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Code Issues Releases Wiki Activity

GP-4715 SSA revisit MemRange

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This commit is contained in:
caheckman 2024-09-30 22:36:53 +00:00
parent a3d0b40f36
commit 23d43b8167
11 changed files with 229 additions and 113 deletions
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6
Ghidra/Features/Decompiler/src/decompile/cpp/double.cc
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@ -1403,7 +1403,7 @@ void SplitVarnode::replaceCopyForce(Funcdata &data,const Address &addr,SplitVarn
{
Varnode *inVn = in.getWhole();
bool returnForm = copyhi->stopsCopyPropagation();
bool returnForm = copyhi->isReturnCopy();
if (returnForm && inVn->getAddr() != addr) {
// Placeholder for global propagation past a RETURN needs an additional COPY
PcodeOp *otherPoint1 = copyhi->getIn(0)->getDef();
@ -1423,7 +1423,7 @@ void SplitVarnode::replaceCopyForce(Funcdata &data,const Address &addr,SplitVarn
Varnode *outVn = data.newVarnodeOut(in.getSize(), addr, wholeCopy);
outVn->setAddrForce();
if (returnForm)
wholeCopy->setStopCopyPropagation();
data.markReturnCopy(wholeCopy);
data.opSetInput(wholeCopy,inVn,0);
data.opInsertBefore(wholeCopy, copyhi);
data.opDestroy(copyhi); // Destroy the original COPYs. Outputs have no descendants.
@ -3156,7 +3156,7 @@ bool CopyForceForm::verify(Varnode *h,Varnode *l,Varnode *w,PcodeOp *cpy)
continue;
if (!SplitVarnode::isAddrTiedContiguous(reslo, reshi, addrOut)) // Output MUST be contiguous addresses
continue;
if (copyhi->stopsCopyPropagation()) { // Special form has additional requirements
if (copyhi->isReturnCopy()) { // Special form has additional requirements
if (h->loneDescend() == (PcodeOp *)0)
continue;
if (l->loneDescend() == (PcodeOp *)0)