webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 86 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/assembler/MacroAssemblerCodeRef.cpp b/Source/JavaScriptCore/assembler/MacroAssemblerCodeRef.cpp
new file mode 100644
index 000000000..06460c9cb
--- /dev/null
+++ b/Source/JavaScriptCore/assembler/MacroAssemblerCodeRef.cpp
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 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 "MacroAssemblerCodeRef.h"
+
+#include "JSCInlines.h"
+#include "LLIntData.h"
+
+namespace JSC {
+
+MacroAssemblerCodePtr MacroAssemblerCodePtr::createLLIntCodePtr(OpcodeID codeId)
+{
+    return createFromExecutableAddress(LLInt::getCodePtr(codeId));
+}
+
+void MacroAssemblerCodePtr::dumpWithName(const char* name, PrintStream& out) const
+{
+    if (!m_value) {
+        out.print(name, "(null)");
+        return;
+    }
+    if (executableAddress() == dataLocation()) {
+        out.print(name, "(", RawPointer(executableAddress()), ")");
+        return;
+    }
+    out.print(name, "(executable = ", RawPointer(executableAddress()), ", dataLocation = ", RawPointer(dataLocation()), ")");
+}
+
+void MacroAssemblerCodePtr::dump(PrintStream& out) const
+{
+    dumpWithName("CodePtr", out);
+}
+
+MacroAssemblerCodeRef MacroAssemblerCodeRef::createLLIntCodeRef(OpcodeID codeId)
+{
+    return createSelfManagedCodeRef(MacroAssemblerCodePtr::createFromExecutableAddress(LLInt::getCodePtr(codeId)));
+}
+
+bool MacroAssemblerCodeRef::tryToDisassemble(PrintStream& out, const char* prefix) const
+{
+    return JSC::tryToDisassemble(m_codePtr, size(), prefix, out);
+}
+
+bool MacroAssemblerCodeRef::tryToDisassemble(const char* prefix) const
+{
+    return tryToDisassemble(WTF::dataFile(), prefix);
+}
+
+CString MacroAssemblerCodeRef::disassembly() const
+{
+    StringPrintStream out;
+    if (!tryToDisassemble(out, ""))
+        return CString();
+    return out.toCString();
+}
+
+void MacroAssemblerCodeRef::dump(PrintStream& out) const
+{
+    m_codePtr.dumpWithName("CodeRef", out);
+}
+
+} // namespace JSC
+