1/*
2 * Copyright (C) 2016-2017 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#pragma once
27
28#if ENABLE(WEBASSEMBLY)
29
30#include "B3Compilation.h"
31#include "RegisterAtOffsetList.h"
32#include "WasmFormat.h"
33#include "WasmIndexOrName.h"
34#include <wtf/ThreadSafeRefCounted.h>
35
36namespace JSC { namespace Wasm {
37
38class Callee : public ThreadSafeRefCounted<Callee> {
39 WTF_MAKE_FAST_ALLOCATED;
40public:
41 static Ref<Callee> create(Wasm::Entrypoint&& entrypoint)
42 {
43 Callee* callee = new Callee(WTFMove(entrypoint));
44 return adoptRef(*callee);
45 }
46
47 static Ref<Callee> create(Wasm::Entrypoint&& entrypoint, size_t index, std::pair<const Name*, RefPtr<NameSection>>&& name)
48 {
49 Callee* callee = new Callee(WTFMove(entrypoint), index, WTFMove(name));
50 return adoptRef(*callee);
51 }
52
53 MacroAssemblerCodePtr<WasmEntryPtrTag> entrypoint() const { return m_entrypoint.compilation->code().retagged<WasmEntryPtrTag>(); }
54
55 RegisterAtOffsetList* calleeSaveRegisters() { return &m_entrypoint.calleeSaveRegisters; }
56 IndexOrName indexOrName() const { return m_indexOrName; }
57
58private:
59 JS_EXPORT_PRIVATE Callee(Wasm::Entrypoint&&);
60 JS_EXPORT_PRIVATE Callee(Wasm::Entrypoint&&, size_t, std::pair<const Name*, RefPtr<NameSection>>&&);
61
62 Wasm::Entrypoint m_entrypoint;
63 IndexOrName m_indexOrName;
64};
65
66} } // namespace JSC::Wasm
67
68#endif // ENABLE(WEBASSEMBLY)
69