1 files changed, 34 insertions, 0 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index e989310789..e37bd4d78c 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -73,6 +73,40 @@ erts_debug_flat_size_1(BIF_ALIST_1)
     }
 }
 
+BIF_RETTYPE
+erts_debug_size_shared_1(BIF_ALIST_1)
+{
+    Process* p = BIF_P;
+    Eterm term = BIF_ARG_1;
+    Uint size = size_shared(term);
+
+    if (IS_USMALL(0, size)) {
+	BIF_RET(make_small(size));
+    } else {
+	Eterm* hp = HAlloc(p, BIG_UINT_HEAP_SIZE);
+	BIF_RET(uint_to_big(size, hp));
+    }
+}
+
+BIF_RETTYPE
+erts_debug_copy_shared_1(BIF_ALIST_1)
+{
+    Process* p = BIF_P;
+    Eterm term = BIF_ARG_1;
+    Uint size;
+    Eterm* hp;
+    Eterm copy;
+    erts_shcopy_t info;
+    INITIALIZE_SHCOPY(info);
+
+    size = copy_shared_calculate(term, &info);
+    if (size > 0) {
+      hp = HAlloc(p, size);
+    }
+    copy = copy_shared_perform(term, size, &info, &hp, &p->off_heap);
+    DESTROY_SHCOPY(info);
+    BIF_RET(copy);
+}
 
 BIF_RETTYPE
 erts_debug_breakpoint_2(BIF_ALIST_2)