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  */
19 struct 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 
54 struct __riscv_f_ext_state {
55 	__u32 f[32];
56 	__u32 fcsr;
57 };
58 
59 struct __riscv_d_ext_state {
60 	__u64 f[32];
61 	__u32 fcsr;
62 };
63 
64 struct __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 
74 union __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