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GP-803 fixed emulation of binary ops with large 2nd input

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James
2021-03-24 16:58:35 +00:00
parent c524ecfbe8
commit 0ee52583fe
1 changed files with 2 additions and 1 deletions
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Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/pcode/emulate/Emulate.java
+2 -1
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@@ -475,8 +475,9 @@ public class Emulate {
else if (behave instanceof BinaryOpBehavior) { else if (behave instanceof BinaryOpBehavior) {
BinaryOpBehavior binaryBehave = (BinaryOpBehavior) behave; BinaryOpBehavior binaryBehave = (BinaryOpBehavior) behave;
Varnode in1var = op.getInput(0); Varnode in1var = op.getInput(0);
Varnode in2var = op.getInput(1);
Varnode outvar = op.getOutput(); Varnode outvar = op.getOutput();
if (in1var.getSize() > 8 || outvar.getSize() > 8) { if (in1var.getSize() > 8 || in2var.getSize() > 8 || outvar.getSize() > 8) {
BigInteger in1 = memstate.getBigInteger(op.getInput(0), false); BigInteger in1 = memstate.getBigInteger(op.getInput(0), false);
BigInteger in2 = memstate.getBigInteger(op.getInput(1), false); BigInteger in2 = memstate.getBigInteger(op.getInput(1), false);
BigInteger out = binaryBehave.evaluateBinary(outvar.getSize(), BigInteger out = binaryBehave.evaluateBinary(outvar.getSize(),