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1da177e4 LT |
1 | /* |
2 | * include/asm-s390/sigcontext.h | |
3 | * | |
4 | * S390 version | |
5 | * Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation | |
6 | */ | |
7 | ||
8 | #ifndef _ASM_S390_SIGCONTEXT_H | |
9 | #define _ASM_S390_SIGCONTEXT_H | |
10 | ||
6410dd5e MS |
11 | #include <linux/compiler.h> |
12 | ||
1da177e4 LT |
13 | #define __NUM_GPRS 16 |
14 | #define __NUM_FPRS 16 | |
15 | #define __NUM_ACRS 16 | |
16 | ||
17 | #ifndef __s390x__ | |
18 | ||
19 | /* Has to be at least _NSIG_WORDS from asm/signal.h */ | |
20 | #define _SIGCONTEXT_NSIG 64 | |
21 | #define _SIGCONTEXT_NSIG_BPW 32 | |
22 | /* Size of stack frame allocated when calling signal handler. */ | |
23 | #define __SIGNAL_FRAMESIZE 96 | |
24 | ||
25 | #else /* __s390x__ */ | |
26 | ||
27 | /* Has to be at least _NSIG_WORDS from asm/signal.h */ | |
28 | #define _SIGCONTEXT_NSIG 64 | |
29 | #define _SIGCONTEXT_NSIG_BPW 64 | |
30 | /* Size of stack frame allocated when calling signal handler. */ | |
31 | #define __SIGNAL_FRAMESIZE 160 | |
32 | ||
33 | #endif /* __s390x__ */ | |
34 | ||
35 | #define _SIGCONTEXT_NSIG_WORDS (_SIGCONTEXT_NSIG / _SIGCONTEXT_NSIG_BPW) | |
36 | #define _SIGMASK_COPY_SIZE (sizeof(unsigned long)*_SIGCONTEXT_NSIG_WORDS) | |
37 | ||
38 | typedef struct | |
39 | { | |
40 | unsigned long mask; | |
41 | unsigned long addr; | |
42 | } __attribute__ ((aligned(8))) _psw_t; | |
43 | ||
44 | typedef struct | |
45 | { | |
46 | _psw_t psw; | |
47 | unsigned long gprs[__NUM_GPRS]; | |
48 | unsigned int acrs[__NUM_ACRS]; | |
49 | } _s390_regs_common; | |
50 | ||
51 | typedef struct | |
52 | { | |
53 | unsigned int fpc; | |
54 | double fprs[__NUM_FPRS]; | |
55 | } _s390_fp_regs; | |
56 | ||
57 | typedef struct | |
58 | { | |
59 | _s390_regs_common regs; | |
60 | _s390_fp_regs fpregs; | |
61 | } _sigregs; | |
62 | ||
63 | struct sigcontext | |
64 | { | |
65 | unsigned long oldmask[_SIGCONTEXT_NSIG_WORDS]; | |
c2814476 | 66 | _sigregs __user *sregs; |
1da177e4 LT |
67 | }; |
68 | ||
69 | ||
70 | #endif | |
71 |