1 /* 2 * This program is used to generate definitions needed by 3 * assembly language modules. 4 * 5 * We use the technique used in the OSF Mach kernel code: 6 * generate asm statements containing #defines, 7 * compile this file to assembler, and then extract the 8 * #defines from the assembly-language output. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License 12 * as published by the Free Software Foundation; either version 13 * 2 of the License, or (at your option) any later version. 14 */ 15 16 #include <linux/signal.h> 17 #include <linux/sched.h> 18 #include <linux/kernel.h> 19 #include <linux/errno.h> 20 #include <linux/string.h> 21 #include <linux/types.h> 22 #include <linux/mman.h> 23 #include <linux/mm.h> 24 #ifdef CONFIG_PPC64 25 #include <linux/time.h> 26 #include <linux/hardirq.h> 27 #else 28 #include <linux/ptrace.h> 29 #include <linux/suspend.h> 30 #endif 31 32 #include <asm/io.h> 33 #include <asm/page.h> 34 #include <asm/pgtable.h> 35 #include <asm/processor.h> 36 #include <asm/cputable.h> 37 #include <asm/thread_info.h> 38 #include <asm/rtas.h> 39 #include <asm/vdso_datapage.h> 40 #ifdef CONFIG_PPC64 41 #include <asm/paca.h> 42 #include <asm/lppaca.h> 43 #include <asm/cache.h> 44 #include <asm/compat.h> 45 #include <asm/mmu.h> 46 #include <asm/hvcall.h> 47 #endif 48 49 #define DEFINE(sym, val) \ 50 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 51 52 #define BLANK() asm volatile("\n->" : : ) 53 54 int main(void) 55 { 56 DEFINE(THREAD, offsetof(struct task_struct, thread)); 57 DEFINE(MM, offsetof(struct task_struct, mm)); 58 #ifdef CONFIG_PPC64 59 DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context)); 60 #else 61 DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info)); 62 DEFINE(PTRACE, offsetof(struct task_struct, ptrace)); 63 #endif /* CONFIG_PPC64 */ 64 65 DEFINE(KSP, offsetof(struct thread_struct, ksp)); 66 DEFINE(PT_REGS, offsetof(struct thread_struct, regs)); 67 DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode)); 68 DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0])); 69 DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr)); 70 #ifdef CONFIG_ALTIVEC 71 DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0])); 72 DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave)); 73 DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr)); 74 DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr)); 75 #endif /* CONFIG_ALTIVEC */ 76 #ifdef CONFIG_PPC64 77 DEFINE(KSP_VSID, offsetof(struct thread_struct, ksp_vsid)); 78 #else /* CONFIG_PPC64 */ 79 DEFINE(PGDIR, offsetof(struct thread_struct, pgdir)); 80 DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall)); 81 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) 82 DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0)); 83 DEFINE(PT_PTRACED, PT_PTRACED); 84 #endif 85 #ifdef CONFIG_SPE 86 DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0])); 87 DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc)); 88 DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr)); 89 DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe)); 90 #endif /* CONFIG_SPE */ 91 #endif /* CONFIG_PPC64 */ 92 93 DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); 94 DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags)); 95 DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); 96 DEFINE(TI_TASK, offsetof(struct thread_info, task)); 97 #ifdef CONFIG_PPC32 98 DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain)); 99 DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); 100 #endif /* CONFIG_PPC32 */ 101 102 #ifdef CONFIG_PPC64 103 DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size)); 104 DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size)); 105 DEFINE(DCACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, dlines_per_page)); 106 DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size)); 107 DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size)); 108 DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page)); 109 /* paca */ 110 DEFINE(PACA_SIZE, sizeof(struct paca_struct)); 111 DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index)); 112 DEFINE(PACAPROCSTART, offsetof(struct paca_struct, cpu_start)); 113 DEFINE(PACAKSAVE, offsetof(struct paca_struct, kstack)); 114 DEFINE(PACACURRENT, offsetof(struct paca_struct, __current)); 115 DEFINE(PACASAVEDMSR, offsetof(struct paca_struct, saved_msr)); 116 DEFINE(PACASTABREAL, offsetof(struct paca_struct, stab_real)); 117 DEFINE(PACASTABVIRT, offsetof(struct paca_struct, stab_addr)); 118 DEFINE(PACASTABRR, offsetof(struct paca_struct, stab_rr)); 119 DEFINE(PACAR1, offsetof(struct paca_struct, saved_r1)); 120 DEFINE(PACATOC, offsetof(struct paca_struct, kernel_toc)); 121 DEFINE(PACASOFTIRQEN, offsetof(struct paca_struct, soft_enabled)); 122 DEFINE(PACAHARDIRQEN, offsetof(struct paca_struct, hard_enabled)); 123 DEFINE(PACASLBCACHE, offsetof(struct paca_struct, slb_cache)); 124 DEFINE(PACASLBCACHEPTR, offsetof(struct paca_struct, slb_cache_ptr)); 125 DEFINE(PACACONTEXTID, offsetof(struct paca_struct, context.id)); 126 DEFINE(PACACONTEXTSLLP, offsetof(struct paca_struct, context.sllp)); 127 DEFINE(PACAVMALLOCSLLP, offsetof(struct paca_struct, vmalloc_sllp)); 128 #ifdef CONFIG_HUGETLB_PAGE 129 DEFINE(PACALOWHTLBAREAS, offsetof(struct paca_struct, context.low_htlb_areas)); 130 DEFINE(PACAHIGHHTLBAREAS, offsetof(struct paca_struct, context.high_htlb_areas)); 131 #endif /* CONFIG_HUGETLB_PAGE */ 132 DEFINE(PACA_EXGEN, offsetof(struct paca_struct, exgen)); 133 DEFINE(PACA_EXMC, offsetof(struct paca_struct, exmc)); 134 DEFINE(PACA_EXSLB, offsetof(struct paca_struct, exslb)); 135 DEFINE(PACAEMERGSP, offsetof(struct paca_struct, emergency_sp)); 136 DEFINE(PACALPPACAPTR, offsetof(struct paca_struct, lppaca_ptr)); 137 DEFINE(PACAHWCPUID, offsetof(struct paca_struct, hw_cpu_id)); 138 DEFINE(PACA_STARTPURR, offsetof(struct paca_struct, startpurr)); 139 DEFINE(PACA_USER_TIME, offsetof(struct paca_struct, user_time)); 140 DEFINE(PACA_SYSTEM_TIME, offsetof(struct paca_struct, system_time)); 141 DEFINE(PACA_SLBSHADOWPTR, offsetof(struct paca_struct, slb_shadow_ptr)); 142 DEFINE(PACA_DATA_OFFSET, offsetof(struct paca_struct, data_offset)); 143 144 DEFINE(SLBSHADOW_STACKVSID, 145 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].vsid)); 146 DEFINE(SLBSHADOW_STACKESID, 147 offsetof(struct slb_shadow, save_area[SLB_NUM_BOLTED - 1].esid)); 148 DEFINE(LPPACASRR0, offsetof(struct lppaca, saved_srr0)); 149 DEFINE(LPPACASRR1, offsetof(struct lppaca, saved_srr1)); 150 DEFINE(LPPACAANYINT, offsetof(struct lppaca, int_dword.any_int)); 151 DEFINE(LPPACADECRINT, offsetof(struct lppaca, int_dword.fields.decr_int)); 152 DEFINE(SLBSHADOW_SAVEAREA, offsetof(struct slb_shadow, save_area)); 153 #endif /* CONFIG_PPC64 */ 154 155 /* RTAS */ 156 DEFINE(RTASBASE, offsetof(struct rtas_t, base)); 157 DEFINE(RTASENTRY, offsetof(struct rtas_t, entry)); 158 159 /* Interrupt register frame */ 160 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD); 161 #ifndef CONFIG_PPC64 162 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); 163 #else /* CONFIG_PPC64 */ 164 DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); 165 /* 288 = # of volatile regs, int & fp, for leaf routines */ 166 /* which do not stack a frame. See the PPC64 ABI. */ 167 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 288); 168 /* Create extra stack space for SRR0 and SRR1 when calling prom/rtas. */ 169 DEFINE(PROM_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16); 170 DEFINE(RTAS_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs) + 16); 171 172 /* hcall statistics */ 173 DEFINE(HCALL_STAT_SIZE, sizeof(struct hcall_stats)); 174 DEFINE(HCALL_STAT_CALLS, offsetof(struct hcall_stats, num_calls)); 175 DEFINE(HCALL_STAT_TB, offsetof(struct hcall_stats, tb_total)); 176 DEFINE(HCALL_STAT_PURR, offsetof(struct hcall_stats, purr_total)); 177 #endif /* CONFIG_PPC64 */ 178 DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0])); 179 DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1])); 180 DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2])); 181 DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3])); 182 DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4])); 183 DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5])); 184 DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6])); 185 DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7])); 186 DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8])); 187 DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9])); 188 DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10])); 189 DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11])); 190 DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12])); 191 DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13])); 192 #ifndef CONFIG_PPC64 193 DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14])); 194 DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15])); 195 DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16])); 196 DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17])); 197 DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18])); 198 DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19])); 199 DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20])); 200 DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21])); 201 DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22])); 202 DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23])); 203 DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24])); 204 DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25])); 205 DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26])); 206 DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27])); 207 DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28])); 208 DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29])); 209 DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30])); 210 DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31])); 211 #endif /* CONFIG_PPC64 */ 212 /* 213 * Note: these symbols include _ because they overlap with special 214 * register names 215 */ 216 DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip)); 217 DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr)); 218 DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr)); 219 DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link)); 220 DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr)); 221 DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer)); 222 DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); 223 DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); 224 DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3)); 225 DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result)); 226 DEFINE(_TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap)); 227 #ifndef CONFIG_PPC64 228 DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq)); 229 /* 230 * The PowerPC 400-class & Book-E processors have neither the DAR 231 * nor the DSISR SPRs. Hence, we overload them to hold the similar 232 * DEAR and ESR SPRs for such processors. For critical interrupts 233 * we use them to hold SRR0 and SRR1. 234 */ 235 DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar)); 236 DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr)); 237 #else /* CONFIG_PPC64 */ 238 DEFINE(SOFTE, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, softe)); 239 240 /* These _only_ to be used with {PROM,RTAS}_FRAME_SIZE!!! */ 241 DEFINE(_SRR0, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)); 242 DEFINE(_SRR1, STACK_FRAME_OVERHEAD+sizeof(struct pt_regs)+8); 243 #endif /* CONFIG_PPC64 */ 244 245 DEFINE(CLONE_VM, CLONE_VM); 246 DEFINE(CLONE_UNTRACED, CLONE_UNTRACED); 247 248 #ifndef CONFIG_PPC64 249 DEFINE(MM_PGD, offsetof(struct mm_struct, pgd)); 250 #endif /* ! CONFIG_PPC64 */ 251 252 /* About the CPU features table */ 253 DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec)); 254 DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask)); 255 DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value)); 256 DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features)); 257 DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup)); 258 DEFINE(CPU_SPEC_RESTORE, offsetof(struct cpu_spec, cpu_restore)); 259 260 #ifndef CONFIG_PPC64 261 DEFINE(pbe_address, offsetof(struct pbe, address)); 262 DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address)); 263 DEFINE(pbe_next, offsetof(struct pbe, next)); 264 265 DEFINE(TASK_SIZE, TASK_SIZE); 266 DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); 267 #endif /* ! CONFIG_PPC64 */ 268 269 /* datapage offsets for use by vdso */ 270 DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp)); 271 DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec)); 272 DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs)); 273 DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec)); 274 DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count)); 275 DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest)); 276 DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime)); 277 DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32)); 278 DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec)); 279 DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec)); 280 #ifdef CONFIG_PPC64 281 DEFINE(CFG_SYSCALL_MAP64, offsetof(struct vdso_data, syscall_map_64)); 282 DEFINE(TVAL64_TV_SEC, offsetof(struct timeval, tv_sec)); 283 DEFINE(TVAL64_TV_USEC, offsetof(struct timeval, tv_usec)); 284 DEFINE(TVAL32_TV_SEC, offsetof(struct compat_timeval, tv_sec)); 285 DEFINE(TVAL32_TV_USEC, offsetof(struct compat_timeval, tv_usec)); 286 DEFINE(TSPC64_TV_SEC, offsetof(struct timespec, tv_sec)); 287 DEFINE(TSPC64_TV_NSEC, offsetof(struct timespec, tv_nsec)); 288 DEFINE(TSPC32_TV_SEC, offsetof(struct compat_timespec, tv_sec)); 289 DEFINE(TSPC32_TV_NSEC, offsetof(struct compat_timespec, tv_nsec)); 290 #else 291 DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec)); 292 DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec)); 293 DEFINE(TSPC32_TV_SEC, offsetof(struct timespec, tv_sec)); 294 DEFINE(TSPC32_TV_NSEC, offsetof(struct timespec, tv_nsec)); 295 #endif 296 /* timeval/timezone offsets for use by vdso */ 297 DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest)); 298 DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime)); 299 300 /* Other bits used by the vdso */ 301 DEFINE(CLOCK_REALTIME, CLOCK_REALTIME); 302 DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC); 303 DEFINE(NSEC_PER_SEC, NSEC_PER_SEC); 304 DEFINE(CLOCK_REALTIME_RES, TICK_NSEC); 305 306 #ifdef CONFIG_BUG 307 DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry)); 308 #endif 309 return 0; 310 } 311