blob: 42c69d5554e443effc34603a629c838d6adfb809 [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001// 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#include <linux/kbuild.h>
8#include <linux/sched.h>
9#include <asm/thread_info.h>
10#include <asm/ptrace.h>
11
12void asm_offsets(void)
13{
14 OFFSET(TASK_THREAD_RA, task_struct, thread.ra);
15 OFFSET(TASK_THREAD_SP, task_struct, thread.sp);
16 OFFSET(TASK_THREAD_S0, task_struct, thread.s[0]);
17 OFFSET(TASK_THREAD_S1, task_struct, thread.s[1]);
18 OFFSET(TASK_THREAD_S2, task_struct, thread.s[2]);
19 OFFSET(TASK_THREAD_S3, task_struct, thread.s[3]);
20 OFFSET(TASK_THREAD_S4, task_struct, thread.s[4]);
21 OFFSET(TASK_THREAD_S5, task_struct, thread.s[5]);
22 OFFSET(TASK_THREAD_S6, task_struct, thread.s[6]);
23 OFFSET(TASK_THREAD_S7, task_struct, thread.s[7]);
24 OFFSET(TASK_THREAD_S8, task_struct, thread.s[8]);
25 OFFSET(TASK_THREAD_S9, task_struct, thread.s[9]);
26 OFFSET(TASK_THREAD_S10, task_struct, thread.s[10]);
27 OFFSET(TASK_THREAD_S11, task_struct, thread.s[11]);
28 OFFSET(TASK_THREAD_SP, task_struct, thread.sp);
29 OFFSET(TASK_STACK, task_struct, stack);
30 OFFSET(TASK_TI, task_struct, thread_info);
31 OFFSET(TASK_TI_FLAGS, task_struct, thread_info.flags);
32 OFFSET(TASK_TI_PREEMPT_COUNT, task_struct, thread_info.preempt_count);
33 OFFSET(TASK_TI_KERNEL_SP, task_struct, thread_info.kernel_sp);
34 OFFSET(TASK_TI_USER_SP, task_struct, thread_info.user_sp);
35 OFFSET(TASK_TI_CPU, task_struct, thread_info.cpu);
36
37 OFFSET(TASK_THREAD_F0, task_struct, thread.fstate.f[0]);
38 OFFSET(TASK_THREAD_F1, task_struct, thread.fstate.f[1]);
39 OFFSET(TASK_THREAD_F2, task_struct, thread.fstate.f[2]);
40 OFFSET(TASK_THREAD_F3, task_struct, thread.fstate.f[3]);
41 OFFSET(TASK_THREAD_F4, task_struct, thread.fstate.f[4]);
42 OFFSET(TASK_THREAD_F5, task_struct, thread.fstate.f[5]);
43 OFFSET(TASK_THREAD_F6, task_struct, thread.fstate.f[6]);
44 OFFSET(TASK_THREAD_F7, task_struct, thread.fstate.f[7]);
45 OFFSET(TASK_THREAD_F8, task_struct, thread.fstate.f[8]);
46 OFFSET(TASK_THREAD_F9, task_struct, thread.fstate.f[9]);
47 OFFSET(TASK_THREAD_F10, task_struct, thread.fstate.f[10]);
48 OFFSET(TASK_THREAD_F11, task_struct, thread.fstate.f[11]);
49 OFFSET(TASK_THREAD_F12, task_struct, thread.fstate.f[12]);
50 OFFSET(TASK_THREAD_F13, task_struct, thread.fstate.f[13]);
51 OFFSET(TASK_THREAD_F14, task_struct, thread.fstate.f[14]);
52 OFFSET(TASK_THREAD_F15, task_struct, thread.fstate.f[15]);
53 OFFSET(TASK_THREAD_F16, task_struct, thread.fstate.f[16]);
54 OFFSET(TASK_THREAD_F17, task_struct, thread.fstate.f[17]);
55 OFFSET(TASK_THREAD_F18, task_struct, thread.fstate.f[18]);
56 OFFSET(TASK_THREAD_F19, task_struct, thread.fstate.f[19]);
57 OFFSET(TASK_THREAD_F20, task_struct, thread.fstate.f[20]);
58 OFFSET(TASK_THREAD_F21, task_struct, thread.fstate.f[21]);
59 OFFSET(TASK_THREAD_F22, task_struct, thread.fstate.f[22]);
60 OFFSET(TASK_THREAD_F23, task_struct, thread.fstate.f[23]);
61 OFFSET(TASK_THREAD_F24, task_struct, thread.fstate.f[24]);
62 OFFSET(TASK_THREAD_F25, task_struct, thread.fstate.f[25]);
63 OFFSET(TASK_THREAD_F26, task_struct, thread.fstate.f[26]);
64 OFFSET(TASK_THREAD_F27, task_struct, thread.fstate.f[27]);
65 OFFSET(TASK_THREAD_F28, task_struct, thread.fstate.f[28]);
66 OFFSET(TASK_THREAD_F29, task_struct, thread.fstate.f[29]);
67 OFFSET(TASK_THREAD_F30, task_struct, thread.fstate.f[30]);
68 OFFSET(TASK_THREAD_F31, task_struct, thread.fstate.f[31]);
69 OFFSET(TASK_THREAD_FCSR, task_struct, thread.fstate.fcsr);
70
71 DEFINE(PT_SIZE, sizeof(struct pt_regs));
72 OFFSET(PT_SEPC, pt_regs, sepc);
73 OFFSET(PT_RA, pt_regs, ra);
74 OFFSET(PT_FP, pt_regs, s0);
75 OFFSET(PT_S0, pt_regs, s0);
76 OFFSET(PT_S1, pt_regs, s1);
77 OFFSET(PT_S2, pt_regs, s2);
78 OFFSET(PT_S3, pt_regs, s3);
79 OFFSET(PT_S4, pt_regs, s4);
80 OFFSET(PT_S5, pt_regs, s5);
81 OFFSET(PT_S6, pt_regs, s6);
82 OFFSET(PT_S7, pt_regs, s7);
83 OFFSET(PT_S8, pt_regs, s8);
84 OFFSET(PT_S9, pt_regs, s9);
85 OFFSET(PT_S10, pt_regs, s10);
86 OFFSET(PT_S11, pt_regs, s11);
87 OFFSET(PT_SP, pt_regs, sp);
88 OFFSET(PT_TP, pt_regs, tp);
89 OFFSET(PT_A0, pt_regs, a0);
90 OFFSET(PT_A1, pt_regs, a1);
91 OFFSET(PT_A2, pt_regs, a2);
92 OFFSET(PT_A3, pt_regs, a3);
93 OFFSET(PT_A4, pt_regs, a4);
94 OFFSET(PT_A5, pt_regs, a5);
95 OFFSET(PT_A6, pt_regs, a6);
96 OFFSET(PT_A7, pt_regs, a7);
97 OFFSET(PT_T0, pt_regs, t0);
98 OFFSET(PT_T1, pt_regs, t1);
99 OFFSET(PT_T2, pt_regs, t2);
100 OFFSET(PT_T3, pt_regs, t3);
101 OFFSET(PT_T4, pt_regs, t4);
102 OFFSET(PT_T5, pt_regs, t5);
103 OFFSET(PT_T6, pt_regs, t6);
104 OFFSET(PT_GP, pt_regs, gp);
105 OFFSET(PT_ORIG_A0, pt_regs, orig_a0);
106 OFFSET(PT_SSTATUS, pt_regs, sstatus);
107 OFFSET(PT_SBADADDR, pt_regs, sbadaddr);
108 OFFSET(PT_SCAUSE, pt_regs, scause);
109
110 /*
111 * THREAD_{F,X}* might be larger than a S-type offset can handle, but
112 * these are used in performance-sensitive assembly so we can't resort
113 * to loading the long immediate every time.
114 */
115 DEFINE(TASK_THREAD_RA_RA,
116 offsetof(struct task_struct, thread.ra)
117 - offsetof(struct task_struct, thread.ra)
118 );
119 DEFINE(TASK_THREAD_SP_RA,
120 offsetof(struct task_struct, thread.sp)
121 - offsetof(struct task_struct, thread.ra)
122 );
123 DEFINE(TASK_THREAD_S0_RA,
124 offsetof(struct task_struct, thread.s[0])
125 - offsetof(struct task_struct, thread.ra)
126 );
127 DEFINE(TASK_THREAD_S1_RA,
128 offsetof(struct task_struct, thread.s[1])
129 - offsetof(struct task_struct, thread.ra)
130 );
131 DEFINE(TASK_THREAD_S2_RA,
132 offsetof(struct task_struct, thread.s[2])
133 - offsetof(struct task_struct, thread.ra)
134 );
135 DEFINE(TASK_THREAD_S3_RA,
136 offsetof(struct task_struct, thread.s[3])
137 - offsetof(struct task_struct, thread.ra)
138 );
139 DEFINE(TASK_THREAD_S4_RA,
140 offsetof(struct task_struct, thread.s[4])
141 - offsetof(struct task_struct, thread.ra)
142 );
143 DEFINE(TASK_THREAD_S5_RA,
144 offsetof(struct task_struct, thread.s[5])
145 - offsetof(struct task_struct, thread.ra)
146 );
147 DEFINE(TASK_THREAD_S6_RA,
148 offsetof(struct task_struct, thread.s[6])
149 - offsetof(struct task_struct, thread.ra)
150 );
151 DEFINE(TASK_THREAD_S7_RA,
152 offsetof(struct task_struct, thread.s[7])
153 - offsetof(struct task_struct, thread.ra)
154 );
155 DEFINE(TASK_THREAD_S8_RA,
156 offsetof(struct task_struct, thread.s[8])
157 - offsetof(struct task_struct, thread.ra)
158 );
159 DEFINE(TASK_THREAD_S9_RA,
160 offsetof(struct task_struct, thread.s[9])
161 - offsetof(struct task_struct, thread.ra)
162 );
163 DEFINE(TASK_THREAD_S10_RA,
164 offsetof(struct task_struct, thread.s[10])
165 - offsetof(struct task_struct, thread.ra)
166 );
167 DEFINE(TASK_THREAD_S11_RA,
168 offsetof(struct task_struct, thread.s[11])
169 - offsetof(struct task_struct, thread.ra)
170 );
171
172 DEFINE(TASK_THREAD_F0_F0,
173 offsetof(struct task_struct, thread.fstate.f[0])
174 - offsetof(struct task_struct, thread.fstate.f[0])
175 );
176 DEFINE(TASK_THREAD_F1_F0,
177 offsetof(struct task_struct, thread.fstate.f[1])
178 - offsetof(struct task_struct, thread.fstate.f[0])
179 );
180 DEFINE(TASK_THREAD_F2_F0,
181 offsetof(struct task_struct, thread.fstate.f[2])
182 - offsetof(struct task_struct, thread.fstate.f[0])
183 );
184 DEFINE(TASK_THREAD_F3_F0,
185 offsetof(struct task_struct, thread.fstate.f[3])
186 - offsetof(struct task_struct, thread.fstate.f[0])
187 );
188 DEFINE(TASK_THREAD_F4_F0,
189 offsetof(struct task_struct, thread.fstate.f[4])
190 - offsetof(struct task_struct, thread.fstate.f[0])
191 );
192 DEFINE(TASK_THREAD_F5_F0,
193 offsetof(struct task_struct, thread.fstate.f[5])
194 - offsetof(struct task_struct, thread.fstate.f[0])
195 );
196 DEFINE(TASK_THREAD_F6_F0,
197 offsetof(struct task_struct, thread.fstate.f[6])
198 - offsetof(struct task_struct, thread.fstate.f[0])
199 );
200 DEFINE(TASK_THREAD_F7_F0,
201 offsetof(struct task_struct, thread.fstate.f[7])
202 - offsetof(struct task_struct, thread.fstate.f[0])
203 );
204 DEFINE(TASK_THREAD_F8_F0,
205 offsetof(struct task_struct, thread.fstate.f[8])
206 - offsetof(struct task_struct, thread.fstate.f[0])
207 );
208 DEFINE(TASK_THREAD_F9_F0,
209 offsetof(struct task_struct, thread.fstate.f[9])
210 - offsetof(struct task_struct, thread.fstate.f[0])
211 );
212 DEFINE(TASK_THREAD_F10_F0,
213 offsetof(struct task_struct, thread.fstate.f[10])
214 - offsetof(struct task_struct, thread.fstate.f[0])
215 );
216 DEFINE(TASK_THREAD_F11_F0,
217 offsetof(struct task_struct, thread.fstate.f[11])
218 - offsetof(struct task_struct, thread.fstate.f[0])
219 );
220 DEFINE(TASK_THREAD_F12_F0,
221 offsetof(struct task_struct, thread.fstate.f[12])
222 - offsetof(struct task_struct, thread.fstate.f[0])
223 );
224 DEFINE(TASK_THREAD_F13_F0,
225 offsetof(struct task_struct, thread.fstate.f[13])
226 - offsetof(struct task_struct, thread.fstate.f[0])
227 );
228 DEFINE(TASK_THREAD_F14_F0,
229 offsetof(struct task_struct, thread.fstate.f[14])
230 - offsetof(struct task_struct, thread.fstate.f[0])
231 );
232 DEFINE(TASK_THREAD_F15_F0,
233 offsetof(struct task_struct, thread.fstate.f[15])
234 - offsetof(struct task_struct, thread.fstate.f[0])
235 );
236 DEFINE(TASK_THREAD_F16_F0,
237 offsetof(struct task_struct, thread.fstate.f[16])
238 - offsetof(struct task_struct, thread.fstate.f[0])
239 );
240 DEFINE(TASK_THREAD_F17_F0,
241 offsetof(struct task_struct, thread.fstate.f[17])
242 - offsetof(struct task_struct, thread.fstate.f[0])
243 );
244 DEFINE(TASK_THREAD_F18_F0,
245 offsetof(struct task_struct, thread.fstate.f[18])
246 - offsetof(struct task_struct, thread.fstate.f[0])
247 );
248 DEFINE(TASK_THREAD_F19_F0,
249 offsetof(struct task_struct, thread.fstate.f[19])
250 - offsetof(struct task_struct, thread.fstate.f[0])
251 );
252 DEFINE(TASK_THREAD_F20_F0,
253 offsetof(struct task_struct, thread.fstate.f[20])
254 - offsetof(struct task_struct, thread.fstate.f[0])
255 );
256 DEFINE(TASK_THREAD_F21_F0,
257 offsetof(struct task_struct, thread.fstate.f[21])
258 - offsetof(struct task_struct, thread.fstate.f[0])
259 );
260 DEFINE(TASK_THREAD_F22_F0,
261 offsetof(struct task_struct, thread.fstate.f[22])
262 - offsetof(struct task_struct, thread.fstate.f[0])
263 );
264 DEFINE(TASK_THREAD_F23_F0,
265 offsetof(struct task_struct, thread.fstate.f[23])
266 - offsetof(struct task_struct, thread.fstate.f[0])
267 );
268 DEFINE(TASK_THREAD_F24_F0,
269 offsetof(struct task_struct, thread.fstate.f[24])
270 - offsetof(struct task_struct, thread.fstate.f[0])
271 );
272 DEFINE(TASK_THREAD_F25_F0,
273 offsetof(struct task_struct, thread.fstate.f[25])
274 - offsetof(struct task_struct, thread.fstate.f[0])
275 );
276 DEFINE(TASK_THREAD_F26_F0,
277 offsetof(struct task_struct, thread.fstate.f[26])
278 - offsetof(struct task_struct, thread.fstate.f[0])
279 );
280 DEFINE(TASK_THREAD_F27_F0,
281 offsetof(struct task_struct, thread.fstate.f[27])
282 - offsetof(struct task_struct, thread.fstate.f[0])
283 );
284 DEFINE(TASK_THREAD_F28_F0,
285 offsetof(struct task_struct, thread.fstate.f[28])
286 - offsetof(struct task_struct, thread.fstate.f[0])
287 );
288 DEFINE(TASK_THREAD_F29_F0,
289 offsetof(struct task_struct, thread.fstate.f[29])
290 - offsetof(struct task_struct, thread.fstate.f[0])
291 );
292 DEFINE(TASK_THREAD_F30_F0,
293 offsetof(struct task_struct, thread.fstate.f[30])
294 - offsetof(struct task_struct, thread.fstate.f[0])
295 );
296 DEFINE(TASK_THREAD_F31_F0,
297 offsetof(struct task_struct, thread.fstate.f[31])
298 - offsetof(struct task_struct, thread.fstate.f[0])
299 );
300 DEFINE(TASK_THREAD_FCSR_F0,
301 offsetof(struct task_struct, thread.fstate.fcsr)
302 - offsetof(struct task_struct, thread.fstate.f[0])
303 );
304
305 /*
306 * We allocate a pt_regs on the stack when entering the kernel. This
307 * ensures the alignment is sane.
308 */
309 DEFINE(PT_SIZE_ON_STACK, ALIGN(sizeof(struct pt_regs), STACK_ALIGN));
310}