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Merge branch 'patch'

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ghidra1 2019-04-26 14:43:57 -04:00
commit 5fa4e7a225
2 changed files with 56 additions and 30 deletions
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8
Ghidra/Features/Decompiler/src/decompile/cpp/ruleaction.cc
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@ -3192,7 +3192,13 @@ int4 RuleShiftPiece::applyOp(PcodeOp *op,Funcdata &data)
(zexthiop->code()!= CPUI_INT_SEXT))
return 0;
vn1 = zexthiop->getIn(0);
if (vn1->isFree()) return 0;
if (vn1->isConstant()) {
if (vn1->getSize() < sizeof(uintb))
return 0; // Normally we let ZEXT of a constant collapse naturally
// But if the ZEXTed constant is too big, this won't happen
}
else if (vn1->isFree())
return 0;
int4 sa = shiftop->getIn(1)->getOffset();
int4 concatsize = sa + 8*vn1->getSize();
if (op->getOut()->getSize() * 8 < concatsize) return 0;