aboutsummaryrefslogtreecommitdiff
path: root/include/asm-parisc/rt_sigframe.h
blob: 5623c032b64c9207e53bd3f4e984fc233564ccb2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
#ifndef _ASM_PARISC_RT_SIGFRAME_H
#define _ASM_PARISC_RT_SIGFRAME_H

#ifdef CONFIG_COMPAT
#include <asm/compat_rt_sigframe.h>
#endif

#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