1 /*- 2 * Copyright (c) 1994-1996 Søren Schmidt 3 * Copyright (c) 2018 Turing Robotic Industries Inc. 4 * Copyright (c) 2022 Dmitry Chagin <dchagin@FreeBSD.org> 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #ifndef _ARM64_LINUX_SIGFRAME_H_ 31 #define _ARM64_LINUX_SIGFRAME_H_ 32 33 struct _l_aarch64_ctx { 34 uint32_t magic; 35 uint32_t size; 36 }; 37 38 #define L_FPSIMD_MAGIC 0x46508001 39 #define L_ESR_MAGIC 0x45535201 40 41 struct l_fpsimd_context { 42 struct _l_aarch64_ctx head; 43 uint32_t fpsr; 44 uint32_t fpcr; 45 __uint128_t vregs[32]; 46 }; 47 48 struct l_esr_context { 49 struct _l_aarch64_ctx head; 50 uint64_t esr; 51 }; 52 53 struct l_sigcontext { 54 uint64_t fault_address; 55 uint64_t regs[31]; 56 uint64_t sp; 57 uint64_t pc; 58 uint64_t pstate; 59 uint8_t __reserved[4096] __attribute__((__aligned__(16))); 60 }; 61 62 struct l_ucontext { 63 unsigned long uc_flags; 64 struct l_ucontext *uc_link; 65 l_stack_t uc_stack; 66 l_sigset_t uc_sigmask; 67 uint8_t __glibc_hole[1024 / 8 - sizeof(l_sigset_t)]; 68 struct l_sigcontext uc_sc; 69 }; 70 71 struct l_rt_sigframe { 72 l_siginfo_t sf_si; 73 struct l_ucontext sf_uc; 74 } __attribute__((__aligned__(16))); 75 76 struct l_sigframe { 77 struct l_rt_sigframe sf; 78 /* frame_record */ 79 uint64_t fp; 80 uint64_t lr; 81 ucontext_t uc; 82 }; 83 84 #define LINUX_MINSIGSTKSZ roundup(sizeof(struct l_sigframe), 16) 85 86 #endif /* _ARM64_LINUX_SIGFRAME_H_ */ 87