duke@435: /*
mikael@4153:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_RUNTIME_ARGUMENTS_HPP
stefank@2314: #define SHARE_VM_RUNTIME_ARGUMENTS_HPP
stefank@2314: 
stefank@2314: #include "runtime/java.hpp"
stefank@2314: #include "runtime/perfData.hpp"
stefank@2314: #include "utilities/top.hpp"
stefank@2314: 
duke@435: // Arguments parses the command line and recognizes options
duke@435: 
duke@435: // Invocation API hook typedefs (these should really be defined in jni.hpp)
duke@435: extern "C" {
duke@435:   typedef void (JNICALL *abort_hook_t)(void);
duke@435:   typedef void (JNICALL *exit_hook_t)(jint code);
duke@435:   typedef jint (JNICALL *vfprintf_hook_t)(FILE *fp, const char *format, va_list args);
duke@435: }
duke@435: 
duke@435: // Forward declarations
duke@435: 
duke@435: class SysClassPath;
duke@435: 
duke@435: // Element describing System and User (-Dkey=value flags) defined property.
duke@435: 
zgu@3900: class SystemProperty: public CHeapObj<mtInternal> {
duke@435:  private:
duke@435:   char*           _key;
duke@435:   char*           _value;
duke@435:   SystemProperty* _next;
duke@435:   bool            _writeable;
duke@435:   bool writeable()   { return _writeable; }
duke@435: 
duke@435:  public:
duke@435:   // Accessors
duke@435:   const char* key() const                   { return _key; }
duke@435:   char* value() const                       { return _value; }
duke@435:   SystemProperty* next() const              { return _next; }
duke@435:   void set_next(SystemProperty* next)       { _next = next; }
duke@435:   bool set_value(char *value) {
duke@435:     if (writeable()) {
duke@435:       if (_value != NULL) {
duke@435:         FreeHeap(_value);
duke@435:       }
zgu@3900:       _value = AllocateHeap(strlen(value)+1, mtInternal);
duke@435:       if (_value != NULL) {
duke@435:         strcpy(_value, value);
duke@435:       }
duke@435:       return true;
duke@435:     }
duke@435:     return false;
duke@435:   }
duke@435: 
duke@435:   void append_value(const char *value) {
duke@435:     char *sp;
duke@435:     size_t len = 0;
duke@435:     if (value != NULL) {
duke@435:       len = strlen(value);
duke@435:       if (_value != NULL) {
duke@435:         len += strlen(_value);
duke@435:       }
zgu@3900:       sp = AllocateHeap(len+2, mtInternal);
duke@435:       if (sp != NULL) {
duke@435:         if (_value != NULL) {
duke@435:           strcpy(sp, _value);
duke@435:           strcat(sp, os::path_separator());
duke@435:           strcat(sp, value);
duke@435:           FreeHeap(_value);
duke@435:         } else {
duke@435:           strcpy(sp, value);
duke@435:         }
duke@435:         _value = sp;
duke@435:       }
duke@435:     }
duke@435:   }
duke@435: 
duke@435:   // Constructor
duke@435:   SystemProperty(const char* key, const char* value, bool writeable) {
duke@435:     if (key == NULL) {
duke@435:       _key = NULL;
duke@435:     } else {
zgu@3900:       _key = AllocateHeap(strlen(key)+1, mtInternal);
duke@435:       strcpy(_key, key);
duke@435:     }
duke@435:     if (value == NULL) {
duke@435:       _value = NULL;
duke@435:     } else {
zgu@3900:       _value = AllocateHeap(strlen(value)+1, mtInternal);
duke@435:       strcpy(_value, value);
duke@435:     }
duke@435:     _next = NULL;
duke@435:     _writeable = writeable;
duke@435:   }
duke@435: };
duke@435: 
duke@435: 
duke@435: // For use by -agentlib, -agentpath and -Xrun
zgu@3900: class AgentLibrary : public CHeapObj<mtInternal> {
duke@435:   friend class AgentLibraryList;
duke@435:  private:
duke@435:   char*           _name;
duke@435:   char*           _options;
duke@435:   void*           _os_lib;
duke@435:   bool            _is_absolute_path;
duke@435:   AgentLibrary*   _next;
duke@435: 
duke@435:  public:
duke@435:   // Accessors
duke@435:   const char* name() const                  { return _name; }
duke@435:   char* options() const                     { return _options; }
duke@435:   bool is_absolute_path() const             { return _is_absolute_path; }
duke@435:   void* os_lib() const                      { return _os_lib; }
duke@435:   void set_os_lib(void* os_lib)             { _os_lib = os_lib; }
duke@435:   AgentLibrary* next() const                { return _next; }
duke@435: 
duke@435:   // Constructor
duke@435:   AgentLibrary(const char* name, const char* options, bool is_absolute_path, void* os_lib) {
zgu@3900:     _name = AllocateHeap(strlen(name)+1, mtInternal);
duke@435:     strcpy(_name, name);
duke@435:     if (options == NULL) {
duke@435:       _options = NULL;
duke@435:     } else {
zgu@3900:       _options = AllocateHeap(strlen(options)+1, mtInternal);
duke@435:       strcpy(_options, options);
duke@435:     }
duke@435:     _is_absolute_path = is_absolute_path;
duke@435:     _os_lib = os_lib;
duke@435:     _next = NULL;
duke@435:   }
duke@435: };
duke@435: 
duke@435: // maintain an order of entry list of AgentLibrary
duke@435: class AgentLibraryList VALUE_OBJ_CLASS_SPEC {
duke@435:  private:
duke@435:   AgentLibrary*   _first;
duke@435:   AgentLibrary*   _last;
duke@435:  public:
duke@435:   bool is_empty() const                     { return _first == NULL; }
duke@435:   AgentLibrary* first() const               { return _first; }
duke@435: 
duke@435:   // add to the end of the list
duke@435:   void add(AgentLibrary* lib) {
duke@435:     if (is_empty()) {
duke@435:       _first = _last = lib;
duke@435:     } else {
duke@435:       _last->_next = lib;
duke@435:       _last = lib;
duke@435:     }
duke@435:     lib->_next = NULL;
duke@435:   }
duke@435: 
duke@435:   // search for and remove a library known to be in the list
duke@435:   void remove(AgentLibrary* lib) {
duke@435:     AgentLibrary* curr;
duke@435:     AgentLibrary* prev = NULL;
duke@435:     for (curr = first(); curr != NULL; prev = curr, curr = curr->next()) {
duke@435:       if (curr == lib) {
duke@435:         break;
duke@435:       }
duke@435:     }
duke@435:     assert(curr != NULL, "always should be found");
duke@435: 
duke@435:     if (curr != NULL) {
duke@435:       // it was found, by-pass this library
duke@435:       if (prev == NULL) {
duke@435:         _first = curr->_next;
duke@435:       } else {
duke@435:         prev->_next = curr->_next;
duke@435:       }
duke@435:       if (curr == _last) {
duke@435:         _last = prev;
duke@435:       }
duke@435:       curr->_next = NULL;
duke@435:     }
duke@435:   }
duke@435: 
duke@435:   AgentLibraryList() {
duke@435:     _first = NULL;
duke@435:     _last = NULL;
duke@435:   }
duke@435: };
duke@435: 
duke@435: 
duke@435: class Arguments : AllStatic {
duke@435:   friend class VMStructs;
duke@435:   friend class JvmtiExport;
duke@435:  public:
duke@435:   // Operation modi
duke@435:   enum Mode {
duke@435:     _int,       // corresponds to -Xint
duke@435:     _mixed,     // corresponds to -Xmixed
duke@435:     _comp       // corresponds to -Xcomp
duke@435:   };
duke@435: 
duke@435:   enum ArgsRange {
duke@435:     arg_unreadable = -3,
duke@435:     arg_too_small  = -2,
duke@435:     arg_too_big    = -1,
duke@435:     arg_in_range   = 0
duke@435:   };
duke@435: 
duke@435:  private:
duke@435: 
duke@435:   // an array containing all flags specified in the .hotspotrc file
duke@435:   static char** _jvm_flags_array;
duke@435:   static int    _num_jvm_flags;
duke@435:   // an array containing all jvm arguments specified in the command line
duke@435:   static char** _jvm_args_array;
duke@435:   static int    _num_jvm_args;
duke@435:   // string containing all java command (class/jarfile name and app args)
duke@435:   static char* _java_command;
duke@435: 
duke@435:   // Property list
duke@435:   static SystemProperty* _system_properties;
duke@435: 
duke@435:   // Quick accessor to System properties in the list:
duke@435:   static SystemProperty *_java_ext_dirs;
duke@435:   static SystemProperty *_java_endorsed_dirs;
duke@435:   static SystemProperty *_sun_boot_library_path;
duke@435:   static SystemProperty *_java_library_path;
duke@435:   static SystemProperty *_java_home;
duke@435:   static SystemProperty *_java_class_path;
duke@435:   static SystemProperty *_sun_boot_class_path;
duke@435: 
duke@435:   // Meta-index for knowing what packages are in the boot class path
duke@435:   static char* _meta_index_path;
duke@435:   static char* _meta_index_dir;
duke@435: 
duke@435:   // java.vendor.url.bug, bug reporting URL for fatal errors.
duke@435:   static const char* _java_vendor_url_bug;
duke@435: 
duke@435:   // sun.java.launcher, private property to provide information about
duke@435:   // java/gamma launcher
duke@435:   static const char* _sun_java_launcher;
duke@435: 
duke@435:   // sun.java.launcher.pid, private property
duke@435:   static int    _sun_java_launcher_pid;
duke@435: 
sla@2584:   // was this VM created by the gamma launcher
sla@2584:   static bool   _created_by_gamma_launcher;
sla@2584: 
duke@435:   // Option flags
duke@435:   static bool   _has_profile;
duke@435:   static bool   _has_alloc_profile;
duke@435:   static const char*  _gc_log_filename;
duke@435:   static uintx  _min_heap_size;
duke@435: 
duke@435:   // -Xrun arguments
duke@435:   static AgentLibraryList _libraryList;
duke@435:   static void add_init_library(const char* name, char* options)
duke@435:     { _libraryList.add(new AgentLibrary(name, options, false, NULL)); }
duke@435: 
duke@435:   // -agentlib and -agentpath arguments
duke@435:   static AgentLibraryList _agentList;
duke@435:   static void add_init_agent(const char* name, char* options, bool absolute_path)
duke@435:     { _agentList.add(new AgentLibrary(name, options, absolute_path, NULL)); }
duke@435: 
duke@435:   // Late-binding agents not started via arguments
duke@435:   static void add_loaded_agent(const char* name, char* options, bool absolute_path, void* os_lib)
duke@435:     { _agentList.add(new AgentLibrary(name, options, absolute_path, os_lib)); }
duke@435: 
duke@435:   // Operation modi
duke@435:   static Mode _mode;
duke@435:   static void set_mode_flags(Mode mode);
duke@435:   static bool _java_compiler;
duke@435:   static void set_java_compiler(bool arg) { _java_compiler = arg; }
duke@435:   static bool java_compiler()   { return _java_compiler; }
duke@435: 
duke@435:   // -Xdebug flag
duke@435:   static bool _xdebug_mode;
duke@435:   static void set_xdebug_mode(bool arg) { _xdebug_mode = arg; }
duke@435:   static bool xdebug_mode()             { return _xdebug_mode; }
duke@435: 
duke@435:   // Used to save default settings
duke@435:   static bool _AlwaysCompileLoopMethods;
duke@435:   static bool _UseOnStackReplacement;
duke@435:   static bool _BackgroundCompilation;
duke@435:   static bool _ClipInlining;
duke@435:   static bool _CIDynamicCompilePriority;
duke@435: 
iveresov@2138:   // Tiered
iveresov@2138:   static void set_tiered_flags();
duke@435:   // CMS/ParNew garbage collectors
duke@435:   static void set_parnew_gc_flags();
duke@435:   static void set_cms_and_parnew_gc_flags();
ysr@777:   // UseParallel[Old]GC
duke@435:   static void set_parallel_gc_flags();
ysr@777:   // Garbage-First (UseG1GC)
ysr@777:   static void set_g1_gc_flags();
duke@435:   // GC ergonomics
duke@435:   static void set_ergonomics_flags();
jcoomes@2644:   static void set_shared_spaces_flags();
phh@1499:   // Setup heap size
phh@1499:   static void set_heap_size();
duke@435:   // Based on automatic selection criteria, should the
duke@435:   // low pause collector be used.
duke@435:   static bool should_auto_select_low_pause_collector();
duke@435: 
duke@435:   // Bytecode rewriting
duke@435:   static void set_bytecode_flags();
duke@435: 
duke@435:   // Invocation API hooks
duke@435:   static abort_hook_t     _abort_hook;
duke@435:   static exit_hook_t      _exit_hook;
duke@435:   static vfprintf_hook_t  _vfprintf_hook;
duke@435: 
duke@435:   // System properties
duke@435:   static bool add_property(const char* prop);
duke@435: 
duke@435:   // Aggressive optimization flags.
duke@435:   static void set_aggressive_opts_flags();
duke@435: 
duke@435:   // Argument parsing
duke@435:   static void do_pd_flag_adjustments();
duke@435:   static bool parse_argument(const char* arg, FlagValueOrigin origin);
duke@435:   static bool process_argument(const char* arg, jboolean ignore_unrecognized, FlagValueOrigin origin);
duke@435:   static void process_java_launcher_argument(const char*, void*);
duke@435:   static void process_java_compiler_argument(char* arg);
duke@435:   static jint parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p);
duke@435:   static jint parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p);
duke@435:   static jint parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p);
duke@435:   static jint parse_vm_init_args(const JavaVMInitArgs* args);
duke@435:   static jint parse_each_vm_init_arg(const JavaVMInitArgs* args, SysClassPath* scp_p, bool* scp_assembly_required_p, FlagValueOrigin origin);
duke@435:   static jint finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required);
duke@435:   static bool is_bad_option(const JavaVMOption* option, jboolean ignore,
duke@435:     const char* option_type);
duke@435:   static bool is_bad_option(const JavaVMOption* option, jboolean ignore) {
duke@435:     return is_bad_option(option, ignore, NULL);
duke@435:   }
johnc@1679:   static bool verify_interval(uintx val, uintx min,
johnc@1679:                               uintx max, const char* name);
ptisnovs@2099:   static bool verify_min_value(intx val, intx min, const char* name);
duke@435:   static bool verify_percentage(uintx value, const char* name);
duke@435:   static void describe_range_error(ArgsRange errcode);
swamyv@924:   static ArgsRange check_memory_size(julong size, julong min_size);
swamyv@924:   static ArgsRange parse_memory_size(const char* s, julong* long_arg,
swamyv@924:                                      julong min_size);
jmasa@1719:   // Parse a string for a unsigned integer.  Returns true if value
jmasa@1719:   // is an unsigned integer greater than or equal to the minimum
jmasa@1719:   // parameter passed and returns the value in uintx_arg.  Returns
jmasa@1719:   // false otherwise, with uintx_arg undefined.
jmasa@1719:   static bool parse_uintx(const char* value, uintx* uintx_arg,
jmasa@1719:                           uintx min_size);
duke@435: 
duke@435:   // methods to build strings from individual args
duke@435:   static void build_jvm_args(const char* arg);
duke@435:   static void build_jvm_flags(const char* arg);
duke@435:   static void add_string(char*** bldarray, int* count, const char* arg);
duke@435:   static const char* build_resource_string(char** args, int count);
duke@435: 
duke@435:   static bool methodExists(
duke@435:     char* className, char* methodName,
duke@435:     int classesNum, char** classes, bool* allMethods,
duke@435:     int methodsNum, char** methods, bool* allClasses
duke@435:   );
duke@435: 
duke@435:   static void parseOnlyLine(
duke@435:     const char* line,
duke@435:     short* classesNum, short* classesMax, char*** classes, bool** allMethods,
duke@435:     short* methodsNum, short* methodsMax, char*** methods, bool** allClasses
duke@435:   );
duke@435: 
kamg@677:   // Returns true if the string s is in the list of flags that have recently
kamg@677:   // been made obsolete.  If we detect one of these flags on the command
kamg@677:   // line, instead of failing we print a warning message and ignore the
kamg@677:   // flag.  This gives the user a release or so to stop using the flag.
kamg@677:   static bool is_newly_obsolete(const char* s, JDK_Version* buffer);
duke@435: 
duke@435:   static short  CompileOnlyClassesNum;
duke@435:   static short  CompileOnlyClassesMax;
duke@435:   static char** CompileOnlyClasses;
duke@435:   static bool*  CompileOnlyAllMethods;
duke@435: 
duke@435:   static short  CompileOnlyMethodsNum;
duke@435:   static short  CompileOnlyMethodsMax;
duke@435:   static char** CompileOnlyMethods;
duke@435:   static bool*  CompileOnlyAllClasses;
duke@435: 
duke@435:   static short  InterpretOnlyClassesNum;
duke@435:   static short  InterpretOnlyClassesMax;
duke@435:   static char** InterpretOnlyClasses;
duke@435:   static bool*  InterpretOnlyAllMethods;
duke@435: 
duke@435:   static bool   CheckCompileOnly;
duke@435: 
duke@435:   static char*  SharedArchivePath;
duke@435: 
duke@435:  public:
duke@435:   // Parses the arguments
duke@435:   static jint parse(const JavaVMInitArgs* args);
brutisso@4296:   // Adjusts the arguments after the OS have adjusted the arguments
brutisso@4296:   static jint adjust_after_os();
jmasa@445:   // Check for consistency in the selection of the garbage collector.
jmasa@445:   static bool check_gc_consistency();
duke@435:   // Check consistecy or otherwise of VM argument settings
duke@435:   static bool check_vm_args_consistency();
ptisnovs@2099:   // Check stack pages settings
ptisnovs@2099:   static bool check_stack_pages();
duke@435:   // Used by os_solaris
duke@435:   static bool process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized);
duke@435: 
duke@435:   // return a char* array containing all options
duke@435:   static char** jvm_flags_array()          { return _jvm_flags_array; }
duke@435:   static char** jvm_args_array()           { return _jvm_args_array; }
duke@435:   static int num_jvm_flags()               { return _num_jvm_flags; }
duke@435:   static int num_jvm_args()                { return _num_jvm_args; }
duke@435:   // return the arguments passed to the Java application
duke@435:   static const char* java_command()        { return _java_command; }
duke@435: 
duke@435:   // print jvm_flags, jvm_args and java_command
duke@435:   static void print_on(outputStream* st);
duke@435: 
duke@435:   // convenient methods to obtain / print jvm_flags and jvm_args
duke@435:   static const char* jvm_flags()           { return build_resource_string(_jvm_flags_array, _num_jvm_flags); }
duke@435:   static const char* jvm_args()            { return build_resource_string(_jvm_args_array, _num_jvm_args); }
duke@435:   static void print_jvm_flags_on(outputStream* st);
duke@435:   static void print_jvm_args_on(outputStream* st);
duke@435: 
duke@435:   // -Dkey=value flags
duke@435:   static SystemProperty*  system_properties()   { return _system_properties; }
duke@435:   static const char*    get_property(const char* key);
duke@435: 
duke@435:   // -Djava.vendor.url.bug
duke@435:   static const char* java_vendor_url_bug()  { return _java_vendor_url_bug; }
duke@435: 
duke@435:   // -Dsun.java.launcher
duke@435:   static const char* sun_java_launcher()    { return _sun_java_launcher; }
duke@435:   // Was VM created by a Java launcher?
duke@435:   static bool created_by_java_launcher();
sla@2584:   // Was VM created by the gamma Java launcher?
sla@2584:   static bool created_by_gamma_launcher();
duke@435:   // -Dsun.java.launcher.pid
duke@435:   static int sun_java_launcher_pid()        { return _sun_java_launcher_pid; }
duke@435: 
duke@435:   // -Xloggc:<file>, if not specified will be NULL
duke@435:   static const char* gc_log_filename()      { return _gc_log_filename; }
duke@435: 
duke@435:   // -Xprof/-Xaprof
duke@435:   static bool has_profile()                 { return _has_profile; }
duke@435:   static bool has_alloc_profile()           { return _has_alloc_profile; }
duke@435: 
phh@1499:   // -Xms, -Xmx
duke@435:   static uintx min_heap_size()              { return _min_heap_size; }
duke@435:   static void  set_min_heap_size(uintx v)   { _min_heap_size = v;  }
duke@435: 
duke@435:   // -Xrun
duke@435:   static AgentLibrary* libraries()          { return _libraryList.first(); }
duke@435:   static bool init_libraries_at_startup()   { return !_libraryList.is_empty(); }
duke@435:   static void convert_library_to_agent(AgentLibrary* lib)
duke@435:                                             { _libraryList.remove(lib);
duke@435:                                               _agentList.add(lib); }
duke@435: 
duke@435:   // -agentlib -agentpath
duke@435:   static AgentLibrary* agents()             { return _agentList.first(); }
duke@435:   static bool init_agents_at_startup()      { return !_agentList.is_empty(); }
duke@435: 
duke@435:   // abort, exit, vfprintf hooks
duke@435:   static abort_hook_t    abort_hook()       { return _abort_hook; }
duke@435:   static exit_hook_t     exit_hook()        { return _exit_hook; }
duke@435:   static vfprintf_hook_t vfprintf_hook()    { return _vfprintf_hook; }
duke@435: 
duke@435:   static bool GetCheckCompileOnly ()        { return CheckCompileOnly; }
duke@435: 
duke@435:   static const char* GetSharedArchivePath() { return SharedArchivePath; }
duke@435: 
duke@435:   static bool CompileMethod(char* className, char* methodName) {
duke@435:     return
duke@435:       methodExists(
duke@435:         className, methodName,
duke@435:         CompileOnlyClassesNum, CompileOnlyClasses, CompileOnlyAllMethods,
duke@435:         CompileOnlyMethodsNum, CompileOnlyMethods, CompileOnlyAllClasses
duke@435:       );
duke@435:   }
duke@435: 
duke@435:   // Java launcher properties
duke@435:   static void process_sun_java_launcher_properties(JavaVMInitArgs* args);
duke@435: 
duke@435:   // System properties
duke@435:   static void init_system_properties();
duke@435: 
zgu@2219:   // Update/Initialize System properties after JDK version number is known
zgu@2219:   static void init_version_specific_system_properties();
zgu@2219: 
phh@1126:   // Property List manipulation
duke@435:   static void PropertyList_add(SystemProperty** plist, SystemProperty *element);
duke@435:   static void PropertyList_add(SystemProperty** plist, const char* k, char* v);
phh@1126:   static void PropertyList_unique_add(SystemProperty** plist, const char* k, char* v) {
phh@1126:     PropertyList_unique_add(plist, k, v, false);
phh@1126:   }
phh@1126:   static void PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append);
duke@435:   static const char* PropertyList_get_value(SystemProperty* plist, const char* key);
duke@435:   static int  PropertyList_count(SystemProperty* pl);
duke@435:   static const char* PropertyList_get_key_at(SystemProperty* pl,int index);
duke@435:   static char* PropertyList_get_value_at(SystemProperty* pl,int index);
duke@435: 
duke@435:   // Miscellaneous System property value getter and setters.
duke@435:   static void set_dll_dir(char *value) { _sun_boot_library_path->set_value(value); }
duke@435:   static void set_java_home(char *value) { _java_home->set_value(value); }
duke@435:   static void set_library_path(char *value) { _java_library_path->set_value(value); }
duke@435:   static void set_ext_dirs(char *value) { _java_ext_dirs->set_value(value); }
duke@435:   static void set_endorsed_dirs(char *value) { _java_endorsed_dirs->set_value(value); }
duke@435:   static void set_sysclasspath(char *value) { _sun_boot_class_path->set_value(value); }
duke@435:   static void append_sysclasspath(const char *value) { _sun_boot_class_path->append_value(value); }
duke@435:   static void set_meta_index_path(char* meta_index_path, char* meta_index_dir) {
duke@435:     _meta_index_path = meta_index_path;
duke@435:     _meta_index_dir  = meta_index_dir;
duke@435:   }
duke@435: 
duke@435:   static char *get_java_home() { return _java_home->value(); }
duke@435:   static char *get_dll_dir() { return _sun_boot_library_path->value(); }
duke@435:   static char *get_endorsed_dir() { return _java_endorsed_dirs->value(); }
duke@435:   static char *get_sysclasspath() { return _sun_boot_class_path->value(); }
duke@435:   static char* get_meta_index_path() { return _meta_index_path; }
duke@435:   static char* get_meta_index_dir()  { return _meta_index_dir;  }
duke@435: 
duke@435:   // Operation modi
duke@435:   static Mode mode()                        { return _mode; }
duke@435: 
duke@435:   // Utility: copies src into buf, replacing "%%" with "%" and "%p" with pid.
duke@435:   static bool copy_expand_pid(const char* src, size_t srclen, char* buf, size_t buflen);
duke@435: 
duke@435: #ifdef KERNEL
duke@435:   // For java kernel vm, return property string for kernel properties.
duke@435:   static char *get_kernel_properties();
duke@435: #endif // KERNEL
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_RUNTIME_ARGUMENTS_HPP