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
6 * Copyright (C) 1996, 1997, 1999 by Ralf Baechle
7 * Copyright (C) 1999 Silicon Graphics, Inc.
9 #ifndef _UAPI_ASM_SIGCONTEXT_H
10 #define _UAPI_ASM_SIGCONTEXT_H
12 #include <linux/types.h>
13 #include <asm/sgidefs.h>
15 /* scalar FP context was used */
16 #define USED_FP (1 << 0)
18 /* the value of Status.FR when context was saved */
19 #define USED_FR1 (1 << 1)
21 /* FR=1, but with odd singles in bits 63:32 of preceding even double */
22 #define USED_HYBRID_FPRS (1 << 2)
24 #if _MIPS_SIM == _MIPS_SIM_ABI32
27 * Keep this struct definition in sync with the sigcontext fragment
28 * in arch/mips/kernel/asm-offsets.c
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] */
51 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
53 #if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
55 #include <linux/posix_types.h>
57 * Keep this struct definition in sync with the sigcontext fragment
58 * in arch/mips/kernel/asm-offsets.c
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.
85 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
87 #endif /* _UAPI_ASM_SIGCONTEXT_H */