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