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ptrace.h
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1 /*
2  * Copyright (C) 2004, 2006, 2009, 2010 Texas Instruments Incorporated
3  * Author: Aurelien Jacquiot ([email protected])
4  *
5  * Updated for 2.6.34: Mark Salter <[email protected]>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 #ifndef _UAPI_ASM_C6X_PTRACE_H
12 #define _UAPI_ASM_C6X_PTRACE_H
13 
14 #define BKPT_OPCODE 0x56454314 /* illegal opcode */
15 
16 #ifdef _BIG_ENDIAN
17 #define PT_LO(odd, even) odd
18 #define PT_HI(odd, even) even
19 #else
20 #define PT_LO(odd, even) even
21 #define PT_HI(odd, even) odd
22 #endif
23 
24 #define PT_A4_ORG PT_LO(1, 0)
25 #define PT_TSR PT_HI(1, 0)
26 #define PT_ILC PT_LO(3, 2)
27 #define PT_RILC PT_HI(3, 2)
28 #define PT_CSR PT_LO(5, 4)
29 #define PT_PC PT_HI(5, 4)
30 #define PT_B16 PT_LO(7, 6)
31 #define PT_B17 PT_HI(7, 6)
32 #define PT_B18 PT_LO(9, 8)
33 #define PT_B19 PT_HI(9, 8)
34 #define PT_B20 PT_LO(11, 10)
35 #define PT_B21 PT_HI(11, 10)
36 #define PT_B22 PT_LO(13, 12)
37 #define PT_B23 PT_HI(13, 12)
38 #define PT_B24 PT_LO(15, 14)
39 #define PT_B25 PT_HI(15, 14)
40 #define PT_B26 PT_LO(17, 16)
41 #define PT_B27 PT_HI(17, 16)
42 #define PT_B28 PT_LO(19, 18)
43 #define PT_B29 PT_HI(19, 18)
44 #define PT_B30 PT_LO(21, 20)
45 #define PT_B31 PT_HI(21, 20)
46 #define PT_B0 PT_LO(23, 22)
47 #define PT_B1 PT_HI(23, 22)
48 #define PT_B2 PT_LO(25, 24)
49 #define PT_B3 PT_HI(25, 24)
50 #define PT_B4 PT_LO(27, 26)
51 #define PT_B5 PT_HI(27, 26)
52 #define PT_B6 PT_LO(29, 28)
53 #define PT_B7 PT_HI(29, 28)
54 #define PT_B8 PT_LO(31, 30)
55 #define PT_B9 PT_HI(31, 30)
56 #define PT_B10 PT_LO(33, 32)
57 #define PT_B11 PT_HI(33, 32)
58 #define PT_B12 PT_LO(35, 34)
59 #define PT_B13 PT_HI(35, 34)
60 #define PT_A16 PT_LO(37, 36)
61 #define PT_A17 PT_HI(37, 36)
62 #define PT_A18 PT_LO(39, 38)
63 #define PT_A19 PT_HI(39, 38)
64 #define PT_A20 PT_LO(41, 40)
65 #define PT_A21 PT_HI(41, 40)
66 #define PT_A22 PT_LO(43, 42)
67 #define PT_A23 PT_HI(43, 42)
68 #define PT_A24 PT_LO(45, 44)
69 #define PT_A25 PT_HI(45, 44)
70 #define PT_A26 PT_LO(47, 46)
71 #define PT_A27 PT_HI(47, 46)
72 #define PT_A28 PT_LO(49, 48)
73 #define PT_A29 PT_HI(49, 48)
74 #define PT_A30 PT_LO(51, 50)
75 #define PT_A31 PT_HI(51, 50)
76 #define PT_A0 PT_LO(53, 52)
77 #define PT_A1 PT_HI(53, 52)
78 #define PT_A2 PT_LO(55, 54)
79 #define PT_A3 PT_HI(55, 54)
80 #define PT_A4 PT_LO(57, 56)
81 #define PT_A5 PT_HI(57, 56)
82 #define PT_A6 PT_LO(59, 58)
83 #define PT_A7 PT_HI(59, 58)
84 #define PT_A8 PT_LO(61, 60)
85 #define PT_A9 PT_HI(61, 60)
86 #define PT_A10 PT_LO(63, 62)
87 #define PT_A11 PT_HI(63, 62)
88 #define PT_A12 PT_LO(65, 64)
89 #define PT_A13 PT_HI(65, 64)
90 #define PT_A14 PT_LO(67, 66)
91 #define PT_A15 PT_HI(67, 66)
92 #define PT_B14 PT_LO(69, 68)
93 #define PT_B15 PT_HI(69, 68)
94 
95 #define NR_PTREGS 70
96 
97 #define PT_DP PT_B14 /* Data Segment Pointer (B14) */
98 #define PT_SP PT_B15 /* Stack Pointer (B15) */
99 
100 #define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */
101 
102 #define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */
103 #define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */
104 
105 #ifndef __ASSEMBLY__
106 
107 #ifdef _BIG_ENDIAN
108 #define REG_PAIR(odd, even) unsigned long odd; unsigned long even
109 #else
110 #define REG_PAIR(odd, even) unsigned long even; unsigned long odd
111 #endif
112 
113 /*
114  * this struct defines the way the registers are stored on the
115  * stack during a system call. fields defined with REG_PAIR
116  * are saved and restored using double-word memory operations
117  * which means the word ordering of the pair depends on endianess.
118  */
119 struct pt_regs {
120  REG_PAIR(tsr, orig_a4);
121  REG_PAIR(rilc, ilc);
122  REG_PAIR(pc, csr);
123 
124  REG_PAIR(b17, b16);
125  REG_PAIR(b19, b18);
126  REG_PAIR(b21, b20);
127  REG_PAIR(b23, b22);
128  REG_PAIR(b25, b24);
129  REG_PAIR(b27, b26);
130  REG_PAIR(b29, b28);
131  REG_PAIR(b31, b30);
132 
133  REG_PAIR(b1, b0);
134  REG_PAIR(b3, b2);
135  REG_PAIR(b5, b4);
136  REG_PAIR(b7, b6);
137  REG_PAIR(b9, b8);
138  REG_PAIR(b11, b10);
139  REG_PAIR(b13, b12);
140 
141  REG_PAIR(a17, a16);
142  REG_PAIR(a19, a18);
143  REG_PAIR(a21, a20);
144  REG_PAIR(a23, a22);
145  REG_PAIR(a25, a24);
146  REG_PAIR(a27, a26);
147  REG_PAIR(a29, a28);
148  REG_PAIR(a31, a30);
149 
150  REG_PAIR(a1, a0);
151  REG_PAIR(a3, a2);
152  REG_PAIR(a5, a4);
153  REG_PAIR(a7, a6);
154  REG_PAIR(a9, a8);
155  REG_PAIR(a11, a10);
156  REG_PAIR(a13, a12);
157 
158  REG_PAIR(a15, a14);
159  REG_PAIR(sp, dp);
160 };
161 
162 #endif /* __ASSEMBLY__ */
163 #endif /* _UAPI_ASM_C6X_PTRACE_H */