mirror/ghidra
1
0
Fork 0
mirror of https://github.com/NationalSecurityAgency/ghidra.git synced 2026-10-19 18:12:14 -09:00
Code Issues Packages Projects Releases Wiki Activity

GP-3417 fixed case where si vtable was not getting created bc too many refs. Added secondary check. Added check for same num special vtable and typeinfos.

Browse Source
This commit is contained in:
ghidra007
2023-05-08 21:11:53 +00:00
parent b3616a6831
commit 8580baddc3
1 changed files with 12 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
Ghidra/Features/Decompiler/ghidra_scripts/classrecovery/RTTIGccClassRecoverer.java
View File

@@ -204,6 +204,11 @@ public class RTTIGccClassRecoverer extends RTTIClassRecoverer {
Msg.debug(this, "Could not create special vtables");
return null;
}
if(specialVtables.size() != specialTypeinfos.size()) {
Msg.debug(this, "Not equal number of special vtables and special typeinfos");
return null;
}
setComponentOffset();
@@ -3382,6 +3387,13 @@ private Address getReferencedAddress(Address address) {
if (specialTypeinfoAddrSet.contains(refTo)) {
continue;
}
// all special vtables have zeros just before the ref to typeinfo
Address vtableAddress = refTo.subtract(defaultPointerSize);
if (!isPossibleNullPointer(vtableAddress)) {
continue;
}
possibleRefsInVtable.add(refTo);
}
if (possibleRefsInVtable.size() != 1) {