jvmti-int.h (_Jv_ReportJVMTIExceptionThrow): Declare.

        * include/jvmti-int.h (_Jv_ReportJVMTIExceptionThrow):
        Declare.
        * interpret.cc (_Jv_ReportJVMTIExceptionThrow): New function.
        (find_catch_location): New function.
        (REPORT_EXCEPTION): New macro.
        (throw_internal_error): Use REPORT_EXCEPTION.
        (throw_incompatible_class_change_error): Likewise.
        (throw_null_pointer_exception): Likewise.
        (throw_class_format_error): Likewise.
        * interpret-run.cc (INTERP_REPORT_EXCEPTION)[DEBUG]: Set
        to REPORT_EXCEPTION.
        (INTERP_REPORT_EXCEPTION)[!DEBUG]: Make nop.
        (insn_new): Use INTERP_REPORT_EXCEPTION.
        (insn_athrow): Likewise.
        Remove previous JVMTI exception notifications.
        Add JVMTI ExceptionCatch notificatin.
        * jni.cc (_Jv_PopSystemFrame): Notify JVMTI clients of
        exception throw.
        * gnu/gcj/jvmti/ExceptionEvent.java: Removed.
        * gnu/gcj/jvmti/ExceptionEvent.h: Removed.
        * classpath/lib/gnu/gcj/jvmti/ExceptionEvent.class: Removed.
        * gnu/classpath/jdwp/natVMVirtualMachine.cc
        (jdwpExceptionCB): New function.
        (jdwpVMInitCB): Set Exception event handler and enable.
        * sources.am: Regenerated.
        * Makefile.in: Regenerated.

From-SVN: r124406

3 files changed, 57 insertions, 140 deletions

diff --git a/libjava/gnu/classpath/jdwp/natVMVirtualMachine.cc b/libjava/gnu/classpath/jdwp/natVMVirtualMachine.cc
index 1dfc529..d6edf34 100644
--- a/libjava/gnu/classpath/jdwp/natVMVirtualMachine.cc
+++ b/libjava/gnu/classpath/jdwp/natVMVirtualMachine.cc
@@ -21,6 +21,7 @@ details. */
 #include <java/lang/String.h>
 #include <java/lang/StringBuilder.h>
 #include <java/lang/Thread.h>
+#include <java/lang/Throwable.h>
 #include <java/nio/ByteBuffer.h>
 #include <java/nio/ByteBufferImpl.h>
 #include <java/util/ArrayList.h>
@@ -37,6 +38,7 @@ details. */
 #include <gnu/classpath/jdwp/VMVirtualMachine.h>
 #include <gnu/classpath/jdwp/event/BreakpointEvent.h>
 #include <gnu/classpath/jdwp/event/ClassPrepareEvent.h>
+#include <gnu/classpath/jdwp/event/ExceptionEvent.h>
 #include <gnu/classpath/jdwp/event/EventManager.h>
 #include <gnu/classpath/jdwp/event/EventRequest.h>
 #include <gnu/classpath/jdwp/event/SingleStepEvent.h>
@@ -82,6 +84,9 @@ static void handle_single_step (jvmtiEnv *, struct step_info *, jthread,
 static void JNICALL jdwpBreakpointCB (jvmtiEnv *, JNIEnv *, jthread,
 				      jmethodID, jlocation);
 static void JNICALL jdwpClassPrepareCB (jvmtiEnv *, JNIEnv *, jthread, jclass);
+static void JNICALL jdwpExceptionCB (jvmtiEnv *, JNIEnv *jni_env, jthread,
+				     jmethodID, jlocation, jobject,
+				     jmethodID, jlocation);
 static void JNICALL jdwpSingleStepCB (jvmtiEnv *, JNIEnv *, jthread,
 				      jmethodID, jlocation);
 static void JNICALL jdwpThreadEndCB (jvmtiEnv *, JNIEnv *, jthread);
@@ -933,6 +938,56 @@ jdwpClassPrepareCB (MAYBE_UNUSED jvmtiEnv *env, MAYBE_UNUSED JNIEnv *jni_env,
 }
 
 static void JNICALL
+jdwpExceptionCB (jvmtiEnv *env, MAYBE_UNUSED JNIEnv *jni_env, jthread thread,
+		 jmethodID method, jlocation location, jobject exception,
+		 jmethodID catch_method, jlocation catch_location)
+{
+  using namespace gnu::classpath::jdwp;
+  jclass throw_klass;
+  jvmtiError err = env->GetMethodDeclaringClass (method, &throw_klass);
+  if (err != JVMTI_ERROR_NONE)
+    {
+      fprintf (stderr, "libgcj: internal error: could not find class for ");
+      fprintf (stderr, "method throwing exception -- continuing\n");
+      return;
+    }
+
+  VMMethod *vmmethod = new VMMethod (throw_klass,
+				     reinterpret_cast<jlong> (method));
+  Location *throw_loc = new Location (vmmethod, location);  
+  Location *catch_loc = NULL;
+  if (catch_method == 0)
+    catch_loc = Location::getEmptyLocation ();
+  else
+    {
+      jclass catch_klass;
+      err = env->GetMethodDeclaringClass (catch_method, &catch_klass);
+      if (err != JVMTI_ERROR_NONE)
+	{
+	  fprintf (stderr,
+		   "libgcj: internal error: could not find class for ");
+	  fprintf (stderr,
+		   "method catching exception -- ignoring\n");
+	}
+      else
+	{
+	  vmmethod = new VMMethod (catch_klass,
+				   reinterpret_cast<jlong> (catch_method));
+	  catch_loc = new Location (vmmethod, catch_location);
+	}
+    }
+
+  _Jv_InterpFrame *iframe
+    = reinterpret_cast<_Jv_InterpFrame *> (thread->interp_frame);
+  jobject instance = (iframe == NULL) ? NULL : iframe->get_this_ptr ();
+  Throwable *throwable = reinterpret_cast<Throwable *> (exception);
+  event::ExceptionEvent *e = new ExceptionEvent (throwable, thread,
+						 throw_loc, catch_loc,
+						 throw_klass, instance);
+  Jdwp::notify (e);
+}
+
+static void JNICALL
 jdwpSingleStepCB (jvmtiEnv *env, JNIEnv *jni_env, jthread thread,
 		  jmethodID method, jlocation location)
 {
@@ -1034,6 +1089,7 @@ jdwpVMInitCB (MAYBE_UNUSED jvmtiEnv *env, MAYBE_UNUSED JNIEnv *jni_env,
   jvmtiEventCallbacks callbacks;
   DEFINE_CALLBACK (callbacks, Breakpoint);
   DEFINE_CALLBACK (callbacks, ClassPrepare);
+  DEFINE_CALLBACK (callbacks, Exception);
   DEFINE_CALLBACK (callbacks, SingleStep);
   DEFINE_CALLBACK (callbacks, ThreadEnd);
   DEFINE_CALLBACK (callbacks, ThreadStart);
@@ -1043,6 +1099,7 @@ jdwpVMInitCB (MAYBE_UNUSED jvmtiEnv *env, MAYBE_UNUSED JNIEnv *jni_env,
   // Enable callbacks
   ENABLE_EVENT (BREAKPOINT, NULL);
   ENABLE_EVENT (CLASS_PREPARE, NULL);
+  ENABLE_EVENT (EXCEPTION, NULL);
   // SingleStep is enabled only when needed
   ENABLE_EVENT (THREAD_END, NULL);
   ENABLE_EVENT (THREAD_START, NULL);
diff --git a/libjava/gnu/gcj/jvmti/ExceptionEvent.h b/libjava/gnu/gcj/jvmti/ExceptionEvent.h
deleted file mode 100644
index 825c339..0000000
--- a/libjava/gnu/gcj/jvmti/ExceptionEvent.h
+++ /dev/null
@@ -1,44 +0,0 @@
-
-// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*-
-
-#ifndef __gnu_gcj_jvmti_ExceptionEvent__
-#define __gnu_gcj_jvmti_ExceptionEvent__
-
-#pragma interface
-
-#include <java/lang/Object.h>
-extern "Java"
-{
-  namespace gnu
-  {
-    namespace gcj
-    {
-      namespace jvmti
-      {
-          class ExceptionEvent;
-      }
-    }
-  }
-}
-
-class gnu::gcj::jvmti::ExceptionEvent : public ::java::lang::Object
-{
-
-  ExceptionEvent(::java::lang::Thread *, jlong, jlong, ::java::lang::Throwable *, jlong, jlong);
-public:
-  static void postExceptionEvent(::java::lang::Thread *, jlong, jlong, ::java::lang::Throwable *, jlong, jlong);
-  virtual void sendEvent();
-  virtual void checkCatch();
-private:
-  jlong __attribute__((aligned(__alignof__( ::java::lang::Object)))) _throwMeth;
-  jlong _throwLoc;
-  jlong _catchMeth;
-  jlong _catchLoc;
-  ::java::lang::Thread * _thread;
-  ::java::lang::Throwable * _ex;
-  static ::java::util::WeakHashMap * _exMap;
-public:
-  static ::java::lang::Class class$;
-};
-
-#endif // __gnu_gcj_jvmti_ExceptionEvent__
diff --git a/libjava/gnu/gcj/jvmti/ExceptionEvent.java b/libjava/gnu/gcj/jvmti/ExceptionEvent.java
deleted file mode 100644
index 26ddec2..0000000
--- a/libjava/gnu/gcj/jvmti/ExceptionEvent.java
+++ /dev/null
@@ -1,96 +0,0 @@
-// ExceptionEvent - an exception event for JVMTI
-
-/* Copyright (C) 2007  Free Software Foundation
-
-   This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
-details.  */
-
-package gnu.gcj.jvmti;
-
-import java.util.WeakHashMap;
-
-/**
- * Class to create and send JVMTI Exception events
- *
- * @author Kyle Galloway (kgallowa@redhat.com)
- */
-public class ExceptionEvent
-{
-  // Information about where the exception was thrown
-  private long _throwMeth, _throwLoc;
-  
-  // Information about where the exception was or can be caught
-  private long _catchMeth, _catchLoc;
-  
-  // Thread where the exception occurred
-  private Thread _thread;
-  
-  // The exception
-  private Throwable _ex;
-  
-  // A hash map of the exceptions we've already seen in a thread's call stack
-  private static WeakHashMap<Thread, Throwable> _exMap = new WeakHashMap<Thread, Throwable>();
-  
-  /**
-   * Constructs a new ExceptionEvent and sends it.  If it is not caught
-   * within the frame where it was thrown (catchMeth and catchLoc are null),
-   * check_catch will check for a possible catch further up the call stack 
-   * before marking it uncaught.
-   * 
-   * @param thr the thread where the exception occurred
-   * @param throwMeth the method of the throw (a jmethodID)
-   * @param throwLoc the location of the throw (a jlocation)
-   * @param ex the exception
-   * @param catchMeth the method of the catch (a jmethodID), null indicates
-   * that the exception was not caught in the frame where it was thrown
-   * @param catchLoc the location of the catch (a jlocation), null indicates
-   * that the exception was not caught in the frame where it was thrown
-   */
-  private ExceptionEvent(Thread thr, long throwMeth, long throwLoc,
-		                 Throwable ex, long catchMeth, long catchLoc)
-  {
-    this._thread = thr;
-    this._ex = ex;
-    this._throwMeth = throwMeth;
-    this._throwLoc = throwLoc;
-    this._catchMeth = catchMeth;
-    this._catchLoc = catchLoc;
-  }
-  
-  public static void postExceptionEvent(Thread thr, long throwMeth,
-		                                long throwLoc, Throwable ex,
-		                                long catchMeth, long catchLoc)
-  {
-    // Check to see if there is an entry for this Thread thr in the has map.
-	// If not, add the thread to the hash map and send an ExceptionEvent.
-	if (_exMap.containsKey(thr))
-	  {
-		// Check to see if we are receiving events for the same exception, or a
-		// new one.  If it is not the same exception beign rethrown, send a new
-		// event.
-	    if (!(_exMap.get(thr) == ex))
-	      {
-            _exMap.put(thr, ex);
-            ExceptionEvent event = new ExceptionEvent(thr, throwMeth,
-            		                                  throwLoc, ex, catchMeth,
-            		                                  catchLoc);  
-            event.sendEvent ();
-          }
-	  }
-	else
-	  {
-	    _exMap.put(thr, ex);
-	    ExceptionEvent event = new ExceptionEvent(thr, throwMeth,
-                                                  throwLoc, ex, catchMeth,
-                                                  catchLoc);
-	    event.sendEvent();
-	  }
-  }
-  
-  public native void sendEvent();
-  
-  public native void checkCatch();
-}