1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3 * This file is subject to the terms and conditions of the GNU General Public
4 * License. See the file "COPYING" in the main directory of this archive
5 * for more details.
6 *
7 * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
8 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
9 */
10 #ifndef _UAPI_ASM_PTRACE_H
11 #define _UAPI_ASM_PTRACE_H
12
13 #include <linux/types.h>
14
15 /* 0 - 31 are integer registers, 32 - 63 are fp registers. */
16 #define FPR_BASE 32
17 #define PC 64
18 #define CAUSE 65
19 #define BADVADDR 66
20 #define MMHI 67
21 #define MMLO 68
22 #define FPC_CSR 69
23 #define FPC_EIR 70
24 #define DSP_BASE 71 /* 3 more hi / lo register pairs */
25 #define DSP_CONTROL 77
26 #define ACX 78
27
28 /*
29 * This struct defines the registers as used by PTRACE_{GET,SET}REGS. The
30 * format is the same for both 32- and 64-bit processes. Registers for 32-bit
31 * processes are sign extended.
32 */
33 #ifdef __KERNEL__
34 struct user_pt_regs {
35 #else
36 struct pt_regs {
37 #endif
38 /* Saved main processor registers. */
39 __u64 regs[32];
40
41 /* Saved special registers. */
42 __u64 lo;
43 __u64 hi;
44 __u64 cp0_epc;
45 __u64 cp0_badvaddr;
46 __u64 cp0_status;
47 __u64 cp0_cause;
48 } __attribute__ ((aligned (8)));
49
50 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
51 #define PTRACE_GETREGS 12
52 #define PTRACE_SETREGS 13
53 #define PTRACE_GETFPREGS 14
54 #define PTRACE_SETFPREGS 15
55 /* #define PTRACE_GETFPXREGS 18 */
56 /* #define PTRACE_SETFPXREGS 19 */
57
58 #define PTRACE_OLDSETOPTIONS 21
59
60 #define PTRACE_GET_THREAD_AREA 25
61 #define PTRACE_SET_THREAD_AREA 26
62
63 /* Calls to trace a 64bit program from a 32bit program. */
64 #define PTRACE_PEEKTEXT_3264 0xc0
65 #define PTRACE_PEEKDATA_3264 0xc1
66 #define PTRACE_POKETEXT_3264 0xc2
67 #define PTRACE_POKEDATA_3264 0xc3
68 #define PTRACE_GET_THREAD_AREA_3264 0xc4
69
70 /* Read and write watchpoint registers. */
71 enum pt_watch_style {
72 pt_watch_style_mips32,
73 pt_watch_style_mips64
74 };
75 struct mips32_watch_regs {
76 unsigned int watchlo[8];
77 /* Lower 16 bits of watchhi. */
78 unsigned short watchhi[8];
79 /* Valid mask and I R W bits.
80 * bit 0 -- 1 if W bit is usable.
81 * bit 1 -- 1 if R bit is usable.
82 * bit 2 -- 1 if I bit is usable.
83 * bits 3 - 11 -- Valid watchhi mask bits.
84 */
85 unsigned short watch_masks[8];
86 /* The number of valid watch register pairs. */
87 unsigned int num_valid;
88 } __attribute__((aligned(8)));
89
90 struct mips64_watch_regs {
91 unsigned long long watchlo[8];
92 unsigned short watchhi[8];
93 unsigned short watch_masks[8];
94 unsigned int num_valid;
95 } __attribute__((aligned(8)));
96
97 struct pt_watch_regs {
98 enum pt_watch_style style;
99 union {
100 struct mips32_watch_regs mips32;
101 struct mips64_watch_regs mips64;
102 };
103 };
104
105 #define PTRACE_GET_WATCH_REGS 0xd0
106 #define PTRACE_SET_WATCH_REGS 0xd1
107
108
109 #endif /* _UAPI_ASM_PTRACE_H */