jdk8-mips64-public/hotspot: src/share/vm/ci/ciMethodHandle.hpp@5eb9169b1a14 (annotated)

src/share/vm/ci/ciMethodHandle.hpp@5eb9169b1a14 (annotated)

src/share/vm/ci/ciMethodHandle.hpp

Wed, 12 Oct 2011 21:00:13 -0700

author: twisti
date: Wed, 12 Oct 2011 21:00:13 -0700
changeset 3197: 5eb9169b1a14
parent 3105: c26de9aef2ed
child 3245: e0658a9b3f87
permissions: -rw-r--r--

7092712: JSR 292: unloaded invokedynamic call sites can lead to a crash with signature types not on BCP
Reviewed-by: jrose, never

 /*
  * Copyright (c) 2009, 2011, 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.
  *
  */
 #ifndef SHARE_VM_CI_CIMETHODHANDLE_HPP
 #define SHARE_VM_CI_CIMETHODHANDLE_HPP
 #include "ci/ciCallProfile.hpp"
 #include "ci/ciInstance.hpp"
 #include "prims/methodHandles.hpp"
 // ciMethodHandle
 //
 // The class represents a java.lang.invoke.MethodHandle object.
 class ciMethodHandle : public ciInstance {
 private:
   ciMethod*      _callee;
   ciMethod*      _caller;
   ciCallProfile  _profile;
   ciMethod*      _method_handle_adapter;
   ciMethod*      _invokedynamic_adapter;
   // Return an adapter for this MethodHandle.
   ciMethod* get_adapter_impl(bool is_invokedynamic);
   ciMethod* get_adapter(     bool is_invokedynamic);
 protected:
   void print_chain_impl(outputStream* st) PRODUCT_RETURN;
 public:
   ciMethodHandle(instanceHandle h_i) :
     ciInstance(h_i),
     _callee(NULL),
     _caller(NULL),
     _method_handle_adapter(NULL),
     _invokedynamic_adapter(NULL)
   {}
   // What kind of ciObject is this?
   bool is_method_handle() const { return true; }
   void set_callee(ciMethod* m)                  { _callee  = m;       }
   void set_caller(ciMethod* m)                  { _caller  = m;       }
   void set_call_profile(ciCallProfile profile)  { _profile = profile; }
   // Return an adapter for a MethodHandle call.
   ciMethod* get_method_handle_adapter() {
     if (_method_handle_adapter == NULL) {
       _method_handle_adapter = get_adapter(false);
     }
     return _method_handle_adapter;
   }
   // Return an adapter for an invokedynamic call.
   ciMethod* get_invokedynamic_adapter() {
     if (_invokedynamic_adapter == NULL) {
       _invokedynamic_adapter = get_adapter(true);
     }
     return _invokedynamic_adapter;
   }
   void print_chain(outputStream* st = tty) PRODUCT_RETURN;
 };
 #endif // SHARE_VM_CI_CIMETHODHANDLE_HPP

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/ci/ciMethodHandle.hpp@5eb9169b1a14 (annotated)

src/share/vm/ci/ciMethodHandle.hpp