[mirror_ubuntu-focal-kernel.git] / arch / s390 / include / uapi / asm / ucontext.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 *  S390 version
 *
 *  Derived from "include/asm-i386/ucontext.h"
 */

#ifndef _ASM_S390_UCONTEXT_H
#define _ASM_S390_UCONTEXT_H

#define UC_GPRS_HIGH	1	/* uc_mcontext_ext has valid high gprs */
#define UC_VXRS		2	/* uc_mcontext_ext has valid vector regs */

/*
 * The struct ucontext_extended describes how the registers are stored
 * on a rt signal frame. Please note that the structure is not fixed,
 * if new CPU registers are added to the user state the size of the
 * struct ucontext_extended will increase.
 */
struct ucontext_extended {
	unsigned long	  uc_flags;
	struct ucontext  *uc_link;
	stack_t		  uc_stack;
	_sigregs	  uc_mcontext;
	sigset_t	  uc_sigmask;
	/* Allow for uc_sigmask growth.  Glibc uses a 1024-bit sigset_t.  */
	unsigned char	  __unused[128 - sizeof(sigset_t)];
	_sigregs_ext	  uc_mcontext_ext;
};

struct ucontext {
	unsigned long	  uc_flags;
	struct ucontext  *uc_link;
	stack_t		  uc_stack;
	_sigregs          uc_mcontext;
	sigset_t	  uc_sigmask;
	/* Allow for uc_sigmask growth.  Glibc uses a 1024-bit sigset_t.  */
	unsigned char	  __unused[128 - sizeof(sigset_t)];
};

#endif /* !_ASM_S390_UCONTEXT_H */
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
1da177e4	2	/*
1da177e4 LT	3	* S390 version
	4	*
	5	* Derived from "include/asm-i386/ucontext.h"
	6	*/
	7
	8	#ifndef _ASM_S390_UCONTEXT_H
	9	#define _ASM_S390_UCONTEXT_H
	10
80703617 MS	11	#define UC_GPRS_HIGH 1 /* uc_mcontext_ext has valid high gprs */
80703617 MS	12	#define UC_VXRS 2 /* uc_mcontext_ext has valid vector regs */
ea2a4d3a	13
80703617 MS	14	/*
	15	* The struct ucontext_extended describes how the registers are stored
	16	* on a rt signal frame. Please note that the structure is not fixed,
	17	* if new CPU registers are added to the user state the size of the
	18	* struct ucontext_extended will increase.
	19	*/
ea2a4d3a HC	20	struct ucontext_extended {
	21	unsigned long uc_flags;
	22	struct ucontext *uc_link;
	23	stack_t uc_stack;
	24	_sigregs uc_mcontext;
b9c9a33b MS	25	sigset_t uc_sigmask;
	26	/* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
	27	unsigned char __unused[128 - sizeof(sigset_t)];
80703617	28	_sigregs_ext uc_mcontext_ext;
ea2a4d3a HC	29	};
ea2a4d3a HC	30
1da177e4 LT	31	struct ucontext {
	32	unsigned long uc_flags;
	33	struct ucontext *uc_link;
	34	stack_t uc_stack;
	35	_sigregs uc_mcontext;
b9c9a33b MS	36	sigset_t uc_sigmask;
	37	/* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
	38	unsigned char __unused[128 - sizeof(sigset_t)];
1da177e4 LT	39	};
	40
	41	#endif /* !_ASM_S390_UCONTEXT_H */