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authorAllan Sandfeld Jensen <allan.jensen@digia.com>2013-09-13 12:51:20 +0200
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-09-19 20:50:05 +0200
commitd441d6f39bb846989d95bcf5caf387b42414718d (patch)
treee367e64a75991c554930278175d403c072de6bb8 /Source/JavaScriptCore/disassembler/ARMv7Disassembler.cpp
parent0060b2994c07842f4c59de64b5e3e430525c4b90 (diff)
downloadqtwebkit-d441d6f39bb846989d95bcf5caf387b42414718d.tar.gz
Import Qt5x2 branch of QtWebkit for Qt 5.2
Importing a new snapshot of webkit. Change-Id: I2d01ad12cdc8af8cb015387641120a9d7ea5f10c Reviewed-by: Allan Sandfeld Jensen <allan.jensen@digia.com>
Diffstat (limited to 'Source/JavaScriptCore/disassembler/ARMv7Disassembler.cpp')
-rw-r--r--Source/JavaScriptCore/disassembler/ARMv7Disassembler.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/disassembler/ARMv7Disassembler.cpp b/Source/JavaScriptCore/disassembler/ARMv7Disassembler.cpp
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+++ b/Source/JavaScriptCore/disassembler/ARMv7Disassembler.cpp
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+/*
+ * 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 "Disassembler.h"
+
+#if USE(ARMV7_DISASSEMBLER)
+
+#include "ARMv7/ARMv7DOpcode.h"
+#include "MacroAssemblerCodeRef.h"
+
+namespace JSC {
+
+bool tryToDisassemble(const MacroAssemblerCodePtr& codePtr, size_t size, const char* prefix, PrintStream& out)
+{
+ ARMv7DOpcode armOpcode;
+
+ uint16_t* currentPC = reinterpret_cast<uint16_t*>(reinterpret_cast<uintptr_t>(codePtr.executableAddress())&~1);
+ uint16_t* endPC = currentPC + (size / sizeof(uint16_t));
+
+ while (currentPC < endPC) {
+ char pcString[12];
+ snprintf(pcString, sizeof(pcString), "0x%x", reinterpret_cast<unsigned>(currentPC));
+ out.printf("%s%10s: %s\n", prefix, pcString, armOpcode.disassemble(currentPC));
+ }
+
+ return true;
+}
+
+} // namespace JSC
+
+#endif // USE(ARMV7_DISASSEMBLER)
+