Mercurial > hg > truffle
view src/share/vm/shark/sharkStateScanner.hpp @ 1949:058f494c8b6d
Merge
author | trims |
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date | Fri, 10 Dec 2010 15:46:59 -0800 |
parents | d2ede61b7a12 |
children | f95d63e2154a |
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/* * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved. * Copyright 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ class SharkState; class SharkStateScanner : public SharkTargetInvariants { protected: SharkStateScanner(SharkFunction* function) : SharkTargetInvariants(function), _stack(function->stack()) {} private: SharkStack* _stack; protected: SharkStack* stack() const { return _stack; } // Scan the frame public: void scan(SharkState* state); // Callbacks // Note that the offsets supplied to the various process_* callbacks // are specified in wordSize words from the frame's unextended_sp. protected: virtual void start_frame() {} virtual void start_stack(int stack_depth) {} virtual void process_stack_slot(int index, SharkValue** value, int offset) {} virtual void end_stack() {} virtual void start_monitors(int num_monitors) {} virtual void process_monitor(int index, int box_offset, int obj_offset) {} virtual void end_monitors() {} virtual void start_frame_header() {} virtual void process_oop_tmp_slot(llvm::Value** value, int offset) {} virtual void process_method_slot(llvm::Value** value, int offset) {} virtual void process_pc_slot(int offset) {} virtual void end_frame_header() {} virtual void start_locals() {} virtual void process_local_slot(int index, SharkValue** value, int offset) {} virtual void end_locals() {} virtual void end_frame() {} // Integrity checks private: void stack_integrity_checks(SharkState* state) PRODUCT_RETURN; void locals_integrity_checks(SharkState* state) PRODUCT_RETURN; };