| /* |
| * Copyright (c) 1997, 2020, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_RUNTIME_ARGUMENTS_HPP |
| #define SHARE_RUNTIME_ARGUMENTS_HPP |
| |
| #include "logging/logLevel.hpp" |
| #include "logging/logTag.hpp" |
| #include "memory/allocation.hpp" |
| #include "runtime/flags/jvmFlag.hpp" |
| #include "runtime/java.hpp" |
| #include "runtime/os.hpp" |
| #include "runtime/perfData.hpp" |
| #include "utilities/debug.hpp" |
| |
| // Arguments parses the command line and recognizes options |
| |
| // Invocation API hook typedefs (these should really be defined in jni.h) |
| extern "C" { |
| typedef void (JNICALL *abort_hook_t)(void); |
| typedef void (JNICALL *exit_hook_t)(jint code); |
| typedef jint (JNICALL *vfprintf_hook_t)(FILE *fp, const char *format, va_list args) ATTRIBUTE_PRINTF(2, 0); |
| } |
| |
| // Obsolete or deprecated -XX flag. |
| struct SpecialFlag { |
| const char* name; |
| JDK_Version deprecated_in; // When the deprecation warning started (or "undefined"). |
| JDK_Version obsolete_in; // When the obsolete warning started (or "undefined"). |
| JDK_Version expired_in; // When the option expires (or "undefined"). |
| }; |
| |
| // PathString is used as: |
| // - the underlying value for a SystemProperty |
| // - the path portion of an --patch-module module/path pair |
| // - the string that represents the system boot class path, Arguments::_system_boot_class_path. |
| class PathString : public CHeapObj<mtArguments> { |
| protected: |
| char* _value; |
| public: |
| char* value() const { return _value; } |
| |
| bool set_value(const char *value); |
| void append_value(const char *value); |
| |
| PathString(const char* value); |
| ~PathString(); |
| }; |
| |
| // ModulePatchPath records the module/path pair as specified to --patch-module. |
| class ModulePatchPath : public CHeapObj<mtInternal> { |
| private: |
| char* _module_name; |
| PathString* _path; |
| public: |
| ModulePatchPath(const char* module_name, const char* path); |
| ~ModulePatchPath(); |
| |
| inline void set_path(const char* path) { _path->set_value(path); } |
| inline const char* module_name() const { return _module_name; } |
| inline char* path_string() const { return _path->value(); } |
| }; |
| |
| // Element describing System and User (-Dkey=value flags) defined property. |
| // |
| // An internal SystemProperty is one that has been removed in |
| // jdk.internal.VM.saveAndRemoveProperties, like jdk.boot.class.path.append. |
| // |
| class SystemProperty : public PathString { |
| private: |
| char* _key; |
| SystemProperty* _next; |
| bool _internal; |
| bool _writeable; |
| bool writeable() { return _writeable; } |
| |
| public: |
| // Accessors |
| char* value() const { return PathString::value(); } |
| const char* key() const { return _key; } |
| bool internal() const { return _internal; } |
| SystemProperty* next() const { return _next; } |
| void set_next(SystemProperty* next) { _next = next; } |
| |
| bool is_readable() const { |
| return !_internal || strcmp(_key, "jdk.boot.class.path.append") == 0; |
| } |
| |
| // A system property should only have its value set |
| // via an external interface if it is a writeable property. |
| // The internal, non-writeable property jdk.boot.class.path.append |
| // is the only exception to this rule. It can be set externally |
| // via -Xbootclasspath/a or JVMTI OnLoad phase call to AddToBootstrapClassLoaderSearch. |
| // In those cases for jdk.boot.class.path.append, the base class |
| // set_value and append_value methods are called directly. |
| bool set_writeable_value(const char *value) { |
| if (writeable()) { |
| return set_value(value); |
| } |
| return false; |
| } |
| void append_writeable_value(const char *value) { |
| if (writeable()) { |
| append_value(value); |
| } |
| } |
| |
| // Constructor |
| SystemProperty(const char* key, const char* value, bool writeable, bool internal = false); |
| }; |
| |
| |
| // For use by -agentlib, -agentpath and -Xrun |
| class AgentLibrary : public CHeapObj<mtArguments> { |
| friend class AgentLibraryList; |
| public: |
| // Is this library valid or not. Don't rely on os_lib == NULL as statically |
| // linked lib could have handle of RTLD_DEFAULT which == 0 on some platforms |
| enum AgentState { |
| agent_invalid = 0, |
| agent_valid = 1 |
| }; |
| |
| private: |
| char* _name; |
| char* _options; |
| void* _os_lib; |
| bool _is_absolute_path; |
| bool _is_static_lib; |
| bool _is_instrument_lib; |
| AgentState _state; |
| AgentLibrary* _next; |
| |
| public: |
| // Accessors |
| const char* name() const { return _name; } |
| char* options() const { return _options; } |
| bool is_absolute_path() const { return _is_absolute_path; } |
| void* os_lib() const { return _os_lib; } |
| void set_os_lib(void* os_lib) { _os_lib = os_lib; } |
| AgentLibrary* next() const { return _next; } |
| bool is_static_lib() const { return _is_static_lib; } |
| bool is_instrument_lib() const { return _is_instrument_lib; } |
| void set_static_lib(bool is_static_lib) { _is_static_lib = is_static_lib; } |
| bool valid() { return (_state == agent_valid); } |
| void set_valid() { _state = agent_valid; } |
| void set_invalid() { _state = agent_invalid; } |
| |
| // Constructor |
| AgentLibrary(const char* name, const char* options, bool is_absolute_path, |
| void* os_lib, bool instrument_lib=false); |
| }; |
| |
| // maintain an order of entry list of AgentLibrary |
| class AgentLibraryList { |
| private: |
| AgentLibrary* _first; |
| AgentLibrary* _last; |
| public: |
| bool is_empty() const { return _first == NULL; } |
| AgentLibrary* first() const { return _first; } |
| |
| // add to the end of the list |
| void add(AgentLibrary* lib) { |
| if (is_empty()) { |
| _first = _last = lib; |
| } else { |
| _last->_next = lib; |
| _last = lib; |
| } |
| lib->_next = NULL; |
| } |
| |
| // search for and remove a library known to be in the list |
| void remove(AgentLibrary* lib) { |
| AgentLibrary* curr; |
| AgentLibrary* prev = NULL; |
| for (curr = first(); curr != NULL; prev = curr, curr = curr->next()) { |
| if (curr == lib) { |
| break; |
| } |
| } |
| assert(curr != NULL, "always should be found"); |
| |
| if (curr != NULL) { |
| // it was found, by-pass this library |
| if (prev == NULL) { |
| _first = curr->_next; |
| } else { |
| prev->_next = curr->_next; |
| } |
| if (curr == _last) { |
| _last = prev; |
| } |
| curr->_next = NULL; |
| } |
| } |
| |
| AgentLibraryList() { |
| _first = NULL; |
| _last = NULL; |
| } |
| }; |
| |
| // Helper class for controlling the lifetime of JavaVMInitArgs objects. |
| class ScopedVMInitArgs; |
| |
| // Most logging functions require 5 tags. Some of them may be _NO_TAG. |
| typedef struct { |
| const char* alias_name; |
| LogLevelType level; |
| bool exactMatch; |
| LogTagType tag0; |
| LogTagType tag1; |
| LogTagType tag2; |
| LogTagType tag3; |
| LogTagType tag4; |
| LogTagType tag5; |
| } AliasedLoggingFlag; |
| |
| class Arguments : AllStatic { |
| friend class VMStructs; |
| friend class JvmtiExport; |
| friend class CodeCacheExtensions; |
| friend class ArgumentsTest; |
| public: |
| // Operation modi |
| enum Mode { |
| _int, // corresponds to -Xint |
| _mixed, // corresponds to -Xmixed |
| _comp // corresponds to -Xcomp |
| }; |
| |
| enum ArgsRange { |
| arg_unreadable = -3, |
| arg_too_small = -2, |
| arg_too_big = -1, |
| arg_in_range = 0 |
| }; |
| |
| enum PropertyAppendable { |
| AppendProperty, |
| AddProperty |
| }; |
| |
| enum PropertyWriteable { |
| WriteableProperty, |
| UnwriteableProperty |
| }; |
| |
| enum PropertyInternal { |
| InternalProperty, |
| ExternalProperty |
| }; |
| |
| private: |
| |
| // a pointer to the flags file name if it is specified |
| static char* _jvm_flags_file; |
| // an array containing all flags specified in the .hotspotrc file |
| static char** _jvm_flags_array; |
| static int _num_jvm_flags; |
| // an array containing all jvm arguments specified in the command line |
| static char** _jvm_args_array; |
| static int _num_jvm_args; |
| // string containing all java command (class/jarfile name and app args) |
| static char* _java_command; |
| |
| // Property list |
| static SystemProperty* _system_properties; |
| |
| // Quick accessor to System properties in the list: |
| static SystemProperty *_sun_boot_library_path; |
| static SystemProperty *_java_library_path; |
| static SystemProperty *_java_home; |
| static SystemProperty *_java_class_path; |
| static SystemProperty *_jdk_boot_class_path_append; |
| static SystemProperty *_vm_info; |
| |
| // --patch-module=module=<file>(<pathsep><file>)* |
| // Each element contains the associated module name, path |
| // string pair as specified to --patch-module. |
| static GrowableArray<ModulePatchPath*>* _patch_mod_prefix; |
| |
| // The constructed value of the system class path after |
| // argument processing and JVMTI OnLoad additions via |
| // calls to AddToBootstrapClassLoaderSearch. This is the |
| // final form before ClassLoader::setup_bootstrap_search(). |
| // Note: since --patch-module is a module name/path pair, the |
| // system boot class path string no longer contains the "prefix" |
| // to the boot class path base piece as it did when |
| // -Xbootclasspath/p was supported. |
| static PathString *_system_boot_class_path; |
| |
| // Set if a modular java runtime image is present vs. a build with exploded modules |
| static bool _has_jimage; |
| |
| // temporary: to emit warning if the default ext dirs are not empty. |
| // remove this variable when the warning is no longer needed. |
| static char* _ext_dirs; |
| |
| // java.vendor.url.bug, bug reporting URL for fatal errors. |
| static const char* _java_vendor_url_bug; |
| |
| // sun.java.launcher, private property to provide information about |
| // java launcher |
| static const char* _sun_java_launcher; |
| |
| // was this VM created via the -XXaltjvm=<path> option |
| static bool _sun_java_launcher_is_altjvm; |
| |
| // Option flags |
| static const char* _gc_log_filename; |
| // Value of the conservative maximum heap alignment needed |
| static size_t _conservative_max_heap_alignment; |
| |
| // -Xrun arguments |
| static AgentLibraryList _libraryList; |
| static void add_init_library(const char* name, char* options); |
| |
| // -agentlib and -agentpath arguments |
| static AgentLibraryList _agentList; |
| static void add_init_agent(const char* name, char* options, bool absolute_path); |
| static void add_instrument_agent(const char* name, char* options, bool absolute_path); |
| |
| // Late-binding agents not started via arguments |
| static void add_loaded_agent(AgentLibrary *agentLib); |
| |
| // Operation modi |
| static Mode _mode; |
| static void set_mode_flags(Mode mode); |
| static bool _java_compiler; |
| static void set_java_compiler(bool arg) { _java_compiler = arg; } |
| static bool java_compiler() { return _java_compiler; } |
| |
| // -Xdebug flag |
| static bool _xdebug_mode; |
| static void set_xdebug_mode(bool arg) { _xdebug_mode = arg; } |
| static bool xdebug_mode() { return _xdebug_mode; } |
| |
| // preview features |
| static bool _enable_preview; |
| |
| // Used to save default settings |
| static bool _AlwaysCompileLoopMethods; |
| static bool _UseOnStackReplacement; |
| static bool _BackgroundCompilation; |
| static bool _ClipInlining; |
| static intx _Tier3InvokeNotifyFreqLog; |
| static intx _Tier4InvocationThreshold; |
| |
| // GC ergonomics |
| static void set_conservative_max_heap_alignment(); |
| static void set_use_compressed_oops(); |
| static void set_use_compressed_klass_ptrs(); |
| static jint set_ergonomics_flags(); |
| static jint set_shared_spaces_flags_and_archive_paths(); |
| // limits the given memory size by the maximum amount of memory this process is |
| // currently allowed to allocate or reserve. |
| static julong limit_by_allocatable_memory(julong size); |
| // Setup heap size |
| static void set_heap_size(); |
| |
| // Bytecode rewriting |
| static void set_bytecode_flags(); |
| |
| // Invocation API hooks |
| static abort_hook_t _abort_hook; |
| static exit_hook_t _exit_hook; |
| static vfprintf_hook_t _vfprintf_hook; |
| |
| // System properties |
| static bool add_property(const char* prop, PropertyWriteable writeable=WriteableProperty, |
| PropertyInternal internal=ExternalProperty); |
| |
| // Used for module system related properties: converted from command-line flags. |
| // Basic properties are writeable as they operate as "last one wins" and will get overwritten. |
| // Numbered properties are never writeable, and always internal. |
| static bool create_module_property(const char* prop_name, const char* prop_value, PropertyInternal internal); |
| static bool create_numbered_module_property(const char* prop_base_name, const char* prop_value, unsigned int count); |
| |
| static int process_patch_mod_option(const char* patch_mod_tail, bool* patch_mod_javabase); |
| |
| // Aggressive optimization flags. |
| static jint set_aggressive_opts_flags(); |
| |
| static jint set_aggressive_heap_flags(); |
| |
| // Argument parsing |
| static void do_pd_flag_adjustments(); |
| static bool parse_argument(const char* arg, JVMFlag::Flags origin); |
| static bool process_argument(const char* arg, jboolean ignore_unrecognized, JVMFlag::Flags origin); |
| static void process_java_launcher_argument(const char*, void*); |
| static void process_java_compiler_argument(const char* arg); |
| static jint parse_options_environment_variable(const char* name, ScopedVMInitArgs* vm_args); |
| static jint parse_java_tool_options_environment_variable(ScopedVMInitArgs* vm_args); |
| static jint parse_java_options_environment_variable(ScopedVMInitArgs* vm_args); |
| static jint parse_vm_options_file(const char* file_name, ScopedVMInitArgs* vm_args); |
| static jint parse_options_buffer(const char* name, char* buffer, const size_t buf_len, ScopedVMInitArgs* vm_args); |
| static jint parse_xss(const JavaVMOption* option, const char* tail, intx* out_ThreadStackSize); |
| static jint insert_vm_options_file(const JavaVMInitArgs* args, |
| const char* vm_options_file, |
| const int vm_options_file_pos, |
| ScopedVMInitArgs* vm_options_file_args, |
| ScopedVMInitArgs* args_out); |
| static bool args_contains_vm_options_file_arg(const JavaVMInitArgs* args); |
| static jint expand_vm_options_as_needed(const JavaVMInitArgs* args_in, |
| ScopedVMInitArgs* mod_args, |
| JavaVMInitArgs** args_out); |
| static jint match_special_option_and_act(const JavaVMInitArgs* args, |
| ScopedVMInitArgs* args_out); |
| |
| static bool handle_deprecated_print_gc_flags(); |
| |
| static jint parse_vm_init_args(const JavaVMInitArgs *vm_options_args, |
| const JavaVMInitArgs *java_tool_options_args, |
| const JavaVMInitArgs *java_options_args, |
| const JavaVMInitArgs *cmd_line_args); |
| static jint parse_each_vm_init_arg(const JavaVMInitArgs* args, bool* patch_mod_javabase, JVMFlag::Flags origin); |
| static jint finalize_vm_init_args(bool patch_mod_javabase); |
| static bool is_bad_option(const JavaVMOption* option, jboolean ignore, const char* option_type); |
| |
| static bool is_bad_option(const JavaVMOption* option, jboolean ignore) { |
| return is_bad_option(option, ignore, NULL); |
| } |
| |
| static void describe_range_error(ArgsRange errcode); |
| static ArgsRange check_memory_size(julong size, julong min_size, julong max_size); |
| static ArgsRange parse_memory_size(const char* s, julong* long_arg, |
| julong min_size, julong max_size = max_uintx); |
| // Parse a string for a unsigned integer. Returns true if value |
| // is an unsigned integer greater than or equal to the minimum |
| // parameter passed and returns the value in uintx_arg. Returns |
| // false otherwise, with uintx_arg undefined. |
| static bool parse_uintx(const char* value, uintx* uintx_arg, |
| uintx min_size); |
| |
| // methods to build strings from individual args |
| static void build_jvm_args(const char* arg); |
| static void build_jvm_flags(const char* arg); |
| static void add_string(char*** bldarray, int* count, const char* arg); |
| static const char* build_resource_string(char** args, int count); |
| |
| // Returns true if the flag is obsolete (and not yet expired). |
| // In this case the 'version' buffer is filled in with |
| // the version number when the flag became obsolete. |
| static bool is_obsolete_flag(const char* flag_name, JDK_Version* version); |
| |
| #ifndef PRODUCT |
| static const char* removed_develop_logging_flag_name(const char* name); |
| #endif // PRODUCT |
| |
| // Returns 1 if the flag is deprecated (and not yet obsolete or expired). |
| // In this case the 'version' buffer is filled in with the version number when |
| // the flag became deprecated. |
| // Returns -1 if the flag is expired or obsolete. |
| // Returns 0 otherwise. |
| static int is_deprecated_flag(const char* flag_name, JDK_Version* version); |
| |
| // Return the real name for the flag passed on the command line (either an alias name or "flag_name"). |
| static const char* real_flag_name(const char *flag_name); |
| |
| // Return the "real" name for option arg if arg is an alias, and print a warning if arg is deprecated. |
| // Return NULL if the arg has expired. |
| static const char* handle_aliases_and_deprecation(const char* arg, bool warn); |
| static bool lookup_logging_aliases(const char* arg, char* buffer); |
| static AliasedLoggingFlag catch_logging_aliases(const char* name, bool on); |
| |
| static char* SharedArchivePath; |
| static char* SharedDynamicArchivePath; |
| static size_t _default_SharedBaseAddress; // The default value specified in globals.hpp |
| static int num_archives(const char* archive_path) NOT_CDS_RETURN_(0); |
| static void extract_shared_archive_paths(const char* archive_path, |
| char** base_archive_path, |
| char** top_archive_path) NOT_CDS_RETURN; |
| |
| public: |
| // Parses the arguments, first phase |
| static jint parse(const JavaVMInitArgs* args); |
| // Apply ergonomics |
| static jint apply_ergo(); |
| // Adjusts the arguments after the OS have adjusted the arguments |
| static jint adjust_after_os(); |
| |
| // Check for consistency in the selection of the garbage collector. |
| static bool check_gc_consistency(); // Check user-selected gc |
| // Check consistency or otherwise of VM argument settings |
| static bool check_vm_args_consistency(); |
| // Used by os_solaris |
| static bool process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized); |
| |
| static size_t conservative_max_heap_alignment() { return _conservative_max_heap_alignment; } |
| // Return the maximum size a heap with compressed oops can take |
| static size_t max_heap_for_compressed_oops(); |
| |
| // return a char* array containing all options |
| static char** jvm_flags_array() { return _jvm_flags_array; } |
| static char** jvm_args_array() { return _jvm_args_array; } |
| static int num_jvm_flags() { return _num_jvm_flags; } |
| static int num_jvm_args() { return _num_jvm_args; } |
| // return the arguments passed to the Java application |
| static const char* java_command() { return _java_command; } |
| |
| // print jvm_flags, jvm_args and java_command |
| static void print_on(outputStream* st); |
| static void print_summary_on(outputStream* st); |
| |
| // convenient methods to get and set jvm_flags_file |
| static const char* get_jvm_flags_file() { return _jvm_flags_file; } |
| static void set_jvm_flags_file(const char *value) { |
| if (_jvm_flags_file != NULL) { |
| os::free(_jvm_flags_file); |
| } |
| _jvm_flags_file = os::strdup_check_oom(value); |
| } |
| // convenient methods to obtain / print jvm_flags and jvm_args |
| static const char* jvm_flags() { return build_resource_string(_jvm_flags_array, _num_jvm_flags); } |
| static const char* jvm_args() { return build_resource_string(_jvm_args_array, _num_jvm_args); } |
| static void print_jvm_flags_on(outputStream* st); |
| static void print_jvm_args_on(outputStream* st); |
| |
| // -Dkey=value flags |
| static SystemProperty* system_properties() { return _system_properties; } |
| static const char* get_property(const char* key); |
| |
| // -Djava.vendor.url.bug |
| static const char* java_vendor_url_bug() { return _java_vendor_url_bug; } |
| |
| // -Dsun.java.launcher |
| static const char* sun_java_launcher() { return _sun_java_launcher; } |
| // Was VM created by a Java launcher? |
| static bool created_by_java_launcher(); |
| // -Dsun.java.launcher.is_altjvm |
| static bool sun_java_launcher_is_altjvm(); |
| |
| // -Xrun |
| static AgentLibrary* libraries() { return _libraryList.first(); } |
| static bool init_libraries_at_startup() { return !_libraryList.is_empty(); } |
| static void convert_library_to_agent(AgentLibrary* lib) |
| { _libraryList.remove(lib); |
| _agentList.add(lib); } |
| |
| // -agentlib -agentpath |
| static AgentLibrary* agents() { return _agentList.first(); } |
| static bool init_agents_at_startup() { return !_agentList.is_empty(); } |
| |
| // abort, exit, vfprintf hooks |
| static abort_hook_t abort_hook() { return _abort_hook; } |
| static exit_hook_t exit_hook() { return _exit_hook; } |
| static vfprintf_hook_t vfprintf_hook() { return _vfprintf_hook; } |
| |
| static const char* GetSharedArchivePath() { return SharedArchivePath; } |
| static const char* GetSharedDynamicArchivePath() { return SharedDynamicArchivePath; } |
| static size_t default_SharedBaseAddress() { return _default_SharedBaseAddress; } |
| // Java launcher properties |
| static void process_sun_java_launcher_properties(JavaVMInitArgs* args); |
| |
| // System properties |
| static void init_system_properties(); |
| |
| // Update/Initialize System properties after JDK version number is known |
| static void init_version_specific_system_properties(); |
| |
| // Update VM info property - called after argument parsing |
| static void update_vm_info_property(const char* vm_info) { |
| _vm_info->set_value(vm_info); |
| } |
| |
| // Property List manipulation |
| static void PropertyList_add(SystemProperty *element); |
| static void PropertyList_add(SystemProperty** plist, SystemProperty *element); |
| static void PropertyList_add(SystemProperty** plist, const char* k, const char* v, bool writeable, bool internal); |
| |
| static void PropertyList_unique_add(SystemProperty** plist, const char* k, const char* v, |
| PropertyAppendable append, PropertyWriteable writeable, |
| PropertyInternal internal); |
| static const char* PropertyList_get_value(SystemProperty* plist, const char* key); |
| static const char* PropertyList_get_readable_value(SystemProperty* plist, const char* key); |
| static int PropertyList_count(SystemProperty* pl); |
| static int PropertyList_readable_count(SystemProperty* pl); |
| static const char* PropertyList_get_key_at(SystemProperty* pl,int index); |
| static char* PropertyList_get_value_at(SystemProperty* pl,int index); |
| |
| static bool is_internal_module_property(const char* option); |
| |
| // Miscellaneous System property value getter and setters. |
| static void set_dll_dir(const char *value) { _sun_boot_library_path->set_value(value); } |
| static void set_java_home(const char *value) { _java_home->set_value(value); } |
| static void set_library_path(const char *value) { _java_library_path->set_value(value); } |
| static void set_ext_dirs(char *value) { _ext_dirs = os::strdup_check_oom(value); } |
| |
| // Set up the underlying pieces of the system boot class path |
| static void add_patch_mod_prefix(const char *module_name, const char *path, bool* patch_mod_javabase); |
| static void set_sysclasspath(const char *value, bool has_jimage) { |
| // During start up, set by os::set_boot_path() |
| assert(get_sysclasspath() == NULL, "System boot class path previously set"); |
| _system_boot_class_path->set_value(value); |
| _has_jimage = has_jimage; |
| } |
| static void append_sysclasspath(const char *value) { |
| _system_boot_class_path->append_value(value); |
| _jdk_boot_class_path_append->append_value(value); |
| } |
| |
| static GrowableArray<ModulePatchPath*>* get_patch_mod_prefix() { return _patch_mod_prefix; } |
| static char* get_sysclasspath() { return _system_boot_class_path->value(); } |
| static char* get_jdk_boot_class_path_append() { return _jdk_boot_class_path_append->value(); } |
| static bool has_jimage() { return _has_jimage; } |
| |
| static char* get_java_home() { return _java_home->value(); } |
| static char* get_dll_dir() { return _sun_boot_library_path->value(); } |
| static char* get_ext_dirs() { return _ext_dirs; } |
| static char* get_appclasspath() { return _java_class_path->value(); } |
| static void fix_appclasspath(); |
| |
| static char* get_default_shared_archive_path() NOT_CDS_RETURN_(NULL); |
| static bool init_shared_archive_paths() NOT_CDS_RETURN_(false); |
| |
| // Operation modi |
| static Mode mode() { return _mode; } |
| static bool is_interpreter_only() { return mode() == _int; } |
| |
| // preview features |
| static void set_enable_preview() { _enable_preview = true; } |
| static bool enable_preview() { return _enable_preview; } |
| |
| // Utility: copies src into buf, replacing "%%" with "%" and "%p" with pid. |
| static bool copy_expand_pid(const char* src, size_t srclen, char* buf, size_t buflen); |
| |
| static void check_unsupported_dumping_properties() NOT_CDS_RETURN; |
| |
| static bool check_unsupported_cds_runtime_properties() NOT_CDS_RETURN0; |
| |
| static bool atojulong(const char *s, julong* result); |
| |
| static bool has_jfr_option() NOT_JFR_RETURN_(false); |
| |
| static bool is_dumping_archive() { return DumpSharedSpaces || DynamicDumpSharedSpaces; } |
| |
| static void assert_is_dumping_archive() { |
| assert(Arguments::is_dumping_archive(), "dump time only"); |
| } |
| |
| DEBUG_ONLY(static bool verify_special_jvm_flags(bool check_globals);) |
| }; |
| |
| // Disable options not supported in this release, with a warning if they |
| // were explicitly requested on the command-line |
| #define UNSUPPORTED_OPTION(opt) \ |
| do { \ |
| if (opt) { \ |
| if (FLAG_IS_CMDLINE(opt)) { \ |
| warning("-XX:+" #opt " not supported in this VM"); \ |
| } \ |
| FLAG_SET_DEFAULT(opt, false); \ |
| } \ |
| } while(0) |
| |
| // similar to UNSUPPORTED_OPTION but sets flag to NULL |
| #define UNSUPPORTED_OPTION_NULL(opt) \ |
| do { \ |
| if (opt) { \ |
| if (FLAG_IS_CMDLINE(opt)) { \ |
| warning("-XX flag " #opt " not supported in this VM"); \ |
| } \ |
| FLAG_SET_DEFAULT(opt, NULL); \ |
| } \ |
| } while(0) |
| |
| |
| #endif // SHARE_RUNTIME_ARGUMENTS_HPP |