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61730c53 DH |
1 | /* |
2 | * This file is subject to the terms and conditions of the GNU General Public | |
3 | * License. See the file "COPYING" in the main directory of this archive | |
4 | * for more details. | |
5 | * | |
6 | * Copyright (C) 1996, 1997, 1999 by Ralf Baechle | |
7 | * Copyright (C) 1999 Silicon Graphics, Inc. | |
8 | */ | |
9 | #ifndef _UAPI_ASM_SIGCONTEXT_H | |
10 | #define _UAPI_ASM_SIGCONTEXT_H | |
11 | ||
12 | #include <linux/types.h> | |
13 | #include <asm/sgidefs.h> | |
14 | ||
0d071fa3 PB |
15 | /* scalar FP context was used */ |
16 | #define USED_FP (1 << 0) | |
17 | ||
18 | /* the value of Status.FR when context was saved */ | |
19 | #define USED_FR1 (1 << 1) | |
20 | ||
21 | /* FR=1, but with odd singles in bits 63:32 of preceding even double */ | |
22 | #define USED_HYBRID_FPRS (1 << 2) | |
23 | ||
61730c53 DH |
24 | #if _MIPS_SIM == _MIPS_SIM_ABI32 |
25 | ||
26 | /* | |
27 | * Keep this struct definition in sync with the sigcontext fragment | |
5f7e6310 | 28 | * in arch/mips/kernel/asm-offsets.c |
61730c53 DH |
29 | */ |
30 | struct sigcontext { | |
31 | unsigned int sc_regmask; /* Unused */ | |
32 | unsigned int sc_status; /* Unused */ | |
33 | unsigned long long sc_pc; | |
34 | unsigned long long sc_regs[32]; | |
35 | unsigned long long sc_fpregs[32]; | |
36 | unsigned int sc_acx; /* Was sc_ownedfp */ | |
37 | unsigned int sc_fpc_csr; | |
38 | unsigned int sc_fpc_eir; /* Unused */ | |
39 | unsigned int sc_used_math; | |
40 | unsigned int sc_dsp; /* dsp status, was sc_ssflags */ | |
41 | unsigned long long sc_mdhi; | |
42 | unsigned long long sc_mdlo; | |
43 | unsigned long sc_hi1; /* Was sc_cause */ | |
44 | unsigned long sc_lo1; /* Was sc_badvaddr */ | |
45 | unsigned long sc_hi2; /* Was sc_sigset[4] */ | |
46 | unsigned long sc_lo2; | |
47 | unsigned long sc_hi3; | |
48 | unsigned long sc_lo3; | |
49 | }; | |
50 | ||
51 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ | |
52 | ||
53 | #if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 | |
54 | ||
55 | #include <linux/posix_types.h> | |
56 | /* | |
57 | * Keep this struct definition in sync with the sigcontext fragment | |
5f7e6310 | 58 | * in arch/mips/kernel/asm-offsets.c |
61730c53 DH |
59 | * |
60 | * Warning: this structure illdefined with sc_badvaddr being just an unsigned | |
61 | * int so it was changed to unsigned long in 2.6.0-test1. This may break | |
62 | * binary compatibility - no prisoners. | |
63 | * DSP ASE in 2.6.12-rc4. Turn sc_mdhi and sc_mdlo into an array of four | |
64 | * entries, add sc_dsp and sc_reserved for padding. No prisoners. | |
65 | */ | |
66 | struct sigcontext { | |
67 | __u64 sc_regs[32]; | |
68 | __u64 sc_fpregs[32]; | |
69 | __u64 sc_mdhi; | |
70 | __u64 sc_hi1; | |
71 | __u64 sc_hi2; | |
72 | __u64 sc_hi3; | |
73 | __u64 sc_mdlo; | |
74 | __u64 sc_lo1; | |
75 | __u64 sc_lo2; | |
76 | __u64 sc_lo3; | |
77 | __u64 sc_pc; | |
78 | __u32 sc_fpc_csr; | |
79 | __u32 sc_used_math; | |
80 | __u32 sc_dsp; | |
81 | __u32 sc_reserved; | |
82 | }; | |
83 | ||
84 | ||
85 | #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */ | |
86 | ||
87 | #endif /* _UAPI_ASM_SIGCONTEXT_H */ |