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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-s390/] [sigcontext.h] - Rev 1765

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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
 
 

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