1// Copyright (c) 2013 Google Inc.
2// 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 are
6// met:
7//
8// * Redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
14// * Neither the name of Google Inc. nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30// stackwalker_address_list.h: a pseudo stackwalker.
31//
32// Doesn't actually walk a stack, rather initializes a CallStack given an
33// explicit list of already walked return addresses.
34//
35// Author: Chris Hamilton <chrisha@chromium.org>
36
37#ifndef PROCESSOR_STACKWALKER_ADDRESS_LIST_H_
38#define PROCESSOR_STACKWALKER_ADDRESS_LIST_H_
39
40#include "common/basictypes.h"
41#include "google_breakpad/common/breakpad_types.h"
42#include "google_breakpad/processor/stackwalker.h"
43
44namespace google_breakpad {
45
46class CodeModules;
47
48class StackwalkerAddressList : public Stackwalker {
49 public:
50 // Initializes this stack walker with an explicit set of frame addresses.
51 // |modules| and |frame_symbolizer| are passed directly through to the base
52 // Stackwalker constructor.
53 StackwalkerAddressList(const uint64_t* frames,
54 size_t frame_count,
55 const CodeModules* modules,
56 StackFrameSymbolizer* frame_symbolizer);
57
58 private:
59 // Implementation of Stackwalker.
60 virtual StackFrame* GetContextFrame();
61 virtual StackFrame* GetCallerFrame(const CallStack* stack,
62 bool stack_scan_allowed);
63
64 const uint64_t* frames_;
65 size_t frame_count_;
66
67 DISALLOW_COPY_AND_ASSIGN(StackwalkerAddressList);
68};
69
70} // namespace google_breakpad
71
72#endif // PROCESSOR_STACKWALKER_ADDRESS_LIST_H_
73