The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/security/sandbox/chromium/base/location.cc	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,102 @@
     1.4 +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
     1.5 +// Use of this source code is governed by a BSD-style license that can be
     1.6 +// found in the LICENSE file.
     1.7 +
     1.8 +#include "build/build_config.h"
     1.9 +
    1.10 +#if defined(COMPILER_MSVC)
    1.11 +// MSDN says to #include <intrin.h>, but that breaks the VS2005 build.
    1.12 +extern "C" {
    1.13 +  void* _ReturnAddress();
    1.14 +}
    1.15 +#endif
    1.16 +
    1.17 +#include "base/location.h"
    1.18 +#include "base/strings/string_number_conversions.h"
    1.19 +#include "base/strings/stringprintf.h"
    1.20 +
    1.21 +namespace tracked_objects {
    1.22 +
    1.23 +Location::Location(const char* function_name,
    1.24 +                   const char* file_name,
    1.25 +                   int line_number,
    1.26 +                   const void* program_counter)
    1.27 +    : function_name_(function_name),
    1.28 +      file_name_(file_name),
    1.29 +      line_number_(line_number),
    1.30 +      program_counter_(program_counter) {
    1.31 +}
    1.32 +
    1.33 +Location::Location()
    1.34 +    : function_name_("Unknown"),
    1.35 +      file_name_("Unknown"),
    1.36 +      line_number_(-1),
    1.37 +      program_counter_(NULL) {
    1.38 +}
    1.39 +
    1.40 +std::string Location::ToString() const {
    1.41 +  return std::string(function_name_) + "@" + file_name_ + ":" +
    1.42 +      base::IntToString(line_number_);
    1.43 +}
    1.44 +
    1.45 +void Location::Write(bool display_filename, bool display_function_name,
    1.46 +                     std::string* output) const {
    1.47 +  base::StringAppendF(output, "%s[%d] ",
    1.48 +      display_filename ? file_name_ : "line",
    1.49 +      line_number_);
    1.50 +
    1.51 +  if (display_function_name) {
    1.52 +    WriteFunctionName(output);
    1.53 +    output->push_back(' ');
    1.54 +  }
    1.55 +}
    1.56 +
    1.57 +void Location::WriteFunctionName(std::string* output) const {
    1.58 +  // Translate "<" to "&lt;" for HTML safety.
    1.59 +  // TODO(jar): Support ASCII or html for logging in ASCII.
    1.60 +  for (const char *p = function_name_; *p; p++) {
    1.61 +    switch (*p) {
    1.62 +      case '<':
    1.63 +        output->append("&lt;");
    1.64 +        break;
    1.65 +
    1.66 +      case '>':
    1.67 +        output->append("&gt;");
    1.68 +        break;
    1.69 +
    1.70 +      default:
    1.71 +        output->push_back(*p);
    1.72 +        break;
    1.73 +    }
    1.74 +  }
    1.75 +}
    1.76 +
    1.77 +//------------------------------------------------------------------------------
    1.78 +LocationSnapshot::LocationSnapshot() : line_number(-1) {
    1.79 +}
    1.80 +
    1.81 +LocationSnapshot::LocationSnapshot(
    1.82 +    const tracked_objects::Location& location)
    1.83 +    : file_name(location.file_name()),
    1.84 +      function_name(location.function_name()),
    1.85 +      line_number(location.line_number()) {
    1.86 +}
    1.87 +
    1.88 +LocationSnapshot::~LocationSnapshot() {
    1.89 +}
    1.90 +
    1.91 +//------------------------------------------------------------------------------
    1.92 +#if defined(COMPILER_MSVC)
    1.93 +__declspec(noinline)
    1.94 +#endif
    1.95 +BASE_EXPORT const void* GetProgramCounter() {
    1.96 +#if defined(COMPILER_MSVC)
    1.97 +  return _ReturnAddress();
    1.98 +#elif defined(COMPILER_GCC)
    1.99 +  return __builtin_extract_return_addr(__builtin_return_address(0));
   1.100 +#endif  // COMPILER_GCC
   1.101 +
   1.102 +  return NULL;
   1.103 +}
   1.104 +
   1.105 +}  // namespace tracked_objects