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Code Issues Releases Wiki Activity

GP-2697 addressing code review comments

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This commit is contained in:
James 2022-11-22 20:34:06 +00:00
parent dbd2098a59
commit 7ab05db386
1 changed files with 12 additions and 8 deletions
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20
Ghidra/Features/Decompiler/ghidra_scripts/DecompilerStackProblemsFinderScript.java
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@ -30,6 +30,7 @@ import ghidra.program.model.address.*;
import ghidra.program.model.listing.Function;
import ghidra.program.model.listing.Program;
import ghidra.program.model.pcode.*;
import ghidra.util.exception.CancelledException;
import ghidra.util.task.TaskMonitor;
public class DecompilerStackProblemsFinderScript extends GhidraScript {
@ -65,6 +66,7 @@ public class DecompilerStackProblemsFinderScript extends GhidraScript {
}
finally {
callback.dispose();
monitor.checkCanceled();
}
TableChooserDialog tableDialog =
@ -86,7 +88,7 @@ public class DecompilerStackProblemsFinderScript extends GhidraScript {
}
private List<StackErrorRow> findStackErrors(DecompileResults results, TaskMonitor tMonitor)
throws Exception {
throws CancelledException {
List<StackErrorRow> rows = new ArrayList<>();
HighFunction highFunction = results.getHighFunction();
@ -96,16 +98,18 @@ public class DecompilerStackProblemsFinderScript extends GhidraScript {
AddressSetView body = results.getFunction().getBody();
AddressSpace addrSpace = body.getMinAddress().getAddressSpace();
Iterator<PcodeOpAST> ops = highFunction.getPcodeOps();
ops.forEachRemaining(op -> {
while (ops.hasNext()) {
tMonitor.checkCanceled();
PcodeOp op = ops.next();
if (op.getOpcode() != PcodeOp.COPY) {
return;
continue;
}
if (!op.getOutput().getAddress().isStackAddress()) {
return;
continue;
}
Varnode input = op.getInput(0);
if (!input.isConstant()) {
return;
continue;
}
try {
Address addr = addrSpace.getAddress(input.getOffset());
@ -117,9 +121,9 @@ public class DecompilerStackProblemsFinderScript extends GhidraScript {
catch (AddressOutOfBoundsException e) {
//this is can happen when the constant is an encoding of a floating
//point value.
return;
continue;
}
}
});
return rows;
}
@ -134,7 +138,7 @@ public class DecompilerStackProblemsFinderScript extends GhidraScript {
public void configure(DecompInterface decompiler) {
decompiler.toggleCCode(false);
decompiler.toggleSyntaxTree(true);
decompiler.setSimplificationStyle("decompile");
decompiler.setSimplificationStyle("normalize");
DecompileOptions opts = new DecompileOptions();
opts.grabFromProgram(p);
decompiler.setOptions(opts);