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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__
33 struct user_pt_regs {
34 #else
35 struct 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.	 */
70 enum pt_watch_style {
71 	pt_watch_style_mips32,
72 	pt_watch_style_mips64
73 };
74 struct 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 
89 struct 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 
96 struct 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