arch/mips/kernel/asm-offsets.c

   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
  21 void 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
  76 void 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
  88 void 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
 105 void 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_TRAPNO, task_struct, thread.trap_no);
 130         OFFSET(THREAD_TRAMP, task_struct, \
 131                thread.irix_trampoline);
 132         OFFSET(THREAD_OLDCTX, task_struct, \
 133                thread.irix_oldctx);
 134         BLANK();
 135 }
 136
 137 void output_thread_fpu_defines(void)
 138 {
 139         OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]);
 140         OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]);
 141         OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]);
 142         OFFSET(THREAD_FPR3, task_struct, thread.fpu.fpr[3]);
 143         OFFSET(THREAD_FPR4, task_struct, thread.fpu.fpr[4]);
 144         OFFSET(THREAD_FPR5, task_struct, thread.fpu.fpr[5]);
 145         OFFSET(THREAD_FPR6, task_struct, thread.fpu.fpr[6]);
 146         OFFSET(THREAD_FPR7, task_struct, thread.fpu.fpr[7]);
 147         OFFSET(THREAD_FPR8, task_struct, thread.fpu.fpr[8]);
 148         OFFSET(THREAD_FPR9, task_struct, thread.fpu.fpr[9]);
 149         OFFSET(THREAD_FPR10, task_struct, thread.fpu.fpr[10]);
 150         OFFSET(THREAD_FPR11, task_struct, thread.fpu.fpr[11]);
 151         OFFSET(THREAD_FPR12, task_struct, thread.fpu.fpr[12]);
 152         OFFSET(THREAD_FPR13, task_struct, thread.fpu.fpr[13]);
 153         OFFSET(THREAD_FPR14, task_struct, thread.fpu.fpr[14]);
 154         OFFSET(THREAD_FPR15, task_struct, thread.fpu.fpr[15]);
 155         OFFSET(THREAD_FPR16, task_struct, thread.fpu.fpr[16]);
 156         OFFSET(THREAD_FPR17, task_struct, thread.fpu.fpr[17]);
 157         OFFSET(THREAD_FPR18, task_struct, thread.fpu.fpr[18]);
 158         OFFSET(THREAD_FPR19, task_struct, thread.fpu.fpr[19]);
 159         OFFSET(THREAD_FPR20, task_struct, thread.fpu.fpr[20]);
 160         OFFSET(THREAD_FPR21, task_struct, thread.fpu.fpr[21]);
 161         OFFSET(THREAD_FPR22, task_struct, thread.fpu.fpr[22]);
 162         OFFSET(THREAD_FPR23, task_struct, thread.fpu.fpr[23]);
 163         OFFSET(THREAD_FPR24, task_struct, thread.fpu.fpr[24]);
 164         OFFSET(THREAD_FPR25, task_struct, thread.fpu.fpr[25]);
 165         OFFSET(THREAD_FPR26, task_struct, thread.fpu.fpr[26]);
 166         OFFSET(THREAD_FPR27, task_struct, thread.fpu.fpr[27]);
 167         OFFSET(THREAD_FPR28, task_struct, thread.fpu.fpr[28]);
 168         OFFSET(THREAD_FPR29, task_struct, thread.fpu.fpr[29]);
 169         OFFSET(THREAD_FPR30, task_struct, thread.fpu.fpr[30]);
 170         OFFSET(THREAD_FPR31, task_struct, thread.fpu.fpr[31]);
 171
 172         OFFSET(THREAD_FCR31, task_struct, thread.fpu.fcr31);
 173         BLANK();
 174 }
 175
 176 void output_mm_defines(void)
 177 {
 178         COMMENT("Size of struct page");
 179         DEFINE(STRUCT_PAGE_SIZE, sizeof(struct page));
 180         BLANK();
 181         COMMENT("Linux mm_struct offsets.");
 182         OFFSET(MM_USERS, mm_struct, mm_users);
 183         OFFSET(MM_PGD, mm_struct, pgd);
 184         OFFSET(MM_CONTEXT, mm_struct, context);
 185         BLANK();
 186         DEFINE(_PGD_T_SIZE, sizeof(pgd_t));
 187         DEFINE(_PMD_T_SIZE, sizeof(pmd_t));
 188         DEFINE(_PTE_T_SIZE, sizeof(pte_t));
 189         BLANK();
 190         DEFINE(_PGD_T_LOG2, PGD_T_LOG2);
 191         DEFINE(_PMD_T_LOG2, PMD_T_LOG2);
 192         DEFINE(_PTE_T_LOG2, PTE_T_LOG2);
 193         BLANK();
 194         DEFINE(_PGD_ORDER, PGD_ORDER);
 195         DEFINE(_PMD_ORDER, PMD_ORDER);
 196         DEFINE(_PTE_ORDER, PTE_ORDER);
 197         BLANK();
 198         DEFINE(_PMD_SHIFT, PMD_SHIFT);
 199         DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT);
 200         BLANK();
 201         DEFINE(_PTRS_PER_PGD, PTRS_PER_PGD);
 202         DEFINE(_PTRS_PER_PMD, PTRS_PER_PMD);
 203         DEFINE(_PTRS_PER_PTE, PTRS_PER_PTE);
 204         BLANK();
 205 }
 206
 207 #ifdef CONFIG_32BIT
 208 void output_sc_defines(void)
 209 {
 210         COMMENT("Linux sigcontext offsets.");
 211         OFFSET(SC_REGS, sigcontext, sc_regs);
 212         OFFSET(SC_FPREGS, sigcontext, sc_fpregs);
 213         OFFSET(SC_ACX, sigcontext, sc_acx);
 214         OFFSET(SC_MDHI, sigcontext, sc_mdhi);
 215         OFFSET(SC_MDLO, sigcontext, sc_mdlo);
 216         OFFSET(SC_PC, sigcontext, sc_pc);
 217         OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr);
 218         OFFSET(SC_FPC_EIR, sigcontext, sc_fpc_eir);
 219         OFFSET(SC_HI1, sigcontext, sc_hi1);
 220         OFFSET(SC_LO1, sigcontext, sc_lo1);
 221         OFFSET(SC_HI2, sigcontext, sc_hi2);
 222         OFFSET(SC_LO2, sigcontext, sc_lo2);
 223         OFFSET(SC_HI3, sigcontext, sc_hi3);
 224         OFFSET(SC_LO3, sigcontext, sc_lo3);
 225         BLANK();
 226 }
 227 #endif
 228
 229 #ifdef CONFIG_64BIT
 230 void output_sc_defines(void)
 231 {
 232         COMMENT("Linux sigcontext offsets.");
 233         OFFSET(SC_REGS, sigcontext, sc_regs);
 234         OFFSET(SC_FPREGS, sigcontext, sc_fpregs);
 235         OFFSET(SC_MDHI, sigcontext, sc_mdhi);
 236         OFFSET(SC_MDLO, sigcontext, sc_mdlo);
 237         OFFSET(SC_PC, sigcontext, sc_pc);
 238         OFFSET(SC_FPC_CSR, sigcontext, sc_fpc_csr);
 239         BLANK();
 240 }
 241 #endif
 242
 243 #ifdef CONFIG_MIPS32_COMPAT
 244 void output_sc32_defines(void)
 245 {
 246         COMMENT("Linux 32-bit sigcontext offsets.");
 247         OFFSET(SC32_FPREGS, sigcontext32, sc_fpregs);
 248         OFFSET(SC32_FPC_CSR, sigcontext32, sc_fpc_csr);
 249         OFFSET(SC32_FPC_EIR, sigcontext32, sc_fpc_eir);
 250         BLANK();
 251 }
 252 #endif
 253
 254 void output_signal_defined(void)
 255 {
 256         COMMENT("Linux signal numbers.");
 257         DEFINE(_SIGHUP, SIGHUP);
 258         DEFINE(_SIGINT, SIGINT);
 259         DEFINE(_SIGQUIT, SIGQUIT);
 260         DEFINE(_SIGILL, SIGILL);
 261         DEFINE(_SIGTRAP, SIGTRAP);
 262         DEFINE(_SIGIOT, SIGIOT);
 263         DEFINE(_SIGABRT, SIGABRT);
 264         DEFINE(_SIGEMT, SIGEMT);
 265         DEFINE(_SIGFPE, SIGFPE);
 266         DEFINE(_SIGKILL, SIGKILL);
 267         DEFINE(_SIGBUS, SIGBUS);
 268         DEFINE(_SIGSEGV, SIGSEGV);
 269         DEFINE(_SIGSYS, SIGSYS);
 270         DEFINE(_SIGPIPE, SIGPIPE);
 271         DEFINE(_SIGALRM, SIGALRM);
 272         DEFINE(_SIGTERM, SIGTERM);
 273         DEFINE(_SIGUSR1, SIGUSR1);
 274         DEFINE(_SIGUSR2, SIGUSR2);
 275         DEFINE(_SIGCHLD, SIGCHLD);
 276         DEFINE(_SIGPWR, SIGPWR);
 277         DEFINE(_SIGWINCH, SIGWINCH);
 278         DEFINE(_SIGURG, SIGURG);
 279         DEFINE(_SIGIO, SIGIO);
 280         DEFINE(_SIGSTOP, SIGSTOP);
 281         DEFINE(_SIGTSTP, SIGTSTP);
 282         DEFINE(_SIGCONT, SIGCONT);
 283         DEFINE(_SIGTTIN, SIGTTIN);
 284         DEFINE(_SIGTTOU, SIGTTOU);
 285         DEFINE(_SIGVTALRM, SIGVTALRM);
 286         DEFINE(_SIGPROF, SIGPROF);
 287         DEFINE(_SIGXCPU, SIGXCPU);
 288         DEFINE(_SIGXFSZ, SIGXFSZ);
 289         BLANK();
 290 }
 291
 292 void output_irq_cpustat_t_defines(void)
 293 {
 294         COMMENT("Linux irq_cpustat_t offsets.");
 295         DEFINE(IC_SOFTIRQ_PENDING,
 296                         offsetof(irq_cpustat_t, __softirq_pending));
 297         DEFINE(IC_IRQ_CPUSTAT_T, sizeof(irq_cpustat_t));
 298         BLANK();
 299 }
 300
 301 #ifdef CONFIG_CPU_CAVIUM_OCTEON
 302 void output_octeon_cop2_state_defines(void)
 303 {
 304         COMMENT("Octeon specific octeon_cop2_state offsets.");
 305         OFFSET(OCTEON_CP2_CRC_IV,       octeon_cop2_state, cop2_crc_iv);
 306         OFFSET(OCTEON_CP2_CRC_LENGTH,   octeon_cop2_state, cop2_crc_length);
 307         OFFSET(OCTEON_CP2_CRC_POLY,     octeon_cop2_state, cop2_crc_poly);
 308         OFFSET(OCTEON_CP2_LLM_DAT,      octeon_cop2_state, cop2_llm_dat);
 309         OFFSET(OCTEON_CP2_3DES_IV,      octeon_cop2_state, cop2_3des_iv);
 310         OFFSET(OCTEON_CP2_3DES_KEY,     octeon_cop2_state, cop2_3des_key);
 311         OFFSET(OCTEON_CP2_3DES_RESULT,  octeon_cop2_state, cop2_3des_result);
 312         OFFSET(OCTEON_CP2_AES_INP0,     octeon_cop2_state, cop2_aes_inp0);
 313         OFFSET(OCTEON_CP2_AES_IV,       octeon_cop2_state, cop2_aes_iv);
 314         OFFSET(OCTEON_CP2_AES_KEY,      octeon_cop2_state, cop2_aes_key);
 315         OFFSET(OCTEON_CP2_AES_KEYLEN,   octeon_cop2_state, cop2_aes_keylen);
 316         OFFSET(OCTEON_CP2_AES_RESULT,   octeon_cop2_state, cop2_aes_result);
 317         OFFSET(OCTEON_CP2_GFM_MULT,     octeon_cop2_state, cop2_gfm_mult);
 318         OFFSET(OCTEON_CP2_GFM_POLY,     octeon_cop2_state, cop2_gfm_poly);
 319         OFFSET(OCTEON_CP2_GFM_RESULT,   octeon_cop2_state, cop2_gfm_result);
 320         OFFSET(OCTEON_CP2_HSH_DATW,     octeon_cop2_state, cop2_hsh_datw);
 321         OFFSET(OCTEON_CP2_HSH_IVW,      octeon_cop2_state, cop2_hsh_ivw);
 322         OFFSET(THREAD_CP2,      task_struct, thread.cp2);
 323         OFFSET(THREAD_CVMSEG,   task_struct, thread.cvmseg.cvmseg);
 324         BLANK();
 325 }
 326 #endif
 327
 328 #ifdef CONFIG_HIBERNATION
 329 void output_pbe_defines(void)
 330 {
 331         COMMENT(" Linux struct pbe offsets. ");
 332         OFFSET(PBE_ADDRESS, pbe, address);
 333         OFFSET(PBE_ORIG_ADDRESS, pbe, orig_address);
 334         OFFSET(PBE_NEXT, pbe, next);
 335         DEFINE(PBE_SIZE, sizeof(struct pbe));
 336         BLANK();
 337 }
 338 #endif