[mirror_ubuntu-bionic-kernel.git] / include / asm-parisc / 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
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_PARISC_RT_SIGFRAME_H
	2	#define _ASM_PARISC_RT_SIGFRAME_H
	3
1da177e4 LT	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