8006fe8f75
Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg
86 lines
3.3 KiB
C++
86 lines
3.3 KiB
C++
/*
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* Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright 2008, 2009 Red Hat, Inc.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_VM_SHARK_SHARKSTATESCANNER_HPP
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#define SHARE_VM_SHARK_SHARKSTATESCANNER_HPP
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#include "memory/allocation.hpp"
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#include "shark/llvmHeaders.hpp"
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#include "shark/sharkFunction.hpp"
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#include "shark/sharkInvariants.hpp"
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class SharkState;
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class SharkStateScanner : public SharkTargetInvariants {
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protected:
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SharkStateScanner(SharkFunction* function)
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: SharkTargetInvariants(function), _stack(function->stack()) {}
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private:
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SharkStack* _stack;
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protected:
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SharkStack* stack() const {
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return _stack;
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}
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// Scan the frame
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public:
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void scan(SharkState* state);
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// Callbacks
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// Note that the offsets supplied to the various process_* callbacks
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// are specified in wordSize words from the frame's unextended_sp.
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protected:
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virtual void start_frame() {}
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virtual void start_stack(int stack_depth) {}
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virtual void process_stack_slot(int index, SharkValue** value, int offset) {}
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virtual void end_stack() {}
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virtual void start_monitors(int num_monitors) {}
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virtual void process_monitor(int index, int box_offset, int obj_offset) {}
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virtual void end_monitors() {}
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virtual void start_frame_header() {}
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virtual void process_oop_tmp_slot(llvm::Value** value, int offset) {}
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virtual void process_method_slot(llvm::Value** value, int offset) {}
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virtual void process_pc_slot(int offset) {}
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virtual void end_frame_header() {}
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virtual void start_locals() {}
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virtual void process_local_slot(int index, SharkValue** value, int offset) {}
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virtual void end_locals() {}
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virtual void end_frame() {}
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// Integrity checks
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private:
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void stack_integrity_checks(SharkState* state) PRODUCT_RETURN;
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void locals_integrity_checks(SharkState* state) PRODUCT_RETURN;
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};
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#endif // SHARE_VM_SHARK_SHARKSTATESCANNER_HPP
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