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