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1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "build/build_config.h" | 5 #include "build/build_config.h" |
6 #include "base/debug_util.h" | 6 #include "base/debug_util.h" |
7 | 7 |
8 #include <errno.h> | 8 #include <errno.h> |
9 #include <execinfo.h> | 9 #include <execinfo.h> |
10 #include <fcntl.h> | 10 #include <fcntl.h> |
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97 | 97 |
98 base::StringPiece::size_type pid_index = status.find(tracer); | 98 base::StringPiece::size_type pid_index = status.find(tracer); |
99 if (pid_index == base::StringPiece::npos) | 99 if (pid_index == base::StringPiece::npos) |
100 return false; | 100 return false; |
101 | 101 |
102 // Our pid is 0 without a debugger, assume this for any pid starting with 0. | 102 // Our pid is 0 without a debugger, assume this for any pid starting with 0. |
103 pid_index += tracer.size(); | 103 pid_index += tracer.size(); |
104 return pid_index < status.size() && status[pid_index] != '0'; | 104 return pid_index < status.size() && status[pid_index] != '0'; |
105 } | 105 } |
106 | 106 |
| 107 #elif defined(OS_FREEBSD) |
| 108 |
| 109 // TODO(benl): can we determine this under FreeBSD? |
| 110 |
| 111 bool DebugUtil::BeingDebugged() { |
| 112 return false; |
| 113 } |
| 114 |
107 #endif // OS_LINUX | 115 #endif // OS_LINUX |
108 | 116 |
109 // static | 117 // static |
110 void DebugUtil::BreakDebugger() { | 118 void DebugUtil::BreakDebugger() { |
111 #if defined(ARCH_CPU_ARM_FAMILY) | 119 #if defined(ARCH_CPU_ARM_FAMILY) |
112 asm("bkpt 0"); | 120 asm("bkpt 0"); |
113 #else | 121 #else |
114 asm("int3"); | 122 asm("int3"); |
115 #endif | 123 #endif |
116 } | 124 } |
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137 for (int i = 0; i < count_; ++i) { | 145 for (int i = 0; i < count_; ++i) { |
138 (*os) << "\t" << trace_[i] << "\n"; | 146 (*os) << "\t" << trace_[i] << "\n"; |
139 } | 147 } |
140 } else { | 148 } else { |
141 (*os) << "Backtrace:\n"; | 149 (*os) << "Backtrace:\n"; |
142 for (int i = 0; i < count_; ++i) { | 150 for (int i = 0; i < count_; ++i) { |
143 (*os) << "\t" << trace_symbols.get()[i] << "\n"; | 151 (*os) << "\t" << trace_symbols.get()[i] << "\n"; |
144 } | 152 } |
145 } | 153 } |
146 } | 154 } |
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