1/*
2 *  Copyright (C) 2004, 2006, 2009, 2010 Texas Instruments Incorporated
3 *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
4 *
5 *  Updated for 2.6.34: Mark Salter <msalter@redhat.com>
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 */
119struct 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 */
164