| /* |
| * Copyright (C) 2012 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(UDIS86) |
| |
| #include "MacroAssemblerCodeRef.h" |
| #include "udis86.h" |
| |
| namespace JSC { |
| |
| bool tryToDisassemble(const MacroAssemblerCodePtr& codePtr, size_t size, const char* prefix, PrintStream& out) |
| { |
| ud_t disassembler; |
| ud_init(&disassembler); |
| ud_set_input_buffer(&disassembler, static_cast<unsigned char*>(codePtr.executableAddress()), size); |
| #if CPU(X86_64) |
| ud_set_mode(&disassembler, 64); |
| #else |
| ud_set_mode(&disassembler, 32); |
| #endif |
| ud_set_pc(&disassembler, bitwise_cast<uintptr_t>(codePtr.executableAddress())); |
| ud_set_syntax(&disassembler, UD_SYN_ATT); |
| |
| uint64_t currentPC = disassembler.pc; |
| while (ud_disassemble(&disassembler)) { |
| char pcString[20]; |
| snprintf(pcString, sizeof(pcString), "0x%lx", static_cast<unsigned long>(currentPC)); |
| out.printf("%s%16s: %s\n", prefix, pcString, ud_insn_asm(&disassembler)); |
| currentPC = disassembler.pc; |
| } |
| |
| return true; |
| } |
| |
| } // namespace JSC |
| |
| #endif // USE(UDIS86) |
| |