1 /*
   2  * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "ci/ciClassList.hpp"
  27 #include "ci/ciMethodHandle.hpp"
  28 #include "ci/ciUtilities.inline.hpp"
  29 #include "classfile/javaClasses.hpp"
  30 
  31 // ------------------------------------------------------------------
  32 // ciMethodHandle::get_vmtarget
  33 //
  34 // Return: MH.form -> LF.vmentry -> MN.vmtarget
  35 ciMethod* ciMethodHandle::get_vmtarget() const {
  36   VM_ENTRY_MARK;
  37   oop form_oop     = java_lang_invoke_MethodHandle::form(get_oop());
  38   oop vmentry_oop  = java_lang_invoke_LambdaForm::vmentry(form_oop);
  39   // FIXME: Share code with ciMemberName::get_vmtarget
  40   Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(vmentry_oop);
  41   if (vmtarget->is_method())
  42     return CURRENT_ENV->get_method((Method*) vmtarget);
  43   // FIXME: What if the vmtarget is a Klass?
  44   assert(false, "");
  45   return NULL;
  46 }