63 #include "oops/symbol.hpp"
64 #include "prims/jvmtiExport.hpp"
65 #include "prims/jvmtiRedefineClasses.hpp"
66 #include "prims/jvmtiThreadState.hpp"
67 #include "prims/methodComparator.hpp"
68 #include "runtime/atomic.hpp"
69 #include "runtime/fieldDescriptor.inline.hpp"
70 #include "runtime/handles.inline.hpp"
71 #include "runtime/javaCalls.hpp"
72 #include "runtime/mutexLocker.hpp"
73 #include "runtime/orderAccess.hpp"
74 #include "runtime/thread.inline.hpp"
75 #include "services/classLoadingService.hpp"
76 #include "services/threadService.hpp"
77 #include "utilities/dtrace.hpp"
78 #include "utilities/macros.hpp"
79 #include "utilities/stringUtils.hpp"
80 #ifdef COMPILER1
81 #include "c1/c1_Compiler.hpp"
82 #endif
83
84 #ifdef DTRACE_ENABLED
85
86
87 #define HOTSPOT_CLASS_INITIALIZATION_required HOTSPOT_CLASS_INITIALIZATION_REQUIRED
88 #define HOTSPOT_CLASS_INITIALIZATION_recursive HOTSPOT_CLASS_INITIALIZATION_RECURSIVE
89 #define HOTSPOT_CLASS_INITIALIZATION_concurrent HOTSPOT_CLASS_INITIALIZATION_CONCURRENT
90 #define HOTSPOT_CLASS_INITIALIZATION_erroneous HOTSPOT_CLASS_INITIALIZATION_ERRONEOUS
91 #define HOTSPOT_CLASS_INITIALIZATION_super__failed HOTSPOT_CLASS_INITIALIZATION_SUPER_FAILED
92 #define HOTSPOT_CLASS_INITIALIZATION_clinit HOTSPOT_CLASS_INITIALIZATION_CLINIT
93 #define HOTSPOT_CLASS_INITIALIZATION_error HOTSPOT_CLASS_INITIALIZATION_ERROR
94 #define HOTSPOT_CLASS_INITIALIZATION_end HOTSPOT_CLASS_INITIALIZATION_END
95 #define DTRACE_CLASSINIT_PROBE(type, thread_type) \
96 { \
97 char* data = NULL; \
98 int len = 0; \
99 Symbol* clss_name = name(); \
100 if (clss_name != NULL) { \
101 data = (char*)clss_name->bytes(); \
102 len = clss_name->utf8_length(); \
2406 }
2407 }
2408
2409 return (old_state != is_in_error_state());
2410 }
2411
2412 #if INCLUDE_JVMTI
2413 static void clear_all_breakpoints(Method* m) {
2414 m->clear_all_breakpoints();
2415 }
2416 #endif
2417
2418 void InstanceKlass::notify_unload_class(InstanceKlass* ik) {
2419 // notify the debugger
2420 if (JvmtiExport::should_post_class_unload()) {
2421 JvmtiExport::post_class_unload(ik);
2422 }
2423
2424 // notify ClassLoadingService of class unload
2425 ClassLoadingService::notify_class_unloaded(ik);
2426 }
2427
2428 void InstanceKlass::release_C_heap_structures(InstanceKlass* ik) {
2429 // Clean up C heap
2430 ik->release_C_heap_structures();
2431 ik->constants()->release_C_heap_structures();
2432 }
2433
2434 void InstanceKlass::release_C_heap_structures() {
2435 // Can't release the constant pool here because the constant pool can be
2436 // deallocated separately from the InstanceKlass for default methods and
2437 // redefine classes.
2438
2439 // Deallocate oop map cache
2440 if (_oop_map_cache != NULL) {
2441 delete _oop_map_cache;
2442 _oop_map_cache = NULL;
2443 }
2444
2445 // Deallocate JNI identifiers for jfieldIDs
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63 #include "oops/symbol.hpp"
64 #include "prims/jvmtiExport.hpp"
65 #include "prims/jvmtiRedefineClasses.hpp"
66 #include "prims/jvmtiThreadState.hpp"
67 #include "prims/methodComparator.hpp"
68 #include "runtime/atomic.hpp"
69 #include "runtime/fieldDescriptor.inline.hpp"
70 #include "runtime/handles.inline.hpp"
71 #include "runtime/javaCalls.hpp"
72 #include "runtime/mutexLocker.hpp"
73 #include "runtime/orderAccess.hpp"
74 #include "runtime/thread.inline.hpp"
75 #include "services/classLoadingService.hpp"
76 #include "services/threadService.hpp"
77 #include "utilities/dtrace.hpp"
78 #include "utilities/macros.hpp"
79 #include "utilities/stringUtils.hpp"
80 #ifdef COMPILER1
81 #include "c1/c1_Compiler.hpp"
82 #endif
83 #if INCLUDE_JFR
84 #include "utilities/ticks.hpp"
85 #include "jfr/jfr.hpp"
86 #include "jfr/jfrEvents.hpp"
87 Ticks InstanceKlass::_class_unload_time;
88 #endif
89
90
91 #ifdef DTRACE_ENABLED
92
93
94 #define HOTSPOT_CLASS_INITIALIZATION_required HOTSPOT_CLASS_INITIALIZATION_REQUIRED
95 #define HOTSPOT_CLASS_INITIALIZATION_recursive HOTSPOT_CLASS_INITIALIZATION_RECURSIVE
96 #define HOTSPOT_CLASS_INITIALIZATION_concurrent HOTSPOT_CLASS_INITIALIZATION_CONCURRENT
97 #define HOTSPOT_CLASS_INITIALIZATION_erroneous HOTSPOT_CLASS_INITIALIZATION_ERRONEOUS
98 #define HOTSPOT_CLASS_INITIALIZATION_super__failed HOTSPOT_CLASS_INITIALIZATION_SUPER_FAILED
99 #define HOTSPOT_CLASS_INITIALIZATION_clinit HOTSPOT_CLASS_INITIALIZATION_CLINIT
100 #define HOTSPOT_CLASS_INITIALIZATION_error HOTSPOT_CLASS_INITIALIZATION_ERROR
101 #define HOTSPOT_CLASS_INITIALIZATION_end HOTSPOT_CLASS_INITIALIZATION_END
102 #define DTRACE_CLASSINIT_PROBE(type, thread_type) \
103 { \
104 char* data = NULL; \
105 int len = 0; \
106 Symbol* clss_name = name(); \
107 if (clss_name != NULL) { \
108 data = (char*)clss_name->bytes(); \
109 len = clss_name->utf8_length(); \
2413 }
2414 }
2415
2416 return (old_state != is_in_error_state());
2417 }
2418
2419 #if INCLUDE_JVMTI
2420 static void clear_all_breakpoints(Method* m) {
2421 m->clear_all_breakpoints();
2422 }
2423 #endif
2424
2425 void InstanceKlass::notify_unload_class(InstanceKlass* ik) {
2426 // notify the debugger
2427 if (JvmtiExport::should_post_class_unload()) {
2428 JvmtiExport::post_class_unload(ik);
2429 }
2430
2431 // notify ClassLoadingService of class unload
2432 ClassLoadingService::notify_class_unloaded(ik);
2433
2434 #if INCLUDE_JFR
2435 if (Jfr::is_enabled()) {
2436 assert(ik != NULL, "invariant");
2437 EventClassUnload event(UNTIMED);
2438 event.set_endtime(class_unload_time());
2439 event.set_unloadedClass(ik);
2440 event.set_definingClassLoader(ik->class_loader_data());
2441 event.commit();
2442 }
2443 #endif
2444
2445 }
2446
2447 void InstanceKlass::release_C_heap_structures(InstanceKlass* ik) {
2448 // Clean up C heap
2449 ik->release_C_heap_structures();
2450 ik->constants()->release_C_heap_structures();
2451 }
2452
2453 void InstanceKlass::release_C_heap_structures() {
2454 // Can't release the constant pool here because the constant pool can be
2455 // deallocated separately from the InstanceKlass for default methods and
2456 // redefine classes.
2457
2458 // Deallocate oop map cache
2459 if (_oop_map_cache != NULL) {
2460 delete _oop_map_cache;
2461 _oop_map_cache = NULL;
2462 }
2463
2464 // Deallocate JNI identifiers for jfieldIDs
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