51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
| // 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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| 
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| #include "platform/base/location.h"
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| 
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| #include <sstream>
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| 
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| #include "platform/base/macros.h"
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| 
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| namespace openscreen {
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| 
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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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| 
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| Location::Location(const void* program_counter)
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|     : program_counter_(program_counter) {}
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| }  // namespace openscreen
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