Mercurial > hg > graal-compiler
view src/share/vm/ci/ciMethodHandle.hpp @ 3405:8cbcd406c42e
7042740: CMS: assert(n> q) failed: Looping at: ... blockOffsetTable.cpp:557
Summary: Do a one-step look-ahead, when sweeping free or garbage blocks, to avoid overstepping sweep limit, which may become a non-block-boundary because of a heap expansion delta coalescing with a previously co-terminal free block.
Reviewed-by: brutisso, tonyp
author | ysr |
---|---|
date | Fri, 27 May 2011 15:05:33 -0700 |
parents | fabcf26ee72f |
children | f56542cb325a |
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/* * 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; // Return an adapter for this MethodHandle. ciMethod* get_adapter_impl(bool is_invokedynamic) const; ciMethod* get_adapter( bool is_invokedynamic) const; protected: void print_impl(outputStream* st); public: ciMethodHandle(instanceHandle h_i) : ciInstance(h_i), _callee(NULL), _caller(NULL), _profile(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() const { return get_adapter(false); } // Return an adapter for an invokedynamic call. ciMethod* get_invokedynamic_adapter() const { return get_adapter(true); } }; #endif // SHARE_VM_CI_CIMETHODHANDLE_HPP