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1 // Copyright (c) 2006, 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
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 
30 // code_module.h: Carries information about code modules that are loaded
31 // into a process.
32 //
33 // Author: Mark Mentovai
34 
35 #ifndef GOOGLE_BREAKPAD_PROCESSOR_CODE_MODULE_H__
36 #define GOOGLE_BREAKPAD_PROCESSOR_CODE_MODULE_H__
37 
38 #include <string>
39 
40 #include "common/using_std_string.h"
41 #include "google_breakpad/common/breakpad_types.h"
42 
43 namespace google_breakpad {
44 
45 class CodeModule {
46  public:
~CodeModule()47   virtual ~CodeModule() {}
48 
49   // The base address of this code module as it was loaded by the process.
50   // (uint64_t)-1 on error.
51   virtual uint64_t base_address() const = 0;
52 
53   // The size of the code module.  0 on error.
54   virtual uint64_t size() const = 0;
55 
56   // The path or file name that the code module was loaded from.  Empty on
57   // error.
58   virtual string code_file() const = 0;
59 
60   // An identifying string used to discriminate between multiple versions and
61   // builds of the same code module.  This may contain a uuid, timestamp,
62   // version number, or any combination of this or other information, in an
63   // implementation-defined format.  Empty on error.
64   virtual string code_identifier() const = 0;
65 
66   // The filename containing debugging information associated with the code
67   // module.  If debugging information is stored in a file separate from the
68   // code module itself (as is the case when .pdb or .dSYM files are used),
69   // this will be different from code_file.  If debugging information is
70   // stored in the code module itself (possibly prior to stripping), this
71   // will be the same as code_file.  Empty on error.
72   virtual string debug_file() const = 0;
73 
74   // An identifying string similar to code_identifier, but identifies a
75   // specific version and build of the associated debug file.  This may be
76   // the same as code_identifier when the debug_file and code_file are
77   // identical or when the same identifier is used to identify distinct
78   // debug and code files.
79   virtual string debug_identifier() const = 0;
80 
81   // A human-readable representation of the code module's version.  Empty on
82   // error.
83   virtual string version() const = 0;
84 
85   // Creates a new copy of this CodeModule object, which the caller takes
86   // ownership of.  The new CodeModule may be of a different concrete class
87   // than the CodeModule being copied, but will behave identically to the
88   // copied CodeModule as far as the CodeModule interface is concerned.
89   virtual const CodeModule* Copy() const = 0;
90 };
91 
92 }  // namespace google_breakpad
93 
94 #endif  // GOOGLE_BREAKPAD_PROCESSOR_CODE_MODULE_H__
95