--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/arguments.hpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,511 @@
+/*
+ * Copyright 1997-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+// Arguments parses the command line and recognizes options
+
+// Invocation API hook typedefs (these should really be defined in jni.hpp)
+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);
+}
+
+// Forward declarations
+
+class SysClassPath;
+
+// Element describing System and User (-Dkey=value flags) defined property.
+
+class SystemProperty: public CHeapObj {
+ private:
+ char* _key;
+ char* _value;
+ SystemProperty* _next;
+ bool _writeable;
+ bool writeable() { return _writeable; }
+
+ public:
+ // Accessors
+ const char* key() const { return _key; }
+ char* value() const { return _value; }
+ SystemProperty* next() const { return _next; }
+ void set_next(SystemProperty* next) { _next = next; }
+ bool set_value(char *value) {
+ if (writeable()) {
+ if (_value != NULL) {
+ FreeHeap(_value);
+ }
+ _value = AllocateHeap(strlen(value)+1);
+ if (_value != NULL) {
+ strcpy(_value, value);
+ }
+ return true;
+ }
+ return false;
+ }
+
+ void append_value(const char *value) {
+ char *sp;
+ size_t len = 0;
+ if (value != NULL) {
+ len = strlen(value);
+ if (_value != NULL) {
+ len += strlen(_value);
+ }
+ sp = AllocateHeap(len+2);
+ if (sp != NULL) {
+ if (_value != NULL) {
+ strcpy(sp, _value);
+ strcat(sp, os::path_separator());
+ strcat(sp, value);
+ FreeHeap(_value);
+ } else {
+ strcpy(sp, value);
+ }
+ _value = sp;
+ }
+ }
+ }
+
+ // Constructor
+ SystemProperty(const char* key, const char* value, bool writeable) {
+ if (key == NULL) {
+ _key = NULL;
+ } else {
+ _key = AllocateHeap(strlen(key)+1);
+ strcpy(_key, key);
+ }
+ if (value == NULL) {
+ _value = NULL;
+ } else {
+ _value = AllocateHeap(strlen(value)+1);
+ strcpy(_value, value);
+ }
+ _next = NULL;
+ _writeable = writeable;
+ }
+};
+
+
+// For use by -agentlib, -agentpath and -Xrun
+class AgentLibrary : public CHeapObj {
+ friend class AgentLibraryList;
+ private:
+ char* _name;
+ char* _options;
+ void* _os_lib;
+ bool _is_absolute_path;
+ 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; }
+
+ // Constructor
+ AgentLibrary(const char* name, const char* options, bool is_absolute_path, void* os_lib) {
+ _name = AllocateHeap(strlen(name)+1);
+ strcpy(_name, name);
+ if (options == NULL) {
+ _options = NULL;
+ } else {
+ _options = AllocateHeap(strlen(options)+1);
+ strcpy(_options, options);
+ }
+ _is_absolute_path = is_absolute_path;
+ _os_lib = os_lib;
+ _next = NULL;
+ }
+};
+
+// maintain an order of entry list of AgentLibrary
+class AgentLibraryList VALUE_OBJ_CLASS_SPEC {
+ 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;
+ }
+};
+
+
+class Arguments : AllStatic {
+ friend class VMStructs;
+ friend class JvmtiExport;
+ 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
+ };
+
+ private:
+
+ // 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 *_java_ext_dirs;
+ static SystemProperty *_java_endorsed_dirs;
+ static SystemProperty *_sun_boot_library_path;
+ static SystemProperty *_java_library_path;
+ static SystemProperty *_java_home;
+ static SystemProperty *_java_class_path;
+ static SystemProperty *_sun_boot_class_path;
+
+ // Meta-index for knowing what packages are in the boot class path
+ static char* _meta_index_path;
+ static char* _meta_index_dir;
+
+ // 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/gamma launcher
+ static const char* _sun_java_launcher;
+
+ // sun.java.launcher.pid, private property
+ static int _sun_java_launcher_pid;
+
+ // Option flags
+ static bool _has_profile;
+ static bool _has_alloc_profile;
+ static const char* _gc_log_filename;
+ static uintx _initial_heap_size;
+ static uintx _min_heap_size;
+
+ // -Xrun arguments
+ static AgentLibraryList _libraryList;
+ static void add_init_library(const char* name, char* options)
+ { _libraryList.add(new AgentLibrary(name, options, false, NULL)); }
+
+ // -agentlib and -agentpath arguments
+ static AgentLibraryList _agentList;
+ static void add_init_agent(const char* name, char* options, bool absolute_path)
+ { _agentList.add(new AgentLibrary(name, options, absolute_path, NULL)); }
+
+ // Late-binding agents not started via arguments
+ static void add_loaded_agent(const char* name, char* options, bool absolute_path, void* os_lib)
+ { _agentList.add(new AgentLibrary(name, options, absolute_path, os_lib)); }
+
+ // 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; }
+
+ // Used to save default settings
+ static bool _AlwaysCompileLoopMethods;
+ static bool _UseOnStackReplacement;
+ static bool _BackgroundCompilation;
+ static bool _ClipInlining;
+ static bool _CIDynamicCompilePriority;
+ static intx _Tier2CompileThreshold;
+
+ // GC processing
+ static int nof_parallel_gc_threads();
+ // CMS/ParNew garbage collectors
+ static void set_parnew_gc_flags();
+ static void set_cms_and_parnew_gc_flags();
+ // UseParallelGC
+ static void set_parallel_gc_flags();
+ // GC ergonomics
+ static void set_ergonomics_flags();
+ // Based on automatic selection criteria, should the
+ // low pause collector be used.
+ static bool should_auto_select_low_pause_collector();
+
+ // 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);
+
+ // Aggressive optimization flags.
+ static void set_aggressive_opts_flags();
+
+ // Argument parsing
+ static void do_pd_flag_adjustments();
+ static bool parse_argument(const char* arg, FlagValueOrigin origin);
+ static bool process_argument(const char* arg, jboolean ignore_unrecognized, FlagValueOrigin origin);
+ static void process_java_launcher_argument(const char*, void*);
+ static void process_java_compiler_argument(char* arg);
+ static jint parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p);
+ static jint parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p);
+ static jint parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p);
+ static jint parse_vm_init_args(const JavaVMInitArgs* args);
+ static jint parse_each_vm_init_arg(const JavaVMInitArgs* args, SysClassPath* scp_p, bool* scp_assembly_required_p, FlagValueOrigin origin);
+ static jint finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required);
+ 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 bool verify_percentage(uintx value, const char* name);
+ static void describe_range_error(ArgsRange errcode);
+ static ArgsRange check_memory_size(jlong size, jlong min_size);
+ static ArgsRange parse_memory_size(const char* s, jlong* long_arg,
+ jlong 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);
+
+ static bool methodExists(
+ char* className, char* methodName,
+ int classesNum, char** classes, bool* allMethods,
+ int methodsNum, char** methods, bool* allClasses
+ );
+
+ static void parseOnlyLine(
+ const char* line,
+ short* classesNum, short* classesMax, char*** classes, bool** allMethods,
+ short* methodsNum, short* methodsMax, char*** methods, bool** allClasses
+ );
+
+ // Returns true if the string s is in the list of
+ // flags made obsolete in 1.5.0.
+ static bool made_obsolete_in_1_5_0(const char* s);
+
+ static short CompileOnlyClassesNum;
+ static short CompileOnlyClassesMax;
+ static char** CompileOnlyClasses;
+ static bool* CompileOnlyAllMethods;
+
+ static short CompileOnlyMethodsNum;
+ static short CompileOnlyMethodsMax;
+ static char** CompileOnlyMethods;
+ static bool* CompileOnlyAllClasses;
+
+ static short InterpretOnlyClassesNum;
+ static short InterpretOnlyClassesMax;
+ static char** InterpretOnlyClasses;
+ static bool* InterpretOnlyAllMethods;
+
+ static bool CheckCompileOnly;
+
+ static char* SharedArchivePath;
+
+ public:
+ // Parses the arguments
+ static jint parse(const JavaVMInitArgs* args);
+ // Check consistecy 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);
+
+ // 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);
+
+ // 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.pid
+ static int sun_java_launcher_pid() { return _sun_java_launcher_pid; }
+
+ // -Xloggc:<file>, if not specified will be NULL
+ static const char* gc_log_filename() { return _gc_log_filename; }
+
+ // -Xprof/-Xaprof
+ static bool has_profile() { return _has_profile; }
+ static bool has_alloc_profile() { return _has_alloc_profile; }
+
+ // -Xms , -Xmx
+ static uintx initial_heap_size() { return _initial_heap_size; }
+ static void set_initial_heap_size(uintx v) { _initial_heap_size = v; }
+ static uintx min_heap_size() { return _min_heap_size; }
+ static void set_min_heap_size(uintx v) { _min_heap_size = v; }
+
+ // -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 bool GetCheckCompileOnly () { return CheckCompileOnly; }
+
+ static const char* GetSharedArchivePath() { return SharedArchivePath; }
+
+ static bool CompileMethod(char* className, char* methodName) {
+ return
+ methodExists(
+ className, methodName,
+ CompileOnlyClassesNum, CompileOnlyClasses, CompileOnlyAllMethods,
+ CompileOnlyMethodsNum, CompileOnlyMethods, CompileOnlyAllClasses
+ );
+ }
+
+ // Java launcher properties
+ static void process_sun_java_launcher_properties(JavaVMInitArgs* args);
+
+ // System properties
+ static void init_system_properties();
+
+ // Proptery List manipulation
+ static void PropertyList_add(SystemProperty** plist, SystemProperty *element);
+ static void PropertyList_add(SystemProperty** plist, const char* k, char* v);
+ static void PropertyList_unique_add(SystemProperty** plist, const char* k, char* v);
+ static const char* PropertyList_get_value(SystemProperty* plist, const char* key);
+ static int PropertyList_count(SystemProperty* pl);
+ static const char* PropertyList_get_key_at(SystemProperty* pl,int index);
+ static char* PropertyList_get_value_at(SystemProperty* pl,int index);
+
+ // Miscellaneous System property value getter and setters.
+ static void set_dll_dir(char *value) { _sun_boot_library_path->set_value(value); }
+ static void set_java_home(char *value) { _java_home->set_value(value); }
+ static void set_library_path(char *value) { _java_library_path->set_value(value); }
+ static void set_ext_dirs(char *value) { _java_ext_dirs->set_value(value); }
+ static void set_endorsed_dirs(char *value) { _java_endorsed_dirs->set_value(value); }
+ static void set_sysclasspath(char *value) { _sun_boot_class_path->set_value(value); }
+ static void append_sysclasspath(const char *value) { _sun_boot_class_path->append_value(value); }
+ static void set_meta_index_path(char* meta_index_path, char* meta_index_dir) {
+ _meta_index_path = meta_index_path;
+ _meta_index_dir = meta_index_dir;
+ }
+
+ static char *get_java_home() { return _java_home->value(); }
+ static char *get_dll_dir() { return _sun_boot_library_path->value(); }
+ static char *get_endorsed_dir() { return _java_endorsed_dirs->value(); }
+ static char *get_sysclasspath() { return _sun_boot_class_path->value(); }
+ static char* get_meta_index_path() { return _meta_index_path; }
+ static char* get_meta_index_dir() { return _meta_index_dir; }
+
+ // Operation modi
+ static Mode mode() { return _mode; }
+
+ // 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);
+
+#ifdef KERNEL
+ // For java kernel vm, return property string for kernel properties.
+ static char *get_kernel_properties();
+#endif // KERNEL
+};