diff --git a/src/bindings.rs b/src/bindings.rs
index 1303280..3930225 100644
--- a/src/bindings.rs
+++ b/src/bindings.rs
@@ -120,15 +120,14 @@ impl<'a> BindingsGenerator<'a> {
                 .iter()
                 .map(|(key, value)| (key.clone(), WithOption::Path(value.clone())))
                 .collect(),
+            generate_all: settings.generate_all,
             type_section_suffix: settings.type_section_suffix.clone(),
             disable_run_ctors_once_workaround: settings.disable_run_ctors_once_workaround,
             default_bindings_module: settings.default_bindings_module.clone(),
             export_macro_name: settings.export_macro_name.clone(),
             pub_export_macro: settings.pub_export_macro,
             generate_unused_types: settings.generate_unused_types,
-            // todo - add support for these settings
-            generate_all: true,
-            disable_custom_section_link_helpers: false,
+            disable_custom_section_link_helpers: settings.disable_custom_section_link_helpers,
         };
 
         let mut files = Files::default();
diff --git a/src/metadata.rs b/src/metadata.rs
index 4eac211..a9abdb7 100644
--- a/src/metadata.rs
+++ b/src/metadata.rs
@@ -85,6 +85,9 @@ pub struct Bindings {
     pub export_prefix: Option<String>,
     /// Remapping of interface names to rust module names.
     pub with: HashMap<String, String>,
+    /// Indicates that all interfaces not specified in `with` should be
+    /// generated.
+    pub generate_all: bool,
     /// Add the specified suffix to the name of the custome section containing
     /// the component type.
     pub type_section_suffix: Option<String>,
@@ -101,6 +104,12 @@ pub struct Bindings {
     pub pub_export_macro: bool,
     /// Whether to generate unused structures, not generated by default (false)
     pub generate_unused_types: bool,
+    /// Whether or not to generate helper function/constants to help link custom
+    /// sections into the final output.
+    ///
+    /// Disabling this can shave a few bytes off a binary but makes
+    /// library-based usage of `generate!` prone to breakage.
+    pub disable_custom_section_link_helpers: bool,
 }
 
 impl Default for Bindings {
@@ -115,12 +124,14 @@ impl Default for Bindings {
             stubs: Default::default(),
             export_prefix: Default::default(),
             with: Default::default(),
+            generate_all: true,
             type_section_suffix: Default::default(),
             disable_run_ctors_once_workaround: Default::default(),
             default_bindings_module: Default::default(),
             export_macro_name: Default::default(),
             pub_export_macro: Default::default(),
             generate_unused_types: Default::default(),
+            disable_custom_section_link_helpers: Default::default(),
         }
     }
 }