blob: 457cbb2866ddfc368c314ac3852f5e03a0418990 [file] [log] [blame]
/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef JumpReplacementWatchpoint_h
#define JumpReplacementWatchpoint_h
#include "Watchpoint.h"
#include <wtf/Platform.h>
#if ENABLE(JIT)
#include "CodeLocation.h"
#include "MacroAssembler.h"
namespace JSC {
class JumpReplacementWatchpoint : public Watchpoint {
public:
JumpReplacementWatchpoint()
: m_source(std::numeric_limits<uintptr_t>::max())
, m_destination(std::numeric_limits<uintptr_t>::max())
{
}
JumpReplacementWatchpoint(MacroAssembler::Label source)
: m_source(source.m_label.m_offset)
, m_destination(std::numeric_limits<uintptr_t>::max())
{
}
MacroAssembler::Label sourceLabel() const
{
MacroAssembler::Label label;
label.m_label.m_offset = m_source;
return label;
}
void setDestination(MacroAssembler::Label destination)
{
m_destination = destination.m_label.m_offset;
}
void correctLabels(LinkBuffer&);
protected:
void fireInternal();
private:
uintptr_t m_source;
uintptr_t m_destination;
};
} // namespace JSC
#endif // ENABLE(JIT)
#endif // JumpReplacementWatchpoint_h