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Diffstat (limited to 'Source/JavaScriptCore/dfg/DFGJumpReplacement.cpp')
-rw-r--r-- | Source/JavaScriptCore/dfg/DFGJumpReplacement.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGJumpReplacement.cpp b/Source/JavaScriptCore/dfg/DFGJumpReplacement.cpp new file mode 100644 index 000000000..533752997 --- /dev/null +++ b/Source/JavaScriptCore/dfg/DFGJumpReplacement.cpp @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2013 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 "DFGJumpReplacement.h" + +#if ENABLE(DFG_JIT) + +#include "MacroAssembler.h" +#include "JSCInlines.h" +#include "Options.h" + +namespace JSC { namespace DFG { + +void JumpReplacement::fire() +{ + if (Options::dumpDisassembly()) + dataLogF("Firing jump replacement watchpoint from %p, to %p.\n", m_source.dataLocation(), m_destination.dataLocation()); + MacroAssembler::replaceWithJump(m_source, m_destination); +} + +} } // namespace JSC::DFG + +#endif // ENABLE(DFG_JIT) + |