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/interrupt.h> 16#include <linux/kbuild.h> 17#include <linux/suspend.h> 18#include <asm/ptrace.h> 19#include <asm/processor.h> 20 21void output_ptreg_defines(void) 22{ 23 COMMENT("MIPS pt_regs offsets."); 24 OFFSET(PT_R0, pt_regs, regs[0]); 25 OFFSET(PT_R1, pt_regs, regs[1]); 26 OFFSET(PT_R2, pt_regs, regs[2]); 27 OFFSET(PT_R3, pt_regs, regs[3]); 28 OFFSET(PT_R4, pt_regs, regs[4]); 29 OFFSET(PT_R5, pt_regs, regs[5]); 30 OFFSET(PT_R6, pt_regs, regs[6]); 31 OFFSET(PT_R7, pt_regs, regs[7]); 32 OFFSET(PT_R8, pt_regs, regs[8]); 33 OFFSET(PT_R9, pt_regs, regs[9]); 34 OFFSET(PT_R10, pt_regs, regs[10]); 35 OFFSET(PT_R11, pt_regs, regs[11]); 36 OFFSET(PT_R12, pt_regs, regs[12]); 37 OFFSET(PT_R13, pt_regs, regs[13]); 38 OFFSET(PT_R14, pt_regs, regs[14]); 39 OFFSET(PT_R15, pt_regs, regs[15]); 40 OFFSET(PT_R16, pt_regs, regs[16]); 41 OFFSET(PT_R17, pt_regs, regs[17]); 42 OFFSET(PT_R18, pt_regs, regs[18]); 43 OFFSET(PT_R19, pt_regs, regs[19]); 44 OFFSET(PT_R20, pt_regs, regs[20]); 45 OFFSET(PT_R21, pt_regs, regs[21]); 46 OFFSET(PT_R22, pt_regs, regs[22]); 47 OFFSET(PT_R23, pt_regs, regs[23]); 48 OFFSET(PT_R24, pt_regs, regs[24]); 49 OFFSET(PT_R25, pt_regs, regs[25]); 50 OFFSET(PT_R26, pt_regs, regs[26]); 51 OFFSET(PT_R27, pt_regs, regs[27]); 52 OFFSET(PT_R28, pt_regs, regs[28]); 53 OFFSET(PT_R29, pt_regs, regs[29]); 54 OFFSET(PT_R30, pt_regs, regs[30]); 55 OFFSET(PT_R31, pt_regs, regs[31]); 56 OFFSET(PT_LO, pt_regs, lo); 57 OFFSET(PT_HI, pt_regs, hi); 58#ifdef CONFIG_CPU_HAS_SMARTMIPS 59 OFFSET(PT_ACX, pt_regs, acx); 60#endif 61 OFFSET(PT_EPC, pt_regs, cp0_epc); 62 OFFSET(PT_BVADDR, pt_regs, cp0_badvaddr); 63 OFFSET(PT_STATUS, pt_regs, cp0_status); 64 OFFSET(PT_CAUSE, pt_regs, cp0_cause); 65#ifdef CONFIG_MIPS_MT_SMTC 66 OFFSET(PT_TCSTATUS, pt_regs, cp0_tcstatus); 67#endif /* CONFIG_MIPS_MT_SMTC */ 68#ifdef CONFIG_CPU_CAVIUM_OCTEON 69 OFFSET(PT_MPL, pt_regs, mpl); 70 OFFSET(PT_MTP, pt_regs, mtp); 71#endif /* CONFIG_CPU_CAVIUM_OCTEON */ 72 DEFINE(PT_SIZE, sizeof(struct pt_regs)); 73 BLANK(); 74} 75 76void output_task_defines(void) 77{ 78 COMMENT("MIPS task_struct offsets."); 79 OFFSET(TASK_STATE, task_struct, state); 80 OFFSET(TASK_THREAD_INFO, task_struct, stack); 81 OFFSET(TASK_FLAGS, task_struct, flags); 82 OFFSET(TASK_MM, task_struct, mm); 83 OFFSET(TASK_PID, task_struct, pid); 84 DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct)); 85 BLANK(); 86} 87 88void output_thread_info_defines(void) 89{ 90 COMMENT("MIPS thread_info offsets."); 91 OFFSET(TI_TASK, thread_info, task); 92 OFFSET(TI_EXEC_DOMAIN, thread_info, exec_domain); 93 OFFSET(TI_FLAGS, thread_info, flags); 94 OFFSET(TI_TP_VALUE, thread_info, tp_value); 95 OFFSET(TI_CPU, thread_info, cpu); 96 OFFSET(TI_PRE_COUNT, thread_info, preempt_count); 97 OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit); 98 OFFSET(TI_RESTART_BLOCK, thread_info, restart_block); 99 OFFSET(TI_REGS, thread_info, regs); 100 DEFINE(_THREAD_SIZE, THREAD_SIZE); 101 DEFINE(_THREAD_MASK, THREAD_MASK); 102 BLANK(); 103} 104 105void output_thread_defines(void) 106{ 107 COMMENT("MIPS specific thread_struct offsets."); 108 OFFSET(THREAD_REG16, task_struct, thread.reg16); 109 OFFSET(THREAD_REG17, task_struct, thread.reg17); 110 OFFSET(THREAD_REG18, task_struct, thread.reg18); 111 OFFSET(THREAD_REG19, task_struct, thread.reg19); 112 OFFSET(THREAD_REG20, task_struct, thread.reg20); 113 OFFSET(THREAD_REG21, task_struct, thread.reg21); 114 OFFSET(THREAD_REG22, task_struct, thread.reg22); 115 OFFSET(THREAD_REG23, task_struct, thread.reg23); 116 OFFSET(THREAD_REG29, task_struct, thread.reg29); 117 OFFSET(THREAD_REG30, task_struct, thread.reg30); 118 OFFSET(THREAD_REG31, task_struct, thread.reg31); 119 OFFSET(THREAD_STATUS, task_struct, 120 thread.cp0_status); 121 OFFSET(THREAD_FPU, task_struct, thread.fpu); 122 123 OFFSET(THREAD_BVADDR, task_struct, \ 124 thread.cp0_badvaddr); 125 OFFSET(THREAD_BUADDR, task_struct, \ 126 thread.cp0_baduaddr); 127 OFFSET(THREAD_ECODE, task_struct, \ 128 thread.error_code); 129 OFFSET(THREAD_TRAMP, task_struct, \ 130 thread.irix_trampoline); 131 OFFSET(THREAD_OLDCTX, task_struct, \ 132 thread.irix_oldctx); 133 BLANK(); 134} 135 136void output_thread_fpu_defines(void) 137{ 138 OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]); 139 OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]); 140 OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]); 141 OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]); 142 OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]); 143 OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]); 144 OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]); 145 OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]); 146 OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]); 147 OFFSET(THREAD_FPR9, task_struct, thread.fpu.fpr[9]); 148 OFFSET(THREAD_FPR10, task_struct, thread.fpu.fpr[10]); 149 OFFSET(THREAD_FPR11, task_struct, thread.fpu.fpr[11]); 150 OFFSET(THREAD_FPR12, task_struct, thread.fpu.fpr[12]); 151 OFFSET(THREAD_FPR13, task_struct, thread.fpu.fpr[13]); 152 OFFSET(THREAD_FPR14, task_struct, thread.fpu.fpr[14]); 153 OFFSET(THREAD_FPR15, task_struct, thread.fpu.fpr[15]); 154 OFFSET(THREAD_FPR16, task_struct, thread.fpu.fpr[16]); 155 OFFSET(THREAD_FPR17, task_struct, thread.fpu.fpr[17]); 156 OFFSET(THREAD_FPR18, task_struct, thread.fpu.fpr[18]); 157 OFFSET(THREAD_FPR19, task_struct, thread.fpu.fpr[19]); 158 OFFSET(THREAD_FPR20, task_struct, thread.fpu.fpr[20]); 159 OFFSET(THREAD_FPR21, task_struct, thread.fpu.fpr[21]); 160 OFFSET(THREAD_FPR22, task_struct, thread.fpu.fpr[22]); 161 OFFSET(THREAD_FPR23, task_struct, thread.fpu.fpr[23]); 162 OFFSET(THREAD_FPR24, task_struct, thread.fpu.fpr[24]); 163 OFFSET(THREAD_FPR25, task_struct, thread.fpu.fpr[25]); 164 OFFSET(THREAD_FPR26, task_struct, thread.fpu.fpr[26]); 165 OFFSET(THREAD_FPR27, task_struct, thread.fpu.fpr[27]); 166 OFFSET(THREAD_FPR28, task_struct, thread.fpu.fpr[28]); 167 OFFSET(THREAD_FPR29, task_struct, thread.fpu.fpr[29]); 168 OFFSET(THREAD_FPR30, task_struct, thread.fpu.fpr[30]); 169 OFFSET(THREAD_FPR31, task_struct, thread.fpu.fpr[31]); 170 171 OFFSET(THREAD_FCR31, task_struct, thread.fpu.fcr31); 172 BLANK(); 173} 174 175void output_mm_defines(void) 176{ 177 COMMENT("Size of struct page"); 178 DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page)); 179 BLANK(); 180 COMMENT("Linux mm_struct offsets."); 181 OFFSET(MM_USERS, mm_struct, mm_users); 182 OFFSET(MM_PGD, mm_struct, pgd); 183 OFFSET(MM_CONTEXT, mm_struct, context); 184 BLANK(); 185 DEFINE(_PGD_T_SIZE, sizeof(pgd_t)); 186 DEFINE(_PMD_T_SIZE, sizeof(pmd_t)); 187 DEFINE(_PTE_T_SIZE, sizeof(pte_t)); 188 BLANK(); 189 DEFINE(_PGD_T_LOG2, PGD_T_LOG2); 190#ifndef __PAGETABLE_PMD_FOLDED 191 DEFINE(_PMD_T_LOG2, PMD_T_LOG2); 192#endif 193 DEFINE(_PTE_T_LOG2, PTE_T_LOG2); 194 BLANK(); 195 DEFINE(_PGD_ORDER, PGD_ORDER); 196#ifndef __PAGETABLE_PMD_FOLDED 197 DEFINE(_PMD_ORDER, PMD_ORDER); 198#endif 199 DEFINE(_PTE_ORDER, PTE_ORDER); 200 BLANK(); 201 DEFINE(_PMD_SHIFT, PMD_SHIFT); 202 DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT); 203 BLANK(); 204 DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD); 205 DEFINE(_PTRS_PER_PMD, PTRS_PER_PMD); 206 DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE); 207 BLANK(); 208} 209 210#ifdef CONFIG_32BIT 211void output_sc_defines(void) 212{ 213 COMMENT("Linux sigcontext offsets."); 214 OFFSET(SC_REGS, sigcontext, sc_regs); 215 OFFSET(SC_FPREGS, sigcontext, sc_fpregs); 216 OFFSET(SC_ACX, sigcontext, sc_acx); 217 OFFSET(SC_MDHI, sigcontext, sc_mdhi); 218 OFFSET(SC_MDLO, sigcontext, sc_mdlo); 219 OFFSET(SC_PC, sigcontext, sc_pc); 220 OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr); 221 OFFSET(SC_FPC_EIR, sigcontext, sc_fpc_eir); 222 OFFSET(SC_HI1, sigcontext, sc_hi1); 223 OFFSET(SC_LO1, sigcontext, sc_lo1); 224 OFFSET(SC_HI2, sigcontext, sc_hi2); 225 OFFSET(SC_LO2, sigcontext, sc_lo2); 226 OFFSET(SC_HI3, sigcontext, sc_hi3); 227 OFFSET(SC_LO3, sigcontext, sc_lo3); 228 BLANK(); 229} 230#endif 231 232#ifdef CONFIG_64BIT 233void output_sc_defines(void) 234{ 235 COMMENT("Linux sigcontext offsets."); 236 OFFSET(SC_REGS, sigcontext, sc_regs); 237 OFFSET(SC_FPREGS, sigcontext, sc_fpregs); 238 OFFSET(SC_MDHI, sigcontext, sc_mdhi); 239 OFFSET(SC_MDLO, sigcontext, sc_mdlo); 240 OFFSET(SC_PC, sigcontext, sc_pc); 241 OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr); 242 BLANK(); 243} 244#endif 245 246#ifdef CONFIG_MIPS32_COMPAT 247void output_sc32_defines(void) 248{ 249 COMMENT("Linux 32-bit sigcontext offsets."); 250 OFFSET(SC32_FPREGS, sigcontext32, sc_fpregs); 251 OFFSET(SC32_FPC_CSR, sigcontext32, sc_fpc_csr); 252 OFFSET(SC32_FPC_EIR, sigcontext32, sc_fpc_eir); 253 BLANK(); 254} 255#endif 256 257void output_signal_defined(void) 258{ 259 COMMENT("Linux signal numbers."); 260 DEFINE(_SIGHUP, SIGHUP); 261 DEFINE(_SIGINT, SIGINT); 262 DEFINE(_SIGQUIT, SIGQUIT); 263 DEFINE(_SIGILL, SIGILL); 264 DEFINE(_SIGTRAP, SIGTRAP); 265 DEFINE(_SIGIOT, SIGIOT); 266 DEFINE(_SIGABRT, SIGABRT); 267 DEFINE(_SIGEMT, SIGEMT); 268 DEFINE(_SIGFPE, SIGFPE); 269 DEFINE(_SIGKILL, SIGKILL); 270 DEFINE(_SIGBUS, SIGBUS); 271 DEFINE(_SIGSEGV, SIGSEGV); 272 DEFINE(_SIGSYS, SIGSYS); 273 DEFINE(_SIGPIPE, SIGPIPE); 274 DEFINE(_SIGALRM, SIGALRM); 275 DEFINE(_SIGTERM, SIGTERM); 276 DEFINE(_SIGUSR1, SIGUSR1); 277 DEFINE(_SIGUSR2, SIGUSR2); 278 DEFINE(_SIGCHLD, SIGCHLD); 279 DEFINE(_SIGPWR, SIGPWR); 280 DEFINE(_SIGWINCH, SIGWINCH); 281 DEFINE(_SIGURG, SIGURG); 282 DEFINE(_SIGIO, SIGIO); 283 DEFINE(_SIGSTOP, SIGSTOP); 284 DEFINE(_SIGTSTP, SIGTSTP); 285 DEFINE(_SIGCONT, SIGCONT); 286 DEFINE(_SIGTTIN, SIGTTIN); 287 DEFINE(_SIGTTOU, SIGTTOU); 288 DEFINE(_SIGVTALRM, SIGVTALRM); 289 DEFINE(_SIGPROF, SIGPROF); 290 DEFINE(_SIGXCPU, SIGXCPU); 291 DEFINE(_SIGXFSZ, SIGXFSZ); 292 BLANK(); 293} 294 295void output_irq_cpustat_t_defines(void) 296{ 297 COMMENT("Linux irq_cpustat_t offsets."); 298 DEFINE(IC_SOFTIRQ_PENDING, 299 offsetof(irq_cpustat_t, __softirq_pending)); 300 DEFINE(IC_IRQ_CPUSTAT_T, sizeof(irq_cpustat_t)); 301 BLANK(); 302} 303 304#ifdef CONFIG_CPU_CAVIUM_OCTEON 305void output_octeon_cop2_state_defines(void) 306{ 307 COMMENT("Octeon specific octeon_cop2_state offsets."); 308 OFFSET(OCTEON_CP2_CRC_IV, octeon_cop2_state, cop2_crc_iv); 309 OFFSET(OCTEON_CP2_CRC_LENGTH, octeon_cop2_state, cop2_crc_length); 310 OFFSET(OCTEON_CP2_CRC_POLY, octeon_cop2_state, cop2_crc_poly); 311 OFFSET(OCTEON_CP2_LLM_DAT, octeon_cop2_state, cop2_llm_dat); 312 OFFSET(OCTEON_CP2_3DES_IV, octeon_cop2_state, cop2_3des_iv); 313 OFFSET(OCTEON_CP2_3DES_KEY, octeon_cop2_state, cop2_3des_key); 314 OFFSET(OCTEON_CP2_3DES_RESULT, octeon_cop2_state, cop2_3des_result); 315 OFFSET(OCTEON_CP2_AES_INP0, octeon_cop2_state, cop2_aes_inp0); 316 OFFSET(OCTEON_CP2_AES_IV, octeon_cop2_state, cop2_aes_iv); 317 OFFSET(OCTEON_CP2_AES_KEY, octeon_cop2_state, cop2_aes_key); 318 OFFSET(OCTEON_CP2_AES_KEYLEN, octeon_cop2_state, cop2_aes_keylen); 319 OFFSET(OCTEON_CP2_AES_RESULT, octeon_cop2_state, cop2_aes_result); 320 OFFSET(OCTEON_CP2_GFM_MULT, octeon_cop2_state, cop2_gfm_mult); 321 OFFSET(OCTEON_CP2_GFM_POLY, octeon_cop2_state, cop2_gfm_poly); 322 OFFSET(OCTEON_CP2_GFM_RESULT, octeon_cop2_state, cop2_gfm_result); 323 OFFSET(OCTEON_CP2_HSH_DATW, octeon_cop2_state, cop2_hsh_datw); 324 OFFSET(OCTEON_CP2_HSH_IVW, octeon_cop2_state, cop2_hsh_ivw); 325 OFFSET(THREAD_CP2, task_struct, thread.cp2); 326 OFFSET(THREAD_CVMSEG, task_struct, thread.cvmseg.cvmseg); 327 BLANK(); 328} 329#endif 330 331#ifdef CONFIG_HIBERNATION 332void output_pbe_defines(void) 333{ 334 COMMENT(" Linux struct pbe offsets. "); 335 OFFSET(PBE_ADDRESS, pbe, address); 336 OFFSET(PBE_ORIG_ADDRESS, pbe, orig_address); 337 OFFSET(PBE_NEXT, pbe, next); 338 DEFINE(PBE_SIZE, sizeof(struct pbe)); 339 BLANK(); 340} 341#endif 342