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Diffstat (limited to 'Source/JavaScriptCore/disassembler/ARM64Disassembler.cpp')
| -rw-r--r-- | Source/JavaScriptCore/disassembler/ARM64Disassembler.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/disassembler/ARM64Disassembler.cpp b/Source/JavaScriptCore/disassembler/ARM64Disassembler.cpp new file mode 100644 index 000000000..bb8fde4e4 --- /dev/null +++ b/Source/JavaScriptCore/disassembler/ARM64Disassembler.cpp @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2012, 2014 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. + */ + +#define __STDC_FORMAT_MACROS +#include "config.h" +#include "Disassembler.h" + +#if USE(ARM64_DISASSEMBLER) + +#include "ARM64/A64DOpcode.h" +#include "MacroAssemblerCodeRef.h" + +namespace JSC { + +bool tryToDisassemble(const MacroAssemblerCodePtr& codePtr, size_t size, const char* prefix, PrintStream& out) +{ + A64DOpcode arm64Opcode; + + uint32_t* currentPC = reinterpret_cast<uint32_t*>(codePtr.executableAddress()); + size_t byteCount = size; + + while (byteCount) { + char pcString[20]; + snprintf(pcString, sizeof(pcString), "0x%lx", reinterpret_cast<unsigned long>(currentPC)); + out.printf("%s%16s: %s\n", prefix, pcString, arm64Opcode.disassemble(currentPC)); + currentPC++; + byteCount -= sizeof(uint32_t); + } + + return true; +} + +} // namespace JSC + +#endif // USE(ARM64_DISASSEMBLER) + |