1  /*
 2   * Copyright (C) 2016-2018 Apple 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 APPLE 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 APPLE 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 "MacroAssemblerCodeRef.h"
28  
29  #include "Disassembler.h"
30  #include "JSCPtrTag.h"
31  #include <wtf/StringPrintStream.h>
32  
33  namespace JSC {
34  
35  void MacroAssemblerCodePtrBase::dumpWithName(void* executableAddress, void* dataLocation, const char* name, PrintStream& out)
36  {
37      if (!executableAddress) {
38          out.print(name, "(null)");
39          return;
40      }
41      if (executableAddress == dataLocation) {
42          out.print(name, "(", RawPointer(executableAddress), ")");
43          return;
44      }
45      out.print(name, "(executable = ", RawPointer(executableAddress), ", dataLocation = ", RawPointer(dataLocation), ")");
46  }
47  
48  bool MacroAssemblerCodeRefBase::tryToDisassemble(MacroAssemblerCodePtr<DisassemblyPtrTag> codePtr, size_t size, const char* prefix, PrintStream& out)
49  {
50      return JSC::tryToDisassemble(codePtr, size, prefix, out);
51  }
52  
53  bool MacroAssemblerCodeRefBase::tryToDisassemble(MacroAssemblerCodePtr<DisassemblyPtrTag> codePtr, size_t size, const char* prefix)
54  {
55      return tryToDisassemble(codePtr, size, prefix, WTF::dataFile());
56  }
57  
58  CString MacroAssemblerCodeRefBase::disassembly(MacroAssemblerCodePtr<DisassemblyPtrTag> codePtr, size_t size)
59  {
60      StringPrintStream out;
61      if (!tryToDisassemble(codePtr, size, "", out))
62          return CString();
63      return out.toCString();
64  }
65  
66  } // namespace JSC
67