diff --git a/crates/runtime/src/debug_builtins.rs b/crates/runtime/src/debug_builtins.rs
index 187b6f918d..411300008b 100644
--- a/crates/runtime/src/debug_builtins.rs
+++ b/crates/runtime/src/debug_builtins.rs
@@ -6,6 +6,18 @@ use wasmtime_environ::{EntityRef, MemoryIndex};
 
 static mut VMCTX_AND_MEMORY: (*mut VMContext, usize) = (std::ptr::null_mut(), 0);
 
+#[no_mangle]
+pub unsafe extern "C" fn resolve_vmctx_memory(ptr: usize) -> *const u8 {
+    let handle = InstanceHandle::from_vmctx(VMCTX_AND_MEMORY.0);
+    assert!(
+        VMCTX_AND_MEMORY.1 < handle.module().memory_plans.len(),
+        "memory index for debugger is out of bounds"
+    );
+    let index = MemoryIndex::new(VMCTX_AND_MEMORY.1);
+    let mem = handle.instance().get_memory(index);
+    mem.base.add(ptr)
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn resolve_vmctx_memory_ptr(p: *const u32) -> *const u8 {
     let ptr = std::ptr::read(p);
@@ -36,5 +48,6 @@ pub fn ensure_exported() {
     unsafe {
         std::ptr::read_volatile(resolve_vmctx_memory_ptr as *const u8);
         std::ptr::read_volatile(set_vmctx_memory as *const u8);
+        std::ptr::read_volatile(resolve_vmctx_memory as *const u8);
     }
 }