hotspot/src/share/vm/ci/ciExceptionHandler.cpp
changeset 1 489c9b5090e2
child 4567 7fc02fbe5c7a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/ci/ciExceptionHandler.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,64 @@
+/*
+ * Copyright 1999-2003 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+#include "incls/_precompiled.incl"
+#include "incls/_ciExceptionHandler.cpp.incl"
+
+// ciExceptionHandler
+//
+// This class represents an exception handler for a method.
+
+// ------------------------------------------------------------------
+// ciExceptionHandler::catch_klass
+//
+// Get the exception klass that this handler catches.
+ciInstanceKlass* ciExceptionHandler::catch_klass() {
+  assert(!is_catch_all(), "bad index");
+  if (_catch_klass == NULL) {
+    bool will_link;
+    ciKlass* k = CURRENT_ENV->get_klass_by_index(_loading_klass,
+                                                 _catch_klass_index,
+                                                 will_link);
+    if (!will_link && k->is_loaded()) {
+      GUARDED_VM_ENTRY(
+        k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name());
+      )
+    }
+    _catch_klass = k->as_instance_klass();
+  }
+  return _catch_klass;
+}
+
+// ------------------------------------------------------------------
+// ciExceptionHandler::print()
+void ciExceptionHandler::print() {
+  tty->print("<ciExceptionHandler start=%d limit=%d"
+             " handler_bci=%d ex_klass_index=%d",
+             start(), limit(), handler_bci(), catch_klass_index());
+  if (_catch_klass != NULL) {
+    tty->print(" ex_klass=");
+    _catch_klass->print();
+  }
+  tty->print(">");
+}