ucontext.h (3341B) - Raw
1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $NetBSD: signal.h,v 1.4 1998/09/14 02:48:34 thorpej Exp $ 34 */ 35 36 #ifndef _MACHINE_UCONTEXT_H_ 37 #define _MACHINE_UCONTEXT_H_ 38 39 typedef struct __mcontext { 40 int mc_vers; 41 int mc_flags; 42 #define _MC_FP_VALID 0x01 43 #define _MC_AV_VALID 0x02 44 int mc_onstack; /* saved onstack flag */ 45 int mc_len; /* sizeof(__mcontext) */ 46 __uint64_t mc_avec[32*2]; /* vector register file */ 47 __uint32_t mc_av[2]; 48 __register_t mc_frame[42]; 49 __uint64_t mc_fpreg[33]; 50 __uint64_t mc_vsxfpreg[32]; /* low-order half of VSR0-31 */ 51 } mcontext_t __aligned(16); 52 53 #if defined(_KERNEL) && defined(__powerpc64__) 54 typedef struct __mcontext32 { 55 int mc_vers; 56 int mc_flags; 57 #define _MC_FP_VALID 0x01 58 #define _MC_AV_VALID 0x02 59 int mc_onstack; /* saved onstack flag */ 60 int mc_len; /* sizeof(__mcontext) */ 61 uint64_t mc_avec[32*2]; /* vector register file */ 62 uint32_t mc_av[2]; 63 uint32_t mc_frame[42]; 64 uint64_t mc_fpreg[33]; 65 uint64_t mc_vsxfpreg[32]; /* low-order half of VSR0-31 */ 66 } mcontext32_t __aligned(16); 67 #endif 68 69 /* GPRs and supervisor-level regs */ 70 #define mc_gpr mc_frame 71 #define mc_lr mc_frame[32] 72 #define mc_cr mc_frame[33] 73 #define mc_xer mc_frame[34] 74 #define mc_ctr mc_frame[35] 75 #define mc_srr0 mc_frame[36] 76 #define mc_srr1 mc_frame[37] 77 #define mc_exc mc_frame[38] 78 #define mc_dar mc_frame[39] 79 #define mc_dsisr mc_frame[40] 80 81 /* floating-point state */ 82 #define mc_fpscr mc_fpreg[32] 83 84 /* altivec state */ 85 #define mc_vscr mc_av[0] 86 #define mc_vrsave mc_av[1] 87 88 #define _MC_VERSION 0x1 89 #define _MC_VERSION_KSE 0xee /* partial ucontext for libpthread */ 90 91 #endif /* !_MACHINE_UCONTEXT_H_ */