/* * Copyright (C) 2012 ARM Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _UAPI__ASM_SIGCONTEXT_H #define _UAPI__ASM_SIGCONTEXT_H #include <linux/types.h> /* * Signal context structure - contains all info to do with the state * before the signal handler was invoked. */ struct sigcontext { __u64 fault_address; /* AArch64 registers */ __u64 regs[31]; __u64 sp; __u64 pc; __u64 pstate; /* 4K reserved for FP/SIMD state and future expansion */ __u8 __reserved[4096] __attribute__((__aligned__(16))); }; /* * Header to be used at the beginning of structures extending the user * context. Such structures must be placed after the rt_sigframe on the stack * and be 16-byte aligned. The last structure must be a dummy one with the * magic and size set to 0. */ struct _aarch64_ctx { __u32 magic; __u32 size; }; #define FPSIMD_MAGIC 0x46508001 struct fpsimd_context { struct _aarch64_ctx head; __u32 fpsr; __u32 fpcr; __uint128_t vregs[32]; }; /* ESR_EL1 context */ #define ESR_MAGIC 0x45535201 struct esr_context { struct _aarch64_ctx head; __u64 esr; }; #endif /* _UAPI__ASM_SIGCONTEXT_H */