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_THREAD_SP, task_struct, thread.sp);
31 OFFSET(TASK_STACK, task_struct, stack);
32 OFFSET(TASK_TI, task_struct, thread_info);
33 OFFSET(TASK_TI_FLAGS, task_struct, thread_info.flags);
34 OFFSET(TASK_TI_PREEMPT_COUNT, task_struct, thread_info.preempt_count);
35 OFFSET(TASK_TI_KERNEL_SP, task_struct, thread_info.kernel_sp);
36 OFFSET(TASK_TI_USER_SP, task_struct, thread_info.user_sp);
37 OFFSET(TASK_TI_CPU, task_struct, thread_info.cpu);
38
39 OFFSET(TASK_THREAD_F0, task_struct, thread.fstate.f[0]);
40 OFFSET(TASK_THREAD_F1, task_struct, thread.fstate.f[1]);
41 OFFSET(TASK_THREAD_F2, task_struct, thread.fstate.f[2]);
42 OFFSET(TASK_THREAD_F3, task_struct, thread.fstate.f[3]);
43 OFFSET(TASK_THREAD_F4, task_struct, thread.fstate.f[4]);
44 OFFSET(TASK_THREAD_F5, task_struct, thread.fstate.f[5]);
45 OFFSET(TASK_THREAD_F6, task_struct, thread.fstate.f[6]);
46 OFFSET(TASK_THREAD_F7, task_struct, thread.fstate.f[7]);
47 OFFSET(TASK_THREAD_F8, task_struct, thread.fstate.f[8]);
48 OFFSET(TASK_THREAD_F9, task_struct, thread.fstate.f[9]);
49 OFFSET(TASK_THREAD_F10, task_struct, thread.fstate.f[10]);
50 OFFSET(TASK_THREAD_F11, task_struct, thread.fstate.f[11]);
51 OFFSET(TASK_THREAD_F12, task_struct, thread.fstate.f[12]);
52 OFFSET(TASK_THREAD_F13, task_struct, thread.fstate.f[13]);
53 OFFSET(TASK_THREAD_F14, task_struct, thread.fstate.f[14]);
54 OFFSET(TASK_THREAD_F15, task_struct, thread.fstate.f[15]);
55 OFFSET(TASK_THREAD_F16, task_struct, thread.fstate.f[16]);
56 OFFSET(TASK_THREAD_F17, task_struct, thread.fstate.f[17]);
57 OFFSET(TASK_THREAD_F18, task_struct, thread.fstate.f[18]);
58 OFFSET(TASK_THREAD_F19, task_struct, thread.fstate.f[19]);
59 OFFSET(TASK_THREAD_F20, task_struct, thread.fstate.f[20]);
60 OFFSET(TASK_THREAD_F21, task_struct, thread.fstate.f[21]);
61 OFFSET(TASK_THREAD_F22, task_struct, thread.fstate.f[22]);
62 OFFSET(TASK_THREAD_F23, task_struct, thread.fstate.f[23]);
63 OFFSET(TASK_THREAD_F24, task_struct, thread.fstate.f[24]);
64 OFFSET(TASK_THREAD_F25, task_struct, thread.fstate.f[25]);
65 OFFSET(TASK_THREAD_F26, task_struct, thread.fstate.f[26]);
66 OFFSET(TASK_THREAD_F27, task_struct, thread.fstate.f[27]);
67 OFFSET(TASK_THREAD_F28, task_struct, thread.fstate.f[28]);
68 OFFSET(TASK_THREAD_F29, task_struct, thread.fstate.f[29]);
69 OFFSET(TASK_THREAD_F30, task_struct, thread.fstate.f[30]);
70 OFFSET(TASK_THREAD_F31, task_struct, thread.fstate.f[31]);
71 OFFSET(TASK_THREAD_FCSR, task_struct, thread.fstate.fcsr);
72
73 DEFINE(PT_SIZE, sizeof(struct pt_regs));
74 OFFSET(PT_SEPC, pt_regs, sepc);
75 OFFSET(PT_RA, pt_regs, ra);
76 OFFSET(PT_FP, pt_regs, s0);
77 OFFSET(PT_S0, pt_regs, s0);
78 OFFSET(PT_S1, pt_regs, s1);
79 OFFSET(PT_S2, pt_regs, s2);
80 OFFSET(PT_S3, pt_regs, s3);
81 OFFSET(PT_S4, pt_regs, s4);
82 OFFSET(PT_S5, pt_regs, s5);
83 OFFSET(PT_S6, pt_regs, s6);
84 OFFSET(PT_S7, pt_regs, s7);
85 OFFSET(PT_S8, pt_regs, s8);
86 OFFSET(PT_S9, pt_regs, s9);
87 OFFSET(PT_S10, pt_regs, s10);
88 OFFSET(PT_S11, pt_regs, s11);
89 OFFSET(PT_SP, pt_regs, sp);
90 OFFSET(PT_TP, pt_regs, tp);
91 OFFSET(PT_A0, pt_regs, a0);
92 OFFSET(PT_A1, pt_regs, a1);
93 OFFSET(PT_A2, pt_regs, a2);
94 OFFSET(PT_A3, pt_regs, a3);
95 OFFSET(PT_A4, pt_regs, a4);
96 OFFSET(PT_A5, pt_regs, a5);
97 OFFSET(PT_A6, pt_regs, a6);
98 OFFSET(PT_A7, pt_regs, a7);
99 OFFSET(PT_T0, pt_regs, t0);
100 OFFSET(PT_T1, pt_regs, t1);
101 OFFSET(PT_T2, pt_regs, t2);
102 OFFSET(PT_T3, pt_regs, t3);
103 OFFSET(PT_T4, pt_regs, t4);
104 OFFSET(PT_T5, pt_regs, t5);
105 OFFSET(PT_T6, pt_regs, t6);
106 OFFSET(PT_GP, pt_regs, gp);
107 OFFSET(PT_ORIG_A0, pt_regs, orig_a0);
108 OFFSET(PT_SSTATUS, pt_regs, sstatus);
109 OFFSET(PT_SBADADDR, pt_regs, sbadaddr);
110 OFFSET(PT_SCAUSE, pt_regs, scause);
111
112 /*
113 * THREAD_{F,X}* might be larger than a S-type offset can handle, but
114 * these are used in performance-sensitive assembly so we can't resort
115 * to loading the long immediate every time.
116 */
117 DEFINE(TASK_THREAD_RA_RA,
118 offsetof(struct task_struct, thread.ra)
119 - offsetof(struct task_struct, thread.ra)
120 );
121 DEFINE(TASK_THREAD_SP_RA,
122 offsetof(struct task_struct, thread.sp)
123 - offsetof(struct task_struct, thread.ra)
124 );
125 DEFINE(TASK_THREAD_S0_RA,
126 offsetof(struct task_struct, thread.s[0])
127 - offsetof(struct task_struct, thread.ra)
128 );
129 DEFINE(TASK_THREAD_S1_RA,
130 offsetof(struct task_struct, thread.s[1])
131 - offsetof(struct task_struct, thread.ra)
132 );
133 DEFINE(TASK_THREAD_S2_RA,
134 offsetof(struct task_struct, thread.s[2])
135 - offsetof(struct task_struct, thread.ra)
136 );
137 DEFINE(TASK_THREAD_S3_RA,
138 offsetof(struct task_struct, thread.s[3])
139 - offsetof(struct task_struct, thread.ra)
140 );
141 DEFINE(TASK_THREAD_S4_RA,
142 offsetof(struct task_struct, thread.s[4])
143 - offsetof(struct task_struct, thread.ra)
144 );
145 DEFINE(TASK_THREAD_S5_RA,
146 offsetof(struct task_struct, thread.s[5])
147 - offsetof(struct task_struct, thread.ra)
148 );
149 DEFINE(TASK_THREAD_S6_RA,
150 offsetof(struct task_struct, thread.s[6])
151 - offsetof(struct task_struct, thread.ra)
152 );
153 DEFINE(TASK_THREAD_S7_RA,
154 offsetof(struct task_struct, thread.s[7])
155 - offsetof(struct task_struct, thread.ra)
156 );
157 DEFINE(TASK_THREAD_S8_RA,
158 offsetof(struct task_struct, thread.s[8])
159 - offsetof(struct task_struct, thread.ra)
160 );
161 DEFINE(TASK_THREAD_S9_RA,
162 offsetof(struct task_struct, thread.s[9])
163 - offsetof(struct task_struct, thread.ra)
164 );
165 DEFINE(TASK_THREAD_S10_RA,
166 offsetof(struct task_struct, thread.s[10])
167 - offsetof(struct task_struct, thread.ra)
168 );
169 DEFINE(TASK_THREAD_S11_RA,
170 offsetof(struct task_struct, thread.s[11])
171 - offsetof(struct task_struct, thread.ra)
172 );
173
174 DEFINE(TASK_THREAD_F0_F0,
175 offsetof(struct task_struct, thread.fstate.f[0])
176 - offsetof(struct task_struct, thread.fstate.f[0])
177 );
178 DEFINE(TASK_THREAD_F1_F0,
179 offsetof(struct task_struct, thread.fstate.f[1])
180 - offsetof(struct task_struct, thread.fstate.f[0])
181 );
182 DEFINE(TASK_THREAD_F2_F0,
183 offsetof(struct task_struct, thread.fstate.f[2])
184 - offsetof(struct task_struct, thread.fstate.f[0])
185 );
186 DEFINE(TASK_THREAD_F3_F0,
187 offsetof(struct task_struct, thread.fstate.f[3])
188 - offsetof(struct task_struct, thread.fstate.f[0])
189 );
190 DEFINE(TASK_THREAD_F4_F0,
191 offsetof(struct task_struct, thread.fstate.f[4])
192 - offsetof(struct task_struct, thread.fstate.f[0])
193 );
194 DEFINE(TASK_THREAD_F5_F0,
195 offsetof(struct task_struct, thread.fstate.f[5])
196 - offsetof(struct task_struct, thread.fstate.f[0])
197 );
198 DEFINE(TASK_THREAD_F6_F0,
199 offsetof(struct task_struct, thread.fstate.f[6])
200 - offsetof(struct task_struct, thread.fstate.f[0])
201 );
202 DEFINE(TASK_THREAD_F7_F0,
203 offsetof(struct task_struct, thread.fstate.f[7])
204 - offsetof(struct task_struct, thread.fstate.f[0])
205 );
206 DEFINE(TASK_THREAD_F8_F0,
207 offsetof(struct task_struct, thread.fstate.f[8])
208 - offsetof(struct task_struct, thread.fstate.f[0])
209 );
210 DEFINE(TASK_THREAD_F9_F0,
211 offsetof(struct task_struct, thread.fstate.f[9])
212 - offsetof(struct task_struct, thread.fstate.f[0])
213 );
214 DEFINE(TASK_THREAD_F10_F0,
215 offsetof(struct task_struct, thread.fstate.f[10])
216 - offsetof(struct task_struct, thread.fstate.f[0])
217 );
218 DEFINE(TASK_THREAD_F11_F0,
219 offsetof(struct task_struct, thread.fstate.f[11])
220 - offsetof(struct task_struct, thread.fstate.f[0])
221 );
222 DEFINE(TASK_THREAD_F12_F0,
223 offsetof(struct task_struct, thread.fstate.f[12])
224 - offsetof(struct task_struct, thread.fstate.f[0])
225 );
226 DEFINE(TASK_THREAD_F13_F0,
227 offsetof(struct task_struct, thread.fstate.f[13])
228 - offsetof(struct task_struct, thread.fstate.f[0])
229 );
230 DEFINE(TASK_THREAD_F14_F0,
231 offsetof(struct task_struct, thread.fstate.f[14])
232 - offsetof(struct task_struct, thread.fstate.f[0])
233 );
234 DEFINE(TASK_THREAD_F15_F0,
235 offsetof(struct task_struct, thread.fstate.f[15])
236 - offsetof(struct task_struct, thread.fstate.f[0])
237 );
238 DEFINE(TASK_THREAD_F16_F0,
239 offsetof(struct task_struct, thread.fstate.f[16])
240 - offsetof(struct task_struct, thread.fstate.f[0])
241 );
242 DEFINE(TASK_THREAD_F17_F0,
243 offsetof(struct task_struct, thread.fstate.f[17])
244 - offsetof(struct task_struct, thread.fstate.f[0])
245 );
246 DEFINE(TASK_THREAD_F18_F0,
247 offsetof(struct task_struct, thread.fstate.f[18])
248 - offsetof(struct task_struct, thread.fstate.f[0])
249 );
250 DEFINE(TASK_THREAD_F19_F0,
251 offsetof(struct task_struct, thread.fstate.f[19])
252 - offsetof(struct task_struct, thread.fstate.f[0])
253 );
254 DEFINE(TASK_THREAD_F20_F0,
255 offsetof(struct task_struct, thread.fstate.f[20])
256 - offsetof(struct task_struct, thread.fstate.f[0])
257 );
258 DEFINE(TASK_THREAD_F21_F0,
259 offsetof(struct task_struct, thread.fstate.f[21])
260 - offsetof(struct task_struct, thread.fstate.f[0])
261 );
262 DEFINE(TASK_THREAD_F22_F0,
263 offsetof(struct task_struct, thread.fstate.f[22])
264 - offsetof(struct task_struct, thread.fstate.f[0])
265 );
266 DEFINE(TASK_THREAD_F23_F0,
267 offsetof(struct task_struct, thread.fstate.f[23])
268 - offsetof(struct task_struct, thread.fstate.f[0])
269 );
270 DEFINE(TASK_THREAD_F24_F0,
271 offsetof(struct task_struct, thread.fstate.f[24])
272 - offsetof(struct task_struct, thread.fstate.f[0])
273 );
274 DEFINE(TASK_THREAD_F25_F0,
275 offsetof(struct task_struct, thread.fstate.f[25])
276 - offsetof(struct task_struct, thread.fstate.f[0])
277 );
278 DEFINE(TASK_THREAD_F26_F0,
279 offsetof(struct task_struct, thread.fstate.f[26])
280 - offsetof(struct task_struct, thread.fstate.f[0])
281 );
282 DEFINE(TASK_THREAD_F27_F0,
283 offsetof(struct task_struct, thread.fstate.f[27])
284 - offsetof(struct task_struct, thread.fstate.f[0])
285 );
286 DEFINE(TASK_THREAD_F28_F0,
287 offsetof(struct task_struct, thread.fstate.f[28])
288 - offsetof(struct task_struct, thread.fstate.f[0])
289 );
290 DEFINE(TASK_THREAD_F29_F0,
291 offsetof(struct task_struct, thread.fstate.f[29])
292 - offsetof(struct task_struct, thread.fstate.f[0])
293 );
294 DEFINE(TASK_THREAD_F30_F0,
295 offsetof(struct task_struct, thread.fstate.f[30])
296 - offsetof(struct task_struct, thread.fstate.f[0])
297 );
298 DEFINE(TASK_THREAD_F31_F0,
299 offsetof(struct task_struct, thread.fstate.f[31])
300 - offsetof(struct task_struct, thread.fstate.f[0])
301 );
302 DEFINE(TASK_THREAD_FCSR_F0,
303 offsetof(struct task_struct, thread.fstate.fcsr)
304 - offsetof(struct task_struct, thread.fstate.f[0])
305 );
306
307 /*
308 * We allocate a pt_regs on the stack when entering the kernel. This
309 * ensures the alignment is sane.
310 */
311 DEFINE(PT_SIZE_ON_STACK, ALIGN(sizeof(struct pt_regs), STACK_ALIGN));
312 }
313
