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Code Issues Releases Wiki Activity

GP-5501 improved rtti script gcc typeinfo creation

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ghidra007 2025-03-18 19:03:54 +00:00
parent 227497e0fa
commit e9e127da89
1 changed files with 18 additions and 6 deletions
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20
Ghidra/Features/Decompiler/ghidra_scripts/classrecovery/RTTIGccClassRecoverer.java
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@ -2285,7 +2285,13 @@ public class RTTIGccClassRecoverer extends RTTIClassRecoverer {
monitor.checkCancelled(); monitor.checkCancelled();
if (specialTypeinfo.isInProgramMemory()) { if (specialTypeinfo.isInProgramMemory()) {
Data struct =
applyTypeinfoStructure(siClassTypeInfoStructure, specialTypeinfo.getAddress()); applyTypeinfoStructure(siClassTypeInfoStructure, specialTypeinfo.getAddress());
if (struct == null) {
Msg.error(this,
specialTypeinfo.getNamespace().getName() + ": cannot apply structure");
continue;
}
typeinfoToStructuretypeMap.put(specialTypeinfo.getAddress(), typeinfoToStructuretypeMap.put(specialTypeinfo.getAddress(),
SI_CLASS_TYPE_INFO_STRUCTURE); SI_CLASS_TYPE_INFO_STRUCTURE);
} }
@ -2725,14 +2731,20 @@ public class RTTIGccClassRecoverer extends RTTIClassRecoverer {
} }
private Data applyTypeinfoStructure(Structure typeInfoStructure, Address typeinfoAddress) private Data applyTypeinfoStructure(Structure typeInfoStructure, Address typeinfoAddress) {
throws CancelledException, AddressOutOfBoundsException, Exception {
api.clearListing(typeinfoAddress, typeinfoAddress.add(typeInfoStructure.getLength() - 1)); try {
api.clearListing(typeinfoAddress,
typeinfoAddress.add(typeInfoStructure.getLength() - 1));
Data newStructure = api.createData(typeinfoAddress, typeInfoStructure); Data newStructure = api.createData(typeinfoAddress, typeInfoStructure);
return newStructure; return newStructure;
} }
catch (CodeUnitInsertionException | CancelledException e) {
Msg.warn(this, "Could not apply typeinfo struct at " + typeinfoAddress.toString());
return null;
}
}
private Structure getOrCreateVmiTypeinfoStructure(Address typeinfoAddress, private Structure getOrCreateVmiTypeinfoStructure(Address typeinfoAddress,
StructureDataType baseClassTypeInfoStructure) throws CancelledException { StructureDataType baseClassTypeInfoStructure) throws CancelledException {