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/* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
13#define FPR_BASE	32
14#define PC		64
15#define CAUSE		65
16#define BADVADDR	66
17#define MMHI		67
18#define MMLO		68
19#define FPC_CSR		69
20#define FPC_EIR		70
21#define DSP_BASE	71		/* 3 more hi / lo register pairs */
22#define DSP_CONTROL	77
23#define ACX		78
24
25#ifndef __KERNEL__
26/*
27 * This struct defines the way the registers are stored on the stack during a
28 * system call/exception. As usual the registers k0/k1 aren't being saved.
29 */
30struct pt_regs {
31	/* Saved main processor registers. */
32	unsigned long regs[32];
33
34	/* Saved special registers. */
35	unsigned long cp0_status;
36	unsigned long hi;
37	unsigned long lo;
38	unsigned long cp0_badvaddr;
39	unsigned long cp0_cause;
40	unsigned long cp0_epc;
41} __attribute__ ((aligned (8)));
42#endif /* __KERNEL__ */
43
44/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
45#define PTRACE_GETREGS		12
46#define PTRACE_SETREGS		13
47#define PTRACE_GETFPREGS		14
48#define PTRACE_SETFPREGS		15
49/* #define PTRACE_GETFPXREGS		18 */
50/* #define PTRACE_SETFPXREGS		19 */
51
52#define PTRACE_OLDSETOPTIONS	21
53
54#define PTRACE_GET_THREAD_AREA	25
55#define PTRACE_SET_THREAD_AREA	26
56
57/* Calls to trace a 64bit program from a 32bit program.	 */
58#define PTRACE_PEEKTEXT_3264	0xc0
59#define PTRACE_PEEKDATA_3264	0xc1
60#define PTRACE_POKETEXT_3264	0xc2
61#define PTRACE_POKEDATA_3264	0xc3
62#define PTRACE_GET_THREAD_AREA_3264	0xc4
63
64/* Read and write watchpoint registers.	 */
65enum pt_watch_style {
66	pt_watch_style_mips32,
67	pt_watch_style_mips64
68};
69struct mips32_watch_regs {
70	unsigned int watchlo[8];
71	/* Lower 16 bits of watchhi. */
72	unsigned short watchhi[8];
73	/* Valid mask and I R W bits.
74	 * bit 0 -- 1 if W bit is usable.
75	 * bit 1 -- 1 if R bit is usable.
76	 * bit 2 -- 1 if I bit is usable.
77	 * bits 3 - 11 -- Valid watchhi mask bits.
78	 */
79	unsigned short watch_masks[8];
80	/* The number of valid watch register pairs.  */
81	unsigned int num_valid;
82} __attribute__((aligned(8)));
83
84struct mips64_watch_regs {
85	unsigned long long watchlo[8];
86	unsigned short watchhi[8];
87	unsigned short watch_masks[8];
88	unsigned int num_valid;
89} __attribute__((aligned(8)));
90
91struct pt_watch_regs {
92	enum pt_watch_style style;
93	union {
94		struct mips32_watch_regs mips32;
95		struct mips64_watch_regs mips64;
96	};
97};
98
99#define PTRACE_GET_WATCH_REGS	0xd0
100#define PTRACE_SET_WATCH_REGS	0xd1
101
102
103#endif /* _UAPI_ASM_PTRACE_H */
104