js/src/jit/JSJitFrameIter-inl.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_JSJitFrameIter_inl_h
   8 #define jit_JSJitFrameIter_inl_h
   9
  10 #include "jit/JSJitFrameIter.h"
  11
  12 #include "jit/Bailouts.h"
  13 #include "jit/BaselineFrame.h"
  14 #include "jit/JitFrames.h"
  15 #include "jit/ScriptFromCalleeToken.h"
  16
  17 namespace js {
  18 namespace jit {
  19
  20 inline uint8_t* JSJitFrameIter::returnAddress() const {
  21   CommonFrameLayout* current = (CommonFrameLayout*)current_;
  22   return current->returnAddress();
  23 }
  24
  25 inline FrameType JSJitFrameIter::prevType() const {
  26   CommonFrameLayout* current = (CommonFrameLayout*)current_;
  27   return current->prevType();
  28 }
  29
  30 inline ExitFrameLayout* JSJitFrameIter::exitFrame() const {
  31   MOZ_ASSERT(isExitFrame());
  32   return (ExitFrameLayout*)fp();
  33 }
  34
  35 inline JitFrameLayout* JSJitProfilingFrameIterator::framePtr() const {
  36   MOZ_ASSERT(!done());
  37   return (JitFrameLayout*)fp_;
  38 }
  39
  40 inline JSScript* JSJitProfilingFrameIterator::frameScript() const {
  41   return ScriptFromCalleeToken(framePtr()->calleeToken());
  42 }
  43
  44 inline BaselineFrame* JSJitFrameIter::baselineFrame() const {
  45   MOZ_ASSERT(isBaselineJS());
  46   return (BaselineFrame*)(fp() - BaselineFrame::Size());
  47 }
  48
  49 inline uint32_t JSJitFrameIter::baselineFrameNumValueSlots() const {
  50   MOZ_ASSERT(isBaselineJS());
  51   return baselineFrame()->numValueSlots(*baselineFrameSize_);
  52 }
  53
  54 template <typename T>
  55 bool JSJitFrameIter::isExitFrameLayout() const {
  56   if (!isExitFrame()) {
  57     return false;
  58   }
  59   return exitFrame()->is<T>();
  60 }
  61
  62 }  // namespace jit
  63 }  // namespace js
  64
  65 #endif /* jit_JSJitFrameIter_inl_h */