Release 4.14 arch/parisc/include/asm/rt_sigframe.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_PARISC_RT_SIGFRAME_H

#define _ASM_PARISC_RT_SIGFRAME_H


#define SIGRETURN_TRAMP 4

#define SIGRESTARTBLOCK_TRAMP 5 

#define TRAMP_SIZE (SIGRETURN_TRAMP + SIGRESTARTBLOCK_TRAMP)


struct rt_sigframe {
	/* XXX: Must match trampoline size in arch/parisc/kernel/signal.c 
                Secondary to that it must protect the ERESTART_RESTARTBLOCK
                trampoline we left on the stack (we were bad and didn't 
                change sp so we could run really fast.) */
	
unsigned int tramp[TRAMP_SIZE];
	
struct siginfo info;
	
struct ucontext uc;
};


#define	SIGFRAME		128

#define FUNCTIONCALLFRAME	96

#define PARISC_RT_SIGFRAME_SIZE					\
	(((sizeof(struct rt_sigframe) + FUNCTIONCALLFRAME) + SIGFRAME) & -SIGFRAME)

#endif
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Matthew Wilcox
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Greg Kroah-Hartman
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Directory: arch/parisc/include/asm

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