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src/hotspot/share/prims/jvmtiEnv.cpp

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rev 48551 : [mq]: heap8
rev 48552 : [mq]: heap10a
rev 48556 : [mq]: heap17
rev 48562 : [mq]: heap23


  29 #include "classfile/modules.hpp"
  30 #include "classfile/systemDictionary.hpp"
  31 #include "classfile/vmSymbols.hpp"
  32 #include "interpreter/bytecodeStream.hpp"
  33 #include "interpreter/interpreter.hpp"
  34 #include "jvmtifiles/jvmtiEnv.hpp"
  35 #include "logging/log.hpp"
  36 #include "logging/logConfiguration.hpp"
  37 #include "memory/resourceArea.hpp"
  38 #include "memory/universe.inline.hpp"
  39 #include "oops/instanceKlass.hpp"
  40 #include "oops/objArrayOop.inline.hpp"
  41 #include "oops/oop.inline.hpp"
  42 #include "prims/jniCheck.hpp"
  43 #include "prims/jvm_misc.hpp"
  44 #include "prims/jvmtiAgentThread.hpp"
  45 #include "prims/jvmtiClassFileReconstituter.hpp"
  46 #include "prims/jvmtiCodeBlobEvents.hpp"
  47 #include "prims/jvmtiExtensions.hpp"
  48 #include "prims/jvmtiGetLoadedClasses.hpp"

  49 #include "prims/jvmtiImpl.hpp"
  50 #include "prims/jvmtiManageCapabilities.hpp"
  51 #include "prims/jvmtiRawMonitor.hpp"
  52 #include "prims/jvmtiRedefineClasses.hpp"
  53 #include "prims/jvmtiTagMap.hpp"
  54 #include "prims/jvmtiThreadState.inline.hpp"
  55 #include "prims/jvmtiUtil.hpp"
  56 #include "runtime/arguments.hpp"
  57 #include "runtime/deoptimization.hpp"

  58 #include "runtime/interfaceSupport.hpp"
  59 #include "runtime/javaCalls.hpp"
  60 #include "runtime/jfieldIDWorkaround.hpp"
  61 #include "runtime/osThread.hpp"
  62 #include "runtime/reflectionUtils.hpp"
  63 #include "runtime/signature.hpp"
  64 #include "runtime/thread.inline.hpp"
  65 #include "runtime/threadSMR.hpp"
  66 #include "runtime/timerTrace.hpp"
  67 #include "runtime/vframe.hpp"
  68 #include "runtime/vmThread.hpp"
  69 #include "services/threadService.hpp"
  70 #include "utilities/exceptions.hpp"
  71 #include "utilities/preserveException.hpp"
  72 
  73 
  74 #define FIXLATER 0 // REMOVE this when completed.
  75 
  76  // FIXLATER: hook into JvmtiTrace
  77 #define TraceJVMTICalls false


1987 
1988 
1989 // k_mirror - may be primitive, this must be checked
1990 // heap_object_callback - pre-checked for NULL
1991 // user_data - NULL is a valid value, must be checked
1992 jvmtiError
1993 JvmtiEnv::IterateOverInstancesOfClass(oop k_mirror, jvmtiHeapObjectFilter object_filter, jvmtiHeapObjectCallback heap_object_callback, const void* user_data) {
1994   if (java_lang_Class::is_primitive(k_mirror)) {
1995     // DO PRIMITIVE CLASS PROCESSING
1996     return JVMTI_ERROR_NONE;
1997   }
1998   Klass* klass = java_lang_Class::as_Klass(k_mirror);
1999   if (klass == NULL) {
2000     return JVMTI_ERROR_INVALID_CLASS;
2001   }
2002   TraceTime t("IterateOverInstancesOfClass", TRACETIME_LOG(Debug, jvmti, objecttagging));
2003   JvmtiTagMap::tag_map_for(this)->iterate_over_heap(object_filter, klass, heap_object_callback, user_data);
2004   return JVMTI_ERROR_NONE;
2005 } /* end IterateOverInstancesOfClass */
2006 


















































































2007 
2008   //
2009   // Local Variable functions
2010   //
2011 
2012 // Threads_lock NOT held, java_thread not protected by lock
2013 // java_thread - pre-checked
2014 // java_thread - unchecked
2015 // depth - pre-checked as non-negative
2016 // value_ptr - pre-checked for NULL
2017 jvmtiError
2018 JvmtiEnv::GetLocalObject(JavaThread* java_thread, jint depth, jint slot, jobject* value_ptr) {
2019   JavaThread* current_thread = JavaThread::current();
2020   // rm object is created to clean up the javaVFrame created in
2021   // doit_prologue(), but after doit() is finished with it.
2022   ResourceMark rm(current_thread);
2023 
2024   VM_GetOrSetLocal op(java_thread, current_thread, depth, slot);
2025   VMThread::execute(&op);
2026   jvmtiError err = op.result();




  29 #include "classfile/modules.hpp"
  30 #include "classfile/systemDictionary.hpp"
  31 #include "classfile/vmSymbols.hpp"
  32 #include "interpreter/bytecodeStream.hpp"
  33 #include "interpreter/interpreter.hpp"
  34 #include "jvmtifiles/jvmtiEnv.hpp"
  35 #include "logging/log.hpp"
  36 #include "logging/logConfiguration.hpp"
  37 #include "memory/resourceArea.hpp"
  38 #include "memory/universe.inline.hpp"
  39 #include "oops/instanceKlass.hpp"
  40 #include "oops/objArrayOop.inline.hpp"
  41 #include "oops/oop.inline.hpp"
  42 #include "prims/jniCheck.hpp"
  43 #include "prims/jvm_misc.hpp"
  44 #include "prims/jvmtiAgentThread.hpp"
  45 #include "prims/jvmtiClassFileReconstituter.hpp"
  46 #include "prims/jvmtiCodeBlobEvents.hpp"
  47 #include "prims/jvmtiExtensions.hpp"
  48 #include "prims/jvmtiGetLoadedClasses.hpp"
  49 #include "prims/jvmtiHeapTransition.hpp"
  50 #include "prims/jvmtiImpl.hpp"
  51 #include "prims/jvmtiManageCapabilities.hpp"
  52 #include "prims/jvmtiRawMonitor.hpp"
  53 #include "prims/jvmtiRedefineClasses.hpp"
  54 #include "prims/jvmtiTagMap.hpp"
  55 #include "prims/jvmtiThreadState.inline.hpp"
  56 #include "prims/jvmtiUtil.hpp"
  57 #include "runtime/arguments.hpp"
  58 #include "runtime/deoptimization.hpp"
  59 #include "runtime/heapMonitoring.hpp"
  60 #include "runtime/interfaceSupport.hpp"
  61 #include "runtime/javaCalls.hpp"
  62 #include "runtime/jfieldIDWorkaround.hpp"
  63 #include "runtime/osThread.hpp"
  64 #include "runtime/reflectionUtils.hpp"
  65 #include "runtime/signature.hpp"
  66 #include "runtime/thread.inline.hpp"
  67 #include "runtime/threadSMR.hpp"
  68 #include "runtime/timerTrace.hpp"
  69 #include "runtime/vframe.hpp"
  70 #include "runtime/vmThread.hpp"
  71 #include "services/threadService.hpp"
  72 #include "utilities/exceptions.hpp"
  73 #include "utilities/preserveException.hpp"
  74 
  75 
  76 #define FIXLATER 0 // REMOVE this when completed.
  77 
  78  // FIXLATER: hook into JvmtiTrace
  79 #define TraceJVMTICalls false


1989 
1990 
1991 // k_mirror - may be primitive, this must be checked
1992 // heap_object_callback - pre-checked for NULL
1993 // user_data - NULL is a valid value, must be checked
1994 jvmtiError
1995 JvmtiEnv::IterateOverInstancesOfClass(oop k_mirror, jvmtiHeapObjectFilter object_filter, jvmtiHeapObjectCallback heap_object_callback, const void* user_data) {
1996   if (java_lang_Class::is_primitive(k_mirror)) {
1997     // DO PRIMITIVE CLASS PROCESSING
1998     return JVMTI_ERROR_NONE;
1999   }
2000   Klass* klass = java_lang_Class::as_Klass(k_mirror);
2001   if (klass == NULL) {
2002     return JVMTI_ERROR_INVALID_CLASS;
2003   }
2004   TraceTime t("IterateOverInstancesOfClass", TRACETIME_LOG(Debug, jvmti, objecttagging));
2005   JvmtiTagMap::tag_map_for(this)->iterate_over_heap(object_filter, klass, heap_object_callback, user_data);
2006   return JVMTI_ERROR_NONE;
2007 } /* end IterateOverInstancesOfClass */
2008 
2009 // Start the sampler.
2010 jvmtiError
2011 JvmtiEnv::StartHeapSampling(jint monitoring_rate, jint max_gc_storage) {
2012   if (monitoring_rate < 0) {
2013     return JVMTI_ERROR_ILLEGAL_ARGUMENT;
2014   }
2015 
2016   HeapThreadTransition htt(Thread::current());
2017   HeapMonitoring::initialize_profiling(monitoring_rate, max_gc_storage);
2018   return JVMTI_ERROR_NONE;
2019 } /* end StartHeapSampling */
2020 
2021 // Stop the sampler.
2022 jvmtiError
2023 JvmtiEnv::StopHeapSampling() {
2024   HeapThreadTransition htt(Thread::current());
2025   HeapMonitoring::stop_profiling();
2026   return JVMTI_ERROR_NONE;
2027 } /* end StopHeapSampling */
2028 
2029 // Provoke a GC and get the currently live sampled allocations.
2030 jvmtiError
2031 JvmtiEnv::GetObjectAllocTraces(jvmtiAllocTraceInfo** stack_traces,
2032                                jint* trace_counter_ptr) {
2033   ForceGarbageCollection();
2034   HeapThreadTransition htt(Thread::current());
2035   if (stack_traces == NULL) {
2036     return JVMTI_ERROR_ILLEGAL_ARGUMENT;
2037   }
2038 
2039   HeapMonitoring::get_live_traces(this, stack_traces, trace_counter_ptr);
2040   return JVMTI_ERROR_NONE;
2041 } /* end GetLiveTraces */
2042 
2043 // Get the recently garbage collected allocations.
2044 jvmtiError
2045 JvmtiEnv::GetGarbageTraces(jvmtiAllocTraceInfo** stack_traces,
2046                            jint* trace_counter_ptr) {
2047   HeapThreadTransition htt(Thread::current());
2048   if (stack_traces == NULL) {
2049     return JVMTI_ERROR_ILLEGAL_ARGUMENT;
2050   }
2051 
2052   HeapMonitoring::get_garbage_traces(this, stack_traces, trace_counter_ptr);
2053   return JVMTI_ERROR_NONE;
2054 } /* end GetGarbageTraces */
2055 
2056 // Get the frequently garbage collected traces.
2057 jvmtiError
2058 JvmtiEnv::GetFrequentGarbageTraces(jvmtiAllocTraceInfo** stack_traces,
2059                                    jint* trace_counter_ptr) {
2060   HeapThreadTransition htt(Thread::current());
2061   if (stack_traces == NULL) {
2062     return JVMTI_ERROR_ILLEGAL_ARGUMENT;
2063   }
2064 
2065   HeapMonitoring::get_frequent_garbage_traces(this, stack_traces, trace_counter_ptr);
2066   return JVMTI_ERROR_NONE;
2067 } /* end GetFrequentGarbageTraces */
2068 
2069 // Get the traces that were garbage collected in the last full GC.
2070 jvmtiError
2071 JvmtiEnv::GetCachedObjectAllocTraces(jvmtiAllocTraceInfo** stack_traces,
2072                           jint* trace_counter_ptr) {
2073   HeapThreadTransition htt(Thread::current());
2074   if (stack_traces == NULL) {
2075     return JVMTI_ERROR_ILLEGAL_ARGUMENT;
2076   }
2077 
2078   HeapMonitoring::get_cached_traces(this, stack_traces, trace_counter_ptr);
2079   return JVMTI_ERROR_NONE;
2080 } /* end GetObjectAllocTraces */
2081 
2082 // Get the heap sampling statistics.
2083 jvmtiError
2084 JvmtiEnv::GetHeapSamplingStats(jvmtiHeapSamplingStats* stats) {
2085   if (stats == NULL) {
2086     return JVMTI_ERROR_ILLEGAL_ARGUMENT;
2087   }
2088   HeapMonitoring::get_sampling_statistics(stats);
2089   return JVMTI_ERROR_NONE;
2090 } /* end GetHeapSamplingStats */
2091 
2092   //
2093   // Local Variable functions
2094   //
2095 
2096 // Threads_lock NOT held, java_thread not protected by lock
2097 // java_thread - pre-checked
2098 // java_thread - unchecked
2099 // depth - pre-checked as non-negative
2100 // value_ptr - pre-checked for NULL
2101 jvmtiError
2102 JvmtiEnv::GetLocalObject(JavaThread* java_thread, jint depth, jint slot, jobject* value_ptr) {
2103   JavaThread* current_thread = JavaThread::current();
2104   // rm object is created to clean up the javaVFrame created in
2105   // doit_prologue(), but after doit() is finished with it.
2106   ResourceMark rm(current_thread);
2107 
2108   VM_GetOrSetLocal op(java_thread, current_thread, depth, slot);
2109   VMThread::execute(&op);
2110   jvmtiError err = op.result();


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