1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit/SafepointIndex.cpp b/js/src/jit/SafepointIndex.cpp
new file mode 100644
index 0000000000..4e486133cc
--- /dev/null
+++ b/js/src/jit/SafepointIndex.cpp
@@ -0,0 +1,20 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "jit/SafepointIndex-inl.h"
+
+#include "jit/MacroAssembler.h"
+
+namespace js::jit {
+
+uint32_t OsiIndex::returnPointDisplacement() const {
+  // In general, pointer arithmetic on code is bad, but in this case,
+  // getting the return address from a call instruction, stepping over pools
+  // would be wrong.
+  return callPointDisplacement_ + Assembler::PatchWrite_NearCallSize();
+}
+
+}  // namespace js::jit