linux/arch/mips/kernel/asm-offsets.c
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   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