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51 lines
1.2 KiB
51 lines
1.2 KiB
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "platform/base/location.h"
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#include <sstream>
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#include "platform/base/macros.h"
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namespace openscreen {
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Location::Location() = default;
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Location::Location(const Location&) = default;
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Location::Location(Location&&) noexcept = default;
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Location::Location(const void* program_counter)
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: program_counter_(program_counter) {}
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Location& Location::operator=(const Location& other) = default;
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Location& Location::operator=(Location&& other) = default;
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std::string Location::ToString() const {
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if (program_counter_ == nullptr) {
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return "pc:NULL";
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}
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std::ostringstream oss;
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oss << "pc:" << program_counter_;
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return oss.str();
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}
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#if defined(__GNUC__)
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#define RETURN_ADDRESS() \
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__builtin_extract_return_addr(__builtin_return_address(0))
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#else
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#define RETURN_ADDRESS() nullptr
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#endif
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// static
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OSP_NOINLINE Location Location::CreateFromHere() {
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return Location(RETURN_ADDRESS());
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}
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// static
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OSP_NOINLINE const void* GetProgramCounter() {
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return RETURN_ADDRESS();
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}
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} // namespace openscreen
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