xref: /linux/arch/parisc/include/asm/rt_sigframe.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 #ifndef _ASM_PARISC_RT_SIGFRAME_H
2 #define _ASM_PARISC_RT_SIGFRAME_H
3 
4 #define SIGRETURN_TRAMP 4
5 #define SIGRESTARTBLOCK_TRAMP 5
6 #define TRAMP_SIZE (SIGRETURN_TRAMP + SIGRESTARTBLOCK_TRAMP)
7 
8 struct rt_sigframe {
9 	/* XXX: Must match trampoline size in arch/parisc/kernel/signal.c
10 	        Secondary to that it must protect the ERESTART_RESTARTBLOCK
11 		trampoline we left on the stack (we were bad and didn't
12 		change sp so we could run really fast.) */
13 	unsigned int tramp[TRAMP_SIZE];
14 	struct siginfo info;
15 	struct ucontext uc;
16 };
17 
18 #define	SIGFRAME		128
19 #define FUNCTIONCALLFRAME	96
20 #define PARISC_RT_SIGFRAME_SIZE					\
21 	(((sizeof(struct rt_sigframe) + FUNCTIONCALLFRAME) + SIGFRAME) & -SIGFRAME)
22 
23 #endif
24