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 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 24 /* extended context was used, see struct extcontext for details */ 25 #define USED_EXTCONTEXT (1 << 3) 26 27 #if _MIPS_SIM == _MIPS_SIM_ABI32 28 29 /* 30 * Keep this struct definition in sync with the sigcontext fragment 31 * in arch/mips/kernel/asm-offsets.c 32 */ 33 struct sigcontext { 34 unsigned int sc_regmask; /* Unused */ 35 unsigned int sc_status; /* Unused */ 36 unsigned long long sc_pc; 37 unsigned long long sc_regs[32]; 38 unsigned long long sc_fpregs[32]; 39 unsigned int sc_acx; /* Was sc_ownedfp */ 40 unsigned int sc_fpc_csr; 41 unsigned int sc_fpc_eir; /* Unused */ 42 unsigned int sc_used_math; 43 unsigned int sc_dsp; /* dsp status, was sc_ssflags */ 44 unsigned long long sc_mdhi; 45 unsigned long long sc_mdlo; 46 unsigned long sc_hi1; /* Was sc_cause */ 47 unsigned long sc_lo1; /* Was sc_badvaddr */ 48 unsigned long sc_hi2; /* Was sc_sigset[4] */ 49 unsigned long sc_lo2; 50 unsigned long sc_hi3; 51 unsigned long sc_lo3; 52 }; 53 54 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ 55 56 #if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 57 58 #include <linux/posix_types.h> 59 /* 60 * Keep this struct definition in sync with the sigcontext fragment 61 * in arch/mips/kernel/asm-offsets.c 62 * 63 * Warning: this structure illdefined with sc_badvaddr being just an unsigned 64 * int so it was changed to unsigned long in 2.6.0-test1. This may break 65 * binary compatibility - no prisoners. 66 * DSP ASE in 2.6.12-rc4. Turn sc_mdhi and sc_mdlo into an array of four 67 * entries, add sc_dsp and sc_reserved for padding. No prisoners. 68 */ 69 struct sigcontext { 70 __u64 sc_regs[32]; 71 __u64 sc_fpregs[32]; 72 __u64 sc_mdhi; 73 __u64 sc_hi1; 74 __u64 sc_hi2; 75 __u64 sc_hi3; 76 __u64 sc_mdlo; 77 __u64 sc_lo1; 78 __u64 sc_lo2; 79 __u64 sc_lo3; 80 __u64 sc_pc; 81 __u32 sc_fpc_csr; 82 __u32 sc_used_math; 83 __u32 sc_dsp; 84 __u32 sc_reserved; 85 }; 86 87 88 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */ 89 90 #endif /* _UAPI_ASM_SIGCONTEXT_H */ 91