1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /*
3 * Author: Hanlu Li <lihanlu@loongson.cn>
4 * Huacai Chen <chenhuacai@loongson.cn>
5 *
6 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
7 */
8 #ifndef _UAPI_ASM_PTRACE_H
9 #define _UAPI_ASM_PTRACE_H
10
11 #include <linux/types.h>
12
13 #ifndef __KERNEL__
14 #include <stdint.h>
15 #endif
16
17 /*
18 * For PTRACE_{POKE,PEEK}USR. 0 - 31 are GPRs,
19 * 32 is syscall's original ARG0, 33 is PC, 34 is BADVADDR.
20 */
21 #define GPR_BASE 0
22 #define GPR_NUM 32
23 #define GPR_END (GPR_BASE + GPR_NUM - 1)
24 #define ARG0 (GPR_END + 1)
25 #define PC (GPR_END + 2)
26 #define BADVADDR (GPR_END + 3)
27
28 #define NUM_FPU_REGS 32
29
30 struct user_pt_regs {
31 /* Main processor registers. */
32 unsigned long regs[32];
33
34 /* Original syscall arg0. */
35 unsigned long orig_a0;
36
37 /* Special CSR registers. */
38 unsigned long csr_era;
39 unsigned long csr_badv;
40 unsigned long reserved[10];
41 } __attribute__((aligned(8)));
42
43 struct user_fp_state {
44 uint64_t fpr[32];
45 uint64_t fcc;
46 uint32_t fcsr;
47 };
48
49 struct user_lsx_state {
50 /* 32 registers, 128 bits width per register. */
51 uint64_t vregs[32*2];
52 };
53
54 struct user_lasx_state {
55 /* 32 registers, 256 bits width per register. */
56 uint64_t vregs[32*4];
57 };
58
59 struct user_lbt_state {
60 uint64_t scr[4];
61 uint32_t eflags;
62 uint32_t ftop;
63 };
64
65 struct user_watch_state {
66 uint64_t dbg_info;
67 struct {
68 uint64_t addr;
69 uint64_t mask;
70 uint32_t ctrl;
71 uint32_t pad;
72 } dbg_regs[8];
73 };
74
75 #define PTRACE_SYSEMU 0x1f
76 #define PTRACE_SYSEMU_SINGLESTEP 0x20
77
78 #endif /* _UAPI_ASM_PTRACE_H */
79
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