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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /security/sandbox/chromium/base/location.cc
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'security/sandbox/chromium/base/location.cc')
-rw-r--r--security/sandbox/chromium/base/location.cc106
1 files changed, 106 insertions, 0 deletions
diff --git a/security/sandbox/chromium/base/location.cc b/security/sandbox/chromium/base/location.cc
new file mode 100644
index 000000000..1333e6ec4
--- /dev/null
+++ b/security/sandbox/chromium/base/location.cc
@@ -0,0 +1,106 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "build/build_config.h"
+
+#if defined(COMPILER_MSVC)
+#include <intrin.h>
+#endif
+
+#include "base/location.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/stringprintf.h"
+
+namespace tracked_objects {
+
+Location::Location(const char* function_name,
+ const char* file_name,
+ int line_number,
+ const void* program_counter)
+ : function_name_(function_name),
+ file_name_(file_name),
+ line_number_(line_number),
+ program_counter_(program_counter) {
+}
+
+Location::Location()
+ : function_name_("Unknown"),
+ file_name_("Unknown"),
+ line_number_(-1),
+ program_counter_(NULL) {
+}
+
+Location::Location(const Location& other)
+ : function_name_(other.function_name_),
+ file_name_(other.file_name_),
+ line_number_(other.line_number_),
+ program_counter_(other.program_counter_) {
+}
+
+std::string Location::ToString() const {
+ return std::string(function_name_) + "@" + file_name_ + ":" +
+ base::IntToString(line_number_);
+}
+
+void Location::Write(bool display_filename, bool display_function_name,
+ std::string* output) const {
+ base::StringAppendF(output, "%s[%d] ",
+ display_filename ? file_name_ : "line",
+ line_number_);
+
+ if (display_function_name) {
+ WriteFunctionName(output);
+ output->push_back(' ');
+ }
+}
+
+void Location::WriteFunctionName(std::string* output) const {
+ // Translate "<" to "&lt;" for HTML safety.
+ // TODO(jar): Support ASCII or html for logging in ASCII.
+ for (const char *p = function_name_; *p; p++) {
+ switch (*p) {
+ case '<':
+ output->append("&lt;");
+ break;
+
+ case '>':
+ output->append("&gt;");
+ break;
+
+ default:
+ output->push_back(*p);
+ break;
+ }
+ }
+}
+
+//------------------------------------------------------------------------------
+LocationSnapshot::LocationSnapshot() : line_number(-1) {
+}
+
+LocationSnapshot::LocationSnapshot(
+ const tracked_objects::Location& location)
+ : file_name(location.file_name()),
+ function_name(location.function_name()),
+ line_number(location.line_number()) {
+}
+
+LocationSnapshot::~LocationSnapshot() {
+}
+
+//------------------------------------------------------------------------------
+#if defined(COMPILER_MSVC)
+__declspec(noinline)
+#endif
+BASE_EXPORT const void* GetProgramCounter() {
+#if defined(COMPILER_MSVC)
+ return _ReturnAddress();
+#elif defined(COMPILER_GCC) && !defined(OS_NACL)
+ return __builtin_extract_return_addr(__builtin_return_address(0));
+#else
+ return NULL;
+#endif
+}
+
+} // namespace tracked_objects