mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-11 03:10:57 +00:00
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015 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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#include "config.h"
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#include "CallFrameShuffleData.h"
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#if ENABLE(JIT)
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#include "CodeBlock.h"
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#include "RegisterAtOffsetList.h"
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namespace JSC {
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#if USE(JSVALUE64)
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void CallFrameShuffleData::setupCalleeSaveRegisters(CodeBlock* codeBlock)
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{
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RegisterSet calleeSaveRegisters { RegisterSet::vmCalleeSaveRegisters() };
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const RegisterAtOffsetList* registerSaveLocations = codeBlock->calleeSaveRegisters();
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for (size_t i = 0; i < registerSaveLocations->size(); ++i) {
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RegisterAtOffset entry { registerSaveLocations->at(i) };
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if (!calleeSaveRegisters.get(entry.reg()))
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continue;
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VirtualRegister saveSlot { entry.offsetAsIndex() };
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registers[entry.reg()]
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= ValueRecovery::displacedInJSStack(saveSlot, DataFormatJS);
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}
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for (Reg reg = Reg::first(); reg <= Reg::last(); reg = reg.next()) {
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if (!calleeSaveRegisters.get(reg))
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continue;
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if (registers[reg])
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continue;
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registers[reg] = ValueRecovery::inRegister(reg, DataFormatJS);
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}
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}
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#endif // USE(JSVALUE64)
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} // namespace JSC
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#endif // ENABLE(JIT)
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