1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/jit/Jit.h b/js/src/jit/Jit.h
new file mode 100644
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+++ b/js/src/jit/Jit.h
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+/* -*- 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/. */
+
+#ifndef jit_Jit_h
+#define jit_Jit_h
+
+#include "jstypes.h"
+
+struct JS_PUBLIC_API JSContext;
+
+namespace js {
+
+class RunState;
+
+namespace jit {
+
+enum class EnterJitStatus {
+  // An error occurred, either before we entered JIT code or the script threw
+  // an exception. Usually the context will have a pending exception, except
+  // for uncatchable exceptions (interrupts).
+  Error,
+
+  // Entered and returned from JIT code.
+  Ok,
+
+  // We didn't enter JIT code, for instance because the script still has to
+  // warm up or cannot be compiled.
+  NotEntered,
+};
+
+extern bool EnterInterpreterEntryTrampoline(uint8_t* code, JSContext* cx,
+                                            RunState* state);
+extern EnterJitStatus MaybeEnterJit(JSContext* cx, RunState& state);
+
+}  // namespace jit
+}  // namespace js
+
+#endif /* jit_Jit_h */