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Code Issues Releases Wiki Activity

Adjustments to onlyOpUse

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This commit is contained in:
caheckman 2021-03-16 16:31:03 -04:00
parent c524ecfbe8
commit 996f052a79
6 changed files with 105 additions and 36 deletions
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12
Ghidra/Features/Decompiler/src/decompile/cpp/funcdata.hh
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@ -58,6 +58,11 @@ class Funcdata {
baddata_present = 0x800, ///< Set if function flowed into bad data
double_precis_on = 0x1000 ///< Set if we are performing double precision recovery
};
enum {
traverse_actionalt = 1, ///< Alternate path traverses a solid action or \e non-incidental COPY
traverse_indirect = 2, ///< Main path traverses an INDIRECT
traverse_indirectalt = 4 ///< Alternate path traverses an INDIRECT
};
uint4 flags; ///< Boolean properties associated with \b this function
uint4 clean_up_index; ///< Creation index of first Varnode created after start of cleanup
uint4 high_level_index; ///< Creation index of first Varnode created after HighVariables are created
@ -116,6 +121,7 @@ class Funcdata {
void nodeSplitCloneVarnode(PcodeOp *op,PcodeOp *newop);
void nodeSplitRawDuplicate(BlockBasic *b,BlockBasic *bprime);
void nodeSplitInputPatch(BlockBasic *b,BlockBasic *bprime,int4 inedge);
static bool isAlternatePathValid(const Varnode *vn,uint4 flags);
static bool descendantsOutside(Varnode *vn);
static void saveVarnodeXml(ostream &s,VarnodeLocSet::const_iterator iter,VarnodeLocSet::const_iterator enditer);
static bool checkIndirectUse(Varnode *vn);
@ -363,9 +369,9 @@ public:
HighVariable *findHigh(const string &name) const; ///< Find a high-level variable by name
void mapGlobals(void); ///< Make sure there is a Symbol entry for all global Varnodes
bool checkCallDoubleUse(const PcodeOp *opmatch,const PcodeOp *op,const Varnode *vn,const ParamTrial &trial) const;
bool onlyOpUse(const Varnode *invn,const PcodeOp *opmatch,const ParamTrial &trial) const;
bool ancestorOpUse(int4 maxlevel,const Varnode *invn,const PcodeOp *op,ParamTrial &trial) const;
bool checkCallDoubleUse(const PcodeOp *opmatch,const PcodeOp *op,const Varnode *vn,uint4 flags,const ParamTrial &trial) const;
bool onlyOpUse(const Varnode *invn,const PcodeOp *opmatch,const ParamTrial &trial,uint4 mainFlags) const;
bool ancestorOpUse(int4 maxlevel,const Varnode *invn,const PcodeOp *op,ParamTrial &trial,uint4 mainFlags) const;
bool syncVarnodesWithSymbols(const ScopeLocal *lm,bool typesyes);
void transferVarnodeProperties(Varnode *vn,Varnode *newVn,int4 lsbOffset);
bool fillinReadOnly(Varnode *vn); ///< Replace the given Varnode with its (constant) value in the load image