1/*
2 * Copyright (C) 2015 Cisco Systems, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY CISCO SYSTEMS, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CISCO SYSTEMS, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "Disassembler.h"
28
29#if USE(MIPS32_DISASSEMBLER)
30
31#include "mips32/Mips32Opcode.h"
32#include "MacroAssemblerCodeRef.h"
33
34namespace JSC {
35
36bool tryToDisassemble(const MacroAssemblerCodePtr& codePtr, size_t size, const char* prefix, PrintStream& out)
37{
38 Mips32Opcode mipsOpcode;
39
40 uint32_t* currentPC = reinterpret_cast<uint32_t*>(reinterpret_cast<uintptr_t>(codePtr.executableAddress()) & ~3);
41 uint32_t* endPC = currentPC + (size / sizeof(uint32_t));
42
43 while (currentPC < endPC) {
44 char pcString[12];
45 snprintf(pcString, sizeof(pcString), "0x%x", reinterpret_cast<unsigned>(currentPC));
46 out.printf("%s%10s: %s\n", prefix, pcString, mipsOpcode.disassemble(currentPC));
47 currentPC++;
48 }
49
50 return true;
51}
52
53} // namespace JSC
54
55#endif // USE(MIPS32_DISASSEMBLER)
56
57

source code of qtdeclarative/src/3rdparty/masm/disassembler/Mips32Disassembler.cpp