author | pliden |
Fri, 12 Jan 2018 16:19:56 +0100 | |
changeset 48783 | bade224cc81e |
parent 48474 | 6e69aea2aee7 |
child 49339 | e651c3ea6ea8 |
child 56276 | ee5e58456be5 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#ifndef SHARE_VM_RUNTIME_ARGUMENTS_HPP |
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#define SHARE_VM_RUNTIME_ARGUMENTS_HPP |
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#include "logging/logLevel.hpp" |
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#include "logging/logTag.hpp" |
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#include "memory/allocation.hpp" |
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#include "runtime/java.hpp" |
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#include "runtime/os.hpp" |
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#include "runtime/perfData.hpp" |
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#include "utilities/debug.hpp" |
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// Arguments parses the command line and recognizes options |
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// Invocation API hook typedefs (these should really be defined in jni.hpp) |
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extern "C" { |
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typedef void (JNICALL *abort_hook_t)(void); |
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typedef void (JNICALL *exit_hook_t)(jint code); |
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typedef jint (JNICALL *vfprintf_hook_t)(FILE *fp, const char *format, va_list args) ATTRIBUTE_PRINTF(2, 0); |
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} |
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// Obsolete or deprecated -XX flag. |
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struct SpecialFlag { |
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const char* name; |
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JDK_Version deprecated_in; // When the deprecation warning started (or "undefined"). |
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JDK_Version obsolete_in; // When the obsolete warning started (or "undefined"). |
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JDK_Version expired_in; // When the option expires (or "undefined"). |
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}; |
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// PathString is used as: |
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// - the underlying value for a SystemProperty |
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// - the path portion of an --patch-module module/path pair |
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// - the string that represents the system boot class path, Arguments::_system_boot_class_path. |
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class PathString : public CHeapObj<mtArguments> { |
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protected: |
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char* _value; |
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public: |
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char* value() const { return _value; } |
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bool set_value(const char *value); |
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void append_value(const char *value); |
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PathString(const char* value); |
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~PathString(); |
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}; |
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// ModulePatchPath records the module/path pair as specified to --patch-module. |
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class ModulePatchPath : public CHeapObj<mtInternal> { |
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private: |
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char* _module_name; |
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PathString* _path; |
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public: |
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ModulePatchPath(const char* module_name, const char* path); |
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~ModulePatchPath(); |
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inline void set_path(const char* path) { _path->set_value(path); } |
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inline const char* module_name() const { return _module_name; } |
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inline char* path_string() const { return _path->value(); } |
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}; |
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// Element describing System and User (-Dkey=value flags) defined property. |
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// |
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// An internal SystemProperty is one that has been removed in |
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// jdk.internal.VM.saveAndRemoveProperties, like jdk.boot.class.path.append. |
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// |
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class SystemProperty : public PathString { |
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private: |
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char* _key; |
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SystemProperty* _next; |
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bool _internal; |
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bool _writeable; |
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bool writeable() { return _writeable; } |
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public: |
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// Accessors |
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char* value() const { return PathString::value(); } |
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const char* key() const { return _key; } |
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bool internal() const { return _internal; } |
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SystemProperty* next() const { return _next; } |
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void set_next(SystemProperty* next) { _next = next; } |
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bool is_readable() const { |
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return !_internal || strcmp(_key, "jdk.boot.class.path.append") == 0; |
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} |
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// A system property should only have its value set |
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// via an external interface if it is a writeable property. |
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// The internal, non-writeable property jdk.boot.class.path.append |
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// is the only exception to this rule. It can be set externally |
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// via -Xbootclasspath/a or JVMTI OnLoad phase call to AddToBootstrapClassLoaderSearch. |
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// In those cases for jdk.boot.class.path.append, the base class |
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// set_value and append_value methods are called directly. |
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bool set_writeable_value(const char *value) { |
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if (writeable()) { |
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return set_value(value); |
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} |
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return false; |
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} |
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// Constructor |
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SystemProperty(const char* key, const char* value, bool writeable, bool internal = false); |
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}; |
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// For use by -agentlib, -agentpath and -Xrun |
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class AgentLibrary : public CHeapObj<mtArguments> { |
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friend class AgentLibraryList; |
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public: |
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// Is this library valid or not. Don't rely on os_lib == NULL as statically |
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// linked lib could have handle of RTLD_DEFAULT which == 0 on some platforms |
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enum AgentState { |
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agent_invalid = 0, |
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agent_valid = 1 |
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}; |
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private: |
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char* _name; |
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char* _options; |
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void* _os_lib; |
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bool _is_absolute_path; |
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bool _is_static_lib; |
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bool _is_instrument_lib; |
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AgentState _state; |
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AgentLibrary* _next; |
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public: |
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// Accessors |
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const char* name() const { return _name; } |
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char* options() const { return _options; } |
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bool is_absolute_path() const { return _is_absolute_path; } |
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void* os_lib() const { return _os_lib; } |
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void set_os_lib(void* os_lib) { _os_lib = os_lib; } |
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AgentLibrary* next() const { return _next; } |
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bool is_static_lib() const { return _is_static_lib; } |
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bool is_instrument_lib() const { return _is_instrument_lib; } |
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void set_static_lib(bool is_static_lib) { _is_static_lib = is_static_lib; } |
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bool valid() { return (_state == agent_valid); } |
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void set_valid() { _state = agent_valid; } |
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void set_invalid() { _state = agent_invalid; } |
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// Constructor |
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AgentLibrary(const char* name, const char* options, bool is_absolute_path, |
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void* os_lib, bool instrument_lib=false); |
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}; |
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// maintain an order of entry list of AgentLibrary |
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class AgentLibraryList VALUE_OBJ_CLASS_SPEC { |
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private: |
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AgentLibrary* _first; |
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AgentLibrary* _last; |
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public: |
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bool is_empty() const { return _first == NULL; } |
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AgentLibrary* first() const { return _first; } |
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// add to the end of the list |
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void add(AgentLibrary* lib) { |
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if (is_empty()) { |
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_first = _last = lib; |
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} else { |
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_last->_next = lib; |
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_last = lib; |
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} |
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lib->_next = NULL; |
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} |
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// search for and remove a library known to be in the list |
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void remove(AgentLibrary* lib) { |
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AgentLibrary* curr; |
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AgentLibrary* prev = NULL; |
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for (curr = first(); curr != NULL; prev = curr, curr = curr->next()) { |
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if (curr == lib) { |
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break; |
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} |
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} |
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assert(curr != NULL, "always should be found"); |
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if (curr != NULL) { |
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// it was found, by-pass this library |
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if (prev == NULL) { |
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_first = curr->_next; |
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} else { |
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prev->_next = curr->_next; |
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} |
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if (curr == _last) { |
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_last = prev; |
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} |
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curr->_next = NULL; |
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} |
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} |
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AgentLibraryList() { |
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_first = NULL; |
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_last = NULL; |
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} |
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}; |
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// Helper class for controlling the lifetime of JavaVMInitArgs objects. |
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class ScopedVMInitArgs; |
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// Most logging functions require 5 tags. Some of them may be _NO_TAG. |
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typedef struct { |
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const char* alias_name; |
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LogLevelType level; |
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bool exactMatch; |
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LogTagType tag0; |
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LogTagType tag1; |
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LogTagType tag2; |
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LogTagType tag3; |
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LogTagType tag4; |
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LogTagType tag5; |
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} AliasedLoggingFlag; |
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class Arguments : AllStatic { |
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friend class VMStructs; |
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friend class JvmtiExport; |
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friend class CodeCacheExtensions; |
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friend class ArgumentsTest; |
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public: |
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// Operation modi |
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243 |
enum Mode { |
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244 |
_int, // corresponds to -Xint |
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_mixed, // corresponds to -Xmixed |
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_comp // corresponds to -Xcomp |
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}; |
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enum ArgsRange { |
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arg_unreadable = -3, |
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arg_too_small = -2, |
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arg_too_big = -1, |
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253 |
arg_in_range = 0 |
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}; |
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enum PropertyAppendable { |
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AppendProperty, |
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258 |
AddProperty |
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259 |
}; |
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260 |
|
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261 |
enum PropertyWriteable { |
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262 |
WriteableProperty, |
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263 |
UnwriteableProperty |
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264 |
}; |
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265 |
|
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266 |
enum PropertyInternal { |
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267 |
InternalProperty, |
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268 |
ExternalProperty |
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269 |
}; |
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270 |
|
1 | 271 |
private: |
272 |
||
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// a pointer to the flags file name if it is specified |
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274 |
static char* _jvm_flags_file; |
1 | 275 |
// an array containing all flags specified in the .hotspotrc file |
276 |
static char** _jvm_flags_array; |
|
277 |
static int _num_jvm_flags; |
|
278 |
// an array containing all jvm arguments specified in the command line |
|
279 |
static char** _jvm_args_array; |
|
280 |
static int _num_jvm_args; |
|
281 |
// string containing all java command (class/jarfile name and app args) |
|
282 |
static char* _java_command; |
|
283 |
||
284 |
// Property list |
|
285 |
static SystemProperty* _system_properties; |
|
286 |
||
287 |
// Quick accessor to System properties in the list: |
|
288 |
static SystemProperty *_sun_boot_library_path; |
|
289 |
static SystemProperty *_java_library_path; |
|
290 |
static SystemProperty *_java_home; |
|
291 |
static SystemProperty *_java_class_path; |
|
36508 | 292 |
static SystemProperty *_jdk_boot_class_path_append; |
293 |
||
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// --patch-module=module=<file>(<pathsep><file>)* |
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// Each element contains the associated module name, path |
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// string pair as specified to --patch-module. |
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static GrowableArray<ModulePatchPath*>* _patch_mod_prefix; |
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298 |
|
36508 | 299 |
// The constructed value of the system class path after |
300 |
// argument processing and JVMTI OnLoad additions via |
|
301 |
// calls to AddToBootstrapClassLoaderSearch. This is the |
|
302 |
// final form before ClassLoader::setup_bootstrap_search(). |
|
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303 |
// Note: since --patch-module is a module name/path pair, the |
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304 |
// system boot class path string no longer contains the "prefix" |
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305 |
// to the boot class path base piece as it did when |
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306 |
// -Xbootclasspath/p was supported. |
36508 | 307 |
static PathString *_system_boot_class_path; |
1 | 308 |
|
40013 | 309 |
// Set if a modular java runtime image is present vs. a build with exploded modules |
310 |
static bool _has_jimage; |
|
311 |
||
27562 | 312 |
// temporary: to emit warning if the default ext dirs are not empty. |
313 |
// remove this variable when the warning is no longer needed. |
|
314 |
static char* _ext_dirs; |
|
315 |
||
1 | 316 |
// java.vendor.url.bug, bug reporting URL for fatal errors. |
317 |
static const char* _java_vendor_url_bug; |
|
318 |
||
319 |
// sun.java.launcher, private property to provide information about |
|
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// java launcher |
1 | 321 |
static const char* _sun_java_launcher; |
322 |
||
323 |
// sun.java.launcher.pid, private property |
|
324 |
static int _sun_java_launcher_pid; |
|
325 |
||
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326 |
// was this VM created via the -XXaltjvm=<path> option |
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static bool _sun_java_launcher_is_altjvm; |
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|
328 |
|
1 | 329 |
// Option flags |
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static const char* _gc_log_filename; |
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331 |
// Value of the conservative maximum heap alignment needed |
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332 |
static size_t _conservative_max_heap_alignment; |
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333 |
|
36508 | 334 |
static uintx _min_heap_size; |
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|
335 |
|
1 | 336 |
// -Xrun arguments |
337 |
static AgentLibraryList _libraryList; |
|
48157 | 338 |
static void add_init_library(const char* name, char* options); |
1 | 339 |
|
340 |
// -agentlib and -agentpath arguments |
|
341 |
static AgentLibraryList _agentList; |
|
48157 | 342 |
static void add_init_agent(const char* name, char* options, bool absolute_path); |
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343 |
static void add_instrument_agent(const char* name, char* options, bool absolute_path); |
1 | 344 |
|
345 |
// Late-binding agents not started via arguments |
|
48157 | 346 |
static void add_loaded_agent(AgentLibrary *agentLib); |
347 |
static void add_loaded_agent(const char* name, char* options, bool absolute_path, void* os_lib); |
|
1 | 348 |
|
349 |
// Operation modi |
|
350 |
static Mode _mode; |
|
351 |
static void set_mode_flags(Mode mode); |
|
352 |
static bool _java_compiler; |
|
353 |
static void set_java_compiler(bool arg) { _java_compiler = arg; } |
|
354 |
static bool java_compiler() { return _java_compiler; } |
|
355 |
||
356 |
// -Xdebug flag |
|
357 |
static bool _xdebug_mode; |
|
358 |
static void set_xdebug_mode(bool arg) { _xdebug_mode = arg; } |
|
359 |
static bool xdebug_mode() { return _xdebug_mode; } |
|
360 |
||
361 |
// Used to save default settings |
|
362 |
static bool _AlwaysCompileLoopMethods; |
|
363 |
static bool _UseOnStackReplacement; |
|
364 |
static bool _BackgroundCompilation; |
|
365 |
static bool _ClipInlining; |
|
366 |
static bool _CIDynamicCompilePriority; |
|
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static intx _Tier3InvokeNotifyFreqLog; |
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368 |
static intx _Tier4InvocationThreshold; |
1 | 369 |
|
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// Compilation mode. |
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371 |
static bool compilation_mode_selected(); |
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|
372 |
static void select_compilation_mode_ergonomically(); |
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373 |
|
6453 | 374 |
// Tiered |
375 |
static void set_tiered_flags(); |
|
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|
376 |
|
1 | 377 |
// GC ergonomics |
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378 |
static void set_conservative_max_heap_alignment(); |
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|
379 |
static void set_use_compressed_oops(); |
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|
380 |
static void set_use_compressed_klass_ptrs(); |
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|
381 |
static jint set_ergonomics_flags(); |
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|
382 |
static void set_shared_spaces_flags(); |
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|
383 |
// limits the given memory size by the maximum amount of memory this process is |
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|
384 |
// currently allowed to allocate or reserve. |
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|
385 |
static julong limit_by_allocatable_memory(julong size); |
4434 | 386 |
// Setup heap size |
387 |
static void set_heap_size(); |
|
1 | 388 |
|
389 |
// Bytecode rewriting |
|
390 |
static void set_bytecode_flags(); |
|
391 |
||
392 |
// Invocation API hooks |
|
393 |
static abort_hook_t _abort_hook; |
|
394 |
static exit_hook_t _exit_hook; |
|
395 |
static vfprintf_hook_t _vfprintf_hook; |
|
396 |
||
397 |
// System properties |
|
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398 |
static bool add_property(const char* prop, PropertyWriteable writeable=WriteableProperty, |
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|
399 |
PropertyInternal internal=ExternalProperty); |
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|
400 |
|
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|
401 |
static bool create_property(const char* prop_name, const char* prop_value, PropertyInternal internal); |
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|
402 |
static bool create_numbered_property(const char* prop_base_name, const char* prop_value, unsigned int count); |
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|
403 |
|
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|
404 |
static int process_patch_mod_option(const char* patch_mod_tail, bool* patch_mod_javabase); |
1 | 405 |
|
406 |
// Aggressive optimization flags. |
|
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|
407 |
static jint set_aggressive_opts_flags(); |
1 | 408 |
|
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|
409 |
static jint set_aggressive_heap_flags(); |
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|
410 |
|
1 | 411 |
// Argument parsing |
412 |
static void do_pd_flag_adjustments(); |
|
20288
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|
413 |
static bool parse_argument(const char* arg, Flag::Flags origin); |
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|
414 |
static bool process_argument(const char* arg, jboolean ignore_unrecognized, Flag::Flags origin); |
1 | 415 |
static void process_java_launcher_argument(const char*, void*); |
32595
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|
416 |
static void process_java_compiler_argument(const char* arg); |
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|
417 |
static jint parse_options_environment_variable(const char* name, ScopedVMInitArgs* vm_args); |
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|
418 |
static jint parse_java_tool_options_environment_variable(ScopedVMInitArgs* vm_args); |
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|
419 |
static jint parse_java_options_environment_variable(ScopedVMInitArgs* vm_args); |
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|
420 |
static jint parse_vm_options_file(const char* file_name, ScopedVMInitArgs* vm_args); |
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|
421 |
static jint parse_options_buffer(const char* name, char* buffer, const size_t buf_len, ScopedVMInitArgs* vm_args); |
46616
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|
422 |
static jint parse_xss(const JavaVMOption* option, const char* tail, intx* out_ThreadStackSize); |
32621
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|
423 |
static jint insert_vm_options_file(const JavaVMInitArgs* args, |
35466
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8135198: Add -XX:VMOptionsFile support to JAVA_TOOL_OPTIONS and _JAVA_OPTIONS
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|
424 |
const char* vm_options_file, |
32621
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|
425 |
const int vm_options_file_pos, |
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|
426 |
ScopedVMInitArgs* vm_options_file_args, |
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|
427 |
ScopedVMInitArgs* args_out); |
35466
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|
428 |
static bool args_contains_vm_options_file_arg(const JavaVMInitArgs* args); |
4ace9ef0201b
8135198: Add -XX:VMOptionsFile support to JAVA_TOOL_OPTIONS and _JAVA_OPTIONS
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|
429 |
static jint expand_vm_options_as_needed(const JavaVMInitArgs* args_in, |
4ace9ef0201b
8135198: Add -XX:VMOptionsFile support to JAVA_TOOL_OPTIONS and _JAVA_OPTIONS
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diff
changeset
|
430 |
ScopedVMInitArgs* mod_args, |
4ace9ef0201b
8135198: Add -XX:VMOptionsFile support to JAVA_TOOL_OPTIONS and _JAVA_OPTIONS
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changeset
|
431 |
JavaVMInitArgs** args_out); |
32621
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8061999: Enhance VM option parsing to allow options to be specified in a file
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diff
changeset
|
432 |
static jint match_special_option_and_act(const JavaVMInitArgs* args, |
cdab920f3b6c
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diff
changeset
|
433 |
ScopedVMInitArgs* args_out); |
cdab920f3b6c
8061999: Enhance VM option parsing to allow options to be specified in a file
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changeset
|
434 |
|
35872
7fb1e4de83ff
8145180: Add back PrintGC, PrintGCDetails and -Xloggc
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changeset
|
435 |
static bool handle_deprecated_print_gc_flags(); |
7fb1e4de83ff
8145180: Add back PrintGC, PrintGCDetails and -Xloggc
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diff
changeset
|
436 |
|
41708
82f5dc0dfccf
8155948: Add message for CMS deprecation for Oracle builds
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changeset
|
437 |
static void handle_extra_cms_flags(const char* msg); |
82f5dc0dfccf
8155948: Add message for CMS deprecation for Oracle builds
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diff
changeset
|
438 |
|
31853
c70929a2573c
8079301: Some command line options not settable via JAVA_TOOL_OPTIONS
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31620
diff
changeset
|
439 |
static jint parse_vm_init_args(const JavaVMInitArgs *java_tool_options_args, |
c70929a2573c
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|
440 |
const JavaVMInitArgs *java_options_args, |
c70929a2573c
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|
441 |
const JavaVMInitArgs *cmd_line_args); |
40244
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|
442 |
static jint parse_each_vm_init_arg(const JavaVMInitArgs* args, bool* patch_mod_javabase, Flag::Flags origin); |
47103
a993ec29ec75
8186842: Use Java class loaders for creating the CDS archive
ccheung
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diff
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|
443 |
static jint finalize_vm_init_args(bool patch_mod_javabase); |
22555
ea32f6c51d08
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
22551
diff
changeset
|
444 |
static bool is_bad_option(const JavaVMOption* option, jboolean ignore, const char* option_type); |
ea32f6c51d08
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
22551
diff
changeset
|
445 |
|
1 | 446 |
static bool is_bad_option(const JavaVMOption* option, jboolean ignore) { |
447 |
return is_bad_option(option, ignore, NULL); |
|
448 |
} |
|
22555
ea32f6c51d08
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
22551
diff
changeset
|
449 |
|
1 | 450 |
static void describe_range_error(ArgsRange errcode); |
46616
66d452cca30f
8178491: -Xss and -XX:ThreadStackSize argument parsing truncates bits
stefank
parents:
43607
diff
changeset
|
451 |
static ArgsRange check_memory_size(julong size, julong min_size, julong max_size); |
1676
d80e69372634
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
1388
diff
changeset
|
452 |
static ArgsRange parse_memory_size(const char* s, julong* long_arg, |
46616
66d452cca30f
8178491: -Xss and -XX:ThreadStackSize argument parsing truncates bits
stefank
parents:
43607
diff
changeset
|
453 |
julong min_size, julong max_size = max_uintx); |
5035 | 454 |
// Parse a string for a unsigned integer. Returns true if value |
455 |
// is an unsigned integer greater than or equal to the minimum |
|
456 |
// parameter passed and returns the value in uintx_arg. Returns |
|
457 |
// false otherwise, with uintx_arg undefined. |
|
458 |
static bool parse_uintx(const char* value, uintx* uintx_arg, |
|
459 |
uintx min_size); |
|
1 | 460 |
|
461 |
// methods to build strings from individual args |
|
462 |
static void build_jvm_args(const char* arg); |
|
463 |
static void build_jvm_flags(const char* arg); |
|
464 |
static void add_string(char*** bldarray, int* count, const char* arg); |
|
465 |
static const char* build_resource_string(char** args, int count); |
|
466 |
||
467 |
static bool methodExists( |
|
468 |
char* className, char* methodName, |
|
469 |
int classesNum, char** classes, bool* allMethods, |
|
470 |
int methodsNum, char** methods, bool* allClasses |
|
471 |
); |
|
472 |
||
473 |
static void parseOnlyLine( |
|
474 |
const char* line, |
|
475 |
short* classesNum, short* classesMax, char*** classes, bool** allMethods, |
|
476 |
short* methodsNum, short* methodsMax, char*** methods, bool** allClasses |
|
477 |
); |
|
478 |
||
32823
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
479 |
// Returns true if the flag is obsolete (and not yet expired). |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
480 |
// In this case the 'version' buffer is filled in with |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
481 |
// the version number when the flag became obsolete. |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
482 |
static bool is_obsolete_flag(const char* flag_name, JDK_Version* version); |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
483 |
|
37173
d8aea1500483
8146632: Add descriptive error messages for removed non-product logging flags.
mockner
parents:
37094
diff
changeset
|
484 |
#ifndef PRODUCT |
d8aea1500483
8146632: Add descriptive error messages for removed non-product logging flags.
mockner
parents:
37094
diff
changeset
|
485 |
static const char* removed_develop_logging_flag_name(const char* name); |
d8aea1500483
8146632: Add descriptive error messages for removed non-product logging flags.
mockner
parents:
37094
diff
changeset
|
486 |
#endif // PRODUCT |
d8aea1500483
8146632: Add descriptive error messages for removed non-product logging flags.
mockner
parents:
37094
diff
changeset
|
487 |
|
32823
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
488 |
// Returns 1 if the flag is deprecated (and not yet obsolete or expired). |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
489 |
// In this case the 'version' buffer is filled in with the version number when |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
490 |
// the flag became deprecated. |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
491 |
// Returns -1 if the flag is expired or obsolete. |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
492 |
// Returns 0 otherwise. |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
493 |
static int is_deprecated_flag(const char* flag_name, JDK_Version* version); |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
494 |
|
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
495 |
// Return the real name for the flag passed on the command line (either an alias name or "flag_name"). |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
496 |
static const char* real_flag_name(const char *flag_name); |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
497 |
|
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
498 |
// Return the "real" name for option arg if arg is an alias, and print a warning if arg is deprecated. |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
499 |
// Return NULL if the arg has expired. |
ca8fef4cd57b
8066821: Enhance command line processing to manage deprecating and obsoleting -XX command line arguments
drwhite
parents:
32621
diff
changeset
|
500 |
static const char* handle_aliases_and_deprecation(const char* arg, bool warn); |
35171
cf7d5a1d0662
8145153: Convert TraceMonitorInflation to Unified Logging
rprotacio
parents:
35061
diff
changeset
|
501 |
static bool lookup_logging_aliases(const char* arg, char* buffer); |
37216
5555c1f804c4
8145235: Deprecate product flags that have been converted to Unified Logging
rprotacio
parents:
37199
diff
changeset
|
502 |
static AliasedLoggingFlag catch_logging_aliases(const char* name, bool on); |
1 | 503 |
static short CompileOnlyClassesNum; |
504 |
static short CompileOnlyClassesMax; |
|
505 |
static char** CompileOnlyClasses; |
|
506 |
static bool* CompileOnlyAllMethods; |
|
507 |
||
508 |
static short CompileOnlyMethodsNum; |
|
509 |
static short CompileOnlyMethodsMax; |
|
510 |
static char** CompileOnlyMethods; |
|
511 |
static bool* CompileOnlyAllClasses; |
|
512 |
||
513 |
static short InterpretOnlyClassesNum; |
|
514 |
static short InterpretOnlyClassesMax; |
|
515 |
static char** InterpretOnlyClasses; |
|
516 |
static bool* InterpretOnlyAllMethods; |
|
517 |
||
518 |
static bool CheckCompileOnly; |
|
519 |
||
520 |
static char* SharedArchivePath; |
|
521 |
||
522 |
public: |
|
28650
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
523 |
// Scale compile thresholds |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
524 |
// Returns threshold scaled with CompileThresholdScaling |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
525 |
static intx scaled_compile_threshold(intx threshold, double scale); |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
526 |
static intx scaled_compile_threshold(intx threshold) { |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
527 |
return scaled_compile_threshold(threshold, CompileThresholdScaling); |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
528 |
} |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
529 |
// Returns freq_log scaled with CompileThresholdScaling |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
530 |
static intx scaled_freq_log(intx freq_log, double scale); |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
531 |
static intx scaled_freq_log(intx freq_log) { |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
532 |
return scaled_freq_log(freq_log, CompileThresholdScaling); |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
533 |
} |
772aaab2582f
8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
zmajo
parents:
28372
diff
changeset
|
534 |
|
19986
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19732
diff
changeset
|
535 |
// Parses the arguments, first phase |
1 | 536 |
static jint parse(const JavaVMInitArgs* args); |
19986
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19732
diff
changeset
|
537 |
// Apply ergonomics |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19732
diff
changeset
|
538 |
static jint apply_ergo(); |
14580
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
13963
diff
changeset
|
539 |
// Adjusts the arguments after the OS have adjusted the arguments |
3e2316663327
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
13963
diff
changeset
|
540 |
static jint adjust_after_os(); |
22555
ea32f6c51d08
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
22551
diff
changeset
|
541 |
|
27892
06a143c836ad
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
27148
diff
changeset
|
542 |
static void set_gc_specific_flags(); |
36313
e7eff81d7f1d
8145333: -XX:+EnableJVMCI -XX:+UseJVMCICompiler -XX:-EnableJVMCI makes JVM crash
jcm
parents:
35872
diff
changeset
|
543 |
#if INCLUDE_JVMCI |
e7eff81d7f1d
8145333: -XX:+EnableJVMCI -XX:+UseJVMCICompiler -XX:-EnableJVMCI makes JVM crash
jcm
parents:
35872
diff
changeset
|
544 |
// Check consistency of jvmci vm argument settings. |
e7eff81d7f1d
8145333: -XX:+EnableJVMCI -XX:+UseJVMCICompiler -XX:-EnableJVMCI makes JVM crash
jcm
parents:
35872
diff
changeset
|
545 |
static bool check_jvmci_args_consistency(); |
43433
acc1d9072823
8166125: [JVMCI] Missing JVMCI flag default values
davleopo
parents:
41708
diff
changeset
|
546 |
static void set_jvmci_specific_flags(); |
36313
e7eff81d7f1d
8145333: -XX:+EnableJVMCI -XX:+UseJVMCICompiler -XX:-EnableJVMCI makes JVM crash
jcm
parents:
35872
diff
changeset
|
547 |
#endif |
183
ba55c7f3fd45
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
1
diff
changeset
|
548 |
// Check for consistency in the selection of the garbage collector. |
29696
01571dfab5be
8073944: Simplify ArgumentsExt and remove unneeded functionallity
sjohanss
parents:
29076
diff
changeset
|
549 |
static bool check_gc_consistency(); // Check user-selected gc |
22551 | 550 |
// Check consistency or otherwise of VM argument settings |
1 | 551 |
static bool check_vm_args_consistency(); |
552 |
// Used by os_solaris |
|
553 |
static bool process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized); |
|
554 |
||
19986
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19732
diff
changeset
|
555 |
static size_t conservative_max_heap_alignment() { return _conservative_max_heap_alignment; } |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19732
diff
changeset
|
556 |
// Return the maximum size a heap with compressed oops can take |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19732
diff
changeset
|
557 |
static size_t max_heap_for_compressed_oops(); |
33d188c66ed9
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
19732
diff
changeset
|
558 |
|
1 | 559 |
// return a char* array containing all options |
560 |
static char** jvm_flags_array() { return _jvm_flags_array; } |
|
561 |
static char** jvm_args_array() { return _jvm_args_array; } |
|
562 |
static int num_jvm_flags() { return _num_jvm_flags; } |
|
563 |
static int num_jvm_args() { return _num_jvm_args; } |
|
564 |
// return the arguments passed to the Java application |
|
565 |
static const char* java_command() { return _java_command; } |
|
566 |
||
567 |
// print jvm_flags, jvm_args and java_command |
|
568 |
static void print_on(outputStream* st); |
|
31963
641ed52732ec
8026324: hs_err improvement: Add summary section to hs_err file
coleenp
parents:
31853
diff
changeset
|
569 |
static void print_summary_on(outputStream* st); |
1 | 570 |
|
34125
56c4a2d19ee1
8141068: refactor -XXFlags= code in preparation for removal
rdurbin
parents:
32823
diff
changeset
|
571 |
// convenient methods to get and set jvm_flags_file |
56c4a2d19ee1
8141068: refactor -XXFlags= code in preparation for removal
rdurbin
parents:
32823
diff
changeset
|
572 |
static const char* get_jvm_flags_file() { return _jvm_flags_file; } |
56c4a2d19ee1
8141068: refactor -XXFlags= code in preparation for removal
rdurbin
parents:
32823
diff
changeset
|
573 |
static void set_jvm_flags_file(const char *value) { |
56c4a2d19ee1
8141068: refactor -XXFlags= code in preparation for removal
rdurbin
parents:
32823
diff
changeset
|
574 |
if (_jvm_flags_file != NULL) { |
56c4a2d19ee1
8141068: refactor -XXFlags= code in preparation for removal
rdurbin
parents:
32823
diff
changeset
|
575 |
os::free(_jvm_flags_file); |
56c4a2d19ee1
8141068: refactor -XXFlags= code in preparation for removal
rdurbin
parents:
32823
diff
changeset
|
576 |
} |
56c4a2d19ee1
8141068: refactor -XXFlags= code in preparation for removal
rdurbin
parents:
32823
diff
changeset
|
577 |
_jvm_flags_file = os::strdup_check_oom(value); |
56c4a2d19ee1
8141068: refactor -XXFlags= code in preparation for removal
rdurbin
parents:
32823
diff
changeset
|
578 |
} |
1 | 579 |
// convenient methods to obtain / print jvm_flags and jvm_args |
580 |
static const char* jvm_flags() { return build_resource_string(_jvm_flags_array, _num_jvm_flags); } |
|
581 |
static const char* jvm_args() { return build_resource_string(_jvm_args_array, _num_jvm_args); } |
|
582 |
static void print_jvm_flags_on(outputStream* st); |
|
583 |
static void print_jvm_args_on(outputStream* st); |
|
584 |
||
585 |
// -Dkey=value flags |
|
586 |
static SystemProperty* system_properties() { return _system_properties; } |
|
587 |
static const char* get_property(const char* key); |
|
588 |
||
589 |
// -Djava.vendor.url.bug |
|
590 |
static const char* java_vendor_url_bug() { return _java_vendor_url_bug; } |
|
591 |
||
592 |
// -Dsun.java.launcher |
|
593 |
static const char* sun_java_launcher() { return _sun_java_launcher; } |
|
594 |
// Was VM created by a Java launcher? |
|
595 |
static bool created_by_java_launcher(); |
|
22734
41757c1f3946
8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents:
20288
diff
changeset
|
596 |
// -Dsun.java.launcher.is_altjvm |
41757c1f3946
8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher
rdurbin
parents:
20288
diff
changeset
|
597 |
static bool sun_java_launcher_is_altjvm(); |
1 | 598 |
// -Dsun.java.launcher.pid |
599 |
static int sun_java_launcher_pid() { return _sun_java_launcher_pid; } |
|
600 |
||
22551 | 601 |
// -Xms |
29697
92501504191b
8074459: Flags handling memory sizes should be of type size_t
jwilhelm
parents:
29696
diff
changeset
|
602 |
static size_t min_heap_size() { return _min_heap_size; } |
92501504191b
8074459: Flags handling memory sizes should be of type size_t
jwilhelm
parents:
29696
diff
changeset
|
603 |
static void set_min_heap_size(size_t v) { _min_heap_size = v; } |
1 | 604 |
|
605 |
// -Xrun |
|
606 |
static AgentLibrary* libraries() { return _libraryList.first(); } |
|
607 |
static bool init_libraries_at_startup() { return !_libraryList.is_empty(); } |
|
608 |
static void convert_library_to_agent(AgentLibrary* lib) |
|
609 |
{ _libraryList.remove(lib); |
|
610 |
_agentList.add(lib); } |
|
611 |
||
612 |
// -agentlib -agentpath |
|
613 |
static AgentLibrary* agents() { return _agentList.first(); } |
|
614 |
static bool init_agents_at_startup() { return !_agentList.is_empty(); } |
|
615 |
||
616 |
// abort, exit, vfprintf hooks |
|
617 |
static abort_hook_t abort_hook() { return _abort_hook; } |
|
618 |
static exit_hook_t exit_hook() { return _exit_hook; } |
|
619 |
static vfprintf_hook_t vfprintf_hook() { return _vfprintf_hook; } |
|
620 |
||
621 |
static bool GetCheckCompileOnly () { return CheckCompileOnly; } |
|
622 |
||
623 |
static const char* GetSharedArchivePath() { return SharedArchivePath; } |
|
624 |
||
625 |
static bool CompileMethod(char* className, char* methodName) { |
|
626 |
return |
|
627 |
methodExists( |
|
628 |
className, methodName, |
|
629 |
CompileOnlyClassesNum, CompileOnlyClasses, CompileOnlyAllMethods, |
|
630 |
CompileOnlyMethodsNum, CompileOnlyMethods, CompileOnlyAllClasses |
|
631 |
); |
|
632 |
} |
|
633 |
||
634 |
// Java launcher properties |
|
635 |
static void process_sun_java_launcher_properties(JavaVMInitArgs* args); |
|
636 |
||
637 |
// System properties |
|
638 |
static void init_system_properties(); |
|
639 |
||
6961
a32b2fc66321
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
6453
diff
changeset
|
640 |
// Update/Initialize System properties after JDK version number is known |
a32b2fc66321
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
6453
diff
changeset
|
641 |
static void init_version_specific_system_properties(); |
a32b2fc66321
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
6453
diff
changeset
|
642 |
|
2358 | 643 |
// Property List manipulation |
28372
ce0aad4b8c44
8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling.
goetz
parents:
27926
diff
changeset
|
644 |
static void PropertyList_add(SystemProperty *element); |
1 | 645 |
static void PropertyList_add(SystemProperty** plist, SystemProperty *element); |
40244
b3055c216762
8136930: Simplify use of module-system options by custom launchers
hseigel
parents:
40013
diff
changeset
|
646 |
static void PropertyList_add(SystemProperty** plist, const char* k, const char* v, bool writeable, bool internal); |
b3055c216762
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647 |
|
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648 |
static void PropertyList_unique_add(SystemProperty** plist, const char* k, const char* v, |
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649 |
PropertyAppendable append, PropertyWriteable writeable, |
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650 |
PropertyInternal internal); |
1 | 651 |
static const char* PropertyList_get_value(SystemProperty* plist, const char* key); |
40244
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652 |
static const char* PropertyList_get_readable_value(SystemProperty* plist, const char* key); |
1 | 653 |
static int PropertyList_count(SystemProperty* pl); |
40244
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654 |
static int PropertyList_readable_count(SystemProperty* pl); |
1 | 655 |
static const char* PropertyList_get_key_at(SystemProperty* pl,int index); |
656 |
static char* PropertyList_get_value_at(SystemProperty* pl,int index); |
|
657 |
||
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658 |
static bool is_internal_module_property(const char* option); |
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659 |
|
1 | 660 |
// Miscellaneous System property value getter and setters. |
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661 |
static void set_dll_dir(const char *value) { _sun_boot_library_path->set_value(value); } |
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static void set_java_home(const char *value) { _java_home->set_value(value); } |
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663 |
static void set_library_path(const char *value) { _java_library_path->set_value(value); } |
27562 | 664 |
static void set_ext_dirs(char *value) { _ext_dirs = os::strdup_check_oom(value); } |
36508 | 665 |
|
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666 |
// Set up the underlying pieces of the system boot class path |
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667 |
static void add_patch_mod_prefix(const char *module_name, const char *path, bool* patch_mod_javabase); |
40013 | 668 |
static void set_sysclasspath(const char *value, bool has_jimage) { |
669 |
// During start up, set by os::set_boot_path() |
|
670 |
assert(get_sysclasspath() == NULL, "System boot class path previously set"); |
|
36508 | 671 |
_system_boot_class_path->set_value(value); |
40013 | 672 |
_has_jimage = has_jimage; |
36508 | 673 |
} |
674 |
static void append_sysclasspath(const char *value) { |
|
675 |
_system_boot_class_path->append_value(value); |
|
40013 | 676 |
_jdk_boot_class_path_append->append_value(value); |
36508 | 677 |
} |
1 | 678 |
|
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679 |
static GrowableArray<ModulePatchPath*>* get_patch_mod_prefix() { return _patch_mod_prefix; } |
36508 | 680 |
static char* get_sysclasspath() { return _system_boot_class_path->value(); } |
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681 |
static char* get_jdk_boot_class_path_append() { return _jdk_boot_class_path_append->value(); } |
40013 | 682 |
static bool has_jimage() { return _has_jimage; } |
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|
683 |
|
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|
684 |
static char* get_java_home() { return _java_home->value(); } |
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static char* get_dll_dir() { return _sun_boot_library_path->value(); } |
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686 |
static char* get_ext_dirs() { return _ext_dirs; } |
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static char* get_appclasspath() { return _java_class_path->value(); } |
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static void fix_appclasspath(); |
1 | 689 |
|
27562 | 690 |
|
1 | 691 |
// Operation modi |
36508 | 692 |
static Mode mode() { return _mode; } |
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|
693 |
static bool is_interpreter_only() { return mode() == _int; } |
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694 |
|
1 | 695 |
|
696 |
// Utility: copies src into buf, replacing "%%" with "%" and "%p" with pid. |
|
697 |
static bool copy_expand_pid(const char* src, size_t srclen, char* buf, size_t buflen); |
|
36508 | 698 |
|
699 |
static void check_unsupported_dumping_properties() NOT_CDS_RETURN; |
|
38195 | 700 |
|
701 |
static bool atojulong(const char *s, julong* result); |
|
1 | 702 |
}; |
7397 | 703 |
|
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704 |
// Disable options not supported in this release, with a warning if they |
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|
705 |
// were explicitly requested on the command-line |
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|
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#define UNSUPPORTED_OPTION(opt) \ |
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|
707 |
do { \ |
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|
708 |
if (opt) { \ |
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if (FLAG_IS_CMDLINE(opt)) { \ |
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|
710 |
warning("-XX:+" #opt " not supported in this VM"); \ |
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|
711 |
} \ |
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712 |
FLAG_SET_DEFAULT(opt, false); \ |
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713 |
} \ |
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714 |
} while(0) |
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|
715 |
|
7397 | 716 |
#endif // SHARE_VM_RUNTIME_ARGUMENTS_HPP |