86 lines
1.7 KiB
C
86 lines
1.7 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* S390 version
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* Copyright IBM Corp. 1999, 2000
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*/
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#ifndef _ASM_S390_SIGCONTEXT_H
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#define _ASM_S390_SIGCONTEXT_H
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#include <linux/compiler.h>
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#include <linux/types.h>
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#define __NUM_GPRS 16
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#define __NUM_FPRS 16
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#define __NUM_ACRS 16
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#define __NUM_VXRS 32
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#define __NUM_VXRS_LOW 16
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#define __NUM_VXRS_HIGH 16
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#ifndef __s390x__
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/* Has to be at least _NSIG_WORDS from asm/signal.h */
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#define _SIGCONTEXT_NSIG 64
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#define _SIGCONTEXT_NSIG_BPW 32
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/* Size of stack frame allocated when calling signal handler. */
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#define __SIGNAL_FRAMESIZE 96
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#else /* __s390x__ */
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/* Has to be at least _NSIG_WORDS from asm/signal.h */
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#define _SIGCONTEXT_NSIG 64
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#define _SIGCONTEXT_NSIG_BPW 64
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/* Size of stack frame allocated when calling signal handler. */
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#define __SIGNAL_FRAMESIZE 160
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#endif /* __s390x__ */
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#define _SIGCONTEXT_NSIG_WORDS (_SIGCONTEXT_NSIG / _SIGCONTEXT_NSIG_BPW)
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#define _SIGMASK_COPY_SIZE (sizeof(unsigned long)*_SIGCONTEXT_NSIG_WORDS)
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typedef struct
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{
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unsigned long mask;
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unsigned long addr;
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} __attribute__ ((aligned(8))) _psw_t;
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typedef struct
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{
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_psw_t psw;
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unsigned long gprs[__NUM_GPRS];
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unsigned int acrs[__NUM_ACRS];
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} _s390_regs_common;
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typedef struct
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{
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unsigned int fpc;
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unsigned int pad;
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double fprs[__NUM_FPRS];
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} _s390_fp_regs;
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typedef struct
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{
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_s390_regs_common regs;
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_s390_fp_regs fpregs;
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} _sigregs;
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typedef struct
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{
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#ifndef __s390x__
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unsigned long gprs_high[__NUM_GPRS];
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#endif
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unsigned long long vxrs_low[__NUM_VXRS_LOW];
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__vector128 vxrs_high[__NUM_VXRS_HIGH];
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unsigned char __reserved[128];
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} _sigregs_ext;
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struct sigcontext
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{
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unsigned long oldmask[_SIGCONTEXT_NSIG_WORDS];
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_sigregs __user *sregs;
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};
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#endif
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