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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* S390 version
* Copyright IBM Corp. 1999, 2000
*/
#ifndef _ASM_S390_SIGCONTEXT_H
#define _ASM_S390_SIGCONTEXT_H
#include <linux/compiler.h>
#include <linux/types.h>
#define __NUM_GPRS 16
#define __NUM_FPRS 16
#define __NUM_ACRS 16
#define __NUM_VXRS 32
#define __NUM_VXRS_LOW 16
#define __NUM_VXRS_HIGH 16
#ifndef __s390x__
/* Has to be at least _NSIG_WORDS from asm/signal.h */
#define _SIGCONTEXT_NSIG 64
#define _SIGCONTEXT_NSIG_BPW 32
/* Size of stack frame allocated when calling signal handler. */
#define __SIGNAL_FRAMESIZE 96
#else /* __s390x__ */
/* Has to be at least _NSIG_WORDS from asm/signal.h */
#define _SIGCONTEXT_NSIG 64
#define _SIGCONTEXT_NSIG_BPW 64
/* Size of stack frame allocated when calling signal handler. */
#define __SIGNAL_FRAMESIZE 160
#endif /* __s390x__ */
#define _SIGCONTEXT_NSIG_WORDS (_SIGCONTEXT_NSIG / _SIGCONTEXT_NSIG_BPW)
#define _SIGMASK_COPY_SIZE (sizeof(unsigned long)*_SIGCONTEXT_NSIG_WORDS)
typedef struct
{
unsigned long mask;
unsigned long addr;
} __attribute__ ((aligned(8))) _psw_t;
typedef struct
{
_psw_t psw;
unsigned long gprs[__NUM_GPRS];
unsigned int acrs[__NUM_ACRS];
} _s390_regs_common;
typedef struct
{
unsigned int fpc;
unsigned int pad;
double fprs[__NUM_FPRS];
} _s390_fp_regs;
typedef struct
{
_s390_regs_common regs;
_s390_fp_regs fpregs;
} _sigregs;
typedef struct
{
#ifndef __s390x__
unsigned long gprs_high[__NUM_GPRS];
#endif
unsigned long long vxrs_low[__NUM_VXRS_LOW];
__vector128 vxrs_high[__NUM_VXRS_HIGH];
unsigned char __reserved[128];
} _sigregs_ext;
struct sigcontext
{
unsigned long oldmask[_SIGCONTEXT_NSIG_WORDS];
_sigregs __user *sregs;
};
#endif