Mercurial > hg > graal-jvmci-8
view src/cpu/zero/vm/frame_zero.hpp @ 1345:747d26efc5fa
6939180: Zero locking fix
Summary: When Zero is running with Shark enabled threads can be left with their _do_not_unlock_if_synchronized flag incorrectly set.
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
author | twisti |
---|---|
date | Tue, 30 Mar 2010 00:57:55 -0700 |
parents | 8e7adf982378 |
children | 0c5b3cf3c1f5 |
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/* * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. * Copyright 2007, 2008, 2009 Red Hat, Inc. * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // A frame represents a physical stack frame on the Zero stack. public: enum { pc_return_offset = 0 }; // Constructor public: frame(intptr_t* sp, intptr_t* fp); // The sp of a Zero frame is the address of the highest word in // that frame. We keep track of the lowest address too, so the // boundaries of the frame are available for debug printing. private: intptr_t* _fp; public: intptr_t* fp() const { return _fp; } #ifdef CC_INTERP inline interpreterState get_interpreterState() const; #endif // CC_INTERP public: const ZeroFrame *zeroframe() const { return (ZeroFrame *) sp(); } const EntryFrame *zero_entryframe() const { return zeroframe()->as_entry_frame(); } const InterpreterFrame *zero_interpreterframe() const { return zeroframe()->as_interpreter_frame(); } const SharkFrame *zero_sharkframe() const { return zeroframe()->as_shark_frame(); } public: frame sender_for_nonentry_frame(RegisterMap* map) const; public: void zero_print_on_error(int index, outputStream* st, char* buf, int buflen) const;