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| 1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 "base/debug_util.h" | 5 #include "base/debug_util.h" |
| 6 | 6 |
| 7 #include <errno.h> | 7 #include <errno.h> |
| 8 #include <fcntl.h> | 8 #include <fcntl.h> |
| 9 #include <stdio.h> | 9 #include <stdio.h> |
| 10 #include <stdlib.h> | 10 #include <stdlib.h> |
| 11 #include <sys/stat.h> | 11 #include <sys/stat.h> |
| 12 #include <sys/sysctl.h> | 12 #include <sys/sysctl.h> |
| 13 #include <sys/types.h> | 13 #include <sys/types.h> |
| 14 #include <unistd.h> | 14 #include <unistd.h> |
| 15 | 15 |
| 16 #include <string> |
| 17 #include <vector> |
| 18 |
| 16 #if defined(__GLIBCXX__) | 19 #if defined(__GLIBCXX__) |
| 17 #include <cxxabi.h> | 20 #include <cxxabi.h> |
| 18 #endif | 21 #endif |
| 19 | 22 |
| 20 #if defined(OS_MACOSX) | 23 #if defined(OS_MACOSX) |
| 21 #include <AvailabilityMacros.h> | 24 #include <AvailabilityMacros.h> |
| 22 #endif | 25 #endif |
| 23 | 26 |
| 24 #include <iostream> | 27 #include <iostream> |
| 25 #include <string> | 28 #include <string> |
| 26 | 29 |
| 27 #include "base/basictypes.h" | 30 #include "base/basictypes.h" |
| 28 #include "base/compat_execinfo.h" | 31 #include "base/compat_execinfo.h" |
| 29 #include "base/eintr_wrapper.h" | 32 #include "base/eintr_wrapper.h" |
| 30 #include "base/logging.h" | 33 #include "base/logging.h" |
| 31 #include "base/safe_strerror_posix.h" | 34 #include "base/safe_strerror_posix.h" |
| 32 #include "base/scoped_ptr.h" | 35 #include "base/scoped_ptr.h" |
| 33 #include "base/string_piece.h" | 36 #include "base/string_piece.h" |
| 34 #include "base/string_util.h" | 37 #include "base/stringprintf.h" |
| 35 | 38 |
| 36 #if defined(USE_SYMBOLIZE) | 39 #if defined(USE_SYMBOLIZE) |
| 37 #include "base/third_party/symbolize/symbolize.h" | 40 #include "base/third_party/symbolize/symbolize.h" |
| 38 #endif | 41 #endif |
| 39 | 42 |
| 40 namespace { | 43 namespace { |
| 41 // The prefix used for mangled symbols, per the Itanium C++ ABI: | 44 // The prefix used for mangled symbols, per the Itanium C++ ABI: |
| 42 // http://www.codesourcery.com/cxx-abi/abi.html#mangling | 45 // http://www.codesourcery.com/cxx-abi/abi.html#mangling |
| 43 const char kMangledSymbolPrefix[] = "_Z"; | 46 const char kMangledSymbolPrefix[] = "_Z"; |
| 44 | 47 |
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| 102 | 105 |
| 103 #if defined(USE_SYMBOLIZE) | 106 #if defined(USE_SYMBOLIZE) |
| 104 for (int i = 0; i < size; ++i) { | 107 for (int i = 0; i < size; ++i) { |
| 105 char symbol[1024]; | 108 char symbol[1024]; |
| 106 // Subtract by one as return address of function may be in the next | 109 // Subtract by one as return address of function may be in the next |
| 107 // function when a function is annotated as noreturn. | 110 // function when a function is annotated as noreturn. |
| 108 if (google::Symbolize(static_cast<char *>(trace[i]) - 1, | 111 if (google::Symbolize(static_cast<char *>(trace[i]) - 1, |
| 109 symbol, sizeof(symbol))) { | 112 symbol, sizeof(symbol))) { |
| 110 // Don't call DemangleSymbols() here as the symbol is demangled by | 113 // Don't call DemangleSymbols() here as the symbol is demangled by |
| 111 // google::Symbolize(). | 114 // google::Symbolize(). |
| 112 trace_strings->push_back(StringPrintf("%s [%p]", symbol, trace[i])); | 115 trace_strings->push_back( |
| 116 base::StringPrintf("%s [%p]", symbol, trace[i])); |
| 113 symbolized = true; | 117 symbolized = true; |
| 114 } else { | 118 } else { |
| 115 trace_strings->push_back(StringPrintf("%p", trace[i])); | 119 trace_strings->push_back(base::StringPrintf("%p", trace[i])); |
| 116 } | 120 } |
| 117 } | 121 } |
| 118 #else | 122 #else |
| 119 scoped_ptr_malloc<char*> trace_symbols(backtrace_symbols(trace, size)); | 123 scoped_ptr_malloc<char*> trace_symbols(backtrace_symbols(trace, size)); |
| 120 if (trace_symbols.get()) { | 124 if (trace_symbols.get()) { |
| 121 for (int i = 0; i < size; ++i) { | 125 for (int i = 0; i < size; ++i) { |
| 122 std::string trace_symbol = trace_symbols.get()[i]; | 126 std::string trace_symbol = trace_symbols.get()[i]; |
| 123 DemangleSymbols(&trace_symbol); | 127 DemangleSymbols(&trace_symbol); |
| 124 trace_strings->push_back(trace_symbol); | 128 trace_strings->push_back(trace_symbol); |
| 125 } | 129 } |
| 126 symbolized = true; | 130 symbolized = true; |
| 127 } else { | 131 } else { |
| 128 for (int i = 0; i < size; ++i) { | 132 for (int i = 0; i < size; ++i) { |
| 129 trace_strings->push_back(StringPrintf("%p", trace[i])); | 133 trace_strings->push_back(base::StringPrintf("%p", trace[i])); |
| 130 } | 134 } |
| 131 } | 135 } |
| 132 #endif // defined(USE_SYMBOLIZE) | 136 #endif // defined(USE_SYMBOLIZE) |
| 133 | 137 |
| 134 return symbolized; | 138 return symbolized; |
| 135 } | 139 } |
| 136 | 140 |
| 137 } // namespace | 141 } // namespace |
| 138 | 142 |
| 139 // static | 143 // static |
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| 293 (*os) << "Backtrace:\n"; | 297 (*os) << "Backtrace:\n"; |
| 294 } else { | 298 } else { |
| 295 (*os) << "Unable get symbols for backtrace (" << safe_strerror(errno) | 299 (*os) << "Unable get symbols for backtrace (" << safe_strerror(errno) |
| 296 << "). Dumping raw addresses in trace:\n"; | 300 << "). Dumping raw addresses in trace:\n"; |
| 297 } | 301 } |
| 298 | 302 |
| 299 for (size_t i = 0; i < trace_strings.size(); ++i) { | 303 for (size_t i = 0; i < trace_strings.size(); ++i) { |
| 300 (*os) << "\t" << trace_strings[i] << "\n"; | 304 (*os) << "\t" << trace_strings[i] << "\n"; |
| 301 } | 305 } |
| 302 } | 306 } |
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