1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
// Copyright (c) 2010 Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// source_line_resolver_base_types.h: definition of nested classes/structs in
// SourceLineResolverBase. It moves the definitions out of
// source_line_resolver_base.cc, so that other classes may have access
// to these private nested types without including source_line_resolver_base.cc
// In addition, Module is defined as a pure abstract class to be implemented by
// each concrete source line resolver class.
//
// See source_line_resolver_base.h for more documentation.
//
// Author: Siyang Xie (lambxsy@google.com)
#include <stdio.h>
#include <map>
#include <string>
#include "google_breakpad/common/breakpad_types.h"
#include "google_breakpad/processor/source_line_resolver_base.h"
#include "google_breakpad/processor/stack_frame.h"
#include "processor/cfi_frame_info.h"
#include "processor/windows_frame_info.h"
#ifndef PROCESSOR_SOURCE_LINE_RESOLVER_BASE_TYPES_H__
#define PROCESSOR_SOURCE_LINE_RESOLVER_BASE_TYPES_H__
namespace google_breakpad {
class SourceLineResolverBase::AutoFileCloser {
public:
explicit AutoFileCloser(FILE *file) : file_(file) {}
~AutoFileCloser() {
if (file_)
fclose(file_);
}
private:
FILE *file_;
};
struct SourceLineResolverBase::Line {
Line() { }
Line(MemAddr addr, MemAddr code_size, int file_id, int source_line)
: address(addr)
, size(code_size)
, source_file_id(file_id)
, line(source_line) { }
MemAddr address;
MemAddr size;
int32_t source_file_id;
int32_t line;
};
struct SourceLineResolverBase::Function {
Function() { }
Function(const string &function_name,
MemAddr function_address,
MemAddr code_size,
int set_parameter_size,
bool is_multiple)
: name(function_name), address(function_address), size(code_size),
parameter_size(set_parameter_size), is_multiple(is_multiple) { }
string name;
MemAddr address;
MemAddr size;
// The size of parameters passed to this function on the stack.
int32_t parameter_size;
// If the function's instructions correspond to multiple symbols.
bool is_multiple;
};
struct SourceLineResolverBase::PublicSymbol {
PublicSymbol() { }
PublicSymbol(const string& set_name,
MemAddr set_address,
int set_parameter_size,
bool is_multiple)
: name(set_name),
address(set_address),
parameter_size(set_parameter_size),
is_multiple(is_multiple) {}
string name;
MemAddr address;
// If the public symbol is used as a function entry point, parameter_size
// is set to the size of the parameters passed to the funciton on the
// stack, if known.
int32_t parameter_size;
// If the function's instructions correspond to multiple symbols.
bool is_multiple;
};
class SourceLineResolverBase::Module {
public:
virtual ~Module() { };
// Loads a map from the given buffer in char* type.
// Does NOT take ownership of memory_buffer (the caller, source line resolver,
// is the owner of memory_buffer).
// The passed in |memory buffer| is of size |memory_buffer_size|. If it is
// not null terminated, LoadMapFromMemory will null terminate it by modifying
// the passed in buffer.
virtual bool LoadMapFromMemory(char *memory_buffer,
size_t memory_buffer_size) = 0;
// Tells whether the loaded symbol data is corrupt. Return value is
// undefined, if the symbol data hasn't been loaded yet.
virtual bool IsCorrupt() const = 0;
// Looks up the given relative address, and fills the StackFrame struct
// with the result.
virtual void LookupAddress(StackFrame *frame) const = 0;
// If Windows stack walking information is available covering ADDRESS,
// return a WindowsFrameInfo structure describing it. If the information
// is not available, returns NULL. A NULL return value does not indicate
// an error. The caller takes ownership of any returned WindowsFrameInfo
// object.
virtual WindowsFrameInfo *
FindWindowsFrameInfo(const StackFrame *frame) const = 0;
// If CFI stack walking information is available covering ADDRESS,
// return a CFIFrameInfo structure describing it. If the information
// is not available, return NULL. The caller takes ownership of any
// returned CFIFrameInfo object.
virtual CFIFrameInfo *FindCFIFrameInfo(const StackFrame *frame) const = 0;
protected:
virtual bool ParseCFIRuleSet(const string &rule_set,
CFIFrameInfo *frame_info) const;
};
} // namespace google_breakpad
#endif // PROCESSOR_SOURCE_LINE_RESOLVER_BASE_TYPES_H__
|
