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/*

 *  include/asm-s390/sigcontext.h

 *

 *  S390 version

 *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation

 */

#ifndef _ASM_S390_SIGCONTEXT_H

#define _ASM_S390_SIGCONTEXT_H

#define __NUM_GPRS 16

#define __NUM_FPRS 16

#define __NUM_ACRS 16

/*

  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

#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;

        double   fprs[__NUM_FPRS];

} _s390_fp_regs;

typedef struct

{

        _s390_regs_common regs;

        _s390_fp_regs     fpregs;

} _sigregs;

struct sigcontext

{

        unsigned long   oldmask[_SIGCONTEXT_NSIG_WORDS];

        _sigregs        *sregs;

};

#endif