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Diffstat (limited to 'arch/s390/include/asm/sigcontext.h')
-rw-r--r-- | arch/s390/include/asm/sigcontext.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sigcontext.h b/arch/s390/include/asm/sigcontext.h new file mode 100644 index 000000000000..aeb6e0b13329 --- /dev/null +++ b/arch/s390/include/asm/sigcontext.h @@ -0,0 +1,71 @@ +/* + * 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 + +#include <linux/compiler.h> + +#define __NUM_GPRS 16 +#define __NUM_FPRS 16 +#define __NUM_ACRS 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; + 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 __user *sregs; +}; + + +#endif + |