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kernel/linux-rt-4.4.41/arch/s390/include/uapi/asm/sigcontext.h 1.67 KB
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  /*
   *  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