Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/arguments.hpp @ 20596:4356234e712a
8041992: Fix of JDK-8034775 neglects to account for non-JIT VMs
Summary: Allow 0 compiler threads if no JIT is used.
Reviewed-by: kvn, dholmes
Contributed-by: Severin Gehwolf <sgehwolf@redhat.com>
author | anoll |
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date | Fri, 02 May 2014 06:24:39 +0200 |
parents | 0d78074d2444 |
children | 327c00d0f091 |
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 #ifndef SHARE_VM_RUNTIME_ARGUMENTS_HPP |
26 #define SHARE_VM_RUNTIME_ARGUMENTS_HPP | |
27 | |
28 #include "runtime/java.hpp" | |
29 #include "runtime/perfData.hpp" | |
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30 #include "utilities/debug.hpp" |
1972 | 31 #include "utilities/top.hpp" |
32 | |
0 | 33 // Arguments parses the command line and recognizes options |
34 | |
35 // Invocation API hook typedefs (these should really be defined in jni.hpp) | |
36 extern "C" { | |
37 typedef void (JNICALL *abort_hook_t)(void); | |
38 typedef void (JNICALL *exit_hook_t)(jint code); | |
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39 typedef jint (JNICALL *vfprintf_hook_t)(FILE *fp, const char *format, va_list args) ATTRIBUTE_PRINTF(2, 0); |
0 | 40 } |
41 | |
42 // Forward declarations | |
43 | |
44 class SysClassPath; | |
45 | |
46 // Element describing System and User (-Dkey=value flags) defined property. | |
47 | |
6197 | 48 class SystemProperty: public CHeapObj<mtInternal> { |
0 | 49 private: |
50 char* _key; | |
51 char* _value; | |
52 SystemProperty* _next; | |
53 bool _writeable; | |
54 bool writeable() { return _writeable; } | |
55 | |
56 public: | |
57 // Accessors | |
58 const char* key() const { return _key; } | |
59 char* value() const { return _value; } | |
60 SystemProperty* next() const { return _next; } | |
61 void set_next(SystemProperty* next) { _next = next; } | |
62 bool set_value(char *value) { | |
63 if (writeable()) { | |
64 if (_value != NULL) { | |
65 FreeHeap(_value); | |
66 } | |
6197 | 67 _value = AllocateHeap(strlen(value)+1, mtInternal); |
0 | 68 if (_value != NULL) { |
69 strcpy(_value, value); | |
70 } | |
71 return true; | |
72 } | |
73 return false; | |
74 } | |
75 | |
76 void append_value(const char *value) { | |
77 char *sp; | |
78 size_t len = 0; | |
79 if (value != NULL) { | |
80 len = strlen(value); | |
81 if (_value != NULL) { | |
82 len += strlen(_value); | |
83 } | |
6197 | 84 sp = AllocateHeap(len+2, mtInternal); |
0 | 85 if (sp != NULL) { |
86 if (_value != NULL) { | |
87 strcpy(sp, _value); | |
88 strcat(sp, os::path_separator()); | |
89 strcat(sp, value); | |
90 FreeHeap(_value); | |
91 } else { | |
92 strcpy(sp, value); | |
93 } | |
94 _value = sp; | |
95 } | |
96 } | |
97 } | |
98 | |
99 // Constructor | |
100 SystemProperty(const char* key, const char* value, bool writeable) { | |
101 if (key == NULL) { | |
102 _key = NULL; | |
103 } else { | |
6197 | 104 _key = AllocateHeap(strlen(key)+1, mtInternal); |
0 | 105 strcpy(_key, key); |
106 } | |
107 if (value == NULL) { | |
108 _value = NULL; | |
109 } else { | |
6197 | 110 _value = AllocateHeap(strlen(value)+1, mtInternal); |
0 | 111 strcpy(_value, value); |
112 } | |
113 _next = NULL; | |
114 _writeable = writeable; | |
115 } | |
116 }; | |
117 | |
118 | |
119 // For use by -agentlib, -agentpath and -Xrun | |
6197 | 120 class AgentLibrary : public CHeapObj<mtInternal> { |
0 | 121 friend class AgentLibraryList; |
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122 public: |
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123 // Is this library valid or not. Don't rely on os_lib == NULL as statically |
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124 // linked lib could have handle of RTLD_DEFAULT which == 0 on some platforms |
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125 enum AgentState { |
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126 agent_invalid = 0, |
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127 agent_valid = 1 |
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128 }; |
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129 |
0 | 130 private: |
131 char* _name; | |
132 char* _options; | |
133 void* _os_lib; | |
134 bool _is_absolute_path; | |
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135 bool _is_static_lib; |
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136 AgentState _state; |
0 | 137 AgentLibrary* _next; |
138 | |
139 public: | |
140 // Accessors | |
141 const char* name() const { return _name; } | |
142 char* options() const { return _options; } | |
143 bool is_absolute_path() const { return _is_absolute_path; } | |
144 void* os_lib() const { return _os_lib; } | |
145 void set_os_lib(void* os_lib) { _os_lib = os_lib; } | |
146 AgentLibrary* next() const { return _next; } | |
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147 bool is_static_lib() const { return _is_static_lib; } |
12220 | 148 void set_static_lib(bool is_static_lib) { _is_static_lib = is_static_lib; } |
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149 bool valid() { return (_state == agent_valid); } |
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150 void set_valid() { _state = agent_valid; } |
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151 void set_invalid() { _state = agent_invalid; } |
0 | 152 |
153 // Constructor | |
154 AgentLibrary(const char* name, const char* options, bool is_absolute_path, void* os_lib) { | |
6197 | 155 _name = AllocateHeap(strlen(name)+1, mtInternal); |
0 | 156 strcpy(_name, name); |
157 if (options == NULL) { | |
158 _options = NULL; | |
159 } else { | |
6197 | 160 _options = AllocateHeap(strlen(options)+1, mtInternal); |
0 | 161 strcpy(_options, options); |
162 } | |
163 _is_absolute_path = is_absolute_path; | |
164 _os_lib = os_lib; | |
165 _next = NULL; | |
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166 _state = agent_invalid; |
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167 _is_static_lib = false; |
0 | 168 } |
169 }; | |
170 | |
171 // maintain an order of entry list of AgentLibrary | |
172 class AgentLibraryList VALUE_OBJ_CLASS_SPEC { | |
173 private: | |
174 AgentLibrary* _first; | |
175 AgentLibrary* _last; | |
176 public: | |
177 bool is_empty() const { return _first == NULL; } | |
178 AgentLibrary* first() const { return _first; } | |
179 | |
180 // add to the end of the list | |
181 void add(AgentLibrary* lib) { | |
182 if (is_empty()) { | |
183 _first = _last = lib; | |
184 } else { | |
185 _last->_next = lib; | |
186 _last = lib; | |
187 } | |
188 lib->_next = NULL; | |
189 } | |
190 | |
191 // search for and remove a library known to be in the list | |
192 void remove(AgentLibrary* lib) { | |
193 AgentLibrary* curr; | |
194 AgentLibrary* prev = NULL; | |
195 for (curr = first(); curr != NULL; prev = curr, curr = curr->next()) { | |
196 if (curr == lib) { | |
197 break; | |
198 } | |
199 } | |
200 assert(curr != NULL, "always should be found"); | |
201 | |
202 if (curr != NULL) { | |
203 // it was found, by-pass this library | |
204 if (prev == NULL) { | |
205 _first = curr->_next; | |
206 } else { | |
207 prev->_next = curr->_next; | |
208 } | |
209 if (curr == _last) { | |
210 _last = prev; | |
211 } | |
212 curr->_next = NULL; | |
213 } | |
214 } | |
215 | |
216 AgentLibraryList() { | |
217 _first = NULL; | |
218 _last = NULL; | |
219 } | |
220 }; | |
221 | |
222 | |
223 class Arguments : AllStatic { | |
224 friend class VMStructs; | |
225 friend class JvmtiExport; | |
226 public: | |
227 // Operation modi | |
228 enum Mode { | |
229 _int, // corresponds to -Xint | |
230 _mixed, // corresponds to -Xmixed | |
231 _comp // corresponds to -Xcomp | |
232 }; | |
233 | |
234 enum ArgsRange { | |
235 arg_unreadable = -3, | |
236 arg_too_small = -2, | |
237 arg_too_big = -1, | |
238 arg_in_range = 0 | |
239 }; | |
240 | |
241 private: | |
242 | |
243 // an array containing all flags specified in the .hotspotrc file | |
244 static char** _jvm_flags_array; | |
245 static int _num_jvm_flags; | |
246 // an array containing all jvm arguments specified in the command line | |
247 static char** _jvm_args_array; | |
248 static int _num_jvm_args; | |
249 // string containing all java command (class/jarfile name and app args) | |
250 static char* _java_command; | |
251 | |
252 // Property list | |
253 static SystemProperty* _system_properties; | |
254 | |
255 // Quick accessor to System properties in the list: | |
256 static SystemProperty *_java_ext_dirs; | |
257 static SystemProperty *_java_endorsed_dirs; | |
258 static SystemProperty *_sun_boot_library_path; | |
259 static SystemProperty *_java_library_path; | |
260 static SystemProperty *_java_home; | |
261 static SystemProperty *_java_class_path; | |
262 static SystemProperty *_sun_boot_class_path; | |
263 | |
264 // Meta-index for knowing what packages are in the boot class path | |
265 static char* _meta_index_path; | |
266 static char* _meta_index_dir; | |
267 | |
268 // java.vendor.url.bug, bug reporting URL for fatal errors. | |
269 static const char* _java_vendor_url_bug; | |
270 | |
271 // sun.java.launcher, private property to provide information about | |
272 // java/gamma launcher | |
273 static const char* _sun_java_launcher; | |
274 | |
275 // sun.java.launcher.pid, private property | |
276 static int _sun_java_launcher_pid; | |
277 | |
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278 // was this VM created by the gamma launcher |
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279 static bool _created_by_gamma_launcher; |
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280 |
0 | 281 // Option flags |
282 static bool _has_profile; | |
283 static const char* _gc_log_filename; | |
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284 // Value of the conservative maximum heap alignment needed |
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285 static size_t _conservative_max_heap_alignment; |
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286 |
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287 static uintx _min_heap_size; |
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288 |
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289 // Used to store original flag values |
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290 static uintx _min_heap_free_ratio; |
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291 static uintx _max_heap_free_ratio; |
0 | 292 |
293 // -Xrun arguments | |
294 static AgentLibraryList _libraryList; | |
295 static void add_init_library(const char* name, char* options) | |
296 { _libraryList.add(new AgentLibrary(name, options, false, NULL)); } | |
297 | |
298 // -agentlib and -agentpath arguments | |
299 static AgentLibraryList _agentList; | |
300 static void add_init_agent(const char* name, char* options, bool absolute_path) | |
301 { _agentList.add(new AgentLibrary(name, options, absolute_path, NULL)); } | |
302 | |
303 // Late-binding agents not started via arguments | |
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304 static void add_loaded_agent(AgentLibrary *agentLib) |
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305 { _agentList.add(agentLib); } |
0 | 306 static void add_loaded_agent(const char* name, char* options, bool absolute_path, void* os_lib) |
307 { _agentList.add(new AgentLibrary(name, options, absolute_path, os_lib)); } | |
308 | |
309 // Operation modi | |
310 static Mode _mode; | |
311 static void set_mode_flags(Mode mode); | |
312 static bool _java_compiler; | |
313 static void set_java_compiler(bool arg) { _java_compiler = arg; } | |
314 static bool java_compiler() { return _java_compiler; } | |
315 | |
316 // -Xdebug flag | |
317 static bool _xdebug_mode; | |
318 static void set_xdebug_mode(bool arg) { _xdebug_mode = arg; } | |
319 static bool xdebug_mode() { return _xdebug_mode; } | |
320 | |
321 // Used to save default settings | |
322 static bool _AlwaysCompileLoopMethods; | |
323 static bool _UseOnStackReplacement; | |
324 static bool _BackgroundCompilation; | |
325 static bool _ClipInlining; | |
326 static bool _CIDynamicCompilePriority; | |
327 | |
1783 | 328 // Tiered |
329 static void set_tiered_flags(); | |
0 | 330 // CMS/ParNew garbage collectors |
331 static void set_parnew_gc_flags(); | |
332 static void set_cms_and_parnew_gc_flags(); | |
342
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333 // UseParallel[Old]GC |
0 | 334 static void set_parallel_gc_flags(); |
342
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335 // Garbage-First (UseG1GC) |
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336 static void set_g1_gc_flags(); |
0 | 337 // GC ergonomics |
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338 static void set_conservative_max_heap_alignment(); |
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339 static void set_use_compressed_oops(); |
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340 static void set_use_compressed_klass_ptrs(); |
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341 static void select_gc(); |
0 | 342 static void set_ergonomics_flags(); |
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343 static void set_shared_spaces_flags(); |
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344 static void set_gc_specific_flags(); |
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345 // limits the given memory size by the maximum amount of memory this process is |
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346 // currently allowed to allocate or reserve. |
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347 static julong limit_by_allocatable_memory(julong size); |
1064 | 348 // Setup heap size |
349 static void set_heap_size(); | |
0 | 350 // Based on automatic selection criteria, should the |
351 // low pause collector be used. | |
352 static bool should_auto_select_low_pause_collector(); | |
353 | |
354 // Bytecode rewriting | |
355 static void set_bytecode_flags(); | |
356 | |
357 // Invocation API hooks | |
358 static abort_hook_t _abort_hook; | |
359 static exit_hook_t _exit_hook; | |
360 static vfprintf_hook_t _vfprintf_hook; | |
361 | |
362 // System properties | |
363 static bool add_property(const char* prop); | |
364 | |
365 // Aggressive optimization flags. | |
366 static void set_aggressive_opts_flags(); | |
367 | |
368 // Argument parsing | |
369 static void do_pd_flag_adjustments(); | |
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370 static bool parse_argument(const char* arg, Flag::Flags origin); |
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371 static bool process_argument(const char* arg, jboolean ignore_unrecognized, Flag::Flags origin); |
0 | 372 static void process_java_launcher_argument(const char*, void*); |
373 static void process_java_compiler_argument(char* arg); | |
374 static jint parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p); | |
375 static jint parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p); | |
376 static jint parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p); | |
377 static jint parse_vm_init_args(const JavaVMInitArgs* args); | |
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378 static jint parse_each_vm_init_arg(const JavaVMInitArgs* args, SysClassPath* scp_p, bool* scp_assembly_required_p, Flag::Flags origin); |
0 | 379 static jint finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required); |
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380 static bool is_bad_option(const JavaVMOption* option, jboolean ignore, const char* option_type); |
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381 |
0 | 382 static bool is_bad_option(const JavaVMOption* option, jboolean ignore) { |
383 return is_bad_option(option, ignore, NULL); | |
384 } | |
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385 |
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386 static bool is_percentage(uintx val) { |
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387 return val <= 100; |
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388 } |
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389 |
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390 static bool verify_interval(uintx val, uintx min, |
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391 uintx max, const char* name); |
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392 static bool verify_min_value(intx val, intx min, const char* name); |
0 | 393 static bool verify_percentage(uintx value, const char* name); |
394 static void describe_range_error(ArgsRange errcode); | |
489
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395 static ArgsRange check_memory_size(julong size, julong min_size); |
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396 static ArgsRange parse_memory_size(const char* s, julong* long_arg, |
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397 julong min_size); |
1284 | 398 // Parse a string for a unsigned integer. Returns true if value |
399 // is an unsigned integer greater than or equal to the minimum | |
400 // parameter passed and returns the value in uintx_arg. Returns | |
401 // false otherwise, with uintx_arg undefined. | |
402 static bool parse_uintx(const char* value, uintx* uintx_arg, | |
403 uintx min_size); | |
0 | 404 |
405 // methods to build strings from individual args | |
406 static void build_jvm_args(const char* arg); | |
407 static void build_jvm_flags(const char* arg); | |
408 static void add_string(char*** bldarray, int* count, const char* arg); | |
409 static const char* build_resource_string(char** args, int count); | |
410 | |
411 static bool methodExists( | |
412 char* className, char* methodName, | |
413 int classesNum, char** classes, bool* allMethods, | |
414 int methodsNum, char** methods, bool* allClasses | |
415 ); | |
416 | |
417 static void parseOnlyLine( | |
418 const char* line, | |
419 short* classesNum, short* classesMax, char*** classes, bool** allMethods, | |
420 short* methodsNum, short* methodsMax, char*** methods, bool** allClasses | |
421 ); | |
422 | |
242 | 423 // Returns true if the string s is in the list of flags that have recently |
424 // been made obsolete. If we detect one of these flags on the command | |
425 // line, instead of failing we print a warning message and ignore the | |
426 // flag. This gives the user a release or so to stop using the flag. | |
427 static bool is_newly_obsolete(const char* s, JDK_Version* buffer); | |
0 | 428 |
429 static short CompileOnlyClassesNum; | |
430 static short CompileOnlyClassesMax; | |
431 static char** CompileOnlyClasses; | |
432 static bool* CompileOnlyAllMethods; | |
433 | |
434 static short CompileOnlyMethodsNum; | |
435 static short CompileOnlyMethodsMax; | |
436 static char** CompileOnlyMethods; | |
437 static bool* CompileOnlyAllClasses; | |
438 | |
439 static short InterpretOnlyClassesNum; | |
440 static short InterpretOnlyClassesMax; | |
441 static char** InterpretOnlyClasses; | |
442 static bool* InterpretOnlyAllMethods; | |
443 | |
444 static bool CheckCompileOnly; | |
445 | |
446 static char* SharedArchivePath; | |
447 | |
448 public: | |
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449 // Parses the arguments, first phase |
0 | 450 static jint parse(const JavaVMInitArgs* args); |
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451 // Apply ergonomics |
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452 static jint apply_ergo(); |
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453 // Adjusts the arguments after the OS have adjusted the arguments |
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454 static jint adjust_after_os(); |
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455 |
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456 static inline bool gc_selected(); // whether a gc has been selected |
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457 static void select_gc_ergonomically(); |
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458 |
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459 // Verifies that the given value will fit as a MinHeapFreeRatio. If not, an error |
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460 // message is returned in the provided buffer. |
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461 static bool verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio); |
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462 |
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463 // Verifies that the given value will fit as a MaxHeapFreeRatio. If not, an error |
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464 // message is returned in the provided buffer. |
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465 static bool verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio); |
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466 |
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467 // Check for consistency in the selection of the garbage collector. |
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468 static bool check_gc_consistency_user(); // Check user-selected gc |
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469 static inline bool check_gc_consistency_ergo(); // Check ergonomic-selected gc |
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470 static void check_deprecated_gcs(); |
8734 | 471 static void check_deprecated_gc_flags(); |
0 | 472 // Check consistecy or otherwise of VM argument settings |
473 static bool check_vm_args_consistency(); | |
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474 // Check stack pages settings |
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475 static bool check_stack_pages(); |
0 | 476 // Used by os_solaris |
477 static bool process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized); | |
478 | |
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479 static size_t conservative_max_heap_alignment() { return _conservative_max_heap_alignment; } |
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480 // Return the maximum size a heap with compressed oops can take |
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481 static size_t max_heap_for_compressed_oops(); |
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482 |
0 | 483 // return a char* array containing all options |
484 static char** jvm_flags_array() { return _jvm_flags_array; } | |
485 static char** jvm_args_array() { return _jvm_args_array; } | |
486 static int num_jvm_flags() { return _num_jvm_flags; } | |
487 static int num_jvm_args() { return _num_jvm_args; } | |
488 // return the arguments passed to the Java application | |
489 static const char* java_command() { return _java_command; } | |
490 | |
491 // print jvm_flags, jvm_args and java_command | |
492 static void print_on(outputStream* st); | |
493 | |
494 // convenient methods to obtain / print jvm_flags and jvm_args | |
495 static const char* jvm_flags() { return build_resource_string(_jvm_flags_array, _num_jvm_flags); } | |
496 static const char* jvm_args() { return build_resource_string(_jvm_args_array, _num_jvm_args); } | |
497 static void print_jvm_flags_on(outputStream* st); | |
498 static void print_jvm_args_on(outputStream* st); | |
499 | |
500 // -Dkey=value flags | |
501 static SystemProperty* system_properties() { return _system_properties; } | |
502 static const char* get_property(const char* key); | |
503 | |
504 // -Djava.vendor.url.bug | |
505 static const char* java_vendor_url_bug() { return _java_vendor_url_bug; } | |
506 | |
507 // -Dsun.java.launcher | |
508 static const char* sun_java_launcher() { return _sun_java_launcher; } | |
509 // Was VM created by a Java launcher? | |
510 static bool created_by_java_launcher(); | |
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511 // Was VM created by the gamma Java launcher? |
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512 static bool created_by_gamma_launcher(); |
0 | 513 // -Dsun.java.launcher.pid |
514 static int sun_java_launcher_pid() { return _sun_java_launcher_pid; } | |
515 | |
516 // -Xloggc:<file>, if not specified will be NULL | |
517 static const char* gc_log_filename() { return _gc_log_filename; } | |
518 | |
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519 // -Xprof |
0 | 520 static bool has_profile() { return _has_profile; } |
521 | |
1064 | 522 // -Xms, -Xmx |
0 | 523 static uintx min_heap_size() { return _min_heap_size; } |
524 static void set_min_heap_size(uintx v) { _min_heap_size = v; } | |
525 | |
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526 // Returns the original values of -XX:MinHeapFreeRatio and -XX:MaxHeapFreeRatio |
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527 static uintx min_heap_free_ratio() { return _min_heap_free_ratio; } |
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528 static uintx max_heap_free_ratio() { return _max_heap_free_ratio; } |
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529 |
0 | 530 // -Xrun |
531 static AgentLibrary* libraries() { return _libraryList.first(); } | |
532 static bool init_libraries_at_startup() { return !_libraryList.is_empty(); } | |
533 static void convert_library_to_agent(AgentLibrary* lib) | |
534 { _libraryList.remove(lib); | |
535 _agentList.add(lib); } | |
536 | |
537 // -agentlib -agentpath | |
538 static AgentLibrary* agents() { return _agentList.first(); } | |
539 static bool init_agents_at_startup() { return !_agentList.is_empty(); } | |
540 | |
541 // abort, exit, vfprintf hooks | |
542 static abort_hook_t abort_hook() { return _abort_hook; } | |
543 static exit_hook_t exit_hook() { return _exit_hook; } | |
544 static vfprintf_hook_t vfprintf_hook() { return _vfprintf_hook; } | |
545 | |
546 static bool GetCheckCompileOnly () { return CheckCompileOnly; } | |
547 | |
548 static const char* GetSharedArchivePath() { return SharedArchivePath; } | |
549 | |
550 static bool CompileMethod(char* className, char* methodName) { | |
551 return | |
552 methodExists( | |
553 className, methodName, | |
554 CompileOnlyClassesNum, CompileOnlyClasses, CompileOnlyAllMethods, | |
555 CompileOnlyMethodsNum, CompileOnlyMethods, CompileOnlyAllClasses | |
556 ); | |
557 } | |
558 | |
559 // Java launcher properties | |
560 static void process_sun_java_launcher_properties(JavaVMInitArgs* args); | |
561 | |
562 // System properties | |
563 static void init_system_properties(); | |
564 | |
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565 // Update/Initialize System properties after JDK version number is known |
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566 static void init_version_specific_system_properties(); |
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567 |
691 | 568 // Property List manipulation |
0 | 569 static void PropertyList_add(SystemProperty** plist, SystemProperty *element); |
570 static void PropertyList_add(SystemProperty** plist, const char* k, char* v); | |
691 | 571 static void PropertyList_unique_add(SystemProperty** plist, const char* k, char* v) { |
572 PropertyList_unique_add(plist, k, v, false); | |
573 } | |
574 static void PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append); | |
0 | 575 static const char* PropertyList_get_value(SystemProperty* plist, const char* key); |
576 static int PropertyList_count(SystemProperty* pl); | |
577 static const char* PropertyList_get_key_at(SystemProperty* pl,int index); | |
578 static char* PropertyList_get_value_at(SystemProperty* pl,int index); | |
579 | |
580 // Miscellaneous System property value getter and setters. | |
581 static void set_dll_dir(char *value) { _sun_boot_library_path->set_value(value); } | |
582 static void set_java_home(char *value) { _java_home->set_value(value); } | |
583 static void set_library_path(char *value) { _java_library_path->set_value(value); } | |
584 static void set_ext_dirs(char *value) { _java_ext_dirs->set_value(value); } | |
585 static void set_endorsed_dirs(char *value) { _java_endorsed_dirs->set_value(value); } | |
586 static void set_sysclasspath(char *value) { _sun_boot_class_path->set_value(value); } | |
587 static void append_sysclasspath(const char *value) { _sun_boot_class_path->append_value(value); } | |
588 static void set_meta_index_path(char* meta_index_path, char* meta_index_dir) { | |
589 _meta_index_path = meta_index_path; | |
590 _meta_index_dir = meta_index_dir; | |
591 } | |
592 | |
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593 static char* get_java_home() { return _java_home->value(); } |
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594 static char* get_dll_dir() { return _sun_boot_library_path->value(); } |
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595 static char* get_endorsed_dir() { return _java_endorsed_dirs->value(); } |
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596 static char* get_sysclasspath() { return _sun_boot_class_path->value(); } |
0 | 597 static char* get_meta_index_path() { return _meta_index_path; } |
598 static char* get_meta_index_dir() { return _meta_index_dir; } | |
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599 static char* get_ext_dirs() { return _java_ext_dirs->value(); } |
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600 static char* get_appclasspath() { return _java_class_path->value(); } |
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601 static void fix_appclasspath(); |
0 | 602 |
603 // Operation modi | |
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604 static Mode mode() { return _mode; } |
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605 static bool is_interpreter_only() { return mode() == _int; } |
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606 |
0 | 607 |
608 // Utility: copies src into buf, replacing "%%" with "%" and "%p" with pid. | |
609 static bool copy_expand_pid(const char* src, size_t srclen, char* buf, size_t buflen); | |
610 }; | |
1972 | 611 |
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612 bool Arguments::gc_selected() { |
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613 return UseConcMarkSweepGC || UseG1GC || UseParallelGC || UseParallelOldGC || |
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614 UseParNewGC || UseSerialGC; |
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615 } |
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616 |
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617 bool Arguments::check_gc_consistency_ergo() { |
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618 return check_gc_consistency_user(); |
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619 } |
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620 |
1972 | 621 #endif // SHARE_VM_RUNTIME_ARGUMENTS_HPP |