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1 /* GNU/Linux/IA64 specific low level interface, for the remote server for GDB.
2 Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2007
3 Free Software Foundation, Inc.
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 2 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, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
21
22 #include "server.h"
23 #include "linux-low.h"
24
25 #ifdef HAVE_SYS_REG_H
26 #include <sys/reg.h>
27 #endif
28
29 #define ia64_num_regs 462
30
31 #include <asm/ptrace_offsets.h>
32
33 static int ia64_regmap[] =
34 {
35 /* general registers */
36 -1, /* gr0 not available; i.e, it's always zero */
37 PT_R1,
38 PT_R2,
39 PT_R3,
40 PT_R4,
41 PT_R5,
42 PT_R6,
43 PT_R7,
44 PT_R8,
45 PT_R9,
46 PT_R10,
47 PT_R11,
48 PT_R12,
49 PT_R13,
50 PT_R14,
51 PT_R15,
52 PT_R16,
53 PT_R17,
54 PT_R18,
55 PT_R19,
56 PT_R20,
57 PT_R21,
58 PT_R22,
59 PT_R23,
60 PT_R24,
61 PT_R25,
62 PT_R26,
63 PT_R27,
64 PT_R28,
65 PT_R29,
66 PT_R30,
67 PT_R31,
68 /* gr32 through gr127 not directly available via the ptrace interface */
69 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
70 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
71 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
72 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
73 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
74 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
75 /* Floating point registers */
76 -1, -1, /* f0 and f1 not available (f0 is +0.0 and f1 is +1.0) */
77 PT_F2,
78 PT_F3,
79 PT_F4,
80 PT_F5,
81 PT_F6,
82 PT_F7,
83 PT_F8,
84 PT_F9,
85 PT_F10,
86 PT_F11,
87 PT_F12,
88 PT_F13,
89 PT_F14,
90 PT_F15,
91 PT_F16,
92 PT_F17,
93 PT_F18,
94 PT_F19,
95 PT_F20,
96 PT_F21,
97 PT_F22,
98 PT_F23,
99 PT_F24,
100 PT_F25,
101 PT_F26,
102 PT_F27,
103 PT_F28,
104 PT_F29,
105 PT_F30,
106 PT_F31,
107 PT_F32,
108 PT_F33,
109 PT_F34,
110 PT_F35,
111 PT_F36,
112 PT_F37,
113 PT_F38,
114 PT_F39,
115 PT_F40,
116 PT_F41,
117 PT_F42,
118 PT_F43,
119 PT_F44,
120 PT_F45,
121 PT_F46,
122 PT_F47,
123 PT_F48,
124 PT_F49,
125 PT_F50,
126 PT_F51,
127 PT_F52,
128 PT_F53,
129 PT_F54,
130 PT_F55,
131 PT_F56,
132 PT_F57,
133 PT_F58,
134 PT_F59,
135 PT_F60,
136 PT_F61,
137 PT_F62,
138 PT_F63,
139 PT_F64,
140 PT_F65,
141 PT_F66,
142 PT_F67,
143 PT_F68,
144 PT_F69,
145 PT_F70,
146 PT_F71,
147 PT_F72,
148 PT_F73,
149 PT_F74,
150 PT_F75,
151 PT_F76,
152 PT_F77,
153 PT_F78,
154 PT_F79,
155 PT_F80,
156 PT_F81,
157 PT_F82,
158 PT_F83,
159 PT_F84,
160 PT_F85,
161 PT_F86,
162 PT_F87,
163 PT_F88,
164 PT_F89,
165 PT_F90,
166 PT_F91,
167 PT_F92,
168 PT_F93,
169 PT_F94,
170 PT_F95,
171 PT_F96,
172 PT_F97,
173 PT_F98,
174 PT_F99,
175 PT_F100,
176 PT_F101,
177 PT_F102,
178 PT_F103,
179 PT_F104,
180 PT_F105,
181 PT_F106,
182 PT_F107,
183 PT_F108,
184 PT_F109,
185 PT_F110,
186 PT_F111,
187 PT_F112,
188 PT_F113,
189 PT_F114,
190 PT_F115,
191 PT_F116,
192 PT_F117,
193 PT_F118,
194 PT_F119,
195 PT_F120,
196 PT_F121,
197 PT_F122,
198 PT_F123,
199 PT_F124,
200 PT_F125,
201 PT_F126,
202 PT_F127,
203 /* predicate registers - we don't fetch these individually */
204 -1, -1, -1, -1, -1, -1, -1, -1,
205 -1, -1, -1, -1, -1, -1, -1, -1,
206 -1, -1, -1, -1, -1, -1, -1, -1,
207 -1, -1, -1, -1, -1, -1, -1, -1,
208 -1, -1, -1, -1, -1, -1, -1, -1,
209 -1, -1, -1, -1, -1, -1, -1, -1,
210 -1, -1, -1, -1, -1, -1, -1, -1,
211 -1, -1, -1, -1, -1, -1, -1, -1,
212 /* branch registers */
213 PT_B0,
214 PT_B1,
215 PT_B2,
216 PT_B3,
217 PT_B4,
218 PT_B5,
219 PT_B6,
220 PT_B7,
221 /* virtual frame pointer and virtual return address pointer */
222 -1, -1,
223 /* other registers */
224 PT_PR,
225 PT_CR_IIP, /* ip */
226 PT_CR_IPSR, /* psr */
227 PT_CFM, /* cfm */
228 /* kernel registers not visible via ptrace interface (?) */
229 -1, -1, -1, -1, -1, -1, -1, -1,
230 /* hole */
231 -1, -1, -1, -1, -1, -1, -1, -1,
232 PT_AR_RSC,
233 PT_AR_BSP,
234 PT_AR_BSPSTORE,
235 PT_AR_RNAT,
236 -1,
237 -1, /* Not available: FCR, IA32 floating control register */
238 -1, -1,
239 -1, /* Not available: EFLAG */
240 -1, /* Not available: CSD */
241 -1, /* Not available: SSD */
242 -1, /* Not available: CFLG */
243 -1, /* Not available: FSR */
244 -1, /* Not available: FIR */
245 -1, /* Not available: FDR */
246 -1,
247 PT_AR_CCV,
248 -1, -1, -1,
249 PT_AR_UNAT,
250 -1, -1, -1,
251 PT_AR_FPSR,
252 -1, -1, -1,
253 -1, /* Not available: ITC */
254 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
255 -1, -1, -1, -1, -1, -1, -1, -1, -1,
256 PT_AR_PFS,
257 PT_AR_LC,
258 -1, /* Not available: EC, the Epilog Count register */
259 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
260 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
261 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
262 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
263 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
264 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
265 -1,
266 };
267
268 static int
269 ia64_cannot_store_register (int regno)
270 {
271 return 0;
272 }
273
274 static int
275 ia64_cannot_fetch_register (int regno)
276 {
277 return 0;
278 }
279
280 struct linux_target_ops the_low_target = {
281 ia64_num_regs,
282 ia64_regmap,
283 ia64_cannot_fetch_register,
284 ia64_cannot_store_register,
285 };