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