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debb1f09 JB |
1 | /* Ravenscar PowerPC target support. |
2 | ||
213516ef | 3 | Copyright (C) 2011-2023 Free Software Foundation, Inc. |
debb1f09 JB |
4 | |
5 | This file is part of GDB. | |
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 as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "gdbcore.h" | |
22 | #include "regcache.h" | |
23 | #include "ppc-tdep.h" | |
24 | #include "inferior.h" | |
25 | #include "ravenscar-thread.h" | |
26 | #include "ppc-ravenscar-thread.h" | |
27 | ||
28 | #define NO_OFFSET -1 | |
29 | ||
30 | /* See ppc-tdep.h for register numbers. */ | |
31 | ||
32 | static const int powerpc_context_offsets[] = | |
33 | { | |
34 | /* R0 - R32 */ | |
35 | NO_OFFSET, 0, 4, NO_OFFSET, | |
36 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
37 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
38 | NO_OFFSET, 8, 12, 16, | |
39 | 20, 24, 28, 32, | |
40 | 36, 40, 44, 48, | |
41 | 52, 56, 60, 64, | |
42 | 68, 72, 76, 80, | |
43 | ||
44 | /* F0 - F31 */ | |
45 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
46 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
47 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
48 | NO_OFFSET, NO_OFFSET, 96, 104, | |
49 | 112, 120, 128, 136, | |
50 | 144, 152, 160, 168, | |
51 | 176, 184, 192, 200, | |
52 | 208, 216, 224, 232, | |
53 | ||
54 | /* PC, MSR, CR, LR */ | |
55 | 88, NO_OFFSET, 84, NO_OFFSET, | |
56 | ||
57 | /* CTR, XER, FPSCR */ | |
58 | NO_OFFSET, NO_OFFSET, 240 | |
59 | }; | |
60 | ||
61 | static const int e500_context_offsets[] = | |
62 | { | |
63 | /* R0 - R32 */ | |
64 | NO_OFFSET, 4, 12, NO_OFFSET, | |
65 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
66 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
67 | NO_OFFSET, 20, 28, 36, | |
68 | 44, 52, 60, 68, | |
69 | 76, 84, 92, 100, | |
70 | 108, 116, 124, 132, | |
71 | 140, 148, 156, 164, | |
72 | ||
73 | /* F0 - F31 */ | |
74 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
75 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
76 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
77 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
78 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
79 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
80 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
81 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
82 | ||
83 | /* PC, MSR, CR, LR */ | |
84 | 172, NO_OFFSET, 168, NO_OFFSET, | |
85 | ||
86 | /* CTR, XER, FPSCR, MQ */ | |
87 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
88 | ||
89 | /* Upper R0-R32. */ | |
90 | NO_OFFSET, 0, 8, NO_OFFSET, | |
91 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
92 | NO_OFFSET, NO_OFFSET, NO_OFFSET, NO_OFFSET, | |
93 | NO_OFFSET, 16, 24, 32, | |
94 | 40, 48, 56, 64, | |
95 | 72, 80, 88, 96, | |
96 | 104, 112, 120, 128, | |
97 | 136, 144, 152, 160, | |
98 | ||
99 | /* ACC, FSCR */ | |
100 | NO_OFFSET, 176 | |
101 | }; | |
102 | ||
debb1f09 JB |
103 | /* The ravenscar_arch_ops vector for most PowerPC targets. */ |
104 | ||
e73434e3 TT |
105 | static struct ravenscar_arch_ops ppc_ravenscar_powerpc_ops |
106 | (powerpc_context_offsets); | |
debb1f09 JB |
107 | |
108 | /* Register ppc_ravenscar_powerpc_ops in GDBARCH. */ | |
109 | ||
110 | void | |
111 | register_ppc_ravenscar_ops (struct gdbarch *gdbarch) | |
112 | { | |
113 | set_gdbarch_ravenscar_ops (gdbarch, &ppc_ravenscar_powerpc_ops); | |
114 | } | |
115 | ||
debb1f09 JB |
116 | /* The ravenscar_arch_ops vector for E500 targets. */ |
117 | ||
e73434e3 | 118 | static struct ravenscar_arch_ops ppc_ravenscar_e500_ops (e500_context_offsets); |
debb1f09 JB |
119 | |
120 | /* Register ppc_ravenscar_e500_ops in GDBARCH. */ | |
121 | ||
122 | void | |
123 | register_e500_ravenscar_ops (struct gdbarch *gdbarch) | |
124 | { | |
125 | set_gdbarch_ravenscar_ops (gdbarch, &ppc_ravenscar_e500_ops); | |
126 | } |