src/hotspot/share/ci/ciMethodHandle.cpp
changeset 47216 71c04702a3d5
parent 13728 882756847a04
child 49449 ef5d5d343e2a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/ci/ciMethodHandle.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2009, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "ci/ciClassList.hpp"
+#include "ci/ciMethodHandle.hpp"
+#include "ci/ciUtilities.hpp"
+#include "classfile/javaClasses.hpp"
+
+// ------------------------------------------------------------------
+// ciMethodHandle::get_vmtarget
+//
+// Return: MH.form -> LF.vmentry -> MN.vmtarget
+ciMethod* ciMethodHandle::get_vmtarget() const {
+  VM_ENTRY_MARK;
+  oop form_oop     = java_lang_invoke_MethodHandle::form(get_oop());
+  oop vmentry_oop  = java_lang_invoke_LambdaForm::vmentry(form_oop);
+  // FIXME: Share code with ciMemberName::get_vmtarget
+  Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(vmentry_oop);
+  if (vmtarget->is_method())
+    return CURRENT_ENV->get_method((Method*) vmtarget);
+  // FIXME: What if the vmtarget is a Klass?
+  assert(false, "");
+  return NULL;
+}