aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef SHARE_VM_RUNTIME_ARGUMENTS_HPP
aoqi@0: #define SHARE_VM_RUNTIME_ARGUMENTS_HPP
aoqi@0: 
aoqi@0: #include "runtime/java.hpp"
aoqi@0: #include "runtime/perfData.hpp"
aoqi@0: #include "utilities/debug.hpp"
aoqi@0: #include "utilities/top.hpp"
aoqi@0: 
aoqi@0: // Arguments parses the command line and recognizes options
aoqi@0: 
aoqi@0: // Invocation API hook typedefs (these should really be defined in jni.hpp)
aoqi@0: extern "C" {
aoqi@0:   typedef void (JNICALL *abort_hook_t)(void);
aoqi@0:   typedef void (JNICALL *exit_hook_t)(jint code);
aoqi@0:   typedef jint (JNICALL *vfprintf_hook_t)(FILE *fp, const char *format, va_list args)  ATTRIBUTE_PRINTF(2, 0);
aoqi@0: }
aoqi@0: 
aoqi@0: // Forward declarations
aoqi@0: 
aoqi@0: class SysClassPath;
aoqi@0: 
aoqi@0: // Element describing System and User (-Dkey=value flags) defined property.
aoqi@0: 
aoqi@0: class SystemProperty: public CHeapObj<mtInternal> {
aoqi@0:  private:
aoqi@0:   char*           _key;
aoqi@0:   char*           _value;
aoqi@0:   SystemProperty* _next;
aoqi@0:   bool            _writeable;
aoqi@0:   bool writeable()   { return _writeable; }
aoqi@0: 
aoqi@0:  public:
aoqi@0:   // Accessors
aoqi@0:   const char* key() const                   { return _key; }
aoqi@0:   char* value() const                       { return _value; }
aoqi@0:   SystemProperty* next() const              { return _next; }
aoqi@0:   void set_next(SystemProperty* next)       { _next = next; }
aoqi@0:   bool set_value(char *value) {
aoqi@0:     if (writeable()) {
aoqi@0:       if (_value != NULL) {
aoqi@0:         FreeHeap(_value);
aoqi@0:       }
aoqi@0:       _value = AllocateHeap(strlen(value)+1, mtInternal);
aoqi@0:       if (_value != NULL) {
aoqi@0:         strcpy(_value, value);
aoqi@0:       }
aoqi@0:       return true;
aoqi@0:     }
aoqi@0:     return false;
aoqi@0:   }
aoqi@0: 
aoqi@0:   void append_value(const char *value) {
aoqi@0:     char *sp;
aoqi@0:     size_t len = 0;
aoqi@0:     if (value != NULL) {
aoqi@0:       len = strlen(value);
aoqi@0:       if (_value != NULL) {
aoqi@0:         len += strlen(_value);
aoqi@0:       }
aoqi@0:       sp = AllocateHeap(len+2, mtInternal);
aoqi@0:       if (sp != NULL) {
aoqi@0:         if (_value != NULL) {
aoqi@0:           strcpy(sp, _value);
aoqi@0:           strcat(sp, os::path_separator());
aoqi@0:           strcat(sp, value);
aoqi@0:           FreeHeap(_value);
aoqi@0:         } else {
aoqi@0:           strcpy(sp, value);
aoqi@0:         }
aoqi@0:         _value = sp;
aoqi@0:       }
aoqi@0:     }
aoqi@0:   }
aoqi@0: 
aoqi@0:   // Constructor
aoqi@0:   SystemProperty(const char* key, const char* value, bool writeable) {
aoqi@0:     if (key == NULL) {
aoqi@0:       _key = NULL;
aoqi@0:     } else {
aoqi@0:       _key = AllocateHeap(strlen(key)+1, mtInternal);
aoqi@0:       strcpy(_key, key);
aoqi@0:     }
aoqi@0:     if (value == NULL) {
aoqi@0:       _value = NULL;
aoqi@0:     } else {
aoqi@0:       _value = AllocateHeap(strlen(value)+1, mtInternal);
aoqi@0:       strcpy(_value, value);
aoqi@0:     }
aoqi@0:     _next = NULL;
aoqi@0:     _writeable = writeable;
aoqi@0:   }
aoqi@0: };
aoqi@0: 
aoqi@0: 
aoqi@0: // For use by -agentlib, -agentpath and -Xrun
aoqi@0: class AgentLibrary : public CHeapObj<mtInternal> {
aoqi@0:   friend class AgentLibraryList;
aoqi@0: public:
aoqi@0:   // Is this library valid or not. Don't rely on os_lib == NULL as statically
aoqi@0:   // linked lib could have handle of RTLD_DEFAULT which == 0 on some platforms
aoqi@0:   enum AgentState {
aoqi@0:     agent_invalid = 0,
aoqi@0:     agent_valid   = 1
aoqi@0:   };
aoqi@0: 
aoqi@0:  private:
aoqi@0:   char*           _name;
aoqi@0:   char*           _options;
aoqi@0:   void*           _os_lib;
aoqi@0:   bool            _is_absolute_path;
aoqi@0:   bool            _is_static_lib;
aoqi@0:   AgentState      _state;
aoqi@0:   AgentLibrary*   _next;
aoqi@0: 
aoqi@0:  public:
aoqi@0:   // Accessors
aoqi@0:   const char* name() const                  { return _name; }
aoqi@0:   char* options() const                     { return _options; }
aoqi@0:   bool is_absolute_path() const             { return _is_absolute_path; }
aoqi@0:   void* os_lib() const                      { return _os_lib; }
aoqi@0:   void set_os_lib(void* os_lib)             { _os_lib = os_lib; }
aoqi@0:   AgentLibrary* next() const                { return _next; }
aoqi@0:   bool is_static_lib() const                { return _is_static_lib; }
aoqi@0:   void set_static_lib(bool is_static_lib)   { _is_static_lib = is_static_lib; }
aoqi@0:   bool valid()                              { return (_state == agent_valid); }
aoqi@0:   void set_valid()                          { _state = agent_valid; }
aoqi@0:   void set_invalid()                        { _state = agent_invalid; }
aoqi@0: 
aoqi@0:   // Constructor
aoqi@0:   AgentLibrary(const char* name, const char* options, bool is_absolute_path, void* os_lib) {
aoqi@0:     _name = AllocateHeap(strlen(name)+1, mtInternal);
aoqi@0:     strcpy(_name, name);
aoqi@0:     if (options == NULL) {
aoqi@0:       _options = NULL;
aoqi@0:     } else {
aoqi@0:       _options = AllocateHeap(strlen(options)+1, mtInternal);
aoqi@0:       strcpy(_options, options);
aoqi@0:     }
aoqi@0:     _is_absolute_path = is_absolute_path;
aoqi@0:     _os_lib = os_lib;
aoqi@0:     _next = NULL;
aoqi@0:     _state = agent_invalid;
aoqi@0:     _is_static_lib = false;
aoqi@0:   }
aoqi@0: };
aoqi@0: 
aoqi@0: // maintain an order of entry list of AgentLibrary
aoqi@0: class AgentLibraryList VALUE_OBJ_CLASS_SPEC {
aoqi@0:  private:
aoqi@0:   AgentLibrary*   _first;
aoqi@0:   AgentLibrary*   _last;
aoqi@0:  public:
aoqi@0:   bool is_empty() const                     { return _first == NULL; }
aoqi@0:   AgentLibrary* first() const               { return _first; }
aoqi@0: 
aoqi@0:   // add to the end of the list
aoqi@0:   void add(AgentLibrary* lib) {
aoqi@0:     if (is_empty()) {
aoqi@0:       _first = _last = lib;
aoqi@0:     } else {
aoqi@0:       _last->_next = lib;
aoqi@0:       _last = lib;
aoqi@0:     }
aoqi@0:     lib->_next = NULL;
aoqi@0:   }
aoqi@0: 
aoqi@0:   // search for and remove a library known to be in the list
aoqi@0:   void remove(AgentLibrary* lib) {
aoqi@0:     AgentLibrary* curr;
aoqi@0:     AgentLibrary* prev = NULL;
aoqi@0:     for (curr = first(); curr != NULL; prev = curr, curr = curr->next()) {
aoqi@0:       if (curr == lib) {
aoqi@0:         break;
aoqi@0:       }
aoqi@0:     }
aoqi@0:     assert(curr != NULL, "always should be found");
aoqi@0: 
aoqi@0:     if (curr != NULL) {
aoqi@0:       // it was found, by-pass this library
aoqi@0:       if (prev == NULL) {
aoqi@0:         _first = curr->_next;
aoqi@0:       } else {
aoqi@0:         prev->_next = curr->_next;
aoqi@0:       }
aoqi@0:       if (curr == _last) {
aoqi@0:         _last = prev;
aoqi@0:       }
aoqi@0:       curr->_next = NULL;
aoqi@0:     }
aoqi@0:   }
aoqi@0: 
aoqi@0:   AgentLibraryList() {
aoqi@0:     _first = NULL;
aoqi@0:     _last = NULL;
aoqi@0:   }
aoqi@0: };
aoqi@0: 
aoqi@0: 
aoqi@0: class Arguments : AllStatic {
aoqi@0:   friend class VMStructs;
aoqi@0:   friend class JvmtiExport;
aoqi@0:  public:
aoqi@0:   // Operation modi
aoqi@0:   enum Mode {
aoqi@0:     _int,       // corresponds to -Xint
aoqi@0:     _mixed,     // corresponds to -Xmixed
aoqi@0:     _comp       // corresponds to -Xcomp
aoqi@0:   };
aoqi@0: 
aoqi@0:   enum ArgsRange {
aoqi@0:     arg_unreadable = -3,
aoqi@0:     arg_too_small  = -2,
aoqi@0:     arg_too_big    = -1,
aoqi@0:     arg_in_range   = 0
aoqi@0:   };
aoqi@0: 
aoqi@0:  private:
aoqi@0: 
aoqi@0:   // an array containing all flags specified in the .hotspotrc file
aoqi@0:   static char** _jvm_flags_array;
aoqi@0:   static int    _num_jvm_flags;
aoqi@0:   // an array containing all jvm arguments specified in the command line
aoqi@0:   static char** _jvm_args_array;
aoqi@0:   static int    _num_jvm_args;
aoqi@0:   // string containing all java command (class/jarfile name and app args)
aoqi@0:   static char* _java_command;
aoqi@0: 
aoqi@0:   // Property list
aoqi@0:   static SystemProperty* _system_properties;
aoqi@0: 
aoqi@0:   // Quick accessor to System properties in the list:
aoqi@0:   static SystemProperty *_java_ext_dirs;
aoqi@0:   static SystemProperty *_java_endorsed_dirs;
aoqi@0:   static SystemProperty *_sun_boot_library_path;
aoqi@0:   static SystemProperty *_java_library_path;
aoqi@0:   static SystemProperty *_java_home;
aoqi@0:   static SystemProperty *_java_class_path;
aoqi@0:   static SystemProperty *_sun_boot_class_path;
aoqi@0: 
aoqi@0:   // Meta-index for knowing what packages are in the boot class path
aoqi@0:   static char* _meta_index_path;
aoqi@0:   static char* _meta_index_dir;
aoqi@0: 
aoqi@0:   // java.vendor.url.bug, bug reporting URL for fatal errors.
aoqi@0:   static const char* _java_vendor_url_bug;
aoqi@0: 
aoqi@0:   // sun.java.launcher, private property to provide information about
aoqi@0:   // java/gamma launcher
aoqi@0:   static const char* _sun_java_launcher;
aoqi@0: 
aoqi@0:   // sun.java.launcher.pid, private property
aoqi@0:   static int    _sun_java_launcher_pid;
aoqi@0: 
aoqi@0:   // was this VM created by the gamma launcher
aoqi@0:   static bool   _created_by_gamma_launcher;
aoqi@0: 
aoqi@0:   // Option flags
aoqi@0:   static bool   _has_profile;
aoqi@0:   static const char*  _gc_log_filename;
aoqi@0:   // Value of the conservative maximum heap alignment needed
aoqi@0:   static size_t  _conservative_max_heap_alignment;
aoqi@0: 
jwilhelm@7059:   static uintx _min_heap_size;
jwilhelm@7059: 
jwilhelm@7059:   // Used to store original flag values
jwilhelm@7059:   static uintx _min_heap_free_ratio;
jwilhelm@7059:   static uintx _max_heap_free_ratio;
aoqi@0: 
aoqi@0:   // -Xrun arguments
aoqi@0:   static AgentLibraryList _libraryList;
aoqi@0:   static void add_init_library(const char* name, char* options)
aoqi@0:     { _libraryList.add(new AgentLibrary(name, options, false, NULL)); }
aoqi@0: 
aoqi@0:   // -agentlib and -agentpath arguments
aoqi@0:   static AgentLibraryList _agentList;
aoqi@0:   static void add_init_agent(const char* name, char* options, bool absolute_path)
aoqi@0:     { _agentList.add(new AgentLibrary(name, options, absolute_path, NULL)); }
aoqi@0: 
aoqi@0:   // Late-binding agents not started via arguments
aoqi@0:   static void add_loaded_agent(AgentLibrary *agentLib)
aoqi@0:     { _agentList.add(agentLib); }
aoqi@0:   static void add_loaded_agent(const char* name, char* options, bool absolute_path, void* os_lib)
aoqi@0:     { _agentList.add(new AgentLibrary(name, options, absolute_path, os_lib)); }
aoqi@0: 
aoqi@0:   // Operation modi
aoqi@0:   static Mode _mode;
aoqi@0:   static void set_mode_flags(Mode mode);
aoqi@0:   static bool _java_compiler;
aoqi@0:   static void set_java_compiler(bool arg) { _java_compiler = arg; }
aoqi@0:   static bool java_compiler()   { return _java_compiler; }
aoqi@0: 
aoqi@0:   // -Xdebug flag
aoqi@0:   static bool _xdebug_mode;
aoqi@0:   static void set_xdebug_mode(bool arg) { _xdebug_mode = arg; }
aoqi@0:   static bool xdebug_mode()             { return _xdebug_mode; }
aoqi@0: 
aoqi@0:   // Used to save default settings
aoqi@0:   static bool _AlwaysCompileLoopMethods;
aoqi@0:   static bool _UseOnStackReplacement;
aoqi@0:   static bool _BackgroundCompilation;
aoqi@0:   static bool _ClipInlining;
aoqi@0:   static bool _CIDynamicCompilePriority;
aoqi@0: 
aoqi@0:   // Tiered
aoqi@0:   static void set_tiered_flags();
anoll@7311:   static int  get_min_number_of_compiler_threads();
aoqi@0:   // CMS/ParNew garbage collectors
aoqi@0:   static void set_parnew_gc_flags();
aoqi@0:   static void set_cms_and_parnew_gc_flags();
aoqi@0:   // UseParallel[Old]GC
aoqi@0:   static void set_parallel_gc_flags();
aoqi@0:   // Garbage-First (UseG1GC)
aoqi@0:   static void set_g1_gc_flags();
aoqi@0:   // GC ergonomics
aoqi@0:   static void set_conservative_max_heap_alignment();
aoqi@0:   static void set_use_compressed_oops();
aoqi@0:   static void set_use_compressed_klass_ptrs();
jcoomes@7117:   static void select_gc();
aoqi@0:   static void set_ergonomics_flags();
aoqi@0:   static void set_shared_spaces_flags();
aoqi@0:   // limits the given memory size by the maximum amount of memory this process is
aoqi@0:   // currently allowed to allocate or reserve.
aoqi@0:   static julong limit_by_allocatable_memory(julong size);
aoqi@0:   // Setup heap size
aoqi@0:   static void set_heap_size();
aoqi@0:   // Based on automatic selection criteria, should the
aoqi@0:   // low pause collector be used.
aoqi@0:   static bool should_auto_select_low_pause_collector();
aoqi@0: 
aoqi@0:   // Bytecode rewriting
aoqi@0:   static void set_bytecode_flags();
aoqi@0: 
aoqi@0:   // Invocation API hooks
aoqi@0:   static abort_hook_t     _abort_hook;
aoqi@0:   static exit_hook_t      _exit_hook;
aoqi@0:   static vfprintf_hook_t  _vfprintf_hook;
aoqi@0: 
aoqi@0:   // System properties
aoqi@0:   static bool add_property(const char* prop);
aoqi@0: 
aoqi@0:   // Aggressive optimization flags.
aoqi@0:   static void set_aggressive_opts_flags();
aoqi@0: 
aoqi@0:   // Argument parsing
aoqi@0:   static void do_pd_flag_adjustments();
aoqi@0:   static bool parse_argument(const char* arg, Flag::Flags origin);
aoqi@0:   static bool process_argument(const char* arg, jboolean ignore_unrecognized, Flag::Flags origin);
aoqi@0:   static void process_java_launcher_argument(const char*, void*);
aoqi@0:   static void process_java_compiler_argument(char* arg);
aoqi@0:   static jint parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p);
aoqi@0:   static jint parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p);
aoqi@0:   static jint parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p);
aoqi@0:   static jint parse_vm_init_args(const JavaVMInitArgs* args);
aoqi@0:   static jint parse_each_vm_init_arg(const JavaVMInitArgs* args, SysClassPath* scp_p, bool* scp_assembly_required_p, Flag::Flags origin);
aoqi@0:   static jint finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required);
aoqi@0:   static bool is_bad_option(const JavaVMOption* option, jboolean ignore, const char* option_type);
aoqi@0: 
aoqi@0:   static bool is_bad_option(const JavaVMOption* option, jboolean ignore) {
aoqi@0:     return is_bad_option(option, ignore, NULL);
aoqi@0:   }
aoqi@0: 
aoqi@0:   static bool is_percentage(uintx val) {
aoqi@0:     return val <= 100;
aoqi@0:   }
aoqi@0: 
aoqi@0:   static bool verify_interval(uintx val, uintx min,
aoqi@0:                               uintx max, const char* name);
aoqi@0:   static bool verify_min_value(intx val, intx min, const char* name);
aoqi@0:   static bool verify_percentage(uintx value, const char* name);
aoqi@0:   static void describe_range_error(ArgsRange errcode);
aoqi@0:   static ArgsRange check_memory_size(julong size, julong min_size);
aoqi@0:   static ArgsRange parse_memory_size(const char* s, julong* long_arg,
aoqi@0:                                      julong min_size);
aoqi@0:   // Parse a string for a unsigned integer.  Returns true if value
aoqi@0:   // is an unsigned integer greater than or equal to the minimum
aoqi@0:   // parameter passed and returns the value in uintx_arg.  Returns
aoqi@0:   // false otherwise, with uintx_arg undefined.
aoqi@0:   static bool parse_uintx(const char* value, uintx* uintx_arg,
aoqi@0:                           uintx min_size);
aoqi@0: 
aoqi@0:   // methods to build strings from individual args
aoqi@0:   static void build_jvm_args(const char* arg);
aoqi@0:   static void build_jvm_flags(const char* arg);
aoqi@0:   static void add_string(char*** bldarray, int* count, const char* arg);
aoqi@0:   static const char* build_resource_string(char** args, int count);
aoqi@0: 
aoqi@0:   static bool methodExists(
aoqi@0:     char* className, char* methodName,
aoqi@0:     int classesNum, char** classes, bool* allMethods,
aoqi@0:     int methodsNum, char** methods, bool* allClasses
aoqi@0:   );
aoqi@0: 
aoqi@0:   static void parseOnlyLine(
aoqi@0:     const char* line,
aoqi@0:     short* classesNum, short* classesMax, char*** classes, bool** allMethods,
aoqi@0:     short* methodsNum, short* methodsMax, char*** methods, bool** allClasses
aoqi@0:   );
aoqi@0: 
aoqi@0:   // Returns true if the string s is in the list of flags that have recently
aoqi@0:   // been made obsolete.  If we detect one of these flags on the command
aoqi@0:   // line, instead of failing we print a warning message and ignore the
aoqi@0:   // flag.  This gives the user a release or so to stop using the flag.
aoqi@0:   static bool is_newly_obsolete(const char* s, JDK_Version* buffer);
aoqi@0: 
aoqi@0:   static short  CompileOnlyClassesNum;
aoqi@0:   static short  CompileOnlyClassesMax;
aoqi@0:   static char** CompileOnlyClasses;
aoqi@0:   static bool*  CompileOnlyAllMethods;
aoqi@0: 
aoqi@0:   static short  CompileOnlyMethodsNum;
aoqi@0:   static short  CompileOnlyMethodsMax;
aoqi@0:   static char** CompileOnlyMethods;
aoqi@0:   static bool*  CompileOnlyAllClasses;
aoqi@0: 
aoqi@0:   static short  InterpretOnlyClassesNum;
aoqi@0:   static short  InterpretOnlyClassesMax;
aoqi@0:   static char** InterpretOnlyClasses;
aoqi@0:   static bool*  InterpretOnlyAllMethods;
aoqi@0: 
aoqi@0:   static bool   CheckCompileOnly;
aoqi@0: 
aoqi@0:   static char*  SharedArchivePath;
aoqi@0: 
aoqi@0:  public:
aoqi@0:   // Parses the arguments, first phase
aoqi@0:   static jint parse(const JavaVMInitArgs* args);
aoqi@0:   // Apply ergonomics
aoqi@0:   static jint apply_ergo();
aoqi@0:   // Adjusts the arguments after the OS have adjusted the arguments
aoqi@0:   static jint adjust_after_os();
aoqi@0: 
jwilhelm@7369:   static void set_gc_specific_flags();
jcoomes@7117:   static inline bool gc_selected(); // whether a gc has been selected
jcoomes@7117:   static void select_gc_ergonomically();
jcoomes@7117: 
aoqi@0:   // Verifies that the given value will fit as a MinHeapFreeRatio. If not, an error
aoqi@0:   // message is returned in the provided buffer.
aoqi@0:   static bool verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio);
aoqi@0: 
aoqi@0:   // Verifies that the given value will fit as a MaxHeapFreeRatio. If not, an error
aoqi@0:   // message is returned in the provided buffer.
aoqi@0:   static bool verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio);
aoqi@0: 
aoqi@0:   // Check for consistency in the selection of the garbage collector.
sjohanss@7611:   static bool check_gc_consistency();        // Check user-selected gc
aoqi@0:   static void check_deprecated_gcs();
aoqi@0:   static void check_deprecated_gc_flags();
aoqi@0:   // Check consistecy or otherwise of VM argument settings
aoqi@0:   static bool check_vm_args_consistency();
aoqi@0:   // Check stack pages settings
aoqi@0:   static bool check_stack_pages();
aoqi@0:   // Used by os_solaris
aoqi@0:   static bool process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized);
aoqi@0: 
aoqi@0:   static size_t conservative_max_heap_alignment() { return _conservative_max_heap_alignment; }
aoqi@0:   // Return the maximum size a heap with compressed oops can take
aoqi@0:   static size_t max_heap_for_compressed_oops();
aoqi@0: 
aoqi@0:   // return a char* array containing all options
aoqi@0:   static char** jvm_flags_array()          { return _jvm_flags_array; }
aoqi@0:   static char** jvm_args_array()           { return _jvm_args_array; }
aoqi@0:   static int num_jvm_flags()               { return _num_jvm_flags; }
aoqi@0:   static int num_jvm_args()                { return _num_jvm_args; }
aoqi@0:   // return the arguments passed to the Java application
aoqi@0:   static const char* java_command()        { return _java_command; }
aoqi@0: 
aoqi@0:   // print jvm_flags, jvm_args and java_command
aoqi@0:   static void print_on(outputStream* st);
aoqi@0: 
aoqi@0:   // convenient methods to obtain / print jvm_flags and jvm_args
aoqi@0:   static const char* jvm_flags()           { return build_resource_string(_jvm_flags_array, _num_jvm_flags); }
aoqi@0:   static const char* jvm_args()            { return build_resource_string(_jvm_args_array, _num_jvm_args); }
aoqi@0:   static void print_jvm_flags_on(outputStream* st);
aoqi@0:   static void print_jvm_args_on(outputStream* st);
aoqi@0: 
aoqi@0:   // -Dkey=value flags
aoqi@0:   static SystemProperty*  system_properties()   { return _system_properties; }
aoqi@0:   static const char*    get_property(const char* key);
aoqi@0: 
aoqi@0:   // -Djava.vendor.url.bug
aoqi@0:   static const char* java_vendor_url_bug()  { return _java_vendor_url_bug; }
aoqi@0: 
aoqi@0:   // -Dsun.java.launcher
aoqi@0:   static const char* sun_java_launcher()    { return _sun_java_launcher; }
aoqi@0:   // Was VM created by a Java launcher?
aoqi@0:   static bool created_by_java_launcher();
aoqi@0:   // Was VM created by the gamma Java launcher?
aoqi@0:   static bool created_by_gamma_launcher();
aoqi@0:   // -Dsun.java.launcher.pid
aoqi@0:   static int sun_java_launcher_pid()        { return _sun_java_launcher_pid; }
aoqi@0: 
aoqi@0:   // -Xloggc:<file>, if not specified will be NULL
aoqi@0:   static const char* gc_log_filename()      { return _gc_log_filename; }
aoqi@0: 
aoqi@0:   // -Xprof
aoqi@0:   static bool has_profile()                 { return _has_profile; }
aoqi@0: 
aoqi@0:   // -Xms, -Xmx
aoqi@0:   static uintx min_heap_size()              { return _min_heap_size; }
aoqi@0:   static void  set_min_heap_size(uintx v)   { _min_heap_size = v;  }
aoqi@0: 
jwilhelm@7059:   // Returns the original values of -XX:MinHeapFreeRatio and -XX:MaxHeapFreeRatio
jwilhelm@7059:   static uintx min_heap_free_ratio()        { return _min_heap_free_ratio; }
jwilhelm@7059:   static uintx max_heap_free_ratio()        { return _max_heap_free_ratio; }
jwilhelm@7059: 
aoqi@0:   // -Xrun
aoqi@0:   static AgentLibrary* libraries()          { return _libraryList.first(); }
aoqi@0:   static bool init_libraries_at_startup()   { return !_libraryList.is_empty(); }
aoqi@0:   static void convert_library_to_agent(AgentLibrary* lib)
aoqi@0:                                             { _libraryList.remove(lib);
aoqi@0:                                               _agentList.add(lib); }
aoqi@0: 
aoqi@0:   // -agentlib -agentpath
aoqi@0:   static AgentLibrary* agents()             { return _agentList.first(); }
aoqi@0:   static bool init_agents_at_startup()      { return !_agentList.is_empty(); }
aoqi@0: 
aoqi@0:   // abort, exit, vfprintf hooks
aoqi@0:   static abort_hook_t    abort_hook()       { return _abort_hook; }
aoqi@0:   static exit_hook_t     exit_hook()        { return _exit_hook; }
aoqi@0:   static vfprintf_hook_t vfprintf_hook()    { return _vfprintf_hook; }
aoqi@0: 
aoqi@0:   static bool GetCheckCompileOnly ()        { return CheckCompileOnly; }
aoqi@0: 
aoqi@0:   static const char* GetSharedArchivePath() { return SharedArchivePath; }
aoqi@0: 
aoqi@0:   static bool CompileMethod(char* className, char* methodName) {
aoqi@0:     return
aoqi@0:       methodExists(
aoqi@0:         className, methodName,
aoqi@0:         CompileOnlyClassesNum, CompileOnlyClasses, CompileOnlyAllMethods,
aoqi@0:         CompileOnlyMethodsNum, CompileOnlyMethods, CompileOnlyAllClasses
aoqi@0:       );
aoqi@0:   }
aoqi@0: 
aoqi@0:   // Java launcher properties
aoqi@0:   static void process_sun_java_launcher_properties(JavaVMInitArgs* args);
aoqi@0: 
aoqi@0:   // System properties
aoqi@0:   static void init_system_properties();
aoqi@0: 
aoqi@0:   // Update/Initialize System properties after JDK version number is known
aoqi@0:   static void init_version_specific_system_properties();
aoqi@0: 
aoqi@0:   // Property List manipulation
aoqi@0:   static void PropertyList_add(SystemProperty** plist, SystemProperty *element);
aoqi@0:   static void PropertyList_add(SystemProperty** plist, const char* k, char* v);
aoqi@0:   static void PropertyList_unique_add(SystemProperty** plist, const char* k, char* v) {
aoqi@0:     PropertyList_unique_add(plist, k, v, false);
aoqi@0:   }
aoqi@0:   static void PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append);
aoqi@0:   static const char* PropertyList_get_value(SystemProperty* plist, const char* key);
aoqi@0:   static int  PropertyList_count(SystemProperty* pl);
aoqi@0:   static const char* PropertyList_get_key_at(SystemProperty* pl,int index);
aoqi@0:   static char* PropertyList_get_value_at(SystemProperty* pl,int index);
aoqi@0: 
aoqi@0:   // Miscellaneous System property value getter and setters.
aoqi@0:   static void set_dll_dir(char *value) { _sun_boot_library_path->set_value(value); }
aoqi@0:   static void set_java_home(char *value) { _java_home->set_value(value); }
aoqi@0:   static void set_library_path(char *value) { _java_library_path->set_value(value); }
aoqi@0:   static void set_ext_dirs(char *value) { _java_ext_dirs->set_value(value); }
aoqi@0:   static void set_endorsed_dirs(char *value) { _java_endorsed_dirs->set_value(value); }
aoqi@0:   static void set_sysclasspath(char *value) { _sun_boot_class_path->set_value(value); }
aoqi@0:   static void append_sysclasspath(const char *value) { _sun_boot_class_path->append_value(value); }
aoqi@0:   static void set_meta_index_path(char* meta_index_path, char* meta_index_dir) {
aoqi@0:     _meta_index_path = meta_index_path;
aoqi@0:     _meta_index_dir  = meta_index_dir;
aoqi@0:   }
aoqi@0: 
iklam@7089:   static char* get_java_home() { return _java_home->value(); }
iklam@7089:   static char* get_dll_dir() { return _sun_boot_library_path->value(); }
iklam@7089:   static char* get_endorsed_dir() { return _java_endorsed_dirs->value(); }
iklam@7089:   static char* get_sysclasspath() { return _sun_boot_class_path->value(); }
aoqi@0:   static char* get_meta_index_path() { return _meta_index_path; }
aoqi@0:   static char* get_meta_index_dir()  { return _meta_index_dir;  }
iklam@7089:   static char* get_ext_dirs() { return _java_ext_dirs->value(); }
iklam@7089:   static char* get_appclasspath() { return _java_class_path->value(); }
iklam@7089:   static void  fix_appclasspath();
aoqi@0: 
aoqi@0:   // Operation modi
iveresov@7172:   static Mode mode()                { return _mode; }
iveresov@7172:   static bool is_interpreter_only() { return mode() == _int; }
iveresov@7172: 
aoqi@0: 
aoqi@0:   // Utility: copies src into buf, replacing "%%" with "%" and "%p" with pid.
aoqi@0:   static bool copy_expand_pid(const char* src, size_t srclen, char* buf, size_t buflen);
aoqi@0: };
aoqi@0: 
jcoomes@7117: bool Arguments::gc_selected() {
jcoomes@7117:   return UseConcMarkSweepGC || UseG1GC || UseParallelGC || UseParallelOldGC ||
jcoomes@7117:     UseParNewGC || UseSerialGC;
jcoomes@7117: }
jcoomes@7122: 
aoqi@0: #endif // SHARE_VM_RUNTIME_ARGUMENTS_HPP