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 void asm_offsets(void) 17 { 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); 37 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); 73 #endif 74 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); 113 114 /* 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. 118 */ 119 DEFINE(TASK_THREAD_RA_RA, 120 offsetof(struct task_struct, thread.ra) 121 - offsetof(struct task_struct, thread.ra) 122 ); 123 DEFINE(TASK_THREAD_SP_RA, 124 offsetof(struct task_struct, thread.sp) 125 - offsetof(struct task_struct, thread.ra) 126 ); 127 DEFINE(TASK_THREAD_S0_RA, 128 offsetof(struct task_struct, thread.s[0]) 129 - offsetof(struct task_struct, thread.ra) 130 ); 131 DEFINE(TASK_THREAD_S1_RA, 132 offsetof(struct task_struct, thread.s[1]) 133 - offsetof(struct task_struct, thread.ra) 134 ); 135 DEFINE(TASK_THREAD_S2_RA, 136 offsetof(struct task_struct, thread.s[2]) 137 - offsetof(struct task_struct, thread.ra) 138 ); 139 DEFINE(TASK_THREAD_S3_RA, 140 offsetof(struct task_struct, thread.s[3]) 141 - offsetof(struct task_struct, thread.ra) 142 ); 143 DEFINE(TASK_THREAD_S4_RA, 144 offsetof(struct task_struct, thread.s[4]) 145 - offsetof(struct task_struct, thread.ra) 146 ); 147 DEFINE(TASK_THREAD_S5_RA, 148 offsetof(struct task_struct, thread.s[5]) 149 - offsetof(struct task_struct, thread.ra) 150 ); 151 DEFINE(TASK_THREAD_S6_RA, 152 offsetof(struct task_struct, thread.s[6]) 153 - offsetof(struct task_struct, thread.ra) 154 ); 155 DEFINE(TASK_THREAD_S7_RA, 156 offsetof(struct task_struct, thread.s[7]) 157 - offsetof(struct task_struct, thread.ra) 158 ); 159 DEFINE(TASK_THREAD_S8_RA, 160 offsetof(struct task_struct, thread.s[8]) 161 - offsetof(struct task_struct, thread.ra) 162 ); 163 DEFINE(TASK_THREAD_S9_RA, 164 offsetof(struct task_struct, thread.s[9]) 165 - offsetof(struct task_struct, thread.ra) 166 ); 167 DEFINE(TASK_THREAD_S10_RA, 168 offsetof(struct task_struct, thread.s[10]) 169 - offsetof(struct task_struct, thread.ra) 170 ); 171 DEFINE(TASK_THREAD_S11_RA, 172 offsetof(struct task_struct, thread.s[11]) 173 - offsetof(struct task_struct, thread.ra) 174 ); 175 176 DEFINE(TASK_THREAD_F0_F0, 177 offsetof(struct task_struct, thread.fstate.f[0]) 178 - offsetof(struct task_struct, thread.fstate.f[0]) 179 ); 180 DEFINE(TASK_THREAD_F1_F0, 181 offsetof(struct task_struct, thread.fstate.f[1]) 182 - offsetof(struct task_struct, thread.fstate.f[0]) 183 ); 184 DEFINE(TASK_THREAD_F2_F0, 185 offsetof(struct task_struct, thread.fstate.f[2]) 186 - offsetof(struct task_struct, thread.fstate.f[0]) 187 ); 188 DEFINE(TASK_THREAD_F3_F0, 189 offsetof(struct task_struct, thread.fstate.f[3]) 190 - offsetof(struct task_struct, thread.fstate.f[0]) 191 ); 192 DEFINE(TASK_THREAD_F4_F0, 193 offsetof(struct task_struct, thread.fstate.f[4]) 194 - offsetof(struct task_struct, thread.fstate.f[0]) 195 ); 196 DEFINE(TASK_THREAD_F5_F0, 197 offsetof(struct task_struct, thread.fstate.f[5]) 198 - offsetof(struct task_struct, thread.fstate.f[0]) 199 ); 200 DEFINE(TASK_THREAD_F6_F0, 201 offsetof(struct task_struct, thread.fstate.f[6]) 202 - offsetof(struct task_struct, thread.fstate.f[0]) 203 ); 204 DEFINE(TASK_THREAD_F7_F0, 205 offsetof(struct task_struct, thread.fstate.f[7]) 206 - offsetof(struct task_struct, thread.fstate.f[0]) 207 ); 208 DEFINE(TASK_THREAD_F8_F0, 209 offsetof(struct task_struct, thread.fstate.f[8]) 210 - offsetof(struct task_struct, thread.fstate.f[0]) 211 ); 212 DEFINE(TASK_THREAD_F9_F0, 213 offsetof(struct task_struct, thread.fstate.f[9]) 214 - offsetof(struct task_struct, thread.fstate.f[0]) 215 ); 216 DEFINE(TASK_THREAD_F10_F0, 217 offsetof(struct task_struct, thread.fstate.f[10]) 218 - offsetof(struct task_struct, thread.fstate.f[0]) 219 ); 220 DEFINE(TASK_THREAD_F11_F0, 221 offsetof(struct task_struct, thread.fstate.f[11]) 222 - offsetof(struct task_struct, thread.fstate.f[0]) 223 ); 224 DEFINE(TASK_THREAD_F12_F0, 225 offsetof(struct task_struct, thread.fstate.f[12]) 226 - offsetof(struct task_struct, thread.fstate.f[0]) 227 ); 228 DEFINE(TASK_THREAD_F13_F0, 229 offsetof(struct task_struct, thread.fstate.f[13]) 230 - offsetof(struct task_struct, thread.fstate.f[0]) 231 ); 232 DEFINE(TASK_THREAD_F14_F0, 233 offsetof(struct task_struct, thread.fstate.f[14]) 234 - offsetof(struct task_struct, thread.fstate.f[0]) 235 ); 236 DEFINE(TASK_THREAD_F15_F0, 237 offsetof(struct task_struct, thread.fstate.f[15]) 238 - offsetof(struct task_struct, thread.fstate.f[0]) 239 ); 240 DEFINE(TASK_THREAD_F16_F0, 241 offsetof(struct task_struct, thread.fstate.f[16]) 242 - offsetof(struct task_struct, thread.fstate.f[0]) 243 ); 244 DEFINE(TASK_THREAD_F17_F0, 245 offsetof(struct task_struct, thread.fstate.f[17]) 246 - offsetof(struct task_struct, thread.fstate.f[0]) 247 ); 248 DEFINE(TASK_THREAD_F18_F0, 249 offsetof(struct task_struct, thread.fstate.f[18]) 250 - offsetof(struct task_struct, thread.fstate.f[0]) 251 ); 252 DEFINE(TASK_THREAD_F19_F0, 253 offsetof(struct task_struct, thread.fstate.f[19]) 254 - offsetof(struct task_struct, thread.fstate.f[0]) 255 ); 256 DEFINE(TASK_THREAD_F20_F0, 257 offsetof(struct task_struct, thread.fstate.f[20]) 258 - offsetof(struct task_struct, thread.fstate.f[0]) 259 ); 260 DEFINE(TASK_THREAD_F21_F0, 261 offsetof(struct task_struct, thread.fstate.f[21]) 262 - offsetof(struct task_struct, thread.fstate.f[0]) 263 ); 264 DEFINE(TASK_THREAD_F22_F0, 265 offsetof(struct task_struct, thread.fstate.f[22]) 266 - offsetof(struct task_struct, thread.fstate.f[0]) 267 ); 268 DEFINE(TASK_THREAD_F23_F0, 269 offsetof(struct task_struct, thread.fstate.f[23]) 270 - offsetof(struct task_struct, thread.fstate.f[0]) 271 ); 272 DEFINE(TASK_THREAD_F24_F0, 273 offsetof(struct task_struct, thread.fstate.f[24]) 274 - offsetof(struct task_struct, thread.fstate.f[0]) 275 ); 276 DEFINE(TASK_THREAD_F25_F0, 277 offsetof(struct task_struct, thread.fstate.f[25]) 278 - offsetof(struct task_struct, thread.fstate.f[0]) 279 ); 280 DEFINE(TASK_THREAD_F26_F0, 281 offsetof(struct task_struct, thread.fstate.f[26]) 282 - offsetof(struct task_struct, thread.fstate.f[0]) 283 ); 284 DEFINE(TASK_THREAD_F27_F0, 285 offsetof(struct task_struct, thread.fstate.f[27]) 286 - offsetof(struct task_struct, thread.fstate.f[0]) 287 ); 288 DEFINE(TASK_THREAD_F28_F0, 289 offsetof(struct task_struct, thread.fstate.f[28]) 290 - offsetof(struct task_struct, thread.fstate.f[0]) 291 ); 292 DEFINE(TASK_THREAD_F29_F0, 293 offsetof(struct task_struct, thread.fstate.f[29]) 294 - offsetof(struct task_struct, thread.fstate.f[0]) 295 ); 296 DEFINE(TASK_THREAD_F30_F0, 297 offsetof(struct task_struct, thread.fstate.f[30]) 298 - offsetof(struct task_struct, thread.fstate.f[0]) 299 ); 300 DEFINE(TASK_THREAD_F31_F0, 301 offsetof(struct task_struct, thread.fstate.f[31]) 302 - offsetof(struct task_struct, thread.fstate.f[0]) 303 ); 304 DEFINE(TASK_THREAD_FCSR_F0, 305 offsetof(struct task_struct, thread.fstate.fcsr) 306 - offsetof(struct task_struct, thread.fstate.f[0]) 307 ); 308 309 /* 310 * We allocate a pt_regs on the stack when entering the kernel. This 311 * ensures the alignment is sane. 312 */ 313 DEFINE(PT_SIZE_ON_STACK, ALIGN(sizeof(struct pt_regs), STACK_ALIGN)); 314 315 OFFSET(KERNEL_MAP_VIRT_ADDR, kernel_mapping, virt_addr); 316 } 317