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- /*
- * 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];
- };
- #endif /* _UAPI__ASM_SIGCONTEXT_H */
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