1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit/IonFrames-inl.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,102 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef jit_IonFrames_inl_h
1.11 +#define jit_IonFrames_inl_h
1.12 +
1.13 +#ifdef JS_ION
1.14 +
1.15 +#include "jit/IonFrames.h"
1.16 +
1.17 +#include "jit/JitFrameIterator.h"
1.18 +#include "jit/LIR.h"
1.19 +#include "vm/ForkJoin.h"
1.20 +
1.21 +#include "jit/JitFrameIterator-inl.h"
1.22 +
1.23 +namespace js {
1.24 +namespace jit {
1.25 +
1.26 +inline void
1.27 +SafepointIndex::resolve()
1.28 +{
1.29 + JS_ASSERT(!resolved);
1.30 + safepointOffset_ = safepoint_->offset();
1.31 +#ifdef DEBUG
1.32 + resolved = true;
1.33 +#endif
1.34 +}
1.35 +
1.36 +inline uint8_t *
1.37 +JitFrameIterator::returnAddress() const
1.38 +{
1.39 + IonCommonFrameLayout *current = (IonCommonFrameLayout *) current_;
1.40 + return current->returnAddress();
1.41 +}
1.42 +
1.43 +inline size_t
1.44 +JitFrameIterator::prevFrameLocalSize() const
1.45 +{
1.46 + IonCommonFrameLayout *current = (IonCommonFrameLayout *) current_;
1.47 + return current->prevFrameLocalSize();
1.48 +}
1.49 +
1.50 +inline FrameType
1.51 +JitFrameIterator::prevType() const
1.52 +{
1.53 + IonCommonFrameLayout *current = (IonCommonFrameLayout *) current_;
1.54 + return current->prevType();
1.55 +}
1.56 +
1.57 +inline bool
1.58 +JitFrameIterator::isFakeExitFrame() const
1.59 +{
1.60 + bool res = (prevType() == JitFrame_Unwound_Rectifier ||
1.61 + prevType() == JitFrame_Unwound_IonJS ||
1.62 + prevType() == JitFrame_Unwound_BaselineStub ||
1.63 + (prevType() == JitFrame_Entry && type() == JitFrame_Exit));
1.64 + JS_ASSERT_IF(res, type() == JitFrame_Exit || type() == JitFrame_BaselineJS);
1.65 + return res;
1.66 +}
1.67 +
1.68 +inline IonExitFrameLayout *
1.69 +JitFrameIterator::exitFrame() const
1.70 +{
1.71 + JS_ASSERT(type() == JitFrame_Exit);
1.72 + JS_ASSERT(!isFakeExitFrame());
1.73 + return (IonExitFrameLayout *) fp();
1.74 +}
1.75 +
1.76 +inline BaselineFrame *
1.77 +GetTopBaselineFrame(JSContext *cx)
1.78 +{
1.79 + JitFrameIterator iter(cx);
1.80 + JS_ASSERT(iter.type() == JitFrame_Exit);
1.81 + ++iter;
1.82 + if (iter.isBaselineStub())
1.83 + ++iter;
1.84 + JS_ASSERT(iter.isBaselineJS());
1.85 + return iter.baselineFrame();
1.86 +}
1.87 +
1.88 +inline JSScript *
1.89 +GetTopIonJSScript(JSContext *cx, void **returnAddrOut = nullptr)
1.90 +{
1.91 + return GetTopIonJSScript(cx->mainThread().ionTop, returnAddrOut, SequentialExecution);
1.92 +}
1.93 +
1.94 +inline JSScript *
1.95 +GetTopIonJSScript(ForkJoinContext *cx, void **returnAddrOut = nullptr)
1.96 +{
1.97 + return GetTopIonJSScript(cx->perThreadData->ionTop, returnAddrOut, ParallelExecution);
1.98 +}
1.99 +
1.100 +} // namespace jit
1.101 +} // namespace js
1.102 +
1.103 +#endif // JS_ION
1.104 +
1.105 +#endif /* jit_IonFrames_inl_h */
