Revert "Revert "This commit implements the Object Shapes technique in CRuby.""

This reverts commit 9a6803c90b817f70389cae10d60b50ad752da48f.

1 files changed, 7 insertions, 0 deletions

diff --git a/yjit/bindgen/src/main.rs b/yjit/bindgen/src/main.rs
index ebeeab14b1..7ae9f06adc 100644
--- a/yjit/bindgen/src/main.rs
+++ b/yjit/bindgen/src/main.rs
@@ -40,6 +40,7 @@ fn main() {
         .header("internal.h")
         .header("internal/re.h")
         .header("include/ruby/ruby.h")
+        .header("shape.h")
         .header("vm_core.h")
         .header("vm_callinfo.h")
 
@@ -81,6 +82,12 @@ fn main() {
         // This function prints info about a value and is useful for debugging
         .allowlist_function("rb_obj_info_dump")
 
+        // From shape.h
+        .allowlist_function("rb_shape_get_shape_id")
+        .allowlist_function("rb_shape_get_shape_by_id")
+        .allowlist_function("rb_shape_flags_mask")
+        .allowlist_function("rb_shape_get_iv_index")
+
         // From ruby/internal/intern/object.h
         .allowlist_function("rb_obj_is_kind_of")