21 lines
		
	
	
		
			314 B
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			314 B
		
	
	
	
		
			C++
		
	
	
namespace factor
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{
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inline cell align_page(cell a)
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{
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	return align(a,getpagesize());
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}
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/* segments set up guard pages to check for under/overflow.
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size must be a multiple of the page size */
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struct segment {
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	cell start;
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	cell size;
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	cell end;
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	explicit segment(cell size, bool executable_p);
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	~segment();
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};
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}
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