1/*
2 * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "AirStackSlot.h"
28
29#if ENABLE(B3_JIT)
30
31#include "B3StackSlot.h"
32
33namespace JSC { namespace B3 { namespace Air {
34
35void StackSlot::setOffsetFromFP(intptr_t value)
36{
37 m_offsetFromFP = value;
38 if (m_b3Slot)
39 m_b3Slot->m_offsetFromFP = value;
40}
41
42unsigned StackSlot::jsHash() const
43{
44 return static_cast<unsigned>(m_kind) + m_byteSize * 3 + m_offsetFromFP * 7;
45}
46
47void StackSlot::dump(PrintStream& out) const
48{
49 if (isSpill())
50 out.print("spill");
51 else
52 out.print("stack");
53 out.print(m_index);
54}
55
56void StackSlot::deepDump(PrintStream& out) const
57{
58 out.print("byteSize = ", m_byteSize, ", offsetFromFP = ", m_offsetFromFP, ", kind = ", m_kind);
59 if (m_b3Slot)
60 out.print(", b3Slot = ", *m_b3Slot, ": (", B3::deepDump(m_b3Slot), ")");
61}
62
63StackSlot::StackSlot(unsigned byteSize, StackSlotKind kind, B3::StackSlot* b3Slot)
64 : m_byteSize(byteSize)
65 , m_offsetFromFP(b3Slot ? b3Slot->offsetFromFP() : 0)
66 , m_kind(kind)
67 , m_b3Slot(b3Slot)
68{
69 ASSERT(byteSize);
70}
71
72} } } // namespace JSC::B3::Air
73
74#endif // ENABLE(B3_JIT)
75