[mirror_ubuntu-bionic-kernel.git] / 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
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef _ASM_PARISC_RT_SIGFRAME_H
	3	#define _ASM_PARISC_RT_SIGFRAME_H
	4
1da177e4 LT	5	#define SIGRETURN_TRAMP 4
	6	#define SIGRESTARTBLOCK_TRAMP 5
	7	#define TRAMP_SIZE (SIGRETURN_TRAMP + SIGRESTARTBLOCK_TRAMP)
	8
	9	struct rt_sigframe {
	10	/* XXX: Must match trampoline size in arch/parisc/kernel/signal.c
	11	Secondary to that it must protect the ERESTART_RESTARTBLOCK
	12	trampoline we left on the stack (we were bad and didn't
	13	change sp so we could run really fast.) */
	14	unsigned int tramp[TRAMP_SIZE];
	15	struct siginfo info;
	16	struct ucontext uc;
	17	};
	18
	19	#define SIGFRAME 128
	20	#define FUNCTIONCALLFRAME 96
	21	#define PARISC_RT_SIGFRAME_SIZE \
	22	(((sizeof(struct rt_sigframe) + FUNCTIONCALLFRAME) + SIGFRAME) & -SIGFRAME)
	23
	24	#endif