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/* -*- 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_IonFrames_inl_h
#define jit_IonFrames_inl_h

#ifdef JS_ION

#include "jit/IonFrames.h"

#include "jit/JitFrameIterator.h"
#include "jit/LIR.h"
#include "vm/ForkJoin.h"

#include "jit/JitFrameIterator-inl.h"

namespace js {
namespace jit {

inline void
SafepointIndex::resolve()
{
    JS_ASSERT(!resolved);
    safepointOffset_ = safepoint_->offset();
#ifdef DEBUG
    resolved = true;
#endif
}

inline uint8_t*
JitFrameIterator::returnAddress() const
{
    IonCommonFrameLayout* current = (IonCommonFrameLayout*) current_;
    return current->returnAddress();
}

inline size_t
JitFrameIterator::prevFrameLocalSize() const
{
    IonCommonFrameLayout* current = (IonCommonFrameLayout*) current_;
    return current->prevFrameLocalSize();
}

inline FrameType
JitFrameIterator::prevType() const
{
    IonCommonFrameLayout* current = (IonCommonFrameLayout*) current_;
    return current->prevType();
}

inline bool
JitFrameIterator::isFakeExitFrame() const
{
    bool res = (prevType() == JitFrame_Unwound_Rectifier ||
                prevType() == JitFrame_Unwound_IonJS ||
                prevType() == JitFrame_Unwound_BaselineStub ||
                (prevType() == JitFrame_Entry && type() == JitFrame_Exit));
    JS_ASSERT_IF(res, type() == JitFrame_Exit || type() == JitFrame_BaselineJS);
    return res;
}

inline IonExitFrameLayout*
JitFrameIterator::exitFrame() const
{
    JS_ASSERT(type() == JitFrame_Exit);
    JS_ASSERT(!isFakeExitFrame());
    return (IonExitFrameLayout*) fp();
}

inline BaselineFrame*
GetTopBaselineFrame(JSContext* cx)
{
    JitFrameIterator iter(cx);
    JS_ASSERT(iter.type() == JitFrame_Exit);
    ++iter;
    if (iter.isBaselineStub())
        ++iter;
    JS_ASSERT(iter.isBaselineJS());
    return iter.baselineFrame();
}

inline JSScript*
GetTopIonJSScript(JSContext* cx, void** returnAddrOut = nullptr)
{
    return GetTopIonJSScript(cx->mainThread().ionTop, returnAddrOut, SequentialExecution);
}

inline JSScript*
GetTopIonJSScript(ForkJoinContext* cx, void** returnAddrOut = nullptr)
{
    return GetTopIonJSScript(cx->perThreadData->ionTop, returnAddrOut, ParallelExecution);
}

} // namespace jit
} // namespace js

#endif // JS_ION

#endif /* jit_IonFrames_inl_h */