mirror of
https://github.com/classilla/tenfourfox.git
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96 lines
2.3 KiB
C++
96 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef jit_JitFrames_inl_h
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#define jit_JitFrames_inl_h
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#include "jit/JitFrames.h"
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#include "jit/JitFrameIterator.h"
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#include "jit/LIR.h"
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#include "jit/JitFrameIterator-inl.h"
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namespace js {
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namespace jit {
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inline void
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SafepointIndex::resolve()
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{
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MOZ_ASSERT(!resolved);
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safepointOffset_ = safepoint_->offset();
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#ifdef DEBUG
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resolved = true;
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#endif
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}
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inline uint8_t*
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JitFrameIterator::returnAddress() const
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{
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CommonFrameLayout* current = (CommonFrameLayout*) current_;
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return current->returnAddress();
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}
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inline size_t
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JitFrameIterator::prevFrameLocalSize() const
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{
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CommonFrameLayout* current = (CommonFrameLayout*) current_;
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return current->prevFrameLocalSize();
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}
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inline FrameType
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JitFrameIterator::prevType() const
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{
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CommonFrameLayout* current = (CommonFrameLayout*) current_;
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return current->prevType();
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}
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inline bool
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IsUnwoundFrame(FrameType type)
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{
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return type == JitFrame_Unwound_Rectifier ||
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type == JitFrame_Unwound_IonJS ||
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type == JitFrame_Unwound_BaselineJS ||
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type == JitFrame_Unwound_BaselineStub ||
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type == JitFrame_Unwound_IonAccessorIC;
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}
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inline bool
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JitFrameIterator::isFakeExitFrame() const
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{
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if (type() == JitFrame_LazyLink)
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return false;
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bool res = IsUnwoundFrame(prevType()) ||
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(prevType() == JitFrame_Entry && type() == JitFrame_Exit);
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MOZ_ASSERT_IF(res, type() == JitFrame_Exit || type() == JitFrame_BaselineJS);
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return res;
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}
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inline ExitFrameLayout*
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JitFrameIterator::exitFrame() const
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{
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MOZ_ASSERT(isExitFrame());
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MOZ_ASSERT(!isFakeExitFrame());
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return (ExitFrameLayout*) fp();
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}
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inline BaselineFrame*
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GetTopBaselineFrame(JSContext* cx)
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{
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JitFrameIterator iter(cx);
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MOZ_ASSERT(iter.type() == JitFrame_Exit);
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++iter;
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if (iter.isBaselineStub())
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++iter;
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MOZ_ASSERT(iter.isBaselineJS());
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return iter.baselineFrame();
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}
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} // namespace jit
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} // namespace js
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#endif /* jit_JitFrames_inl_h */
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