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src/hotspot/share/cds/cdsConfig.hpp

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 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #ifndef SHARE_CDS_CDSCONFIG_HPP
 26 #define SHARE_CDS_CDSCONFIG_HPP
 27 
 28 #include "memory/allStatic.hpp"
 29 #include "utilities/globalDefinitions.hpp"
 30 #include "utilities/macros.hpp"
 31 
 32 class CDSConfig : public AllStatic {
 33 #if INCLUDE_CDS
 34   static bool _is_dumping_static_archive;
 35   static bool _is_dumping_dynamic_archive;
 36   static bool _is_using_optimized_module_handling;
 37   static bool _is_dumping_full_module_graph;
 38   static bool _is_using_full_module_graph;
 39 



 40   static char* _default_archive_path;
 41   static char* _static_archive_path;
 42   static char* _dynamic_archive_path;
 43 #endif
 44 
 45   static void extract_shared_archive_paths(const char* archive_path,
 46                                            char** base_archive_path,
 47                                            char** top_archive_path);
 48   static void init_shared_archive_paths();
 49 
 50 public:
 51   // Used by jdk.internal.misc.CDS.getCDSConfigStatus();
 52   static const int IS_DUMPING_ARCHIVE              = 1 << 0;
 53   static const int IS_DUMPING_STATIC_ARCHIVE       = 1 << 1;
 54   static const int IS_LOGGING_LAMBDA_FORM_INVOKERS = 1 << 2;
 55   static const int IS_USING_ARCHIVE                = 1 << 3;
 56   static int get_status() NOT_CDS_RETURN_(0);
 57 
 58   // Initialization and command-line checking
 59   static void initialize() NOT_CDS_RETURN;
 60   static void check_internal_module_property(const char* key, const char* value) NOT_CDS_RETURN;
 61   static void check_incompatible_property(const char* key, const char* value) NOT_CDS_RETURN;
 62   static void check_unsupported_dumping_module_options() NOT_CDS_RETURN;
 63   static bool has_unsupported_runtime_module_options() NOT_CDS_RETURN_(false);
 64   static bool check_vm_args_consistency(bool patch_mod_javabase, bool mode_flag_cmd_line) NOT_CDS_RETURN_(true);





 65 
 66   // --- Basic CDS features
 67 
 68   // archive(s) in general
 69   static bool is_dumping_archive()                           { return is_dumping_static_archive() || is_dumping_dynamic_archive(); }
 70   static bool is_using_archive()                             NOT_CDS_RETURN_(false);
 71   static int num_archives(const char* archive_path)          NOT_CDS_RETURN_(0);
 72 
 73   // static_archive
 74   static bool is_dumping_static_archive()                    { return CDS_ONLY(_is_dumping_static_archive) NOT_CDS(false); }
 75   static void enable_dumping_static_archive()                { CDS_ONLY(_is_dumping_static_archive = true); }
 76 
 77   // dynamic_archive
 78   static bool is_dumping_dynamic_archive()                   { return CDS_ONLY(_is_dumping_dynamic_archive) NOT_CDS(false); }
 79   static void enable_dumping_dynamic_archive()               { CDS_ONLY(_is_dumping_dynamic_archive = true); }
 80   static void disable_dumping_dynamic_archive()              { CDS_ONLY(_is_dumping_dynamic_archive = false); }
 81 
 82   // optimized_module_handling -- can we skip some expensive operations related to modules?
 83   static bool is_using_optimized_module_handling()           { return CDS_ONLY(_is_using_optimized_module_handling) NOT_CDS(false); }
 84   static void stop_using_optimized_module_handling()         NOT_CDS_RETURN;

 86   static bool is_logging_lambda_form_invokers()              NOT_CDS_RETURN_(false);
 87 
 88   // archive_path
 89 
 90   // Points to the classes.jsa in $JAVA_HOME
 91   static char* default_archive_path()                        NOT_CDS_RETURN_(nullptr);
 92   // The actual static archive  (if any) selected at runtime
 93   static const char* static_archive_path()                   { return CDS_ONLY(_static_archive_path) NOT_CDS(nullptr); }
 94   // The actual dynamic archive  (if any) selected at runtime
 95   static const char* dynamic_archive_path()                  { return CDS_ONLY(_dynamic_archive_path) NOT_CDS(nullptr); }
 96 
 97   // --- Archived java objects
 98 
 99   static bool   is_dumping_heap()                            NOT_CDS_JAVA_HEAP_RETURN_(false);
100 
101   // full_module_graph (requires optimized_module_handling)
102   static bool is_dumping_full_module_graph()                 { return CDS_ONLY(_is_dumping_full_module_graph) NOT_CDS(false); }
103   static bool is_using_full_module_graph()                   NOT_CDS_JAVA_HEAP_RETURN_(false);
104   static void stop_dumping_full_module_graph(const char* reason = nullptr) NOT_CDS_JAVA_HEAP_RETURN;
105   static void stop_using_full_module_graph(const char* reason = nullptr) NOT_CDS_JAVA_HEAP_RETURN;



106 };
107 
108 #endif // SHARE_CDS_CDSCONFIG_HPP

 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #ifndef SHARE_CDS_CDSCONFIG_HPP
 26 #define SHARE_CDS_CDSCONFIG_HPP
 27 
 28 #include "memory/allStatic.hpp"
 29 #include "utilities/globalDefinitions.hpp"
 30 #include "utilities/macros.hpp"
 31 
 32 class CDSConfig : public AllStatic {
 33 #if INCLUDE_CDS
 34   static bool _is_dumping_static_archive;
 35   static bool _is_dumping_dynamic_archive;
 36   static bool _is_using_optimized_module_handling;
 37   static bool _is_dumping_full_module_graph;
 38   static bool _is_using_full_module_graph;
 39 
 40   static bool _module_patching_disables_cds;
 41   static bool _java_base_module_patching_disables_cds;
 42 
 43   static char* _default_archive_path;
 44   static char* _static_archive_path;
 45   static char* _dynamic_archive_path;
 46 #endif
 47 
 48   static void extract_shared_archive_paths(const char* archive_path,
 49                                            char** base_archive_path,
 50                                            char** top_archive_path);
 51   static void init_shared_archive_paths();
 52 
 53 public:
 54   // Used by jdk.internal.misc.CDS.getCDSConfigStatus();
 55   static const int IS_DUMPING_ARCHIVE              = 1 << 0;
 56   static const int IS_DUMPING_STATIC_ARCHIVE       = 1 << 1;
 57   static const int IS_LOGGING_LAMBDA_FORM_INVOKERS = 1 << 2;
 58   static const int IS_USING_ARCHIVE                = 1 << 3;
 59   static int get_status() NOT_CDS_RETURN_(0);
 60 
 61   // Initialization and command-line checking
 62   static void initialize() NOT_CDS_RETURN;
 63   static void check_internal_module_property(const char* key, const char* value) NOT_CDS_RETURN;
 64   static void check_incompatible_property(const char* key, const char* value) NOT_CDS_RETURN;
 65   static void check_unsupported_dumping_module_options() NOT_CDS_RETURN;
 66   static bool has_unsupported_runtime_module_options() NOT_CDS_RETURN_(false);
 67   static bool check_vm_args_consistency(bool mode_flag_cmd_line) NOT_CDS_RETURN_(true);
 68 
 69   static bool module_patching_disables_cds() { return _module_patching_disables_cds; }
 70   static void set_module_patching_disables_cds() { _module_patching_disables_cds = true; }
 71   static bool java_base_module_patching_disables_cds() { return _java_base_module_patching_disables_cds; }
 72   static void set_java_base_module_patching_disables_cds() { _java_base_module_patching_disables_cds = true; }
 73 
 74   // --- Basic CDS features
 75 
 76   // archive(s) in general
 77   static bool is_dumping_archive()                           { return is_dumping_static_archive() || is_dumping_dynamic_archive(); }
 78   static bool is_using_archive()                             NOT_CDS_RETURN_(false);
 79   static int num_archives(const char* archive_path)          NOT_CDS_RETURN_(0);
 80 
 81   // static_archive
 82   static bool is_dumping_static_archive()                    { return CDS_ONLY(_is_dumping_static_archive) NOT_CDS(false); }
 83   static void enable_dumping_static_archive()                { CDS_ONLY(_is_dumping_static_archive = true); }
 84 
 85   // dynamic_archive
 86   static bool is_dumping_dynamic_archive()                   { return CDS_ONLY(_is_dumping_dynamic_archive) NOT_CDS(false); }
 87   static void enable_dumping_dynamic_archive()               { CDS_ONLY(_is_dumping_dynamic_archive = true); }
 88   static void disable_dumping_dynamic_archive()              { CDS_ONLY(_is_dumping_dynamic_archive = false); }
 89 
 90   // optimized_module_handling -- can we skip some expensive operations related to modules?
 91   static bool is_using_optimized_module_handling()           { return CDS_ONLY(_is_using_optimized_module_handling) NOT_CDS(false); }
 92   static void stop_using_optimized_module_handling()         NOT_CDS_RETURN;

 94   static bool is_logging_lambda_form_invokers()              NOT_CDS_RETURN_(false);
 95 
 96   // archive_path
 97 
 98   // Points to the classes.jsa in $JAVA_HOME
 99   static char* default_archive_path()                        NOT_CDS_RETURN_(nullptr);
100   // The actual static archive  (if any) selected at runtime
101   static const char* static_archive_path()                   { return CDS_ONLY(_static_archive_path) NOT_CDS(nullptr); }
102   // The actual dynamic archive  (if any) selected at runtime
103   static const char* dynamic_archive_path()                  { return CDS_ONLY(_dynamic_archive_path) NOT_CDS(nullptr); }
104 
105   // --- Archived java objects
106 
107   static bool   is_dumping_heap()                            NOT_CDS_JAVA_HEAP_RETURN_(false);
108 
109   // full_module_graph (requires optimized_module_handling)
110   static bool is_dumping_full_module_graph()                 { return CDS_ONLY(_is_dumping_full_module_graph) NOT_CDS(false); }
111   static bool is_using_full_module_graph()                   NOT_CDS_JAVA_HEAP_RETURN_(false);
112   static void stop_dumping_full_module_graph(const char* reason = nullptr) NOT_CDS_JAVA_HEAP_RETURN;
113   static void stop_using_full_module_graph(const char* reason = nullptr) NOT_CDS_JAVA_HEAP_RETURN;
114 
115   static bool is_valhalla_preview();
116 
117 };
118 
119 #endif // SHARE_CDS_CDSCONFIG_HPP
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