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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 | ||
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 | ||
36 | typedef struct | |
37 | { | |
38 | unsigned long mask; | |
39 | unsigned long addr; | |
40 | } __attribute__ ((aligned(8))) _psw_t; | |
41 | ||
42 | typedef struct | |
43 | { | |
44 | _psw_t psw; | |
45 | unsigned long gprs[__NUM_GPRS]; | |
46 | unsigned int acrs[__NUM_ACRS]; | |
47 | } _s390_regs_common; | |
48 | ||
49 | typedef struct | |
50 | { | |
51 | unsigned int fpc; | |
52 | double fprs[__NUM_FPRS]; | |
53 | } _s390_fp_regs; | |
54 | ||
55 | typedef struct | |
56 | { | |
57 | _s390_regs_common regs; | |
58 | _s390_fp_regs fpregs; | |
59 | } _sigregs; | |
60 | ||
61 | struct sigcontext | |
62 | { | |
63 | unsigned long oldmask[_SIGCONTEXT_NSIG_WORDS]; | |
64 | _sigregs *sregs; | |
65 | }; | |
66 | ||
67 | ||
68 | #endif | |
69 |