Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 21445:567fd5394b80
NodeLIRBuilder#getExactPhiKind: handle non-java constants.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Thu, 21 May 2015 11:51:32 +0200 |
parents | 5e09292fb017 |
children | 28cbfacd0518 be896a1983c0 |
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" |
47 #ifdef TARGET_OS_FAMILY_linux | |
48 # include "os_linux.inline.hpp" | |
49 #endif | |
50 #ifdef TARGET_OS_FAMILY_solaris | |
51 # include "os_solaris.inline.hpp" | |
52 #endif | |
53 #ifdef TARGET_OS_FAMILY_windows | |
54 # include "os_windows.inline.hpp" | |
55 #endif | |
14411 | 56 #ifdef TARGET_OS_FAMILY_aix |
57 # include "os_aix.inline.hpp" | |
58 #endif | |
3960 | 59 #ifdef TARGET_OS_FAMILY_bsd |
60 # include "os_bsd.inline.hpp" | |
61 #endif | |
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62 #if INCLUDE_ALL_GCS |
1972 | 63 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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64 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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65 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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66 #endif // INCLUDE_ALL_GCS |
0 | 67 |
2474 | 68 // Note: This is a special bug reporting site for the JVM |
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69 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.java.com/bugreport/crash.jsp" |
0 | 70 #define DEFAULT_JAVA_LAUNCHER "generic" |
71 | |
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72 // Disable options not supported in this release, with a warning if they |
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73 // were explicitly requested on the command-line |
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74 #define UNSUPPORTED_OPTION(opt, description) \ |
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75 do { \ |
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76 if (opt) { \ |
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77 if (FLAG_IS_CMDLINE(opt)) { \ |
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78 warning(description " is disabled in this release."); \ |
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79 } \ |
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80 FLAG_SET_DEFAULT(opt, false); \ |
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81 } \ |
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82 } while(0) |
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83 |
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84 #define UNSUPPORTED_GC_OPTION(gc) \ |
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85 do { \ |
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86 if (gc) { \ |
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87 if (FLAG_IS_CMDLINE(gc)) { \ |
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88 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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89 } \ |
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90 FLAG_SET_DEFAULT(gc, false); \ |
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91 } \ |
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92 } while(0) |
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93 |
0 | 94 char** Arguments::_jvm_flags_array = NULL; |
95 int Arguments::_num_jvm_flags = 0; | |
96 char** Arguments::_jvm_args_array = NULL; | |
97 int Arguments::_num_jvm_args = 0; | |
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98 #ifdef GRAAL |
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99 char** Arguments::_graal_args_array = NULL; |
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100 int Arguments::_num_graal_args = 0; |
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101 #endif |
0 | 102 char* Arguments::_java_command = NULL; |
103 SystemProperty* Arguments::_system_properties = NULL; | |
104 const char* Arguments::_gc_log_filename = NULL; | |
105 bool Arguments::_has_profile = false; | |
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106 size_t Arguments::_conservative_max_heap_alignment = 0; |
0 | 107 uintx Arguments::_min_heap_size = 0; |
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108 uintx Arguments::_min_heap_free_ratio = 0; |
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109 uintx Arguments::_max_heap_free_ratio = 0; |
0 | 110 Arguments::Mode Arguments::_mode = _mixed; |
111 bool Arguments::_java_compiler = false; | |
112 bool Arguments::_xdebug_mode = false; | |
113 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
114 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
115 int Arguments::_sun_java_launcher_pid = -1; | |
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116 bool Arguments::_created_by_gamma_launcher = false; |
0 | 117 |
118 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
119 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
120 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
121 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
122 bool Arguments::_ClipInlining = ClipInlining; | |
123 | |
124 char* Arguments::SharedArchivePath = NULL; | |
125 | |
126 AgentLibraryList Arguments::_libraryList; | |
127 AgentLibraryList Arguments::_agentList; | |
128 | |
129 abort_hook_t Arguments::_abort_hook = NULL; | |
130 exit_hook_t Arguments::_exit_hook = NULL; | |
131 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
132 | |
133 | |
134 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
135 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
136 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
137 SystemProperty *Arguments::_java_library_path = NULL; | |
138 SystemProperty *Arguments::_java_home = NULL; | |
139 SystemProperty *Arguments::_java_class_path = NULL; | |
140 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
141 | |
142 char* Arguments::_meta_index_path = NULL; | |
143 char* Arguments::_meta_index_dir = NULL; | |
144 | |
145 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
146 | |
147 static bool match_option(const JavaVMOption *option, const char* name, | |
148 const char** tail) { | |
149 int len = (int)strlen(name); | |
150 if (strncmp(option->optionString, name, len) == 0) { | |
151 *tail = option->optionString + len; | |
152 return true; | |
153 } else { | |
154 return false; | |
155 } | |
156 } | |
157 | |
158 static void logOption(const char* opt) { | |
159 if (PrintVMOptions) { | |
160 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
161 } | |
162 } | |
163 | |
164 // Process java launcher properties. | |
165 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
166 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
167 // Must do this before setting up other system properties, | |
168 // as some of them may depend on launcher type. | |
169 for (int index = 0; index < args->nOptions; index++) { | |
170 const JavaVMOption* option = args->options + index; | |
171 const char* tail; | |
172 | |
173 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
174 process_java_launcher_argument(tail, option->extraInfo); | |
175 continue; | |
176 } | |
177 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
178 _sun_java_launcher_pid = atoi(tail); | |
179 continue; | |
180 } | |
181 } | |
182 } | |
183 | |
184 // Initialize system properties key and value. | |
185 void Arguments::init_system_properties() { | |
186 | |
187 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
188 "Java Virtual Machine Specification", false)); | |
189 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
190 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
191 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
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192 #ifdef GRAAL |
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193 #ifdef GRAAL_VERSION |
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194 PropertyList_add(&_system_properties, new SystemProperty("graal.version", GRAAL_VERSION, true)); |
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195 #else |
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196 PropertyList_add(&_system_properties, new SystemProperty("graal.version", "unknown", true)); |
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197 #endif |
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198 #endif |
0 | 199 |
200 // following are JVMTI agent writeable properties. | |
201 // Properties values are set to NULL and they are | |
202 // os specific they are initialized in os::init_system_properties_values(). | |
203 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
204 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
205 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
206 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
207 _java_home = new SystemProperty("java.home", NULL, true); | |
208 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
209 | |
210 _java_class_path = new SystemProperty("java.class.path", "", true); | |
211 | |
212 // Add to System Property list. | |
213 PropertyList_add(&_system_properties, _java_ext_dirs); | |
214 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
215 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
216 PropertyList_add(&_system_properties, _java_library_path); | |
217 PropertyList_add(&_system_properties, _java_home); | |
218 PropertyList_add(&_system_properties, _java_class_path); | |
219 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
220 | |
221 // Set OS specific system properties values | |
222 os::init_system_properties_values(); | |
223 } | |
224 | |
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225 |
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226 // Update/Initialize System properties after JDK version number is known |
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227 void Arguments::init_version_specific_system_properties() { |
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228 enum { bufsz = 16 }; |
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229 char buffer[bufsz]; |
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230 const char* spec_vendor = "Sun Microsystems Inc."; |
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231 uint32_t spec_version = 0; |
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232 |
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233 if (JDK_Version::is_gte_jdk17x_version()) { |
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234 spec_vendor = "Oracle Corporation"; |
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235 spec_version = JDK_Version::current().major_version(); |
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236 } |
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237 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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238 |
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239 PropertyList_add(&_system_properties, |
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240 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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241 PropertyList_add(&_system_properties, |
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242 new SystemProperty("java.vm.specification.version", buffer, false)); |
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243 PropertyList_add(&_system_properties, |
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244 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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245 } |
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246 |
242 | 247 /** |
248 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
249 * When a flag is eliminated, it can be added to this list in order to | |
250 * continue accepting this flag on the command-line, while issuing a warning | |
251 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
252 * limit, we flatly refuse to admit the existence of the flag. This allows | |
253 * a flag to die correctly over JDK releases using HSX. | |
254 */ | |
255 typedef struct { | |
256 const char* name; | |
257 JDK_Version obsoleted_in; // when the flag went away | |
258 JDK_Version accept_until; // which version to start denying the existence | |
259 } ObsoleteFlag; | |
0 | 260 |
242 | 261 static ObsoleteFlag obsolete_jvm_flags[] = { |
262 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
263 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
264 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
265 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
266 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
267 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
268 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
269 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
270 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
271 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
272 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
273 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
274 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
275 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
1064 | 276 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
277 { "DefaultInitialRAMFraction", | |
278 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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279 { "UseDepthFirstScavengeOrder", |
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280 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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281 { "HandlePromotionFailure", |
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282 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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283 { "MaxLiveObjectEvacuationRatio", |
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284 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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285 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
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286 { "UseParallelOldGCCompacting", |
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287 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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288 { "UseParallelDensePrefixUpdate", |
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289 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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290 { "UseParallelOldGCDensePrefix", |
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291 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
2460 | 292 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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293 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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294 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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295 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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298 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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299 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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300 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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301 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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302 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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303 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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304 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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305 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
6916 | 306 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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307 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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308 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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309 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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310 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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311 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
17672 | 312 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
20360 | 313 { "AutoShutdownNMT", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
20575 | 314 { "CompilationRepeat", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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315 #ifdef PRODUCT |
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316 { "DesiredMethodLimit", |
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317 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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318 #endif // PRODUCT |
242 | 319 { NULL, JDK_Version(0), JDK_Version(0) } |
320 }; | |
321 | |
322 // Returns true if the flag is obsolete and fits into the range specified | |
323 // for being ignored. In the case that the flag is ignored, the 'version' | |
324 // value is filled in with the version number when the flag became | |
325 // obsolete so that that value can be displayed to the user. | |
326 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
0 | 327 int i = 0; |
242 | 328 assert(version != NULL, "Must provide a version buffer"); |
329 while (obsolete_jvm_flags[i].name != NULL) { | |
330 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
0 | 331 // <flag>=xxx form |
332 // [-|+]<flag> form | |
242 | 333 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
0 | 334 ((s[0] == '+' || s[0] == '-') && |
242 | 335 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
336 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
337 *version = flag_status.obsoleted_in; | |
338 return true; | |
339 } | |
0 | 340 } |
341 i++; | |
342 } | |
343 return false; | |
344 } | |
345 | |
346 // Constructs the system class path (aka boot class path) from the following | |
347 // components, in order: | |
348 // | |
349 // prefix // from -Xbootclasspath/p:... | |
350 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
351 // base // from os::get_system_properties() or -Xbootclasspath= | |
352 // suffix // from -Xbootclasspath/a:... | |
353 // | |
354 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
355 // directories are added to the sysclasspath just before the base. | |
356 // | |
357 // This could be AllStatic, but it isn't needed after argument processing is | |
358 // complete. | |
359 class SysClassPath: public StackObj { | |
360 public: | |
361 SysClassPath(const char* base); | |
362 ~SysClassPath(); | |
363 | |
364 inline void set_base(const char* base); | |
365 inline void add_prefix(const char* prefix); | |
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366 inline void add_suffix_to_prefix(const char* suffix); |
0 | 367 inline void add_suffix(const char* suffix); |
368 inline void reset_path(const char* base); | |
369 | |
370 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
371 // property. Must be called after all command-line arguments have been | |
372 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
373 // combined_path(). | |
374 void expand_endorsed(); | |
375 | |
376 inline const char* get_base() const { return _items[_scp_base]; } | |
377 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
378 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
379 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
380 | |
381 // Combine all the components into a single c-heap-allocated string; caller | |
382 // must free the string if/when no longer needed. | |
383 char* combined_path(); | |
384 | |
385 private: | |
386 // Utility routines. | |
387 static char* add_to_path(const char* path, const char* str, bool prepend); | |
388 static char* add_jars_to_path(char* path, const char* directory); | |
389 | |
390 inline void reset_item_at(int index); | |
391 | |
392 // Array indices for the items that make up the sysclasspath. All except the | |
393 // base are allocated in the C heap and freed by this class. | |
394 enum { | |
395 _scp_prefix, // from -Xbootclasspath/p:... | |
396 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
397 _scp_base, // the default sysclasspath | |
398 _scp_suffix, // from -Xbootclasspath/a:... | |
399 _scp_nitems // the number of items, must be last. | |
400 }; | |
401 | |
402 const char* _items[_scp_nitems]; | |
403 DEBUG_ONLY(bool _expansion_done;) | |
404 }; | |
405 | |
406 SysClassPath::SysClassPath(const char* base) { | |
407 memset(_items, 0, sizeof(_items)); | |
408 _items[_scp_base] = base; | |
409 DEBUG_ONLY(_expansion_done = false;) | |
410 } | |
411 | |
412 SysClassPath::~SysClassPath() { | |
413 // Free everything except the base. | |
414 for (int i = 0; i < _scp_nitems; ++i) { | |
415 if (i != _scp_base) reset_item_at(i); | |
416 } | |
417 DEBUG_ONLY(_expansion_done = false;) | |
418 } | |
419 | |
420 inline void SysClassPath::set_base(const char* base) { | |
421 _items[_scp_base] = base; | |
422 } | |
423 | |
424 inline void SysClassPath::add_prefix(const char* prefix) { | |
425 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
426 } | |
427 | |
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428 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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429 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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430 } |
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431 |
0 | 432 inline void SysClassPath::add_suffix(const char* suffix) { |
433 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
434 } | |
435 | |
436 inline void SysClassPath::reset_item_at(int index) { | |
437 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
438 if (_items[index] != NULL) { | |
6197 | 439 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
0 | 440 _items[index] = NULL; |
441 } | |
442 } | |
443 | |
444 inline void SysClassPath::reset_path(const char* base) { | |
445 // Clear the prefix and suffix. | |
446 reset_item_at(_scp_prefix); | |
447 reset_item_at(_scp_suffix); | |
448 set_base(base); | |
449 } | |
450 | |
451 //------------------------------------------------------------------------------ | |
452 | |
453 void SysClassPath::expand_endorsed() { | |
454 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
455 | |
456 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
457 if (path == NULL) { | |
458 path = Arguments::get_endorsed_dir(); | |
459 assert(path != NULL, "no default for java.endorsed.dirs"); | |
460 } | |
461 | |
462 char* expanded_path = NULL; | |
463 const char separator = *os::path_separator(); | |
464 const char* const end = path + strlen(path); | |
465 while (path < end) { | |
466 const char* tmp_end = strchr(path, separator); | |
467 if (tmp_end == NULL) { | |
468 expanded_path = add_jars_to_path(expanded_path, path); | |
469 path = end; | |
470 } else { | |
6197 | 471 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
0 | 472 memcpy(dirpath, path, tmp_end - path); |
473 dirpath[tmp_end - path] = '\0'; | |
474 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
6197 | 475 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
0 | 476 path = tmp_end + 1; |
477 } | |
478 } | |
479 _items[_scp_endorsed] = expanded_path; | |
480 DEBUG_ONLY(_expansion_done = true;) | |
481 } | |
482 | |
483 // Combine the bootclasspath elements, some of which may be null, into a single | |
484 // c-heap-allocated string. | |
485 char* SysClassPath::combined_path() { | |
486 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
487 assert(_expansion_done, "must call expand_endorsed() first."); | |
488 | |
489 size_t lengths[_scp_nitems]; | |
490 size_t total_len = 0; | |
491 | |
492 const char separator = *os::path_separator(); | |
493 | |
494 // Get the lengths. | |
495 int i; | |
496 for (i = 0; i < _scp_nitems; ++i) { | |
497 if (_items[i] != NULL) { | |
498 lengths[i] = strlen(_items[i]); | |
499 // Include space for the separator char (or a NULL for the last item). | |
500 total_len += lengths[i] + 1; | |
501 } | |
502 } | |
503 assert(total_len > 0, "empty sysclasspath not allowed"); | |
504 | |
505 // Copy the _items to a single string. | |
6197 | 506 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
0 | 507 char* cp_tmp = cp; |
508 for (i = 0; i < _scp_nitems; ++i) { | |
509 if (_items[i] != NULL) { | |
510 memcpy(cp_tmp, _items[i], lengths[i]); | |
511 cp_tmp += lengths[i]; | |
512 *cp_tmp++ = separator; | |
513 } | |
514 } | |
515 *--cp_tmp = '\0'; // Replace the extra separator. | |
516 return cp; | |
517 } | |
518 | |
519 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
520 char* | |
521 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
522 char *cp; | |
523 | |
524 assert(str != NULL, "just checking"); | |
525 if (path == NULL) { | |
526 size_t len = strlen(str) + 1; | |
6197 | 527 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 528 memcpy(cp, str, len); // copy the trailing null |
529 } else { | |
530 const char separator = *os::path_separator(); | |
531 size_t old_len = strlen(path); | |
532 size_t str_len = strlen(str); | |
533 size_t len = old_len + str_len + 2; | |
534 | |
535 if (prepend) { | |
6197 | 536 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 537 char* cp_tmp = cp; |
538 memcpy(cp_tmp, str, str_len); | |
539 cp_tmp += str_len; | |
540 *cp_tmp = separator; | |
541 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
6197 | 542 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
0 | 543 } else { |
6197 | 544 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
0 | 545 char* cp_tmp = cp + old_len; |
546 *cp_tmp = separator; | |
547 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
548 } | |
549 } | |
550 return cp; | |
551 } | |
552 | |
553 // Scan the directory and append any jar or zip files found to path. | |
554 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
555 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
556 DIR* dir = os::opendir(directory); | |
557 if (dir == NULL) return path; | |
558 | |
559 char dir_sep[2] = { '\0', '\0' }; | |
560 size_t directory_len = strlen(directory); | |
561 const char fileSep = *os::file_separator(); | |
562 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
563 | |
564 /* Scan the directory for jars/zips, appending them to path. */ | |
565 struct dirent *entry; | |
6197 | 566 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
0 | 567 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
568 const char* name = entry->d_name; | |
569 const char* ext = name + strlen(name) - 4; | |
570 bool isJarOrZip = ext > name && | |
571 (os::file_name_strcmp(ext, ".jar") == 0 || | |
572 os::file_name_strcmp(ext, ".zip") == 0); | |
573 if (isJarOrZip) { | |
6197 | 574 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
0 | 575 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
576 path = add_to_path(path, jarpath, false); | |
6197 | 577 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
0 | 578 } |
579 } | |
6197 | 580 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
0 | 581 os::closedir(dir); |
582 return path; | |
583 } | |
584 | |
585 // Parses a memory size specification string. | |
489
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586 static bool atomull(const char *s, julong* result) { |
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587 julong n = 0; |
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588 int args_read = sscanf(s, JULONG_FORMAT, &n); |
0 | 589 if (args_read != 1) { |
590 return false; | |
591 } | |
592 while (*s != '\0' && isdigit(*s)) { | |
593 s++; | |
594 } | |
595 // 4705540: illegal if more characters are found after the first non-digit | |
596 if (strlen(s) > 1) { | |
597 return false; | |
598 } | |
599 switch (*s) { | |
600 case 'T': case 't': | |
601 *result = n * G * K; | |
489
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602 // Check for overflow. |
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603 if (*result/((julong)G * K) != n) return false; |
0 | 604 return true; |
605 case 'G': case 'g': | |
606 *result = n * G; | |
489
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607 if (*result/G != n) return false; |
0 | 608 return true; |
609 case 'M': case 'm': | |
610 *result = n * M; | |
489
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611 if (*result/M != n) return false; |
0 | 612 return true; |
613 case 'K': case 'k': | |
614 *result = n * K; | |
489
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615 if (*result/K != n) return false; |
0 | 616 return true; |
617 case '\0': | |
618 *result = n; | |
619 return true; | |
620 default: | |
621 return false; | |
622 } | |
623 } | |
624 | |
489
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625 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
0 | 626 if (size < min_size) return arg_too_small; |
627 // Check that size will fit in a size_t (only relevant on 32-bit) | |
489
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628 if (size > max_uintx) return arg_too_big; |
0 | 629 return arg_in_range; |
630 } | |
631 | |
632 // Describe an argument out of range error | |
633 void Arguments::describe_range_error(ArgsRange errcode) { | |
634 switch(errcode) { | |
635 case arg_too_big: | |
636 jio_fprintf(defaultStream::error_stream(), | |
637 "The specified size exceeds the maximum " | |
638 "representable size.\n"); | |
639 break; | |
640 case arg_too_small: | |
641 case arg_unreadable: | |
642 case arg_in_range: | |
643 // do nothing for now | |
644 break; | |
645 default: | |
646 ShouldNotReachHere(); | |
647 } | |
648 } | |
649 | |
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650 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
0 | 651 return CommandLineFlags::boolAtPut(name, &value, origin); |
652 } | |
653 | |
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654 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
0 | 655 double v; |
656 if (sscanf(value, "%lf", &v) != 1) { | |
657 return false; | |
658 } | |
659 | |
660 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
661 return true; | |
662 } | |
663 return false; | |
664 } | |
665 | |
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666 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
489
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667 julong v; |
0 | 668 intx intx_v; |
669 bool is_neg = false; | |
489
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670 // Check the sign first since atomull() parses only unsigned values. |
0 | 671 if (*value == '-') { |
672 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
673 return false; | |
674 } | |
675 value++; | |
676 is_neg = true; | |
677 } | |
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678 if (!atomull(value, &v)) { |
0 | 679 return false; |
680 } | |
681 intx_v = (intx) v; | |
682 if (is_neg) { | |
683 intx_v = -intx_v; | |
684 } | |
685 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
686 return true; | |
687 } | |
688 uintx uintx_v = (uintx) v; | |
689 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
690 return true; | |
691 } | |
1064 | 692 uint64_t uint64_t_v = (uint64_t) v; |
693 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
694 return true; | |
695 } | |
0 | 696 return false; |
697 } | |
698 | |
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699 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
0 | 700 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
701 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 702 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 703 return true; |
704 } | |
705 | |
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706 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
0 | 707 const char* old_value = ""; |
708 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
709 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
710 size_t new_len = strlen(new_value); | |
711 const char* value; | |
712 char* free_this_too = NULL; | |
713 if (old_len == 0) { | |
714 value = new_value; | |
715 } else if (new_len == 0) { | |
716 value = old_value; | |
717 } else { | |
6197 | 718 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
0 | 719 // each new setting adds another LINE to the switch: |
720 sprintf(buf, "%s\n%s", old_value, new_value); | |
721 value = buf; | |
722 free_this_too = buf; | |
723 } | |
724 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
725 // CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 726 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 727 if (free_this_too != NULL) { |
728 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
6197 | 729 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
0 | 730 } |
731 return true; | |
732 } | |
733 | |
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734 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
0 | 735 |
736 // range of acceptable characters spelled out for portability reasons | |
737 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
738 #define BUFLEN 255 | |
739 char name[BUFLEN+1]; | |
740 char dummy; | |
741 | |
742 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
743 return set_bool_flag(name, false, origin); | |
744 } | |
745 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
746 return set_bool_flag(name, true, origin); | |
747 } | |
748 | |
749 char punct; | |
750 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
751 const char* value = strchr(arg, '=') + 1; | |
752 Flag* flag = Flag::find_flag(name, strlen(name)); | |
753 if (flag != NULL && flag->is_ccstr()) { | |
754 if (flag->ccstr_accumulates()) { | |
755 return append_to_string_flag(name, value, origin); | |
756 } else { | |
757 if (value[0] == '\0') { | |
758 value = NULL; | |
759 } | |
760 return set_string_flag(name, value, origin); | |
761 } | |
762 } | |
763 } | |
764 | |
765 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
766 const char* value = strchr(arg, '=') + 1; | |
767 // -XX:Foo:=xxx will reset the string flag to the given value. | |
768 if (value[0] == '\0') { | |
769 value = NULL; | |
770 } | |
771 return set_string_flag(name, value, origin); | |
772 } | |
773 | |
774 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
775 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
776 #define NUMBER_RANGE "[0123456789]" | |
777 char value[BUFLEN + 1]; | |
778 char value2[BUFLEN + 1]; | |
779 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
780 // Looks like a floating-point number -- try again with more lenient format string | |
781 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
782 return set_fp_numeric_flag(name, value, origin); | |
783 } | |
784 } | |
785 | |
786 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
787 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
788 return set_numeric_flag(name, value, origin); | |
789 } | |
790 | |
791 return false; | |
792 } | |
793 | |
794 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
795 assert(bldarray != NULL, "illegal argument"); | |
796 | |
797 if (arg == NULL) { | |
798 return; | |
799 } | |
800 | |
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801 int new_count = *count + 1; |
0 | 802 |
803 // expand the array and add arg to the last element | |
804 if (*bldarray == NULL) { | |
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805 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
0 | 806 } else { |
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807 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
0 | 808 } |
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809 (*bldarray)[*count] = strdup(arg); |
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810 *count = new_count; |
0 | 811 } |
812 | |
813 void Arguments::build_jvm_args(const char* arg) { | |
814 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
815 } | |
816 | |
817 void Arguments::build_jvm_flags(const char* arg) { | |
818 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
819 } | |
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820 #ifdef GRAAL |
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821 void Arguments::add_graal_arg(const char* arg) { |
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822 add_string(&_graal_args_array, &_num_graal_args, arg); |
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823 } |
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824 #endif |
0 | 825 |
826 // utility function to return a string that concatenates all | |
827 // strings in a given char** array | |
828 const char* Arguments::build_resource_string(char** args, int count) { | |
829 if (args == NULL || count == 0) { | |
830 return NULL; | |
831 } | |
832 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
833 for (int i = 1; i < count; i++) { | |
834 length += strlen(args[i]) + 1; // add 1 for a space | |
835 } | |
836 char* s = NEW_RESOURCE_ARRAY(char, length); | |
837 strcpy(s, args[0]); | |
838 for (int j = 1; j < count; j++) { | |
839 strcat(s, " "); | |
840 strcat(s, args[j]); | |
841 } | |
842 return (const char*) s; | |
843 } | |
844 | |
845 void Arguments::print_on(outputStream* st) { | |
846 st->print_cr("VM Arguments:"); | |
847 if (num_jvm_flags() > 0) { | |
848 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
849 } | |
850 if (num_jvm_args() > 0) { | |
851 st->print("jvm_args: "); print_jvm_args_on(st); | |
852 } | |
853 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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854 if (_java_class_path != NULL) { |
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855 char* path = _java_class_path->value(); |
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856 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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857 } |
0 | 858 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
859 } | |
860 | |
861 void Arguments::print_jvm_flags_on(outputStream* st) { | |
862 if (_num_jvm_flags > 0) { | |
863 for (int i=0; i < _num_jvm_flags; i++) { | |
864 st->print("%s ", _jvm_flags_array[i]); | |
865 } | |
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866 st->cr(); |
0 | 867 } |
868 } | |
869 | |
870 void Arguments::print_jvm_args_on(outputStream* st) { | |
871 if (_num_jvm_args > 0) { | |
872 for (int i=0; i < _num_jvm_args; i++) { | |
873 st->print("%s ", _jvm_args_array[i]); | |
874 } | |
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875 st->cr(); |
0 | 876 } |
877 } | |
878 | |
242 | 879 bool Arguments::process_argument(const char* arg, |
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880 jboolean ignore_unrecognized, Flag::Flags origin) { |
242 | 881 |
882 JDK_Version since = JDK_Version(); | |
0 | 883 |
3250 | 884 if (parse_argument(arg, origin) || ignore_unrecognized) { |
885 return true; | |
0 | 886 } |
3250 | 887 |
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888 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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889 const char* const argname = has_plus_minus ? arg + 1 : arg; |
3250 | 890 if (is_newly_obsolete(arg, &since)) { |
891 char version[256]; | |
892 since.to_string(version, sizeof(version)); | |
893 warning("ignoring option %s; support was removed in %s", argname, version); | |
894 return true; | |
895 } | |
896 | |
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897 // For locked flags, report a custom error message if available. |
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898 // Otherwise, report the standard unrecognized VM option. |
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899 |
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900 size_t arg_len; |
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901 const char* equal_sign = strchr(argname, '='); |
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902 if (equal_sign == NULL) { |
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903 arg_len = strlen(argname); |
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904 } else { |
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905 arg_len = equal_sign - argname; |
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906 } |
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907 |
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908 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
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909 if (found_flag != NULL) { |
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910 char locked_message_buf[BUFLEN]; |
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911 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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912 if (strlen(locked_message_buf) == 0) { |
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913 if (found_flag->is_bool() && !has_plus_minus) { |
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914 jio_fprintf(defaultStream::error_stream(), |
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915 "Missing +/- setting for VM option '%s'\n", argname); |
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916 } else if (!found_flag->is_bool() && has_plus_minus) { |
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917 jio_fprintf(defaultStream::error_stream(), |
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918 "Unexpected +/- setting in VM option '%s'\n", argname); |
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919 } else { |
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920 jio_fprintf(defaultStream::error_stream(), |
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921 "Improperly specified VM option '%s'\n", argname); |
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922 } |
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923 } else { |
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924 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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925 } |
6017 | 926 } else { |
927 jio_fprintf(defaultStream::error_stream(), | |
928 "Unrecognized VM option '%s'\n", argname); | |
11070 | 929 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
930 if (fuzzy_matched != NULL) { | |
931 jio_fprintf(defaultStream::error_stream(), | |
932 "Did you mean '%s%s%s'?\n", | |
933 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
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934 fuzzy_matched->_name, |
11070 | 935 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
936 } | |
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937 } |
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938 |
3250 | 939 // allow for commandline "commenting out" options like -XX:#+Verbose |
940 return arg[0] == '#'; | |
0 | 941 } |
942 | |
943 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
944 FILE* stream = fopen(file_name, "rb"); | |
945 if (stream == NULL) { | |
946 if (should_exist) { | |
947 jio_fprintf(defaultStream::error_stream(), | |
948 "Could not open settings file %s\n", file_name); | |
949 return false; | |
950 } else { | |
951 return true; | |
952 } | |
953 } | |
954 | |
955 char token[1024]; | |
956 int pos = 0; | |
957 | |
958 bool in_white_space = true; | |
959 bool in_comment = false; | |
960 bool in_quote = false; | |
961 char quote_c = 0; | |
962 bool result = true; | |
963 | |
964 int c = getc(stream); | |
6901 | 965 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
0 | 966 if (in_white_space) { |
967 if (in_comment) { | |
968 if (c == '\n') in_comment = false; | |
969 } else { | |
970 if (c == '#') in_comment = true; | |
971 else if (!isspace(c)) { | |
972 in_white_space = false; | |
973 token[pos++] = c; | |
974 } | |
975 } | |
976 } else { | |
977 if (c == '\n' || (!in_quote && isspace(c))) { | |
978 // token ends at newline, or at unquoted whitespace | |
979 // this allows a way to include spaces in string-valued options | |
980 token[pos] = '\0'; | |
981 logOption(token); | |
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982 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 983 build_jvm_flags(token); |
984 pos = 0; | |
985 in_white_space = true; | |
986 in_quote = false; | |
987 } else if (!in_quote && (c == '\'' || c == '"')) { | |
988 in_quote = true; | |
989 quote_c = c; | |
990 } else if (in_quote && (c == quote_c)) { | |
991 in_quote = false; | |
992 } else { | |
993 token[pos++] = c; | |
994 } | |
995 } | |
996 c = getc(stream); | |
997 } | |
998 if (pos > 0) { | |
999 token[pos] = '\0'; | |
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1000 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 1001 build_jvm_flags(token); |
1002 } | |
1003 fclose(stream); | |
1004 return result; | |
1005 } | |
1006 | |
1007 //============================================================================================================= | |
1008 // Parsing of properties (-D) | |
1009 | |
1010 const char* Arguments::get_property(const char* key) { | |
1011 return PropertyList_get_value(system_properties(), key); | |
1012 } | |
1013 | |
1014 bool Arguments::add_property(const char* prop) { | |
1015 const char* eq = strchr(prop, '='); | |
1016 char* key; | |
1017 // ns must be static--its address may be stored in a SystemProperty object. | |
1018 const static char ns[1] = {0}; | |
1019 char* value = (char *)ns; | |
1020 | |
1021 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
6197 | 1022 key = AllocateHeap(key_len + 1, mtInternal); |
0 | 1023 strncpy(key, prop, key_len); |
1024 key[key_len] = '\0'; | |
1025 | |
1026 if (eq != NULL) { | |
1027 size_t value_len = strlen(prop) - key_len - 1; | |
6197 | 1028 value = AllocateHeap(value_len + 1, mtInternal); |
0 | 1029 strncpy(value, &prop[key_len + 1], value_len + 1); |
1030 } | |
1031 | |
1032 if (strcmp(key, "java.compiler") == 0) { | |
1033 process_java_compiler_argument(value); | |
1034 FreeHeap(key); | |
1035 if (eq != NULL) { | |
1036 FreeHeap(value); | |
1037 } | |
1038 return true; | |
691 | 1039 } else if (strcmp(key, "sun.java.command") == 0) { |
0 | 1040 _java_command = value; |
1041 | |
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1042 // Record value in Arguments, but let it get passed to Java. |
691 | 1043 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
0 | 1044 // launcher.pid property is private and is processed |
1045 // in process_sun_java_launcher_properties(); | |
1046 // the sun.java.launcher property is passed on to the java application | |
1047 FreeHeap(key); | |
1048 if (eq != NULL) { | |
1049 FreeHeap(value); | |
1050 } | |
1051 return true; | |
691 | 1052 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
0 | 1053 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
1054 // its value without going through the property list or making a Java call. | |
1055 _java_vendor_url_bug = value; | |
691 | 1056 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
1057 PropertyList_unique_add(&_system_properties, key, value, true); | |
1058 return true; | |
0 | 1059 } |
1060 // Create new property and add at the end of the list | |
1061 PropertyList_unique_add(&_system_properties, key, value); | |
1062 return true; | |
1063 } | |
1064 | |
1065 //=========================================================================================================== | |
1066 // Setting int/mixed/comp mode flags | |
1067 | |
1068 void Arguments::set_mode_flags(Mode mode) { | |
1069 // Set up default values for all flags. | |
1070 // If you add a flag to any of the branches below, | |
1071 // add a default value for it here. | |
1072 set_java_compiler(false); | |
1073 _mode = mode; | |
1074 | |
1075 // Ensure Agent_OnLoad has the correct initial values. | |
1076 // This may not be the final mode; mode may change later in onload phase. | |
1077 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1078 (char*)VM_Version::vm_info_string(), false); |
0 | 1079 |
1080 UseInterpreter = true; | |
1081 UseCompiler = true; | |
1082 UseLoopCounter = true; | |
1083 | |
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1084 #ifndef ZERO |
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1085 // Turn these off for mixed and comp. Leave them on for Zero. |
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1086 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
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1087 UseFastAccessorMethods = (mode == _int); |
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1088 } |
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1089 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1090 UseFastEmptyMethods = (mode == _int); |
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1091 } |
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1092 #endif |
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1093 |
0 | 1094 // Default values may be platform/compiler dependent - |
1095 // use the saved values | |
1096 ClipInlining = Arguments::_ClipInlining; | |
1097 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
1098 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
1099 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
1100 | |
1101 // Change from defaults based on mode | |
1102 switch (mode) { | |
1103 default: | |
1104 ShouldNotReachHere(); | |
1105 break; | |
1106 case _int: | |
1107 UseCompiler = false; | |
1108 UseLoopCounter = false; | |
1109 AlwaysCompileLoopMethods = false; | |
1110 UseOnStackReplacement = false; | |
1111 break; | |
1112 case _mixed: | |
1113 // same as default | |
1114 break; | |
1115 case _comp: | |
1116 UseInterpreter = false; | |
1117 BackgroundCompilation = false; | |
1118 ClipInlining = false; | |
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1119 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1120 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1121 // compile a level 4 (C2) and then continue executing it. |
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1122 if (TieredCompilation) { |
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1123 Tier3InvokeNotifyFreqLog = 0; |
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1124 Tier4InvocationThreshold = 0; |
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1125 } |
0 | 1126 break; |
1127 } | |
1128 } | |
1129 | |
12355 | 1130 #if defined(COMPILER2) || defined(GRAAL) || defined(_LP64) || !INCLUDE_CDS |
0 | 1131 // Conflict: required to use shared spaces (-Xshare:on), but |
1132 // incompatible command line options were chosen. | |
1133 | |
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1134 static void no_shared_spaces(const char* message) { |
0 | 1135 if (RequireSharedSpaces) { |
1136 jio_fprintf(defaultStream::error_stream(), | |
1137 "Class data sharing is inconsistent with other specified options.\n"); | |
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1138 vm_exit_during_initialization("Unable to use shared archive.", message); |
0 | 1139 } else { |
1140 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
1141 } | |
1142 } | |
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1143 #endif |
0 | 1144 |
1783 | 1145 void Arguments::set_tiered_flags() { |
2348
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1146 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
1783 | 1147 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
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1148 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
1783 | 1149 } |
1150 if (CompilationPolicyChoice < 2) { | |
1151 vm_exit_during_initialization( | |
1152 "Incompatible compilation policy selected", NULL); | |
1153 } | |
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1154 // Increase the code cache size - tiered compiles a lot more. |
1783 | 1155 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
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1156 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
1783 | 1157 } |
10278 | 1158 if (!UseInterpreter) { // -Xcomp |
1159 Tier3InvokeNotifyFreqLog = 0; | |
1160 Tier4InvocationThreshold = 0; | |
1161 } | |
1783 | 1162 } |
1163 | |
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1164 /** |
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1165 * Returns the minimum number of compiler threads needed to run the JVM. The following |
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1166 * configurations are possible. |
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1167 * |
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1168 * 1) The JVM is build using an interpreter only. As a result, the minimum number of |
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1169 * compiler threads is 0. |
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1170 * 2) The JVM is build using the compiler(s) and tiered compilation is disabled. As |
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1171 * a result, either C1 or C2 is used, so the minimum number of compiler threads is 1. |
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1172 * 3) The JVM is build using the compiler(s) and tiered compilation is enabled. However, |
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1173 * the option "TieredStopAtLevel < CompLevel_full_optimization". As a result, only |
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1174 * C1 can be used, so the minimum number of compiler threads is 1. |
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1175 * 4) The JVM is build using the compilers and tiered compilation is enabled. The option |
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1176 * 'TieredStopAtLevel = CompLevel_full_optimization' (the default value). As a result, |
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1177 * the minimum number of compiler threads is 2. |
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1178 */ |
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1179 int Arguments::get_min_number_of_compiler_threads() { |
20804 | 1180 #if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) && !defined(COMPILERGRAAL) |
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1181 return 0; // case 1 |
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1182 #else |
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1183 if (!TieredCompilation || (TieredStopAtLevel < CompLevel_full_optimization)) { |
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1184 return 1; // case 2 or case 3 |
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1185 } |
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1186 return 2; // case 4 (tiered) |
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1187 #endif |
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1188 } |
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1189 |
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1190 #if INCLUDE_ALL_GCS |
4838 | 1191 static void disable_adaptive_size_policy(const char* collector_name) { |
1192 if (UseAdaptiveSizePolicy) { | |
1193 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
1194 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
1195 collector_name); | |
1196 } | |
1197 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
1198 } | |
1199 } | |
1200 | |
0 | 1201 void Arguments::set_parnew_gc_flags() { |
1064 | 1202 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
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1203 "control point invariant"); |
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1204 assert(UseParNewGC, "Error"); |
0 | 1205 |
4838 | 1206 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
1207 disable_adaptive_size_policy("UseParNewGC"); | |
10
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1208 |
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1209 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1210 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1211 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1212 } else if (ParallelGCThreads == 0) { |
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1213 jio_fprintf(defaultStream::error_stream(), |
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1214 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1215 vm_exit(1); |
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1216 } |
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1217 |
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1218 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1219 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1220 // we set them to 1024 and 1024. |
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1221 // See CR 6362902. |
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1222 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1223 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
0 | 1224 } |
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1225 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1226 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1227 } |
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1228 |
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1229 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1230 // See CR 6362902. |
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1231 if (AlwaysTenure) { |
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1232 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1233 } |
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1234 // When using compressed oops, we use local overflow stacks, |
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1235 // rather than using a global overflow list chained through |
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1236 // the klass word of the object's pre-image. |
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1237 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1238 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1239 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
0 | 1240 } |
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1241 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
0 | 1242 } |
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1243 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
0 | 1244 } |
1245 | |
1246 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
1247 // sparc/solaris for certain applications, but would gain from | |
1248 // further optimization and tuning efforts, and would almost | |
1249 // certainly gain from analysis of platform and environment. | |
1250 void Arguments::set_cms_and_parnew_gc_flags() { | |
1064 | 1251 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
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1252 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1253 |
0 | 1254 // If we are using CMS, we prefer to UseParNewGC, |
1255 // unless explicitly forbidden. | |
342
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1256 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
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1257 FLAG_SET_ERGO(bool, UseParNewGC, true); |
0 | 1258 } |
1259 | |
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1260 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
4838 | 1261 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
0 | 1262 |
1263 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
1264 // as needed. | |
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1265 if (UseParNewGC) { |
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1266 set_parnew_gc_flags(); |
0 | 1267 } |
1268 | |
2368
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1269 size_t max_heap = align_size_down(MaxHeapSize, |
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1270 CardTableRS::ct_max_alignment_constraint()); |
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1271 |
0 | 1272 // Now make adjustments for CMS |
2368
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1273 intx tenuring_default = (intx)6; |
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1274 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1275 |
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1276 // Preferred young gen size for "short" pauses: |
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1277 // upper bound depends on # of threads and NewRatio. |
0 | 1278 const uintx parallel_gc_threads = |
1279 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
1280 const size_t preferred_max_new_size_unaligned = | |
2368
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1281 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1282 size_t preferred_max_new_size = |
0 | 1283 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1284 | |
1285 // Unless explicitly requested otherwise, size young gen | |
2368
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1286 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
886
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1287 |
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1288 // If either MaxNewSize or NewRatio is set on the command line, |
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1289 // assume the user is trying to set the size of the young gen. |
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1290 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1291 |
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1292 // Set MaxNewSize to our calculated preferred_max_new_size unless |
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1293 // NewSize was set on the command line and it is larger than |
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1294 // preferred_max_new_size. |
0 | 1295 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
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1296 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
0 | 1297 } else { |
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1298 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
0 | 1299 } |
1064 | 1300 if (PrintGCDetails && Verbose) { |
13
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1301 // Too early to use gclog_or_tty |
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1302 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
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1303 } |
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1304 |
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1305 // Code along this path potentially sets NewSize and OldSize |
1064 | 1306 if (PrintGCDetails && Verbose) { |
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1307 // Too early to use gclog_or_tty |
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1308 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1309 " initial_heap_size: " SIZE_FORMAT |
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1310 " max_heap: " SIZE_FORMAT, |
1064 | 1311 min_heap_size(), InitialHeapSize, max_heap); |
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1312 } |
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1313 size_t min_new = preferred_max_new_size; |
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1314 if (FLAG_IS_CMDLINE(NewSize)) { |
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1315 min_new = NewSize; |
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1316 } |
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1317 if (max_heap > min_new && min_heap_size() > min_new) { |
0 | 1318 // Unless explicitly requested otherwise, make young gen |
1319 // at least min_new, and at most preferred_max_new_size. | |
1320 if (FLAG_IS_DEFAULT(NewSize)) { | |
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1321 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1322 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
1064 | 1323 if (PrintGCDetails && Verbose) { |
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1324 // Too early to use gclog_or_tty |
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1325 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
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1326 } |
0 | 1327 } |
1328 // Unless explicitly requested otherwise, size old gen | |
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1329 // so it's NewRatio x of NewSize. |
0 | 1330 if (FLAG_IS_DEFAULT(OldSize)) { |
1331 if (max_heap > NewSize) { | |
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1332 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
1064 | 1333 if (PrintGCDetails && Verbose) { |
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1334 // Too early to use gclog_or_tty |
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1335 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
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1336 } |
0 | 1337 } |
1338 } | |
1339 } | |
1340 } | |
1341 // Unless explicitly requested otherwise, definitely | |
1342 // promote all objects surviving "tenuring_default" scavenges. | |
1343 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
1344 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
6818 | 1345 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
0 | 1346 } |
1347 // If we decided above (or user explicitly requested) | |
1348 // `promote all' (via MaxTenuringThreshold := 0), | |
1349 // prefer minuscule survivor spaces so as not to waste | |
1350 // space for (non-existent) survivors | |
1351 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
8035 | 1352 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
0 | 1353 } |
1354 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
1355 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
1356 // This is done in order to make ParNew+CMS configuration to work | |
1357 // with YoungPLABSize and OldPLABSize options. | |
1358 // See CR 6362902. | |
1359 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
1360 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
13
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1361 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1362 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
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1363 // the value (either from the command line or ergonomics) of |
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1364 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1365 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
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1366 } else { |
0 | 1367 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1368 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
1369 // we'll let it to take precedence. | |
1370 jio_fprintf(defaultStream::error_stream(), | |
886
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1371 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1372 " options are specified for the CMS collector." |
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|
1373 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
0 | 1374 } |
1375 } | |
1145
e018e6884bd8
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|
1376 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
e018e6884bd8
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parents:
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diff
changeset
|
1377 // OldPLAB sizing manually turned off: Use a larger default setting, |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1074
diff
changeset
|
1378 // unless it was manually specified. This is because a too-low value |
e018e6884bd8
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ysr
parents:
1074
diff
changeset
|
1379 // will slow down scavenges. |
e018e6884bd8
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parents:
1074
diff
changeset
|
1380 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
e018e6884bd8
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parents:
1074
diff
changeset
|
1381 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
e018e6884bd8
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ysr
parents:
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diff
changeset
|
1382 } |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1383 } |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
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diff
changeset
|
1384 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
e018e6884bd8
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diff
changeset
|
1385 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
e018e6884bd8
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diff
changeset
|
1386 // If either of the static initialization defaults have changed, note this |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1387 // modification. |
e018e6884bd8
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1074
diff
changeset
|
1388 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
e018e6884bd8
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ysr
parents:
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diff
changeset
|
1389 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
e018e6884bd8
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ysr
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diff
changeset
|
1390 } |
1284 | 1391 if (PrintGCDetails && Verbose) { |
1392 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1393 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1394 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
1284 | 1395 } |
0 | 1396 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
1397 #endif // INCLUDE_ALL_GCS |
0 | 1398 |
1571
2d127394260e
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kvn
parents:
1506
diff
changeset
|
1399 void set_object_alignment() { |
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
|
1400 // Object alignment. |
2d127394260e
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kvn
parents:
1506
diff
changeset
|
1401 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
2d127394260e
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parents:
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diff
changeset
|
1402 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1403 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
2d127394260e
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kvn
parents:
1506
diff
changeset
|
1404 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1405 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1406 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
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
|
1407 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1408 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1409 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1410 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1411 // Oop encoding heap max |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1412 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1413 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
1414 #if INCLUDE_ALL_GCS |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1415 // Set CMS global values |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1416 CompactibleFreeListSpace::set_cms_values(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
1417 #endif // INCLUDE_ALL_GCS |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1418 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1419 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1420 bool 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
|
1421 // Object alignment. |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1422 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1423 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1424 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1425 (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
|
1426 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1427 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1428 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
|
1429 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1430 "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
|
1431 (int)ObjectAlignmentInBytes, BytesPerLong); |
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 // 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
|
1435 // 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
|
1436 // then a saved space from compressed oops. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1437 if ((int)ObjectAlignmentInBytes > 256) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1438 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
|
1439 "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
|
1440 (int)ObjectAlignmentInBytes); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1441 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1442 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1443 // In case page size is very small. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1444 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1445 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
|
1446 "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
|
1447 (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
|
1448 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1449 } |
20317
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1450 if(SurvivorAlignmentInBytes == 0) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1451 SurvivorAlignmentInBytes = ObjectAlignmentInBytes; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1452 } else { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1453 if (!is_power_of_2(SurvivorAlignmentInBytes)) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1454 jio_fprintf(defaultStream::error_stream(), |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1455 "error: SurvivorAlignmentInBytes=%d must be power of 2\n", |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1456 (int)SurvivorAlignmentInBytes); |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1457 return false; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1458 } |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1459 if (SurvivorAlignmentInBytes < ObjectAlignmentInBytes) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1460 jio_fprintf(defaultStream::error_stream(), |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1461 "error: SurvivorAlignmentInBytes=%d must be greater than ObjectAlignmentInBytes=%d \n", |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1462 (int)SurvivorAlignmentInBytes, (int)ObjectAlignmentInBytes); |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1463 return false; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1464 } |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1465 } |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1466 return true; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1467 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1468 |
20220
d15367d92f0d
8043723: max_heap_for_compressed_oops() declared with size_t, but defined with uintx
tschatzl
parents:
17937
diff
changeset
|
1469 size_t Arguments::max_heap_for_compressed_oops() { |
1963 | 1470 // Avoid sign flip. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1471 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
|
1472 // 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
|
1473 // 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
|
1474 // 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
|
1475 // 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
|
1476 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
|
1477 _conservative_max_heap_alignment); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1478 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1479 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
1064 | 1480 NOT_LP64(ShouldNotReachHere(); return 0); |
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1481 } |
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1482 |
0 | 1483 bool Arguments::should_auto_select_low_pause_collector() { |
1484 if (UseAutoGCSelectPolicy && | |
1485 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
1486 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
1487 if (PrintGCDetails) { | |
1488 // Cannot use gclog_or_tty yet. | |
1489 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
|
1490 " based on pause goal of %d (ms)", (int) MaxGCPauseMillis); |
0 | 1491 } |
1492 return true; | |
1493 } | |
1494 return false; | |
1495 } | |
1496 | |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1497 void Arguments::set_use_compressed_oops() { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1498 #ifndef ZERO |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1499 #ifdef _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1500 // 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
|
1501 // 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
|
1502 // to use UseCompressedOops is InitialHeapSize. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1503 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
17179
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1504 // Set default on graal 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
|
1505 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
|
1506 #if !defined(COMPILER1) || defined(TIERED) |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1507 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1508 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
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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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|
1509 } |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1510 #endif |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1511 #ifdef _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
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diff
changeset
|
1512 if (UseLargePages && UseCompressedOops) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1513 // Cannot allocate guard pages for implicit checks in indexed addressing |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1514 // mode, when large pages are specified on windows. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
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|
1515 // 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
|
1516 // see code in Universe::initialize_heap(). |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1517 Universe::set_narrow_oop_use_implicit_null_checks(false); |
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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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|
1518 } |
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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 // _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1520 } else { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1521 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
changeset
|
1522 warning("Max heap size too large for Compressed Oops"); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1523 FLAG_SET_DEFAULT(UseCompressedOops, false); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
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12182
diff
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|
1524 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
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|
1525 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
changeset
|
1526 } |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
changeset
|
1527 #endif // _LP64 |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
changeset
|
1528 #endif // ZERO |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
changeset
|
1529 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1530 |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1531 |
740e263c80c6
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12003
diff
changeset
|
1532 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
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hseigel
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12003
diff
changeset
|
1533 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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diff
changeset
|
1534 void Arguments::set_use_compressed_klass_ptrs() { |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1535 #ifndef ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1536 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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12182
diff
changeset
|
1537 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
12056
740e263c80c6
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hseigel
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12003
diff
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|
1538 if (!UseCompressedOops) { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1539 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1540 warning("UseCompressedClassPointers requires UseCompressedOops"); |
12056
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8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
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|
1541 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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12182
diff
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|
1542 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
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hseigel
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12003
diff
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|
1543 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1544 // Turn on UseCompressedClassPointers too |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1545 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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parents:
12182
diff
changeset
|
1546 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
12056
740e263c80c6
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12003
diff
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|
1547 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1548 // 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
|
1549 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1550 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1551 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1552 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1553 } |
740e263c80c6
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hseigel
parents:
12003
diff
changeset
|
1554 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1555 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1556 #endif // _LP64 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1557 #endif // !ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1558 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1559 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1560 void Arguments::set_conservative_max_heap_alignment() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1561 // 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
changeset
|
1562 // the alignments imposed by several sources: any requirements from the heap |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1563 // 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
|
1564 // with. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1565 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
|
1566 #if INCLUDE_ALL_GCS |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1567 if (UseParallelGC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1568 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1569 } else if (UseG1GC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1570 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1571 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1572 #endif // INCLUDE_ALL_GCS |
20294
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1573 _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
|
1574 (size_t)os::vm_allocation_granularity(), |
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1575 os::max_page_size(), |
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1576 CollectorPolicy::compute_heap_alignment()); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1577 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1578 |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1579 void Arguments::select_gc_ergonomically() { |
4946 | 1580 if (os::is_server_class_machine()) { |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1581 if (should_auto_select_low_pause_collector()) { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1582 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1583 } else { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1584 FLAG_SET_ERGO(bool, UseParallelGC, true); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1585 } |
0 | 1586 } |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1587 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1588 |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1589 void Arguments::select_gc() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1590 if (!gc_selected()) { |
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
1591 ArgumentsExt::select_gc_ergonomically(); |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1592 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1593 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1594 |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1595 void Arguments::set_ergonomics_flags() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1596 select_gc(); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1597 |
12355 | 1598 #if defined(COMPILER2) || defined(GRAAL) |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1599 // 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
|
1600 // to be disabled, which hurts interpreter performance and decreases |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1601 // server performance. When -server is specified, keep the default off |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1602 // 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
|
1603 // at link time, or rewrite bytecodes in non-shared methods. |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1604 if (!DumpSharedSpaces && !RequireSharedSpaces && |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1605 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
1606 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
|
1607 } |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1608 #endif |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1609 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1610 set_conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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12226
diff
changeset
|
1611 |
1010 | 1612 #ifndef ZERO |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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76
diff
changeset
|
1613 #ifdef _LP64 |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1614 set_use_compressed_oops(); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1615 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1616 // set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1617 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1618 set_use_compressed_klass_ptrs(); |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1619 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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76
diff
changeset
|
1620 // 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
|
1621 // 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
|
1622 #endif // _LP64 |
1010 | 1623 #endif // !ZERO |
0 | 1624 } |
1625 | |
1626 void Arguments::set_parallel_gc_flags() { | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1627 assert(UseParallelGC || UseParallelOldGC, "Error"); |
4879 | 1628 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
1629 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
1630 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
0 | 1631 } |
4879 | 1632 FLAG_SET_DEFAULT(UseParallelGC, true); |
0 | 1633 |
1634 // If no heap maximum was requested explicitly, use some reasonable fraction | |
1635 // 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
|
1636 FLAG_SET_DEFAULT(ParallelGCThreads, |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1637 Abstract_VM_Version::parallel_worker_threads()); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1638 if (ParallelGCThreads == 0) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1639 jio_fprintf(defaultStream::error_stream(), |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1640 "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
|
1641 vm_exit(1); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1642 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1643 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1644 if (UseAdaptiveSizePolicy) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1645 // 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
|
1646 // unless the user actually sets these flags. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1647 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1648 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1649 _min_heap_free_ratio = MinHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1650 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1651 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1652 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1653 _max_heap_free_ratio = MaxHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1654 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1655 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1656 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1657 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1658 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1659 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1660 // See CR 6362902 for details. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1661 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1662 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1663 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
0 | 1664 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1665 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1666 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1667 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1668 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1669 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1670 if (UseParallelOldGC) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1671 // Par compact uses lower default values since they are treated as |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1672 // minimums. These are different defaults because of the different |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1673 // interpretation and are not ergonomically set. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1674 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1675 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
0 | 1676 } |
1677 } | |
1678 } | |
1679 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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parents:
135
diff
changeset
|
1680 void Arguments::set_g1_gc_flags() { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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135
diff
changeset
|
1681 assert(UseG1GC, "Error"); |
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
1682 #if defined(COMPILER1) || defined(GRAAL) |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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135
diff
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|
1683 FastTLABRefill = false; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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135
diff
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|
1684 #endif |
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6711316: Open source the Garbage-First garbage collector
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135
diff
changeset
|
1685 FLAG_SET_DEFAULT(ParallelGCThreads, |
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6711316: Open source the Garbage-First garbage collector
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diff
changeset
|
1686 Abstract_VM_Version::parallel_worker_threads()); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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parents:
135
diff
changeset
|
1687 if (ParallelGCThreads == 0) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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parents:
135
diff
changeset
|
1688 FLAG_SET_DEFAULT(ParallelGCThreads, |
751 | 1689 Abstract_VM_Version::parallel_worker_threads()); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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diff
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|
1690 } |
751 | 1691 |
20505
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1692 #if INCLUDE_ALL_GCS |
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1693 if (G1ConcRefinementThreads == 0) { |
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1694 FLAG_SET_DEFAULT(G1ConcRefinementThreads, ParallelGCThreads); |
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1695 } |
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1696 #endif |
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1697 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1698 // MarkStackSize will be set (if it hasn't been set by the user) |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1699 // when concurrent marking is initialized. |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1700 // Its value will be based upon the number of parallel marking threads. |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1701 // But we do set the maximum mark stack size here. |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1702 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1703 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
1284 | 1704 } |
1356 | 1705 |
1706 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
1707 // In G1, we want the default GC overhead goal to be higher than | |
1708 // say in PS. So we set it here to 10%. Otherwise the heap might | |
1709 // be expanded more aggressively than we would like it to. In | |
1710 // fact, even 10% seems to not be high enough in some cases | |
1711 // (especially small GC stress tests that the main thing they do | |
1712 // is allocation). We might consider increase it further. | |
1713 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
1714 } | |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1715 |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1716 if (PrintGCDetails && Verbose) { |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1717 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1718 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1719 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1720 } |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1721 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1722 |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1723 #if !INCLUDE_ALL_GCS |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1724 #ifdef ASSERT |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1725 static bool verify_serial_gc_flags() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1726 return (UseSerialGC && |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1727 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1728 UseParallelGC || UseParallelOldGC)); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1729 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1730 #endif // ASSERT |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1731 #endif // INCLUDE_ALL_GCS |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1732 |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1733 void Arguments::set_gc_specific_flags() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1734 #if INCLUDE_ALL_GCS |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1735 // Set per-collector flags |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1736 if (UseParallelGC || UseParallelOldGC) { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1737 set_parallel_gc_flags(); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1738 } else if (UseConcMarkSweepGC) { // Should be done before ParNew check below |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1739 set_cms_and_parnew_gc_flags(); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1740 } else if (UseParNewGC) { // Skipped if CMS is set above |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1741 set_parnew_gc_flags(); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1742 } else if (UseG1GC) { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1743 set_g1_gc_flags(); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1744 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1745 check_deprecated_gcs(); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1746 check_deprecated_gc_flags(); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1747 if (AssumeMP && !UseSerialGC) { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1748 if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1749 warning("If the number of processors is expected to increase from one, then" |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1750 " you should configure the number of parallel GC threads appropriately" |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1751 " using -XX:ParallelGCThreads=N"); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1752 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1753 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1754 if (MinHeapFreeRatio == 100) { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1755 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1756 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1757 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1758 #else // INCLUDE_ALL_GCS |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1759 assert(verify_serial_gc_flags(), "SerialGC unset"); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1760 #endif // INCLUDE_ALL_GCS |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1761 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1762 |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1763 julong Arguments::limit_by_allocatable_memory(julong limit) { |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1764 julong max_allocatable; |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1765 julong result = limit; |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1766 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1767 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1768 } |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1769 return result; |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1770 } |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1771 |
1064 | 1772 void Arguments::set_heap_size() { |
1773 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
1774 // Deprecated flag | |
1775 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
1776 } | |
1777 | |
1778 const julong phys_mem = | |
1779 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
1780 : (julong)MaxRAM; | |
1781 | |
1782 // If the maximum heap size has not been set with -Xmx, | |
1783 // then set it as fraction of the size of physical memory, | |
1784 // respecting the maximum and minimum sizes of the heap. | |
342
37f87013dfd8
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135
diff
changeset
|
1785 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
1064 | 1786 julong reasonable_max = phys_mem / MaxRAMFraction; |
1787 | |
1788 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
1789 // Small physical memory, so use a minimum fraction of it for the heap | |
1790 reasonable_max = phys_mem / MinRAMFraction; | |
1791 } else { | |
1792 // Not-small physical memory, so require a heap at least | |
1793 // as large as MaxHeapSize | |
1794 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
1795 } | |
1796 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
1797 // Limit the heap size to ErgoHeapSizeLimit | |
1798 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
342
37f87013dfd8
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diff
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|
1799 } |
1064 | 1800 if (UseCompressedOops) { |
1801 // Limit the heap size to the maximum possible when using compressed oops | |
1963 | 1802 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
1803 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
1804 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
1805 // but it should be not less than default MaxHeapSize. | |
1806 max_coop_heap -= HeapBaseMinAddress; | |
1807 } | |
1808 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
1064 | 1809 } |
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1810 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
1064 | 1811 |
1812 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1813 // An initial heap size was specified on the command line, | |
1814 // so be sure that the maximum size is consistent. Done | |
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1815 // after call to limit_by_allocatable_memory because that |
1064 | 1816 // method might reduce the allocation size. |
1817 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
1818 } | |
1819 | |
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1820 if (PrintGCDetails && Verbose) { |
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1821 // Cannot use gclog_or_tty yet. |
17937
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1822 tty->print_cr(" Maximum heap size " SIZE_FORMAT, (size_t) reasonable_max); |
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1823 } |
1064 | 1824 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1825 } | |
1826 | |
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1827 // If the minimum or initial heap_size have not been set or requested to be set |
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1828 // ergonomically, set them accordingly. |
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1829 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
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1830 julong reasonable_minimum = (julong)(OldSize + NewSize); |
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1831 |
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1832 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
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1833 |
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1834 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
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1835 |
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1836 if (InitialHeapSize == 0) { |
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1837 julong reasonable_initial = phys_mem / InitialRAMFraction; |
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1838 |
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1839 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
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1840 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
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1841 |
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1842 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
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1843 |
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1844 if (PrintGCDetails && Verbose) { |
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1845 // Cannot use gclog_or_tty yet. |
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1846 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
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1847 } |
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1848 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
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1849 } |
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1850 // If the minimum heap size has not been set (via -Xms), |
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1851 // synchronize with InitialHeapSize to avoid errors with the default value. |
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1852 if (min_heap_size() == 0) { |
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1853 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
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1854 if (PrintGCDetails && Verbose) { |
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1855 // Cannot use gclog_or_tty yet. |
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1856 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
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1857 } |
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1858 } |
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1859 } |
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1860 } |
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1861 |
0 | 1862 // This must be called after ergonomics because we want bytecode rewriting |
1863 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
1864 void Arguments::set_bytecode_flags() { | |
1865 // Better not attempt to store into a read-only space. | |
1866 if (UseSharedSpaces) { | |
1867 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
1868 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1869 } | |
1870 | |
1871 if (!RewriteBytecodes) { | |
1872 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1873 } | |
1874 } | |
1875 | |
1876 // Aggressive optimization flags -XX:+AggressiveOpts | |
1877 void Arguments::set_aggressive_opts_flags() { | |
17
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1878 #ifdef COMPILER2 |
10278 | 1879 if (AggressiveUnboxing) { |
1880 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
1881 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
1882 } else if (!EliminateAutoBox) { | |
1883 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
1884 AggressiveUnboxing = false; | |
1885 } | |
1886 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
1887 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
1888 } else if (!DoEscapeAnalysis) { | |
1889 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
1890 AggressiveUnboxing = false; | |
1891 } | |
1892 } | |
17
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1893 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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1894 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
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1895 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
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1896 } |
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1897 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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1898 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
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1899 } |
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1900 |
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1901 // Feed the cache size setting into the JDK |
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1902 char buffer[1024]; |
513
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1903 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
17
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1904 add_property(buffer); |
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1905 } |
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1906 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
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1907 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
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1908 } |
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1909 #endif |
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1910 |
0 | 1911 if (AggressiveOpts) { |
61 | 1912 // Sample flag setting code |
1913 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
1914 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
1915 // } | |
0 | 1916 } |
1917 } | |
1918 | |
1919 //=========================================================================================================== | |
1920 // Parsing of java.compiler property | |
1921 | |
1922 void Arguments::process_java_compiler_argument(char* arg) { | |
1923 // For backwards compatibility, Djava.compiler=NONE or "" | |
1924 // causes us to switch to -Xint mode UNLESS -Xdebug | |
1925 // is also specified. | |
1926 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
1927 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
1928 } | |
1929 } | |
1930 | |
1931 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
1932 _sun_java_launcher = strdup(launcher); | |
2302
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1933 if (strcmp("gamma", _sun_java_launcher) == 0) { |
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1934 _created_by_gamma_launcher = true; |
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1935 } |
0 | 1936 } |
1937 | |
1938 bool Arguments::created_by_java_launcher() { | |
1939 assert(_sun_java_launcher != NULL, "property must have value"); | |
1940 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
1941 } | |
1942 | |
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1943 bool Arguments::created_by_gamma_launcher() { |
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1944 return _created_by_gamma_launcher; |
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1945 } |
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1946 |
0 | 1947 //=========================================================================================================== |
1948 // Parsing of main arguments | |
1949 | |
1244
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1950 bool Arguments::verify_interval(uintx val, uintx min, |
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1951 uintx max, const char* name) { |
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1952 // Returns true iff value is in the inclusive interval [min..max] |
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1953 // false, otherwise. |
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1954 if (val >= min && val <= max) { |
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1955 return true; |
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1956 } |
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1957 jio_fprintf(defaultStream::error_stream(), |
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1958 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
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1959 " and " UINTX_FORMAT "\n", |
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1960 name, val, min, max); |
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1961 return false; |
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1962 } |
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1963 |
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1964 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
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1965 // Returns true if given value is at least specified min threshold |
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1966 // false, otherwise. |
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1967 if (val >= min ) { |
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1968 return true; |
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1969 } |
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1970 jio_fprintf(defaultStream::error_stream(), |
2366
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1971 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
1744
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1972 name, val, min); |
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1973 return false; |
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1974 } |
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1975 |
0 | 1976 bool Arguments::verify_percentage(uintx value, const char* name) { |
17648
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1977 if (is_percentage(value)) { |
0 | 1978 return true; |
1979 } | |
1980 jio_fprintf(defaultStream::error_stream(), | |
1981 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
1982 name, value); | |
1983 return false; | |
1984 } | |
1985 | |
3767
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1986 // check if do gclog rotation |
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1987 // +UseGCLogFileRotation is a must, |
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1988 // no gc log rotation when log file not supplied or |
17827 | 1989 // NumberOfGCLogFiles is 0 |
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|
1990 void check_gclog_consistency() { |
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1991 if (UseGCLogFileRotation) { |
17827 | 1992 if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { |
3767
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1993 jio_fprintf(defaultStream::output_stream(), |
17827 | 1994 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" |
1995 "where num_of_file > 0\n" | |
3767
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1996 "GC log rotation is turned off\n"); |
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1997 UseGCLogFileRotation = false; |
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|
1998 } |
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|
1999 } |
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2000 |
17827 | 2001 if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { |
2002 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); | |
2003 jio_fprintf(defaultStream::output_stream(), | |
2004 "GCLogFileSize changed to minimum 8K\n"); | |
3767
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2005 } |
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|
2006 } |
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2007 |
12215 | 2008 // This function is called for -Xloggc:<filename>, it can be used |
2009 // to check if a given file name(or string) conforms to the following | |
2010 // specification: | |
2011 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
2012 // %p and %t only allowed once. We only limit usage of filename not path | |
2013 bool is_filename_valid(const char *file_name) { | |
2014 const char* p = file_name; | |
2015 char file_sep = os::file_separator()[0]; | |
2016 const char* cp; | |
2017 // skip prefix path | |
2018 for (cp = file_name; *cp != '\0'; cp++) { | |
2019 if (*cp == '/' || *cp == file_sep) { | |
2020 p = cp + 1; | |
2021 } | |
2022 } | |
2023 | |
2024 int count_p = 0; | |
2025 int count_t = 0; | |
2026 while (*p != '\0') { | |
2027 if ((*p >= '0' && *p <= '9') || | |
2028 (*p >= 'A' && *p <= 'Z') || | |
2029 (*p >= 'a' && *p <= 'z') || | |
2030 *p == '-' || | |
2031 *p == '_' || | |
2032 *p == '.') { | |
2033 p++; | |
2034 continue; | |
2035 } | |
2036 if (*p == '%') { | |
2037 if(*(p + 1) == 'p') { | |
2038 p += 2; | |
2039 count_p ++; | |
2040 continue; | |
2041 } | |
2042 if (*(p + 1) == 't') { | |
2043 p += 2; | |
2044 count_t ++; | |
2045 continue; | |
2046 } | |
2047 } | |
2048 return false; | |
2049 } | |
2050 return count_p < 2 && count_t < 2; | |
2051 } | |
2052 | |
17648
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|
2053 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
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2054 if (!is_percentage(min_heap_free_ratio)) { |
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|
2055 err_msg.print("MinHeapFreeRatio must have a value between 0 and 100"); |
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|
2056 return false; |
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|
2057 } |
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|
2058 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
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|
2059 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
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|
2060 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
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|
2061 MaxHeapFreeRatio); |
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|
2062 return false; |
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|
2063 } |
20345
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|
2064 // This does not set the flag itself, but stores the value in a safe place for later usage. |
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|
2065 _min_heap_free_ratio = min_heap_free_ratio; |
17648
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|
2066 return true; |
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|
2067 } |
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|
2068 |
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|
2069 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
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|
2070 if (!is_percentage(max_heap_free_ratio)) { |
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|
2071 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
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|
2072 return false; |
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|
2073 } |
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|
2074 if (max_heap_free_ratio < MinHeapFreeRatio) { |
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|
2075 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
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|
2076 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
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|
2077 MinHeapFreeRatio); |
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|
2078 return false; |
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|
2079 } |
20345
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|
2080 // This does not set the flag itself, but stores the value in a safe place for later usage. |
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|
2081 _max_heap_free_ratio = max_heap_free_ratio; |
17648
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|
2082 return true; |
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|
2083 } |
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|
2084 |
10
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|
2085 // Check consistency of GC selection |
20408
76af788b6c16
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jcoomes
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20403
diff
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|
2086 bool Arguments::check_gc_consistency_user() { |
3767
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|
2087 check_gclog_consistency(); |
10
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|
2088 bool status = true; |
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|
2089 // Ensure that the user has not selected conflicting sets |
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|
2090 // of collectors. [Note: this check is merely a user convenience; |
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0
diff
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|
2091 // collectors over-ride each other so that only a non-conflicting |
28372612af5e
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diff
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|
2092 // set is selected; however what the user gets is not what they |
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diff
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|
2093 // may have expected from the combination they asked for. It's |
28372612af5e
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jmasa
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0
diff
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|
2094 // better to reduce user confusion by not allowing them to |
28372612af5e
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jmasa
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0
diff
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|
2095 // select conflicting combinations. |
28372612af5e
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jmasa
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0
diff
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|
2096 uint i = 0; |
28372612af5e
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0
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|
2097 if (UseSerialGC) i++; |
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|
2098 if (UseConcMarkSweepGC || UseParNewGC) i++; |
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|
2099 if (UseParallelGC || UseParallelOldGC) i++; |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
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751
diff
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|
2100 if (UseG1GC) i++; |
10
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parents:
0
diff
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|
2101 if (i > 1) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
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|
2102 jio_fprintf(defaultStream::error_stream(), |
28372612af5e
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jmasa
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0
diff
changeset
|
2103 "Conflicting collector combinations in option list; " |
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2104 "please refer to the release notes for the combinations " |
28372612af5e
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jmasa
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0
diff
changeset
|
2105 "allowed\n"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
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0
diff
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|
2106 status = false; |
28372612af5e
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jmasa
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0
diff
changeset
|
2107 } |
28372612af5e
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jmasa
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0
diff
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|
2108 return status; |
28372612af5e
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0
diff
changeset
|
2109 } |
28372612af5e
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0
diff
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|
2110 |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
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|
2111 void Arguments::check_deprecated_gcs() { |
e0ab18eafbde
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|
2112 if (UseConcMarkSweepGC && !UseParNewGC) { |
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diff
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|
2113 warning("Using the DefNew young collector with the CMS collector is deprecated " |
e0ab18eafbde
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diff
changeset
|
2114 "and will likely be removed in a future release"); |
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|
2115 } |
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|
2116 |
e0ab18eafbde
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|
2117 if (UseParNewGC && !UseConcMarkSweepGC) { |
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diff
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|
2118 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
e0ab18eafbde
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|
2119 // set up UseSerialGC properly, so that can't be used in the check here. |
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|
2120 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
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|
2121 "and will likely be removed in a future release"); |
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|
2122 } |
7453 | 2123 |
2124 if (CMSIncrementalMode) { | |
2125 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
2126 } | |
7452
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|
2127 } |
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|
2128 |
8734 | 2129 void Arguments::check_deprecated_gc_flags() { |
2130 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
2131 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
2132 "and will likely be removed in future release"); | |
2133 } | |
11977 | 2134 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
2135 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
2136 "Use MaxRAMFraction instead."); | |
2137 } | |
13008
3b3133d93fb6
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12976
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|
2138 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
3b3133d93fb6
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brutisso
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diff
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|
2139 warning("UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release."); |
3b3133d93fb6
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brutisso
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diff
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|
2140 } |
3b3133d93fb6
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|
2141 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
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|
2142 warning("CMSFullGCsBeforeCompaction is deprecated and will likely be removed in a future release."); |
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|
2143 } |
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|
2144 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
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|
2145 warning("UseCMSCollectionPassing is deprecated and will likely be removed in a future release."); |
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|
2146 } |
8734 | 2147 } |
2148 | |
1744
f8c5d1bdaad4
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1681
diff
changeset
|
2149 // Check stack pages settings |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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1681
diff
changeset
|
2150 bool Arguments::check_stack_pages() |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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1681
diff
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|
2151 { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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1681
diff
changeset
|
2152 bool status = true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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1681
diff
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|
2153 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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1681
diff
changeset
|
2154 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
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1864
diff
changeset
|
2155 // greater stack shadow pages can't generate instruction to bang stack |
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
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1864
diff
changeset
|
2156 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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1681
diff
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|
2157 return status; |
f8c5d1bdaad4
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|
2158 } |
f8c5d1bdaad4
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|
2159 |
0 | 2160 // Check the consistency of vm_init_args |
2161 bool Arguments::check_vm_args_consistency() { | |
2162 // Method for adding checks for flag consistency. | |
2163 // The intent is to warn the user of all possible conflicts, | |
2164 // before returning an error. | |
2165 // Note: Needs platform-dependent factoring. | |
2166 bool status = true; | |
2167 | |
2168 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
2169 // builds so the cost of stack banging can be measured. | |
2170 #if (defined(PRODUCT) && defined(SOLARIS)) | |
2171 if (!UseBoundThreads && !UseStackBanging) { | |
2172 jio_fprintf(defaultStream::error_stream(), | |
2173 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
2174 | |
2175 status = false; | |
2176 } | |
2177 #endif | |
2178 | |
2179 if (TLABRefillWasteFraction == 0) { | |
2180 jio_fprintf(defaultStream::error_stream(), | |
2181 "TLABRefillWasteFraction should be a denominator, " | |
2182 "not " SIZE_FORMAT "\n", | |
2183 TLABRefillWasteFraction); | |
2184 status = false; | |
2185 } | |
2186 | |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2187 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
0 | 2188 "AdaptiveSizePolicyWeight"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2189 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
0 | 2190 |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2191 // 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
|
2192 // 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
|
2193 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2194 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2195 |
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2196 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2197 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2198 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2199 { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2200 // 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
|
2201 // 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
|
2202 // 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
|
2203 FormatBuffer<80> err_msg("%s",""); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2204 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2205 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2206 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2207 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2208 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2209 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2210 } |
0 | 2211 } |
2212 | |
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2213 // Min/MaxMetaspaceFreeRatio |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2214 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2215 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2216 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2217 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2218 jio_fprintf(defaultStream::error_stream(), |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2219 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2220 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2221 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2222 MinMetaspaceFreeRatio, |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2223 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2224 MaxMetaspaceFreeRatio); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2225 status = false; |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2226 } |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2227 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2228 // Trying to keep 100% free is not practical |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2229 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2230 |
0 | 2231 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
2232 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
2233 } | |
2234 | |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2235 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2236 // Settings to encourage splitting. |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2237 if (!FLAG_IS_CMDLINE(NewRatio)) { |
8035 | 2238 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2239 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2240 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2241 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2242 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2243 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2244 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2245 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2246 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
0 | 2247 if (GCTimeLimit == 100) { |
2248 // Turn off gc-overhead-limit-exceeded checks | |
2249 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
2250 } | |
2251 | |
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
2252 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
|
2253 status = status && check_stack_pages(); |
0 | 2254 |
2255 if (CMSIncrementalMode) { | |
2256 if (!UseConcMarkSweepGC) { | |
2257 jio_fprintf(defaultStream::error_stream(), | |
2258 "error: invalid argument combination.\n" | |
2259 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
2260 "selected in order\nto use CMSIncrementalMode.\n"); | |
2261 status = false; | |
2262 } else { | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2263 status = status && verify_percentage(CMSIncrementalDutyCycle, |
0 | 2264 "CMSIncrementalDutyCycle"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2265 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
0 | 2266 "CMSIncrementalDutyCycleMin"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2267 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
0 | 2268 "CMSIncrementalSafetyFactor"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2269 status = status && verify_percentage(CMSIncrementalOffset, |
0 | 2270 "CMSIncrementalOffset"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2271 status = status && verify_percentage(CMSExpAvgFactor, |
0 | 2272 "CMSExpAvgFactor"); |
2273 // If it was not set on the command line, set | |
2274 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
2275 if (CMSInitiatingOccupancyFraction < 0) { | |
2276 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
2277 } | |
2278 } | |
2279 } | |
2280 | |
2281 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
2282 // insists that we hold the requisite locks so that the iteration is | |
2283 // MT-safe. For the verification at start-up and shut-down, we don't | |
2284 // yet have a good way of acquiring and releasing these locks, | |
2285 // which are not visible at the CollectedHeap level. We want to | |
2286 // be able to acquire these locks and then do the iteration rather | |
2287 // than just disable the lock verification. This will be fixed under | |
2288 // bug 4788986. | |
2289 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2290 if (VerifyDuringStartup) { |
0 | 2291 warning("Heap verification at start-up disabled " |
2292 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2293 VerifyDuringStartup = false; // Disable verification at start-up |
0 | 2294 } |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2295 |
0 | 2296 if (VerifyBeforeExit) { |
2297 warning("Heap verification at shutdown disabled " | |
2298 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
2299 VerifyBeforeExit = false; // Disable verification at shutdown | |
2300 } | |
2301 } | |
2302 | |
2303 // Note: only executed in non-PRODUCT mode | |
2304 if (!UseAsyncConcMarkSweepGC && | |
2305 (ExplicitGCInvokesConcurrent || | |
2306 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
2307 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
|
2308 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
0 | 2309 " with -UseAsyncConcMarkSweepGC"); |
2310 status = false; | |
2311 } | |
2312 | |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2313 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
|
2314 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2315 #if INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2316 if (UseG1GC) { |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2317 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2318 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2319 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
|
2320 |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2321 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2322 "InitiatingHeapOccupancyPercent"); |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2323 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2324 "G1RefProcDrainInterval"); |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2325 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2326 "G1ConcMarkStepDurationMillis"); |
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2327 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
|
2328 "G1ConcRSHotCardLimit"); |
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2329 status = status && verify_interval(G1ConcRSLogCacheSize, 0, 31, |
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2330 "G1ConcRSLogCacheSize"); |
17764 | 2331 status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age, |
2332 "StringDeduplicationAgeThreshold"); | |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2333 } |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2334 if (UseConcMarkSweepGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2335 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2336 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2337 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2338 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2339 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2340 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
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_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2343 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
|
2344 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
|
2345 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2346 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
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(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2349 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2350 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2351 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2352 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2353 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
|
2354 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2355 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
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 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2358 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2359 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2360 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2361 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2362 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2363 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2364 } |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2365 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2366 if (UseParallelGC || UseParallelOldGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2367 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2368 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2369 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2370 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2371 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2372 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2373 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2374 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2375 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2376 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2377 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2378 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2379 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2380 #endif // INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2381 |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2382 status = status && verify_interval(RefDiscoveryPolicy, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2383 ReferenceProcessor::DiscoveryPolicyMin, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2384 ReferenceProcessor::DiscoveryPolicyMax, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2385 "RefDiscoveryPolicy"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2386 |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2387 // 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
|
2388 // expression. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2389 status = status && verify_interval(TLABWasteTargetPercent, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2390 1, 100, "TLABWasteTargetPercent"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2391 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2392 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
|
2393 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2394 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2395 "CompressedClassSpaceSize"); |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2396 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2397 status = status && verify_interval(MarkStackSizeMax, |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2398 1, (max_jint - 1), "MarkStackSizeMax"); |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2399 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
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(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
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(HeapSizePerGCThread, (uintx) os::vm_page_size(), "HeapSizePerGCThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2404 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2405 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2406 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2407 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2408 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2409 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2410 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2411 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2412 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2413 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2414 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2415 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2416 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2417 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2418 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2419 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2420 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2421 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2422 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2423 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2424 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2425 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2426 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2427 // 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
|
2428 // just for that, so hardcode here. |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2429 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2430 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2431 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2432 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2433 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2434 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
20545
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2435 #ifdef COMPILER1 |
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2436 status = status && verify_min_value(ValueMapInitialSize, 1, "ValueMapInitialSize"); |
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2437 #endif |
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2438 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2439 if (PrintNMTStatistics) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2440 #if INCLUDE_NMT |
20360 | 2441 if (MemTracker::tracking_level() == NMT_off) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2442 #endif // INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2443 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
|
2444 PrintNMTStatistics = false; |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2445 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2446 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2447 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2448 } |
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
|
2449 #ifdef GRAAL |
10409 | 2450 if (UseG1GC) { |
2451 if (IgnoreUnrecognizedVMOptions) { | |
2452 FLAG_SET_CMDLINE(bool, UseG1GC, true); | |
2453 } else { | |
2454 status = true; | |
2455 } | |
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2456 } else { |
10409 | 2457 // This prevents the flag being set to true by set_ergonomics_flags() |
2458 FLAG_SET_CMDLINE(bool, UseG1GC, false); | |
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2459 } |
10409 | 2460 |
2461 if (!ScavengeRootsInCode) { | |
2462 warning("forcing ScavengeRootsInCode non-zero because Graal is enabled"); | |
2463 ScavengeRootsInCode = 1; | |
2464 } | |
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
|
2465 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
|
2466 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
|
2467 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
|
2468 } |
10409 | 2469 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2470 |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2471 // Need to limit the extent of the padding to reasonable size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2472 // 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
|
2473 // aggressive prefetching, while still leaving the room for segregating |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2474 // among the distinct pages. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2475 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
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 in between %d and %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2478 ContendedPaddingWidth, 0, 8192); |
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 |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2482 // Need to enforce the padding not to break the existing field alignments. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2483 // It is sufficient to check against the largest type size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2484 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2485 jio_fprintf(defaultStream::error_stream(), |
12129 | 2486 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2487 ContendedPaddingWidth, BytesPerLong); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2488 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2489 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2490 |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2491 // 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
|
2492 // 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
|
2493 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
|
2494 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
|
2495 jio_fprintf(defaultStream::error_stream(), |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2496 "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
|
2497 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2498 status = false; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2499 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2500 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2501 "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
|
2502 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
|
2503 status = false; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2504 } 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
|
2505 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2506 "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
|
2507 min_code_cache_size/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2508 status = false; |
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2509 } else if (ReservedCodeCacheSize > 2*G) { |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2510 // Code cache size larger than MAXINT is not supported. |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2511 jio_fprintf(defaultStream::error_stream(), |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2512 "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
|
2513 (2*G)/M); |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2514 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
|
2515 } |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2516 |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2517 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
|
2518 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2519 |
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
|
2520 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
|
2521 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
|
2522 } |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2523 |
18054
fbf689f3752e
8042603: 'SafepointPollOffset' was not declared in static member function 'static bool Arguments::check_vm_args_consistency()'
twisti
parents:
18049
diff
changeset
|
2524 #ifdef COMPILER1 |
18049 | 2525 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
|
2526 #endif |
18049 | 2527 |
20597
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2528 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
|
2529 // 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
|
2530 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
|
2531 // 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
|
2532 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
|
2533 |
0 | 2534 return status; |
2535 } | |
2536 | |
2537 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
2538 const char* option_type) { | |
2539 if (ignore) return false; | |
2540 | |
2541 const char* spacer = " "; | |
2542 if (option_type == NULL) { | |
2543 option_type = ++spacer; // Set both to the empty string. | |
2544 } | |
2545 | |
2546 if (os::obsolete_option(option)) { | |
2547 jio_fprintf(defaultStream::error_stream(), | |
2548 "Obsolete %s%soption: %s\n", option_type, spacer, | |
2549 option->optionString); | |
2550 return false; | |
2551 } else { | |
2552 jio_fprintf(defaultStream::error_stream(), | |
2553 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
2554 option->optionString); | |
2555 return true; | |
2556 } | |
2557 } | |
2558 | |
2559 static const char* user_assertion_options[] = { | |
2560 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
2561 }; | |
2562 | |
2563 static const char* system_assertion_options[] = { | |
2564 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
2565 }; | |
2566 | |
2567 // Return true if any of the strings in null-terminated array 'names' matches. | |
2568 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
2569 // the option must match exactly. | |
2570 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
2571 bool tail_allowed) { | |
2572 for (/* empty */; *names != NULL; ++names) { | |
2573 if (match_option(option, *names, tail)) { | |
2574 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
2575 return true; | |
2576 } | |
2577 } | |
2578 } | |
2579 return false; | |
2580 } | |
2581 | |
1284 | 2582 bool Arguments::parse_uintx(const char* value, |
2583 uintx* uintx_arg, | |
2584 uintx min_size) { | |
2585 | |
2586 // Check the sign first since atomull() parses only unsigned values. | |
2587 bool value_is_positive = !(*value == '-'); | |
2588 | |
2589 if (value_is_positive) { | |
2590 julong n; | |
2591 bool good_return = atomull(value, &n); | |
2592 if (good_return) { | |
2593 bool above_minimum = n >= min_size; | |
2594 bool value_is_too_large = n > max_uintx; | |
2595 | |
2596 if (above_minimum && !value_is_too_large) { | |
2597 *uintx_arg = n; | |
2598 return true; | |
2599 } | |
2600 } | |
2601 } | |
2602 return false; | |
2603 } | |
2604 | |
0 | 2605 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
|
2606 julong* long_arg, |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2607 julong min_size) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2608 if (!atomull(s, long_arg)) return arg_unreadable; |
0 | 2609 return check_memory_size(*long_arg, min_size); |
2610 } | |
2611 | |
2612 // Parse JavaVMInitArgs structure | |
2613 | |
2614 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
2615 // For components of the system classpath. | |
2616 SysClassPath scp(Arguments::get_sysclasspath()); | |
2617 bool scp_assembly_required = false; | |
2618 | |
2619 // Save default settings for some mode flags | |
2620 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
2621 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
2622 Arguments::_ClipInlining = ClipInlining; | |
2623 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
2624 | |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2625 // Setup flags for mixed which is the default |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2626 set_mode_flags(_mixed); |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2627 |
0 | 2628 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2629 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
2630 if (result != JNI_OK) { | |
2631 return result; | |
2632 } | |
2633 | |
2634 // Parse JavaVMInitArgs structure passed in | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2635 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
0 | 2636 if (result != JNI_OK) { |
2637 return result; | |
2638 } | |
2639 | |
2640 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
2641 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
2642 if (result != JNI_OK) { | |
2643 return result; | |
2644 } | |
2645 | |
2646 // Do final processing now that all arguments have been parsed | |
2647 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
2648 if (result != JNI_OK) { | |
2649 return result; | |
2650 } | |
2651 | |
2652 return JNI_OK; | |
2653 } | |
2654 | |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2655 // 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
|
2656 // 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
|
2657 // 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
|
2658 // -agentlib |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2659 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
|
2660 char *_name; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2661 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
|
2662 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
|
2663 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2664 if (is_path) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2665 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
|
2666 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2667 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2668 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2669 _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
|
2670 _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
|
2671 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2672 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
|
2673 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2674 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2675 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2676 _name += _len_prefix; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2677 _len_hprof = strlen(_hprof); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2678 _len_jdwp = strlen(_jdwp); |
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 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
|
2681 _name += _len_hprof; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2682 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2683 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
|
2684 _name += _len_jdwp; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2685 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2686 else { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2687 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2688 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2689 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2690 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
|
2691 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2692 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2693 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2694 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2695 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2696 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2697 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
|
2698 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2699 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2700 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2701 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2702 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2703 |
0 | 2704 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
2705 SysClassPath* scp_p, | |
2706 bool* scp_assembly_required_p, | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2707 Flag::Flags origin) { |
0 | 2708 // Remaining part of option string |
2709 const char* tail; | |
2710 | |
2711 // iterate over arguments | |
2712 for (int index = 0; index < args->nOptions; index++) { | |
2713 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
2714 | |
2715 const JavaVMOption* option = args->options + index; | |
2716 | |
2717 if (!match_option(option, "-Djava.class.path", &tail) && | |
2718 !match_option(option, "-Dsun.java.command", &tail) && | |
2719 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
2720 | |
2721 // add all jvm options to the jvm_args string. This string | |
2722 // is used later to set the java.vm.args PerfData string constant. | |
2723 // the -Djava.class.path and the -Dsun.java.command options are | |
2724 // omitted from jvm_args string as each have their own PerfData | |
2725 // string constant object. | |
2726 build_jvm_args(option->optionString); | |
2727 } | |
2728 | |
2729 // -verbose:[class/gc/jni] | |
2730 if (match_option(option, "-verbose", &tail)) { | |
2731 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
2732 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
2733 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
2734 } else if (!strcmp(tail, ":gc")) { | |
2735 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2736 } else if (!strcmp(tail, ":jni")) { | |
2737 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
2738 } | |
2739 // -da / -ea / -disableassertions / -enableassertions | |
2740 // These accept an optional class/package name separated by a colon, e.g., | |
2741 // -da:java.lang.Thread. | |
2742 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
2743 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2744 if (*tail == '\0') { | |
2745 JavaAssertions::setUserClassDefault(enable); | |
2746 } else { | |
2747 assert(*tail == ':', "bogus match by match_option()"); | |
2748 JavaAssertions::addOption(tail + 1, enable); | |
2749 } | |
2750 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
2751 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
2752 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2753 JavaAssertions::setSystemClassDefault(enable); | |
2754 // -bootclasspath: | |
2755 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
2756 scp_p->reset_path(tail); | |
2757 *scp_assembly_required_p = true; | |
2758 // -bootclasspath/a: | |
2759 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
2760 scp_p->add_suffix(tail); | |
2761 *scp_assembly_required_p = true; | |
2762 // -bootclasspath/p: | |
2763 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
2764 scp_p->add_prefix(tail); | |
2765 *scp_assembly_required_p = true; | |
2766 // -Xrun | |
2767 } else if (match_option(option, "-Xrun", &tail)) { | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2768 if (tail != NULL) { |
0 | 2769 const char* pos = strchr(tail, ':'); |
2770 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2771 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2772 name[len] = '\0'; |
2773 | |
2774 char *options = NULL; | |
2775 if(pos != NULL) { | |
2776 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
6197 | 2777 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
0 | 2778 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2779 #if !INCLUDE_JVMTI |
0 | 2780 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2781 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
|
2782 "Profiling and debugging 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
|
2783 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2784 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2785 #endif // !INCLUDE_JVMTI |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2786 #if defined(GRAAL) |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2787 if (strcmp(name, "hprof") == 0) { |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2788 FLAG_SET_CMDLINE(bool, GraalHProfEnabled, true); |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2789 } |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2790 #endif |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2791 add_init_library(name, options); |
0 | 2792 } |
2793 // -agentlib and -agentpath | |
2794 } else if (match_option(option, "-agentlib:", &tail) || | |
2795 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
2796 if(tail != NULL) { | |
2797 const char* pos = strchr(tail, '='); | |
2798 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2799 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2800 name[len] = '\0'; |
2801 | |
2802 char *options = NULL; | |
2803 if(pos != NULL) { | |
6197 | 2804 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
0 | 2805 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2806 #if !INCLUDE_JVMTI |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2807 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2808 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
|
2809 "Profiling and debugging 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
|
2810 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2811 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2812 #endif // !INCLUDE_JVMTI |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2813 #if defined(GRAAL) |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2814 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2815 FLAG_SET_CMDLINE(bool, GraalHProfEnabled, true); |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2816 } |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2817 #endif |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2818 |
0 | 2819 add_init_agent(name, options, is_absolute_path); |
2820 } | |
2821 // -javaagent | |
2822 } else if (match_option(option, "-javaagent:", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2823 #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
|
2824 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
|
2825 "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
|
2826 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2827 #else |
0 | 2828 if(tail != NULL) { |
6197 | 2829 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
0 | 2830 add_init_agent("instrument", options, false); |
2831 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2832 #endif // !INCLUDE_JVMTI |
0 | 2833 // -Xnoclassgc |
2834 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
2835 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
2836 // -Xincgc: i-CMS | |
2837 } else if (match_option(option, "-Xincgc", &tail)) { | |
2838 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2839 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
2840 // -Xnoincgc: no i-CMS | |
2841 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
2842 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2843 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
2844 // -Xconcgc | |
2845 } else if (match_option(option, "-Xconcgc", &tail)) { | |
2846 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2847 // -Xnoconcgc | |
2848 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
2849 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2850 // -Xbatch | |
2851 } else if (match_option(option, "-Xbatch", &tail)) { | |
2852 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2853 // -Xmn for compatibility with other JVM vendors | |
2854 } else if (match_option(option, "-Xmn", &tail)) { | |
12831 | 2855 julong long_initial_young_size = 0; |
2856 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
0 | 2857 if (errcode != arg_in_range) { |
2858 jio_fprintf(defaultStream::error_stream(), | |
12831 | 2859 "Invalid initial young generation size: %s\n", option->optionString); |
0 | 2860 describe_range_error(errcode); |
2861 return JNI_EINVAL; | |
2862 } | |
12831 | 2863 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
2864 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
0 | 2865 // -Xms |
2866 } else if (match_option(option, "-Xms", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2867 julong long_initial_heap_size = 0; |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2868 // an initial heap size of 0 means automatically determine |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2869 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
0 | 2870 if (errcode != arg_in_range) { |
2871 jio_fprintf(defaultStream::error_stream(), | |
2872 "Invalid initial heap size: %s\n", option->optionString); | |
2873 describe_range_error(errcode); | |
2874 return JNI_EINVAL; | |
2875 } | |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2876 set_min_heap_size((uintx)long_initial_heap_size); |
0 | 2877 // 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
|
2878 // Can be overridden with -XX:InitialHeapSize. |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2879 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
0 | 2880 // -Xmx |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2881 } 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
|
2882 julong long_max_heap_size = 0; |
0 | 2883 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2884 if (errcode != arg_in_range) { | |
2885 jio_fprintf(defaultStream::error_stream(), | |
2886 "Invalid maximum heap size: %s\n", option->optionString); | |
2887 describe_range_error(errcode); | |
2888 return JNI_EINVAL; | |
2889 } | |
1064 | 2890 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
0 | 2891 // Xmaxf |
2892 } 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
|
2893 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2894 int maxf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2895 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
0 | 2896 jio_fprintf(defaultStream::error_stream(), |
2897 "Bad max heap free percentage size: %s\n", | |
2898 option->optionString); | |
2899 return JNI_EINVAL; | |
2900 } else { | |
2901 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
2902 } | |
2903 // Xminf | |
2904 } 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
|
2905 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2906 int minf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2907 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
0 | 2908 jio_fprintf(defaultStream::error_stream(), |
2909 "Bad min heap free percentage size: %s\n", | |
2910 option->optionString); | |
2911 return JNI_EINVAL; | |
2912 } else { | |
2913 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
2914 } | |
2915 // -Xss | |
2916 } else if (match_option(option, "-Xss", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2917 julong long_ThreadStackSize = 0; |
0 | 2918 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2919 if (errcode != arg_in_range) { | |
2920 jio_fprintf(defaultStream::error_stream(), | |
2921 "Invalid thread stack size: %s\n", option->optionString); | |
2922 describe_range_error(errcode); | |
2923 return JNI_EINVAL; | |
2924 } | |
2925 // Internally track ThreadStackSize in units of 1024 bytes. | |
2926 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
2927 round_to((int)long_ThreadStackSize, K) / K); | |
2928 // -Xoss | |
2929 } else if (match_option(option, "-Xoss", &tail)) { | |
2930 // 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
|
2931 } 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
|
2932 julong long_CodeCacheExpansionSize = 0; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2933 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
|
2934 if (errcode != arg_in_range) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2935 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2936 "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
|
2937 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2938 return JNI_EINVAL; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2939 } |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2940 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
|
2941 } 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
|
2942 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2943 julong long_ReservedCodeCacheSize = 0; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2944 |
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
|
2945 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
0 | 2946 if (errcode != arg_in_range) { |
2947 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
parents:
10319
diff
changeset
|
2948 "Invalid maximum code cache size: %s.\n", option->optionString); |
0 | 2949 return JNI_EINVAL; |
2950 } | |
2951 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2952 //-XX:IncreaseFirstTierCompileThresholdAt= |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2953 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2954 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2955 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2956 jio_fprintf(defaultStream::error_stream(), |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2957 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2958 option->optionString); |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2959 return JNI_EINVAL; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2960 } |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2961 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
0 | 2962 // -green |
2963 } else if (match_option(option, "-green", &tail)) { | |
2964 jio_fprintf(defaultStream::error_stream(), | |
2965 "Green threads support not available\n"); | |
2966 return JNI_EINVAL; | |
2967 // -native | |
2968 } else if (match_option(option, "-native", &tail)) { | |
2969 // HotSpot always uses native threads, ignore silently for compatibility | |
2970 // -Xsqnopause | |
2971 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
2972 // EVM option, ignore silently for compatibility | |
2973 // -Xrs | |
2974 } else if (match_option(option, "-Xrs", &tail)) { | |
2975 // Classic/EVM option, new functionality | |
2976 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
2977 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
2978 // change default internal VM signals used - lower case for back compat | |
2979 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
2980 // -Xoptimize | |
2981 } else if (match_option(option, "-Xoptimize", &tail)) { | |
2982 // EVM option, ignore silently for compatibility | |
2983 // -Xprof | |
2984 } else if (match_option(option, "-Xprof", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2985 #if INCLUDE_FPROF |
0 | 2986 _has_profile = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2987 #else // INCLUDE_FPROF |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2988 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
|
2989 "Flat profiling 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
|
2990 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2991 #endif // INCLUDE_FPROF |
0 | 2992 // -Xconcurrentio |
2993 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
2994 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
2995 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2996 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
2997 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2998 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
2999 | |
3000 // -Xinternalversion | |
3001 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
3002 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
3003 VM_Version::internal_vm_info_string()); | |
3004 vm_exit(0); | |
3005 #ifndef PRODUCT | |
3006 // -Xprintflags | |
3007 } else if (match_option(option, "-Xprintflags", &tail)) { | |
4773 | 3008 CommandLineFlags::printFlags(tty, false); |
0 | 3009 vm_exit(0); |
3010 #endif | |
3011 // -D | |
3012 } else if (match_option(option, "-D", &tail)) { | |
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3013 if (CheckEndorsedAndExtDirs) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3014 if (match_option(option, "-Djava.endorsed.dirs=", &tail)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3015 // abort if -Djava.endorsed.dirs is set |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3016 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3017 "-Djava.endorsed.dirs will not be supported in a future release.\n" |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3018 "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
|
3019 return JNI_EINVAL; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3020 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3021 if (match_option(option, "-Djava.ext.dirs=", &tail)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3022 // abort if -Djava.ext.dirs is set |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3023 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3024 "-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
|
3025 "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
|
3026 return JNI_EINVAL; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3027 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3028 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3029 |
0 | 3030 if (!add_property(tail)) { |
3031 return JNI_ENOMEM; | |
3032 } | |
3033 // Out of the box management support | |
3034 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
|
3035 #if INCLUDE_MANAGEMENT |
0 | 3036 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
|
3037 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3038 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
|
3039 "-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
|
3040 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3041 #endif |
0 | 3042 } |
3043 // -Xint | |
3044 } else if (match_option(option, "-Xint", &tail)) { | |
3045 set_mode_flags(_int); | |
3046 // -Xmixed | |
3047 } else if (match_option(option, "-Xmixed", &tail)) { | |
3048 set_mode_flags(_mixed); | |
3049 // -Xcomp | |
3050 } else if (match_option(option, "-Xcomp", &tail)) { | |
3051 // for testing the compiler; turn off all flags that inhibit compilation | |
3052 set_mode_flags(_comp); | |
3053 // -Xshare:dump | |
3054 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
3055 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
3056 set_mode_flags(_int); // Prevent compilation, which creates objects | |
3057 // -Xshare:on | |
3058 } else if (match_option(option, "-Xshare:on", &tail)) { | |
3059 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
3060 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
3061 // -Xshare:auto | |
3062 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
3063 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
3064 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
3065 // -Xshare:off | |
3066 } else if (match_option(option, "-Xshare:off", &tail)) { | |
3067 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
3068 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
3069 // -Xverify | |
3070 } else if (match_option(option, "-Xverify", &tail)) { | |
3071 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
3072 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
3073 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
3074 } else if (strcmp(tail, ":remote") == 0) { | |
3075 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
3076 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
3077 } else if (strcmp(tail, ":none") == 0) { | |
3078 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
3079 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
3080 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
3081 return JNI_EINVAL; | |
3082 } | |
3083 // -Xdebug | |
3084 } else if (match_option(option, "-Xdebug", &tail)) { | |
3085 // note this flag has been used, then ignore | |
3086 set_xdebug_mode(true); | |
3087 // -Xnoagent | |
3088 } else if (match_option(option, "-Xnoagent", &tail)) { | |
3089 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
3090 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
3091 // Bind user level threads to kernel threads (Solaris only) | |
3092 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
3093 } else if (match_option(option, "-Xloggc:", &tail)) { | |
3094 // Redirect GC output to the file. -Xloggc:<filename> | |
3095 // ostream_init_log(), when called will use this filename | |
3096 // to initialize a fileStream. | |
3097 _gc_log_filename = strdup(tail); | |
12215 | 3098 if (!is_filename_valid(_gc_log_filename)) { |
3099 jio_fprintf(defaultStream::output_stream(), | |
3100 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
3101 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
3102 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
3103 return JNI_EINVAL; | |
3104 } | |
0 | 3105 FLAG_SET_CMDLINE(bool, PrintGC, true); |
3106 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
3107 | |
3108 // JNI hooks | |
3109 } else if (match_option(option, "-Xcheck", &tail)) { | |
3110 if (!strcmp(tail, ":jni")) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3111 #if !INCLUDE_JNI_CHECK |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3112 warning("JNI CHECKING is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3113 #else |
0 | 3114 CheckJNICalls = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3115 #endif // INCLUDE_JNI_CHECK |
0 | 3116 } else if (is_bad_option(option, args->ignoreUnrecognized, |
3117 "check")) { | |
3118 return JNI_EINVAL; | |
3119 } | |
3120 } else if (match_option(option, "vfprintf", &tail)) { | |
3121 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
3122 } else if (match_option(option, "exit", &tail)) { | |
3123 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
3124 } else if (match_option(option, "abort", &tail)) { | |
3125 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
3126 // -XX:+AggressiveHeap | |
3127 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
3128 | |
3129 // This option inspects the machine and attempts to set various | |
3130 // parameters to be optimal for long-running, memory allocation | |
3131 // intensive jobs. It is intended for machines with large | |
3132 // amounts of cpu and memory. | |
3133 | |
3134 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
3135 // VM, but we may not be able to represent the total physical memory | |
3136 // available (like having 8gb of memory on a box but using a 32bit VM). | |
3137 // Thus, we need to make sure we're using a julong for intermediate | |
3138 // calculations. | |
3139 julong initHeapSize; | |
3140 julong total_memory = os::physical_memory(); | |
3141 | |
3142 if (total_memory < (julong)256*M) { | |
3143 jio_fprintf(defaultStream::error_stream(), | |
3144 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
3145 vm_exit(1); | |
3146 } | |
3147 | |
3148 // The heap size is half of available memory, or (at most) | |
3149 // all of possible memory less 160mb (leaving room for the OS | |
3150 // when using ISM). This is the maximum; because adaptive sizing | |
3151 // is turned on below, the actual space used may be smaller. | |
3152 | |
3153 initHeapSize = MIN2(total_memory / (julong)2, | |
3154 total_memory - (julong)160*M); | |
3155 | |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
3156 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
0 | 3157 |
3158 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
3159 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
1064 | 3160 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
0 | 3161 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 3162 set_min_heap_size(initHeapSize); |
0 | 3163 } |
3164 if (FLAG_IS_DEFAULT(NewSize)) { | |
3165 // Make the young generation 3/8ths of the total heap. | |
3166 FLAG_SET_CMDLINE(uintx, NewSize, | |
3167 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
3168 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
3169 } | |
3170 | |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3171 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
0 | 3172 FLAG_SET_DEFAULT(UseLargePages, true); |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3173 #endif |
0 | 3174 |
3175 // Increase some data structure sizes for efficiency | |
3176 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
3177 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3178 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
3179 | |
3180 // See the OldPLABSize comment below, but replace 'after promotion' | |
3181 // with 'after copying'. YoungPLABSize is the size of the survivor | |
3182 // space per-gc-thread buffers. The default is 4kw. | |
3183 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
3184 | |
3185 // OldPLABSize is the size of the buffers in the old gen that | |
3186 // UseParallelGC uses to promote live data that doesn't fit in the | |
3187 // survivor spaces. At any given time, there's one for each gc thread. | |
3188 // The default size is 1kw. These buffers are rarely used, since the | |
3189 // survivor spaces are usually big enough. For specjbb, however, there | |
3190 // are occasions when there's lots of live data in the young gen | |
3191 // and we end up promoting some of it. We don't have a definite | |
3192 // explanation for why bumping OldPLABSize helps, but the theory | |
3193 // is that a bigger PLAB results in retaining something like the | |
3194 // original allocation order after promotion, which improves mutator | |
3195 // locality. A minor effect may be that larger PLABs reduce the | |
3196 // number of PLAB allocation events during gc. The value of 8kw | |
3197 // was arrived at by experimenting with specjbb. | |
3198 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
3199 | |
3200 // Enable parallel GC and adaptive generation sizing | |
3201 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3202 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3203 Abstract_VM_Version::parallel_worker_threads()); |
0 | 3204 |
3205 // Encourage steady state memory management | |
3206 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
3207 | |
3208 // This appears to improve mutator locality | |
3209 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3210 | |
3211 // Get around early Solaris scheduling bug | |
3212 // (affinity vs other jobs on system) | |
3213 // but disallow DR and offlining (5008695). | |
3214 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
3215 | |
3216 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
3217 // The last option must always win. | |
3218 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
3219 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
3220 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
3221 // The last option must always win. | |
3222 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
3223 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
3224 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
3225 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
3226 jio_fprintf(defaultStream::error_stream(), | |
3227 "Please use CMSClassUnloadingEnabled in place of " | |
3228 "CMSPermGenSweepingEnabled in the future\n"); | |
3229 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
3230 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
3231 jio_fprintf(defaultStream::error_stream(), | |
3232 "Please use -XX:+UseGCOverheadLimit in place of " | |
3233 "-XX:+UseGCTimeLimit in the future\n"); | |
3234 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
3235 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
3236 jio_fprintf(defaultStream::error_stream(), | |
3237 "Please use -XX:-UseGCOverheadLimit in place of " | |
3238 "-XX:-UseGCTimeLimit in the future\n"); | |
3239 // The TLE options are for compatibility with 1.3 and will be | |
3240 // removed without notice in a future release. These options | |
3241 // are not to be documented. | |
3242 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
3243 // No longer used. | |
3244 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
3245 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
3246 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
3247 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3248 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
3249 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
3250 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
3251 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
3252 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
3253 // No longer used. | |
3254 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3255 julong long_tlab_size = 0; |
0 | 3256 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
3257 if (errcode != arg_in_range) { | |
3258 jio_fprintf(defaultStream::error_stream(), | |
3259 "Invalid TLAB size: %s\n", option->optionString); | |
3260 describe_range_error(errcode); | |
3261 return JNI_EINVAL; | |
3262 } | |
3263 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
3264 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
3265 // No longer used. | |
3266 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
3267 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
3268 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
3269 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
3270 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
3271 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
3272 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
3273 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
3274 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
3275 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
3276 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
4006 | 3277 #if defined(DTRACE_ENABLED) |
0 | 3278 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
3279 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
3280 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
3281 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
4006 | 3282 #else // defined(DTRACE_ENABLED) |
0 | 3283 jio_fprintf(defaultStream::error_stream(), |
4006 | 3284 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
0 | 3285 return JNI_EINVAL; |
4006 | 3286 #endif // defined(DTRACE_ENABLED) |
0 | 3287 #ifdef ASSERT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3288 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
0 | 3289 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
3290 // disable scavenge before parallel mark-compact | |
3291 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3292 #endif | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3293 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
0 | 3294 julong cms_blocks_to_claim = (julong)atol(tail); |
3295 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
3296 jio_fprintf(defaultStream::error_stream(), | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3297 "Please use -XX:OldPLABSize in place of " |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3298 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3299 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3300 julong cms_blocks_to_claim = (julong)atol(tail); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3301 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3302 jio_fprintf(defaultStream::error_stream(), |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3303 "Please use -XX:OldPLABSize in place of " |
0 | 3304 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3305 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3306 julong old_plab_size = 0; |
0 | 3307 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
3308 if (errcode != arg_in_range) { | |
3309 jio_fprintf(defaultStream::error_stream(), | |
3310 "Invalid old PLAB size: %s\n", option->optionString); | |
3311 describe_range_error(errcode); | |
3312 return JNI_EINVAL; | |
3313 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3314 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
0 | 3315 jio_fprintf(defaultStream::error_stream(), |
3316 "Please use -XX:OldPLABSize in place of " | |
3317 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3318 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3319 julong young_plab_size = 0; |
0 | 3320 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
3321 if (errcode != arg_in_range) { | |
3322 jio_fprintf(defaultStream::error_stream(), | |
3323 "Invalid young PLAB size: %s\n", option->optionString); | |
3324 describe_range_error(errcode); | |
3325 return JNI_EINVAL; | |
3326 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3327 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
0 | 3328 jio_fprintf(defaultStream::error_stream(), |
3329 "Please use -XX:YoungPLABSize in place of " | |
3330 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
1284 | 3331 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
3332 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
3333 julong stack_size = 0; | |
3334 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
3335 if (errcode != arg_in_range) { | |
3336 jio_fprintf(defaultStream::error_stream(), | |
3337 "Invalid mark stack size: %s\n", option->optionString); | |
3338 describe_range_error(errcode); | |
3339 return JNI_EINVAL; | |
3340 } | |
3341 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
3342 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
3343 julong max_stack_size = 0; | |
3344 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
3345 if (errcode != arg_in_range) { | |
3346 jio_fprintf(defaultStream::error_stream(), | |
3347 "Invalid maximum mark stack size: %s\n", | |
3348 option->optionString); | |
3349 describe_range_error(errcode); | |
3350 return JNI_EINVAL; | |
3351 } | |
3352 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
3353 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
3354 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
3355 uintx conc_threads = 0; | |
3356 if (!parse_uintx(tail, &conc_threads, 1)) { | |
3357 jio_fprintf(defaultStream::error_stream(), | |
3358 "Invalid concurrent threads: %s\n", option->optionString); | |
3359 return JNI_EINVAL; | |
3360 } | |
3361 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3362 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3363 julong max_direct_memory_size = 0; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3364 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
|
3365 if (errcode != arg_in_range) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3366 jio_fprintf(defaultStream::error_stream(), |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3367 "Invalid maximum direct memory size: %s\n", |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3368 option->optionString); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3369 describe_range_error(errcode); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3370 return JNI_EINVAL; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3371 } |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3372 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3373 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3374 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3375 // away and will cause VM initialization failures! |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3376 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
|
3377 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
|
3378 #if !INCLUDE_MANAGEMENT |
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3379 } 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
|
3380 jio_fprintf(defaultStream::error_stream(), |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3381 "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
|
3382 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3383 #endif // INCLUDE_MANAGEMENT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3384 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
0 | 3385 // Skip -XX:Flags= since that case has already been handled |
3386 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
3387 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
3388 return JNI_EINVAL; | |
3389 } | |
3390 } | |
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
|
3391 } |
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
|
3392 #ifdef GRAAL |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3393 else if (match_option(option, "-G:", &tail)) { // -G:XXX |
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3394 // Option for the Graal compiler. |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3395 if (PrintVMOptions) { |
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3396 tty->print_cr("Graal option %s", tail); |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3397 } |
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
3398 Arguments::add_graal_arg(tail); |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3399 |
0 | 3400 // Unknown option |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3401 } |
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
|
3402 #endif |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3403 else if (is_bad_option(option, args->ignoreUnrecognized)) { |
0 | 3404 return JNI_ERR; |
3405 } | |
3406 } | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3407 |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3408 // PrintSharedArchiveAndExit will turn on |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3409 // -Xshare:on |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3410 // -XX:+TraceClassPaths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3411 if (PrintSharedArchiveAndExit) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3412 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3413 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3414 FLAG_SET_CMDLINE(bool, TraceClassPaths, true); |
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 |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3417 // 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
|
3418 // when working with older JDKs. |
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3419 #ifdef LINUX |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3420 if (JDK_Version::current().compare_major(6) <= 0 && |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3421 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3422 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
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1628
diff
changeset
|
3423 } |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
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1628
diff
changeset
|
3424 #endif // LINUX |
20375
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|
3425 fix_appclasspath(); |
0 | 3426 return JNI_OK; |
3427 } | |
3428 | |
20375
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|
3429 // Remove all empty paths from the app classpath (if IgnoreEmptyClassPaths is enabled) |
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|
3430 // |
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|
3431 // This is necessary because some apps like to specify classpath like -cp foo.jar:${XYZ}:bar.jar |
6e0cb14ce59b
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|
3432 // in their start-up scripts. If XYZ is empty, the classpath will look like "-cp foo.jar::bar.jar". |
6e0cb14ce59b
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changeset
|
3433 // Java treats such empty paths as if the user specified "-cp foo.jar:.:bar.jar". I.e., an empty |
6e0cb14ce59b
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20360
diff
changeset
|
3434 // path is treated as the current directory. |
6e0cb14ce59b
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diff
changeset
|
3435 // |
6e0cb14ce59b
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changeset
|
3436 // This causes problems with CDS, which requires that all directories specified in the classpath |
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|
3437 // must be empty. In most cases, applications do NOT want to load classes from the current |
6e0cb14ce59b
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|
3438 // directory anyway. Adding -XX:+IgnoreEmptyClassPaths will make these applications' start-up |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
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parents:
20360
diff
changeset
|
3439 // scripts compatible with CDS. |
6e0cb14ce59b
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20360
diff
changeset
|
3440 void Arguments::fix_appclasspath() { |
6e0cb14ce59b
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iklam
parents:
20360
diff
changeset
|
3441 if (IgnoreEmptyClassPaths) { |
6e0cb14ce59b
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20360
diff
changeset
|
3442 const char separator = *os::path_separator(); |
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diff
changeset
|
3443 const char* src = _java_class_path->value(); |
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diff
changeset
|
3444 |
6e0cb14ce59b
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diff
changeset
|
3445 // skip over all the leading empty paths |
6e0cb14ce59b
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iklam
parents:
20360
diff
changeset
|
3446 while (*src == separator) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3447 src ++; |
6e0cb14ce59b
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parents:
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diff
changeset
|
3448 } |
6e0cb14ce59b
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diff
changeset
|
3449 |
6e0cb14ce59b
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changeset
|
3450 char* copy = AllocateHeap(strlen(src) + 1, mtInternal); |
6e0cb14ce59b
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|
3451 strncpy(copy, src, strlen(src) + 1); |
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diff
changeset
|
3452 |
6e0cb14ce59b
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changeset
|
3453 // trim all trailing empty paths |
6e0cb14ce59b
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diff
changeset
|
3454 for (char* tail = copy + strlen(copy) - 1; tail >= copy && *tail == separator; tail--) { |
6e0cb14ce59b
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parents:
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diff
changeset
|
3455 *tail = '\0'; |
6e0cb14ce59b
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iklam
parents:
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diff
changeset
|
3456 } |
6e0cb14ce59b
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parents:
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diff
changeset
|
3457 |
6e0cb14ce59b
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diff
changeset
|
3458 char from[3] = {separator, separator, '\0'}; |
6e0cb14ce59b
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changeset
|
3459 char to [2] = {separator, '\0'}; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
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diff
changeset
|
3460 while (StringUtils::replace_no_expand(copy, from, to) > 0) { |
6e0cb14ce59b
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parents:
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diff
changeset
|
3461 // Keep replacing "::" -> ":" until we have no more "::" (non-windows) |
6e0cb14ce59b
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iklam
parents:
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diff
changeset
|
3462 // Keep replacing ";;" -> ";" until we have no more ";;" (windows) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3463 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3464 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3465 _java_class_path->set_value(copy); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3466 FreeHeap(copy); // a copy was made by set_value, so don't need this anymore |
6e0cb14ce59b
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iklam
parents:
20360
diff
changeset
|
3467 } |
6e0cb14ce59b
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iklam
parents:
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diff
changeset
|
3468 |
6e0cb14ce59b
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iklam
parents:
20360
diff
changeset
|
3469 if (!PrintSharedArchiveAndExit) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3470 ClassLoader::trace_class_path("[classpath: ", _java_class_path->value()); |
6e0cb14ce59b
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iklam
parents:
20360
diff
changeset
|
3471 } |
6e0cb14ce59b
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iklam
parents:
20360
diff
changeset
|
3472 } |
6e0cb14ce59b
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diff
changeset
|
3473 |
20654
fa6adc194d48
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|
3474 static bool has_jar_files(const char* directory) { |
fa6adc194d48
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|
3475 DIR* dir = os::opendir(directory); |
fa6adc194d48
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|
3476 if (dir == NULL) return false; |
fa6adc194d48
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mchung
parents:
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diff
changeset
|
3477 |
fa6adc194d48
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parents:
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diff
changeset
|
3478 struct dirent *entry; |
fa6adc194d48
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mchung
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diff
changeset
|
3479 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
fa6adc194d48
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|
3480 bool hasJarFile = false; |
fa6adc194d48
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mchung
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20601
diff
changeset
|
3481 while (!hasJarFile && (entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
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|
3482 const char* name = entry->d_name; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
changeset
|
3483 const char* ext = name + strlen(name) - 4; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3484 hasJarFile = ext > name && (os::file_name_strcmp(ext, ".jar") == 0); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3485 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3486 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3487 os::closedir(dir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3488 return hasJarFile ; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3489 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3490 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3491 // returns the number of directories in the given path containing JAR files |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3492 // If the skip argument is not NULL, it will skip that directory |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3493 static int check_non_empty_dirs(const char* path, const char* type, const char* skip) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3494 const char separator = *os::path_separator(); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3495 const char* const end = path + strlen(path); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3496 int nonEmptyDirs = 0; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3497 while (path < end) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3498 const char* tmp_end = strchr(path, separator); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3499 if (tmp_end == NULL) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3500 if ((skip == NULL || strcmp(path, skip) != 0) && has_jar_files(path)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3501 nonEmptyDirs++; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3502 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3503 "Non-empty %s directory: %s\n", type, path); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3504 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3505 path = end; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3506 } else { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3507 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
|
3508 memcpy(dirpath, path, tmp_end - path); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3509 dirpath[tmp_end - path] = '\0'; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3510 if ((skip == NULL || strcmp(dirpath, skip) != 0) && has_jar_files(dirpath)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3511 nonEmptyDirs++; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3512 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3513 "Non-empty %s directory: %s\n", type, dirpath); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3514 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3515 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3516 path = tmp_end + 1; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3517 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3518 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3519 return nonEmptyDirs; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3520 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3521 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3522 // 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
|
3523 // are not used. |
fa6adc194d48
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mchung
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20601
diff
changeset
|
3524 static bool check_endorsed_and_ext_dirs() { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3525 if (!CheckEndorsedAndExtDirs) |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3526 return true; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3527 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3528 char endorsedDir[JVM_MAXPATHLEN]; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3529 char extDir[JVM_MAXPATHLEN]; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3530 const char* fileSep = os::file_separator(); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3531 jio_snprintf(endorsedDir, sizeof(endorsedDir), "%s%slib%sendorsed", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3532 Arguments::get_java_home(), fileSep, fileSep); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3533 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
|
3534 Arguments::get_java_home(), fileSep, fileSep); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3535 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3536 // check endorsed directory |
fa6adc194d48
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mchung
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20601
diff
changeset
|
3537 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
|
3538 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3539 // check the extension directories but skip the default lib/ext directory |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3540 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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20601
diff
changeset
|
3541 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3542 // List of JAR files installed in the default lib/ext directory. |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3543 // -XX:+CheckEndorsedAndExtDirs checks if any non-JDK file installed |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3544 static const char* jdk_ext_jars[] = { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3545 "access-bridge-32.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3546 "access-bridge-64.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3547 "access-bridge.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3548 "cldrdata.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3549 "dnsns.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3550 "jaccess.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3551 "jfxrt.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3552 "localedata.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3553 "nashorn.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3554 "sunec.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3555 "sunjce_provider.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3556 "sunmscapi.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3557 "sunpkcs11.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3558 "ucrypto.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3559 "zipfs.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3560 NULL |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3561 }; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3562 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3563 // check if the default lib/ext directory has any non-JDK jar files; if so, error |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3564 DIR* dir = os::opendir(extDir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3565 if (dir != NULL) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3566 int num_ext_jars = 0; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3567 struct dirent *entry; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3568 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(extDir), mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3569 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3570 const char* name = entry->d_name; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
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|
3571 const char* ext = name + strlen(name) - 4; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
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|
3572 if (ext > name && (os::file_name_strcmp(ext, ".jar") == 0)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
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|
3573 bool is_jdk_jar = false; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
changeset
|
3574 const char* jarfile = NULL; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3575 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
|
3576 if (os::file_name_strcmp(name, jarfile) == 0) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3577 is_jdk_jar = true; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3578 break; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3579 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3580 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3581 if (!is_jdk_jar) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3582 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3583 "%s installed in <JAVA_HOME>/lib/ext\n", name); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3584 num_ext_jars++; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3585 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3586 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3587 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3588 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3589 os::closedir(dir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3590 if (num_ext_jars > 0) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3591 nonEmptyDirs += 1; |
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 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3594 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3595 // 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
|
3596 dir = os::opendir(endorsedDir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3597 if (dir != NULL) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3598 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
|
3599 os::closedir(dir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3600 nonEmptyDirs += 1; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3601 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3602 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3603 if (nonEmptyDirs > 0) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3604 jio_fprintf(defaultStream::output_stream(), |
20684
c03d85ef5e6a
8065765: Missing space in output message from -XX:+CheckEndorsedAndExtDirs
mchung
parents:
20655
diff
changeset
|
3605 "Endorsed standards override mechanism and extension mechanism " |
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3606 "will not be supported in a future release.\n" |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3607 "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
|
3608 return false; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3609 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3610 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3611 return true; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3612 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3613 |
0 | 3614 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { |
3615 // This must be done after all -D arguments have been processed. | |
3616 scp_p->expand_endorsed(); | |
3617 | |
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
|
3618 #ifdef GRAAL |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3619 if (!UseGraalClassLoader) { |
21040
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3620 // Append lib/graal/graal*.jar to boot class path |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3621 char graalDir[JVM_MAXPATHLEN]; |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3622 const char* fileSep = os::file_separator(); |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3623 jio_snprintf(graalDir, sizeof(graalDir), "%s%slib%sgraal", Arguments::get_java_home(), fileSep, fileSep); |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3624 DIR* dir = os::opendir(graalDir); |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3625 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
|
3626 struct dirent *entry; |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3627 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(graalDir), mtInternal); |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3628 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
|
3629 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
|
3630 const char* ext = name + strlen(name) - 4; |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3631 if (ext > name && strcmp(ext, ".jar") == 0 |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3632 && strlen(name) > strlen("graal") |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3633 && strncmp(name, "graal", strlen("graal")) == 0) { |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3634 char fileName[JVM_MAXPATHLEN]; |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3635 jio_snprintf(fileName, sizeof(fileName), "%s%s%s", graalDir, fileSep, name); |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3636 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
|
3637 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
|
3638 } |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3639 } |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3640 } |
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3641 |
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
|
3642 } |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3643 #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
|
3644 |
0 | 3645 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { |
3646 // Assemble the bootclasspath elements into the final path. | |
3647 Arguments::set_sysclasspath(scp_p->combined_path()); | |
3648 } | |
3649 | |
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
changeset
|
3650 if (!check_endorsed_and_ext_dirs()) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
changeset
|
3651 return JNI_ERR; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3652 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3653 |
0 | 3654 // This must be done after all arguments have been processed. |
3655 // java_compiler() true means set to "NONE" or empty. | |
3656 if (java_compiler() && !xdebug_mode()) { | |
3657 // For backwards compatibility, we switch to interpreted mode if | |
3658 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
3659 // not specified. | |
3660 set_mode_flags(_int); | |
3661 } | |
3662 if (CompileThreshold == 0) { | |
3663 set_mode_flags(_int); | |
3664 } | |
3665 | |
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3666 // 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
|
3667 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
|
3668 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
|
3669 } |
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3670 |
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
|
3671 #if !defined(COMPILER2) && !defined(COMPILERGRAAL) |
0 | 3672 // Don't degrade server performance for footprint |
3673 if (FLAG_IS_DEFAULT(UseLargePages) && | |
3674 MaxHeapSize < LargePageHeapSizeThreshold) { | |
3675 // No need for large granularity pages w/small heaps. | |
3676 // Note that large pages are enabled/disabled for both the | |
3677 // Java heap and the code cache. | |
3678 FLAG_SET_DEFAULT(UseLargePages, false); | |
3679 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3680 |
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
|
3681 #elif defined(COMPILER2) |
0 | 3682 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { |
3683 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
3684 } | |
3685 #endif | |
3686 | |
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3687 #ifndef TIERED |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3688 // Tiered compilation is undefined. |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3689 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3690 #endif |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3691 |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3692 // 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
|
3693 // to be true unless the property has already been set. |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3694 // 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
|
3695 if (os::is_headless_jre()) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3696 const char* headless = Arguments::get_property("java.awt.headless"); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3697 if (headless == NULL) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3698 char envbuffer[128]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3699 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3700 if (!add_property("java.awt.headless=true")) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3701 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3702 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3703 } else { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3704 char buffer[256]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3705 strcpy(buffer, "java.awt.headless="); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3706 strcat(buffer, envbuffer); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3707 if (!add_property(buffer)) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3708 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3709 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3710 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3711 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3712 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3713 |
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
3714 if (!check_vm_args_consistency()) { |
0 | 3715 return JNI_ERR; |
3716 } | |
3717 | |
3718 return JNI_OK; | |
3719 } | |
3720 | |
3721 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3722 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
3723 scp_assembly_required_p); | |
3724 } | |
3725 | |
3726 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3727 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
3728 scp_assembly_required_p); | |
3729 } | |
3730 | |
3731 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3732 const int N_MAX_OPTIONS = 64; | |
3733 const int OPTION_BUFFER_SIZE = 1024; | |
3734 char buffer[OPTION_BUFFER_SIZE]; | |
3735 | |
3736 // The variable will be ignored if it exceeds the length of the buffer. | |
3737 // Don't check this variable if user has special privileges | |
3738 // (e.g. unix su command). | |
3739 if (os::getenv(name, buffer, sizeof(buffer)) && | |
3740 !os::have_special_privileges()) { | |
3741 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
3742 jio_fprintf(defaultStream::error_stream(), | |
3743 "Picked up %s: %s\n", name, buffer); | |
3744 char* rd = buffer; // pointer to the input string (rd) | |
3745 int i; | |
3746 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
3747 while (isspace(*rd)) rd++; // skip whitespace | |
3748 if (*rd == 0) break; // we re done when the input string is read completely | |
3749 | |
3750 // The output, option string, overwrites the input string. | |
3751 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
3752 // input string (rd). | |
3753 char* wrt = rd; | |
3754 | |
3755 options[i++].optionString = wrt; // Fill in option | |
3756 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
3757 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
3758 int quote = *rd; // matching quote to look for | |
3759 rd++; // don't copy open quote | |
3760 while (*rd != quote) { // include everything (even spaces) up until quote | |
3761 if (*rd == 0) { // string termination means unmatched string | |
3762 jio_fprintf(defaultStream::error_stream(), | |
3763 "Unmatched quote in %s\n", name); | |
3764 return JNI_ERR; | |
3765 } | |
3766 *wrt++ = *rd++; // copy to option string | |
3767 } | |
3768 rd++; // don't copy close quote | |
3769 } else { | |
3770 *wrt++ = *rd++; // copy to option string | |
3771 } | |
3772 } | |
3773 // Need to check if we're done before writing a NULL, | |
3774 // because the write could be to the byte that rd is pointing to. | |
3775 if (*rd++ == 0) { | |
3776 *wrt = 0; | |
3777 break; | |
3778 } | |
3779 *wrt = 0; // Zero terminate option | |
3780 } | |
3781 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
3782 JavaVMInitArgs vm_args; | |
3783 vm_args.version = JNI_VERSION_1_2; | |
3784 vm_args.options = options; | |
3785 vm_args.nOptions = i; | |
564 | 3786 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
0 | 3787 |
3788 if (PrintVMOptions) { | |
3789 const char* tail; | |
3790 for (int i = 0; i < vm_args.nOptions; i++) { | |
3791 const JavaVMOption *option = vm_args.options + i; | |
3792 if (match_option(option, "-XX:", &tail)) { | |
3793 logOption(tail); | |
3794 } | |
3795 } | |
3796 } | |
3797 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3798 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
0 | 3799 } |
3800 return JNI_OK; | |
3801 } | |
3802 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3803 void Arguments::set_shared_spaces_flags() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3804 if (DumpSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3805 if (RequireSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3806 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
|
3807 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3808 UseSharedSpaces = false; |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3809 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3810 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3811 vm_exit_during_initialization( |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3812 "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
|
3813 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3814 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3815 if (!UseCompressedOops || !UseCompressedClassPointers) { |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3816 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
|
3817 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3818 #endif |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3819 } |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3820 } |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3821 |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3822 #if !INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3823 static void force_serial_gc() { |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3824 FLAG_SET_DEFAULT(UseSerialGC, true); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3825 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
|
3826 UNSUPPORTED_GC_OPTION(UseG1GC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3827 UNSUPPORTED_GC_OPTION(UseParallelGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3828 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3829 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3830 UNSUPPORTED_GC_OPTION(UseParNewGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3831 } |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3832 #endif // INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3833 |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3834 // Sharing support |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3835 // Construct the path to the archive |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3836 static char* get_shared_archive_path() { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3837 char *shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3838 if (SharedArchiveFile == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3839 char jvm_path[JVM_MAXPATHLEN]; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3840 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
|
3841 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
|
3842 if (end != NULL) *end = '\0'; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3843 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
|
3844 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
|
3845 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
|
3846 file_sep_len + 20, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3847 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3848 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
|
3849 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
|
3850 strncat(shared_archive_path, "classes.jsa", 11); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3851 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3852 } else { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3853 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
|
3854 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3855 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
|
3856 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3857 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3858 return shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3859 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3860 |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3861 #ifndef PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3862 // 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
|
3863 static bool use_vm_log() { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3864 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3865 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3866 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3867 PrintAssembly || TraceDeoptimization || TraceDependencies || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3868 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3869 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3870 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3871 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3872 #ifdef COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3873 if (PrintC1Statistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3874 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3875 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3876 #endif // COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3877 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3878 #ifdef COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3879 if (PrintOptoAssembly || PrintOptoStatistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3880 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3881 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3882 #endif // COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3883 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3884 return false; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3885 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3886 #endif // PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3887 |
0 | 3888 // Parse entry point called from JNI_CreateJavaVM |
3889 | |
3890 jint Arguments::parse(const JavaVMInitArgs* args) { | |
3891 | |
3892 // Remaining part of option string | |
3893 const char* tail; | |
3894 | |
3895 // 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
|
3896 const char* hotspotrc = ".hotspotrc"; |
0 | 3897 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
|
3898 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
|
3899 |
20568
46140919bf90
8047934: Adding new API for unlocking diagnostic argument.
jiangli
parents:
20548
diff
changeset
|
3900 ArgumentsExt::process_options(args); |
46140919bf90
8047934: Adding new API for unlocking diagnostic argument.
jiangli
parents:
20548
diff
changeset
|
3901 |
564 | 3902 const char* flags_file; |
0 | 3903 int index; |
3904 for (index = 0; index < args->nOptions; index++) { | |
3905 const JavaVMOption *option = args->options + index; | |
3906 if (match_option(option, "-XX:Flags=", &tail)) { | |
564 | 3907 flags_file = tail; |
0 | 3908 settings_file_specified = true; |
3909 } | |
3910 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
3911 PrintVMOptions = true; | |
3912 } | |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3913 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
|
3914 PrintVMOptions = false; |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3915 } |
564 | 3916 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3917 IgnoreUnrecognizedVMOptions = true; | |
3918 } | |
3919 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
3920 IgnoreUnrecognizedVMOptions = false; | |
3921 } | |
19181
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3922 if (match_option(option, "-XX:+UnlockDiagnosticVMOptions", &tail)) { |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3923 UnlockDiagnosticVMOptions = true; |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3924 } |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3925 if (match_option(option, "-XX:-UnlockDiagnosticVMOptions", &tail)) { |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3926 UnlockDiagnosticVMOptions = false; |
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3927 } |
1150 | 3928 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
4773 | 3929 CommandLineFlags::printFlags(tty, false); |
1150 | 3930 vm_exit(0); |
3931 } | |
20360 | 3932 #if INCLUDE_NMT |
6197 | 3933 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
20360 | 3934 // The launcher did not setup nmt environment variable properly. |
20395
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3935 if (!MemTracker::check_launcher_nmt_support(tail)) { |
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3936 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
|
3937 } |
20360 | 3938 |
3939 // Verify if nmt option is valid. | |
3940 if (MemTracker::verify_nmt_option()) { | |
3941 // Late initialization, still in single-threaded mode. | |
3942 if (MemTracker::tracking_level() >= NMT_summary) { | |
3943 MemTracker::init(); | |
3944 } | |
3945 } else { | |
3946 vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL); | |
3947 } | |
3948 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3949 #endif |
6197 | 3950 |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3951 |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3952 #ifndef PRODUCT |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3953 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
4773 | 3954 CommandLineFlags::printFlags(tty, true); |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3955 vm_exit(0); |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3956 } |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3957 #endif |
564 | 3958 } |
3959 | |
3960 if (IgnoreUnrecognizedVMOptions) { | |
3961 // uncast const to modify the flag args->ignoreUnrecognized | |
3962 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
3963 } | |
3964 | |
3965 // Parse specified settings file | |
3966 if (settings_file_specified) { | |
3967 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
3968 return JNI_EINVAL; | |
3969 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3970 } else { |
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3971 #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
|
3972 // Parse default .hotspotrc settings file |
0 | 3973 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3974 return JNI_EINVAL; | |
3975 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3976 #else |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3977 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
|
3978 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
|
3979 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
|
3980 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3981 #endif |
0 | 3982 } |
3983 | |
3984 if (PrintVMOptions) { | |
3985 for (index = 0; index < args->nOptions; index++) { | |
3986 const JavaVMOption *option = args->options + index; | |
3987 if (match_option(option, "-XX:", &tail)) { | |
3988 logOption(tail); | |
3989 } | |
3990 } | |
3991 } | |
3992 | |
3993 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
3994 jint result = parse_vm_init_args(args); | |
3995 if (result != JNI_OK) { | |
3996 return result; | |
3997 } | |
3998 | |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3999 // 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
|
4000 SharedArchivePath = get_shared_archive_path(); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4001 if (SharedArchivePath == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4002 return JNI_ENOMEM; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4003 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4004 |
18096 | 4005 // Set up VerifySharedSpaces |
4006 if (FLAG_IS_DEFAULT(VerifySharedSpaces) && SharedArchiveFile != NULL) { | |
4007 VerifySharedSpaces = true; | |
4008 } | |
4009 | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4010 // 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
|
4011 // 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
|
4012 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
|
4013 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
|
4014 "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
|
4015 hotspotrc, hotspotrc); |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4016 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4017 |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
4018 #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
|
4019 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
4020 #endif |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
4021 |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4022 #if INCLUDE_ALL_GCS |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4023 #if (defined JAVASE_EMBEDDED || defined ARM) |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4024 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4025 #endif |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4026 #endif |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4027 |
0 | 4028 #ifndef PRODUCT |
4029 if (TraceBytecodesAt != 0) { | |
4030 TraceBytecodes = true; | |
4031 } | |
4032 if (CountCompiledCalls) { | |
4033 if (UseCounterDecay) { | |
4034 warning("UseCounterDecay disabled because CountCalls is set"); | |
4035 UseCounterDecay = false; | |
4036 } | |
4037 } | |
4038 #endif // PRODUCT | |
4039 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4040 // 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
|
4041 if (!JDK_Version::is_gte_jdk17x_version()) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4042 if (EnableInvokeDynamic) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4043 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4044 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
|
4045 } |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4046 EnableInvokeDynamic = false; |
710 | 4047 } |
4048 } | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4049 |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4050 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4051 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4052 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
|
4053 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4054 ScavengeRootsInCode = 1; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4055 } |
710 | 4056 |
0 | 4057 if (PrintGCDetails) { |
4058 // Turn on -verbose:gc options as well | |
4059 PrintGC = true; | |
4060 } | |
4061 | |
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4062 if (!JDK_Version::is_gte_jdk18x_version()) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4063 // 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
|
4064 // true by default in JDK8 and above. |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4065 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4066 FLAG_SET_DEFAULT(PrintGCCause, false); |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4067 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4068 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4069 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
4070 // 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
|
4071 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
|
4072 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
4073 #if !INCLUDE_ALL_GCS |
1064 | 4074 force_serial_gc(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
4075 #endif // INCLUDE_ALL_GCS |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4076 #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
|
4077 if (DumpSharedSpaces || RequireSharedSpaces) { |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4078 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
|
4079 "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
|
4080 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4081 } |
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
4082 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
|
4083 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
|
4084 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
|
4085 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
|
4086 } |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
4087 no_shared_spaces("CDS Disabled"); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4088 #endif // INCLUDE_CDS |
0 | 4089 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4090 return JNI_OK; |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4091 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4092 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4093 jint Arguments::apply_ergo() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4094 |
0 | 4095 // Set flags based on ergonomics. |
4096 set_ergonomics_flags(); | |
4097 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
4098 set_shared_spaces_flags(); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
4099 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4100 // Check the GC selections again. |
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
4101 if (!ArgumentsExt::check_gc_consistency_ergo()) { |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4102 return JNI_EINVAL; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4103 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4104 |
1783 | 4105 if (TieredCompilation) { |
4106 set_tiered_flags(); | |
4107 } else { | |
4108 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
4109 if (CompilationPolicyChoice >= 2) { | |
4110 vm_exit_during_initialization( | |
4111 "Incompatible compilation policy selected", NULL); | |
4112 } | |
4113 } | |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4114 // 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
|
4115 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4116 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4117 } |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4118 |
1783 | 4119 |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
4120 // Set heap size based on available physical memory |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
4121 set_heap_size(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4122 |
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
4123 ArgumentsExt::set_gc_specific_flags(); |
0 | 4124 |
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4125 // Initialize Metaspace flags and alignments. |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4126 Metaspace::ergo_initialize(); |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4127 |
0 | 4128 // Set bytecode rewriting flags |
4129 set_bytecode_flags(); | |
4130 | |
4131 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
4132 set_aggressive_opts_flags(); | |
4133 | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4134 // Turn off biased locking for locking debug mode flags, |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4135 // 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
|
4136 // biased locking. |
2331 | 4137 if (UseHeavyMonitors |
4138 #ifdef COMPILER1 | |
4139 || !UseFastLocking | |
4140 #endif // COMPILER1 | |
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
4141 #ifdef GRAAL |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
4142 || !GraalUseFastLocking |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
4143 #endif // GRAAL |
2331 | 4144 ) { |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4145 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4146 // 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
|
4147 // can't enable biased locking here |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4148 warning("Biased Locking is not supported with locking debug flags" |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4149 "; ignoring UseBiasedLocking flag." ); |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4150 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4151 UseBiasedLocking = false; |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4152 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4153 |
14420
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
4154 #ifdef ZERO |
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
4155 // Clear flags not supported on zero. |
1131 | 4156 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
0 | 4157 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
1131 | 4158 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4159 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
1131 | 4160 #endif // CC_INTERP |
4161 | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4162 #ifdef COMPILER2 |
4777 | 4163 if (!EliminateLocks) { |
4164 EliminateNestedLocks = false; | |
4165 } | |
7473 | 4166 if (!Inline) { |
4167 IncrementalInline = false; | |
4168 } | |
4169 #ifndef PRODUCT | |
4170 if (!IncrementalInline) { | |
4171 AlwaysIncrementalInline = false; | |
4172 } | |
4173 #endif | |
4174 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
4175 // incremental inlining: bump MaxNodeLimit | |
4176 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
4177 } | |
12966 | 4178 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
4179 // nothing to use the profiling, turn if off | |
4180 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
4181 } | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4182 #endif |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4183 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4184 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4185 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
|
4186 DebugNonSafepoints = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4187 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4188 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4189 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4190 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
|
4191 } |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4192 |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4193 #ifndef PRODUCT |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4194 if (CompileTheWorld) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4195 // 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
|
4196 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4197 NmethodSweepFraction = 1; |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4198 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4199 } |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4200 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4201 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4202 if (use_vm_log()) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4203 LogVMOutput = true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4204 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4205 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4206 #endif // PRODUCT |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4207 |
0 | 4208 if (PrintCommandLineFlags) { |
4773 | 4209 CommandLineFlags::printSetFlags(tty); |
0 | 4210 } |
4211 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4212 // Apply CPU specific policy for the BiasedLocking |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4213 if (UseBiasedLocking) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4214 if (!VM_Version::use_biased_locking() && |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4215 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4216 UseBiasedLocking = false; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4217 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4218 } |
17780 | 4219 #ifdef COMPILER2 |
4220 if (!UseBiasedLocking || EmitSync != 0) { | |
4221 UseOptoBiasInlining = false; | |
4222 } | |
4223 #endif | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4224 |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4225 // 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
|
4226 // 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
|
4227 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
|
4228 bool set = false; |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4229 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4230 if (!set) { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4231 FLAG_SET_DEFAULT(PauseAtExit, true); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4232 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4233 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4234 |
0 | 4235 return JNI_OK; |
4236 } | |
4237 | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4238 jint Arguments::adjust_after_os() { |
20241 | 4239 if (UseNUMA) { |
4240 if (UseParallelGC || UseParallelOldGC) { | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4241 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
20241 | 4242 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4243 } |
20241 | 4244 } |
4245 // UseNUMAInterleaving is set to ON for all collectors and | |
4246 // platforms when UseNUMA is set to ON. NUMA-aware collectors | |
4247 // such as the parallel collector for Linux and Solaris will | |
4248 // interleave old gen and survivor spaces on top of NUMA | |
4249 // allocation policy for the eden space. | |
4250 // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on | |
4251 // all platforms and ParallelGC on Windows will interleave all | |
4252 // of the heap spaces across NUMA nodes. | |
4253 if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) { | |
4254 FLAG_SET_ERGO(bool, UseNUMAInterleaving, true); | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4255 } |
53715fb1597d
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4256 } |
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4257 return JNI_OK; |
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|
4258 } |
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4259 |
0 | 4260 int Arguments::PropertyList_count(SystemProperty* pl) { |
4261 int count = 0; | |
4262 while(pl != NULL) { | |
4263 count++; | |
4264 pl = pl->next(); | |
4265 } | |
4266 return count; | |
4267 } | |
4268 | |
4269 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
4270 assert(key != NULL, "just checking"); | |
4271 SystemProperty* prop; | |
4272 for (prop = pl; prop != NULL; prop = prop->next()) { | |
4273 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
4274 } | |
4275 return NULL; | |
4276 } | |
4277 | |
4278 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
4279 int count = 0; | |
4280 const char* ret_val = NULL; | |
4281 | |
4282 while(pl != NULL) { | |
4283 if(count >= index) { | |
4284 ret_val = pl->key(); | |
4285 break; | |
4286 } | |
4287 count++; | |
4288 pl = pl->next(); | |
4289 } | |
4290 | |
4291 return ret_val; | |
4292 } | |
4293 | |
4294 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
4295 int count = 0; | |
4296 char* ret_val = NULL; | |
4297 | |
4298 while(pl != NULL) { | |
4299 if(count >= index) { | |
4300 ret_val = pl->value(); | |
4301 break; | |
4302 } | |
4303 count++; | |
4304 pl = pl->next(); | |
4305 } | |
4306 | |
4307 return ret_val; | |
4308 } | |
4309 | |
4310 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
4311 SystemProperty* p = *plist; | |
4312 if (p == NULL) { | |
4313 *plist = new_p; | |
4314 } else { | |
4315 while (p->next() != NULL) { | |
4316 p = p->next(); | |
4317 } | |
4318 p->set_next(new_p); | |
4319 } | |
4320 } | |
4321 | |
4322 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
4323 if (plist == NULL) | |
4324 return; | |
4325 | |
4326 SystemProperty* new_p = new SystemProperty(k, v, true); | |
4327 PropertyList_add(plist, new_p); | |
4328 } | |
4329 | |
4330 // This add maintains unique property key in the list. | |
691 | 4331 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
0 | 4332 if (plist == NULL) |
4333 return; | |
4334 | |
4335 // If property key exist then update with new value. | |
4336 SystemProperty* prop; | |
4337 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
4338 if (strcmp(k, prop->key()) == 0) { | |
691 | 4339 if (append) { |
4340 prop->append_value(v); | |
4341 } else { | |
4342 prop->set_value(v); | |
4343 } | |
0 | 4344 return; |
4345 } | |
4346 } | |
4347 | |
4348 PropertyList_add(plist, k, v); | |
4349 } | |
4350 | |
4351 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
4352 // Returns true if all of the source pointed by src has been copied over to | |
4353 // the destination buffer pointed by buf. Otherwise, returns false. | |
4354 // Notes: | |
4355 // 1. If the length (buflen) of the destination buffer excluding the | |
4356 // NULL terminator character is not long enough for holding the expanded | |
4357 // pid characters, it also returns false instead of returning the partially | |
4358 // expanded one. | |
4359 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
4360 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
4361 char* buf, size_t buflen) { | |
4362 const char* p = src; | |
4363 char* b = buf; | |
4364 const char* src_end = &src[srclen]; | |
4365 char* buf_end = &buf[buflen - 1]; | |
4366 | |
4367 while (p < src_end && b < buf_end) { | |
4368 if (*p == '%') { | |
4369 switch (*(++p)) { | |
4370 case '%': // "%%" ==> "%" | |
4371 *b++ = *p++; | |
4372 break; | |
4373 case 'p': { // "%p" ==> current process id | |
4374 // buf_end points to the character before the last character so | |
4375 // that we could write '\0' to the end of the buffer. | |
4376 size_t buf_sz = buf_end - b + 1; | |
4377 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
4378 | |
4379 // if jio_snprintf fails or the buffer is not long enough to hold | |
4380 // the expanded pid, returns false. | |
4381 if (ret < 0 || ret >= (int)buf_sz) { | |
4382 return false; | |
4383 } else { | |
4384 b += ret; | |
4385 assert(*b == '\0', "fail in copy_expand_pid"); | |
4386 if (p == src_end && b == buf_end + 1) { | |
4387 // reach the end of the buffer. | |
4388 return true; | |
4389 } | |
4390 } | |
4391 p++; | |
4392 break; | |
4393 } | |
4394 default : | |
4395 *b++ = '%'; | |
4396 } | |
4397 } else { | |
4398 *b++ = *p++; | |
4399 } | |
4400 } | |
4401 *b = '\0'; | |
4402 return (p == src_end); // return false if not all of the source was copied | |
4403 } |