https://github.com/torvalds/linux
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Tip revision: d8c3291c73b958243b33f8509d4507e76dafd055 authored by Linus Torvalds on 11 May 2006, 23:31:53 UTC
Linux v2.6.17-rc4
Tip revision: d8c3291
rt_sigframe.h
#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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