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Code Issues Releases Wiki Activity

Refixed relative objc methods issue in #3611.

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Added null check for ObjectiveC2_class.
This commit is contained in:
ArandomDev 2021-12-29 13:26:01 -05:00 • committed by Ryan Kurtz
parent 7a45cf24f1
commit 116b12badb
2 changed files with 8 additions and 4 deletions
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2
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/objc2/ObjectiveC2_Class.java
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@ -52,7 +52,7 @@ public class ObjectiveC2_Class implements StructConverter {
AddressSpace space = _state.program.getAddressFactory().getDefaultAddressSpace();
Address addr = space.getAddress(_index);
Symbol symbol = _state.program.getSymbolTable().getPrimarySymbol(addr);
if (symbol.getParentNamespace().getName().equals(SectionNames.SECT_GOT)) {
if (symbol != null && symbol.getParentNamespace().getName().equals(SectionNames.SECT_GOT)) {
return;
}

10
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/objc2/ObjectiveC2_Method.java
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@ -37,9 +37,13 @@ public class ObjectiveC2_Method extends ObjectiveC_Method {
if (isSmallList) {
int nameOffset = (int)ObjectiveC1_Utilities.readNextIndex(reader, true);
int namePtr = reader.readInt(_index + nameOffset);
long imagebase = state.program.getImageBase().getOffset(); // When we support dyld_shared_cache, this base will likely have to change
name = reader.readAsciiString(imagebase + namePtr);
long namePtr;
if (state.is32bit)
namePtr = reader.readInt(_index + nameOffset);
else
namePtr = reader.readLong(_index + nameOffset);
name = reader.readAsciiString(namePtr);
int typesOffset = (int)ObjectiveC1_Utilities.readNextIndex(reader, true);
types = reader.readAsciiString(_index + 4 + typesOffset);