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Code Issues Releases Wiki Activity

Parameters with persist property

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This commit is contained in:
caheckman 2020-06-22 15:13:35 -04:00
parent 84e4b8c6fe
commit 7329198ad7
10 changed files with 96 additions and 36 deletions
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50
Ghidra/Features/Decompiler/src/decompile/cpp/fspec.cc
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@ -3182,9 +3182,10 @@ void FuncProto::cancelInjectId(void)
/// given a list of Varnodes and their associated trial information,
/// create an input parameter for each trial in order, grabbing data-type
/// information from the Varnode. Any old input parameters are cleared.
/// \param data is the function containing the trial Varnodes
/// \param triallist is the list of Varnodes
/// \param activeinput is the trial container
void FuncProto::updateInputTypes(const vector<Varnode *> &triallist,ParamActive *activeinput)
void FuncProto::updateInputTypes(Funcdata &data,const vector<Varnode *> &triallist,ParamActive *activeinput)
{
if (isInputLocked()) return; // Input is locked, do no updating
@ -3195,15 +3196,25 @@ void FuncProto::updateInputTypes(const vector<Varnode *> &triallist,ParamActive
ParamTrial &trial(activeinput->getTrial(i));
if (trial.isUsed()) {
Varnode *vn = triallist[trial.getSlot()-1];
if (!vn->isMark()) {
ParameterPieces pieces;
if (vn->isMark()) continue;
ParameterPieces pieces;
if (vn->isPersist()) {
int4 sz;
pieces.addr = data.findDisjointCover(vn, sz);
if (sz == vn->getSize())
pieces.type = vn->getHigh()->getType();
else
pieces.type = data.getArch()->types->getBase(sz, TYPE_UNKNOWN);
pieces.flags = 0;
}
else {
pieces.addr = trial.getAddress();
pieces.type = vn->getHigh()->getType();
pieces.flags = 0;
store->setInput(count,"",pieces);
count += 1;
vn->setMark(); // Make sure vn is used only once
}
store->setInput(count,"",pieces);
count += 1;
vn->setMark();
}
}
for(int4 i=0;i<triallist.size();++i)
@ -3215,29 +3226,36 @@ void FuncProto::updateInputTypes(const vector<Varnode *> &triallist,ParamActive
/// This is accomplished in the same way as if there were data-types but instead of
/// pulling a data-type from the Varnode, only the size is used.
/// Undefined data-types are pulled from the given TypeFactory
/// \param data is the function containing the trial Varnodes
/// \param triallist is the list of Varnodes
/// \param activeinput is the trial container
/// \param factory is the given TypeFactory
void FuncProto::updateInputNoTypes(const vector<Varnode *> &triallist,ParamActive *activeinput,
TypeFactory *factory)
void FuncProto::updateInputNoTypes(Funcdata &data,const vector<Varnode *> &triallist,ParamActive *activeinput)
{
if (isInputLocked()) return; // Input is locked, do no updating
store->clearAllInputs();
int4 count = 0;
int4 numtrials = activeinput->getNumTrials();
TypeFactory *factory = data.getArch()->types;
for(int4 i=0;i<numtrials;++i) {
ParamTrial &trial(activeinput->getTrial(i));
if (trial.isUsed()) {
Varnode *vn = triallist[trial.getSlot()-1];
if (!vn->isMark()) {
ParameterPieces pieces;
pieces.type = factory->getBase(vn->getSize(),TYPE_UNKNOWN);
pieces.addr = trial.getAddress();
if (vn->isMark()) continue;
ParameterPieces pieces;
if (vn->isPersist()) {
int4 sz;
pieces.addr = data.findDisjointCover(vn, sz);
pieces.type = factory->getBase(sz, TYPE_UNKNOWN);
pieces.flags = 0;
store->setInput(count,"",pieces);
count += 1;
vn->setMark(); // Make sure vn is used only once
}
else {
pieces.addr = trial.getAddress();
pieces.type = factory->getBase(vn->getSize(),TYPE_UNKNOWN);
pieces.flags = 0;
}
store->setInput(count,"",pieces);
count += 1;
vn->setMark(); // Make sure vn is used only once
}
}
for(int4 i=0;i<triallist.size();++i)