Mercurial > hg > graal-compiler
view src/cpu/ppc/vm/javaFrameAnchor_ppc.hpp @ 19154:2d67f0540543
Use GraphBuilderPlugins.Registration mechanism to register GraalDirectivePlugins.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Thu, 05 Feb 2015 14:34:36 +0100 |
parents | 58cf34613a72 |
children | 92aa6797d639 |
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/* * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. * Copyright 2012, 2014 SAP AG. 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 CPU_PPC_VM_JAVAFRAMEANCHOR_PPC_HPP #define CPU_PPC_VM_JAVAFRAMEANCHOR_PPC_HPP public: // Each arch must define reset, save, restore // These are used by objects that only care about: // 1 - initializing a new state (thread creation, javaCalls) // 2 - saving a current state (javaCalls) // 3 - restoring an old state (javaCalls) inline void clear(void) { // clearing _last_Java_sp must be first _last_Java_sp = NULL; // fence? OrderAccess::release(); _last_Java_pc = NULL; } inline void set(intptr_t* sp, address pc) { _last_Java_pc = pc; OrderAccess::release(); _last_Java_sp = sp; } void copy(JavaFrameAnchor* src) { // In order to make sure the transition state is valid for "this". // We must clear _last_Java_sp before copying the rest of the new data. // // Hack Alert: Temporary bugfix for 4717480/4721647 // To act like previous version (pd_cache_state) don't NULL _last_Java_sp // unless the value is changing. if (_last_Java_sp != src->_last_Java_sp) { _last_Java_sp = NULL; OrderAccess::release(); } _last_Java_pc = src->_last_Java_pc; // Must be last so profiler will always see valid frame if has_last_frame() is true. OrderAccess::release(); _last_Java_sp = src->_last_Java_sp; } // Always walkable. bool walkable(void) { return true; } // Never any thing to do since we are always walkable and can find address of return addresses. void make_walkable(JavaThread* thread) { } intptr_t* last_Java_sp(void) const { return _last_Java_sp; } address last_Java_pc(void) { return _last_Java_pc; } void set_last_Java_sp(intptr_t* sp) { OrderAccess::release(); _last_Java_sp = sp; } #endif // CPU_PPC_VM_JAVAFRAMEANCHOR_PPC_HPP