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