1 /* 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  */
120 struct 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 */
165