Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 | |