types: fragment types

Author: rssor

binaryninjacore.h

@@ -871,7 +871,8 @@ extern "C"
 		VarArgsTypeClass = 9,
 		ValueTypeClass = 10,
 		NamedTypeReferenceClass = 11,
-		WideCharTypeClass = 12
+		WideCharTypeClass = 12,
+		FragmentTypeClass = 13,
 	};
 
 	BN_ENUM(uint8_t, BNNamedTypeReferenceClass)

plugins/dwarf/dwarf_export/src/lib.rs

@@ -401,6 +401,10 @@ fn export_type(
             );
             Some(wide_char_die_uid)
         }
+        TypeClass::FragmentTypeClass => {
+            tracing::error!("Fragment types are not representable in DWARF");
+            None
+        }
     }
 }
 

plugins/warp/src/convert/types.rs

@@ -244,6 +244,10 @@ pub fn from_bn_type_internal(
             };
             TypeClass::Character(char_class)
         }
+        BNTypeClass::FragmentTypeClass => {
+            // XXX: possibly unrepresentable?
+            TypeClass::Void
+        }
     };
 
     let name = raw_ty.registered_name().map(|n| n.name().to_string());

python/types.py

@@ -3458,13 +3458,16 @@ def create(
 		assert core_type is not None, "core.BNCreateWideCharType returned None"
 		return cls(core_type, platform, confidence)
 
+class FragmentType(Type):
+	pass
 
 Types = {
     TypeClass.VoidTypeClass: VoidType, TypeClass.BoolTypeClass: BoolType, TypeClass.IntegerTypeClass: IntegerType,
     TypeClass.FloatTypeClass: FloatType, TypeClass.StructureTypeClass: StructureType,
     TypeClass.EnumerationTypeClass: EnumerationType, TypeClass.PointerTypeClass: PointerType,
     TypeClass.ArrayTypeClass: ArrayType, TypeClass.FunctionTypeClass: FunctionType,
     TypeClass.NamedTypeReferenceClass: NamedTypeReferenceType, TypeClass.WideCharTypeClass: WideCharType,
+    TypeClass.FragmentTypeClass: FragmentType,
 }