js/src/jit/Jit.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef jit_Jit_h
   8 #define jit_Jit_h
   9
  10 #include "jstypes.h"
  11
  12 struct JS_PUBLIC_API JSContext;
  13
  14 namespace js {
  15
  16 class RunState;
  17
  18 namespace jit {
  19
  20 enum class EnterJitStatus {
  21   // An error occurred, either before we entered JIT code or the script threw
  22   // an exception. Usually the context will have a pending exception, except
  23   // for uncatchable exceptions (interrupts).
  24   Error,
  25
  26   // Entered and returned from JIT code.
  27   Ok,
  28
  29   // We didn't enter JIT code, for instance because the script still has to
  30   // warm up or cannot be compiled.
  31   NotEntered,
  32 };
  33
  34 extern bool EnterInterpreterEntryTrampoline(uint8_t* code, JSContext* cx,
  35                                             RunState* state);
  36 extern EnterJitStatus MaybeEnterJit(JSContext* cx, RunState& state);
  37
  38 }  // namespace jit
  39 }  // namespace js
  40
  41 #endif /* jit_Jit_h */