1 /* 2 * offset.c: Calculate pt_regs and task_struct offsets. 3 * 4 * Copyright (C) 1996 David S. Miller 5 * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle 6 * Copyright (C) 1999, 2000 Silicon Graphics, Inc. 7 * 8 * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com 9 * Copyright (C) 2000 MIPS Technologies, Inc. 10 */ 11 #include <linux/compat.h> 12 #include <linux/types.h> 13 #include <linux/sched.h> 14 #include <linux/mm.h> 15 #include <linux/kbuild.h> 16 #include <linux/suspend.h> 17 #include <asm/ptrace.h> 18 #include <asm/processor.h> 19 20 void output_ptreg_defines(void) 21 { 22 COMMENT("MIPS pt_regs offsets."); 23 OFFSET(PT_R0, pt_regs, regs[0]); 24 OFFSET(PT_R1, pt_regs, regs[1]); 25 OFFSET(PT_R2, pt_regs, regs[2]); 26 OFFSET(PT_R3, pt_regs, regs[3]); 27 OFFSET(PT_R4, pt_regs, regs[4]); 28 OFFSET(PT_R5, pt_regs, regs[5]); 29 OFFSET(PT_R6, pt_regs, regs[6]); 30 OFFSET(PT_R7, pt_regs, regs[7]); 31 OFFSET(PT_R8, pt_regs, regs[8]); 32 OFFSET(PT_R9, pt_regs, regs[9]); 33 OFFSET(PT_R10, pt_regs, regs[10]); 34 OFFSET(PT_R11, pt_regs, regs[11]); 35 OFFSET(PT_R12, pt_regs, regs[12]); 36 OFFSET(PT_R13, pt_regs, regs[13]); 37 OFFSET(PT_R14, pt_regs, regs[14]); 38 OFFSET(PT_R15, pt_regs, regs[15]); 39 OFFSET(PT_R16, pt_regs, regs[16]); 40 OFFSET(PT_R17, pt_regs, regs[17]); 41 OFFSET(PT_R18, pt_regs, regs[18]); 42 OFFSET(PT_R19, pt_regs, regs[19]); 43 OFFSET(PT_R20, pt_regs, regs[20]); 44 OFFSET(PT_R21, pt_regs, regs[21]); 45 OFFSET(PT_R22, pt_regs, regs[22]); 46 OFFSET(PT_R23, pt_regs, regs[23]); 47 OFFSET(PT_R24, pt_regs, regs[24]); 48 OFFSET(PT_R25, pt_regs, regs[25]); 49 OFFSET(PT_R26, pt_regs, regs[26]); 50 OFFSET(PT_R27, pt_regs, regs[27]); 51 OFFSET(PT_R28, pt_regs, regs[28]); 52 OFFSET(PT_R29, pt_regs, regs[29]); 53 OFFSET(PT_R30, pt_regs, regs[30]); 54 OFFSET(PT_R31, pt_regs, regs[31]); 55 OFFSET(PT_LO, pt_regs, lo); 56 OFFSET(PT_HI, pt_regs, hi); 57 #ifdef CONFIG_CPU_HAS_SMARTMIPS 58 OFFSET(PT_ACX, pt_regs, acx); 59 #endif 60 OFFSET(PT_EPC, pt_regs, cp0_epc); 61 OFFSET(PT_BVADDR, pt_regs, cp0_badvaddr); 62 OFFSET(PT_STATUS, pt_regs, cp0_status); 63 OFFSET(PT_CAUSE, pt_regs, cp0_cause); 64 #ifdef CONFIG_MIPS_MT_SMTC 65 OFFSET(PT_TCSTATUS, pt_regs, cp0_tcstatus); 66 #endif /* CONFIG_MIPS_MT_SMTC */ 67 #ifdef CONFIG_CPU_CAVIUM_OCTEON 68 OFFSET(PT_MPL, pt_regs, mpl); 69 OFFSET(PT_MTP, pt_regs, mtp); 70 #endif /* CONFIG_CPU_CAVIUM_OCTEON */ 71 DEFINE(PT_SIZE, sizeof(struct pt_regs)); 72 BLANK(); 73 } 74 75 void output_task_defines(void) 76 { 77 COMMENT("MIPS task_struct offsets."); 78 OFFSET(TASK_STATE, task_struct, state); 79 OFFSET(TASK_THREAD_INFO, task_struct, stack); 80 OFFSET(TASK_FLAGS, task_struct, flags); 81 OFFSET(TASK_MM, task_struct, mm); 82 OFFSET(TASK_PID, task_struct, pid); 83 DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct)); 84 BLANK(); 85 } 86 87 void output_thread_info_defines(void) 88 { 89 COMMENT("MIPS thread_info offsets."); 90 OFFSET(TI_TASK, thread_info, task); 91 OFFSET(TI_EXEC_DOMAIN, thread_info, exec_domain); 92 OFFSET(TI_FLAGS, thread_info, flags); 93 OFFSET(TI_TP_VALUE, thread_info, tp_value); 94 OFFSET(TI_CPU, thread_info, cpu); 95 OFFSET(TI_PRE_COUNT, thread_info, preempt_count); 96 OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit); 97 OFFSET(TI_RESTART_BLOCK, thread_info, restart_block); 98 OFFSET(TI_REGS, thread_info, regs); 99 DEFINE(_THREAD_SIZE, THREAD_SIZE); 100 DEFINE(_THREAD_MASK, THREAD_MASK); 101 BLANK(); 102 } 103 104 void output_thread_defines(void) 105 { 106 COMMENT("MIPS specific thread_struct offsets."); 107 OFFSET(THREAD_REG16, task_struct, thread.reg16); 108 OFFSET(THREAD_REG17, task_struct, thread.reg17); 109 OFFSET(THREAD_REG18, task_struct, thread.reg18); 110 OFFSET(THREAD_REG19, task_struct, thread.reg19); 111 OFFSET(THREAD_REG20, task_struct, thread.reg20); 112 OFFSET(THREAD_REG21, task_struct, thread.reg21); 113 OFFSET(THREAD_REG22, task_struct, thread.reg22); 114 OFFSET(THREAD_REG23, task_struct, thread.reg23); 115 OFFSET(THREAD_REG29, task_struct, thread.reg29); 116 OFFSET(THREAD_REG30, task_struct, thread.reg30); 117 OFFSET(THREAD_REG31, task_struct, thread.reg31); 118 OFFSET(THREAD_STATUS, task_struct, 119 thread.cp0_status); 120 OFFSET(THREAD_FPU, task_struct, thread.fpu); 121 122 OFFSET(THREAD_BVADDR, task_struct, \ 123 thread.cp0_badvaddr); 124 OFFSET(THREAD_BUADDR, task_struct, \ 125 thread.cp0_baduaddr); 126 OFFSET(THREAD_ECODE, task_struct, \ 127 thread.error_code); 128 BLANK(); 129 } 130 131 void output_thread_fpu_defines(void) 132 { 133 OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]); 134 OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]); 135 OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]); 136 OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]); 137 OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]); 138 OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]); 139 OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]); 140 OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]); 141 OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]); 142 OFFSET(THREAD_FPR9, task_struct, thread.fpu.fpr[9]); 143 OFFSET(THREAD_FPR10, task_struct, thread.fpu.fpr[10]); 144 OFFSET(THREAD_FPR11, task_struct, thread.fpu.fpr[11]); 145 OFFSET(THREAD_FPR12, task_struct, thread.fpu.fpr[12]); 146 OFFSET(THREAD_FPR13, task_struct, thread.fpu.fpr[13]); 147 OFFSET(THREAD_FPR14, task_struct, thread.fpu.fpr[14]); 148 OFFSET(THREAD_FPR15, task_struct, thread.fpu.fpr[15]); 149 OFFSET(THREAD_FPR16, task_struct, thread.fpu.fpr[16]); 150 OFFSET(THREAD_FPR17, task_struct, thread.fpu.fpr[17]); 151 OFFSET(THREAD_FPR18, task_struct, thread.fpu.fpr[18]); 152 OFFSET(THREAD_FPR19, task_struct, thread.fpu.fpr[19]); 153 OFFSET(THREAD_FPR20, task_struct, thread.fpu.fpr[20]); 154 OFFSET(THREAD_FPR21, task_struct, thread.fpu.fpr[21]); 155 OFFSET(THREAD_FPR22, task_struct, thread.fpu.fpr[22]); 156 OFFSET(THREAD_FPR23, task_struct, thread.fpu.fpr[23]); 157 OFFSET(THREAD_FPR24, task_struct, thread.fpu.fpr[24]); 158 OFFSET(THREAD_FPR25, task_struct, thread.fpu.fpr[25]); 159 OFFSET(THREAD_FPR26, task_struct, thread.fpu.fpr[26]); 160 OFFSET(THREAD_FPR27, task_struct, thread.fpu.fpr[27]); 161 OFFSET(THREAD_FPR28, task_struct, thread.fpu.fpr[28]); 162 OFFSET(THREAD_FPR29, task_struct, thread.fpu.fpr[29]); 163 OFFSET(THREAD_FPR30, task_struct, thread.fpu.fpr[30]); 164 OFFSET(THREAD_FPR31, task_struct, thread.fpu.fpr[31]); 165 166 OFFSET(THREAD_FCR31, task_struct, thread.fpu.fcr31); 167 BLANK(); 168 } 169 170 void output_mm_defines(void) 171 { 172 COMMENT("Size of struct page"); 173 DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page)); 174 BLANK(); 175 COMMENT("Linux mm_struct offsets."); 176 OFFSET(MM_USERS, mm_struct, mm_users); 177 OFFSET(MM_PGD, mm_struct, pgd); 178 OFFSET(MM_CONTEXT, mm_struct, context); 179 BLANK(); 180 DEFINE(_PGD_T_SIZE, sizeof(pgd_t)); 181 DEFINE(_PMD_T_SIZE, sizeof(pmd_t)); 182 DEFINE(_PTE_T_SIZE, sizeof(pte_t)); 183 BLANK(); 184 DEFINE(_PGD_T_LOG2, PGD_T_LOG2); 185 #ifndef __PAGETABLE_PMD_FOLDED 186 DEFINE(_PMD_T_LOG2, PMD_T_LOG2); 187 #endif 188 DEFINE(_PTE_T_LOG2, PTE_T_LOG2); 189 BLANK(); 190 DEFINE(_PGD_ORDER, PGD_ORDER); 191 #ifndef __PAGETABLE_PMD_FOLDED 192 DEFINE(_PMD_ORDER, PMD_ORDER); 193 #endif 194 DEFINE(_PTE_ORDER, PTE_ORDER); 195 BLANK(); 196 DEFINE(_PMD_SHIFT, PMD_SHIFT); 197 DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT); 198 BLANK(); 199 DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD); 200 DEFINE(_PTRS_PER_PMD, PTRS_PER_PMD); 201 DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE); 202 BLANK(); 203 DEFINE(_PAGE_SHIFT, PAGE_SHIFT); 204 DEFINE(_PAGE_SIZE, PAGE_SIZE); 205 BLANK(); 206 } 207 208 #ifdef CONFIG_32BIT 209 void output_sc_defines(void) 210 { 211 COMMENT("Linux sigcontext offsets."); 212 OFFSET(SC_REGS, sigcontext, sc_regs); 213 OFFSET(SC_FPREGS, sigcontext, sc_fpregs); 214 OFFSET(SC_ACX, sigcontext, sc_acx); 215 OFFSET(SC_MDHI, sigcontext, sc_mdhi); 216 OFFSET(SC_MDLO, sigcontext, sc_mdlo); 217 OFFSET(SC_PC, sigcontext, sc_pc); 218 OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr); 219 OFFSET(SC_FPC_EIR, sigcontext, sc_fpc_eir); 220 OFFSET(SC_HI1, sigcontext, sc_hi1); 221 OFFSET(SC_LO1, sigcontext, sc_lo1); 222 OFFSET(SC_HI2, sigcontext, sc_hi2); 223 OFFSET(SC_LO2, sigcontext, sc_lo2); 224 OFFSET(SC_HI3, sigcontext, sc_hi3); 225 OFFSET(SC_LO3, sigcontext, sc_lo3); 226 BLANK(); 227 } 228 #endif 229 230 #ifdef CONFIG_64BIT 231 void output_sc_defines(void) 232 { 233 COMMENT("Linux sigcontext offsets."); 234 OFFSET(SC_REGS, sigcontext, sc_regs); 235 OFFSET(SC_FPREGS, sigcontext, sc_fpregs); 236 OFFSET(SC_MDHI, sigcontext, sc_mdhi); 237 OFFSET(SC_MDLO, sigcontext, sc_mdlo); 238 OFFSET(SC_PC, sigcontext, sc_pc); 239 OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr); 240 BLANK(); 241 } 242 #endif 243 244 #ifdef CONFIG_MIPS32_COMPAT 245 void output_sc32_defines(void) 246 { 247 COMMENT("Linux 32-bit sigcontext offsets."); 248 OFFSET(SC32_FPREGS, sigcontext32, sc_fpregs); 249 OFFSET(SC32_FPC_CSR, sigcontext32, sc_fpc_csr); 250 OFFSET(SC32_FPC_EIR, sigcontext32, sc_fpc_eir); 251 BLANK(); 252 } 253 #endif 254 255 void output_signal_defined(void) 256 { 257 COMMENT("Linux signal numbers."); 258 DEFINE(_SIGHUP, SIGHUP); 259 DEFINE(_SIGINT, SIGINT); 260 DEFINE(_SIGQUIT, SIGQUIT); 261 DEFINE(_SIGILL, SIGILL); 262 DEFINE(_SIGTRAP, SIGTRAP); 263 DEFINE(_SIGIOT, SIGIOT); 264 DEFINE(_SIGABRT, SIGABRT); 265 DEFINE(_SIGEMT, SIGEMT); 266 DEFINE(_SIGFPE, SIGFPE); 267 DEFINE(_SIGKILL, SIGKILL); 268 DEFINE(_SIGBUS, SIGBUS); 269 DEFINE(_SIGSEGV, SIGSEGV); 270 DEFINE(_SIGSYS, SIGSYS); 271 DEFINE(_SIGPIPE, SIGPIPE); 272 DEFINE(_SIGALRM, SIGALRM); 273 DEFINE(_SIGTERM, SIGTERM); 274 DEFINE(_SIGUSR1, SIGUSR1); 275 DEFINE(_SIGUSR2, SIGUSR2); 276 DEFINE(_SIGCHLD, SIGCHLD); 277 DEFINE(_SIGPWR, SIGPWR); 278 DEFINE(_SIGWINCH, SIGWINCH); 279 DEFINE(_SIGURG, SIGURG); 280 DEFINE(_SIGIO, SIGIO); 281 DEFINE(_SIGSTOP, SIGSTOP); 282 DEFINE(_SIGTSTP, SIGTSTP); 283 DEFINE(_SIGCONT, SIGCONT); 284 DEFINE(_SIGTTIN, SIGTTIN); 285 DEFINE(_SIGTTOU, SIGTTOU); 286 DEFINE(_SIGVTALRM, SIGVTALRM); 287 DEFINE(_SIGPROF, SIGPROF); 288 DEFINE(_SIGXCPU, SIGXCPU); 289 DEFINE(_SIGXFSZ, SIGXFSZ); 290 BLANK(); 291 } 292 293 #ifdef CONFIG_CPU_CAVIUM_OCTEON 294 void output_octeon_cop2_state_defines(void) 295 { 296 COMMENT("Octeon specific octeon_cop2_state offsets."); 297 OFFSET(OCTEON_CP2_CRC_IV, octeon_cop2_state, cop2_crc_iv); 298 OFFSET(OCTEON_CP2_CRC_LENGTH, octeon_cop2_state, cop2_crc_length); 299 OFFSET(OCTEON_CP2_CRC_POLY, octeon_cop2_state, cop2_crc_poly); 300 OFFSET(OCTEON_CP2_LLM_DAT, octeon_cop2_state, cop2_llm_dat); 301 OFFSET(OCTEON_CP2_3DES_IV, octeon_cop2_state, cop2_3des_iv); 302 OFFSET(OCTEON_CP2_3DES_KEY, octeon_cop2_state, cop2_3des_key); 303 OFFSET(OCTEON_CP2_3DES_RESULT, octeon_cop2_state, cop2_3des_result); 304 OFFSET(OCTEON_CP2_AES_INP0, octeon_cop2_state, cop2_aes_inp0); 305 OFFSET(OCTEON_CP2_AES_IV, octeon_cop2_state, cop2_aes_iv); 306 OFFSET(OCTEON_CP2_AES_KEY, octeon_cop2_state, cop2_aes_key); 307 OFFSET(OCTEON_CP2_AES_KEYLEN, octeon_cop2_state, cop2_aes_keylen); 308 OFFSET(OCTEON_CP2_AES_RESULT, octeon_cop2_state, cop2_aes_result); 309 OFFSET(OCTEON_CP2_GFM_MULT, octeon_cop2_state, cop2_gfm_mult); 310 OFFSET(OCTEON_CP2_GFM_POLY, octeon_cop2_state, cop2_gfm_poly); 311 OFFSET(OCTEON_CP2_GFM_RESULT, octeon_cop2_state, cop2_gfm_result); 312 OFFSET(OCTEON_CP2_HSH_DATW, octeon_cop2_state, cop2_hsh_datw); 313 OFFSET(OCTEON_CP2_HSH_IVW, octeon_cop2_state, cop2_hsh_ivw); 314 OFFSET(THREAD_CP2, task_struct, thread.cp2); 315 OFFSET(THREAD_CVMSEG, task_struct, thread.cvmseg.cvmseg); 316 BLANK(); 317 } 318 #endif 319 320 #ifdef CONFIG_HIBERNATION 321 void output_pbe_defines(void) 322 { 323 COMMENT(" Linux struct pbe offsets. "); 324 OFFSET(PBE_ADDRESS, pbe, address); 325 OFFSET(PBE_ORIG_ADDRESS, pbe, orig_address); 326 OFFSET(PBE_NEXT, pbe, next); 327 DEFINE(PBE_SIZE, sizeof(struct pbe)); 328 BLANK(); 329 } 330 #endif 331