YJIT: Teach getblockparamproxy to handle the no-block case without exiting (#6191)

Teach getblockparamproxy to handle the no-block case without exiting

Co-authored-by: John Hawthorn <john@hawthorn.email>

Co-authored-by: John Hawthorn <john@hawthorn.email>

1 files changed, 11 insertions, 0 deletions

diff --git a/yjit.c b/yjit.c
index edf5a139cc..1a2f71a959 100644
--- a/yjit.c
+++ b/yjit.c
@@ -699,6 +699,17 @@ rb_get_cfp_ep(struct rb_control_frame_struct *cfp)
     return (VALUE*)cfp->ep;
 }
 
+const VALUE *
+rb_get_cfp_ep_level(struct rb_control_frame_struct *cfp, uint32_t lv)
+{
+    uint32_t i;
+    const VALUE *ep = (VALUE*)cfp->ep;
+    for (i = 0; i < lv; i++) {
+        ep = VM_ENV_PREV_EP(ep);
+    }
+    return ep;
+}
+
 VALUE
 rb_yarv_class_of(VALUE obj)
 {