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GP-4045 add locking to sleigh .sla and slaspec files

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sla freshness checking and slaspec recompilation is now protected by a
lock file used as a mutex.

Added LanguageProvider.getLanguage(LanguageID, TaskMonitor monitor) to
better expose TaskMonitor and allow for canceling lock file attempt.
This commit is contained in:
dev747368
2026-01-14 22:19:47 +00:00
parent 8689976f94
commit c525661a4f
28 changed files with 2188 additions and 679 deletions
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20
Ghidra/Debug/Debugger/src/main/java/ghidra/app/plugin/core/debug/disassemble/DebuggerDisassemblerPlugin.java
View File

@@ -22,10 +22,10 @@ import docking.ActionContext;
import docking.Tool;
import docking.action.DockingActionIf;
import docking.actions.PopupActionProvider;
import generic.jar.ResourceFile;
import ghidra.app.plugin.PluginCategoryNames;
import ghidra.app.plugin.core.debug.DebuggerPluginPackage;
import ghidra.app.plugin.core.debug.gui.listing.DebuggerListingActionContext;
import ghidra.app.plugin.processors.sleigh.SleighLanguageDescription;
import ghidra.app.services.DebuggerPlatformService;
import ghidra.app.services.DebuggerTraceManagerService;
import ghidra.framework.plugintool.*;
@@ -202,27 +202,17 @@ public class DebuggerDisassemblerPlugin extends Plugin implements PopupActionPro
protected Collection<LanguageID> getAlternativeLanguageIDs(Language language) {
// One of the alternatives is the language's actual default
LanguageDescription desc = language.getLanguageDescription();
if (!(desc instanceof SleighLanguageDescription)) {
if (!(desc instanceof SleighLanguageDescription sld)) {
return List.of();
}
SleighLanguageDescription sld = (SleighLanguageDescription) desc;
ResourceFile slaFile = sld.getSlaFile();
List<LanguageID> result = new ArrayList<>();
LanguageService langServ = DefaultLanguageService.getLanguageService();
for (LanguageDescription altDesc : langServ.getLanguageDescriptions(false)) {
if (!(altDesc instanceof SleighLanguageDescription)) {
continue;
if (altDesc instanceof SleighLanguageDescription altSld &&
sld.isSameSleighLanguageFile(altSld) && sld.getEndian() == altSld.getEndian()) {
result.add(altSld.getLanguageID());
}
SleighLanguageDescription altSld = (SleighLanguageDescription) altDesc;
if (!altSld.getSlaFile().equals(slaFile)) {
continue;
}
if (altSld.getEndian() != sld.getEndian()) {
// Memory endian, not necessarily instruction endian
continue;
}
result.add(altSld.getLanguageID());
}
return result;
}

3
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/guest/DBTraceGuestPlatform.java
View File

@@ -23,6 +23,7 @@ import org.apache.commons.lang3.tuple.Pair;
import db.DBRecord;
import generic.jar.ResourceFile;
import ghidra.app.plugin.processors.sleigh.SleighLanguageDescription;
import ghidra.app.util.PseudoInstruction;
import ghidra.framework.data.OpenMode;
import ghidra.lifecycle.Internal;
@@ -304,7 +305,7 @@ public class DBTraceGuestPlatform extends DBAnnotatedObject
private static ResourceFile getSlaFile(Language language) {
SleighLanguageDescription desc =
(SleighLanguageDescription) language.getLanguageDescription();
return desc.getSlaFile();
return desc.getLanguageFile().getSlaFile();
}
@Override