Make constructing an MLILFunction require an LLILFunction

Author: CouleeApps

binaryninjaapi.h

@@ -13646,7 +13646,7 @@ namespace BinaryNinja {
 	        BNFreeMediumLevelILFunction>
 	{
 	  public:
-		MediumLevelILFunction(Architecture* arch, Function* func = nullptr);
+		MediumLevelILFunction(Architecture* arch, Function* func, LowLevelILFunction* lowLevelIL);
 		MediumLevelILFunction(BNMediumLevelILFunction* func);
 
 		Ref<Function> GetFunction() const;

binaryninjacore.h

@@ -37,14 +37,14 @@
 // Current ABI version for linking to the core. This is incremented any time
 // there are changes to the API that affect linking, including new functions,
 // new types, or modifications to existing functions or types.
-#define BN_CURRENT_CORE_ABI_VERSION 114
+#define BN_CURRENT_CORE_ABI_VERSION 115
 
 // Minimum ABI version that is supported for loading of plugins. Plugins that
 // are linked to an ABI version less than this will not be able to load and
 // will require rebuilding. The minimum version is increased when there are
 // incompatible changes that break binary compatibility, such as changes to
 // existing types or functions.
-#define BN_MINIMUM_CORE_ABI_VERSION 113
+#define BN_MINIMUM_CORE_ABI_VERSION 115
 
 #ifdef __GNUC__
 	#ifdef BINARYNINJACORE_LIBRARY
@@ -6068,7 +6068,7 @@ extern "C"
 	BINARYNINJACOREAPI size_t BNGetMappedMediumLevelILExprIndex(BNLowLevelILFunction* func, size_t expr);
 
 	// Medium-level IL
-	BINARYNINJACOREAPI BNMediumLevelILFunction* BNCreateMediumLevelILFunction(BNArchitecture* arch, BNFunction* func);
+	BINARYNINJACOREAPI BNMediumLevelILFunction* BNCreateMediumLevelILFunction(BNArchitecture* arch, BNFunction* func, BNLowLevelILFunction* lowLevelIL);
 	BINARYNINJACOREAPI BNMediumLevelILFunction* BNNewMediumLevelILFunctionReference(BNMediumLevelILFunction* func);
 	BINARYNINJACOREAPI void BNFreeMediumLevelILFunction(BNMediumLevelILFunction* func);
 	BINARYNINJACOREAPI BNFunction* BNGetMediumLevelILOwnerFunction(BNMediumLevelILFunction* func);

mediumlevelil.cpp

@@ -31,9 +31,9 @@ MediumLevelILLabel::MediumLevelILLabel()
 }
 
 
-MediumLevelILFunction::MediumLevelILFunction(Architecture* arch, Function* func)
+MediumLevelILFunction::MediumLevelILFunction(Architecture* arch, Function* func, LowLevelILFunction* lowLevelIL)
 {
-	m_object = BNCreateMediumLevelILFunction(arch->GetObject(), func ? func->GetObject() : nullptr);
+	m_object = BNCreateMediumLevelILFunction(arch->GetObject(), func->GetObject(), lowLevelIL->GetObject());
 }
 
 

python/mediumlevelil.py

@@ -3251,8 +3251,11 @@ class MediumLevelILFunction:
 	methods which return ExpressionIndex objects.
 	"""
 	def __init__(
-	    self, arch: Optional['architecture.Architecture'] = None, handle: Optional[core.BNMediumLevelILFunction] = None,
-	    source_func: Optional['function.Function'] = None
+	    self,
+	    arch: Optional['architecture.Architecture'] = None,
+	    handle: Optional[core.BNMediumLevelILFunction] = None,
+	    source_func: Optional['function.Function'] = None,
+	    low_level_il: Optional['lowlevelil.LowLevelILFunction'] = None
 	):
 		_arch = arch
 		_source_function = source_func
@@ -3264,12 +3267,16 @@ def __init__(
 			if _arch is None:
 				_arch = _source_function.arch
 		else:
+			if low_level_il is None:
+				raise ValueError("MLIL functions must be created with an associated LLIL function")
+			_source_function = low_level_il.source_function
 			if _source_function is None:
 				raise ValueError("IL functions must be created with an associated function")
 			if _arch is None:
-				_arch = _source_function.arch
+				_arch = low_level_il.arch
 			func_handle = _source_function.handle
-			_handle = core.BNCreateMediumLevelILFunction(_arch.handle, func_handle)
+			llil_handle = low_level_il.handle
+			_handle = core.BNCreateMediumLevelILFunction(_arch.handle, func_handle, llil_handle)
 		assert _source_function is not None
 		assert _arch is not None
 		assert _handle is not None