Expose auto-discovered param for function creation in Rust API

Author: zznop

rust/src/binary_view.rs

@@ -1262,17 +1262,22 @@ pub trait BinaryViewExt: BinaryViewBase {
         address: u64,
         platform: &Platform,
     ) -> Option<Ref<Function>> {
-        self.add_auto_function_ext(address, platform, None)
+        self.add_auto_function_ext(address, platform, None, false)
     }
 
     /// Add an auto function at the given `address` with the `platform` and function type.
     ///
+    /// The `auto_discovered` flag is used to prevent or allow this created function to be deleted if
+    /// it is never used (the function has no xrefs), if you are confident that this is a valid function
+    /// set this to `false`.
+    ///
     /// NOTE: If the view's default platform is not set, this will set it to `platform`.
     fn add_auto_function_ext(
         &self,
         address: u64,
         platform: &Platform,
         func_type: Option<&Type>,
+        auto_discovered: bool,
     ) -> Option<Ref<Function>> {
         unsafe {
             let func_type = match func_type {
@@ -1284,7 +1289,7 @@ pub trait BinaryViewExt: BinaryViewBase {
                 self.as_ref().handle,
                 platform.handle,
                 address,
-                true,
+                auto_discovered,
                 func_type,
             );