1/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
2/*
3 * Copyright (C) 2012 Regents of the University of California
4 */
5
6#ifndef _UAPI_ASM_RISCV_PTRACE_H
7#define _UAPI_ASM_RISCV_PTRACE_H
8
9#ifndef __ASSEMBLY__
10
11#include <linux/types.h>
12
13/*
14 * User-mode register state for core dumps, ptrace, sigcontext
15 *
16 * This decouples struct pt_regs from the userspace ABI.
17 * struct user_regs_struct must form a prefix of struct pt_regs.
18 */
19struct user_regs_struct {
20	unsigned long pc;
21	unsigned long ra;
22	unsigned long sp;
23	unsigned long gp;
24	unsigned long tp;
25	unsigned long t0;
26	unsigned long t1;
27	unsigned long t2;
28	unsigned long s0;
29	unsigned long s1;
30	unsigned long a0;
31	unsigned long a1;
32	unsigned long a2;
33	unsigned long a3;
34	unsigned long a4;
35	unsigned long a5;
36	unsigned long a6;
37	unsigned long a7;
38	unsigned long s2;
39	unsigned long s3;
40	unsigned long s4;
41	unsigned long s5;
42	unsigned long s6;
43	unsigned long s7;
44	unsigned long s8;
45	unsigned long s9;
46	unsigned long s10;
47	unsigned long s11;
48	unsigned long t3;
49	unsigned long t4;
50	unsigned long t5;
51	unsigned long t6;
52};
53
54struct __riscv_f_ext_state {
55	__u32 f[32];
56	__u32 fcsr;
57};
58
59struct __riscv_d_ext_state {
60	__u64 f[32];
61	__u32 fcsr;
62};
63
64struct __riscv_q_ext_state {
65	__u64 f[64] __attribute__((aligned(16)));
66	__u32 fcsr;
67	/*
68	 * Reserved for expansion of sigcontext structure.  Currently zeroed
69	 * upon signal, and must be zero upon sigreturn.
70	 */
71	__u32 reserved[3];
72};
73
74union __riscv_fp_state {
75	struct __riscv_f_ext_state f;
76	struct __riscv_d_ext_state d;
77	struct __riscv_q_ext_state q;
78};
79
80#endif /* __ASSEMBLY__ */
81
82#endif /* _UAPI_ASM_RISCV_PTRACE_H */
83