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Code Issues Releases Wiki Activity

GP-3613 Support for return storage on stack

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caheckman 2023-06-28 22:09:14 +00:00
parent 22e5c1a48b
commit e9b5be17c1
11 changed files with 345 additions and 62 deletions
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5
Ghidra/Features/Decompiler/src/decompile/cpp/fspec.hh
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@ -1479,9 +1479,11 @@ public:
void updateOutputNoTypes(const vector<Varnode *> &triallist,TypeFactory *factory);
void updateAllTypes(const vector<string> &namelist,const vector<Datatype *> &typelist,bool dtdtdt);
ProtoParameter *getParam(int4 i) const { return store->getInput(i); } ///< Get the i-th input parameter
void setParam(int4 i,const string &name,const ParameterPieces &piece) { store->setInput(i, name, piece); } ///< Set parameter storage directly
void removeParam(int4 i) { store->clearInput(i); } ///< Remove the i-th input parameter
int4 numParams(void) const { return store->getNumInputs(); } ///< Get the number of input parameters
ProtoParameter *getOutput(void) const { return store->getOutput(); } ///< Get the return value
void setOutput(const ParameterPieces &piece) { store->setOutput(piece); } ///< Set return value storage directly
Datatype *getOutputType(void) const { return store->getOutput()->getType(); } ///< Get the return value data-type
const RangeList &getLocalRange(void) const { return model->getLocalRange(); } ///< Get the range of potential local stack variables
const RangeList &getParamRange(void) const { return model->getParamRange(); } ///< Get the range of potential stack parameters
@ -1601,6 +1603,7 @@ class FuncCallSpecs : public FuncProto {
bool isinputactive; ///< Are we actively trying to recover input parameters
bool isoutputactive; ///< Are we actively trying to recover output parameters
bool isbadjumptable; ///< Was the call originally a jump-table we couldn't recover
bool isstackoutputlock; ///< Do we have a locked output on the stack
Varnode *getSpacebaseRelative(void) const; ///< Get the active stack-pointer Varnode at \b this call site
Varnode *buildParam(Funcdata &data,Varnode *vn,ProtoParameter *param,Varnode *stackref);
int4 transferLockedInputParam(ProtoParameter *param);
@ -1642,6 +1645,8 @@ public:
bool isOutputActive(void) const { return isoutputactive; } ///< Return \b true if return value recovery analysis is active
void setBadJumpTable(bool val) { isbadjumptable = val; } ///< Toggle whether \b call site looked like an indirect jump
bool isBadJumpTable(void) const { return isbadjumptable; } ///< Return \b true if \b this call site looked like an indirect jump
void setStackOutputLock(bool val) { isstackoutputlock = val; } ///< Toggle whether output is locked and on the stack
bool isStackOutputLock(void) const { return isstackoutputlock; } ///< Return \b true if return value is locked and on the stack
ParamActive *getActiveInput(void) { return &activeinput; } ///< Get the analysis object for input parameter recovery
ParamActive *getActiveOutput(void) { return &activeoutput; } ///< Get the analysis object for return value recovery