blob: c62d9513ea55330e0b41eb3fe8a035c85f638545 [file] [log] [blame]
/*
* Copyright (C) 2011-2019 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.
*/
#include "config.h"
#include "VirtualRegister.h"
#include "RegisterID.h"
namespace JSC {
void VirtualRegister::dump(PrintStream& out) const
{
if (!isValid()) {
out.print("<invalid>");
return;
}
if (isHeader()) {
if (m_virtualRegister == CallFrameSlot::codeBlock)
out.print("codeBlock");
else if (m_virtualRegister == CallFrameSlot::callee)
out.print("callee");
else if (m_virtualRegister == CallFrameSlot::argumentCountIncludingThis)
out.print("argumentCountIncludingThis");
#if CPU(ADDRESS64)
else if (!m_virtualRegister)
out.print("callerFrame");
else if (m_virtualRegister == 1)
out.print("returnPC");
#else
else if (!m_virtualRegister)
out.print("callerFrameAndReturnPC");
#endif
return;
}
if (isConstant()) {
out.print("const", toConstantIndex());
return;
}
if (isArgument()) {
if (!toArgument())
out.print("this");
else
out.print("arg", toArgument());
return;
}
if (isLocal()) {
out.print("loc", toLocal());
return;
}
RELEASE_ASSERT_NOT_REACHED();
}
VirtualRegister::VirtualRegister(RegisterID* reg)
: VirtualRegister(reg->m_virtualRegister.m_virtualRegister)
{
}
VirtualRegister::VirtualRegister(RefPtr<RegisterID> reg)
: VirtualRegister(reg.get())
{
}
} // namespace JSC