| // 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 "platform/base/location.h" |
| |
| #include <sstream> |
| |
| #include "platform/base/macros.h" |
| |
| namespace openscreen { |
| |
| Location::Location() = default; |
| Location::Location(const Location&) = default; |
| Location::Location(Location&&) noexcept = default; |
| |
| Location::Location(const void* program_counter) |
| : program_counter_(program_counter) {} |
| |
| Location& Location::operator=(const Location& other) = default; |
| Location& Location::operator=(Location&& other) = default; |
| |
| std::string Location::ToString() const { |
| if (program_counter_ == nullptr) { |
| return "pc:NULL"; |
| } |
| |
| std::ostringstream oss; |
| oss << "pc:" << program_counter_; |
| return oss.str(); |
| } |
| |
| #if defined(__GNUC__) |
| #define RETURN_ADDRESS() \ |
| __builtin_extract_return_addr(__builtin_return_address(0)) |
| #else |
| #define RETURN_ADDRESS() nullptr |
| #endif |
| |
| // static |
| OSP_NOINLINE Location Location::CreateFromHere() { |
| return Location(RETURN_ADDRESS()); |
| } |
| |
| // static |
| OSP_NOINLINE const void* GetProgramCounter() { |
| return RETURN_ADDRESS(); |
| } |
| |
| } // namespace openscreen |