derek.holloway
7502bf64a4
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58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
#ifndef JUMP_TABLE_FORMAT_PRED_H
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#define JUMP_TABLE_FORMAT_PRED_H
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#include <string>
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#include <utility>
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#include "CFG.h"
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#include "slicing.h"
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#include "Edge.h"
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#include "ThunkData.h"
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#include "Graph.h"
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#include "SymbolicExpression.h"
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//#include "BoundFactCalculator.h"
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using namespace Dyninst;
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class JumpTableFormatPred : public Slicer::Predicates {
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public:
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ParseAPI::Function *func;
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ParseAPI::Block *block;
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ReachFact &rf;
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ThunkData &thunks;
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SymbolicExpression &se;
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bool jumpTableFormat;
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bool findIndex;
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bool findTableBase;
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AbsRegion index;
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Assignment::Ptr indexLoc;
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bool firstMemoryRead;
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Assignment::Ptr memLoc;
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AST::Ptr jumpTargetExpr;
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set<Address> constAddr;
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dyn_hash_map<Assignment::Ptr, std::pair<AST::Ptr, AST::Ptr>, Assignment::AssignmentPtrHasher> aliases;
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// On ppc 64, r2 is reserved for storing the address of the global offset table
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Address toc_address;
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virtual bool modifyCurrentFrame(Slicer::SliceFrame &frame, Graph::Ptr g, Slicer*);
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std::string format();
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bool isJumpTableFormat() { return jumpTableFormat && findIndex && findTableBase && memLoc;}
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bool findRead(Graph::Ptr g, SliceNode::Ptr &);
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bool adjustSliceFrame(Slicer::SliceFrame &frame, SliceNode::Ptr, Slicer*);
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bool isTOCRead(Slicer::SliceFrame &frame, SliceNode::Ptr);
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void FindTOC();
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JumpTableFormatPred(ParseAPI::Function *f,
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ParseAPI::Block *b,
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ReachFact &r,
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ThunkData &t,
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SymbolicExpression &sym);
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virtual bool ignoreEdge(ParseAPI::Edge *e);
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virtual int slicingSizeLimitFactor() { return 100; }
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//virtual bool endAtPoint(AssignmentPtr) override;
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};
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#endif
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