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 28 #ifndef _ARM64_LINUX_SIGFRAME_H_ 29 #define _ARM64_LINUX_SIGFRAME_H_ 30 31 struct _l_aarch64_ctx { 32 uint32_t magic; 33 uint32_t size; 34 }; 35 36 #define L_FPSIMD_MAGIC 0x46508001 37 #define L_ESR_MAGIC 0x45535201 38 39 struct l_fpsimd_context { 40 struct _l_aarch64_ctx head; 41 uint32_t fpsr; 42 uint32_t fpcr; 43 __uint128_t vregs[32]; 44 }; 45 46 struct l_esr_context { 47 struct _l_aarch64_ctx head; 48 uint64_t esr; 49 }; 50 51 struct l_sigcontext { 52 uint64_t fault_address; 53 uint64_t regs[31]; 54 uint64_t sp; 55 uint64_t pc; 56 uint64_t pstate; 57 uint8_t __reserved[4096] __attribute__((__aligned__(16))); 58 }; 59 60 struct l_ucontext { 61 unsigned long uc_flags; 62 struct l_ucontext *uc_link; 63 l_stack_t uc_stack; 64 l_sigset_t uc_sigmask; 65 uint8_t __glibc_hole[1024 / 8 - sizeof(l_sigset_t)]; 66 struct l_sigcontext uc_sc; 67 }; 68 69 struct l_rt_sigframe { 70 l_siginfo_t sf_si; 71 struct l_ucontext sf_uc; 72 } __attribute__((__aligned__(16))); 73 74 struct l_sigframe { 75 struct l_rt_sigframe sf; 76 /* frame_record */ 77 uint64_t fp; 78 uint64_t lr; 79 }; 80 81 #define LINUX_MINSIGSTKSZ roundup(sizeof(struct l_sigframe), 16) 82 83 #endif /* _ARM64_LINUX_SIGFRAME_H_ */ 84