Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/arguments.cpp @ 22398:4f6caa445b92
moved JVMCI option parsing back into Java
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 04 Aug 2015 00:47:34 +0200 |
parents | c28cb37b2e1d |
children | 4a532b03e2cd |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, 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" |
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26 #include "classfile/classLoader.hpp" |
1972 | 27 #include "classfile/javaAssertions.hpp" |
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28 #include "classfile/symbolTable.hpp" |
1972 | 29 #include "compiler/compilerOracle.hpp" |
30 #include "memory/allocation.inline.hpp" | |
31 #include "memory/cardTableRS.hpp" | |
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32 #include "memory/genCollectedHeap.hpp" |
1972 | 33 #include "memory/referenceProcessor.hpp" |
34 #include "memory/universe.inline.hpp" | |
35 #include "oops/oop.inline.hpp" | |
36 #include "prims/jvmtiExport.hpp" | |
37 #include "runtime/arguments.hpp" | |
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38 #include "runtime/arguments_ext.hpp" |
1972 | 39 #include "runtime/globals_extension.hpp" |
40 #include "runtime/java.hpp" | |
41 #include "services/management.hpp" | |
6197 | 42 #include "services/memTracker.hpp" |
1972 | 43 #include "utilities/defaultStream.hpp" |
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44 #include "utilities/macros.hpp" |
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45 #include "utilities/stringUtils.hpp" |
1972 | 46 #include "utilities/taskqueue.hpp" |
22298 | 47 #if INCLUDE_JVMCI |
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48 #include "jvmci/jvmciRuntime.hpp" |
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49 #endif |
1972 | 50 #ifdef TARGET_OS_FAMILY_linux |
51 # include "os_linux.inline.hpp" | |
52 #endif | |
53 #ifdef TARGET_OS_FAMILY_solaris | |
54 # include "os_solaris.inline.hpp" | |
55 #endif | |
56 #ifdef TARGET_OS_FAMILY_windows | |
57 # include "os_windows.inline.hpp" | |
58 #endif | |
14411 | 59 #ifdef TARGET_OS_FAMILY_aix |
60 # include "os_aix.inline.hpp" | |
61 #endif | |
3960 | 62 #ifdef TARGET_OS_FAMILY_bsd |
63 # include "os_bsd.inline.hpp" | |
64 #endif | |
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65 #if INCLUDE_ALL_GCS |
1972 | 66 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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67 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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68 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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69 #endif // INCLUDE_ALL_GCS |
0 | 70 |
2474 | 71 // Note: This is a special bug reporting site for the JVM |
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72 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.java.com/bugreport/crash.jsp" |
0 | 73 #define DEFAULT_JAVA_LAUNCHER "generic" |
74 | |
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75 // Disable options not supported in this release, with a warning if they |
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76 // were explicitly requested on the command-line |
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77 #define UNSUPPORTED_OPTION(opt, description) \ |
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78 do { \ |
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79 if (opt) { \ |
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80 if (FLAG_IS_CMDLINE(opt)) { \ |
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81 warning(description " is disabled in this release."); \ |
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82 } \ |
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83 FLAG_SET_DEFAULT(opt, false); \ |
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84 } \ |
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85 } while(0) |
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86 |
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87 #define UNSUPPORTED_GC_OPTION(gc) \ |
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88 do { \ |
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89 if (gc) { \ |
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90 if (FLAG_IS_CMDLINE(gc)) { \ |
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91 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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92 } \ |
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93 FLAG_SET_DEFAULT(gc, false); \ |
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94 } \ |
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95 } while(0) |
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96 |
0 | 97 char** Arguments::_jvm_flags_array = NULL; |
98 int Arguments::_num_jvm_flags = 0; | |
99 char** Arguments::_jvm_args_array = NULL; | |
100 int Arguments::_num_jvm_args = 0; | |
101 char* Arguments::_java_command = NULL; | |
102 SystemProperty* Arguments::_system_properties = NULL; | |
103 const char* Arguments::_gc_log_filename = NULL; | |
104 bool Arguments::_has_profile = false; | |
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105 size_t Arguments::_conservative_max_heap_alignment = 0; |
0 | 106 uintx Arguments::_min_heap_size = 0; |
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107 uintx Arguments::_min_heap_free_ratio = 0; |
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108 uintx Arguments::_max_heap_free_ratio = 0; |
0 | 109 Arguments::Mode Arguments::_mode = _mixed; |
110 bool Arguments::_java_compiler = false; | |
111 bool Arguments::_xdebug_mode = false; | |
112 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
113 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
114 int Arguments::_sun_java_launcher_pid = -1; | |
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115 bool Arguments::_created_by_gamma_launcher = false; |
0 | 116 |
117 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
118 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
119 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
120 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
121 bool Arguments::_ClipInlining = ClipInlining; | |
122 | |
123 char* Arguments::SharedArchivePath = NULL; | |
124 | |
125 AgentLibraryList Arguments::_libraryList; | |
126 AgentLibraryList Arguments::_agentList; | |
127 | |
128 abort_hook_t Arguments::_abort_hook = NULL; | |
129 exit_hook_t Arguments::_exit_hook = NULL; | |
130 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
131 | |
132 | |
133 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
134 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
135 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
136 SystemProperty *Arguments::_java_library_path = NULL; | |
137 SystemProperty *Arguments::_java_home = NULL; | |
138 SystemProperty *Arguments::_java_class_path = NULL; | |
139 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
140 | |
141 char* Arguments::_meta_index_path = NULL; | |
142 char* Arguments::_meta_index_dir = NULL; | |
143 | |
144 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
145 | |
146 static bool match_option(const JavaVMOption *option, const char* name, | |
147 const char** tail) { | |
148 int len = (int)strlen(name); | |
149 if (strncmp(option->optionString, name, len) == 0) { | |
150 *tail = option->optionString + len; | |
151 return true; | |
152 } else { | |
153 return false; | |
154 } | |
155 } | |
156 | |
157 static void logOption(const char* opt) { | |
158 if (PrintVMOptions) { | |
159 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
160 } | |
161 } | |
162 | |
163 // Process java launcher properties. | |
164 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
165 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
166 // Must do this before setting up other system properties, | |
167 // as some of them may depend on launcher type. | |
168 for (int index = 0; index < args->nOptions; index++) { | |
169 const JavaVMOption* option = args->options + index; | |
170 const char* tail; | |
171 | |
172 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
173 process_java_launcher_argument(tail, option->extraInfo); | |
174 continue; | |
175 } | |
176 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
177 _sun_java_launcher_pid = atoi(tail); | |
178 continue; | |
179 } | |
180 } | |
181 } | |
182 | |
183 // Initialize system properties key and value. | |
184 void Arguments::init_system_properties() { | |
185 | |
186 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
187 "Java Virtual Machine Specification", false)); | |
188 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
189 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
190 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
191 | |
192 // following are JVMTI agent writeable properties. | |
193 // Properties values are set to NULL and they are | |
194 // os specific they are initialized in os::init_system_properties_values(). | |
195 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
196 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
197 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
198 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
199 _java_home = new SystemProperty("java.home", NULL, true); | |
200 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
201 | |
202 _java_class_path = new SystemProperty("java.class.path", "", true); | |
203 | |
204 // Add to System Property list. | |
205 PropertyList_add(&_system_properties, _java_ext_dirs); | |
206 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
207 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
208 PropertyList_add(&_system_properties, _java_library_path); | |
209 PropertyList_add(&_system_properties, _java_home); | |
210 PropertyList_add(&_system_properties, _java_class_path); | |
211 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
212 | |
213 // Set OS specific system properties values | |
214 os::init_system_properties_values(); | |
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215 |
22298 | 216 #if INCLUDE_JVMCI |
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217 JVMCIRuntime::parse_properties(&_system_properties); |
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218 #endif |
0 | 219 } |
220 | |
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221 |
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222 // Update/Initialize System properties after JDK version number is known |
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223 void Arguments::init_version_specific_system_properties() { |
1956
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224 enum { bufsz = 16 }; |
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225 char buffer[bufsz]; |
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226 const char* spec_vendor = "Sun Microsystems Inc."; |
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227 uint32_t spec_version = 0; |
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228 |
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229 if (JDK_Version::is_gte_jdk17x_version()) { |
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230 spec_vendor = "Oracle Corporation"; |
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231 spec_version = JDK_Version::current().major_version(); |
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232 } |
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233 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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234 |
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235 PropertyList_add(&_system_properties, |
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236 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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237 PropertyList_add(&_system_properties, |
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238 new SystemProperty("java.vm.specification.version", buffer, false)); |
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239 PropertyList_add(&_system_properties, |
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240 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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241 } |
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242 |
242 | 243 /** |
244 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
245 * When a flag is eliminated, it can be added to this list in order to | |
246 * continue accepting this flag on the command-line, while issuing a warning | |
247 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
248 * limit, we flatly refuse to admit the existence of the flag. This allows | |
249 * a flag to die correctly over JDK releases using HSX. | |
250 */ | |
251 typedef struct { | |
252 const char* name; | |
253 JDK_Version obsoleted_in; // when the flag went away | |
254 JDK_Version accept_until; // which version to start denying the existence | |
255 } ObsoleteFlag; | |
0 | 256 |
242 | 257 static ObsoleteFlag obsolete_jvm_flags[] = { |
258 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
259 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
260 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
261 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
262 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
263 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
264 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
265 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
266 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
267 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
268 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
269 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
270 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
271 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
1064 | 272 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
273 { "DefaultInitialRAMFraction", | |
274 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
1706
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275 { "UseDepthFirstScavengeOrder", |
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276 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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277 { "HandlePromotionFailure", |
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278 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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279 { "MaxLiveObjectEvacuationRatio", |
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280 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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281 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
3251
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282 { "UseParallelOldGCCompacting", |
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283 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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284 { "UseParallelDensePrefixUpdate", |
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285 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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286 { "UseParallelOldGCDensePrefix", |
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287 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
2460 | 288 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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289 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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290 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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292 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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294 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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295 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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298 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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299 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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300 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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301 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
6916 | 302 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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303 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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304 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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305 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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306 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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307 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
17672 | 308 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
20360 | 309 { "AutoShutdownNMT", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
20575 | 310 { "CompilationRepeat", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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311 #ifdef PRODUCT |
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312 { "DesiredMethodLimit", |
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313 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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314 #endif // PRODUCT |
242 | 315 { NULL, JDK_Version(0), JDK_Version(0) } |
316 }; | |
317 | |
318 // Returns true if the flag is obsolete and fits into the range specified | |
319 // for being ignored. In the case that the flag is ignored, the 'version' | |
320 // value is filled in with the version number when the flag became | |
321 // obsolete so that that value can be displayed to the user. | |
322 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
0 | 323 int i = 0; |
242 | 324 assert(version != NULL, "Must provide a version buffer"); |
325 while (obsolete_jvm_flags[i].name != NULL) { | |
326 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
0 | 327 // <flag>=xxx form |
328 // [-|+]<flag> form | |
242 | 329 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
0 | 330 ((s[0] == '+' || s[0] == '-') && |
242 | 331 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
332 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
333 *version = flag_status.obsoleted_in; | |
334 return true; | |
335 } | |
0 | 336 } |
337 i++; | |
338 } | |
339 return false; | |
340 } | |
341 | |
342 // Constructs the system class path (aka boot class path) from the following | |
343 // components, in order: | |
344 // | |
345 // prefix // from -Xbootclasspath/p:... | |
346 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
347 // base // from os::get_system_properties() or -Xbootclasspath= | |
348 // suffix // from -Xbootclasspath/a:... | |
349 // | |
350 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
351 // directories are added to the sysclasspath just before the base. | |
352 // | |
353 // This could be AllStatic, but it isn't needed after argument processing is | |
354 // complete. | |
355 class SysClassPath: public StackObj { | |
356 public: | |
357 SysClassPath(const char* base); | |
358 ~SysClassPath(); | |
359 | |
360 inline void set_base(const char* base); | |
361 inline void add_prefix(const char* prefix); | |
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362 inline void add_suffix_to_prefix(const char* suffix); |
0 | 363 inline void add_suffix(const char* suffix); |
364 inline void reset_path(const char* base); | |
365 | |
366 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
367 // property. Must be called after all command-line arguments have been | |
368 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
369 // combined_path(). | |
370 void expand_endorsed(); | |
371 | |
372 inline const char* get_base() const { return _items[_scp_base]; } | |
373 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
374 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
375 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
376 | |
377 // Combine all the components into a single c-heap-allocated string; caller | |
378 // must free the string if/when no longer needed. | |
379 char* combined_path(); | |
380 | |
381 private: | |
382 // Utility routines. | |
383 static char* add_to_path(const char* path, const char* str, bool prepend); | |
384 static char* add_jars_to_path(char* path, const char* directory); | |
385 | |
386 inline void reset_item_at(int index); | |
387 | |
388 // Array indices for the items that make up the sysclasspath. All except the | |
389 // base are allocated in the C heap and freed by this class. | |
390 enum { | |
391 _scp_prefix, // from -Xbootclasspath/p:... | |
392 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
393 _scp_base, // the default sysclasspath | |
394 _scp_suffix, // from -Xbootclasspath/a:... | |
395 _scp_nitems // the number of items, must be last. | |
396 }; | |
397 | |
398 const char* _items[_scp_nitems]; | |
399 DEBUG_ONLY(bool _expansion_done;) | |
400 }; | |
401 | |
402 SysClassPath::SysClassPath(const char* base) { | |
403 memset(_items, 0, sizeof(_items)); | |
404 _items[_scp_base] = base; | |
405 DEBUG_ONLY(_expansion_done = false;) | |
406 } | |
407 | |
408 SysClassPath::~SysClassPath() { | |
409 // Free everything except the base. | |
410 for (int i = 0; i < _scp_nitems; ++i) { | |
411 if (i != _scp_base) reset_item_at(i); | |
412 } | |
413 DEBUG_ONLY(_expansion_done = false;) | |
414 } | |
415 | |
416 inline void SysClassPath::set_base(const char* base) { | |
417 _items[_scp_base] = base; | |
418 } | |
419 | |
420 inline void SysClassPath::add_prefix(const char* prefix) { | |
421 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
422 } | |
423 | |
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424 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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425 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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426 } |
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427 |
0 | 428 inline void SysClassPath::add_suffix(const char* suffix) { |
429 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
430 } | |
431 | |
432 inline void SysClassPath::reset_item_at(int index) { | |
433 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
434 if (_items[index] != NULL) { | |
6197 | 435 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
0 | 436 _items[index] = NULL; |
437 } | |
438 } | |
439 | |
440 inline void SysClassPath::reset_path(const char* base) { | |
441 // Clear the prefix and suffix. | |
442 reset_item_at(_scp_prefix); | |
443 reset_item_at(_scp_suffix); | |
444 set_base(base); | |
445 } | |
446 | |
447 //------------------------------------------------------------------------------ | |
448 | |
449 void SysClassPath::expand_endorsed() { | |
450 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
451 | |
452 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
453 if (path == NULL) { | |
454 path = Arguments::get_endorsed_dir(); | |
455 assert(path != NULL, "no default for java.endorsed.dirs"); | |
456 } | |
457 | |
458 char* expanded_path = NULL; | |
459 const char separator = *os::path_separator(); | |
460 const char* const end = path + strlen(path); | |
461 while (path < end) { | |
462 const char* tmp_end = strchr(path, separator); | |
463 if (tmp_end == NULL) { | |
464 expanded_path = add_jars_to_path(expanded_path, path); | |
465 path = end; | |
466 } else { | |
6197 | 467 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
0 | 468 memcpy(dirpath, path, tmp_end - path); |
469 dirpath[tmp_end - path] = '\0'; | |
470 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
6197 | 471 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
0 | 472 path = tmp_end + 1; |
473 } | |
474 } | |
475 _items[_scp_endorsed] = expanded_path; | |
476 DEBUG_ONLY(_expansion_done = true;) | |
477 } | |
478 | |
479 // Combine the bootclasspath elements, some of which may be null, into a single | |
480 // c-heap-allocated string. | |
481 char* SysClassPath::combined_path() { | |
482 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
483 assert(_expansion_done, "must call expand_endorsed() first."); | |
484 | |
485 size_t lengths[_scp_nitems]; | |
486 size_t total_len = 0; | |
487 | |
488 const char separator = *os::path_separator(); | |
489 | |
490 // Get the lengths. | |
491 int i; | |
492 for (i = 0; i < _scp_nitems; ++i) { | |
493 if (_items[i] != NULL) { | |
494 lengths[i] = strlen(_items[i]); | |
495 // Include space for the separator char (or a NULL for the last item). | |
496 total_len += lengths[i] + 1; | |
497 } | |
498 } | |
499 assert(total_len > 0, "empty sysclasspath not allowed"); | |
500 | |
501 // Copy the _items to a single string. | |
6197 | 502 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
0 | 503 char* cp_tmp = cp; |
504 for (i = 0; i < _scp_nitems; ++i) { | |
505 if (_items[i] != NULL) { | |
506 memcpy(cp_tmp, _items[i], lengths[i]); | |
507 cp_tmp += lengths[i]; | |
508 *cp_tmp++ = separator; | |
509 } | |
510 } | |
511 *--cp_tmp = '\0'; // Replace the extra separator. | |
512 return cp; | |
513 } | |
514 | |
515 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
516 char* | |
517 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
518 char *cp; | |
519 | |
520 assert(str != NULL, "just checking"); | |
521 if (path == NULL) { | |
522 size_t len = strlen(str) + 1; | |
6197 | 523 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 524 memcpy(cp, str, len); // copy the trailing null |
525 } else { | |
526 const char separator = *os::path_separator(); | |
527 size_t old_len = strlen(path); | |
528 size_t str_len = strlen(str); | |
529 size_t len = old_len + str_len + 2; | |
530 | |
531 if (prepend) { | |
6197 | 532 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 533 char* cp_tmp = cp; |
534 memcpy(cp_tmp, str, str_len); | |
535 cp_tmp += str_len; | |
536 *cp_tmp = separator; | |
537 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
6197 | 538 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
0 | 539 } else { |
6197 | 540 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
0 | 541 char* cp_tmp = cp + old_len; |
542 *cp_tmp = separator; | |
543 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
544 } | |
545 } | |
546 return cp; | |
547 } | |
548 | |
549 // Scan the directory and append any jar or zip files found to path. | |
550 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
551 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
552 DIR* dir = os::opendir(directory); | |
553 if (dir == NULL) return path; | |
554 | |
555 char dir_sep[2] = { '\0', '\0' }; | |
556 size_t directory_len = strlen(directory); | |
557 const char fileSep = *os::file_separator(); | |
558 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
559 | |
560 /* Scan the directory for jars/zips, appending them to path. */ | |
561 struct dirent *entry; | |
6197 | 562 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
0 | 563 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
564 const char* name = entry->d_name; | |
565 const char* ext = name + strlen(name) - 4; | |
566 bool isJarOrZip = ext > name && | |
567 (os::file_name_strcmp(ext, ".jar") == 0 || | |
568 os::file_name_strcmp(ext, ".zip") == 0); | |
569 if (isJarOrZip) { | |
6197 | 570 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
0 | 571 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
572 path = add_to_path(path, jarpath, false); | |
6197 | 573 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
0 | 574 } |
575 } | |
6197 | 576 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
0 | 577 os::closedir(dir); |
578 return path; | |
579 } | |
580 | |
581 // Parses a memory size specification string. | |
489
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582 static bool atomull(const char *s, julong* result) { |
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583 julong n = 0; |
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584 int args_read = sscanf(s, JULONG_FORMAT, &n); |
0 | 585 if (args_read != 1) { |
586 return false; | |
587 } | |
588 while (*s != '\0' && isdigit(*s)) { | |
589 s++; | |
590 } | |
591 // 4705540: illegal if more characters are found after the first non-digit | |
592 if (strlen(s) > 1) { | |
593 return false; | |
594 } | |
595 switch (*s) { | |
596 case 'T': case 't': | |
597 *result = n * G * K; | |
489
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598 // Check for overflow. |
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599 if (*result/((julong)G * K) != n) return false; |
0 | 600 return true; |
601 case 'G': case 'g': | |
602 *result = n * G; | |
489
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603 if (*result/G != n) return false; |
0 | 604 return true; |
605 case 'M': case 'm': | |
606 *result = n * M; | |
489
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607 if (*result/M != n) return false; |
0 | 608 return true; |
609 case 'K': case 'k': | |
610 *result = n * K; | |
489
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611 if (*result/K != n) return false; |
0 | 612 return true; |
613 case '\0': | |
614 *result = n; | |
615 return true; | |
616 default: | |
617 return false; | |
618 } | |
619 } | |
620 | |
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621 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
0 | 622 if (size < min_size) return arg_too_small; |
623 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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624 if (size > max_uintx) return arg_too_big; |
0 | 625 return arg_in_range; |
626 } | |
627 | |
628 // Describe an argument out of range error | |
629 void Arguments::describe_range_error(ArgsRange errcode) { | |
630 switch(errcode) { | |
631 case arg_too_big: | |
632 jio_fprintf(defaultStream::error_stream(), | |
633 "The specified size exceeds the maximum " | |
634 "representable size.\n"); | |
635 break; | |
636 case arg_too_small: | |
637 case arg_unreadable: | |
638 case arg_in_range: | |
639 // do nothing for now | |
640 break; | |
641 default: | |
642 ShouldNotReachHere(); | |
643 } | |
644 } | |
645 | |
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646 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
0 | 647 return CommandLineFlags::boolAtPut(name, &value, origin); |
648 } | |
649 | |
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650 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
0 | 651 double v; |
652 if (sscanf(value, "%lf", &v) != 1) { | |
653 return false; | |
654 } | |
655 | |
656 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
657 return true; | |
658 } | |
659 return false; | |
660 } | |
661 | |
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662 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
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663 julong v; |
0 | 664 intx intx_v; |
665 bool is_neg = false; | |
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666 // Check the sign first since atomull() parses only unsigned values. |
0 | 667 if (*value == '-') { |
668 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
669 return false; | |
670 } | |
671 value++; | |
672 is_neg = true; | |
673 } | |
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674 if (!atomull(value, &v)) { |
0 | 675 return false; |
676 } | |
677 intx_v = (intx) v; | |
678 if (is_neg) { | |
679 intx_v = -intx_v; | |
680 } | |
681 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
682 return true; | |
683 } | |
684 uintx uintx_v = (uintx) v; | |
685 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
686 return true; | |
687 } | |
1064 | 688 uint64_t uint64_t_v = (uint64_t) v; |
689 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
690 return true; | |
691 } | |
0 | 692 return false; |
693 } | |
694 | |
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695 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
0 | 696 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
697 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 698 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 699 return true; |
700 } | |
701 | |
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702 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
0 | 703 const char* old_value = ""; |
704 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
705 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
706 size_t new_len = strlen(new_value); | |
707 const char* value; | |
708 char* free_this_too = NULL; | |
709 if (old_len == 0) { | |
710 value = new_value; | |
711 } else if (new_len == 0) { | |
712 value = old_value; | |
713 } else { | |
6197 | 714 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
0 | 715 // each new setting adds another LINE to the switch: |
716 sprintf(buf, "%s\n%s", old_value, new_value); | |
717 value = buf; | |
718 free_this_too = buf; | |
719 } | |
720 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
721 // CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 722 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 723 if (free_this_too != NULL) { |
724 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
6197 | 725 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
0 | 726 } |
727 return true; | |
728 } | |
729 | |
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730 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
0 | 731 |
732 // range of acceptable characters spelled out for portability reasons | |
733 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
734 #define BUFLEN 255 | |
735 char name[BUFLEN+1]; | |
736 char dummy; | |
737 | |
738 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
739 return set_bool_flag(name, false, origin); | |
740 } | |
741 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
742 return set_bool_flag(name, true, origin); | |
743 } | |
744 | |
745 char punct; | |
746 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
747 const char* value = strchr(arg, '=') + 1; | |
748 Flag* flag = Flag::find_flag(name, strlen(name)); | |
749 if (flag != NULL && flag->is_ccstr()) { | |
750 if (flag->ccstr_accumulates()) { | |
751 return append_to_string_flag(name, value, origin); | |
752 } else { | |
753 if (value[0] == '\0') { | |
754 value = NULL; | |
755 } | |
756 return set_string_flag(name, value, origin); | |
757 } | |
758 } | |
759 } | |
760 | |
761 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
762 const char* value = strchr(arg, '=') + 1; | |
763 // -XX:Foo:=xxx will reset the string flag to the given value. | |
764 if (value[0] == '\0') { | |
765 value = NULL; | |
766 } | |
767 return set_string_flag(name, value, origin); | |
768 } | |
769 | |
770 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
771 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
772 #define NUMBER_RANGE "[0123456789]" | |
773 char value[BUFLEN + 1]; | |
774 char value2[BUFLEN + 1]; | |
775 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
776 // Looks like a floating-point number -- try again with more lenient format string | |
777 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
778 return set_fp_numeric_flag(name, value, origin); | |
779 } | |
780 } | |
781 | |
782 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
783 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
784 return set_numeric_flag(name, value, origin); | |
785 } | |
786 | |
787 return false; | |
788 } | |
789 | |
790 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
791 assert(bldarray != NULL, "illegal argument"); | |
792 | |
793 if (arg == NULL) { | |
794 return; | |
795 } | |
796 | |
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797 int new_count = *count + 1; |
0 | 798 |
799 // expand the array and add arg to the last element | |
800 if (*bldarray == NULL) { | |
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801 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
0 | 802 } else { |
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803 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
0 | 804 } |
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805 (*bldarray)[*count] = strdup(arg); |
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806 *count = new_count; |
0 | 807 } |
808 | |
809 void Arguments::build_jvm_args(const char* arg) { | |
810 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
811 } | |
812 | |
813 void Arguments::build_jvm_flags(const char* arg) { | |
814 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
815 } | |
816 | |
817 // utility function to return a string that concatenates all | |
818 // strings in a given char** array | |
819 const char* Arguments::build_resource_string(char** args, int count) { | |
820 if (args == NULL || count == 0) { | |
821 return NULL; | |
822 } | |
823 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
824 for (int i = 1; i < count; i++) { | |
825 length += strlen(args[i]) + 1; // add 1 for a space | |
826 } | |
827 char* s = NEW_RESOURCE_ARRAY(char, length); | |
828 strcpy(s, args[0]); | |
829 for (int j = 1; j < count; j++) { | |
830 strcat(s, " "); | |
831 strcat(s, args[j]); | |
832 } | |
833 return (const char*) s; | |
834 } | |
835 | |
836 void Arguments::print_on(outputStream* st) { | |
837 st->print_cr("VM Arguments:"); | |
838 if (num_jvm_flags() > 0) { | |
839 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
840 } | |
841 if (num_jvm_args() > 0) { | |
842 st->print("jvm_args: "); print_jvm_args_on(st); | |
843 } | |
844 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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845 if (_java_class_path != NULL) { |
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846 char* path = _java_class_path->value(); |
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847 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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848 } |
0 | 849 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
850 } | |
851 | |
852 void Arguments::print_jvm_flags_on(outputStream* st) { | |
853 if (_num_jvm_flags > 0) { | |
854 for (int i=0; i < _num_jvm_flags; i++) { | |
855 st->print("%s ", _jvm_flags_array[i]); | |
856 } | |
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857 st->cr(); |
0 | 858 } |
859 } | |
860 | |
861 void Arguments::print_jvm_args_on(outputStream* st) { | |
862 if (_num_jvm_args > 0) { | |
863 for (int i=0; i < _num_jvm_args; i++) { | |
864 st->print("%s ", _jvm_args_array[i]); | |
865 } | |
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866 st->cr(); |
0 | 867 } |
868 } | |
869 | |
242 | 870 bool Arguments::process_argument(const char* arg, |
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871 jboolean ignore_unrecognized, Flag::Flags origin) { |
242 | 872 |
873 JDK_Version since = JDK_Version(); | |
0 | 874 |
3250 | 875 if (parse_argument(arg, origin) || ignore_unrecognized) { |
876 return true; | |
0 | 877 } |
3250 | 878 |
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879 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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880 const char* const argname = has_plus_minus ? arg + 1 : arg; |
3250 | 881 if (is_newly_obsolete(arg, &since)) { |
882 char version[256]; | |
883 since.to_string(version, sizeof(version)); | |
884 warning("ignoring option %s; support was removed in %s", argname, version); | |
885 return true; | |
886 } | |
887 | |
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888 // For locked flags, report a custom error message if available. |
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889 // Otherwise, report the standard unrecognized VM option. |
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890 |
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891 size_t arg_len; |
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892 const char* equal_sign = strchr(argname, '='); |
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893 if (equal_sign == NULL) { |
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894 arg_len = strlen(argname); |
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895 } else { |
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896 arg_len = equal_sign - argname; |
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897 } |
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898 |
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899 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
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900 if (found_flag != NULL) { |
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901 char locked_message_buf[BUFLEN]; |
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902 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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903 if (strlen(locked_message_buf) == 0) { |
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904 if (found_flag->is_bool() && !has_plus_minus) { |
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905 jio_fprintf(defaultStream::error_stream(), |
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906 "Missing +/- setting for VM option '%s'\n", argname); |
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907 } else if (!found_flag->is_bool() && has_plus_minus) { |
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908 jio_fprintf(defaultStream::error_stream(), |
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909 "Unexpected +/- setting in VM option '%s'\n", argname); |
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910 } else { |
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911 jio_fprintf(defaultStream::error_stream(), |
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912 "Improperly specified VM option '%s'\n", argname); |
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913 } |
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914 } else { |
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915 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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916 } |
6017 | 917 } else { |
918 jio_fprintf(defaultStream::error_stream(), | |
919 "Unrecognized VM option '%s'\n", argname); | |
11070 | 920 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
921 if (fuzzy_matched != NULL) { | |
922 jio_fprintf(defaultStream::error_stream(), | |
923 "Did you mean '%s%s%s'?\n", | |
924 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
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925 fuzzy_matched->_name, |
11070 | 926 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
927 } | |
5947
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928 } |
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929 |
3250 | 930 // allow for commandline "commenting out" options like -XX:#+Verbose |
931 return arg[0] == '#'; | |
0 | 932 } |
933 | |
934 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
935 FILE* stream = fopen(file_name, "rb"); | |
936 if (stream == NULL) { | |
937 if (should_exist) { | |
938 jio_fprintf(defaultStream::error_stream(), | |
939 "Could not open settings file %s\n", file_name); | |
940 return false; | |
941 } else { | |
942 return true; | |
943 } | |
944 } | |
945 | |
946 char token[1024]; | |
947 int pos = 0; | |
948 | |
949 bool in_white_space = true; | |
950 bool in_comment = false; | |
951 bool in_quote = false; | |
952 char quote_c = 0; | |
953 bool result = true; | |
954 | |
955 int c = getc(stream); | |
6901 | 956 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
0 | 957 if (in_white_space) { |
958 if (in_comment) { | |
959 if (c == '\n') in_comment = false; | |
960 } else { | |
961 if (c == '#') in_comment = true; | |
962 else if (!isspace(c)) { | |
963 in_white_space = false; | |
964 token[pos++] = c; | |
965 } | |
966 } | |
967 } else { | |
968 if (c == '\n' || (!in_quote && isspace(c))) { | |
969 // token ends at newline, or at unquoted whitespace | |
970 // this allows a way to include spaces in string-valued options | |
971 token[pos] = '\0'; | |
972 logOption(token); | |
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973 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 974 build_jvm_flags(token); |
975 pos = 0; | |
976 in_white_space = true; | |
977 in_quote = false; | |
978 } else if (!in_quote && (c == '\'' || c == '"')) { | |
979 in_quote = true; | |
980 quote_c = c; | |
981 } else if (in_quote && (c == quote_c)) { | |
982 in_quote = false; | |
983 } else { | |
984 token[pos++] = c; | |
985 } | |
986 } | |
987 c = getc(stream); | |
988 } | |
989 if (pos > 0) { | |
990 token[pos] = '\0'; | |
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991 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 992 build_jvm_flags(token); |
993 } | |
994 fclose(stream); | |
995 return result; | |
996 } | |
997 | |
998 //============================================================================================================= | |
999 // Parsing of properties (-D) | |
1000 | |
1001 const char* Arguments::get_property(const char* key) { | |
1002 return PropertyList_get_value(system_properties(), key); | |
1003 } | |
1004 | |
1005 bool Arguments::add_property(const char* prop) { | |
1006 const char* eq = strchr(prop, '='); | |
1007 char* key; | |
1008 // ns must be static--its address may be stored in a SystemProperty object. | |
1009 const static char ns[1] = {0}; | |
1010 char* value = (char *)ns; | |
1011 | |
1012 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
6197 | 1013 key = AllocateHeap(key_len + 1, mtInternal); |
0 | 1014 strncpy(key, prop, key_len); |
1015 key[key_len] = '\0'; | |
1016 | |
1017 if (eq != NULL) { | |
1018 size_t value_len = strlen(prop) - key_len - 1; | |
6197 | 1019 value = AllocateHeap(value_len + 1, mtInternal); |
0 | 1020 strncpy(value, &prop[key_len + 1], value_len + 1); |
1021 } | |
1022 | |
1023 if (strcmp(key, "java.compiler") == 0) { | |
1024 process_java_compiler_argument(value); | |
1025 FreeHeap(key); | |
1026 if (eq != NULL) { | |
1027 FreeHeap(value); | |
1028 } | |
1029 return true; | |
691 | 1030 } else if (strcmp(key, "sun.java.command") == 0) { |
0 | 1031 _java_command = value; |
1032 | |
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1033 // Record value in Arguments, but let it get passed to Java. |
691 | 1034 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
0 | 1035 // launcher.pid property is private and is processed |
1036 // in process_sun_java_launcher_properties(); | |
1037 // the sun.java.launcher property is passed on to the java application | |
1038 FreeHeap(key); | |
1039 if (eq != NULL) { | |
1040 FreeHeap(value); | |
1041 } | |
1042 return true; | |
691 | 1043 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
0 | 1044 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
1045 // its value without going through the property list or making a Java call. | |
1046 _java_vendor_url_bug = value; | |
691 | 1047 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
1048 PropertyList_unique_add(&_system_properties, key, value, true); | |
1049 return true; | |
0 | 1050 } |
1051 // Create new property and add at the end of the list | |
1052 PropertyList_unique_add(&_system_properties, key, value); | |
1053 return true; | |
1054 } | |
1055 | |
1056 //=========================================================================================================== | |
1057 // Setting int/mixed/comp mode flags | |
1058 | |
1059 void Arguments::set_mode_flags(Mode mode) { | |
1060 // Set up default values for all flags. | |
1061 // If you add a flag to any of the branches below, | |
1062 // add a default value for it here. | |
1063 set_java_compiler(false); | |
1064 _mode = mode; | |
1065 | |
1066 // Ensure Agent_OnLoad has the correct initial values. | |
1067 // This may not be the final mode; mode may change later in onload phase. | |
1068 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1069 (char*)VM_Version::vm_info_string(), false); |
0 | 1070 |
1071 UseInterpreter = true; | |
1072 UseCompiler = true; | |
1073 UseLoopCounter = true; | |
1074 | |
2458
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1075 #ifndef ZERO |
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1076 // Turn these off for mixed and comp. Leave them on for Zero. |
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1077 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
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1078 UseFastAccessorMethods = (mode == _int); |
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1079 } |
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1080 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1081 UseFastEmptyMethods = (mode == _int); |
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1082 } |
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1083 #endif |
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1084 |
0 | 1085 // Default values may be platform/compiler dependent - |
1086 // use the saved values | |
1087 ClipInlining = Arguments::_ClipInlining; | |
1088 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
1089 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
1090 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
1091 | |
1092 // Change from defaults based on mode | |
1093 switch (mode) { | |
1094 default: | |
1095 ShouldNotReachHere(); | |
1096 break; | |
1097 case _int: | |
1098 UseCompiler = false; | |
1099 UseLoopCounter = false; | |
1100 AlwaysCompileLoopMethods = false; | |
1101 UseOnStackReplacement = false; | |
1102 break; | |
1103 case _mixed: | |
1104 // same as default | |
1105 break; | |
1106 case _comp: | |
1107 UseInterpreter = false; | |
1108 BackgroundCompilation = false; | |
1109 ClipInlining = false; | |
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1110 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1111 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1112 // compile a level 4 (C2) and then continue executing it. |
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1113 if (TieredCompilation) { |
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1114 Tier3InvokeNotifyFreqLog = 0; |
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1115 Tier4InvocationThreshold = 0; |
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1116 } |
0 | 1117 break; |
1118 } | |
1119 } | |
1120 | |
22298 | 1121 #if defined(COMPILER2) || INCLUDE_JVMCI || defined(_LP64) || !INCLUDE_CDS |
0 | 1122 // Conflict: required to use shared spaces (-Xshare:on), but |
1123 // incompatible command line options were chosen. | |
1124 | |
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1125 static void no_shared_spaces(const char* message) { |
0 | 1126 if (RequireSharedSpaces) { |
1127 jio_fprintf(defaultStream::error_stream(), | |
1128 "Class data sharing is inconsistent with other specified options.\n"); | |
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1129 vm_exit_during_initialization("Unable to use shared archive.", message); |
0 | 1130 } else { |
1131 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
1132 } | |
1133 } | |
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1134 #endif |
0 | 1135 |
1783 | 1136 void Arguments::set_tiered_flags() { |
2348
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1137 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
1783 | 1138 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
2348
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1139 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
1783 | 1140 } |
1141 if (CompilationPolicyChoice < 2) { | |
1142 vm_exit_during_initialization( | |
1143 "Incompatible compilation policy selected", NULL); | |
1144 } | |
1891
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1145 // Increase the code cache size - tiered compiles a lot more. |
1783 | 1146 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
8043
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1147 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
1783 | 1148 } |
10278 | 1149 if (!UseInterpreter) { // -Xcomp |
1150 Tier3InvokeNotifyFreqLog = 0; | |
1151 Tier4InvocationThreshold = 0; | |
1152 } | |
1783 | 1153 } |
1154 | |
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1155 /** |
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1156 * Returns the minimum number of compiler threads needed to run the JVM. The following |
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1157 * configurations are possible. |
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1158 * |
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1159 * 1) The JVM is build using an interpreter only. As a result, the minimum number of |
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1160 * compiler threads is 0. |
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1161 * 2) The JVM is build using the compiler(s) and tiered compilation is disabled. As |
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1162 * a result, either C1 or C2 is used, so the minimum number of compiler threads is 1. |
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1163 * 3) The JVM is build using the compiler(s) and tiered compilation is enabled. However, |
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1164 * the option "TieredStopAtLevel < CompLevel_full_optimization". As a result, only |
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1165 * C1 can be used, so the minimum number of compiler threads is 1. |
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1166 * 4) The JVM is build using the compilers and tiered compilation is enabled. The option |
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1167 * 'TieredStopAtLevel = CompLevel_full_optimization' (the default value). As a result, |
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1168 * the minimum number of compiler threads is 2. |
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1169 */ |
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|
1170 int Arguments::get_min_number_of_compiler_threads() { |
21559
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1171 #if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) && !defined(COMPILERJVMCI) |
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1172 return 0; // case 1 |
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1173 #else |
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1174 if (!TieredCompilation || (TieredStopAtLevel < CompLevel_full_optimization)) { |
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1175 return 1; // case 2 or case 3 |
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|
1176 } |
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1177 return 2; // case 4 (tiered) |
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1178 #endif |
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1179 } |
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1180 |
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|
1181 #if INCLUDE_ALL_GCS |
4838 | 1182 static void disable_adaptive_size_policy(const char* collector_name) { |
1183 if (UseAdaptiveSizePolicy) { | |
1184 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
1185 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
1186 collector_name); | |
1187 } | |
1188 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
1189 } | |
1190 } | |
1191 | |
0 | 1192 void Arguments::set_parnew_gc_flags() { |
1064 | 1193 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
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1194 "control point invariant"); |
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1195 assert(UseParNewGC, "Error"); |
0 | 1196 |
4838 | 1197 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
1198 disable_adaptive_size_policy("UseParNewGC"); | |
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|
1199 |
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1200 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1201 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1202 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1203 } else if (ParallelGCThreads == 0) { |
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1204 jio_fprintf(defaultStream::error_stream(), |
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1205 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1206 vm_exit(1); |
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1207 } |
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1208 |
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1209 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1210 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1211 // we set them to 1024 and 1024. |
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1212 // See CR 6362902. |
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1213 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1214 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
0 | 1215 } |
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1216 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1217 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1218 } |
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1219 |
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1220 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1221 // See CR 6362902. |
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1222 if (AlwaysTenure) { |
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1223 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1224 } |
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1225 // When using compressed oops, we use local overflow stacks, |
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1226 // rather than using a global overflow list chained through |
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1227 // the klass word of the object's pre-image. |
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1228 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1229 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1230 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
0 | 1231 } |
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1232 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
0 | 1233 } |
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1234 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
0 | 1235 } |
1236 | |
1237 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
1238 // sparc/solaris for certain applications, but would gain from | |
1239 // further optimization and tuning efforts, and would almost | |
1240 // certainly gain from analysis of platform and environment. | |
1241 void Arguments::set_cms_and_parnew_gc_flags() { | |
1064 | 1242 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
10
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1243 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1244 |
0 | 1245 // If we are using CMS, we prefer to UseParNewGC, |
1246 // unless explicitly forbidden. | |
342
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1247 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
10
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1248 FLAG_SET_ERGO(bool, UseParNewGC, true); |
0 | 1249 } |
1250 | |
6854
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1251 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
4838 | 1252 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
0 | 1253 |
1254 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
1255 // as needed. | |
10
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1256 if (UseParNewGC) { |
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1257 set_parnew_gc_flags(); |
0 | 1258 } |
1259 | |
2368
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1260 size_t max_heap = align_size_down(MaxHeapSize, |
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1261 CardTableRS::ct_max_alignment_constraint()); |
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1262 |
0 | 1263 // Now make adjustments for CMS |
2368
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1264 intx tenuring_default = (intx)6; |
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1265 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1266 |
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1267 // Preferred young gen size for "short" pauses: |
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1268 // upper bound depends on # of threads and NewRatio. |
0 | 1269 const uintx parallel_gc_threads = |
1270 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
1271 const size_t preferred_max_new_size_unaligned = | |
2368
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1272 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1273 size_t preferred_max_new_size = |
0 | 1274 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1275 | |
1276 // Unless explicitly requested otherwise, size young gen | |
2368
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1277 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
886
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1278 |
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1279 // If either MaxNewSize or NewRatio is set on the command line, |
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1280 // assume the user is trying to set the size of the young gen. |
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1281 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1282 |
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1283 // Set MaxNewSize to our calculated preferred_max_new_size unless |
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1284 // NewSize was set on the command line and it is larger than |
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1285 // preferred_max_new_size. |
0 | 1286 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
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1287 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
0 | 1288 } else { |
13
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1289 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
0 | 1290 } |
1064 | 1291 if (PrintGCDetails && Verbose) { |
13
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1292 // Too early to use gclog_or_tty |
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1293 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
886
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1294 } |
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1295 |
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1296 // Code along this path potentially sets NewSize and OldSize |
1064 | 1297 if (PrintGCDetails && Verbose) { |
13
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1298 // Too early to use gclog_or_tty |
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1299 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1300 " initial_heap_size: " SIZE_FORMAT |
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1301 " max_heap: " SIZE_FORMAT, |
1064 | 1302 min_heap_size(), InitialHeapSize, max_heap); |
13
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1303 } |
2368
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1304 size_t min_new = preferred_max_new_size; |
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1305 if (FLAG_IS_CMDLINE(NewSize)) { |
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1306 min_new = NewSize; |
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1307 } |
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1308 if (max_heap > min_new && min_heap_size() > min_new) { |
0 | 1309 // Unless explicitly requested otherwise, make young gen |
1310 // at least min_new, and at most preferred_max_new_size. | |
1311 if (FLAG_IS_DEFAULT(NewSize)) { | |
13
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1312 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1313 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
1064 | 1314 if (PrintGCDetails && Verbose) { |
13
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1315 // Too early to use gclog_or_tty |
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1316 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
13
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1317 } |
0 | 1318 } |
1319 // Unless explicitly requested otherwise, size old gen | |
2368
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1320 // so it's NewRatio x of NewSize. |
0 | 1321 if (FLAG_IS_DEFAULT(OldSize)) { |
1322 if (max_heap > NewSize) { | |
2368
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1323 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
1064 | 1324 if (PrintGCDetails && Verbose) { |
13
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1325 // Too early to use gclog_or_tty |
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1326 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
13
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1327 } |
0 | 1328 } |
1329 } | |
1330 } | |
1331 } | |
1332 // Unless explicitly requested otherwise, definitely | |
1333 // promote all objects surviving "tenuring_default" scavenges. | |
1334 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
1335 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
6818 | 1336 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
0 | 1337 } |
1338 // If we decided above (or user explicitly requested) | |
1339 // `promote all' (via MaxTenuringThreshold := 0), | |
1340 // prefer minuscule survivor spaces so as not to waste | |
1341 // space for (non-existent) survivors | |
1342 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
8035 | 1343 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
0 | 1344 } |
1345 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
1346 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
1347 // This is done in order to make ParNew+CMS configuration to work | |
1348 // with YoungPLABSize and OldPLABSize options. | |
1349 // See CR 6362902. | |
1350 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
1351 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
13
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1352 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1353 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
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1354 // the value (either from the command line or ergonomics) of |
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1355 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1356 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
1145
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1357 } else { |
0 | 1358 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1359 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
1360 // we'll let it to take precedence. | |
1361 jio_fprintf(defaultStream::error_stream(), | |
886
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1362 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1363 " options are specified for the CMS collector." |
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1364 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
0 | 1365 } |
1366 } | |
1145
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1367 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
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1368 // OldPLAB sizing manually turned off: Use a larger default setting, |
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1369 // unless it was manually specified. This is because a too-low value |
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1370 // will slow down scavenges. |
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1371 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1372 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1373 } |
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1374 } |
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1375 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1376 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
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1377 // If either of the static initialization defaults have changed, note this |
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diff
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|
1378 // modification. |
e018e6884bd8
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diff
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|
1379 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
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|
1380 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
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|
1381 } |
1284 | 1382 if (PrintGCDetails && Verbose) { |
1383 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
17937
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diff
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|
1384 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
78bbf4d43a14
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|
1385 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
1284 | 1386 } |
0 | 1387 } |
8001
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jprovino
parents:
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diff
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|
1388 #endif // INCLUDE_ALL_GCS |
0 | 1389 |
1571
2d127394260e
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|
1390 void set_object_alignment() { |
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|
1391 // Object alignment. |
2d127394260e
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|
1392 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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|
1393 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
2d127394260e
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diff
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|
1394 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
2d127394260e
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parents:
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|
1395 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
2d127394260e
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parents:
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|
1396 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
2d127394260e
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parents:
1506
diff
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|
1397 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
2d127394260e
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changeset
|
1398 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
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|
1399 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
2d127394260e
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parents:
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diff
changeset
|
1400 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
2d127394260e
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kvn
parents:
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|
1401 |
2d127394260e
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kvn
parents:
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|
1402 // Oop encoding heap max |
2d127394260e
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kvn
parents:
1506
diff
changeset
|
1403 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
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parents:
1506
diff
changeset
|
1404 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
1405 #if INCLUDE_ALL_GCS |
1571
2d127394260e
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kvn
parents:
1506
diff
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|
1406 // Set CMS global values |
2d127394260e
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kvn
parents:
1506
diff
changeset
|
1407 CompactibleFreeListSpace::set_cms_values(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
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diff
changeset
|
1408 #endif // INCLUDE_ALL_GCS |
1571
2d127394260e
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parents:
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diff
changeset
|
1409 } |
2d127394260e
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parents:
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diff
changeset
|
1410 |
2d127394260e
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parents:
1506
diff
changeset
|
1411 bool verify_object_alignment() { |
2d127394260e
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kvn
parents:
1506
diff
changeset
|
1412 // Object alignment. |
2d127394260e
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kvn
parents:
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diff
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|
1413 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
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parents:
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|
1414 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1415 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1416 (int)ObjectAlignmentInBytes); |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1417 return false; |
2d127394260e
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kvn
parents:
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diff
changeset
|
1418 } |
2d127394260e
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kvn
parents:
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diff
changeset
|
1419 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1420 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1421 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1422 (int)ObjectAlignmentInBytes, BytesPerLong); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1423 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1424 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1425 // It does not make sense to have big object alignment |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1426 // since a space lost due to alignment will be greater |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1427 // then a saved space from compressed oops. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1428 if ((int)ObjectAlignmentInBytes > 256) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1429 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7458
diff
changeset
|
1430 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1431 (int)ObjectAlignmentInBytes); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1432 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1433 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1434 // In case page size is very small. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1435 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1436 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7458
diff
changeset
|
1437 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1438 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1439 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1440 } |
20317
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1441 if(SurvivorAlignmentInBytes == 0) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1442 SurvivorAlignmentInBytes = ObjectAlignmentInBytes; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1443 } else { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1444 if (!is_power_of_2(SurvivorAlignmentInBytes)) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1445 jio_fprintf(defaultStream::error_stream(), |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1446 "error: SurvivorAlignmentInBytes=%d must be power of 2\n", |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1447 (int)SurvivorAlignmentInBytes); |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1448 return false; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1449 } |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1450 if (SurvivorAlignmentInBytes < ObjectAlignmentInBytes) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1451 jio_fprintf(defaultStream::error_stream(), |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1452 "error: SurvivorAlignmentInBytes=%d must be greater than ObjectAlignmentInBytes=%d \n", |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1453 (int)SurvivorAlignmentInBytes, (int)ObjectAlignmentInBytes); |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1454 return false; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1455 } |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
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diff
changeset
|
1456 } |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
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diff
changeset
|
1457 return true; |
2d127394260e
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kvn
parents:
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diff
changeset
|
1458 } |
2d127394260e
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kvn
parents:
1506
diff
changeset
|
1459 |
20220
d15367d92f0d
8043723: max_heap_for_compressed_oops() declared with size_t, but defined with uintx
tschatzl
parents:
17937
diff
changeset
|
1460 size_t Arguments::max_heap_for_compressed_oops() { |
1963 | 1461 // Avoid sign flip. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1462 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1463 // We need to fit both the NULL page and the heap into the memory budget, while |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1464 // keeping alignment constraints of the heap. To guarantee the latter, as the |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1465 // NULL page is located before the heap, we pad the NULL page to the conservative |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1466 // maximum alignment that the GC may ever impose upon the heap. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1467 size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
1468 _conservative_max_heap_alignment); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1469 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1470 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
1064 | 1471 NOT_LP64(ShouldNotReachHere(); return 0); |
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1472 } |
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1473 |
0 | 1474 bool Arguments::should_auto_select_low_pause_collector() { |
1475 if (UseAutoGCSelectPolicy && | |
1476 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
1477 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
1478 if (PrintGCDetails) { | |
1479 // Cannot use gclog_or_tty yet. | |
1480 tty->print_cr("Automatic selection of the low pause collector" | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1481 " based on pause goal of %d (ms)", (int) MaxGCPauseMillis); |
0 | 1482 } |
1483 return true; | |
1484 } | |
1485 return false; | |
1486 } | |
1487 | |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1488 void Arguments::set_use_compressed_oops() { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1489 #ifndef ZERO |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1490 #ifdef _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1491 // MaxHeapSize is not set up properly at this point, but |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1492 // the only value that can override MaxHeapSize if we are |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1493 // to use UseCompressedOops is InitialHeapSize. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1494 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
1495 // Set default on jvmci with sparc to not use compressed oops as long they are not implemented |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1496 if (max_heap_size <= max_heap_for_compressed_oops()) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1497 #if !defined(COMPILER1) || defined(TIERED) |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1498 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1499 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1500 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1501 #endif |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1502 #ifdef _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1503 if (UseLargePages && UseCompressedOops) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1504 // Cannot allocate guard pages for implicit checks in indexed addressing |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1505 // mode, when large pages are specified on windows. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1506 // This flag could be switched ON if narrow oop base address is set to 0, |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1507 // see code in Universe::initialize_heap(). |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1508 Universe::set_narrow_oop_use_implicit_null_checks(false); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1509 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1510 #endif // _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
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diff
changeset
|
1511 } else { |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
changeset
|
1512 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1513 warning("Max heap size too large for Compressed Oops"); |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
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|
1514 FLAG_SET_DEFAULT(UseCompressedOops, false); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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12182
diff
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|
1515 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
8741
eac371996b44
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diff
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|
1516 } |
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diff
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|
1517 } |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
changeset
|
1518 #endif // _LP64 |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1519 #endif // ZERO |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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8734
diff
changeset
|
1520 } |
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diff
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|
1521 |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1522 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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diff
changeset
|
1523 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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diff
changeset
|
1524 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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diff
changeset
|
1525 void Arguments::set_use_compressed_klass_ptrs() { |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1526 #ifndef ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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12003
diff
changeset
|
1527 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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12182
diff
changeset
|
1528 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
12056
740e263c80c6
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hseigel
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12003
diff
changeset
|
1529 if (!UseCompressedOops) { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1530 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1531 warning("UseCompressedClassPointers requires UseCompressedOops"); |
12056
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diff
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|
1532 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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12182
diff
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|
1533 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
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diff
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|
1534 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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parents:
12182
diff
changeset
|
1535 // Turn on UseCompressedClassPointers too |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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parents:
12182
diff
changeset
|
1536 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
7944aba7ba41
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12182
diff
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|
1537 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
12056
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|
1538 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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12182
diff
changeset
|
1539 // Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1540 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1541 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1542 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1543 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
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hseigel
parents:
12003
diff
changeset
|
1544 } |
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hseigel
parents:
12003
diff
changeset
|
1545 } |
740e263c80c6
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hseigel
parents:
12003
diff
changeset
|
1546 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1547 #endif // _LP64 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1548 #endif // !ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1549 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1550 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1551 void Arguments::set_conservative_max_heap_alignment() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1552 // The conservative maximum required alignment for the heap is the maximum of |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
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|
1553 // the alignments imposed by several sources: any requirements from the heap |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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12226
diff
changeset
|
1554 // itself, the collector policy and the maximum page size we may run the VM |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1555 // with. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1556 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1557 #if INCLUDE_ALL_GCS |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
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diff
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|
1558 if (UseParallelGC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
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diff
changeset
|
1559 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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diff
changeset
|
1560 } else if (UseG1GC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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diff
changeset
|
1561 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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12226
diff
changeset
|
1562 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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12226
diff
changeset
|
1563 #endif // INCLUDE_ALL_GCS |
20294
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1564 _conservative_max_heap_alignment = MAX4(heap_alignment, |
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1565 (size_t)os::vm_allocation_granularity(), |
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1566 os::max_page_size(), |
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1567 CollectorPolicy::compute_heap_alignment()); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1568 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1569 |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1570 void Arguments::select_gc_ergonomically() { |
4946 | 1571 if (os::is_server_class_machine()) { |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1572 if (should_auto_select_low_pause_collector()) { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1573 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1574 } else { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1575 FLAG_SET_ERGO(bool, UseParallelGC, true); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1576 } |
0 | 1577 } |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1578 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1579 |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1580 void Arguments::select_gc() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1581 if (!gc_selected()) { |
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
1582 ArgumentsExt::select_gc_ergonomically(); |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1583 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1584 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1585 |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1586 void Arguments::set_ergonomics_flags() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1587 select_gc(); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1588 |
22298 | 1589 #if defined(COMPILER2) || INCLUDE_JVMCI |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1590 // Shared spaces work fine with other GCs but causes bytecode rewriting |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1591 // to be disabled, which hurts interpreter performance and decreases |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1592 // server performance. When -server is specified, keep the default off |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1593 // unless it is asked for. Future work: either add bytecode rewriting |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1594 // at link time, or rewrite bytecodes in non-shared methods. |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1595 if (!DumpSharedSpaces && !RequireSharedSpaces && |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1596 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
1597 no_shared_spaces("COMPILER2 default: -Xshare:auto | off, have to manually setup to on."); |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1598 } |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1599 #endif |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1600 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1601 set_conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1602 |
1010 | 1603 #ifndef ZERO |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1604 #ifdef _LP64 |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1605 set_use_compressed_oops(); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1606 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1607 // set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1608 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1609 set_use_compressed_klass_ptrs(); |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1610 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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76
diff
changeset
|
1611 // Also checks that certain machines are slower with compressed oops |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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76
diff
changeset
|
1612 // in vm_version initialization code. |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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76
diff
changeset
|
1613 #endif // _LP64 |
1010 | 1614 #endif // !ZERO |
0 | 1615 } |
1616 | |
1617 void Arguments::set_parallel_gc_flags() { | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1618 assert(UseParallelGC || UseParallelOldGC, "Error"); |
4879 | 1619 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
1620 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
1621 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
0 | 1622 } |
4879 | 1623 FLAG_SET_DEFAULT(UseParallelGC, true); |
0 | 1624 |
1625 // If no heap maximum was requested explicitly, use some reasonable fraction | |
1626 // of the physical memory, up to a maximum of 1GB. | |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1627 FLAG_SET_DEFAULT(ParallelGCThreads, |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1628 Abstract_VM_Version::parallel_worker_threads()); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1629 if (ParallelGCThreads == 0) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1630 jio_fprintf(defaultStream::error_stream(), |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1631 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1632 vm_exit(1); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1633 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1634 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1635 if (UseAdaptiveSizePolicy) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1636 // We don't want to limit adaptive heap sizing's freedom to adjust the heap |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1637 // unless the user actually sets these flags. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1638 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1639 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1640 _min_heap_free_ratio = MinHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1641 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1642 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1643 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1644 _max_heap_free_ratio = MaxHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1645 } |
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1646 } |
7471
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1647 |
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1648 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
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1649 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
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1650 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
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1651 // See CR 6362902 for details. |
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1652 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
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1653 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
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1654 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
0 | 1655 } |
7471
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1656 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
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1657 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
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1658 } |
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|
1659 } |
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|
1660 |
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|
1661 if (UseParallelOldGC) { |
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1662 // Par compact uses lower default values since they are treated as |
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1663 // minimums. These are different defaults because of the different |
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1664 // interpretation and are not ergonomically set. |
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1665 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
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1666 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
0 | 1667 } |
1668 } | |
1669 } | |
1670 | |
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1671 void Arguments::set_g1_gc_flags() { |
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1672 assert(UseG1GC, "Error"); |
22298 | 1673 #if defined(COMPILER1) || INCLUDE_JVMCI |
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1674 FastTLABRefill = false; |
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1675 #endif |
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1676 FLAG_SET_DEFAULT(ParallelGCThreads, |
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1677 Abstract_VM_Version::parallel_worker_threads()); |
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1678 if (ParallelGCThreads == 0) { |
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1679 FLAG_SET_DEFAULT(ParallelGCThreads, |
751 | 1680 Abstract_VM_Version::parallel_worker_threads()); |
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1681 } |
751 | 1682 |
20505
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1683 #if INCLUDE_ALL_GCS |
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1684 if (G1ConcRefinementThreads == 0) { |
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1685 FLAG_SET_DEFAULT(G1ConcRefinementThreads, ParallelGCThreads); |
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1686 } |
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1687 #endif |
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1688 |
7397
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|
1689 // MarkStackSize will be set (if it hasn't been set by the user) |
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1690 // when concurrent marking is initialized. |
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1691 // Its value will be based upon the number of parallel marking threads. |
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1692 // But we do set the maximum mark stack size here. |
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1693 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
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|
1694 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
1284 | 1695 } |
1356 | 1696 |
1697 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
1698 // In G1, we want the default GC overhead goal to be higher than | |
1699 // say in PS. So we set it here to 10%. Otherwise the heap might | |
1700 // be expanded more aggressively than we would like it to. In | |
1701 // fact, even 10% seems to not be high enough in some cases | |
1702 // (especially small GC stress tests that the main thing they do | |
1703 // is allocation). We might consider increase it further. | |
1704 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
1705 } | |
7397
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|
1706 |
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1707 if (PrintGCDetails && Verbose) { |
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1708 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
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1709 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
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1710 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
7397
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1711 } |
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1712 } |
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1713 |
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1714 #if !INCLUDE_ALL_GCS |
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1715 #ifdef ASSERT |
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1716 static bool verify_serial_gc_flags() { |
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1717 return (UseSerialGC && |
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1718 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
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1719 UseParallelGC || UseParallelOldGC)); |
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|
1720 } |
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|
1721 #endif // ASSERT |
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|
1722 #endif // INCLUDE_ALL_GCS |
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|
1723 |
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|
1724 void Arguments::set_gc_specific_flags() { |
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|
1725 #if INCLUDE_ALL_GCS |
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|
1726 // Set per-collector flags |
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|
1727 if (UseParallelGC || UseParallelOldGC) { |
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|
1728 set_parallel_gc_flags(); |
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|
1729 } else if (UseConcMarkSweepGC) { // Should be done before ParNew check below |
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|
1730 set_cms_and_parnew_gc_flags(); |
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|
1731 } else if (UseParNewGC) { // Skipped if CMS is set above |
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|
1732 set_parnew_gc_flags(); |
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|
1733 } else if (UseG1GC) { |
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|
1734 set_g1_gc_flags(); |
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|
1735 } |
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|
1736 check_deprecated_gcs(); |
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|
1737 check_deprecated_gc_flags(); |
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|
1738 if (AssumeMP && !UseSerialGC) { |
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|
1739 if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
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|
1740 warning("If the number of processors is expected to increase from one, then" |
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|
1741 " you should configure the number of parallel GC threads appropriately" |
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|
1742 " using -XX:ParallelGCThreads=N"); |
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|
1743 } |
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|
1744 } |
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|
1745 if (MinHeapFreeRatio == 100) { |
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|
1746 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
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|
1747 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
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|
1748 } |
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|
1749 #else // INCLUDE_ALL_GCS |
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|
1750 assert(verify_serial_gc_flags(), "SerialGC unset"); |
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|
1751 #endif // INCLUDE_ALL_GCS |
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|
1752 } |
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|
1753 |
8854
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|
1754 julong Arguments::limit_by_allocatable_memory(julong limit) { |
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1755 julong max_allocatable; |
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|
1756 julong result = limit; |
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|
1757 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
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1758 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
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|
1759 } |
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|
1760 return result; |
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|
1761 } |
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|
1762 |
1064 | 1763 void Arguments::set_heap_size() { |
1764 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
1765 // Deprecated flag | |
1766 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
1767 } | |
1768 | |
1769 const julong phys_mem = | |
1770 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
1771 : (julong)MaxRAM; | |
1772 | |
1773 // If the maximum heap size has not been set with -Xmx, | |
1774 // then set it as fraction of the size of physical memory, | |
1775 // respecting the maximum and minimum sizes of the heap. | |
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1776 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
1064 | 1777 julong reasonable_max = phys_mem / MaxRAMFraction; |
1778 | |
1779 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
1780 // Small physical memory, so use a minimum fraction of it for the heap | |
1781 reasonable_max = phys_mem / MinRAMFraction; | |
1782 } else { | |
1783 // Not-small physical memory, so require a heap at least | |
1784 // as large as MaxHeapSize | |
1785 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
1786 } | |
1787 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
1788 // Limit the heap size to ErgoHeapSizeLimit | |
1789 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
342
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1790 } |
1064 | 1791 if (UseCompressedOops) { |
1792 // Limit the heap size to the maximum possible when using compressed oops | |
1963 | 1793 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
1794 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
1795 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
1796 // but it should be not less than default MaxHeapSize. | |
1797 max_coop_heap -= HeapBaseMinAddress; | |
1798 } | |
1799 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
1064 | 1800 } |
8854
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1801 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
1064 | 1802 |
1803 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1804 // An initial heap size was specified on the command line, | |
1805 // so be sure that the maximum size is consistent. Done | |
8854
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1806 // after call to limit_by_allocatable_memory because that |
1064 | 1807 // method might reduce the allocation size. |
1808 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
1809 } | |
1810 | |
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1811 if (PrintGCDetails && Verbose) { |
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1812 // Cannot use gclog_or_tty yet. |
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1813 tty->print_cr(" Maximum heap size " SIZE_FORMAT, (size_t) reasonable_max); |
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1814 } |
1064 | 1815 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1816 } | |
1817 | |
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1818 // If the minimum or initial heap_size have not been set or requested to be set |
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1819 // ergonomically, set them accordingly. |
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1820 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
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1821 julong reasonable_minimum = (julong)(OldSize + NewSize); |
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1822 |
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1823 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
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1824 |
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1825 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
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1826 |
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1827 if (InitialHeapSize == 0) { |
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1828 julong reasonable_initial = phys_mem / InitialRAMFraction; |
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1829 |
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1830 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
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1831 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
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1832 |
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1833 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
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1834 |
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1835 if (PrintGCDetails && Verbose) { |
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1836 // Cannot use gclog_or_tty yet. |
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1837 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
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1838 } |
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1839 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
342
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1840 } |
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1841 // If the minimum heap size has not been set (via -Xms), |
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1842 // synchronize with InitialHeapSize to avoid errors with the default value. |
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1843 if (min_heap_size() == 0) { |
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1844 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
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1845 if (PrintGCDetails && Verbose) { |
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1846 // Cannot use gclog_or_tty yet. |
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1847 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
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1848 } |
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1849 } |
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1850 } |
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1851 } |
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1852 |
0 | 1853 // This must be called after ergonomics because we want bytecode rewriting |
1854 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
1855 void Arguments::set_bytecode_flags() { | |
1856 // Better not attempt to store into a read-only space. | |
1857 if (UseSharedSpaces) { | |
1858 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
1859 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1860 } | |
1861 | |
1862 if (!RewriteBytecodes) { | |
1863 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1864 } | |
1865 } | |
1866 | |
1867 // Aggressive optimization flags -XX:+AggressiveOpts | |
1868 void Arguments::set_aggressive_opts_flags() { | |
17
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1869 #ifdef COMPILER2 |
10278 | 1870 if (AggressiveUnboxing) { |
1871 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
1872 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
1873 } else if (!EliminateAutoBox) { | |
1874 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
1875 AggressiveUnboxing = false; | |
1876 } | |
1877 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
1878 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
1879 } else if (!DoEscapeAnalysis) { | |
1880 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
1881 AggressiveUnboxing = false; | |
1882 } | |
1883 } | |
17
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1884 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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1885 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
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1886 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
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1887 } |
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1888 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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1889 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
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1890 } |
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1891 |
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1892 // Feed the cache size setting into the JDK |
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1893 char buffer[1024]; |
513
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1894 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
17
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1895 add_property(buffer); |
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1896 } |
416
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1897 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
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1898 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
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1899 } |
17
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1900 #endif |
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1901 |
0 | 1902 if (AggressiveOpts) { |
61 | 1903 // Sample flag setting code |
1904 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
1905 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
1906 // } | |
0 | 1907 } |
1908 } | |
1909 | |
1910 //=========================================================================================================== | |
1911 // Parsing of java.compiler property | |
1912 | |
1913 void Arguments::process_java_compiler_argument(char* arg) { | |
1914 // For backwards compatibility, Djava.compiler=NONE or "" | |
1915 // causes us to switch to -Xint mode UNLESS -Xdebug | |
1916 // is also specified. | |
1917 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
1918 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
1919 } | |
1920 } | |
1921 | |
1922 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
1923 _sun_java_launcher = strdup(launcher); | |
2302
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1924 if (strcmp("gamma", _sun_java_launcher) == 0) { |
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|
1925 _created_by_gamma_launcher = true; |
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1926 } |
0 | 1927 } |
1928 | |
1929 bool Arguments::created_by_java_launcher() { | |
1930 assert(_sun_java_launcher != NULL, "property must have value"); | |
1931 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
1932 } | |
1933 | |
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1934 bool Arguments::created_by_gamma_launcher() { |
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1935 return _created_by_gamma_launcher; |
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1936 } |
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1937 |
0 | 1938 //=========================================================================================================== |
1939 // Parsing of main arguments | |
1940 | |
1244
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1941 bool Arguments::verify_interval(uintx val, uintx min, |
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1942 uintx max, const char* name) { |
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1943 // Returns true iff value is in the inclusive interval [min..max] |
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1944 // false, otherwise. |
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1945 if (val >= min && val <= max) { |
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1946 return true; |
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1947 } |
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1948 jio_fprintf(defaultStream::error_stream(), |
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1949 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
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1950 " and " UINTX_FORMAT "\n", |
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1951 name, val, min, max); |
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1952 return false; |
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1953 } |
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1954 |
1744
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1955 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
2366
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1956 // Returns true if given value is at least specified min threshold |
1744
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1957 // false, otherwise. |
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1958 if (val >= min ) { |
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1959 return true; |
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1960 } |
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1961 jio_fprintf(defaultStream::error_stream(), |
2366
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1962 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
1744
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1963 name, val, min); |
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1964 return false; |
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1965 } |
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1966 |
0 | 1967 bool Arguments::verify_percentage(uintx value, const char* name) { |
17648
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1968 if (is_percentage(value)) { |
0 | 1969 return true; |
1970 } | |
1971 jio_fprintf(defaultStream::error_stream(), | |
1972 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
1973 name, value); | |
1974 return false; | |
1975 } | |
1976 | |
3767
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1977 // check if do gclog rotation |
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1978 // +UseGCLogFileRotation is a must, |
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1979 // no gc log rotation when log file not supplied or |
17827 | 1980 // NumberOfGCLogFiles is 0 |
3767
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1981 void check_gclog_consistency() { |
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1982 if (UseGCLogFileRotation) { |
17827 | 1983 if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { |
3767
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1984 jio_fprintf(defaultStream::output_stream(), |
17827 | 1985 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" |
1986 "where num_of_file > 0\n" | |
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1987 "GC log rotation is turned off\n"); |
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1988 UseGCLogFileRotation = false; |
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|
1989 } |
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1990 } |
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1991 |
17827 | 1992 if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { |
1993 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); | |
1994 jio_fprintf(defaultStream::output_stream(), | |
1995 "GCLogFileSize changed to minimum 8K\n"); | |
3767
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1996 } |
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1997 } |
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1998 |
12215 | 1999 // This function is called for -Xloggc:<filename>, it can be used |
2000 // to check if a given file name(or string) conforms to the following | |
2001 // specification: | |
2002 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
2003 // %p and %t only allowed once. We only limit usage of filename not path | |
2004 bool is_filename_valid(const char *file_name) { | |
2005 const char* p = file_name; | |
2006 char file_sep = os::file_separator()[0]; | |
2007 const char* cp; | |
2008 // skip prefix path | |
2009 for (cp = file_name; *cp != '\0'; cp++) { | |
2010 if (*cp == '/' || *cp == file_sep) { | |
2011 p = cp + 1; | |
2012 } | |
2013 } | |
2014 | |
2015 int count_p = 0; | |
2016 int count_t = 0; | |
2017 while (*p != '\0') { | |
2018 if ((*p >= '0' && *p <= '9') || | |
2019 (*p >= 'A' && *p <= 'Z') || | |
2020 (*p >= 'a' && *p <= 'z') || | |
2021 *p == '-' || | |
2022 *p == '_' || | |
2023 *p == '.') { | |
2024 p++; | |
2025 continue; | |
2026 } | |
2027 if (*p == '%') { | |
2028 if(*(p + 1) == 'p') { | |
2029 p += 2; | |
2030 count_p ++; | |
2031 continue; | |
2032 } | |
2033 if (*(p + 1) == 't') { | |
2034 p += 2; | |
2035 count_t ++; | |
2036 continue; | |
2037 } | |
2038 } | |
2039 return false; | |
2040 } | |
2041 return count_p < 2 && count_t < 2; | |
2042 } | |
2043 | |
17648
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8028391: Make the Min/MaxHeapFreeRatio flags manageable
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diff
changeset
|
2044 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
14260
diff
changeset
|
2045 if (!is_percentage(min_heap_free_ratio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2046 err_msg.print("MinHeapFreeRatio must have a value between 0 and 100"); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
2047 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2048 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2049 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
2050 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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diff
changeset
|
2051 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
2052 MaxHeapFreeRatio); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2053 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2054 } |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
2055 // This does not set the flag itself, but stores the value in a safe place for later usage. |
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
2056 _min_heap_free_ratio = min_heap_free_ratio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2057 return true; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2058 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2059 |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2060 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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14260
diff
changeset
|
2061 if (!is_percentage(max_heap_free_ratio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2062 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2063 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
14260
diff
changeset
|
2064 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2065 if (max_heap_free_ratio < MinHeapFreeRatio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2066 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2067 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2068 MinHeapFreeRatio); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2069 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2070 } |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
2071 // This does not set the flag itself, but stores the value in a safe place for later usage. |
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
2072 _max_heap_free_ratio = max_heap_free_ratio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2073 return true; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2074 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2075 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2076 // Check consistency of GC selection |
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
2077 bool Arguments::check_gc_consistency_user() { |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
2078 check_gclog_consistency(); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2079 bool status = true; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2080 // Ensure that the user has not selected conflicting sets |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2081 // of collectors. [Note: this check is merely a user convenience; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2082 // collectors over-ride each other so that only a non-conflicting |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2083 // set is selected; however what the user gets is not what they |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2084 // may have expected from the combination they asked for. It's |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2085 // better to reduce user confusion by not allowing them to |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2086 // select conflicting combinations. |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2087 uint i = 0; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2088 if (UseSerialGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2089 if (UseConcMarkSweepGC || UseParNewGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2090 if (UseParallelGC || UseParallelOldGC) i++; |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
2091 if (UseG1GC) i++; |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2092 if (i > 1) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2093 jio_fprintf(defaultStream::error_stream(), |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2094 "Conflicting collector combinations in option list; " |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2095 "please refer to the release notes for the combinations " |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2096 "allowed\n"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2097 status = false; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2098 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2099 return status; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2100 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2101 |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2102 void Arguments::check_deprecated_gcs() { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2103 if (UseConcMarkSweepGC && !UseParNewGC) { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2104 warning("Using the DefNew young collector with the CMS collector is deprecated " |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2105 "and will likely be removed in a future release"); |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2106 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2107 |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2108 if (UseParNewGC && !UseConcMarkSweepGC) { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2109 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2110 // set up UseSerialGC properly, so that can't be used in the check here. |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2111 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2112 "and will likely be removed in a future release"); |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2113 } |
7453 | 2114 |
2115 if (CMSIncrementalMode) { | |
2116 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
2117 } | |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2118 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2119 |
8734 | 2120 void Arguments::check_deprecated_gc_flags() { |
2121 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
2122 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
2123 "and will likely be removed in future release"); | |
2124 } | |
11977 | 2125 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
2126 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
2127 "Use MaxRAMFraction instead."); | |
2128 } | |
13008
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2129 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2130 warning("UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release."); |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2131 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2132 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2133 warning("CMSFullGCsBeforeCompaction is deprecated and will likely be removed in a future release."); |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2134 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2135 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2136 warning("UseCMSCollectionPassing is deprecated and will likely be removed in a future release."); |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2137 } |
8734 | 2138 } |
2139 | |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2140 // Check stack pages settings |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2141 bool Arguments::check_stack_pages() |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2142 { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2143 bool status = true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2144 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2145 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2146 // greater stack shadow pages can't generate instruction to bang stack |
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2147 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2148 return status; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2149 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2150 |
0 | 2151 // Check the consistency of vm_init_args |
2152 bool Arguments::check_vm_args_consistency() { | |
2153 // Method for adding checks for flag consistency. | |
2154 // The intent is to warn the user of all possible conflicts, | |
2155 // before returning an error. | |
2156 // Note: Needs platform-dependent factoring. | |
2157 bool status = true; | |
2158 | |
2159 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
2160 // builds so the cost of stack banging can be measured. | |
2161 #if (defined(PRODUCT) && defined(SOLARIS)) | |
2162 if (!UseBoundThreads && !UseStackBanging) { | |
2163 jio_fprintf(defaultStream::error_stream(), | |
2164 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
2165 | |
2166 status = false; | |
2167 } | |
2168 #endif | |
2169 | |
2170 if (TLABRefillWasteFraction == 0) { | |
2171 jio_fprintf(defaultStream::error_stream(), | |
2172 "TLABRefillWasteFraction should be a denominator, " | |
2173 "not " SIZE_FORMAT "\n", | |
2174 TLABRefillWasteFraction); | |
2175 status = false; | |
2176 } | |
2177 | |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2178 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
0 | 2179 "AdaptiveSizePolicyWeight"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2180 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
0 | 2181 |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2182 // Divide by bucket size to prevent a large size from causing rollover when |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2183 // calculating amount of memory needed to be allocated for the String table. |
10126
63e31ce40bdb
8009928: PSR:PERF Increase default string table size
hseigel
parents:
9077
diff
changeset
|
2184 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2185 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2186 |
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2187 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2188 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2189 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2190 { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2191 // Using "else if" below to avoid printing two error messages if min > max. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2192 // This will also prevent us from reporting both min>100 and max>100 at the |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2193 // same time, but that is less annoying than printing two identical errors IMHO. |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
2194 FormatBuffer<80> err_msg("%s",""); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2195 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2196 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2197 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2198 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2199 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2200 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2201 } |
0 | 2202 } |
2203 | |
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2204 // Min/MaxMetaspaceFreeRatio |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2205 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2206 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2207 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2208 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2209 jio_fprintf(defaultStream::error_stream(), |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2210 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2211 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2212 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2213 MinMetaspaceFreeRatio, |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2214 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2215 MaxMetaspaceFreeRatio); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2216 status = false; |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2217 } |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2218 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2219 // Trying to keep 100% free is not practical |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2220 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2221 |
0 | 2222 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
2223 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
2224 } | |
2225 | |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2226 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2227 // Settings to encourage splitting. |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2228 if (!FLAG_IS_CMDLINE(NewRatio)) { |
8035 | 2229 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2230 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2231 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2232 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2233 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2234 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2235 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2236 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2237 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
0 | 2238 if (GCTimeLimit == 100) { |
2239 // Turn off gc-overhead-limit-exceeded checks | |
2240 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
2241 } | |
2242 | |
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
2243 status = status && check_gc_consistency_user(); |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2244 status = status && check_stack_pages(); |
0 | 2245 |
2246 if (CMSIncrementalMode) { | |
2247 if (!UseConcMarkSweepGC) { | |
2248 jio_fprintf(defaultStream::error_stream(), | |
2249 "error: invalid argument combination.\n" | |
2250 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
2251 "selected in order\nto use CMSIncrementalMode.\n"); | |
2252 status = false; | |
2253 } else { | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2254 status = status && verify_percentage(CMSIncrementalDutyCycle, |
0 | 2255 "CMSIncrementalDutyCycle"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2256 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
0 | 2257 "CMSIncrementalDutyCycleMin"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2258 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
0 | 2259 "CMSIncrementalSafetyFactor"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2260 status = status && verify_percentage(CMSIncrementalOffset, |
0 | 2261 "CMSIncrementalOffset"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2262 status = status && verify_percentage(CMSExpAvgFactor, |
0 | 2263 "CMSExpAvgFactor"); |
2264 // If it was not set on the command line, set | |
2265 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
2266 if (CMSInitiatingOccupancyFraction < 0) { | |
2267 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
2268 } | |
2269 } | |
2270 } | |
2271 | |
2272 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
2273 // insists that we hold the requisite locks so that the iteration is | |
2274 // MT-safe. For the verification at start-up and shut-down, we don't | |
2275 // yet have a good way of acquiring and releasing these locks, | |
2276 // which are not visible at the CollectedHeap level. We want to | |
2277 // be able to acquire these locks and then do the iteration rather | |
2278 // than just disable the lock verification. This will be fixed under | |
2279 // bug 4788986. | |
2280 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2281 if (VerifyDuringStartup) { |
0 | 2282 warning("Heap verification at start-up disabled " |
2283 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2284 VerifyDuringStartup = false; // Disable verification at start-up |
0 | 2285 } |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2286 |
0 | 2287 if (VerifyBeforeExit) { |
2288 warning("Heap verification at shutdown disabled " | |
2289 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
2290 VerifyBeforeExit = false; // Disable verification at shutdown | |
2291 } | |
2292 } | |
2293 | |
2294 // Note: only executed in non-PRODUCT mode | |
2295 if (!UseAsyncConcMarkSweepGC && | |
2296 (ExplicitGCInvokesConcurrent || | |
2297 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
2298 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
|
2299 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
0 | 2300 " with -UseAsyncConcMarkSweepGC"); |
2301 status = false; | |
2302 } | |
2303 | |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2304 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
|
2305 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2306 #if INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2307 if (UseG1GC) { |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2308 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2309 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2310 status = status && verify_interval(G1NewSizePercent, 0, G1MaxNewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2311 |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2312 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2313 "InitiatingHeapOccupancyPercent"); |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2314 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2315 "G1RefProcDrainInterval"); |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2316 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2317 "G1ConcMarkStepDurationMillis"); |
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2318 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
|
2319 "G1ConcRSHotCardLimit"); |
21813 | 2320 status = status && verify_interval(G1ConcRSLogCacheSize, 0, 27, |
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2321 "G1ConcRSLogCacheSize"); |
17764 | 2322 status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age, |
2323 "StringDeduplicationAgeThreshold"); | |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2324 } |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2325 if (UseConcMarkSweepGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2326 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2327 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2328 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2329 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2330 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2331 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2332 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2333 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2334 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
|
2335 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
|
2336 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2337 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2338 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2339 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2340 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2341 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2342 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2343 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2344 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
|
2345 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2346 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2347 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2348 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2349 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2350 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2351 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2352 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2353 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2354 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2355 } |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2356 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2357 if (UseParallelGC || UseParallelOldGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2358 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2359 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2360 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2361 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2362 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2363 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2364 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2365 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2366 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2367 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2368 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2369 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2370 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2371 #endif // INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2372 |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2373 status = status && verify_interval(RefDiscoveryPolicy, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2374 ReferenceProcessor::DiscoveryPolicyMin, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2375 ReferenceProcessor::DiscoveryPolicyMax, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2376 "RefDiscoveryPolicy"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2377 |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2378 // 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
|
2379 // expression. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2380 status = status && verify_interval(TLABWasteTargetPercent, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2381 1, 100, "TLABWasteTargetPercent"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2382 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2383 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
|
2384 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2385 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2386 "CompressedClassSpaceSize"); |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2387 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2388 status = status && verify_interval(MarkStackSizeMax, |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2389 1, (max_jint - 1), "MarkStackSizeMax"); |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2390 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2391 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2392 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2393 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2394 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
|
2395 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2396 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2397 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2398 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2399 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2400 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2401 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2402 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2403 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2404 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2405 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2406 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2407 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2408 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2409 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2410 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2411 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2412 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2413 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2414 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2415 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2416 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2417 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2418 // 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
|
2419 // just for that, so hardcode here. |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2420 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2421 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2422 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2423 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2424 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2425 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
20545
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2426 #ifdef COMPILER1 |
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2427 status = status && verify_min_value(ValueMapInitialSize, 1, "ValueMapInitialSize"); |
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2428 #endif |
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2429 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2430 if (PrintNMTStatistics) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2431 #if INCLUDE_NMT |
20360 | 2432 if (MemTracker::tracking_level() == NMT_off) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2433 #endif // INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2434 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
|
2435 PrintNMTStatistics = false; |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2436 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2437 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2438 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2439 } |
22298 | 2440 #if INCLUDE_JVMCI |
10409 | 2441 if (UseG1GC) { |
2442 if (IgnoreUnrecognizedVMOptions) { | |
2443 FLAG_SET_CMDLINE(bool, UseG1GC, true); | |
2444 } else { | |
2445 status = true; | |
2446 } | |
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2447 } else { |
10409 | 2448 // This prevents the flag being set to true by set_ergonomics_flags() |
2449 FLAG_SET_CMDLINE(bool, UseG1GC, false); | |
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2450 } |
10409 | 2451 |
2452 if (!ScavengeRootsInCode) { | |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
2453 warning("forcing ScavengeRootsInCode non-zero because JVMCI is enabled"); |
10409 | 2454 ScavengeRootsInCode = 1; |
2455 } | |
13280
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2456 if (TypeProfileLevel != 0) { |
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2457 warning("forcing TypeProfileLevel to 0 as HotSpotMethodData can not yet handle the new type profile info"); |
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2458 TypeProfileLevel = 0; |
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2459 } |
10409 | 2460 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2461 |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2462 // Need to limit the extent of the padding to reasonable size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2463 // 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
|
2464 // aggressive prefetching, while still leaving the room for segregating |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2465 // among the distinct pages. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2466 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2467 jio_fprintf(defaultStream::error_stream(), |
12129 | 2468 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2469 ContendedPaddingWidth, 0, 8192); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2470 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2471 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2472 |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2473 // Need to enforce the padding not to break the existing field alignments. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2474 // It is sufficient to check against the largest type size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2475 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2476 jio_fprintf(defaultStream::error_stream(), |
12129 | 2477 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2478 ContendedPaddingWidth, BytesPerLong); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2479 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2480 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2481 |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2482 // 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
|
2483 // 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
|
2484 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
|
2485 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
|
2486 jio_fprintf(defaultStream::error_stream(), |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2487 "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
|
2488 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2489 status = false; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2490 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2491 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2492 "Invalid ReservedCodeCacheSize: %dK. Must be at least InitialCodeCacheSize=%dK.\n", |
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
|
2493 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
parents:
10319
diff
changeset
|
2494 status = false; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2495 } 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
|
2496 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2497 "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
|
2498 min_code_cache_size/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2499 status = false; |
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2500 } else if (ReservedCodeCacheSize > 2*G) { |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2501 // Code cache size larger than MAXINT is not supported. |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2502 jio_fprintf(defaultStream::error_stream(), |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2503 "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
|
2504 (2*G)/M); |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2505 status = false; |
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
|
2506 } |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2507 |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2508 status &= verify_interval(NmethodSweepFraction, 1, ReservedCodeCacheSize/K, "NmethodSweepFraction"); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2509 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2510 |
17906
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2511 if (!FLAG_IS_DEFAULT(CICompilerCount) && !FLAG_IS_DEFAULT(CICompilerCountPerCPU) && CICompilerCountPerCPU) { |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2512 warning("The VM option CICompilerCountPerCPU overrides CICompilerCount."); |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2513 } |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2514 |
18054
fbf689f3752e
8042603: 'SafepointPollOffset' was not declared in static member function 'static bool Arguments::check_vm_args_consistency()'
twisti
parents:
18049
diff
changeset
|
2515 #ifdef COMPILER1 |
18049 | 2516 status &= verify_interval(SafepointPollOffset, 0, os::vm_page_size() - BytesPerWord, "SafepointPollOffset"); |
18054
fbf689f3752e
8042603: 'SafepointPollOffset' was not declared in static member function 'static bool Arguments::check_vm_args_consistency()'
twisti
parents:
18049
diff
changeset
|
2517 #endif |
18049 | 2518 |
20597
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2519 int min_number_of_compiler_threads = get_min_number_of_compiler_threads(); |
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2520 // The default CICompilerCount's value is CI_COMPILER_COUNT. |
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2521 assert(min_number_of_compiler_threads <= CI_COMPILER_COUNT, "minimum should be less or equal default number"); |
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2522 // Check the minimum number of compiler threads |
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2523 status &=verify_min_value(CICompilerCount, min_number_of_compiler_threads, "CICompilerCount"); |
20593
2eda90444a0d
8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount
anoll
parents:
20575
diff
changeset
|
2524 |
0 | 2525 return status; |
2526 } | |
2527 | |
2528 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
2529 const char* option_type) { | |
2530 if (ignore) return false; | |
2531 | |
2532 const char* spacer = " "; | |
2533 if (option_type == NULL) { | |
2534 option_type = ++spacer; // Set both to the empty string. | |
2535 } | |
2536 | |
2537 if (os::obsolete_option(option)) { | |
2538 jio_fprintf(defaultStream::error_stream(), | |
2539 "Obsolete %s%soption: %s\n", option_type, spacer, | |
2540 option->optionString); | |
2541 return false; | |
2542 } else { | |
2543 jio_fprintf(defaultStream::error_stream(), | |
2544 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
2545 option->optionString); | |
2546 return true; | |
2547 } | |
2548 } | |
2549 | |
2550 static const char* user_assertion_options[] = { | |
2551 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
2552 }; | |
2553 | |
2554 static const char* system_assertion_options[] = { | |
2555 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
2556 }; | |
2557 | |
2558 // Return true if any of the strings in null-terminated array 'names' matches. | |
2559 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
2560 // the option must match exactly. | |
2561 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
2562 bool tail_allowed) { | |
2563 for (/* empty */; *names != NULL; ++names) { | |
2564 if (match_option(option, *names, tail)) { | |
2565 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
2566 return true; | |
2567 } | |
2568 } | |
2569 } | |
2570 return false; | |
2571 } | |
2572 | |
1284 | 2573 bool Arguments::parse_uintx(const char* value, |
2574 uintx* uintx_arg, | |
2575 uintx min_size) { | |
2576 | |
2577 // Check the sign first since atomull() parses only unsigned values. | |
2578 bool value_is_positive = !(*value == '-'); | |
2579 | |
2580 if (value_is_positive) { | |
2581 julong n; | |
2582 bool good_return = atomull(value, &n); | |
2583 if (good_return) { | |
2584 bool above_minimum = n >= min_size; | |
2585 bool value_is_too_large = n > max_uintx; | |
2586 | |
2587 if (above_minimum && !value_is_too_large) { | |
2588 *uintx_arg = n; | |
2589 return true; | |
2590 } | |
2591 } | |
2592 } | |
2593 return false; | |
2594 } | |
2595 | |
0 | 2596 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
|
2597 julong* long_arg, |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2598 julong min_size) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2599 if (!atomull(s, long_arg)) return arg_unreadable; |
0 | 2600 return check_memory_size(*long_arg, min_size); |
2601 } | |
2602 | |
2603 // Parse JavaVMInitArgs structure | |
2604 | |
2605 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
2606 // For components of the system classpath. | |
2607 SysClassPath scp(Arguments::get_sysclasspath()); | |
2608 bool scp_assembly_required = false; | |
2609 | |
2610 // Save default settings for some mode flags | |
2611 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
2612 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
2613 Arguments::_ClipInlining = ClipInlining; | |
2614 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
2615 | |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2616 // Setup flags for mixed which is the default |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2617 set_mode_flags(_mixed); |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2618 |
0 | 2619 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2620 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
2621 if (result != JNI_OK) { | |
2622 return result; | |
2623 } | |
2624 | |
2625 // Parse JavaVMInitArgs structure passed in | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2626 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
0 | 2627 if (result != JNI_OK) { |
2628 return result; | |
2629 } | |
2630 | |
2631 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
2632 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
2633 if (result != JNI_OK) { | |
2634 return result; | |
2635 } | |
2636 | |
2637 // Do final processing now that all arguments have been parsed | |
2638 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
2639 if (result != JNI_OK) { | |
2640 return result; | |
2641 } | |
2642 | |
2643 return JNI_OK; | |
2644 } | |
2645 | |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2646 // 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
|
2647 // 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
|
2648 // 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
|
2649 // -agentlib |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2650 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
|
2651 char *_name; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2652 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
|
2653 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
|
2654 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2655 if (is_path) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2656 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
|
2657 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2658 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2659 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2660 _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
|
2661 _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
|
2662 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2663 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
|
2664 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2665 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2666 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2667 _name += _len_prefix; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2668 _len_hprof = strlen(_hprof); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2669 _len_jdwp = strlen(_jdwp); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2670 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2671 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
|
2672 _name += _len_hprof; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2673 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2674 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
|
2675 _name += _len_jdwp; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2676 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2677 else { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2678 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2679 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2680 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2681 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
|
2682 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2683 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2684 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2685 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2686 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2687 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2688 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
|
2689 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2690 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2691 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2692 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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diff
changeset
|
2693 } |
3c0584fec1e6
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diff
changeset
|
2694 |
0 | 2695 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
2696 SysClassPath* scp_p, | |
2697 bool* scp_assembly_required_p, | |
12322
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diff
changeset
|
2698 Flag::Flags origin) { |
0 | 2699 // Remaining part of option string |
2700 const char* tail; | |
2701 | |
2702 // iterate over arguments | |
2703 for (int index = 0; index < args->nOptions; index++) { | |
2704 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
2705 | |
2706 const JavaVMOption* option = args->options + index; | |
2707 | |
2708 if (!match_option(option, "-Djava.class.path", &tail) && | |
2709 !match_option(option, "-Dsun.java.command", &tail) && | |
2710 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
2711 | |
2712 // add all jvm options to the jvm_args string. This string | |
2713 // is used later to set the java.vm.args PerfData string constant. | |
2714 // the -Djava.class.path and the -Dsun.java.command options are | |
2715 // omitted from jvm_args string as each have their own PerfData | |
2716 // string constant object. | |
2717 build_jvm_args(option->optionString); | |
2718 } | |
2719 | |
2720 // -verbose:[class/gc/jni] | |
2721 if (match_option(option, "-verbose", &tail)) { | |
2722 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
2723 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
2724 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
2725 } else if (!strcmp(tail, ":gc")) { | |
2726 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2727 } else if (!strcmp(tail, ":jni")) { | |
2728 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
2729 } | |
2730 // -da / -ea / -disableassertions / -enableassertions | |
2731 // These accept an optional class/package name separated by a colon, e.g., | |
2732 // -da:java.lang.Thread. | |
2733 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
2734 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2735 if (*tail == '\0') { | |
2736 JavaAssertions::setUserClassDefault(enable); | |
2737 } else { | |
2738 assert(*tail == ':', "bogus match by match_option()"); | |
2739 JavaAssertions::addOption(tail + 1, enable); | |
2740 } | |
2741 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
2742 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
2743 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2744 JavaAssertions::setSystemClassDefault(enable); | |
2745 // -bootclasspath: | |
2746 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
2747 scp_p->reset_path(tail); | |
2748 *scp_assembly_required_p = true; | |
2749 // -bootclasspath/a: | |
2750 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
2751 scp_p->add_suffix(tail); | |
2752 *scp_assembly_required_p = true; | |
2753 // -bootclasspath/p: | |
2754 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
2755 scp_p->add_prefix(tail); | |
2756 *scp_assembly_required_p = true; | |
2757 // -Xrun | |
2758 } else if (match_option(option, "-Xrun", &tail)) { | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
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513
diff
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|
2759 if (tail != NULL) { |
0 | 2760 const char* pos = strchr(tail, ':'); |
2761 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2762 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2763 name[len] = '\0'; |
2764 | |
2765 char *options = NULL; | |
2766 if(pos != NULL) { | |
2767 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
6197 | 2768 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
0 | 2769 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
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6818
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changeset
|
2770 #if !INCLUDE_JVMTI |
0 | 2771 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
8720
fad90b102190
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8105
diff
changeset
|
2772 jio_fprintf(defaultStream::error_stream(), |
fad90b102190
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jprovino
parents:
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diff
changeset
|
2773 "Profiling and debugging agents are not supported in this VM\n"); |
fad90b102190
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8105
diff
changeset
|
2774 return JNI_ERR; |
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2775 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
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6818
diff
changeset
|
2776 #endif // !INCLUDE_JVMTI |
22298 | 2777 #if INCLUDE_JVMCI |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2778 if (strcmp(name, "hprof") == 0) { |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
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21346
diff
changeset
|
2779 FLAG_SET_CMDLINE(bool, JVMCIHProfEnabled, true); |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2780 } |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2781 #endif |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2782 add_init_library(name, options); |
0 | 2783 } |
2784 // -agentlib and -agentpath | |
2785 } else if (match_option(option, "-agentlib:", &tail) || | |
2786 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
2787 if(tail != NULL) { | |
2788 const char* pos = strchr(tail, '='); | |
2789 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2790 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2791 name[len] = '\0'; |
2792 | |
2793 char *options = NULL; | |
2794 if(pos != NULL) { | |
6197 | 2795 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
0 | 2796 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
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diff
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|
2797 #if !INCLUDE_JVMTI |
10170
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9077
diff
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|
2798 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
8720
fad90b102190
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parents:
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diff
changeset
|
2799 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
|
2800 "Profiling and debugging agents are not supported in this VM\n"); |
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2801 return JNI_ERR; |
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2802 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2803 #endif // !INCLUDE_JVMTI |
22298 | 2804 #if INCLUDE_JVMCI |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2805 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
2806 FLAG_SET_CMDLINE(bool, JVMCIHProfEnabled, true); |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2807 } |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2808 #endif |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2809 |
0 | 2810 add_init_agent(name, options, is_absolute_path); |
2811 } | |
2812 // -javaagent | |
2813 } else if (match_option(option, "-javaagent:", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2814 #if !INCLUDE_JVMTI |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2815 jio_fprintf(defaultStream::error_stream(), |
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2816 "Instrumentation agents 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
|
2817 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2818 #else |
0 | 2819 if(tail != NULL) { |
6197 | 2820 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
0 | 2821 add_init_agent("instrument", options, false); |
2822 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2823 #endif // !INCLUDE_JVMTI |
0 | 2824 // -Xnoclassgc |
2825 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
2826 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
2827 // -Xincgc: i-CMS | |
2828 } else if (match_option(option, "-Xincgc", &tail)) { | |
2829 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2830 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
2831 // -Xnoincgc: no i-CMS | |
2832 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
2833 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2834 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
2835 // -Xconcgc | |
2836 } else if (match_option(option, "-Xconcgc", &tail)) { | |
2837 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2838 // -Xnoconcgc | |
2839 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
2840 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2841 // -Xbatch | |
2842 } else if (match_option(option, "-Xbatch", &tail)) { | |
2843 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2844 // -Xmn for compatibility with other JVM vendors | |
2845 } else if (match_option(option, "-Xmn", &tail)) { | |
12831 | 2846 julong long_initial_young_size = 0; |
2847 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
0 | 2848 if (errcode != arg_in_range) { |
2849 jio_fprintf(defaultStream::error_stream(), | |
12831 | 2850 "Invalid initial young generation size: %s\n", option->optionString); |
0 | 2851 describe_range_error(errcode); |
2852 return JNI_EINVAL; | |
2853 } | |
12831 | 2854 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
2855 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
0 | 2856 // -Xms |
2857 } else if (match_option(option, "-Xms", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2858 julong long_initial_heap_size = 0; |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2859 // an initial heap size of 0 means automatically determine |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2860 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
0 | 2861 if (errcode != arg_in_range) { |
2862 jio_fprintf(defaultStream::error_stream(), | |
2863 "Invalid initial heap size: %s\n", option->optionString); | |
2864 describe_range_error(errcode); | |
2865 return JNI_EINVAL; | |
2866 } | |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2867 set_min_heap_size((uintx)long_initial_heap_size); |
0 | 2868 // Currently the minimum size and the initial heap sizes are the same. |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2869 // Can be overridden with -XX:InitialHeapSize. |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2870 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
0 | 2871 // -Xmx |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2872 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2873 julong long_max_heap_size = 0; |
0 | 2874 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2875 if (errcode != arg_in_range) { | |
2876 jio_fprintf(defaultStream::error_stream(), | |
2877 "Invalid maximum heap size: %s\n", option->optionString); | |
2878 describe_range_error(errcode); | |
2879 return JNI_EINVAL; | |
2880 } | |
1064 | 2881 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
0 | 2882 // Xmaxf |
2883 } else if (match_option(option, "-Xmaxf", &tail)) { | |
12896
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2884 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2885 int maxf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2886 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
0 | 2887 jio_fprintf(defaultStream::error_stream(), |
2888 "Bad max heap free percentage size: %s\n", | |
2889 option->optionString); | |
2890 return JNI_EINVAL; | |
2891 } else { | |
2892 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
2893 } | |
2894 // Xminf | |
2895 } else if (match_option(option, "-Xminf", &tail)) { | |
12896
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2896 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2897 int minf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2898 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
0 | 2899 jio_fprintf(defaultStream::error_stream(), |
2900 "Bad min heap free percentage size: %s\n", | |
2901 option->optionString); | |
2902 return JNI_EINVAL; | |
2903 } else { | |
2904 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
2905 } | |
2906 // -Xss | |
2907 } else if (match_option(option, "-Xss", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
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483
diff
changeset
|
2908 julong long_ThreadStackSize = 0; |
0 | 2909 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2910 if (errcode != arg_in_range) { | |
2911 jio_fprintf(defaultStream::error_stream(), | |
2912 "Invalid thread stack size: %s\n", option->optionString); | |
2913 describe_range_error(errcode); | |
2914 return JNI_EINVAL; | |
2915 } | |
2916 // Internally track ThreadStackSize in units of 1024 bytes. | |
2917 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
2918 round_to((int)long_ThreadStackSize, K) / K); | |
2919 // -Xoss | |
2920 } else if (match_option(option, "-Xoss", &tail)) { | |
2921 // 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
|
2922 } 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
|
2923 julong long_CodeCacheExpansionSize = 0; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2924 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
|
2925 if (errcode != arg_in_range) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2926 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2927 "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
|
2928 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2929 return JNI_EINVAL; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2930 } |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2931 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
|
2932 } 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
|
2933 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2934 julong long_ReservedCodeCacheSize = 0; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2935 |
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
|
2936 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
0 | 2937 if (errcode != arg_in_range) { |
2938 jio_fprintf(defaultStream::error_stream(), | |
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
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10319
diff
changeset
|
2939 "Invalid maximum code cache size: %s.\n", option->optionString); |
0 | 2940 return JNI_EINVAL; |
2941 } | |
2942 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
10319
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|
2943 //-XX:IncreaseFirstTierCompileThresholdAt= |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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diff
changeset
|
2944 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2945 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
91eba9f82325
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parents:
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changeset
|
2946 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2947 jio_fprintf(defaultStream::error_stream(), |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2948 "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:
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diff
changeset
|
2949 option->optionString); |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2950 return JNI_EINVAL; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2951 } |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
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diff
changeset
|
2952 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
0 | 2953 // -green |
2954 } else if (match_option(option, "-green", &tail)) { | |
2955 jio_fprintf(defaultStream::error_stream(), | |
2956 "Green threads support not available\n"); | |
2957 return JNI_EINVAL; | |
2958 // -native | |
2959 } else if (match_option(option, "-native", &tail)) { | |
2960 // HotSpot always uses native threads, ignore silently for compatibility | |
2961 // -Xsqnopause | |
2962 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
2963 // EVM option, ignore silently for compatibility | |
2964 // -Xrs | |
2965 } else if (match_option(option, "-Xrs", &tail)) { | |
2966 // Classic/EVM option, new functionality | |
2967 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
2968 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
2969 // change default internal VM signals used - lower case for back compat | |
2970 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
2971 // -Xoptimize | |
2972 } else if (match_option(option, "-Xoptimize", &tail)) { | |
2973 // EVM option, ignore silently for compatibility | |
2974 // -Xprof | |
2975 } else if (match_option(option, "-Xprof", &tail)) { | |
6854
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|
2976 #if INCLUDE_FPROF |
0 | 2977 _has_profile = true; |
6854
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|
2978 #else // INCLUDE_FPROF |
8720
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|
2979 jio_fprintf(defaultStream::error_stream(), |
fad90b102190
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|
2980 "Flat profiling is not supported in this VM.\n"); |
fad90b102190
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|
2981 return JNI_ERR; |
6854
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|
2982 #endif // INCLUDE_FPROF |
0 | 2983 // -Xconcurrentio |
2984 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
2985 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
2986 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2987 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
2988 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2989 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
2990 | |
2991 // -Xinternalversion | |
2992 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
2993 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
2994 VM_Version::internal_vm_info_string()); | |
2995 vm_exit(0); | |
2996 #ifndef PRODUCT | |
2997 // -Xprintflags | |
2998 } else if (match_option(option, "-Xprintflags", &tail)) { | |
4773 | 2999 CommandLineFlags::printFlags(tty, false); |
0 | 3000 vm_exit(0); |
3001 #endif | |
3002 // -D | |
3003 } else if (match_option(option, "-D", &tail)) { | |
20654
fa6adc194d48
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mchung
parents:
20601
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changeset
|
3004 if (CheckEndorsedAndExtDirs) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3005 if (match_option(option, "-Djava.endorsed.dirs=", &tail)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3006 // abort if -Djava.endorsed.dirs is set |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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changeset
|
3007 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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diff
changeset
|
3008 "-Djava.endorsed.dirs will not be supported in a future release.\n" |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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parents:
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changeset
|
3009 "Refer to JEP 220 for details (http://openjdk.java.net/jeps/220).\n"); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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|
3010 return JNI_EINVAL; |
fa6adc194d48
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mchung
parents:
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diff
changeset
|
3011 } |
fa6adc194d48
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parents:
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diff
changeset
|
3012 if (match_option(option, "-Djava.ext.dirs=", &tail)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3013 // abort if -Djava.ext.dirs is set |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3014 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3015 "-Djava.ext.dirs will not be supported in a future release.\n" |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3016 "Refer to JEP 220 for details (http://openjdk.java.net/jeps/220).\n"); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3017 return JNI_EINVAL; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3018 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3019 } |
fa6adc194d48
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mchung
parents:
20601
diff
changeset
|
3020 |
0 | 3021 if (!add_property(tail)) { |
3022 return JNI_ENOMEM; | |
3023 } | |
3024 // Out of the box management support | |
3025 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3026 #if INCLUDE_MANAGEMENT |
0 | 3027 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3028 #else |
8720
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
3029 jio_fprintf(defaultStream::output_stream(), |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3030 "-Dcom.sun.management 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
|
3031 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3032 #endif |
0 | 3033 } |
3034 // -Xint | |
3035 } else if (match_option(option, "-Xint", &tail)) { | |
3036 set_mode_flags(_int); | |
3037 // -Xmixed | |
3038 } else if (match_option(option, "-Xmixed", &tail)) { | |
3039 set_mode_flags(_mixed); | |
3040 // -Xcomp | |
3041 } else if (match_option(option, "-Xcomp", &tail)) { | |
3042 // for testing the compiler; turn off all flags that inhibit compilation | |
3043 set_mode_flags(_comp); | |
3044 // -Xshare:dump | |
3045 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
3046 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
3047 set_mode_flags(_int); // Prevent compilation, which creates objects | |
3048 // -Xshare:on | |
3049 } else if (match_option(option, "-Xshare:on", &tail)) { | |
3050 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
3051 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
3052 // -Xshare:auto | |
3053 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
3054 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
3055 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
3056 // -Xshare:off | |
3057 } else if (match_option(option, "-Xshare:off", &tail)) { | |
3058 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
3059 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
3060 // -Xverify | |
3061 } else if (match_option(option, "-Xverify", &tail)) { | |
3062 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
3063 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
3064 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
3065 } else if (strcmp(tail, ":remote") == 0) { | |
3066 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
3067 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
3068 } else if (strcmp(tail, ":none") == 0) { | |
3069 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
3070 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
3071 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
3072 return JNI_EINVAL; | |
3073 } | |
3074 // -Xdebug | |
3075 } else if (match_option(option, "-Xdebug", &tail)) { | |
3076 // note this flag has been used, then ignore | |
3077 set_xdebug_mode(true); | |
3078 // -Xnoagent | |
3079 } else if (match_option(option, "-Xnoagent", &tail)) { | |
3080 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
3081 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
3082 // Bind user level threads to kernel threads (Solaris only) | |
3083 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
3084 } else if (match_option(option, "-Xloggc:", &tail)) { | |
3085 // Redirect GC output to the file. -Xloggc:<filename> | |
3086 // ostream_init_log(), when called will use this filename | |
3087 // to initialize a fileStream. | |
3088 _gc_log_filename = strdup(tail); | |
12215 | 3089 if (!is_filename_valid(_gc_log_filename)) { |
3090 jio_fprintf(defaultStream::output_stream(), | |
3091 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
3092 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
3093 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
3094 return JNI_EINVAL; | |
3095 } | |
0 | 3096 FLAG_SET_CMDLINE(bool, PrintGC, true); |
3097 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
3098 | |
3099 // JNI hooks | |
3100 } else if (match_option(option, "-Xcheck", &tail)) { | |
3101 if (!strcmp(tail, ":jni")) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3102 #if !INCLUDE_JNI_CHECK |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3103 warning("JNI CHECKING is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3104 #else |
0 | 3105 CheckJNICalls = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
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6818
diff
changeset
|
3106 #endif // INCLUDE_JNI_CHECK |
0 | 3107 } else if (is_bad_option(option, args->ignoreUnrecognized, |
3108 "check")) { | |
3109 return JNI_EINVAL; | |
3110 } | |
3111 } else if (match_option(option, "vfprintf", &tail)) { | |
3112 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
3113 } else if (match_option(option, "exit", &tail)) { | |
3114 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
3115 } else if (match_option(option, "abort", &tail)) { | |
3116 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
3117 // -XX:+AggressiveHeap | |
3118 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
3119 | |
3120 // This option inspects the machine and attempts to set various | |
3121 // parameters to be optimal for long-running, memory allocation | |
3122 // intensive jobs. It is intended for machines with large | |
3123 // amounts of cpu and memory. | |
3124 | |
3125 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
3126 // VM, but we may not be able to represent the total physical memory | |
3127 // available (like having 8gb of memory on a box but using a 32bit VM). | |
3128 // Thus, we need to make sure we're using a julong for intermediate | |
3129 // calculations. | |
3130 julong initHeapSize; | |
3131 julong total_memory = os::physical_memory(); | |
3132 | |
3133 if (total_memory < (julong)256*M) { | |
3134 jio_fprintf(defaultStream::error_stream(), | |
3135 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
3136 vm_exit(1); | |
3137 } | |
3138 | |
3139 // The heap size is half of available memory, or (at most) | |
3140 // all of possible memory less 160mb (leaving room for the OS | |
3141 // when using ISM). This is the maximum; because adaptive sizing | |
3142 // is turned on below, the actual space used may be smaller. | |
3143 | |
3144 initHeapSize = MIN2(total_memory / (julong)2, | |
3145 total_memory - (julong)160*M); | |
3146 | |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
3147 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
0 | 3148 |
3149 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
3150 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
1064 | 3151 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
0 | 3152 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 3153 set_min_heap_size(initHeapSize); |
0 | 3154 } |
3155 if (FLAG_IS_DEFAULT(NewSize)) { | |
3156 // Make the young generation 3/8ths of the total heap. | |
3157 FLAG_SET_CMDLINE(uintx, NewSize, | |
3158 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
3159 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
3160 } | |
3161 | |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3162 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
0 | 3163 FLAG_SET_DEFAULT(UseLargePages, true); |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3164 #endif |
0 | 3165 |
3166 // Increase some data structure sizes for efficiency | |
3167 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
3168 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3169 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
3170 | |
3171 // See the OldPLABSize comment below, but replace 'after promotion' | |
3172 // with 'after copying'. YoungPLABSize is the size of the survivor | |
3173 // space per-gc-thread buffers. The default is 4kw. | |
3174 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
3175 | |
3176 // OldPLABSize is the size of the buffers in the old gen that | |
3177 // UseParallelGC uses to promote live data that doesn't fit in the | |
3178 // survivor spaces. At any given time, there's one for each gc thread. | |
3179 // The default size is 1kw. These buffers are rarely used, since the | |
3180 // survivor spaces are usually big enough. For specjbb, however, there | |
3181 // are occasions when there's lots of live data in the young gen | |
3182 // and we end up promoting some of it. We don't have a definite | |
3183 // explanation for why bumping OldPLABSize helps, but the theory | |
3184 // is that a bigger PLAB results in retaining something like the | |
3185 // original allocation order after promotion, which improves mutator | |
3186 // locality. A minor effect may be that larger PLABs reduce the | |
3187 // number of PLAB allocation events during gc. The value of 8kw | |
3188 // was arrived at by experimenting with specjbb. | |
3189 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
3190 | |
3191 // Enable parallel GC and adaptive generation sizing | |
3192 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3193 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3194 Abstract_VM_Version::parallel_worker_threads()); |
0 | 3195 |
3196 // Encourage steady state memory management | |
3197 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
3198 | |
3199 // This appears to improve mutator locality | |
3200 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3201 | |
3202 // Get around early Solaris scheduling bug | |
3203 // (affinity vs other jobs on system) | |
3204 // but disallow DR and offlining (5008695). | |
3205 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
3206 | |
3207 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
3208 // The last option must always win. | |
3209 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
3210 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
3211 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
3212 // The last option must always win. | |
3213 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
3214 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
3215 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
3216 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
3217 jio_fprintf(defaultStream::error_stream(), | |
3218 "Please use CMSClassUnloadingEnabled in place of " | |
3219 "CMSPermGenSweepingEnabled in the future\n"); | |
3220 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
3221 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
3222 jio_fprintf(defaultStream::error_stream(), | |
3223 "Please use -XX:+UseGCOverheadLimit in place of " | |
3224 "-XX:+UseGCTimeLimit in the future\n"); | |
3225 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
3226 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
3227 jio_fprintf(defaultStream::error_stream(), | |
3228 "Please use -XX:-UseGCOverheadLimit in place of " | |
3229 "-XX:-UseGCTimeLimit in the future\n"); | |
3230 // The TLE options are for compatibility with 1.3 and will be | |
3231 // removed without notice in a future release. These options | |
3232 // are not to be documented. | |
3233 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
3234 // No longer used. | |
3235 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
3236 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
3237 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
3238 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3239 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
3240 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
3241 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
3242 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
3243 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
3244 // No longer used. | |
3245 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3246 julong long_tlab_size = 0; |
0 | 3247 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
3248 if (errcode != arg_in_range) { | |
3249 jio_fprintf(defaultStream::error_stream(), | |
3250 "Invalid TLAB size: %s\n", option->optionString); | |
3251 describe_range_error(errcode); | |
3252 return JNI_EINVAL; | |
3253 } | |
3254 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
3255 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
3256 // No longer used. | |
3257 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
3258 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
3259 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
3260 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
3261 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
3262 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
3263 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
3264 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
3265 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
3266 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
3267 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
4006 | 3268 #if defined(DTRACE_ENABLED) |
0 | 3269 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
3270 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
3271 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
3272 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
4006 | 3273 #else // defined(DTRACE_ENABLED) |
0 | 3274 jio_fprintf(defaultStream::error_stream(), |
4006 | 3275 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
0 | 3276 return JNI_EINVAL; |
4006 | 3277 #endif // defined(DTRACE_ENABLED) |
0 | 3278 #ifdef ASSERT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3279 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
0 | 3280 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
3281 // disable scavenge before parallel mark-compact | |
3282 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3283 #endif | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3284 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
0 | 3285 julong cms_blocks_to_claim = (julong)atol(tail); |
3286 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
3287 jio_fprintf(defaultStream::error_stream(), | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3288 "Please use -XX:OldPLABSize in place of " |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3289 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3290 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3291 julong cms_blocks_to_claim = (julong)atol(tail); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3292 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3293 jio_fprintf(defaultStream::error_stream(), |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3294 "Please use -XX:OldPLABSize in place of " |
0 | 3295 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3296 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3297 julong old_plab_size = 0; |
0 | 3298 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
3299 if (errcode != arg_in_range) { | |
3300 jio_fprintf(defaultStream::error_stream(), | |
3301 "Invalid old PLAB size: %s\n", option->optionString); | |
3302 describe_range_error(errcode); | |
3303 return JNI_EINVAL; | |
3304 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3305 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
0 | 3306 jio_fprintf(defaultStream::error_stream(), |
3307 "Please use -XX:OldPLABSize in place of " | |
3308 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3309 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3310 julong young_plab_size = 0; |
0 | 3311 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
3312 if (errcode != arg_in_range) { | |
3313 jio_fprintf(defaultStream::error_stream(), | |
3314 "Invalid young PLAB size: %s\n", option->optionString); | |
3315 describe_range_error(errcode); | |
3316 return JNI_EINVAL; | |
3317 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3318 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
0 | 3319 jio_fprintf(defaultStream::error_stream(), |
3320 "Please use -XX:YoungPLABSize in place of " | |
3321 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
1284 | 3322 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
3323 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
3324 julong stack_size = 0; | |
3325 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
3326 if (errcode != arg_in_range) { | |
3327 jio_fprintf(defaultStream::error_stream(), | |
3328 "Invalid mark stack size: %s\n", option->optionString); | |
3329 describe_range_error(errcode); | |
3330 return JNI_EINVAL; | |
3331 } | |
3332 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
3333 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
3334 julong max_stack_size = 0; | |
3335 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
3336 if (errcode != arg_in_range) { | |
3337 jio_fprintf(defaultStream::error_stream(), | |
3338 "Invalid maximum mark stack size: %s\n", | |
3339 option->optionString); | |
3340 describe_range_error(errcode); | |
3341 return JNI_EINVAL; | |
3342 } | |
3343 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
3344 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
3345 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
3346 uintx conc_threads = 0; | |
3347 if (!parse_uintx(tail, &conc_threads, 1)) { | |
3348 jio_fprintf(defaultStream::error_stream(), | |
3349 "Invalid concurrent threads: %s\n", option->optionString); | |
3350 return JNI_EINVAL; | |
3351 } | |
3352 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3353 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3354 julong max_direct_memory_size = 0; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3355 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
|
3356 if (errcode != arg_in_range) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3357 jio_fprintf(defaultStream::error_stream(), |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3358 "Invalid maximum direct memory size: %s\n", |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3359 option->optionString); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3360 describe_range_error(errcode); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3361 return JNI_EINVAL; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3362 } |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3363 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3364 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3365 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3366 // away and will cause VM initialization failures! |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3367 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
|
3368 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
|
3369 #if !INCLUDE_MANAGEMENT |
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3370 } 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
|
3371 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
|
3372 "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
|
3373 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3374 #endif // INCLUDE_MANAGEMENT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3375 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
0 | 3376 // Skip -XX:Flags= since that case has already been handled |
3377 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
3378 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
3379 return JNI_EINVAL; | |
3380 } | |
3381 } | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3382 } |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3383 else if (is_bad_option(option, args->ignoreUnrecognized)) { |
0 | 3384 return JNI_ERR; |
3385 } | |
3386 } | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3387 |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3388 // PrintSharedArchiveAndExit will turn on |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3389 // -Xshare:on |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3390 // -XX:+TraceClassPaths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3391 if (PrintSharedArchiveAndExit) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3392 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3393 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3394 FLAG_SET_CMDLINE(bool, TraceClassPaths, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3395 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3396 |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3397 // 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
|
3398 // when working with older JDKs. |
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3399 #ifdef LINUX |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3400 if (JDK_Version::current().compare_major(6) <= 0 && |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3401 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3402 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3403 } |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3404 #endif // LINUX |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3405 fix_appclasspath(); |
0 | 3406 return JNI_OK; |
3407 } | |
3408 | |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3409 // Remove all empty paths from the app classpath (if IgnoreEmptyClassPaths is enabled) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3410 // |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3411 // This is necessary because some apps like to specify classpath like -cp foo.jar:${XYZ}:bar.jar |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3412 // in their start-up scripts. If XYZ is empty, the classpath will look like "-cp foo.jar::bar.jar". |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3413 // Java treats such empty paths as if the user specified "-cp foo.jar:.:bar.jar". I.e., an empty |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3414 // path is treated as the current directory. |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3415 // |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3416 // This causes problems with CDS, which requires that all directories specified in the classpath |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3417 // must be empty. In most cases, applications do NOT want to load classes from the current |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3418 // directory anyway. Adding -XX:+IgnoreEmptyClassPaths will make these applications' start-up |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3419 // scripts compatible with CDS. |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3420 void Arguments::fix_appclasspath() { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3421 if (IgnoreEmptyClassPaths) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3422 const char separator = *os::path_separator(); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3423 const char* src = _java_class_path->value(); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3424 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3425 // skip over all the leading empty paths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3426 while (*src == separator) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3427 src ++; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3428 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3429 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3430 char* copy = AllocateHeap(strlen(src) + 1, mtInternal); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3431 strncpy(copy, src, strlen(src) + 1); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3432 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3433 // trim all trailing empty paths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3434 for (char* tail = copy + strlen(copy) - 1; tail >= copy && *tail == separator; tail--) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
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20360
diff
changeset
|
3435 *tail = '\0'; |
6e0cb14ce59b
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iklam
parents:
20360
diff
changeset
|
3436 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3437 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
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20360
diff
changeset
|
3438 char from[3] = {separator, separator, '\0'}; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
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20360
diff
changeset
|
3439 char to [2] = {separator, '\0'}; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
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20360
diff
changeset
|
3440 while (StringUtils::replace_no_expand(copy, from, to) > 0) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3441 // Keep replacing "::" -> ":" until we have no more "::" (non-windows) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3442 // Keep replacing ";;" -> ";" until we have no more ";;" (windows) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3443 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3444 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
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20360
diff
changeset
|
3445 _java_class_path->set_value(copy); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3446 FreeHeap(copy); // a copy was made by set_value, so don't need this anymore |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3447 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3448 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3449 if (!PrintSharedArchiveAndExit) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3450 ClassLoader::trace_class_path("[classpath: ", _java_class_path->value()); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3451 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3452 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3453 |
20654
fa6adc194d48
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|
3454 static bool has_jar_files(const char* directory) { |
fa6adc194d48
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|
3455 DIR* dir = os::opendir(directory); |
fa6adc194d48
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|
3456 if (dir == NULL) return false; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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changeset
|
3457 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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changeset
|
3458 struct dirent *entry; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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|
3459 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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|
3460 bool hasJarFile = false; |
fa6adc194d48
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|
3461 while (!hasJarFile && (entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
fa6adc194d48
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|
3462 const char* name = entry->d_name; |
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8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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|
3463 const char* ext = name + strlen(name) - 4; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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|
3464 hasJarFile = ext > name && (os::file_name_strcmp(ext, ".jar") == 0); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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|
3465 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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parents:
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diff
changeset
|
3466 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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|
3467 os::closedir(dir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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|
3468 return hasJarFile ; |
fa6adc194d48
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mchung
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diff
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|
3469 } |
fa6adc194d48
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mchung
parents:
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diff
changeset
|
3470 |
fa6adc194d48
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changeset
|
3471 // returns the number of directories in the given path containing JAR files |
fa6adc194d48
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|
3472 // If the skip argument is not NULL, it will skip that directory |
fa6adc194d48
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mchung
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|
3473 static int check_non_empty_dirs(const char* path, const char* type, const char* skip) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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|
3474 const char separator = *os::path_separator(); |
fa6adc194d48
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|
3475 const char* const end = path + strlen(path); |
fa6adc194d48
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mchung
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|
3476 int nonEmptyDirs = 0; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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changeset
|
3477 while (path < end) { |
fa6adc194d48
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mchung
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|
3478 const char* tmp_end = strchr(path, separator); |
fa6adc194d48
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diff
changeset
|
3479 if (tmp_end == NULL) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3480 if ((skip == NULL || strcmp(path, skip) != 0) && has_jar_files(path)) { |
fa6adc194d48
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mchung
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changeset
|
3481 nonEmptyDirs++; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3482 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
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mchung
parents:
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diff
changeset
|
3483 "Non-empty %s directory: %s\n", type, path); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3484 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
changeset
|
3485 path = end; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
changeset
|
3486 } else { |
fa6adc194d48
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mchung
parents:
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diff
changeset
|
3487 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3488 memcpy(dirpath, path, tmp_end - path); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3489 dirpath[tmp_end - path] = '\0'; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3490 if ((skip == NULL || strcmp(dirpath, skip) != 0) && has_jar_files(dirpath)) { |
fa6adc194d48
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mchung
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20601
diff
changeset
|
3491 nonEmptyDirs++; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3492 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3493 "Non-empty %s directory: %s\n", type, dirpath); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3494 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3495 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3496 path = tmp_end + 1; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3497 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3498 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3499 return nonEmptyDirs; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3500 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3501 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3502 // Returns true if endorsed standards override mechanism and extension mechanism |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3503 // are not used. |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3504 static bool check_endorsed_and_ext_dirs() { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3505 if (!CheckEndorsedAndExtDirs) |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3506 return true; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3507 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3508 char endorsedDir[JVM_MAXPATHLEN]; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3509 char extDir[JVM_MAXPATHLEN]; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3510 const char* fileSep = os::file_separator(); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3511 jio_snprintf(endorsedDir, sizeof(endorsedDir), "%s%slib%sendorsed", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3512 Arguments::get_java_home(), fileSep, fileSep); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3513 jio_snprintf(extDir, sizeof(extDir), "%s%slib%sext", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3514 Arguments::get_java_home(), fileSep, fileSep); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3515 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3516 // check endorsed directory |
fa6adc194d48
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mchung
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changeset
|
3517 int nonEmptyDirs = check_non_empty_dirs(Arguments::get_endorsed_dir(), "endorsed", NULL); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3518 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3519 // check the extension directories but skip the default lib/ext directory |
fa6adc194d48
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mchung
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20601
diff
changeset
|
3520 nonEmptyDirs += check_non_empty_dirs(Arguments::get_ext_dirs(), "extension", extDir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3521 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3522 // List of JAR files installed in the default lib/ext directory. |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3523 // -XX:+CheckEndorsedAndExtDirs checks if any non-JDK file installed |
fa6adc194d48
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mchung
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|
3524 static const char* jdk_ext_jars[] = { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3525 "access-bridge-32.jar", |
fa6adc194d48
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mchung
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diff
changeset
|
3526 "access-bridge-64.jar", |
fa6adc194d48
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mchung
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20601
diff
changeset
|
3527 "access-bridge.jar", |
fa6adc194d48
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mchung
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diff
changeset
|
3528 "cldrdata.jar", |
fa6adc194d48
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mchung
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20601
diff
changeset
|
3529 "dnsns.jar", |
fa6adc194d48
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mchung
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diff
changeset
|
3530 "jaccess.jar", |
fa6adc194d48
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mchung
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diff
changeset
|
3531 "jfxrt.jar", |
fa6adc194d48
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mchung
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diff
changeset
|
3532 "localedata.jar", |
fa6adc194d48
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mchung
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diff
changeset
|
3533 "nashorn.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3534 "sunec.jar", |
fa6adc194d48
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mchung
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diff
changeset
|
3535 "sunjce_provider.jar", |
fa6adc194d48
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mchung
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diff
changeset
|
3536 "sunmscapi.jar", |
fa6adc194d48
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diff
changeset
|
3537 "sunpkcs11.jar", |
fa6adc194d48
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diff
changeset
|
3538 "ucrypto.jar", |
fa6adc194d48
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diff
changeset
|
3539 "zipfs.jar", |
fa6adc194d48
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mchung
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diff
changeset
|
3540 NULL |
fa6adc194d48
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diff
changeset
|
3541 }; |
fa6adc194d48
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diff
changeset
|
3542 |
fa6adc194d48
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changeset
|
3543 // check if the default lib/ext directory has any non-JDK jar files; if so, error |
fa6adc194d48
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mchung
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changeset
|
3544 DIR* dir = os::opendir(extDir); |
fa6adc194d48
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mchung
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diff
changeset
|
3545 if (dir != NULL) { |
fa6adc194d48
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mchung
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diff
changeset
|
3546 int num_ext_jars = 0; |
fa6adc194d48
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mchung
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diff
changeset
|
3547 struct dirent *entry; |
fa6adc194d48
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mchung
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20601
diff
changeset
|
3548 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(extDir), mtInternal); |
fa6adc194d48
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changeset
|
3549 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
fa6adc194d48
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changeset
|
3550 const char* name = entry->d_name; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3551 const char* ext = name + strlen(name) - 4; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3552 if (ext > name && (os::file_name_strcmp(ext, ".jar") == 0)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3553 bool is_jdk_jar = false; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3554 const char* jarfile = NULL; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3555 for (int i=0; (jarfile = jdk_ext_jars[i]) != NULL; i++) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3556 if (os::file_name_strcmp(name, jarfile) == 0) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3557 is_jdk_jar = true; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3558 break; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3559 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3560 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3561 if (!is_jdk_jar) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3562 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3563 "%s installed in <JAVA_HOME>/lib/ext\n", name); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3564 num_ext_jars++; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3565 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3566 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3567 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3568 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3569 os::closedir(dir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3570 if (num_ext_jars > 0) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3571 nonEmptyDirs += 1; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3572 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3573 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3574 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3575 // check if the default lib/endorsed directory exists; if so, error |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3576 dir = os::opendir(endorsedDir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3577 if (dir != NULL) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3578 jio_fprintf(defaultStream::output_stream(), "<JAVA_HOME>/lib/endorsed exists\n"); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3579 os::closedir(dir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3580 nonEmptyDirs += 1; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3581 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3582 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3583 if (nonEmptyDirs > 0) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3584 jio_fprintf(defaultStream::output_stream(), |
20684
c03d85ef5e6a
8065765: Missing space in output message from -XX:+CheckEndorsedAndExtDirs
mchung
parents:
20655
diff
changeset
|
3585 "Endorsed standards override mechanism and extension mechanism " |
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3586 "will not be supported in a future release.\n" |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3587 "Refer to JEP 220 for details (http://openjdk.java.net/jeps/220).\n"); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3588 return false; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3589 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3590 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3591 return true; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3592 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3593 |
0 | 3594 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { |
3595 // This must be done after all -D arguments have been processed. | |
3596 scp_p->expand_endorsed(); | |
3597 | |
22298 | 3598 #if INCLUDE_JVMCI |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
3599 if (!UseJVMCIClassLoader) { |
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
3600 // Append lib/jvmci/*.jar to boot class path |
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
3601 char jvmciDir[JVM_MAXPATHLEN]; |
21040
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3602 const char* fileSep = os::file_separator(); |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
3603 jio_snprintf(jvmciDir, sizeof(jvmciDir), "%s%slib%sjvmci", Arguments::get_java_home(), fileSep, fileSep); |
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
3604 DIR* dir = os::opendir(jvmciDir); |
21040
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3605 if (dir != NULL) { |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3606 struct dirent *entry; |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
3607 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(jvmciDir), mtInternal); |
21040
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3608 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3609 const char* name = entry->d_name; |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3610 const char* ext = name + strlen(name) - 4; |
21513
d760a7d64801
Graal loader: load all .jar files (regardless of graal prefix)
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
21041
diff
changeset
|
3611 if (ext > name && strcmp(ext, ".jar") == 0) { |
21040
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3612 char fileName[JVM_MAXPATHLEN]; |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
3613 jio_snprintf(fileName, sizeof(fileName), "%s%s%s", jvmciDir, fileSep, name); |
21040
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3614 scp_p->add_suffix(fileName); |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3615 scp_assembly_required = true; |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3616 } |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3617 } |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3618 } |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3619 |
16395
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3620 } |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3621 #endif |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3622 |
0 | 3623 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { |
3624 // Assemble the bootclasspath elements into the final path. | |
3625 Arguments::set_sysclasspath(scp_p->combined_path()); | |
3626 } | |
3627 | |
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3628 if (!check_endorsed_and_ext_dirs()) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3629 return JNI_ERR; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3630 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3631 |
0 | 3632 // This must be done after all arguments have been processed. |
3633 // java_compiler() true means set to "NONE" or empty. | |
3634 if (java_compiler() && !xdebug_mode()) { | |
3635 // For backwards compatibility, we switch to interpreted mode if | |
3636 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
3637 // not specified. | |
3638 set_mode_flags(_int); | |
3639 } | |
3640 if (CompileThreshold == 0) { | |
3641 set_mode_flags(_int); | |
3642 } | |
3643 | |
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3644 // 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
|
3645 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
|
3646 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
|
3647 } |
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3648 |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
3649 #if !defined(COMPILER2) && !defined(COMPILERJVMCI) |
0 | 3650 // Don't degrade server performance for footprint |
3651 if (FLAG_IS_DEFAULT(UseLargePages) && | |
3652 MaxHeapSize < LargePageHeapSizeThreshold) { | |
3653 // No need for large granularity pages w/small heaps. | |
3654 // Note that large pages are enabled/disabled for both the | |
3655 // Java heap and the code cache. | |
3656 FLAG_SET_DEFAULT(UseLargePages, false); | |
3657 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3658 |
21041
e121783a0df9
Use the same behaviour for UseLargePages in a graal VM than in a server VM
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
21040
diff
changeset
|
3659 #elif defined(COMPILER2) |
0 | 3660 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { |
3661 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
3662 } | |
3663 #endif | |
3664 | |
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3665 #ifndef TIERED |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3666 // Tiered compilation is undefined. |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3667 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3668 #endif |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3669 |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3670 // 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
|
3671 // to be true unless the property has already been set. |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3672 // 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
|
3673 if (os::is_headless_jre()) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3674 const char* headless = Arguments::get_property("java.awt.headless"); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3675 if (headless == NULL) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3676 char envbuffer[128]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3677 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3678 if (!add_property("java.awt.headless=true")) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3679 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3680 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3681 } else { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3682 char buffer[256]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3683 strcpy(buffer, "java.awt.headless="); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3684 strcat(buffer, envbuffer); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3685 if (!add_property(buffer)) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3686 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3687 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3688 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3689 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3690 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3691 |
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
3692 if (!check_vm_args_consistency()) { |
0 | 3693 return JNI_ERR; |
3694 } | |
3695 | |
3696 return JNI_OK; | |
3697 } | |
3698 | |
3699 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3700 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
3701 scp_assembly_required_p); | |
3702 } | |
3703 | |
3704 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3705 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
3706 scp_assembly_required_p); | |
3707 } | |
3708 | |
3709 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3710 const int N_MAX_OPTIONS = 64; | |
3711 const int OPTION_BUFFER_SIZE = 1024; | |
3712 char buffer[OPTION_BUFFER_SIZE]; | |
3713 | |
3714 // The variable will be ignored if it exceeds the length of the buffer. | |
3715 // Don't check this variable if user has special privileges | |
3716 // (e.g. unix su command). | |
3717 if (os::getenv(name, buffer, sizeof(buffer)) && | |
3718 !os::have_special_privileges()) { | |
3719 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
3720 jio_fprintf(defaultStream::error_stream(), | |
3721 "Picked up %s: %s\n", name, buffer); | |
3722 char* rd = buffer; // pointer to the input string (rd) | |
3723 int i; | |
3724 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
3725 while (isspace(*rd)) rd++; // skip whitespace | |
3726 if (*rd == 0) break; // we re done when the input string is read completely | |
3727 | |
3728 // The output, option string, overwrites the input string. | |
3729 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
3730 // input string (rd). | |
3731 char* wrt = rd; | |
3732 | |
3733 options[i++].optionString = wrt; // Fill in option | |
3734 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
3735 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
3736 int quote = *rd; // matching quote to look for | |
3737 rd++; // don't copy open quote | |
3738 while (*rd != quote) { // include everything (even spaces) up until quote | |
3739 if (*rd == 0) { // string termination means unmatched string | |
3740 jio_fprintf(defaultStream::error_stream(), | |
3741 "Unmatched quote in %s\n", name); | |
3742 return JNI_ERR; | |
3743 } | |
3744 *wrt++ = *rd++; // copy to option string | |
3745 } | |
3746 rd++; // don't copy close quote | |
3747 } else { | |
3748 *wrt++ = *rd++; // copy to option string | |
3749 } | |
3750 } | |
3751 // Need to check if we're done before writing a NULL, | |
3752 // because the write could be to the byte that rd is pointing to. | |
3753 if (*rd++ == 0) { | |
3754 *wrt = 0; | |
3755 break; | |
3756 } | |
3757 *wrt = 0; // Zero terminate option | |
3758 } | |
3759 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
3760 JavaVMInitArgs vm_args; | |
3761 vm_args.version = JNI_VERSION_1_2; | |
3762 vm_args.options = options; | |
3763 vm_args.nOptions = i; | |
564 | 3764 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
0 | 3765 |
3766 if (PrintVMOptions) { | |
3767 const char* tail; | |
3768 for (int i = 0; i < vm_args.nOptions; i++) { | |
3769 const JavaVMOption *option = vm_args.options + i; | |
3770 if (match_option(option, "-XX:", &tail)) { | |
3771 logOption(tail); | |
3772 } | |
3773 } | |
3774 } | |
3775 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3776 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
0 | 3777 } |
3778 return JNI_OK; | |
3779 } | |
3780 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3781 void Arguments::set_shared_spaces_flags() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3782 if (DumpSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3783 if (RequireSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3784 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
|
3785 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3786 UseSharedSpaces = false; |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3787 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3788 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3789 vm_exit_during_initialization( |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3790 "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
|
3791 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3792 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3793 if (!UseCompressedOops || !UseCompressedClassPointers) { |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3794 no_shared_spaces("UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces."); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3795 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3796 #endif |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3797 } |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3798 } |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3799 |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3800 #if !INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3801 static void force_serial_gc() { |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3802 FLAG_SET_DEFAULT(UseSerialGC, true); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3803 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
|
3804 UNSUPPORTED_GC_OPTION(UseG1GC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3805 UNSUPPORTED_GC_OPTION(UseParallelGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3806 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3807 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3808 UNSUPPORTED_GC_OPTION(UseParNewGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3809 } |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3810 #endif // INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3811 |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3812 // Sharing support |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3813 // Construct the path to the archive |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3814 static char* get_shared_archive_path() { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3815 char *shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3816 if (SharedArchiveFile == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3817 char jvm_path[JVM_MAXPATHLEN]; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3818 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
|
3819 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
|
3820 if (end != NULL) *end = '\0'; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3821 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
|
3822 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
|
3823 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
|
3824 file_sep_len + 20, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3825 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3826 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
|
3827 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
|
3828 strncat(shared_archive_path, "classes.jsa", 11); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3829 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3830 } else { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3831 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
|
3832 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3833 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
|
3834 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3835 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3836 return shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3837 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3838 |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3839 #ifndef PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3840 // Determine whether LogVMOutput should be implicitly turned on. |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3841 static bool use_vm_log() { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3842 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3843 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3844 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3845 PrintAssembly || TraceDeoptimization || TraceDependencies || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3846 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3847 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3848 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3849 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3850 #ifdef COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3851 if (PrintC1Statistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3852 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3853 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3854 #endif // COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3855 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3856 #ifdef COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3857 if (PrintOptoAssembly || PrintOptoStatistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3858 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3859 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3860 #endif // COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3861 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3862 return false; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3863 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3864 #endif // PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3865 |
0 | 3866 // Parse entry point called from JNI_CreateJavaVM |
3867 | |
3868 jint Arguments::parse(const JavaVMInitArgs* args) { | |
3869 | |
3870 // Remaining part of option string | |
3871 const char* tail; | |
3872 | |
3873 // 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
|
3874 const char* hotspotrc = ".hotspotrc"; |
0 | 3875 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
|
3876 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
|
3877 |
20568
46140919bf90
8047934: Adding new API for unlocking diagnostic argument.
jiangli
parents:
20548
diff
changeset
|
3878 ArgumentsExt::process_options(args); |
46140919bf90
8047934: Adding new API for unlocking diagnostic argument.
jiangli
parents:
20548
diff
changeset
|
3879 |
564 | 3880 const char* flags_file; |
0 | 3881 int index; |
3882 for (index = 0; index < args->nOptions; index++) { | |
3883 const JavaVMOption *option = args->options + index; | |
3884 if (match_option(option, "-XX:Flags=", &tail)) { | |
564 | 3885 flags_file = tail; |
0 | 3886 settings_file_specified = true; |
3887 } | |
3888 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
3889 PrintVMOptions = true; | |
3890 } | |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3891 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
|
3892 PrintVMOptions = false; |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3893 } |
564 | 3894 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3895 IgnoreUnrecognizedVMOptions = true; | |
3896 } | |
3897 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
3898 IgnoreUnrecognizedVMOptions = false; | |
3899 } | |
19181
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3900 if (match_option(option, "-XX:+UnlockDiagnosticVMOptions", &tail)) { |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3901 UnlockDiagnosticVMOptions = true; |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3902 } |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3903 if (match_option(option, "-XX:-UnlockDiagnosticVMOptions", &tail)) { |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3904 UnlockDiagnosticVMOptions = false; |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3905 } |
1150 | 3906 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
4773 | 3907 CommandLineFlags::printFlags(tty, false); |
1150 | 3908 vm_exit(0); |
3909 } | |
20360 | 3910 #if INCLUDE_NMT |
6197 | 3911 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
20360 | 3912 // The launcher did not setup nmt environment variable properly. |
20395
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3913 if (!MemTracker::check_launcher_nmt_support(tail)) { |
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3914 warning("Native Memory Tracking did not setup properly, using wrong launcher?"); |
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3915 } |
20360 | 3916 |
3917 // Verify if nmt option is valid. | |
3918 if (MemTracker::verify_nmt_option()) { | |
3919 // Late initialization, still in single-threaded mode. | |
3920 if (MemTracker::tracking_level() >= NMT_summary) { | |
3921 MemTracker::init(); | |
3922 } | |
3923 } else { | |
3924 vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL); | |
3925 } | |
3926 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3927 #endif |
6197 | 3928 |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3929 |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3930 #ifndef PRODUCT |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3931 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
4773 | 3932 CommandLineFlags::printFlags(tty, true); |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3933 vm_exit(0); |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3934 } |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3935 #endif |
564 | 3936 } |
3937 | |
3938 if (IgnoreUnrecognizedVMOptions) { | |
3939 // uncast const to modify the flag args->ignoreUnrecognized | |
3940 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
3941 } | |
3942 | |
3943 // Parse specified settings file | |
3944 if (settings_file_specified) { | |
3945 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
3946 return JNI_EINVAL; | |
3947 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3948 } else { |
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3949 #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
|
3950 // Parse default .hotspotrc settings file |
0 | 3951 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3952 return JNI_EINVAL; | |
3953 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3954 #else |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3955 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
|
3956 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
|
3957 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
|
3958 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3959 #endif |
0 | 3960 } |
3961 | |
3962 if (PrintVMOptions) { | |
3963 for (index = 0; index < args->nOptions; index++) { | |
3964 const JavaVMOption *option = args->options + index; | |
3965 if (match_option(option, "-XX:", &tail)) { | |
3966 logOption(tail); | |
3967 } | |
3968 } | |
3969 } | |
3970 | |
3971 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
3972 jint result = parse_vm_init_args(args); | |
3973 if (result != JNI_OK) { | |
3974 return result; | |
3975 } | |
3976 | |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3977 // 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
|
3978 SharedArchivePath = get_shared_archive_path(); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3979 if (SharedArchivePath == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3980 return JNI_ENOMEM; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3981 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3982 |
18096 | 3983 // Set up VerifySharedSpaces |
3984 if (FLAG_IS_DEFAULT(VerifySharedSpaces) && SharedArchiveFile != NULL) { | |
3985 VerifySharedSpaces = true; | |
3986 } | |
3987 | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3988 // 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
|
3989 // 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
|
3990 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
|
3991 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
|
3992 "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
|
3993 hotspotrc, hotspotrc); |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3994 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3995 |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3996 #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
|
3997 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3998 #endif |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3999 |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4000 #if INCLUDE_ALL_GCS |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4001 #if (defined JAVASE_EMBEDDED || defined ARM) |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4002 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4003 #endif |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4004 #endif |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4005 |
0 | 4006 #ifndef PRODUCT |
4007 if (TraceBytecodesAt != 0) { | |
4008 TraceBytecodes = true; | |
4009 } | |
4010 if (CountCompiledCalls) { | |
4011 if (UseCounterDecay) { | |
4012 warning("UseCounterDecay disabled because CountCalls is set"); | |
4013 UseCounterDecay = false; | |
4014 } | |
4015 } | |
4016 #endif // PRODUCT | |
4017 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4018 // 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
|
4019 if (!JDK_Version::is_gte_jdk17x_version()) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4020 if (EnableInvokeDynamic) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4021 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4022 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
|
4023 } |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4024 EnableInvokeDynamic = false; |
710 | 4025 } |
4026 } | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4027 |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4028 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4029 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4030 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
|
4031 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4032 ScavengeRootsInCode = 1; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4033 } |
710 | 4034 |
0 | 4035 if (PrintGCDetails) { |
4036 // Turn on -verbose:gc options as well | |
4037 PrintGC = true; | |
4038 } | |
4039 | |
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4040 if (!JDK_Version::is_gte_jdk18x_version()) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4041 // 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
|
4042 // true by default in JDK8 and above. |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4043 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4044 FLAG_SET_DEFAULT(PrintGCCause, false); |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4045 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4046 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4047 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
4048 // 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
|
4049 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
|
4050 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
4051 #if !INCLUDE_ALL_GCS |
1064 | 4052 force_serial_gc(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
4053 #endif // INCLUDE_ALL_GCS |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4054 #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
|
4055 if (DumpSharedSpaces || RequireSharedSpaces) { |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4056 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
|
4057 "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
|
4058 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4059 } |
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
4060 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
|
4061 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
|
4062 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
|
4063 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
|
4064 } |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
4065 no_shared_spaces("CDS Disabled"); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4066 #endif // INCLUDE_CDS |
0 | 4067 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4068 return JNI_OK; |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4069 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4070 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4071 jint Arguments::apply_ergo() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4072 |
0 | 4073 // Set flags based on ergonomics. |
4074 set_ergonomics_flags(); | |
4075 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
4076 set_shared_spaces_flags(); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
4077 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4078 // Check the GC selections again. |
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
4079 if (!ArgumentsExt::check_gc_consistency_ergo()) { |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4080 return JNI_EINVAL; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4081 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4082 |
1783 | 4083 if (TieredCompilation) { |
4084 set_tiered_flags(); | |
4085 } else { | |
4086 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
4087 if (CompilationPolicyChoice >= 2) { | |
4088 vm_exit_during_initialization( | |
4089 "Incompatible compilation policy selected", NULL); | |
4090 } | |
4091 } | |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4092 // Set NmethodSweepFraction after the size of the code cache is adapted (in case of tiered) |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4093 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4094 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4095 } |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4096 |
1783 | 4097 |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
4098 // Set heap size based on available physical memory |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
4099 set_heap_size(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4100 |
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
4101 ArgumentsExt::set_gc_specific_flags(); |
0 | 4102 |
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4103 // Initialize Metaspace flags and alignments. |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4104 Metaspace::ergo_initialize(); |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4105 |
0 | 4106 // Set bytecode rewriting flags |
4107 set_bytecode_flags(); | |
4108 | |
4109 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
4110 set_aggressive_opts_flags(); | |
4111 | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4112 // Turn off biased locking for locking debug mode flags, |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4113 // 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
|
4114 // biased locking. |
2331 | 4115 if (UseHeavyMonitors |
4116 #ifdef COMPILER1 | |
4117 || !UseFastLocking | |
4118 #endif // COMPILER1 | |
22298 | 4119 #if INCLUDE_JVMCI |
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
21346
diff
changeset
|
4120 || !JVMCIUseFastLocking |
22298 | 4121 #endif |
2331 | 4122 ) { |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4123 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4124 // 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
|
4125 // can't enable biased locking here |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4126 warning("Biased Locking is not supported with locking debug flags" |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4127 "; ignoring UseBiasedLocking flag." ); |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4128 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4129 UseBiasedLocking = false; |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4130 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4131 |
14420
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
4132 #ifdef ZERO |
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
4133 // Clear flags not supported on zero. |
1131 | 4134 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
0 | 4135 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
1131 | 4136 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4137 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
1131 | 4138 #endif // CC_INTERP |
4139 | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4140 #ifdef COMPILER2 |
4777 | 4141 if (!EliminateLocks) { |
4142 EliminateNestedLocks = false; | |
4143 } | |
7473 | 4144 if (!Inline) { |
4145 IncrementalInline = false; | |
4146 } | |
4147 #ifndef PRODUCT | |
4148 if (!IncrementalInline) { | |
4149 AlwaysIncrementalInline = false; | |
4150 } | |
4151 #endif | |
4152 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
4153 // incremental inlining: bump MaxNodeLimit | |
4154 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
4155 } | |
12966 | 4156 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
4157 // nothing to use the profiling, turn if off | |
4158 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
4159 } | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4160 #endif |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4161 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4162 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4163 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
|
4164 DebugNonSafepoints = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4165 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4166 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4167 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4168 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
|
4169 } |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4170 |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4171 #ifndef PRODUCT |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4172 if (CompileTheWorld) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4173 // 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
|
4174 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4175 NmethodSweepFraction = 1; |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4176 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4177 } |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4178 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4179 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4180 if (use_vm_log()) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4181 LogVMOutput = true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4182 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4183 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4184 #endif // PRODUCT |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4185 |
0 | 4186 if (PrintCommandLineFlags) { |
4773 | 4187 CommandLineFlags::printSetFlags(tty); |
0 | 4188 } |
4189 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4190 // Apply CPU specific policy for the BiasedLocking |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4191 if (UseBiasedLocking) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4192 if (!VM_Version::use_biased_locking() && |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4193 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4194 UseBiasedLocking = false; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4195 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4196 } |
17780 | 4197 #ifdef COMPILER2 |
4198 if (!UseBiasedLocking || EmitSync != 0) { | |
4199 UseOptoBiasInlining = false; | |
4200 } | |
4201 #endif | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4202 |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4203 // 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
|
4204 // 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
|
4205 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
|
4206 bool set = false; |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4207 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4208 if (!set) { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4209 FLAG_SET_DEFAULT(PauseAtExit, true); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4210 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4211 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4212 |
0 | 4213 return JNI_OK; |
4214 } | |
4215 | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4216 jint Arguments::adjust_after_os() { |
20241 | 4217 if (UseNUMA) { |
4218 if (UseParallelGC || UseParallelOldGC) { | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4219 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
20241 | 4220 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4221 } |
20241 | 4222 } |
4223 // UseNUMAInterleaving is set to ON for all collectors and | |
4224 // platforms when UseNUMA is set to ON. NUMA-aware collectors | |
4225 // such as the parallel collector for Linux and Solaris will | |
4226 // interleave old gen and survivor spaces on top of NUMA | |
4227 // allocation policy for the eden space. | |
4228 // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on | |
4229 // all platforms and ParallelGC on Windows will interleave all | |
4230 // of the heap spaces across NUMA nodes. | |
4231 if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) { | |
4232 FLAG_SET_ERGO(bool, UseNUMAInterleaving, true); | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4233 } |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4234 } |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4235 return JNI_OK; |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4236 } |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4237 |
0 | 4238 int Arguments::PropertyList_count(SystemProperty* pl) { |
4239 int count = 0; | |
4240 while(pl != NULL) { | |
4241 count++; | |
4242 pl = pl->next(); | |
4243 } | |
4244 return count; | |
4245 } | |
4246 | |
4247 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
4248 assert(key != NULL, "just checking"); | |
4249 SystemProperty* prop; | |
4250 for (prop = pl; prop != NULL; prop = prop->next()) { | |
4251 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
4252 } | |
4253 return NULL; | |
4254 } | |
4255 | |
4256 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
4257 int count = 0; | |
4258 const char* ret_val = NULL; | |
4259 | |
4260 while(pl != NULL) { | |
4261 if(count >= index) { | |
4262 ret_val = pl->key(); | |
4263 break; | |
4264 } | |
4265 count++; | |
4266 pl = pl->next(); | |
4267 } | |
4268 | |
4269 return ret_val; | |
4270 } | |
4271 | |
4272 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
4273 int count = 0; | |
4274 char* ret_val = NULL; | |
4275 | |
4276 while(pl != NULL) { | |
4277 if(count >= index) { | |
4278 ret_val = pl->value(); | |
4279 break; | |
4280 } | |
4281 count++; | |
4282 pl = pl->next(); | |
4283 } | |
4284 | |
4285 return ret_val; | |
4286 } | |
4287 | |
4288 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
4289 SystemProperty* p = *plist; | |
4290 if (p == NULL) { | |
4291 *plist = new_p; | |
4292 } else { | |
4293 while (p->next() != NULL) { | |
4294 p = p->next(); | |
4295 } | |
4296 p->set_next(new_p); | |
4297 } | |
4298 } | |
4299 | |
4300 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
4301 if (plist == NULL) | |
4302 return; | |
4303 | |
4304 SystemProperty* new_p = new SystemProperty(k, v, true); | |
4305 PropertyList_add(plist, new_p); | |
4306 } | |
4307 | |
4308 // This add maintains unique property key in the list. | |
691 | 4309 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
0 | 4310 if (plist == NULL) |
4311 return; | |
4312 | |
4313 // If property key exist then update with new value. | |
4314 SystemProperty* prop; | |
4315 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
4316 if (strcmp(k, prop->key()) == 0) { | |
691 | 4317 if (append) { |
4318 prop->append_value(v); | |
4319 } else { | |
4320 prop->set_value(v); | |
4321 } | |
0 | 4322 return; |
4323 } | |
4324 } | |
4325 | |
4326 PropertyList_add(plist, k, v); | |
4327 } | |
4328 | |
4329 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
4330 // Returns true if all of the source pointed by src has been copied over to | |
4331 // the destination buffer pointed by buf. Otherwise, returns false. | |
4332 // Notes: | |
4333 // 1. If the length (buflen) of the destination buffer excluding the | |
4334 // NULL terminator character is not long enough for holding the expanded | |
4335 // pid characters, it also returns false instead of returning the partially | |
4336 // expanded one. | |
4337 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
4338 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
4339 char* buf, size_t buflen) { | |
4340 const char* p = src; | |
4341 char* b = buf; | |
4342 const char* src_end = &src[srclen]; | |
4343 char* buf_end = &buf[buflen - 1]; | |
4344 | |
4345 while (p < src_end && b < buf_end) { | |
4346 if (*p == '%') { | |
4347 switch (*(++p)) { | |
4348 case '%': // "%%" ==> "%" | |
4349 *b++ = *p++; | |
4350 break; | |
4351 case 'p': { // "%p" ==> current process id | |
4352 // buf_end points to the character before the last character so | |
4353 // that we could write '\0' to the end of the buffer. | |
4354 size_t buf_sz = buf_end - b + 1; | |
4355 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
4356 | |
4357 // if jio_snprintf fails or the buffer is not long enough to hold | |
4358 // the expanded pid, returns false. | |
4359 if (ret < 0 || ret >= (int)buf_sz) { | |
4360 return false; | |
4361 } else { | |
4362 b += ret; | |
4363 assert(*b == '\0', "fail in copy_expand_pid"); | |
4364 if (p == src_end && b == buf_end + 1) { | |
4365 // reach the end of the buffer. | |
4366 return true; | |
4367 } | |
4368 } | |
4369 p++; | |
4370 break; | |
4371 } | |
4372 default : | |
4373 *b++ = '%'; | |
4374 } | |
4375 } else { | |
4376 *b++ = *p++; | |
4377 } | |
4378 } | |
4379 *b = '\0'; | |
4380 return (p == src_end); // return false if not all of the source was copied | |
4381 } |