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Diffstat (limited to 'arch/arm64/include/asm/sigcontext.h')
-rw-r--r--arch/arm64/include/asm/sigcontext.h40
1 files changed, 1 insertions, 39 deletions
diff --git a/arch/arm64/include/asm/sigcontext.h b/arch/arm64/include/asm/sigcontext.h
index 573cec778819..dca1094acc74 100644
--- a/arch/arm64/include/asm/sigcontext.h
+++ b/arch/arm64/include/asm/sigcontext.h
@@ -16,45 +16,9 @@
16#ifndef __ASM_SIGCONTEXT_H 16#ifndef __ASM_SIGCONTEXT_H
17#define __ASM_SIGCONTEXT_H 17#define __ASM_SIGCONTEXT_H
18 18
19#include <linux/types.h> 19#include <uapi/asm/sigcontext.h>
20 20
21/* 21/*
22 * Signal context structure - contains all info to do with the state
23 * before the signal handler was invoked.
24 */
25struct sigcontext {
26 __u64 fault_address;
27 /* AArch64 registers */
28 __u64 regs[31];
29 __u64 sp;
30 __u64 pc;
31 __u64 pstate;
32 /* 4K reserved for FP/SIMD state and future expansion */
33 __u8 __reserved[4096] __attribute__((__aligned__(16)));
34};
35
36/*
37 * Header to be used at the beginning of structures extending the user
38 * context. Such structures must be placed after the rt_sigframe on the stack
39 * and be 16-byte aligned. The last structure must be a dummy one with the
40 * magic and size set to 0.
41 */
42struct _aarch64_ctx {
43 __u32 magic;
44 __u32 size;
45};
46
47#define FPSIMD_MAGIC 0x46508001
48
49struct fpsimd_context {
50 struct _aarch64_ctx head;
51 __u32 fpsr;
52 __u32 fpcr;
53 __uint128_t vregs[32];
54};
55
56#ifdef __KERNEL__
57/*
58 * Auxiliary context saved in the sigcontext.__reserved array. Not exported to 22 * Auxiliary context saved in the sigcontext.__reserved array. Not exported to
59 * user space as it will change with the addition of new context. User space 23 * user space as it will change with the addition of new context. User space
60 * should check the magic/size information. 24 * should check the magic/size information.
@@ -65,5 +29,3 @@ struct aux_context {
65 struct _aarch64_ctx end; 29 struct _aarch64_ctx end;
66}; 30};
67#endif 31#endif
68
69#endif