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 <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 DEFINE(PT_SIZE, sizeof(struct pt_regs)); 68 BLANK(); 69 } 70 71 void output_task_defines(void) 72 { 73 COMMENT("MIPS task_struct offsets."); 74 OFFSET(TASK_STATE, task_struct, state); 75 OFFSET(TASK_THREAD_INFO, task_struct, stack); 76 OFFSET(TASK_FLAGS, task_struct, flags); 77 OFFSET(TASK_MM, task_struct, mm); 78 OFFSET(TASK_PID, task_struct, pid); 79 DEFINE(TASK_STRUCT_SIZE, sizeof(struct task_struct)); 80 BLANK(); 81 } 82 83 void output_thread_info_defines(void) 84 { 85 COMMENT("MIPS thread_info offsets."); 86 OFFSET(TI_TASK, thread_info, task); 87 OFFSET(TI_EXEC_DOMAIN, thread_info, exec_domain); 88 OFFSET(TI_FLAGS, thread_info, flags); 89 OFFSET(TI_TP_VALUE, thread_info, tp_value); 90 OFFSET(TI_CPU, thread_info, cpu); 91 OFFSET(TI_PRE_COUNT, thread_info, preempt_count); 92 OFFSET(TI_ADDR_LIMIT, thread_info, addr_limit); 93 OFFSET(TI_RESTART_BLOCK, thread_info, restart_block); 94 OFFSET(TI_REGS, thread_info, regs); 95 DEFINE(_THREAD_SIZE, THREAD_SIZE); 96 DEFINE(_THREAD_MASK, THREAD_MASK); 97 BLANK(); 98 } 99 100 void output_thread_defines(void) 101 { 102 COMMENT("MIPS specific thread_struct offsets."); 103 OFFSET(THREAD_REG16, task_struct, thread.reg16); 104 OFFSET(THREAD_REG17, task_struct, thread.reg17); 105 OFFSET(THREAD_REG18, task_struct, thread.reg18); 106 OFFSET(THREAD_REG19, task_struct, thread.reg19); 107 OFFSET(THREAD_REG20, task_struct, thread.reg20); 108 OFFSET(THREAD_REG21, task_struct, thread.reg21); 109 OFFSET(THREAD_REG22, task_struct, thread.reg22); 110 OFFSET(THREAD_REG23, task_struct, thread.reg23); 111 OFFSET(THREAD_REG29, task_struct, thread.reg29); 112 OFFSET(THREAD_REG30, task_struct, thread.reg30); 113 OFFSET(THREAD_REG31, task_struct, thread.reg31); 114 OFFSET(THREAD_STATUS, task_struct, 115 thread.cp0_status); 116 OFFSET(THREAD_FPU, task_struct, thread.fpu); 117 118 OFFSET(THREAD_BVADDR, task_struct, \ 119 thread.cp0_badvaddr); 120 OFFSET(THREAD_BUADDR, task_struct, \ 121 thread.cp0_baduaddr); 122 OFFSET(THREAD_ECODE, task_struct, \ 123 thread.error_code); 124 OFFSET(THREAD_TRAPNO, task_struct, thread.trap_no); 125 OFFSET(THREAD_TRAMP, task_struct, \ 126 thread.irix_trampoline); 127 OFFSET(THREAD_OLDCTX, task_struct, \ 128 thread.irix_oldctx); 129 BLANK(); 130 } 131 132 void output_thread_fpu_defines(void) 133 { 134 OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]); 135 OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]); 136 OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]); 137 OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]); 138 OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]); 139 OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]); 140 OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]); 141 OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]); 142 OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]); 143 OFFSET(THREAD_FPR9, task_struct, thread.fpu.fpr[9]); 144 OFFSET(THREAD_FPR10, task_struct, thread.fpu.fpr[10]); 145 OFFSET(THREAD_FPR11, task_struct, thread.fpu.fpr[11]); 146 OFFSET(THREAD_FPR12, task_struct, thread.fpu.fpr[12]); 147 OFFSET(THREAD_FPR13, task_struct, thread.fpu.fpr[13]); 148 OFFSET(THREAD_FPR14, task_struct, thread.fpu.fpr[14]); 149 OFFSET(THREAD_FPR15, task_struct, thread.fpu.fpr[15]); 150 OFFSET(THREAD_FPR16, task_struct, thread.fpu.fpr[16]); 151 OFFSET(THREAD_FPR17, task_struct, thread.fpu.fpr[17]); 152 OFFSET(THREAD_FPR18, task_struct, thread.fpu.fpr[18]); 153 OFFSET(THREAD_FPR19, task_struct, thread.fpu.fpr[19]); 154 OFFSET(THREAD_FPR20, task_struct, thread.fpu.fpr[20]); 155 OFFSET(THREAD_FPR21, task_struct, thread.fpu.fpr[21]); 156 OFFSET(THREAD_FPR22, task_struct, thread.fpu.fpr[22]); 157 OFFSET(THREAD_FPR23, task_struct, thread.fpu.fpr[23]); 158 OFFSET(THREAD_FPR24, task_struct, thread.fpu.fpr[24]); 159 OFFSET(THREAD_FPR25, task_struct, thread.fpu.fpr[25]); 160 OFFSET(THREAD_FPR26, task_struct, thread.fpu.fpr[26]); 161 OFFSET(THREAD_FPR27, task_struct, thread.fpu.fpr[27]); 162 OFFSET(THREAD_FPR28, task_struct, thread.fpu.fpr[28]); 163 OFFSET(THREAD_FPR29, task_struct, thread.fpu.fpr[29]); 164 OFFSET(THREAD_FPR30, task_struct, thread.fpu.fpr[30]); 165 OFFSET(THREAD_FPR31, task_struct, thread.fpu.fpr[31]); 166 167 OFFSET(THREAD_FCR31, task_struct, thread.fpu.fcr31); 168 BLANK(); 169 } 170 171 void output_mm_defines(void) 172 { 173 COMMENT("Size of struct page"); 174 DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page)); 175 BLANK(); 176 COMMENT("Linux mm_struct offsets."); 177 OFFSET(MM_USERS, mm_struct, mm_users); 178 OFFSET(MM_PGD, mm_struct, pgd); 179 OFFSET(MM_CONTEXT, mm_struct, context); 180 BLANK(); 181 DEFINE(_PAGE_SIZE, PAGE_SIZE); 182 DEFINE(_PAGE_SHIFT, PAGE_SHIFT); 183 BLANK(); 184 DEFINE(_PGD_T_SIZE, sizeof(pgd_t)); 185 DEFINE(_PMD_T_SIZE, sizeof(pmd_t)); 186 DEFINE(_PTE_T_SIZE, sizeof(pte_t)); 187 BLANK(); 188 DEFINE(_PGD_T_LOG2, PGD_T_LOG2); 189 DEFINE(_PMD_T_LOG2, PMD_T_LOG2); 190 DEFINE(_PTE_T_LOG2, PTE_T_LOG2); 191 BLANK(); 192 DEFINE(_PGD_ORDER, PGD_ORDER); 193 DEFINE(_PMD_ORDER, PMD_ORDER); 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 } 204 205 #ifdef CONFIG_32BIT 206 void output_sc_defines(void) 207 { 208 COMMENT("Linux sigcontext offsets."); 209 OFFSET(SC_REGS, sigcontext, sc_regs); 210 OFFSET(SC_FPREGS, sigcontext, sc_fpregs); 211 OFFSET(SC_ACX, sigcontext, sc_acx); 212 OFFSET(SC_MDHI, sigcontext, sc_mdhi); 213 OFFSET(SC_MDLO, sigcontext, sc_mdlo); 214 OFFSET(SC_PC, sigcontext, sc_pc); 215 OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr); 216 OFFSET(SC_FPC_EIR, sigcontext, sc_fpc_eir); 217 OFFSET(SC_HI1, sigcontext, sc_hi1); 218 OFFSET(SC_LO1, sigcontext, sc_lo1); 219 OFFSET(SC_HI2, sigcontext, sc_hi2); 220 OFFSET(SC_LO2, sigcontext, sc_lo2); 221 OFFSET(SC_HI3, sigcontext, sc_hi3); 222 OFFSET(SC_LO3, sigcontext, sc_lo3); 223 BLANK(); 224 } 225 #endif 226 227 #ifdef CONFIG_64BIT 228 void output_sc_defines(void) 229 { 230 COMMENT("Linux sigcontext offsets."); 231 OFFSET(SC_REGS, sigcontext, sc_regs); 232 OFFSET(SC_FPREGS, sigcontext, sc_fpregs); 233 OFFSET(SC_MDHI, sigcontext, sc_mdhi); 234 OFFSET(SC_MDLO, sigcontext, sc_mdlo); 235 OFFSET(SC_PC, sigcontext, sc_pc); 236 OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr); 237 BLANK(); 238 } 239 #endif 240 241 #ifdef CONFIG_MIPS32_COMPAT 242 void output_sc32_defines(void) 243 { 244 COMMENT("Linux 32-bit sigcontext offsets."); 245 OFFSET(SC32_FPREGS, sigcontext32, sc_fpregs); 246 OFFSET(SC32_FPC_CSR, sigcontext32, sc_fpc_csr); 247 OFFSET(SC32_FPC_EIR, sigcontext32, sc_fpc_eir); 248 BLANK(); 249 } 250 #endif 251 252 void output_signal_defined(void) 253 { 254 COMMENT("Linux signal numbers."); 255 DEFINE(_SIGHUP, SIGHUP); 256 DEFINE(_SIGINT, SIGINT); 257 DEFINE(_SIGQUIT, SIGQUIT); 258 DEFINE(_SIGILL, SIGILL); 259 DEFINE(_SIGTRAP, SIGTRAP); 260 DEFINE(_SIGIOT, SIGIOT); 261 DEFINE(_SIGABRT, SIGABRT); 262 DEFINE(_SIGEMT, SIGEMT); 263 DEFINE(_SIGFPE, SIGFPE); 264 DEFINE(_SIGKILL, SIGKILL); 265 DEFINE(_SIGBUS, SIGBUS); 266 DEFINE(_SIGSEGV, SIGSEGV); 267 DEFINE(_SIGSYS, SIGSYS); 268 DEFINE(_SIGPIPE, SIGPIPE); 269 DEFINE(_SIGALRM, SIGALRM); 270 DEFINE(_SIGTERM, SIGTERM); 271 DEFINE(_SIGUSR1, SIGUSR1); 272 DEFINE(_SIGUSR2, SIGUSR2); 273 DEFINE(_SIGCHLD, SIGCHLD); 274 DEFINE(_SIGPWR, SIGPWR); 275 DEFINE(_SIGWINCH, SIGWINCH); 276 DEFINE(_SIGURG, SIGURG); 277 DEFINE(_SIGIO, SIGIO); 278 DEFINE(_SIGSTOP, SIGSTOP); 279 DEFINE(_SIGTSTP, SIGTSTP); 280 DEFINE(_SIGCONT, SIGCONT); 281 DEFINE(_SIGTTIN, SIGTTIN); 282 DEFINE(_SIGTTOU, SIGTTOU); 283 DEFINE(_SIGVTALRM, SIGVTALRM); 284 DEFINE(_SIGPROF, SIGPROF); 285 DEFINE(_SIGXCPU, SIGXCPU); 286 DEFINE(_SIGXFSZ, SIGXFSZ); 287 BLANK(); 288 } 289 290 void output_irq_cpustat_t_defines(void) 291 { 292 COMMENT("Linux irq_cpustat_t offsets."); 293 DEFINE(IC_SOFTIRQ_PENDING, 294 offsetof(irq_cpustat_t, __softirq_pending)); 295 DEFINE(IC_IRQ_CPUSTAT_T, sizeof(irq_cpustat_t)); 296 BLANK(); 297 } 298