[AntiClassDump]Fix Stage1 by Copy Attributes Over

Signed-off-by: Zhang <[email protected]>
HikariObfuscator · Dec 25, 2017 · 8d13ca8 · 8d13ca8
1 parent 7d86940
commit 8d13ca8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/Transforms/Obfuscation/AntiClassDump.cpp b/lib/Transforms/Obfuscation/AntiClassDump.cpp
@@ -403,6 +403,7 @@ struct AntiClassDump : public ModulePass {
         StructType *newType=StructType::get(M->getContext(),ArrayRef<Type*>(newStructType));
         Constant *newMethodStruct=ConstantStruct::get(newType,ArrayRef<Constant*>(newStructValue));//l_OBJC_$_CLASS_METHODS_
         GlobalVariable *newMethodStructGV=new GlobalVariable(*M,newType,true, GlobalValue::LinkageTypes::PrivateLinkage,newMethodStruct);
+        newMethodStructGV->copyAttributesFrom(methodListGV);
         Constant *bitcastExpr=ConstantExpr::getBitCast(newMethodStructGV,M->getTypeByName("struct.__method_list_t")->getPointerTo());
         CS->handleOperandChange(CS->getAggregateElement(5),bitcastExpr);
         GlobalVariable* metadatacompilerusedGV=cast<GlobalVariable>(M->getGlobalVariable("llvm.compiler.used",true));
@@ -466,6 +467,7 @@ struct AntiClassDump : public ModulePass {
         StructType *newType=StructType::get(M->getContext(),ArrayRef<Type*>(newStructType));
         Constant *newMethodStruct=ConstantStruct::get(newType,ArrayRef<Constant*>(newStructValue));//l_OBJC_$_CLASS_METHODS_
         GlobalVariable *newMethodStructGV=new GlobalVariable(*M,newType,true, GlobalValue::LinkageTypes::PrivateLinkage,newMethodStruct);
+        newMethodStructGV->copyAttributesFrom(methodListGV);
         Constant *bitcastExpr=ConstantExpr::getBitCast(newMethodStructGV,M->getTypeByName("struct.__method_list_t")->getPointerTo());
         CS->handleOperandChange(CS->getAggregateElement(5),bitcastExpr);
         GlobalVariable* metadatacompilerusedGV=cast<GlobalVariable>(M->getGlobalVariable("llvm.compiler.used",true));