webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 74 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/b3/air/AirStackSlot.cpp b/Source/JavaScriptCore/b3/air/AirStackSlot.cpp
new file mode 100644
index 000000000..58cac0657
--- /dev/null
+++ b/Source/JavaScriptCore/b3/air/AirStackSlot.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2015-2016 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 "AirStackSlot.h"
+
+#if ENABLE(B3_JIT)
+
+#include "B3StackSlot.h"
+
+namespace JSC { namespace B3 { namespace Air {
+
+void StackSlot::setOffsetFromFP(intptr_t value)
+{
+    m_offsetFromFP = value;
+    if (m_b3Slot)
+        m_b3Slot->m_offsetFromFP = value;
+}
+
+unsigned StackSlot::jsHash() const
+{
+    return static_cast<unsigned>(m_kind) + m_byteSize * 3 + m_offsetFromFP * 7;
+}
+
+void StackSlot::dump(PrintStream& out) const
+{
+    if (isSpill())
+        out.print("spill");
+    else
+        out.print("stack");
+    out.print(m_index);
+}
+
+void StackSlot::deepDump(PrintStream& out) const
+{
+    out.print("byteSize = ", m_byteSize, ", offsetFromFP = ", m_offsetFromFP, ", kind = ", m_kind);
+    if (m_b3Slot)
+        out.print(", b3Slot = ", *m_b3Slot, ": (", B3::deepDump(m_b3Slot), ")");
+}
+
+StackSlot::StackSlot(unsigned byteSize, StackSlotKind kind, B3::StackSlot* b3Slot)
+    : m_byteSize(byteSize)
+    , m_offsetFromFP(b3Slot ? b3Slot->offsetFromFP() : 0)
+    , m_kind(kind)
+    , m_b3Slot(b3Slot)
+{
+    ASSERT(byteSize);
+}
+
+} } } // namespace JSC::B3::Air
+
+#endif // ENABLE(B3_JIT)