jvmti.cc (_Jv_JVMTI_DisposeEnvironment): Check for enabled events.

        * jvmti.cc (_Jv_JVMTI_DisposeEnvironment): Check for enabled
        events.
        (check_enabled_event): New function.
        (check_enabled_events): New function.
        (post_event): New function.
        (_Jv_JVMTI_SetEventNotificationMode): New function.
        (_Jv_JVMTI_SetEventCallbacks): New function.
        (_Jv_JVMTI_Interface): Define SetEventNotificationMode and
        SetEventCallbacks members.
        * include/jvmti-int.h: New file.
        * include/jvmti_md.h (EVENT_SLOTS) [__GCJ_JNI_IMP__]: Define.
        (_CLASSPATH_JVMTIENV_CONTENTS) [__GCJ_JNI_IMPL__]: Define.
        * testsuite/libjava.jvmti/events.java: New file.
        * testsuite/libjava.jvmti/events.out: New file.
        * testsuite/libjava.jvmti/natevents.cc: New file.

From-SVN: r117133

libjava/ChangeLog

+2006-09-21  Keith Seitz  <keiths@redhat.com>
+
+	* jvmti.cc (_Jv_JVMTI_DisposeEnvironment): Check for enabled
+	events.
+	(check_enabled_event): New function.
+	(check_enabled_events): New function.
+	(post_event): New function.
+	(_Jv_JVMTI_SetEventNotificationMode): New function.
+	(_Jv_JVMTI_SetEventCallbacks): New function.
+	(_Jv_JVMTI_Interface): Define SetEventNotificationMode and
+	SetEventCallbacks members.
+	* include/jvmti-int.h: New file.
+	* include/jvmti_md.h (EVENT_SLOTS) [__GCJ_JNI_IMP__]: Define.
+	(_CLASSPATH_JVMTIENV_CONTENTS) [__GCJ_JNI_IMPL__]: Define.
+	* testsuite/libjava.jvmti/events.java: New file.
+	* testsuite/libjava.jvmti/events.out: New file.
+	* testsuite/libjava.jvmti/natevents.cc: New file. 
+
 2006-09-21  Sandro Tolaini  <tolaini@libero.it>
 
 	* configure.ac: Don't use darwin-signal.h as signal handler for

libjava/include/jvmti-int.h

+/* jvmti-int.h -- Internal JVMTI definitions
+   Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+#ifndef __GCJ_JVTMI_INT_H__
+#define __GCJ_JVMTI_INT_H__
+
+/* A macro to map jvmtiEvent to an index in thread[] and enabled[]
+   in the jvmtiEnv. This will only work if the order of events listed
+   in jvmtiEvent and jvmtiEventCallbacks is kept the same (which should
+   not be a problem). */
+#define EVENT_INDEX(jvmtievent) (int)(jvmtievent - JVMTI_EVENT_VM_INIT)
+
+/* A few globals to help limit the impact of JVMTI on normal operations.
+   False means no JVMTI environment requested that event type. */
+namespace JVMTI
+{
+  bool VMInit;
+  bool VMDeath;
+  bool ThreadStart;
+  bool ThreadEnd;
+  bool ClassFileLoadHook;
+  bool ClassLoad;
+  bool ClassPrepare;
+  bool VMStart;
+  bool Exception;
+  bool ExceptionCatch;
+  bool SingleStep;
+  bool FramePop;
+  bool Breakpoint;
+  bool FieldAccess;
+  bool FieldModification;
+  bool MethodEntry;
+  bool MethodExit;
+  bool NativeMethodBind;
+  bool CompiledMethodLoad;
+  bool CompiledMethodUnload;
+  bool DynamicCodeGenerated;
+  bool DataDumpRequest;
+  bool reserved72;
+  bool MonitorWait;
+  bool MonitorWaited;
+  bool MonitorContendedEnter;
+  bool MonitorContendedEntered;
+  bool reserved77;
+  bool reserved78;
+  bool reserved79;
+  bool reserved80;
+  bool GarbageCollectionStart;
+  bool GarbageCollectionFinish;
+  bool ObjectFree;
+  bool VMObjectAlloc;
+};
+
+/* A macro to test whether an event should be posted to JVMTI.*/
+#define JVMTI_REQUESTED_EVENT(Event) __builtin_expect (JVMTI::Event, false)
+
+/* Post the event to requesting JVMTI environments.
+
+   For speed, this function should only be called after 
+   JVMTI_REQUESTED_EVENT is checked. */
+extern void _Jv_JVMTI_PostEvent (jvmtiEvent type, jthread event_thread,				 ...);
+#endif /* __GCJ_JVMTI_INT_H__ */

libjava/include/jvmti_md.h

@@ -27,6 +27,32 @@ executable file might be covered by the GNU General Public License. */
 #ifndef __GCJ_JVMTI_MD_H__
 #define __GCJ_JVMTI_MD_H__
 
-// nothing
+#ifdef __GCJ_JNI_IMPL__
+
+/* If __GCJ_JNI_IMPL__ is defined, then we assume that we're building
+   libgcj itself, and we include functions which should not be exposed
+   to JVMTI users. */
+
+/* The number of event slots needed to keep track of event reporting
+   constraints for an environment. This will only work if the order of
+   events listed in jvmtiEvent and jvmtiEventCallbacks is kept the same
+   (which should not be a problem). */
+#define EVENT_SLOTS \
+  (int)(JVMTI_EVENT_VM_OBJECT_ALLOC - JVMTI_EVENT_VM_INIT + 1)
+
+/* Contents of the jvmtiEnv; but only inside the implementation. */
+#define _CLASSPATH_JVMTIENV_CONTENTS					\
+  /* Event handlers registered via SetEventCallbacks */			\
+  jvmtiEventCallbacks callbacks;					\
+									\
+  /* Array of event thread for which to report event. */		\
+  /* NULL means all threads. One for each callback.   */		\
+  jthread thread[EVENT_SLOTS];						\
+  									\
+  /* Array of notification modes for callbacks. */			\
+  /* One for each callback.                     */			\
+  bool enabled[EVENT_SLOTS];
+
+#endif /* __GCJ_JNI_IMPL__ */
 
 #endif /* __GCJ_JVMTI_MD_H__ */

libjava/testsuite/libjava.jvmti/events.java

+// Test JVMTI event notifications
+
+public class events
+{
+  public static native void do_events_tests ();
+
+  public static void main (String[] args)
+  {
+    System.out.println ("JVMTI event notification tests");
+    do_events_tests ();
+  }
+}

libjava/testsuite/libjava.jvmti/events.out

+JVMTI event notification tests
+- enable tests -
+created JVMTI environment #0
+created JVMTI environment #1
+created JVMTI environment #2
+setting callbacks for envs
+RequestedEvents: 
+enable VM_INIT for env0, env1, env2
+RequestedEvents: VMInit,
+enable VM_DEATH for env1,env2
+RequestedEvents: VMInit,VMDeath,
+enable THREAD_END for env2
+RequestedEvents: VMInit,VMDeath,ThreadEnd,
+disposing of env1
+RequestedEvents: VMInit,VMDeath,ThreadEnd,
+disposing of env0
+RequestedEvents: VMInit,VMDeath,ThreadEnd,
+disable VMInit in env2
+RequestedEvents: VMDeath,ThreadEnd,
+clear VMDeath callback in env2
+RequestedEvents: ThreadEnd,
+sending VMInit
+sending ThreadEnd
+ThreadEndCB jni_env=0x5678 thread=0x1234
+sending VMDeath
+disposing of env2
+RequestedEvents: 
+- callback arg tests -
+RequestedEvents: VMInit,VMDeath,ThreadStart,ThreadEnd,ClassFileLoadHook,ClassLoad,ClassPrepare,VMStart,Exception,ExceptionCatch,SingleStep,FramePop,Breakpoint,FieldAccess,FieldModification,MethodEntry,MethodExit,NativeMethodBind,CompiledMethodLoad,CompiledMethodUnload,DynamicCodeGenerated,DataDumpRequest,MonitorWait,MonitorWaited,MonitorContendedEnter,MonitorContendedEntered,GarbageCollectionStart,GarbageCollectionFinish,ObjectFree,VMObjectAlloc,
+VMInitCB jni_env=0x1 thread=0x2
+VMDeathCB jni_env=0x1
+ThreadStartCB jni_env=0x1 thread=0x2
+ThreadEndCB jni_env=0x1 thread=0x2
+ClassFileLoadHookCB jni_env=0x1 class_being_redefined=0x2 loader=0x3 name=4 protection_domain=0x5 class_data_len=6 class_data=0x7 new_class_data_len=0x8 new_class_data=0x9
+ClassLoadCB jni_env=0x1 thread=0x2 klass=0x3
+ClassPrepareCB jni_env=0x1 thread=0x2 klass=0x3
+VMStartCB jni_env=0x1
+ExceptionCB jni_env=0x1 thread=0x2 method=0x3 location=0x4 exception=0x5 catch_method=0x6 catch_location=0x7
+ExceptionCatchCB jni_env=0x1 thread=0x2 method=0x3 location=0x4 exception=0x5
+SingleStepCB jni_env=0x1 thread=0x2 method=0x3 location=0x4
+FramePopCB jni_env=0x1 thread=0x2 method=0x3 was_pooped_by_exception=1
+BreakpointCB  jni_env=0x1 thread=0x2 method=0x3 location=0x4
+FieldAccessCB jni_env=0x1 thread=0x2 method=0x3 location=0x4 field_klass=0x5 object=0x6 field=0x7
+FieldModificationCB  jni_env=0x1 thread=0x2 method=0x3 location=0x4 field_klass=0x5 object=0x6 field=0x7 signature_type=8 new_value=9
+MethodEntryCB jni_env=0x1 thread=0x2 method=0x3
+MethodExitCB jni_env=0x1 thread=0x2 method=0x3 was_popped_by_exception=1 return_value=5
+NativeMethodBindCB jni_env=0x1 thread=0x2 method=0x3 address=0x4 new_address_ptr=0x5
+CompiledMethodLoadCB method=0x1 code_size=0x2 code_addr=0x3 map_length=4 map=0x5 compile_info=0x6
+CompiledMethodUnloadCB method=0x1 code_addr=0x2
+DynamicCodeGeneratedCB name=1 address=0x2 length=3
+DataDumpRequestCB
+MonitorWaitCB jni_env=0x1 thread=0x2 object=0x3 timeout=4
+MonitorWaitedCB jni_env=0x1 thread=0x2 object=0x3 timed_out=1
+MonitorContendedEnterCB jni_env=0x1 thread=0x2 object=0x3
+MonitorContendedEnteredCB jni_env=0x1 thread=0x2 object=0x3
+GarbageCollectionStartCB
+GarbageCollectionFinishCB
+ObjectFreeCB tag=1
+VMObjectAllocCB jni_env=0x1 thread=0x2 object=0x3 object_klass=0x4 size=5