blob: 9b51110a084276a87075b2225aa205e2327e8729 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Copyright (C) 2004, 2006, 2009, 2010 Texas Instruments Incorporated
4 * Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
5 *
6 * Updated for 2.6.34: Mark Salter <msalter@redhat.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12#ifndef _UAPI_ASM_C6X_PTRACE_H
13#define _UAPI_ASM_C6X_PTRACE_H
14
15#define BKPT_OPCODE 0x56454314 /* illegal opcode */
16
17#ifdef _BIG_ENDIAN
18#define PT_LO(odd, even) odd
19#define PT_HI(odd, even) even
20#else
21#define PT_LO(odd, even) even
22#define PT_HI(odd, even) odd
23#endif
24
25#define PT_A4_ORG PT_LO(1, 0)
26#define PT_TSR PT_HI(1, 0)
27#define PT_ILC PT_LO(3, 2)
28#define PT_RILC PT_HI(3, 2)
29#define PT_CSR PT_LO(5, 4)
30#define PT_PC PT_HI(5, 4)
31#define PT_B16 PT_LO(7, 6)
32#define PT_B17 PT_HI(7, 6)
33#define PT_B18 PT_LO(9, 8)
34#define PT_B19 PT_HI(9, 8)
35#define PT_B20 PT_LO(11, 10)
36#define PT_B21 PT_HI(11, 10)
37#define PT_B22 PT_LO(13, 12)
38#define PT_B23 PT_HI(13, 12)
39#define PT_B24 PT_LO(15, 14)
40#define PT_B25 PT_HI(15, 14)
41#define PT_B26 PT_LO(17, 16)
42#define PT_B27 PT_HI(17, 16)
43#define PT_B28 PT_LO(19, 18)
44#define PT_B29 PT_HI(19, 18)
45#define PT_B30 PT_LO(21, 20)
46#define PT_B31 PT_HI(21, 20)
47#define PT_B0 PT_LO(23, 22)
48#define PT_B1 PT_HI(23, 22)
49#define PT_B2 PT_LO(25, 24)
50#define PT_B3 PT_HI(25, 24)
51#define PT_B4 PT_LO(27, 26)
52#define PT_B5 PT_HI(27, 26)
53#define PT_B6 PT_LO(29, 28)
54#define PT_B7 PT_HI(29, 28)
55#define PT_B8 PT_LO(31, 30)
56#define PT_B9 PT_HI(31, 30)
57#define PT_B10 PT_LO(33, 32)
58#define PT_B11 PT_HI(33, 32)
59#define PT_B12 PT_LO(35, 34)
60#define PT_B13 PT_HI(35, 34)
61#define PT_A16 PT_LO(37, 36)
62#define PT_A17 PT_HI(37, 36)
63#define PT_A18 PT_LO(39, 38)
64#define PT_A19 PT_HI(39, 38)
65#define PT_A20 PT_LO(41, 40)
66#define PT_A21 PT_HI(41, 40)
67#define PT_A22 PT_LO(43, 42)
68#define PT_A23 PT_HI(43, 42)
69#define PT_A24 PT_LO(45, 44)
70#define PT_A25 PT_HI(45, 44)
71#define PT_A26 PT_LO(47, 46)
72#define PT_A27 PT_HI(47, 46)
73#define PT_A28 PT_LO(49, 48)
74#define PT_A29 PT_HI(49, 48)
75#define PT_A30 PT_LO(51, 50)
76#define PT_A31 PT_HI(51, 50)
77#define PT_A0 PT_LO(53, 52)
78#define PT_A1 PT_HI(53, 52)
79#define PT_A2 PT_LO(55, 54)
80#define PT_A3 PT_HI(55, 54)
81#define PT_A4 PT_LO(57, 56)
82#define PT_A5 PT_HI(57, 56)
83#define PT_A6 PT_LO(59, 58)
84#define PT_A7 PT_HI(59, 58)
85#define PT_A8 PT_LO(61, 60)
86#define PT_A9 PT_HI(61, 60)
87#define PT_A10 PT_LO(63, 62)
88#define PT_A11 PT_HI(63, 62)
89#define PT_A12 PT_LO(65, 64)
90#define PT_A13 PT_HI(65, 64)
91#define PT_A14 PT_LO(67, 66)
92#define PT_A15 PT_HI(67, 66)
93#define PT_B14 PT_LO(69, 68)
94#define PT_B15 PT_HI(69, 68)
95
96#define NR_PTREGS 70
97
98#define PT_DP PT_B14 /* Data Segment Pointer (B14) */
99#define PT_SP PT_B15 /* Stack Pointer (B15) */
100
101#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */
102
103#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */
104#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */
105
106#ifndef __ASSEMBLY__
107
108#ifdef _BIG_ENDIAN
109#define REG_PAIR(odd, even) unsigned long odd; unsigned long even
110#else
111#define REG_PAIR(odd, even) unsigned long even; unsigned long odd
112#endif
113
114/*
115 * this struct defines the way the registers are stored on the
116 * stack during a system call. fields defined with REG_PAIR
117 * are saved and restored using double-word memory operations
118 * which means the word ordering of the pair depends on endianess.
119 */
120struct pt_regs {
121 REG_PAIR(tsr, orig_a4);
122 REG_PAIR(rilc, ilc);
123 REG_PAIR(pc, csr);
124
125 REG_PAIR(b17, b16);
126 REG_PAIR(b19, b18);
127 REG_PAIR(b21, b20);
128 REG_PAIR(b23, b22);
129 REG_PAIR(b25, b24);
130 REG_PAIR(b27, b26);
131 REG_PAIR(b29, b28);
132 REG_PAIR(b31, b30);
133
134 REG_PAIR(b1, b0);
135 REG_PAIR(b3, b2);
136 REG_PAIR(b5, b4);
137 REG_PAIR(b7, b6);
138 REG_PAIR(b9, b8);
139 REG_PAIR(b11, b10);
140 REG_PAIR(b13, b12);
141
142 REG_PAIR(a17, a16);
143 REG_PAIR(a19, a18);
144 REG_PAIR(a21, a20);
145 REG_PAIR(a23, a22);
146 REG_PAIR(a25, a24);
147 REG_PAIR(a27, a26);
148 REG_PAIR(a29, a28);
149 REG_PAIR(a31, a30);
150
151 REG_PAIR(a1, a0);
152 REG_PAIR(a3, a2);
153 REG_PAIR(a5, a4);
154 REG_PAIR(a7, a6);
155 REG_PAIR(a9, a8);
156 REG_PAIR(a11, a10);
157 REG_PAIR(a13, a12);
158
159 REG_PAIR(a15, a14);
160 REG_PAIR(sp, dp);
161};
162
163#endif /* __ASSEMBLY__ */
164#endif /* _UAPI_ASM_C6X_PTRACE_H */