Linux kernel mirror (for testing)
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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
11#define __NUM_GPRS 16
12#define __NUM_FPRS 16
13#define __NUM_ACRS 16
14
15#ifndef __s390x__
16
17/* Has to be at least _NSIG_WORDS from asm/signal.h */
18#define _SIGCONTEXT_NSIG 64
19#define _SIGCONTEXT_NSIG_BPW 32
20/* Size of stack frame allocated when calling signal handler. */
21#define __SIGNAL_FRAMESIZE 96
22
23#else /* __s390x__ */
24
25/* Has to be at least _NSIG_WORDS from asm/signal.h */
26#define _SIGCONTEXT_NSIG 64
27#define _SIGCONTEXT_NSIG_BPW 64
28/* Size of stack frame allocated when calling signal handler. */
29#define __SIGNAL_FRAMESIZE 160
30
31#endif /* __s390x__ */
32
33#define _SIGCONTEXT_NSIG_WORDS (_SIGCONTEXT_NSIG / _SIGCONTEXT_NSIG_BPW)
34#define _SIGMASK_COPY_SIZE (sizeof(unsigned long)*_SIGCONTEXT_NSIG_WORDS)
35
36typedef struct
37{
38 unsigned long mask;
39 unsigned long addr;
40} __attribute__ ((aligned(8))) _psw_t;
41
42typedef struct
43{
44 _psw_t psw;
45 unsigned long gprs[__NUM_GPRS];
46 unsigned int acrs[__NUM_ACRS];
47} _s390_regs_common;
48
49typedef struct
50{
51 unsigned int fpc;
52 unsigned int pad;
53 double fprs[__NUM_FPRS];
54} _s390_fp_regs;
55
56typedef struct
57{
58 _s390_regs_common regs;
59 _s390_fp_regs fpregs;
60} _sigregs;
61
62struct sigcontext
63{
64 unsigned long oldmask[_SIGCONTEXT_NSIG_WORDS];
65 _sigregs __user *sregs;
66};
67
68
69#endif
70