36 lines
		
	
	
		
			773 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			773 B
		
	
	
	
		
			C
		
	
	
	
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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 * (C) 2018 Google, Inc
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 * Written by Simon Glass <sjg@chromium.org>
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 */
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#ifndef _SETJMP_H_
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#define _SETJMP_H_
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struct jmp_buf_data {
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	/*
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	 * We're not sure how long this should be:
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	 *
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	 *   amd64: 200 bytes
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	 *   arm64: 392 bytes
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	 *   armhf: 392 bytes
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	 *
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	 * So allow space for all of those, plus some extra.
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	 * We don't need to worry about 16-byte alignment, since this does not
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	 * run on Windows.
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	 */
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	ulong data[128];
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};
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typedef struct jmp_buf_data jmp_buf[1];
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/*
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 * We have to directly link with the system versions of
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 * setjmp/longjmp, because setjmp must not return as otherwise
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 * the stack may become invalid.
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 */
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int setjmp(jmp_buf jmp);
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__noreturn void longjmp(jmp_buf jmp, int ret);
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#endif /* _SETJMP_H_ */
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