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Code Issues Releases Wiki Activity

fine tuning for dominant COPY model

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This commit is contained in:
caheckman 2019-05-02 13:54:36 -04:00
parent faa69124ab
commit 62fe9ad75e
8 changed files with 198 additions and 127 deletions
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13
Ghidra/Features/Decompiler/src/decompile/cpp/variable.hh
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@ -63,6 +63,11 @@ private:
void updateFlags(void) const; ///< (Re)derive boolean properties of \b this from the member Varnodes
void updateCover(void) const; ///< (Re)derive the cover of \b this from the member Varnodes
void updateType(void) const; ///< (Re)derive the data-type for \b this from the member Varnodes
void setCopyIn1(void) const { highflags |= copy_in1; } ///< Mark the existence of one COPY into \b this
void setCopyIn2(void) const { highflags |= copy_in2; } ///< Mark the existence of two COPYs into \b this
void clearCopyIns(void) const { highflags &= ~(copy_in1 | copy_in2); } ///< Clear marks indicating COPYs into \b this
bool hasCopyIn1(void) const { return ((highflags&copy_in1)!=0); } ///< Is there at least one COPY into \b this
bool hasCopyIn2(void) const { return ((highflags&copy_in2)!=0); } ///< Is there at least two COPYs into \b this
public:
HighVariable(Varnode *vn); ///< Construct a HighVariable with a single member Varnode
Datatype *getType(void) const { updateType(); return type; } ///< Get the data-type
@ -110,11 +115,6 @@ public:
void setMark(void) const { flags |= Varnode::mark; } ///< Set the mark on this variable
void clearMark(void) const { flags &= ~Varnode::mark; } ///< Clear the mark on this variable
bool isMark(void) const { return ((flags&Varnode::mark)!=0); } ///< Return \b true if \b this is marked
void setCopyIn1(void) const { highflags |= copy_in1; } ///< Mark the existence of one COPY into \b this
void setCopyIn2(void) const { highflags |= copy_in2; } ///< Mark the existence of two COPYs into \b this
void clearCopyIns(void) const { highflags &= ~(copy_in1 | copy_in2); } ///< Clear marks indicating COPYs into \b this
bool hasCopyIn1(void) const { return ((highflags&copy_in1)!=0); } ///< Is there at least one COPY into \b this
bool hasCopyIn2(void) const { return ((highflags&copy_in2)!=0); } ///< Is there at least two COPYs into \b this
/// \brief Determine if \b this HighVariable has an associated cover.
///
@ -127,6 +127,9 @@ public:
bool isUnattached(void) const { return inst.empty(); } ///< Return \b true if \b this has no member Varnode
bool isTypeLock(void) const { updateType(); return ((flags & Varnode::typelock)!=0); } ///< Return \b true if \b this is \e typelocked
bool isNameLock(void) const { updateFlags(); return ((flags & Varnode::namelock)!=0); } ///< Return \b true if \b this is \e namelocked
#ifdef MERGEMULTI_DEBUG
void verifyCover(void) const;
#endif
// Varnode *findGlobalRep(void) const;
static bool compareName(Varnode *vn1,Varnode *vn2); ///< Determine which given Varnode is most nameable
static bool compareJustLoc(const Varnode *a,const Varnode *b); ///< Compare based on storage location