_fprintf(defaultStream::error_stream(), |
|
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8105
diff
changeset
|
2631 "Instrumentation agents are not supported in this VM\n"); |
|
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8105
diff
changeset
|
2632 return JNI_ERR; |
|
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diff
changeset
|
2633 #else |
| 0 | 2634 if(tail != NULL) { |
| 6197 | 2635 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2636 add_init_agent("instrument", options, false); |
| 2637 } | |
|
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diff
changeset
|
2638 #endif // !INCLUDE_JVMTI |
| 0 | 2639 // -Xnoclassgc |
| 2640 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2641 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2642 // -Xincgc: i-CMS | |
| 2643 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2644 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2645 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2646 // -Xnoincgc: no i-CMS | |
| 2647 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2648 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2649 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2650 // -Xconcgc | |
| 2651 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2652 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2653 // -Xnoconcgc | |
| 2654 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2655 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2656 // -Xbatch | |
| 2657 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2658 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2659 // -Xmn for compatibility with other JVM vendors | |
| 2660 } else if (match_option(option, "-Xmn", &tail)) { | |
|
489
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483
diff
changeset
|
2661 julong long_initial_eden_size = 0; |
| 0 | 2662 ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1); |
| 2663 if (errcode != arg_in_range) { | |
| 2664 jio_fprintf(defaultStream::error_stream(), | |
| 2665 "Invalid initial eden size: %s\n", option->optionString); | |
| 2666 describe_range_error(errcode); | |
| 2667 return JNI_EINVAL; | |
| 2668 } | |
| 1064 | 2669 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size); |
| 2670 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size); | |
| 0 | 2671 // -Xms |
| 2672 } else if (match_option(option, "-Xms", &tail)) { | |
|
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2673 julong long_initial_heap_size = 0; |
|
10241
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8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2674 // an initial heap size of 0 means automatically determine |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
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10240
diff
changeset
|
2675 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
| 0 | 2676 if (errcode != arg_in_range) { |
| 2677 jio_fprintf(defaultStream::error_stream(), | |
| 2678 "Invalid initial heap size: %s\n", option->optionString); | |
| 2679 describe_range_error(errcode); | |
| 2680 return JNI_EINVAL; | |
| 2681 } | |
| 1064 | 2682 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2683 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2684 set_min_heap_size(InitialHeapSize); |
| 0 | 2685 // -Xmx |
|
10241
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10240
diff
changeset
|
2686 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
|
489
2494ab195856
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parents:
483
diff
changeset
|
2687 julong long_max_heap_size = 0; |
| 0 | 2688 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2689 if (errcode != arg_in_range) { | |
| 2690 jio_fprintf(defaultStream::error_stream(), | |
| 2691 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2692 describe_range_error(errcode); | |
| 2693 return JNI_EINVAL; | |
| 2694 } | |
| 1064 | 2695 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2696 // Xmaxf |
| 2697 } else if (match_option(option, "-Xmaxf", &tail)) { | |
| 2698 int maxf = (int)(atof(tail) * 100); | |
| 2699 if (maxf < 0 || maxf > 100) { | |
| 2700 jio_fprintf(defaultStream::error_stream(), | |
| 2701 "Bad max heap free percentage size: %s\n", | |
| 2702 option->optionString); | |
| 2703 return JNI_EINVAL; | |
| 2704 } else { | |
| 2705 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2706 } | |
| 2707 // Xminf | |
| 2708 } else if (match_option(option, "-Xminf", &tail)) { | |
| 2709 int minf = (int)(atof(tail) * 100); | |
| 2710 if (minf < 0 || minf > 100) { | |
| 2711 jio_fprintf(defaultStream::error_stream(), | |
| 2712 "Bad min heap free percentage size: %s\n", | |
| 2713 option->optionString); | |
| 2714 return JNI_EINVAL; | |
| 2715 } else { | |
| 2716 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2717 } | |
| 2718 // -Xss | |
| 2719 } else if (match_option(option, "-Xss", &tail)) { | |
|
489
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swamyv
parents:
483
diff
changeset
|
2720 julong long_ThreadStackSize = 0; |
| 0 | 2721 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2722 if (errcode != arg_in_range) { | |
| 2723 jio_fprintf(defaultStream::error_stream(), | |
| 2724 "Invalid thread stack size: %s\n", option->optionString); | |
| 2725 describe_range_error(errcode); | |
| 2726 return JNI_EINVAL; | |
| 2727 } | |
| 2728 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2729 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2730 round_to((int)long_ThreadStackSize, K) / K); | |
| 2731 // -Xoss | |
| 2732 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2733 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2734 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2735 julong long_CodeCacheExpansionSize = 0; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2736 ArgsRange errcode = parse_memory_size(tail, &long_CodeCacheExpansionSize, os::vm_page_size()); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2737 if (errcode != arg_in_range) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2738 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2739 "Invalid argument: %s. Must be at least %luK.\n", option->optionString, |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2740 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2741 return JNI_EINVAL; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2742 } |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2743 FLAG_SET_CMDLINE(uintx, CodeCacheExpansionSize, (uintx)long_CodeCacheExpansionSize); |
|
2095
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2744 } else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
|
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2745 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2746 julong long_ReservedCodeCacheSize = 0; |
|
11079
738e04fb1232
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diff
changeset
|
2747 |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2748 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
| 0 | 2749 if (errcode != arg_in_range) { |
| 2750 jio_fprintf(defaultStream::error_stream(), | |
|
10392
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anoll
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10319
diff
changeset
|
2751 "Invalid maximum code cache size: %s.\n", option->optionString); |
| 0 | 2752 return JNI_EINVAL; |
| 2753 } | |
| 2754 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
|
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2755 //-XX:IncreaseFirstTierCompileThresholdAt= |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2756 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2757 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2758 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2759 jio_fprintf(defaultStream::error_stream(), |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2760 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2761 option->optionString); |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2762 return JNI_EINVAL; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2763 } |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
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10294
diff
changeset
|
2764 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
| 0 | 2765 // -green |
| 2766 } else if (match_option(option, "-green", &tail)) { | |
| 2767 jio_fprintf(defaultStream::error_stream(), | |
| 2768 "Green threads support not available\n"); | |
| 2769 return JNI_EINVAL; | |
| 2770 // -native | |
| 2771 } else if (match_option(option, "-native", &tail)) { | |
| 2772 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2773 // -Xsqnopause | |
| 2774 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2775 // EVM option, ignore silently for compatibility | |
| 2776 // -Xrs | |
| 2777 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2778 // Classic/EVM option, new functionality | |
| 2779 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2780 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2781 // change default internal VM signals used - lower case for back compat | |
| 2782 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2783 // -Xoptimize | |
| 2784 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2785 // EVM option, ignore silently for compatibility | |
| 2786 // -Xprof | |
| 2787 } else if (match_option(option, "-Xprof", &tail)) { | |
|
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2788 #if INCLUDE_FPROF |
| 0 | 2789 _has_profile = true; |
|
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2790 #else // INCLUDE_FPROF |
|
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2791 jio_fprintf(defaultStream::error_stream(), |
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2792 "Flat profiling is not supported in this VM.\n"); |
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2793 return JNI_ERR; |
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2794 #endif // INCLUDE_FPROF |
| 0 | 2795 // -Xconcurrentio |
| 2796 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2797 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2798 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2799 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 2800 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2801 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 2802 | |
| 2803 // -Xinternalversion | |
| 2804 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 2805 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 2806 VM_Version::internal_vm_info_string()); | |
| 2807 vm_exit(0); | |
| 2808 #ifndef PRODUCT | |
| 2809 // -Xprintflags | |
| 2810 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 2811 CommandLineFlags::printFlags(tty, false); |
| 0 | 2812 vm_exit(0); |
| 2813 #endif | |
| 2814 // -D | |
| 2815 } else if (match_option(option, "-D", &tail)) { | |
| 2816 if (!add_property(tail)) { | |
| 2817 return JNI_ENOMEM; | |
| 2818 } | |
| 2819 // Out of the box management support | |
| 2820 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
|
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2821 #if INCLUDE_MANAGEMENT |
| 0 | 2822 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
|
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2823 #else |
|
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2824 jio_fprintf(defaultStream::output_stream(), |
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|
2825 "-Dcom.sun.management is not supported in this VM.\n"); |
|
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2826 return JNI_ERR; |
|
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|
2827 #endif |
| 0 | 2828 } |
| 2829 // -Xint | |
| 2830 } else if (match_option(option, "-Xint", &tail)) { | |
| 2831 set_mode_flags(_int); | |
| 2832 // -Xmixed | |
| 2833 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 2834 set_mode_flags(_mixed); | |
| 2835 // -Xcomp | |
| 2836 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 2837 // for testing the compiler; turn off all flags that inhibit compilation | |
| 2838 set_mode_flags(_comp); | |
| 2839 // -Xshare:dump | |
| 2840 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
| 2841 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 2842 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 2843 // -Xshare:on | |
| 2844 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 2845 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2846 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 2847 // -Xshare:auto | |
| 2848 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 2849 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2850 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2851 // -Xshare:off | |
| 2852 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 2853 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 2854 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2855 // -Xverify | |
| 2856 } else if (match_option(option, "-Xverify", &tail)) { | |
| 2857 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 2858 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 2859 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2860 } else if (strcmp(tail, ":remote") == 0) { | |
| 2861 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2862 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2863 } else if (strcmp(tail, ":none") == 0) { | |
| 2864 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2865 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 2866 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 2867 return JNI_EINVAL; | |
| 2868 } | |
| 2869 // -Xdebug | |
| 2870 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 2871 // note this flag has been used, then ignore | |
| 2872 set_xdebug_mode(true); | |
| 2873 // -Xnoagent | |
| 2874 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 2875 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 2876 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 2877 // Bind user level threads to kernel threads (Solaris only) | |
| 2878 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 2879 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 2880 // Redirect GC output to the file. -Xloggc:<filename> | |
| 2881 // ostream_init_log(), when called will use this filename | |
| 2882 // to initialize a fileStream. | |
| 2883 _gc_log_filename = strdup(tail); | |
| 12215 | 2884 if (!is_filename_valid(_gc_log_filename)) { |
| 2885 jio_fprintf(defaultStream::output_stream(), | |
| 2886 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
| 2887 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
| 2888 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
| 2889 return JNI_EINVAL; | |
| 2890 } | |
| 0 | 2891 FLAG_SET_CMDLINE(bool, PrintGC, true); |
| 2892 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 2893 | |
| 2894 // JNI hooks | |
| 2895 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 2896 if (!strcmp(tail, ":jni")) { | |
|
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2897 #if !INCLUDE_JNI_CHECK |
|
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2898 warning("JNI CHECKING is not supported in this VM"); |
|
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2899 #else |
| 0 | 2900 CheckJNICalls = true; |
|
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2901 #endif // INCLUDE_JNI_CHECK |
| 0 | 2902 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 2903 "check")) { | |
| 2904 return JNI_EINVAL; | |
| 2905 } | |
| 2906 } else if (match_option(option, "vfprintf", &tail)) { | |
| 2907 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 2908 } else if (match_option(option, "exit", &tail)) { | |
| 2909 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 2910 } else if (match_option(option, "abort", &tail)) { | |
| 2911 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 2912 // -XX:+AggressiveHeap | |
| 2913 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 2914 | |
| 2915 // This option inspects the machine and attempts to set various | |
| 2916 // parameters to be optimal for long-running, memory allocation | |
| 2917 // intensive jobs. It is intended for machines with large | |
| 2918 // amounts of cpu and memory. | |
| 2919 | |
| 2920 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 2921 // VM, but we may not be able to represent the total physical memory | |
| 2922 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 2923 // Thus, we need to make sure we're using a julong for intermediate | |
| 2924 // calculations. | |
| 2925 julong initHeapSize; | |
| 2926 julong total_memory = os::physical_memory(); | |
| 2927 | |
| 2928 if (total_memory < (julong)256*M) { | |
| 2929 jio_fprintf(defaultStream::error_stream(), | |
| 2930 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 2931 vm_exit(1); | |
| 2932 } | |
| 2933 | |
| 2934 // The heap size is half of available memory, or (at most) | |
| 2935 // all of possible memory less 160mb (leaving room for the OS | |
| 2936 // when using ISM). This is the maximum; because adaptive sizing | |
| 2937 // is turned on below, the actual space used may be smaller. | |
| 2938 | |
| 2939 initHeapSize = MIN2(total_memory / (julong)2, | |
| 2940 total_memory - (julong)160*M); | |
| 2941 | |
|
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|
2942 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
| 0 | 2943 |
| 2944 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 2945 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 2946 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 2947 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2948 set_min_heap_size(initHeapSize); |
| 0 | 2949 } |
| 2950 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 2951 // Make the young generation 3/8ths of the total heap. | |
| 2952 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 2953 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 2954 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 2955 } | |
| 2956 | |
|
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2957 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 2958 FLAG_SET_DEFAULT(UseLargePages, true); |
|
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2959 #endif |
| 0 | 2960 |
| 2961 // Increase some data structure sizes for efficiency | |
| 2962 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 2963 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2964 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 2965 | |
| 2966 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 2967 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 2968 // space per-gc-thread buffers. The default is 4kw. | |
| 2969 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 2970 | |
| 2971 // OldPLABSize is the size of the buffers in the old gen that | |
| 2972 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 2973 // survivor spaces. At any given time, there's one for each gc thread. | |
| 2974 // The default size is 1kw. These buffers are rarely used, since the | |
| 2975 // survivor spaces are usually big enough. For specjbb, however, there | |
| 2976 // are occasions when there's lots of live data in the young gen | |
| 2977 // and we end up promoting some of it. We don't have a definite | |
| 2978 // explanation for why bumping OldPLABSize helps, but the theory | |
| 2979 // is that a bigger PLAB results in retaining something like the | |
| 2980 // original allocation order after promotion, which improves mutator | |
| 2981 // locality. A minor effect may be that larger PLABs reduce the | |
| 2982 // number of PLAB allocation events during gc. The value of 8kw | |
| 2983 // was arrived at by experimenting with specjbb. | |
| 2984 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 2985 | |
| 2986 // Enable parallel GC and adaptive generation sizing | |
| 2987 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
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2988 FLAG_SET_DEFAULT(ParallelGCThreads, |
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2989 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 2990 |
| 2991 // Encourage steady state memory management | |
| 2992 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 2993 | |
| 2994 // This appears to improve mutator locality | |
| 2995 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2996 | |
| 2997 // Get around early Solaris scheduling bug | |
| 2998 // (affinity vs other jobs on system) | |
| 2999 // but disallow DR and offlining (5008695). | |
| 3000 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 3001 | |
| 3002 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 3003 // The last option must always win. | |
| 3004 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 3005 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 3006 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 3007 // The last option must always win. | |
| 3008 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 3009 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 3010 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 3011 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 3012 jio_fprintf(defaultStream::error_stream(), | |
| 3013 "Please use CMSClassUnloadingEnabled in place of " | |
| 3014 "CMSPermGenSweepingEnabled in the future\n"); | |
| 3015 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 3016 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 3017 jio_fprintf(defaultStream::error_stream(), | |
| 3018 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 3019 "-XX:+UseGCTimeLimit in the future\n"); | |
| 3020 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 3021 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 3022 jio_fprintf(defaultStream::error_stream(), | |
| 3023 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 3024 "-XX:-UseGCTimeLimit in the future\n"); | |
| 3025 // The TLE options are for compatibility with 1.3 and will be | |
| 3026 // removed without notice in a future release. These options | |
| 3027 // are not to be documented. | |
| 3028 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 3029 // No longer used. | |
| 3030 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 3031 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 3032 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 3033 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 3034 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 3035 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 3036 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 3037 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 3038 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 3039 // No longer used. | |
| 3040 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
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|
3041 julong long_tlab_size = 0; |
| 0 | 3042 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 3043 if (errcode != arg_in_range) { | |
| 3044 jio_fprintf(defaultStream::error_stream(), | |
| 3045 "Invalid TLAB size: %s\n", option->optionString); | |
| 3046 describe_range_error(errcode); | |
| 3047 return JNI_EINVAL; | |
| 3048 } | |
| 3049 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 3050 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 3051 // No longer used. | |
| 3052 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 3053 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 3054 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 3055 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 3056 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 3057 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 3058 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 3059 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 3060 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 3061 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 3062 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 3063 #if defined(DTRACE_ENABLED) |
| 0 | 3064 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 3065 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 3066 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 3067 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 3068 #else // defined(DTRACE_ENABLED) |
| 0 | 3069 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 3070 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 3071 return JNI_EINVAL; |
| 4006 | 3072 #endif // defined(DTRACE_ENABLED) |
| 0 | 3073 #ifdef ASSERT |
|
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|
3074 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 3075 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 3076 // disable scavenge before parallel mark-compact | |
| 3077 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3078 #endif | |
|
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|
3079 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 3080 julong cms_blocks_to_claim = (julong)atol(tail); |
| 3081 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 3082 jio_fprintf(defaultStream::error_stream(), | |
|
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3083 "Please use -XX:OldPLABSize in place of " |
|
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|
3084 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
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|
3085 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
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|
3086 julong cms_blocks_to_claim = (julong)atol(tail); |
|
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|
3087 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
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|
3088 jio_fprintf(defaultStream::error_stream(), |
|
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|
3089 "Please use -XX:OldPLABSize in place of " |
| 0 | 3090 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
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|
3091 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
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|
3092 julong old_plab_size = 0; |
| 0 | 3093 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 3094 if (errcode != arg_in_range) { | |
| 3095 jio_fprintf(defaultStream::error_stream(), | |
| 3096 "Invalid old PLAB size: %s\n", option->optionString); | |
| 3097 describe_range_error(errcode); | |
| 3098 return JNI_EINVAL; | |
| 3099 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3100 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 3101 jio_fprintf(defaultStream::error_stream(), |
| 3102 "Please use -XX:OldPLABSize in place of " | |
| 3103 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3104 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3105 julong young_plab_size = 0; |
| 0 | 3106 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 3107 if (errcode != arg_in_range) { | |
| 3108 jio_fprintf(defaultStream::error_stream(), | |
| 3109 "Invalid young PLAB size: %s\n", option->optionString); | |
| 3110 describe_range_error(errcode); | |
| 3111 return JNI_EINVAL; | |
| 3112 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3113 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 3114 jio_fprintf(defaultStream::error_stream(), |
| 3115 "Please use -XX:YoungPLABSize in place of " | |
| 3116 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 3117 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 3118 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 3119 julong stack_size = 0; | |
| 3120 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 3121 if (errcode != arg_in_range) { | |
| 3122 jio_fprintf(defaultStream::error_stream(), | |
| 3123 "Invalid mark stack size: %s\n", option->optionString); | |
| 3124 describe_range_error(errcode); | |
| 3125 return JNI_EINVAL; | |
| 3126 } | |
| 3127 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 3128 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 3129 julong max_stack_size = 0; | |
| 3130 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 3131 if (errcode != arg_in_range) { | |
| 3132 jio_fprintf(defaultStream::error_stream(), | |
| 3133 "Invalid maximum mark stack size: %s\n", | |
| 3134 option->optionString); | |
| 3135 describe_range_error(errcode); | |
| 3136 return JNI_EINVAL; | |
| 3137 } | |
| 3138 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 3139 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 3140 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 3141 uintx conc_threads = 0; | |
| 3142 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 3143 jio_fprintf(defaultStream::error_stream(), | |
| 3144 "Invalid concurrent threads: %s\n", option->optionString); | |
| 3145 return JNI_EINVAL; | |
| 3146 } | |
| 3147 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3148 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3149 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3150 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
|
3151 if (errcode != arg_in_range) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3152 jio_fprintf(defaultStream::error_stream(), |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3153 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3154 option->optionString); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3155 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3156 return JNI_EINVAL; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3157 } |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3158 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3159 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3160 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3161 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3162 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
|
3163 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
|
3164 #if !INCLUDE_MANAGEMENT |
|
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3165 } 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
|
3166 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
|
3167 "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
|
3168 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3169 #endif // INCLUDE_MANAGEMENT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3170 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 3171 // Skip -XX:Flags= since that case has already been handled |
| 3172 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 3173 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 3174 return JNI_EINVAL; | |
| 3175 } | |
| 3176 } | |
| 3177 // Unknown option | |
| 3178 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
| 3179 return JNI_ERR; | |
| 3180 } | |
| 3181 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3182 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3183 // 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
|
3184 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3185 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3186 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3187 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3188 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3189 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3190 #endif // LINUX |
| 0 | 3191 return JNI_OK; |
| 3192 } | |
| 3193 | |
| 3194 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
| 3195 // This must be done after all -D arguments have been processed. | |
| 3196 scp_p->expand_endorsed(); | |
| 3197 | |
| 3198 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
| 3199 // Assemble the bootclasspath elements into the final path. | |
| 3200 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 3201 } | |
| 3202 | |
| 3203 // This must be done after all arguments have been processed. | |
| 3204 // java_compiler() true means set to "NONE" or empty. | |
| 3205 if (java_compiler() && !xdebug_mode()) { | |
| 3206 // For backwards compatibility, we switch to interpreted mode if | |
| 3207 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 3208 // not specified. | |
| 3209 set_mode_flags(_int); | |
| 3210 } | |
| 3211 if (CompileThreshold == 0) { | |
| 3212 set_mode_flags(_int); | |
| 3213 } | |
| 3214 | |
|
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3215 // eventually fix up InitialTenuringThreshold if only MaxTenuringThreshold is set |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3216 if (FLAG_IS_DEFAULT(InitialTenuringThreshold) && (InitialTenuringThreshold > MaxTenuringThreshold)) { |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3217 FLAG_SET_ERGO(uintx, InitialTenuringThreshold, MaxTenuringThreshold); |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3218 } |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3219 |
| 0 | 3220 #ifndef COMPILER2 |
| 3221 // Don't degrade server performance for footprint | |
| 3222 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 3223 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 3224 // No need for large granularity pages w/small heaps. | |
| 3225 // Note that large pages are enabled/disabled for both the | |
| 3226 // Java heap and the code cache. | |
| 3227 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 3228 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3229 |
| 0 | 3230 #else |
| 3231 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
| 3232 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3233 } | |
| 3234 #endif | |
| 3235 | |
|
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3236 #ifndef TIERED |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3237 // Tiered compilation is undefined. |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3238 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3239 #endif |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3240 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3241 // 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
|
3242 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3243 // 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
|
3244 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3245 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3246 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3247 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3248 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3249 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3250 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3251 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3252 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3253 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3254 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3255 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3256 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3257 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3258 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3259 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3260 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3261 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3262 |
| 0 | 3263 if (!check_vm_args_consistency()) { |
| 3264 return JNI_ERR; | |
| 3265 } | |
| 3266 | |
| 3267 return JNI_OK; | |
| 3268 } | |
| 3269 | |
| 3270 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3271 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3272 scp_assembly_required_p); | |
| 3273 } | |
| 3274 | |
| 3275 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3276 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3277 scp_assembly_required_p); | |
| 3278 } | |
| 3279 | |
| 3280 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3281 const int N_MAX_OPTIONS = 64; | |
| 3282 const int OPTION_BUFFER_SIZE = 1024; | |
| 3283 char buffer[OPTION_BUFFER_SIZE]; | |
| 3284 | |
| 3285 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3286 // Don't check this variable if user has special privileges | |
| 3287 // (e.g. unix su command). | |
| 3288 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3289 !os::have_special_privileges()) { | |
| 3290 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3291 jio_fprintf(defaultStream::error_stream(), | |
| 3292 "Picked up %s: %s\n", name, buffer); | |
| 3293 char* rd = buffer; // pointer to the input string (rd) | |
| 3294 int i; | |
| 3295 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3296 while (isspace(*rd)) rd++; // skip whitespace | |
| 3297 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3298 | |
| 3299 // The output, option string, overwrites the input string. | |
| 3300 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3301 // input string (rd). | |
| 3302 char* wrt = rd; | |
| 3303 | |
| 3304 options[i++].optionString = wrt; // Fill in option | |
| 3305 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3306 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3307 int quote = *rd; // matching quote to look for | |
| 3308 rd++; // don't copy open quote | |
| 3309 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3310 if (*rd == 0) { // string termination means unmatched string | |
| 3311 jio_fprintf(defaultStream::error_stream(), | |
| 3312 "Unmatched quote in %s\n", name); | |
| 3313 return JNI_ERR; | |
| 3314 } | |
| 3315 *wrt++ = *rd++; // copy to option string | |
| 3316 } | |
| 3317 rd++; // don't copy close quote | |
| 3318 } else { | |
| 3319 *wrt++ = *rd++; // copy to option string | |
| 3320 } | |
| 3321 } | |
| 3322 // Need to check if we're done before writing a NULL, | |
| 3323 // because the write could be to the byte that rd is pointing to. | |
| 3324 if (*rd++ == 0) { | |
| 3325 *wrt = 0; | |
| 3326 break; | |
| 3327 } | |
| 3328 *wrt = 0; // Zero terminate option | |
| 3329 } | |
| 3330 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3331 JavaVMInitArgs vm_args; | |
| 3332 vm_args.version = JNI_VERSION_1_2; | |
| 3333 vm_args.options = options; | |
| 3334 vm_args.nOptions = i; | |
| 564 | 3335 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3336 |
| 3337 if (PrintVMOptions) { | |
| 3338 const char* tail; | |
| 3339 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3340 const JavaVMOption *option = vm_args.options + i; | |
| 3341 if (match_option(option, "-XX:", &tail)) { | |
| 3342 logOption(tail); | |
| 3343 } | |
| 3344 } | |
| 3345 } | |
| 3346 | |
| 3347 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, ENVIRON_VAR)); | |
| 3348 } | |
| 3349 return JNI_OK; | |
| 3350 } | |
| 3351 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3352 void Arguments::set_shared_spaces_flags() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3353 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3354 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3355 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
|
3356 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3357 UseSharedSpaces = false; |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3358 #ifdef _LP64 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3359 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3360 vm_exit_during_initialization( |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3361 "Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off.", NULL); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3362 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3363 } else { |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3364 // UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces. |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3365 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3366 no_shared_spaces(); |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3367 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3368 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3369 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3370 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3371 |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3372 #if !INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3373 static void force_serial_gc() { |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3374 FLAG_SET_DEFAULT(UseSerialGC, true); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3375 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
|
3376 UNSUPPORTED_GC_OPTION(UseG1GC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3377 UNSUPPORTED_GC_OPTION(UseParallelGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3378 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3379 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3380 UNSUPPORTED_GC_OPTION(UseParNewGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3381 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3382 #endif // INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3383 |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3384 // Sharing support |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3385 // Construct the path to the archive |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3386 static char* get_shared_archive_path() { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3387 char *shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3388 if (SharedArchiveFile == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3389 char jvm_path[JVM_MAXPATHLEN]; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3390 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
|
3391 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
|
3392 if (end != NULL) *end = '\0'; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3393 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
|
3394 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
|
3395 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
|
3396 file_sep_len + 20, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3397 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3398 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
|
3399 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
|
3400 strncat(shared_archive_path, "classes.jsa", 11); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3401 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3402 } else { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3403 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
|
3404 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3405 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
|
3406 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3407 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3408 return shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3409 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3410 |
| 0 | 3411 // Parse entry point called from JNI_CreateJavaVM |
| 3412 | |
| 3413 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 3414 | |
| 3415 // Remaining part of option string | |
| 3416 const char* tail; | |
| 3417 | |
| 3418 // 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
|
3419 const char* hotspotrc = ".hotspotrc"; |
| 0 | 3420 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
|
3421 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
|
3422 |
| 564 | 3423 const char* flags_file; |
| 0 | 3424 int index; |
| 3425 for (index = 0; index < args->nOptions; index++) { | |
| 3426 const JavaVMOption *option = args->options + index; | |
| 3427 if (match_option(option, "-XX:Flags=", &tail)) { | |
| 564 | 3428 flags_file = tail; |
| 0 | 3429 settings_file_specified = true; |
| 3430 } | |
| 3431 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
| 3432 PrintVMOptions = true; | |
| 3433 } | |
|
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3434 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
|
3435 PrintVMOptions = false; |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3436 } |
| 564 | 3437 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
| 3438 IgnoreUnrecognizedVMOptions = true; | |
| 3439 } | |
| 3440 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
| 3441 IgnoreUnrecognizedVMOptions = false; | |
| 3442 } | |
| 1150 | 3443 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
| 4773 | 3444 CommandLineFlags::printFlags(tty, false); |
| 1150 | 3445 vm_exit(0); |
| 3446 } | |
| 6197 | 3447 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3448 #if INCLUDE_NMT |
| 6197 | 3449 MemTracker::init_tracking_options(tail); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3450 #else |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3451 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
|
3452 "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
|
3453 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3454 #endif |
| 6197 | 3455 } |
| 3456 | |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3457 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3458 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3459 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3460 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3461 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3462 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3463 #endif |
| 564 | 3464 } |
| 3465 | |
| 3466 if (IgnoreUnrecognizedVMOptions) { | |
| 3467 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3468 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3469 } | |
| 3470 | |
| 3471 // Parse specified settings file | |
| 3472 if (settings_file_specified) { | |
| 3473 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3474 return JNI_EINVAL; | |
| 3475 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3476 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3477 #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
|
3478 // Parse default .hotspotrc settings file |
| 0 | 3479 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3480 return JNI_EINVAL; | |
| 3481 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3482 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3483 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
|
3484 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
|
3485 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
|
3486 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3487 #endif |
| 0 | 3488 } |
| 3489 | |
| 3490 if (PrintVMOptions) { | |
| 3491 for (index = 0; index < args->nOptions; index++) { | |
| 3492 const JavaVMOption *option = args->options + index; | |
| 3493 if (match_option(option, "-XX:", &tail)) { | |
| 3494 logOption(tail); | |
| 3495 } | |
| 3496 } | |
| 3497 } | |
| 3498 | |
| 3499 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3500 jint result = parse_vm_init_args(args); | |
| 3501 if (result != JNI_OK) { | |
| 3502 return result; | |
| 3503 } | |
| 3504 | |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3505 // 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
|
3506 SharedArchivePath = get_shared_archive_path(); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3507 if (SharedArchivePath == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3508 return JNI_ENOMEM; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3509 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3510 |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3511 // 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
|
3512 // 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
|
3513 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
|
3514 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
|
3515 "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
|
3516 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3517 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3518 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3519 #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
|
3520 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3521 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3522 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3523 #if INCLUDE_ALL_GCS |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3524 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3525 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3526 #endif |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3527 #endif |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3528 |
| 0 | 3529 #ifndef PRODUCT |
| 3530 if (TraceBytecodesAt != 0) { | |
| 3531 TraceBytecodes = true; | |
| 3532 } | |
| 3533 if (CountCompiledCalls) { | |
| 3534 if (UseCounterDecay) { | |
| 3535 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 3536 UseCounterDecay = false; | |
| 3537 } | |
| 3538 } | |
| 3539 #endif // PRODUCT | |
| 3540 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3541 // 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
|
3542 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3543 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3544 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3545 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
|
3546 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3547 EnableInvokeDynamic = false; |
| 710 | 3548 } |
| 3549 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3550 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3551 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3552 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3553 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
|
3554 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3555 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3556 } |
| 710 | 3557 |
| 0 | 3558 if (PrintGCDetails) { |
| 3559 // Turn on -verbose:gc options as well | |
| 3560 PrintGC = true; | |
| 3561 } | |
| 3562 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3563 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3564 // 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
|
3565 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3566 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3567 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3568 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3569 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3570 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3571 // 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
|
3572 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
|
3573 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3574 #if !INCLUDE_ALL_GCS |
| 1064 | 3575 force_serial_gc(); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3576 #endif // INCLUDE_ALL_GCS |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3577 #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
|
3578 if (DumpSharedSpaces || RequireSharedSpaces) { |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3579 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
|
3580 "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
|
3581 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3582 } |
|
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3583 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
|
3584 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
|
3585 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
|
3586 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
|
3587 } |
| 0 | 3588 no_shared_spaces(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3589 #endif // INCLUDE_CDS |
| 0 | 3590 |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3591 return JNI_OK; |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3592 } |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3593 |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3594 jint Arguments::apply_ergo() { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3595 |
| 0 | 3596 // Set flags based on ergonomics. |
| 3597 set_ergonomics_flags(); | |
| 3598 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3599 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3600 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3601 // Check the GC selections again. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3602 if (!check_gc_consistency()) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3603 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3604 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3605 |
| 1783 | 3606 if (TieredCompilation) { |
| 3607 set_tiered_flags(); | |
| 3608 } else { | |
| 3609 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
| 3610 if (CompilationPolicyChoice >= 2) { | |
| 3611 vm_exit_during_initialization( | |
| 3612 "Incompatible compilation policy selected", NULL); | |
| 3613 } | |
| 3614 } | |
| 3615 | |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3616 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3617 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3618 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3619 #if INCLUDE_ALL_GCS |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3620 // Set per-collector flags |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3621 if (UseParallelGC || UseParallelOldGC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3622 set_parallel_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3623 } 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
|
3624 set_cms_and_parnew_gc_flags(); |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3625 } 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
|
3626 set_parnew_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3627 } else if (UseG1GC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3628 set_g1_gc_flags(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3629 } |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3630 check_deprecated_gcs(); |
| 8734 | 3631 check_deprecated_gc_flags(); |
|
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3632 if (AssumeMP && !UseSerialGC) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3633 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
|
3634 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
|
3635 " 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
|
3636 " using -XX:ParallelGCThreads=N"); |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3637 } |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3638 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3639 #else // INCLUDE_ALL_GCS |
| 0 | 3640 assert(verify_serial_gc_flags(), "SerialGC unset"); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3641 #endif // INCLUDE_ALL_GCS |
| 0 | 3642 |
| 3643 // Set bytecode rewriting flags | |
| 3644 set_bytecode_flags(); | |
| 3645 | |
| 3646 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
| 3647 set_aggressive_opts_flags(); | |
| 3648 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3649 // Turn off biased locking for locking debug mode flags, |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3650 // 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
|
3651 // biased locking. |
| 2331 | 3652 if (UseHeavyMonitors |
| 3653 #ifdef COMPILER1 | |
| 3654 || !UseFastLocking | |
| 3655 #endif // COMPILER1 | |
| 3656 ) { | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3657 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3658 // 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
|
3659 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3660 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3661 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3662 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3663 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3664 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3665 |
| 0 | 3666 #ifdef CC_INTERP |
| 1131 | 3667 // Clear flags not supported by the C++ interpreter |
| 3668 FLAG_SET_DEFAULT(ProfileInterpreter, false); | |
| 0 | 3669 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 3670 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3671 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
| 1131 | 3672 #endif // CC_INTERP |
| 3673 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3674 #ifdef COMPILER2 |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3675 if (!UseBiasedLocking || EmitSync != 0) { |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3676 UseOptoBiasInlining = false; |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3677 } |
| 4777 | 3678 if (!EliminateLocks) { |
| 3679 EliminateNestedLocks = false; | |
| 3680 } | |
| 7473 | 3681 if (!Inline) { |
| 3682 IncrementalInline = false; | |
| 3683 } | |
| 3684 #ifndef PRODUCT | |
| 3685 if (!IncrementalInline) { | |
| 3686 AlwaysIncrementalInline = false; | |
| 3687 } | |
| 3688 #endif | |
| 3689 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
| 3690 // incremental inlining: bump MaxNodeLimit | |
| 3691 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
| 3692 } | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3693 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3694 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3695 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3696 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
|
3697 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3698 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3699 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3700 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3701 warning("Setting CompressedClassSpaceSize has no effect when compressed class pointers are not used"); |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3702 } |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3703 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3704 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3705 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3706 // 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
|
3707 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3708 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3709 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3710 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3711 #endif |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3712 |
| 0 | 3713 if (PrintCommandLineFlags) { |
| 4773 | 3714 CommandLineFlags::printSetFlags(tty); |
| 0 | 3715 } |
| 3716 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3717 // Apply CPU specific policy for the BiasedLocking |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3718 if (UseBiasedLocking) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3719 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3720 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3721 UseBiasedLocking = false; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3722 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3723 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3724 |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3725 // 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
|
3726 // 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
|
3727 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
|
3728 bool set = false; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3729 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3730 if (!set) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3731 FLAG_SET_DEFAULT(PauseAtExit, true); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3732 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3733 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3734 |
| 0 | 3735 return JNI_OK; |
| 3736 } | |
| 3737 | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3738 jint Arguments::adjust_after_os() { |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3739 #if INCLUDE_ALL_GCS |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3740 if (UseParallelGC || UseParallelOldGC) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3741 if (UseNUMA) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3742 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3743 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3744 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3745 // 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
|
3746 // 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
|
3747 UseNUMAInterleaving = true; |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3748 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3749 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3750 #endif // INCLUDE_ALL_GCS |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3751 return JNI_OK; |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3752 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3753 |
| 0 | 3754 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 3755 int count = 0; | |
| 3756 while(pl != NULL) { | |
| 3757 count++; | |
| 3758 pl = pl->next(); | |
| 3759 } | |
| 3760 return count; | |
| 3761 } | |
| 3762 | |
| 3763 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 3764 assert(key != NULL, "just checking"); | |
| 3765 SystemProperty* prop; | |
| 3766 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 3767 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 3768 } | |
| 3769 return NULL; | |
| 3770 } | |
| 3771 | |
| 3772 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 3773 int count = 0; | |
| 3774 const char* ret_val = NULL; | |
| 3775 | |
| 3776 while(pl != NULL) { | |
| 3777 if(count >= index) { | |
| 3778 ret_val = pl->key(); | |
| 3779 break; | |
| 3780 } | |
| 3781 count++; | |
| 3782 pl = pl->next(); | |
| 3783 } | |
| 3784 | |
| 3785 return ret_val; | |
| 3786 } | |
| 3787 | |
| 3788 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 3789 int count = 0; | |
| 3790 char* ret_val = NULL; | |
| 3791 | |
| 3792 while(pl != NULL) { | |
| 3793 if(count >= index) { | |
| 3794 ret_val = pl->value(); | |
| 3795 break; | |
| 3796 } | |
| 3797 count++; | |
| 3798 pl = pl->next(); | |
| 3799 } | |
| 3800 | |
| 3801 return ret_val; | |
| 3802 } | |
| 3803 | |
| 3804 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 3805 SystemProperty* p = *plist; | |
| 3806 if (p == NULL) { | |
| 3807 *plist = new_p; | |
| 3808 } else { | |
| 3809 while (p->next() != NULL) { | |
| 3810 p = p->next(); | |
| 3811 } | |
| 3812 p->set_next(new_p); | |
| 3813 } | |
| 3814 } | |
| 3815 | |
| 3816 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 3817 if (plist == NULL) | |
| 3818 return; | |
| 3819 | |
| 3820 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 3821 PropertyList_add(plist, new_p); | |
| 3822 } | |
| 3823 | |
| 3824 // This add maintains unique property key in the list. | |
| 691 | 3825 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 3826 if (plist == NULL) |
| 3827 return; | |
| 3828 | |
| 3829 // If property key exist then update with new value. | |
| 3830 SystemProperty* prop; | |
| 3831 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 3832 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 3833 if (append) { |
| 3834 prop->append_value(v); | |
| 3835 } else { | |
| 3836 prop->set_value(v); | |
| 3837 } | |
| 0 | 3838 return; |
| 3839 } | |
| 3840 } | |
| 3841 | |
| 3842 PropertyList_add(plist, k, v); | |
| 3843 } | |
| 3844 | |
| 3845 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 3846 // Returns true if all of the source pointed by src has been copied over to | |
| 3847 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 3848 // Notes: | |
| 3849 // 1. If the length (buflen) of the destination buffer excluding the | |
| 3850 // NULL terminator character is not long enough for holding the expanded | |
| 3851 // pid characters, it also returns false instead of returning the partially | |
| 3852 // expanded one. | |
| 3853 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 3854 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 3855 char* buf, size_t buflen) { | |
| 3856 const char* p = src; | |
| 3857 char* b = buf; | |
| 3858 const char* src_end = &src[srclen]; | |
| 3859 char* buf_end = &buf[buflen - 1]; | |
| 3860 | |
| 3861 while (p < src_end && b < buf_end) { | |
| 3862 if (*p == '%') { | |
| 3863 switch (*(++p)) { | |
| 3864 case '%': // "%%" ==> "%" | |
| 3865 *b++ = *p++; | |
| 3866 break; | |
| 3867 case 'p': { // "%p" ==> current process id | |
| 3868 // buf_end points to the character before the last character so | |
| 3869 // that we could write '\0' to the end of the buffer. | |
| 3870 size_t buf_sz = buf_end - b + 1; | |
| 3871 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 3872 | |
| 3873 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 3874 // the expanded pid, returns false. | |
| 3875 if (ret < 0 || ret >= (int)buf_sz) { | |
| 3876 return false; | |
| 3877 } else { | |
| 3878 b += ret; | |
| 3879 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 3880 if (p == src_end && b == buf_end + 1) { | |
| 3881 // reach the end of the buffer. | |
| 3882 return true; | |
| 3883 } | |
| 3884 } | |
| 3885 p++; | |
| 3886 break; | |
| 3887 } | |
| 3888 default : | |
| 3889 *b++ = '%'; | |
| 3890 } | |
| 3891 } else { | |
| 3892 *b++ = *p++; | |
| 3893 } | |
| 3894 } | |
| 3895 *b = '\0'; | |
| 3896 return (p == src_end); // return false if not all of the source was copied | |
| 3897 } |