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Merge remote-tracking branch 'origin/patch'

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This commit is contained in:
Ryan Kurtz 2025-07-24 06:21:59 -04:00
commit 67943324c3
2 changed files with 18 additions and 3 deletions
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16
Ghidra/Features/Decompiler/src/decompile/cpp/coreaction.cc
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@ -4332,8 +4332,20 @@ void ActionConditionalConst::propagateConstant(Varnode *varVn,Varnode *constVn,F
// ...unless COPY is into something more interesting
}
if (constBlock->dominates(op->getParent())) {
int4 slot = op->getSlot(varVn);
data.opSetInput(op,constVn,slot); // Replace ref with constant!
if (opc == CPUI_RETURN){
// CPUI_RETURN ops can't directly take constants
// as inputs
PcodeOp *copyBeforeRet = data.newOp(1, op->getAddr());
data.opSetOpcode(copyBeforeRet,CPUI_COPY);
data.opSetInput(copyBeforeRet,constVn,0);
data.newVarnodeOut(varVn->getSize(),varVn->getAddr(),copyBeforeRet);
data.opSetInput(op,copyBeforeRet->getOut(),1);
data.opInsertBefore(copyBeforeRet,op);
}
else {
int4 slot = op->getSlot(varVn);
data.opSetInput(op,constVn,slot); // Replace ref with constant!
}
count += 1; // We made a change
}
}