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Code Issues Releases Wiki Activity

GP-385: Prevent re-goto-PC on memory bytes change

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Dan 2022-06-13 13:49:59 -04:00
parent 592edd3843
commit 6bbacbc3f9
1 changed files with 15 additions and 0 deletions
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15
Ghidra/Debug/Debugger/src/main/java/ghidra/app/plugin/core/debug/gui/listing/DebuggerListingProvider.java
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@ -295,6 +295,8 @@ public class DebuggerListingProvider extends CodeViewerProvider {
protected final boolean isMainListing;
private long countAddressesInIndex;
public DebuggerListingProvider(DebuggerListingPlugin plugin, FormatManager formatManager,
boolean isConnected) {
super(plugin, formatManager, isConnected);
@ -722,6 +724,19 @@ public class DebuggerListingProvider extends CodeViewerProvider {
@Override
public void stateChanged(ChangeEvent e) {
super.stateChanged(e);
/*
* It seems this method gets called a bit spuriously. A change in bytes, which does not
* imply a change in layout, will also land us here. Thus, we do some simple test here to
* verify that the layout has actually changed. A good proxy is if the number of addresses
* in the listing has changed. To detect that, we have to record what we've seen each
* change.
*/
long newCountAddressesInIndex =
getListingPanel().getAddressIndexMap().getIndexedAddressSet().getNumAddresses();
if (this.countAddressesInIndex == newCountAddressesInIndex) {
return;
}
this.countAddressesInIndex = newCountAddressesInIndex;
ProgramLocation trackedLocation = trackingTrait.getTrackedLocation();
if (trackedLocation != null && !isEffectivelyDifferent(getLocation(), trackedLocation)) {
cbGoTo.invoke(() -> getListingPanel().goTo(trackedLocation, true));