1 /*- 2 * Copyright (c) 2014 Andrew Turner 3 * Copyright (c) 2014-2015 The FreeBSD Foundation 4 * All rights reserved. 5 * 6 * This software was developed by Andrew Turner under 7 * sponsorship from the FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #ifndef _MACHINE_UCONTEXT_H_ 34 #define _MACHINE_UCONTEXT_H_ 35 36 struct gpregs { 37 __register_t gp_x[30]; 38 __register_t gp_lr; 39 __register_t gp_sp; 40 __register_t gp_elr; 41 __uint64_t gp_spsr; 42 }; 43 44 struct fpregs { 45 __uint128_t fp_q[32]; 46 __uint32_t fp_sr; 47 __uint32_t fp_cr; 48 int fp_flags; 49 int fp_pad; 50 }; 51 52 struct __mcontext { 53 struct gpregs mc_gpregs; 54 struct fpregs mc_fpregs; 55 int mc_flags; 56 #define _MC_FP_VALID 0x1 /* Set when mc_fpregs has valid data */ 57 int mc_pad; /* Padding */ 58 __uint64_t mc_spare[8]; /* Space for expansion, set to zero */ 59 }; 60 61 typedef struct __mcontext mcontext_t; 62 63 #ifdef COMPAT_FREEBSD32 64 #include <compat/freebsd32/freebsd32_signal.h> 65 typedef struct __mcontext32 { 66 uint32_t mc_gregset[17]; 67 uint32_t mc_vfp_size; 68 uint32_t mc_vfp_ptr; 69 uint32_t mc_spare[33]; 70 } mcontext32_t; 71 72 typedef struct __ucontext32 { 73 sigset_t uc_sigmask; 74 mcontext32_t uc_mcontext; 75 u_int32_t uc_link; 76 struct sigaltstack32 uc_stack; 77 u_int32_t uc_flags; 78 u_int32_t __spare__[4]; 79 } ucontext32_t; 80 81 typedef struct __mcontext32_vfp { 82 __uint64_t mcv_reg[32]; 83 __uint32_t mcv_fpscr; 84 } mcontext32_vfp_t; 85 86 #endif /* COMPAT_FREEBSD32 */ 87 88 #endif /* !_MACHINE_UCONTEXT_H_ */ 89