1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2012 Regents of the University of California
4 * Copyright (C) 2017 SiFive
5 */
6
7 #define GENERATING_ASM_OFFSETS
8
9 #include <linux/kbuild.h>
10 #include <linux/sched.h>
11 #include <asm/thread_info.h>
12 #include <asm/ptrace.h>
13
asm_offsets(void)14 void asm_offsets(void)
15 {
16 OFFSET(TASK_THREAD_RA, task_struct, thread.ra);
17 OFFSET(TASK_THREAD_SP, task_struct, thread.sp);
18 OFFSET(TASK_THREAD_S0, task_struct, thread.s[0]);
19 OFFSET(TASK_THREAD_S1, task_struct, thread.s[1]);
20 OFFSET(TASK_THREAD_S2, task_struct, thread.s[2]);
21 OFFSET(TASK_THREAD_S3, task_struct, thread.s[3]);
22 OFFSET(TASK_THREAD_S4, task_struct, thread.s[4]);
23 OFFSET(TASK_THREAD_S5, task_struct, thread.s[5]);
24 OFFSET(TASK_THREAD_S6, task_struct, thread.s[6]);
25 OFFSET(TASK_THREAD_S7, task_struct, thread.s[7]);
26 OFFSET(TASK_THREAD_S8, task_struct, thread.s[8]);
27 OFFSET(TASK_THREAD_S9, task_struct, thread.s[9]);
28 OFFSET(TASK_THREAD_S10, task_struct, thread.s[10]);
29 OFFSET(TASK_THREAD_S11, task_struct, thread.s[11]);
30 OFFSET(TASK_TI_FLAGS, task_struct, thread_info.flags);
31 OFFSET(TASK_TI_PREEMPT_COUNT, task_struct, thread_info.preempt_count);
32 OFFSET(TASK_TI_KERNEL_SP, task_struct, thread_info.kernel_sp);
33 OFFSET(TASK_TI_USER_SP, task_struct, thread_info.user_sp);
34 OFFSET(TASK_TI_CPU, task_struct, thread_info.cpu);
35
36 OFFSET(TASK_THREAD_F0, task_struct, thread.fstate.f[0]);
37 OFFSET(TASK_THREAD_F1, task_struct, thread.fstate.f[1]);
38 OFFSET(TASK_THREAD_F2, task_struct, thread.fstate.f[2]);
39 OFFSET(TASK_THREAD_F3, task_struct, thread.fstate.f[3]);
40 OFFSET(TASK_THREAD_F4, task_struct, thread.fstate.f[4]);
41 OFFSET(TASK_THREAD_F5, task_struct, thread.fstate.f[5]);
42 OFFSET(TASK_THREAD_F6, task_struct, thread.fstate.f[6]);
43 OFFSET(TASK_THREAD_F7, task_struct, thread.fstate.f[7]);
44 OFFSET(TASK_THREAD_F8, task_struct, thread.fstate.f[8]);
45 OFFSET(TASK_THREAD_F9, task_struct, thread.fstate.f[9]);
46 OFFSET(TASK_THREAD_F10, task_struct, thread.fstate.f[10]);
47 OFFSET(TASK_THREAD_F11, task_struct, thread.fstate.f[11]);
48 OFFSET(TASK_THREAD_F12, task_struct, thread.fstate.f[12]);
49 OFFSET(TASK_THREAD_F13, task_struct, thread.fstate.f[13]);
50 OFFSET(TASK_THREAD_F14, task_struct, thread.fstate.f[14]);
51 OFFSET(TASK_THREAD_F15, task_struct, thread.fstate.f[15]);
52 OFFSET(TASK_THREAD_F16, task_struct, thread.fstate.f[16]);
53 OFFSET(TASK_THREAD_F17, task_struct, thread.fstate.f[17]);
54 OFFSET(TASK_THREAD_F18, task_struct, thread.fstate.f[18]);
55 OFFSET(TASK_THREAD_F19, task_struct, thread.fstate.f[19]);
56 OFFSET(TASK_THREAD_F20, task_struct, thread.fstate.f[20]);
57 OFFSET(TASK_THREAD_F21, task_struct, thread.fstate.f[21]);
58 OFFSET(TASK_THREAD_F22, task_struct, thread.fstate.f[22]);
59 OFFSET(TASK_THREAD_F23, task_struct, thread.fstate.f[23]);
60 OFFSET(TASK_THREAD_F24, task_struct, thread.fstate.f[24]);
61 OFFSET(TASK_THREAD_F25, task_struct, thread.fstate.f[25]);
62 OFFSET(TASK_THREAD_F26, task_struct, thread.fstate.f[26]);
63 OFFSET(TASK_THREAD_F27, task_struct, thread.fstate.f[27]);
64 OFFSET(TASK_THREAD_F28, task_struct, thread.fstate.f[28]);
65 OFFSET(TASK_THREAD_F29, task_struct, thread.fstate.f[29]);
66 OFFSET(TASK_THREAD_F30, task_struct, thread.fstate.f[30]);
67 OFFSET(TASK_THREAD_F31, task_struct, thread.fstate.f[31]);
68 OFFSET(TASK_THREAD_FCSR, task_struct, thread.fstate.fcsr);
69
70 DEFINE(PT_SIZE, sizeof(struct pt_regs));
71 OFFSET(PT_EPC, pt_regs, epc);
72 OFFSET(PT_RA, pt_regs, ra);
73 OFFSET(PT_FP, pt_regs, s0);
74 OFFSET(PT_S0, pt_regs, s0);
75 OFFSET(PT_S1, pt_regs, s1);
76 OFFSET(PT_S2, pt_regs, s2);
77 OFFSET(PT_S3, pt_regs, s3);
78 OFFSET(PT_S4, pt_regs, s4);
79 OFFSET(PT_S5, pt_regs, s5);
80 OFFSET(PT_S6, pt_regs, s6);
81 OFFSET(PT_S7, pt_regs, s7);
82 OFFSET(PT_S8, pt_regs, s8);
83 OFFSET(PT_S9, pt_regs, s9);
84 OFFSET(PT_S10, pt_regs, s10);
85 OFFSET(PT_S11, pt_regs, s11);
86 OFFSET(PT_SP, pt_regs, sp);
87 OFFSET(PT_TP, pt_regs, tp);
88 OFFSET(PT_A0, pt_regs, a0);
89 OFFSET(PT_A1, pt_regs, a1);
90 OFFSET(PT_A2, pt_regs, a2);
91 OFFSET(PT_A3, pt_regs, a3);
92 OFFSET(PT_A4, pt_regs, a4);
93 OFFSET(PT_A5, pt_regs, a5);
94 OFFSET(PT_A6, pt_regs, a6);
95 OFFSET(PT_A7, pt_regs, a7);
96 OFFSET(PT_T0, pt_regs, t0);
97 OFFSET(PT_T1, pt_regs, t1);
98 OFFSET(PT_T2, pt_regs, t2);
99 OFFSET(PT_T3, pt_regs, t3);
100 OFFSET(PT_T4, pt_regs, t4);
101 OFFSET(PT_T5, pt_regs, t5);
102 OFFSET(PT_T6, pt_regs, t6);
103 OFFSET(PT_GP, pt_regs, gp);
104 OFFSET(PT_ORIG_A0, pt_regs, orig_a0);
105 OFFSET(PT_STATUS, pt_regs, status);
106 OFFSET(PT_BADADDR, pt_regs, badaddr);
107 OFFSET(PT_CAUSE, pt_regs, cause);
108
109 /*
110 * THREAD_{F,X}* might be larger than a S-type offset can handle, but
111 * these are used in performance-sensitive assembly so we can't resort
112 * to loading the long immediate every time.
113 */
114 DEFINE(TASK_THREAD_RA_RA,
115 offsetof(struct task_struct, thread.ra)
116 - offsetof(struct task_struct, thread.ra)
117 );
118 DEFINE(TASK_THREAD_SP_RA,
119 offsetof(struct task_struct, thread.sp)
120 - offsetof(struct task_struct, thread.ra)
121 );
122 DEFINE(TASK_THREAD_S0_RA,
123 offsetof(struct task_struct, thread.s[0])
124 - offsetof(struct task_struct, thread.ra)
125 );
126 DEFINE(TASK_THREAD_S1_RA,
127 offsetof(struct task_struct, thread.s[1])
128 - offsetof(struct task_struct, thread.ra)
129 );
130 DEFINE(TASK_THREAD_S2_RA,
131 offsetof(struct task_struct, thread.s[2])
132 - offsetof(struct task_struct, thread.ra)
133 );
134 DEFINE(TASK_THREAD_S3_RA,
135 offsetof(struct task_struct, thread.s[3])
136 - offsetof(struct task_struct, thread.ra)
137 );
138 DEFINE(TASK_THREAD_S4_RA,
139 offsetof(struct task_struct, thread.s[4])
140 - offsetof(struct task_struct, thread.ra)
141 );
142 DEFINE(TASK_THREAD_S5_RA,
143 offsetof(struct task_struct, thread.s[5])
144 - offsetof(struct task_struct, thread.ra)
145 );
146 DEFINE(TASK_THREAD_S6_RA,
147 offsetof(struct task_struct, thread.s[6])
148 - offsetof(struct task_struct, thread.ra)
149 );
150 DEFINE(TASK_THREAD_S7_RA,
151 offsetof(struct task_struct, thread.s[7])
152 - offsetof(struct task_struct, thread.ra)
153 );
154 DEFINE(TASK_THREAD_S8_RA,
155 offsetof(struct task_struct, thread.s[8])
156 - offsetof(struct task_struct, thread.ra)
157 );
158 DEFINE(TASK_THREAD_S9_RA,
159 offsetof(struct task_struct, thread.s[9])
160 - offsetof(struct task_struct, thread.ra)
161 );
162 DEFINE(TASK_THREAD_S10_RA,
163 offsetof(struct task_struct, thread.s[10])
164 - offsetof(struct task_struct, thread.ra)
165 );
166 DEFINE(TASK_THREAD_S11_RA,
167 offsetof(struct task_struct, thread.s[11])
168 - offsetof(struct task_struct, thread.ra)
169 );
170
171 DEFINE(TASK_THREAD_F0_F0,
172 offsetof(struct task_struct, thread.fstate.f[0])
173 - offsetof(struct task_struct, thread.fstate.f[0])
174 );
175 DEFINE(TASK_THREAD_F1_F0,
176 offsetof(struct task_struct, thread.fstate.f[1])
177 - offsetof(struct task_struct, thread.fstate.f[0])
178 );
179 DEFINE(TASK_THREAD_F2_F0,
180 offsetof(struct task_struct, thread.fstate.f[2])
181 - offsetof(struct task_struct, thread.fstate.f[0])
182 );
183 DEFINE(TASK_THREAD_F3_F0,
184 offsetof(struct task_struct, thread.fstate.f[3])
185 - offsetof(struct task_struct, thread.fstate.f[0])
186 );
187 DEFINE(TASK_THREAD_F4_F0,
188 offsetof(struct task_struct, thread.fstate.f[4])
189 - offsetof(struct task_struct, thread.fstate.f[0])
190 );
191 DEFINE(TASK_THREAD_F5_F0,
192 offsetof(struct task_struct, thread.fstate.f[5])
193 - offsetof(struct task_struct, thread.fstate.f[0])
194 );
195 DEFINE(TASK_THREAD_F6_F0,
196 offsetof(struct task_struct, thread.fstate.f[6])
197 - offsetof(struct task_struct, thread.fstate.f[0])
198 );
199 DEFINE(TASK_THREAD_F7_F0,
200 offsetof(struct task_struct, thread.fstate.f[7])
201 - offsetof(struct task_struct, thread.fstate.f[0])
202 );
203 DEFINE(TASK_THREAD_F8_F0,
204 offsetof(struct task_struct, thread.fstate.f[8])
205 - offsetof(struct task_struct, thread.fstate.f[0])
206 );
207 DEFINE(TASK_THREAD_F9_F0,
208 offsetof(struct task_struct, thread.fstate.f[9])
209 - offsetof(struct task_struct, thread.fstate.f[0])
210 );
211 DEFINE(TASK_THREAD_F10_F0,
212 offsetof(struct task_struct, thread.fstate.f[10])
213 - offsetof(struct task_struct, thread.fstate.f[0])
214 );
215 DEFINE(TASK_THREAD_F11_F0,
216 offsetof(struct task_struct, thread.fstate.f[11])
217 - offsetof(struct task_struct, thread.fstate.f[0])
218 );
219 DEFINE(TASK_THREAD_F12_F0,
220 offsetof(struct task_struct, thread.fstate.f[12])
221 - offsetof(struct task_struct, thread.fstate.f[0])
222 );
223 DEFINE(TASK_THREAD_F13_F0,
224 offsetof(struct task_struct, thread.fstate.f[13])
225 - offsetof(struct task_struct, thread.fstate.f[0])
226 );
227 DEFINE(TASK_THREAD_F14_F0,
228 offsetof(struct task_struct, thread.fstate.f[14])
229 - offsetof(struct task_struct, thread.fstate.f[0])
230 );
231 DEFINE(TASK_THREAD_F15_F0,
232 offsetof(struct task_struct, thread.fstate.f[15])
233 - offsetof(struct task_struct, thread.fstate.f[0])
234 );
235 DEFINE(TASK_THREAD_F16_F0,
236 offsetof(struct task_struct, thread.fstate.f[16])
237 - offsetof(struct task_struct, thread.fstate.f[0])
238 );
239 DEFINE(TASK_THREAD_F17_F0,
240 offsetof(struct task_struct, thread.fstate.f[17])
241 - offsetof(struct task_struct, thread.fstate.f[0])
242 );
243 DEFINE(TASK_THREAD_F18_F0,
244 offsetof(struct task_struct, thread.fstate.f[18])
245 - offsetof(struct task_struct, thread.fstate.f[0])
246 );
247 DEFINE(TASK_THREAD_F19_F0,
248 offsetof(struct task_struct, thread.fstate.f[19])
249 - offsetof(struct task_struct, thread.fstate.f[0])
250 );
251 DEFINE(TASK_THREAD_F20_F0,
252 offsetof(struct task_struct, thread.fstate.f[20])
253 - offsetof(struct task_struct, thread.fstate.f[0])
254 );
255 DEFINE(TASK_THREAD_F21_F0,
256 offsetof(struct task_struct, thread.fstate.f[21])
257 - offsetof(struct task_struct, thread.fstate.f[0])
258 );
259 DEFINE(TASK_THREAD_F22_F0,
260 offsetof(struct task_struct, thread.fstate.f[22])
261 - offsetof(struct task_struct, thread.fstate.f[0])
262 );
263 DEFINE(TASK_THREAD_F23_F0,
264 offsetof(struct task_struct, thread.fstate.f[23])
265 - offsetof(struct task_struct, thread.fstate.f[0])
266 );
267 DEFINE(TASK_THREAD_F24_F0,
268 offsetof(struct task_struct, thread.fstate.f[24])
269 - offsetof(struct task_struct, thread.fstate.f[0])
270 );
271 DEFINE(TASK_THREAD_F25_F0,
272 offsetof(struct task_struct, thread.fstate.f[25])
273 - offsetof(struct task_struct, thread.fstate.f[0])
274 );
275 DEFINE(TASK_THREAD_F26_F0,
276 offsetof(struct task_struct, thread.fstate.f[26])
277 - offsetof(struct task_struct, thread.fstate.f[0])
278 );
279 DEFINE(TASK_THREAD_F27_F0,
280 offsetof(struct task_struct, thread.fstate.f[27])
281 - offsetof(struct task_struct, thread.fstate.f[0])
282 );
283 DEFINE(TASK_THREAD_F28_F0,
284 offsetof(struct task_struct, thread.fstate.f[28])
285 - offsetof(struct task_struct, thread.fstate.f[0])
286 );
287 DEFINE(TASK_THREAD_F29_F0,
288 offsetof(struct task_struct, thread.fstate.f[29])
289 - offsetof(struct task_struct, thread.fstate.f[0])
290 );
291 DEFINE(TASK_THREAD_F30_F0,
292 offsetof(struct task_struct, thread.fstate.f[30])
293 - offsetof(struct task_struct, thread.fstate.f[0])
294 );
295 DEFINE(TASK_THREAD_F31_F0,
296 offsetof(struct task_struct, thread.fstate.f[31])
297 - offsetof(struct task_struct, thread.fstate.f[0])
298 );
299 DEFINE(TASK_THREAD_FCSR_F0,
300 offsetof(struct task_struct, thread.fstate.fcsr)
301 - offsetof(struct task_struct, thread.fstate.f[0])
302 );
303
304 /*
305 * We allocate a pt_regs on the stack when entering the kernel. This
306 * ensures the alignment is sane.
307 */
308 DEFINE(PT_SIZE_ON_STACK, ALIGN(sizeof(struct pt_regs), STACK_ALIGN));
309 }
310
