| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| * vim: set ts=8 sts=4 et sw=4 tw=99: |
| * 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_JitFrames_inl_h |
| #define jit_JitFrames_inl_h |
| |
| #include "jit/JitFrames.h" |
| |
| #include "jit/JitFrameIterator.h" |
| #include "jit/LIR.h" |
| |
| #include "jit/JitFrameIterator-inl.h" |
| |
| namespace js { |
| namespace jit { |
| |
| inline void |
| SafepointIndex::resolve() |
| { |
| MOZ_ASSERT(!resolved); |
| safepointOffset_ = safepoint_->offset(); |
| #ifdef DEBUG |
| resolved = true; |
| #endif |
| } |
| |
| inline uint8_t* |
| JitFrameIterator::returnAddress() const |
| { |
| CommonFrameLayout* current = (CommonFrameLayout*) current_; |
| return current->returnAddress(); |
| } |
| |
| inline size_t |
| JitFrameIterator::prevFrameLocalSize() const |
| { |
| CommonFrameLayout* current = (CommonFrameLayout*) current_; |
| return current->prevFrameLocalSize(); |
| } |
| |
| inline FrameType |
| JitFrameIterator::prevType() const |
| { |
| CommonFrameLayout* current = (CommonFrameLayout*) current_; |
| return current->prevType(); |
| } |
| |
| inline bool |
| IsUnwoundFrame(FrameType type) |
| { |
| return type == JitFrame_Unwound_Rectifier || |
| type == JitFrame_Unwound_IonJS || |
| type == JitFrame_Unwound_BaselineJS || |
| type == JitFrame_Unwound_BaselineStub || |
| type == JitFrame_Unwound_IonAccessorIC; |
| } |
| |
| inline bool |
| JitFrameIterator::isFakeExitFrame() const |
| { |
| if (type() == JitFrame_LazyLink) |
| return false; |
| bool res = IsUnwoundFrame(prevType()) || |
| (prevType() == JitFrame_Entry && type() == JitFrame_Exit); |
| MOZ_ASSERT_IF(res, type() == JitFrame_Exit || type() == JitFrame_BaselineJS); |
| return res; |
| } |
| |
| inline ExitFrameLayout* |
| JitFrameIterator::exitFrame() const |
| { |
| MOZ_ASSERT(isExitFrame()); |
| MOZ_ASSERT(!isFakeExitFrame()); |
| return (ExitFrameLayout*) fp(); |
| } |
| |
| inline BaselineFrame* |
| GetTopBaselineFrame(JSContext* cx) |
| { |
| JitFrameIterator iter(cx); |
| MOZ_ASSERT(iter.type() == JitFrame_Exit); |
| ++iter; |
| if (iter.isBaselineStub()) |
| ++iter; |
| MOZ_ASSERT(iter.isBaselineJS()); |
| return iter.baselineFrame(); |
| } |
| |
| } // namespace jit |
| } // namespace js |
| |
| #endif /* jit_JitFrames_inl_h */ |