Linux kernel mirror (for testing)
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linux
1/*
2 * S390 version
3 * Copyright IBM Corp. 1999, 2000
4 */
5
6#ifndef _ASM_S390_SIGCONTEXT_H
7#define _ASM_S390_SIGCONTEXT_H
8
9#include <linux/compiler.h>
10#include <linux/types.h>
11
12#define __NUM_GPRS 16
13#define __NUM_FPRS 16
14#define __NUM_ACRS 16
15#define __NUM_VXRS 32
16#define __NUM_VXRS_LOW 16
17#define __NUM_VXRS_HIGH 16
18
19#ifndef __s390x__
20
21/* Has to be at least _NSIG_WORDS from asm/signal.h */
22#define _SIGCONTEXT_NSIG 64
23#define _SIGCONTEXT_NSIG_BPW 32
24/* Size of stack frame allocated when calling signal handler. */
25#define __SIGNAL_FRAMESIZE 96
26
27#else /* __s390x__ */
28
29/* Has to be at least _NSIG_WORDS from asm/signal.h */
30#define _SIGCONTEXT_NSIG 64
31#define _SIGCONTEXT_NSIG_BPW 64
32/* Size of stack frame allocated when calling signal handler. */
33#define __SIGNAL_FRAMESIZE 160
34
35#endif /* __s390x__ */
36
37#define _SIGCONTEXT_NSIG_WORDS (_SIGCONTEXT_NSIG / _SIGCONTEXT_NSIG_BPW)
38#define _SIGMASK_COPY_SIZE (sizeof(unsigned long)*_SIGCONTEXT_NSIG_WORDS)
39
40typedef struct
41{
42 unsigned long mask;
43 unsigned long addr;
44} __attribute__ ((aligned(8))) _psw_t;
45
46typedef struct
47{
48 _psw_t psw;
49 unsigned long gprs[__NUM_GPRS];
50 unsigned int acrs[__NUM_ACRS];
51} _s390_regs_common;
52
53typedef struct
54{
55 unsigned int fpc;
56 unsigned int pad;
57 double fprs[__NUM_FPRS];
58} _s390_fp_regs;
59
60typedef struct
61{
62 _s390_regs_common regs;
63 _s390_fp_regs fpregs;
64} _sigregs;
65
66typedef struct
67{
68#ifndef __s390x__
69 unsigned long gprs_high[__NUM_GPRS];
70#endif
71 unsigned long long vxrs_low[__NUM_VXRS_LOW];
72 __vector128 vxrs_high[__NUM_VXRS_HIGH];
73 unsigned char __reserved[128];
74} _sigregs_ext;
75
76struct sigcontext
77{
78 unsigned long oldmask[_SIGCONTEXT_NSIG_WORDS];
79 _sigregs __user *sregs;
80};
81
82
83#endif
84