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GP-4376 Updated gcc class recovery to allow for special typeinfos that

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are not in program memory or external block. Also updated to add a check
for unhandled relocations. Also updated to allow for non-mangled
typeinfo-name strings.
This commit is contained in:
ghidra007 2024-03-06 17:00:26 +00:00
parent 3e35b4d4a7
commit b04d5335ca
5 changed files with 318 additions and 128 deletions
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27
Ghidra/Features/Decompiler/ghidra_scripts/classrecovery/Vtable.java
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@ -80,7 +80,9 @@ public class Vtable {
this.monitor = monitor;
this.typeinfoRefAddress = typeinfoRef.getAddress();
this.typeinfo = (GccTypeinfo) typeinfoRef.getReferencedTypeinfo();
this.typeinfoNamespace = typeinfo.getNamespace();
if (this.typeinfo != null) {
this.typeinfoNamespace = typeinfo.getNamespace();
}
AddressSpace addressSpace = vtableAddress.getAddressSpace();
defaultPointerSize = addressSpace.getPointerSize();
@ -390,9 +392,6 @@ public class Vtable {
*/
private boolean isPossibleFunctionPointer(Address address) throws CancelledException {
// TODO: make one that works for all casea in helper
// TODO: make sure it recognizes the external functions
long longValue = extendedFlatAPI.getLongValueAt(address);
Register lowBitCodeMode = program.getRegister("LowBitCodeMode");
@ -605,26 +604,6 @@ public class Vtable {
public List<Vtable> getInternalVtables() {
return internalVtables;
}
// TODO: put in helper or ext api
private boolean inExternalBlock(Address address) {
MemoryBlock externalBlock = getExternalBlock();
if (externalBlock == null) {
return false;
}
if (externalBlock.contains(address)) {
return true;
}
return false;
}
private MemoryBlock getExternalBlock() {
return program.getMemory().getBlock("EXTERNAL");
}
public void setIsConstructionVtable(Boolean setting) {
isConstruction = setting;