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 | |
34 | namespace JSC { |
35 | |
36 | bool 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 | |