Mercurial > hg > graal-compiler
view src/share/vm/ci/ciArray.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 | f95d63e2154a |
children | edb5ab0f3fe5 |
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/* * Copyright (c) 1999, 2010, 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_CIARRAY_HPP #define SHARE_VM_CI_CIARRAY_HPP #include "ci/ciObject.hpp" #include "oops/arrayOop.hpp" #include "oops/objArrayOop.hpp" #include "oops/typeArrayOop.hpp" // ciArray // // This class represents an arrayOop in the HotSpot virtual // machine. class ciArray : public ciObject { private: int _length; protected: ciArray( arrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {} ciArray( objArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {} ciArray(typeArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {} ciArray(ciKlass* klass, int len) : ciObject(klass), _length(len) {} arrayOop get_arrayOop() { return (arrayOop)get_oop(); } const char* type_string() { return "ciArray"; } void print_impl(outputStream* st); public: int length() { return _length; } // What kind of ciObject is this? bool is_array() { return true; } bool is_java_object() { return true; } }; #endif // SHARE_VM_CI_CIARRAY_HPP