mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-08 18:01:37 +00:00
95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
/*
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(MASM_PROBE)
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#include "CallFrame.h"
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#include "ProbeStack.h"
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namespace JSC {
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namespace Probe {
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class Frame {
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public:
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Frame(void* frameBase, Stack& stack)
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: m_frameBase { reinterpret_cast<uint8_t*>(frameBase) }
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, m_stack { stack }
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{ }
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template<typename T = JSValue>
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T argument(int argument)
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{
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return get<T>(CallFrame::argumentOffset(argument) * sizeof(Register));
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}
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template<typename T = JSValue>
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T operand(VirtualRegister operand)
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{
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return get<T>(operand.offset() * sizeof(Register));
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}
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template<typename T = JSValue>
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T operand(VirtualRegister operand, ptrdiff_t offset)
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{
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return get<T>(operand.offset() * sizeof(Register) + offset);
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}
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template<typename T>
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void setArgument(int argument, T value)
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{
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return set<T>(CallFrame::argumentOffset(argument) * sizeof(Register), value);
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}
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template<typename T>
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void setOperand(VirtualRegister operand, T value)
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{
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set<T>(operand.offset() * sizeof(Register), value);
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}
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template<typename T>
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void setOperand(VirtualRegister operand, ptrdiff_t offset, T value)
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{
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set<T>(operand.offset() * sizeof(Register) + offset, value);
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}
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template<typename T = JSValue>
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T get(ptrdiff_t offset)
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{
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return m_stack.get<T>(m_frameBase + offset);
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}
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template<typename T>
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void set(ptrdiff_t offset, T value)
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{
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m_stack.set<T>(m_frameBase + offset, value);
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}
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private:
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uint8_t* m_frameBase;
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Stack& m_stack;
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};
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} // namespace Probe
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} // namespace JSC
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#endif // ENABLE(MASM_PROBE)
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