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// 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
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