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 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