The Tor Browser / file comparison
comparison: security/sandbox/chromium/base/location.cc
security/sandbox/chromium/base/location.cc
- branch
- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
equal
deleted
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replaced
| -1:000000000000 | 0:91254ddb54ce |
|---|---|
| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "build/build_config.h" | |
| 6 | |
| 7 #if defined(COMPILER_MSVC) | |
| 8 // MSDN says to #include <intrin.h>, but that breaks the VS2005 build. | |
| 9 extern "C" { | |
| 10 void* _ReturnAddress(); | |
| 11 } | |
| 12 #endif | |
| 13 | |
| 14 #include "base/location.h" | |
| 15 #include "base/strings/string_number_conversions.h" | |
| 16 #include "base/strings/stringprintf.h" | |
| 17 | |
| 18 namespace tracked_objects { | |
| 19 | |
| 20 Location::Location(const char* function_name, | |
| 21 const char* file_name, | |
| 22 int line_number, | |
| 23 const void* program_counter) | |
| 24 : function_name_(function_name), | |
| 25 file_name_(file_name), | |
| 26 line_number_(line_number), | |
| 27 program_counter_(program_counter) { | |
| 28 } | |
| 29 | |
| 30 Location::Location() | |
| 31 : function_name_("Unknown"), | |
| 32 file_name_("Unknown"), | |
| 33 line_number_(-1), | |
| 34 program_counter_(NULL) { | |
| 35 } | |
| 36 | |
| 37 std::string Location::ToString() const { | |
| 38 return std::string(function_name_) + "@" + file_name_ + ":" + | |
| 39 base::IntToString(line_number_); | |
| 40 } | |
| 41 | |
| 42 void Location::Write(bool display_filename, bool display_function_name, | |
| 43 std::string* output) const { | |
| 44 base::StringAppendF(output, "%s[%d] ", | |
| 45 display_filename ? file_name_ : "line", | |
| 46 line_number_); | |
| 47 | |
| 48 if (display_function_name) { | |
| 49 WriteFunctionName(output); | |
| 50 output->push_back(' '); | |
| 51 } | |
| 52 } | |
| 53 | |
| 54 void Location::WriteFunctionName(std::string* output) const { | |
| 55 // Translate "<" to "<" for HTML safety. | |
| 56 // TODO(jar): Support ASCII or html for logging in ASCII. | |
| 57 for (const char *p = function_name_; *p; p++) { | |
| 58 switch (*p) { | |
| 59 case '<': | |
| 60 output->append("<"); | |
| 61 break; | |
| 62 | |
| 63 case '>': | |
| 64 output->append(">"); | |
| 65 break; | |
| 66 | |
| 67 default: | |
| 68 output->push_back(*p); | |
| 69 break; | |
| 70 } | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 //------------------------------------------------------------------------------ | |
| 75 LocationSnapshot::LocationSnapshot() : line_number(-1) { | |
| 76 } | |
| 77 | |
| 78 LocationSnapshot::LocationSnapshot( | |
| 79 const tracked_objects::Location& location) | |
| 80 : file_name(location.file_name()), | |
| 81 function_name(location.function_name()), | |
| 82 line_number(location.line_number()) { | |
| 83 } | |
| 84 | |
| 85 LocationSnapshot::~LocationSnapshot() { | |
| 86 } | |
| 87 | |
| 88 //------------------------------------------------------------------------------ | |
| 89 #if defined(COMPILER_MSVC) | |
| 90 __declspec(noinline) | |
| 91 #endif | |
| 92 BASE_EXPORT const void* GetProgramCounter() { | |
| 93 #if defined(COMPILER_MSVC) | |
| 94 return _ReturnAddress(); | |
| 95 #elif defined(COMPILER_GCC) | |
| 96 return __builtin_extract_return_addr(__builtin_return_address(0)); | |
| 97 #endif // COMPILER_GCC | |
| 98 | |
| 99 return NULL; | |
| 100 } | |
| 101 | |
| 102 } // namespace tracked_objects |
