Release 4.14 arch/s390/include/uapi/asm/sigcontext.h

/* 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

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Martin Schwidefsky
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Linus Torvalds
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Linus Torvalds (pre-git)
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Al Viro
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Greg Kroah-Hartman
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Heiko Carstens
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Directory: arch/s390/include/uapi/asm

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