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174 lines
8.3 KiB
174 lines
8.3 KiB
/*
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* This program is used to generate definitions needed by
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* assembly language modules.
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*
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* We use the technique used in the OSF Mach kernel code:
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* generate asm statements containing #defines,
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* compile this file to assembler, and then extract the
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* #defines from the assembly-language output.
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*/
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#include <linux/signal.h>
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#include <linux/sched.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/types.h>
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#include <linux/ptrace.h>
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#include <linux/suspend.h>
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#include <linux/mman.h>
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#include <linux/mm.h>
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#include <asm/io.h>
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#include <asm/page.h>
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#include <asm/pgtable.h>
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#include <asm/processor.h>
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#include <asm/cputable.h>
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#include <asm/thread_info.h>
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#include <asm/vdso_datapage.h>
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#define DEFINE(sym, val) \
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asm volatile("\n->" #sym " %0 " #val : : "i" (val))
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#define BLANK() asm volatile("\n->" : : )
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int
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main(void)
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{
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DEFINE(THREAD, offsetof(struct task_struct, thread));
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DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info));
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DEFINE(MM, offsetof(struct task_struct, mm));
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DEFINE(PTRACE, offsetof(struct task_struct, ptrace));
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DEFINE(KSP, offsetof(struct thread_struct, ksp));
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DEFINE(PGDIR, offsetof(struct thread_struct, pgdir));
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DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall));
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DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
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DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode));
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DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0]));
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DEFINE(THREAD_FPSCR, offsetof(struct thread_struct, fpscr));
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#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
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DEFINE(THREAD_DBCR0, offsetof(struct thread_struct, dbcr0));
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DEFINE(PT_PTRACED, PT_PTRACED);
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#endif
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#ifdef CONFIG_ALTIVEC
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DEFINE(THREAD_VR0, offsetof(struct thread_struct, vr[0]));
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DEFINE(THREAD_VRSAVE, offsetof(struct thread_struct, vrsave));
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DEFINE(THREAD_VSCR, offsetof(struct thread_struct, vscr));
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DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
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#endif /* CONFIG_ALTIVEC */
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#ifdef CONFIG_SPE
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DEFINE(THREAD_EVR0, offsetof(struct thread_struct, evr[0]));
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DEFINE(THREAD_ACC, offsetof(struct thread_struct, acc));
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DEFINE(THREAD_SPEFSCR, offsetof(struct thread_struct, spefscr));
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DEFINE(THREAD_USED_SPE, offsetof(struct thread_struct, used_spe));
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#endif /* CONFIG_SPE */
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/* Interrupt register frame */
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DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
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DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
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/* in fact we only use gpr0 - gpr9 and gpr20 - gpr23 */
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DEFINE(GPR0, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[0]));
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DEFINE(GPR1, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[1]));
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DEFINE(GPR2, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[2]));
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DEFINE(GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[3]));
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DEFINE(GPR4, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[4]));
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DEFINE(GPR5, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[5]));
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DEFINE(GPR6, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[6]));
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DEFINE(GPR7, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[7]));
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DEFINE(GPR8, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[8]));
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DEFINE(GPR9, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[9]));
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DEFINE(GPR10, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[10]));
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DEFINE(GPR11, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[11]));
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DEFINE(GPR12, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[12]));
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DEFINE(GPR13, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[13]));
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DEFINE(GPR14, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[14]));
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DEFINE(GPR15, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[15]));
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DEFINE(GPR16, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[16]));
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DEFINE(GPR17, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[17]));
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DEFINE(GPR18, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[18]));
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DEFINE(GPR19, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[19]));
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DEFINE(GPR20, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[20]));
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DEFINE(GPR21, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[21]));
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DEFINE(GPR22, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[22]));
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DEFINE(GPR23, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[23]));
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DEFINE(GPR24, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[24]));
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DEFINE(GPR25, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[25]));
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DEFINE(GPR26, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[26]));
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DEFINE(GPR27, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[27]));
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DEFINE(GPR28, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[28]));
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DEFINE(GPR29, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[29]));
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DEFINE(GPR30, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[30]));
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DEFINE(GPR31, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, gpr[31]));
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/* Note: these symbols include _ because they overlap with special
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* register names
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*/
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DEFINE(_NIP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, nip));
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DEFINE(_MSR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, msr));
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DEFINE(_CTR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ctr));
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DEFINE(_LINK, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, link));
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DEFINE(_CCR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, ccr));
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DEFINE(_MQ, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, mq));
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DEFINE(_XER, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, xer));
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DEFINE(_DAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
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DEFINE(_DSISR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
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/* The PowerPC 400-class & Book-E processors have neither the DAR nor the DSISR
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* SPRs. Hence, we overload them to hold the similar DEAR and ESR SPRs
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* for such processors. For critical interrupts we use them to
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* hold SRR0 and SRR1.
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*/
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DEFINE(_DEAR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dar));
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DEFINE(_ESR, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, dsisr));
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DEFINE(ORIG_GPR3, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, orig_gpr3));
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DEFINE(RESULT, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, result));
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DEFINE(TRAP, STACK_FRAME_OVERHEAD+offsetof(struct pt_regs, trap));
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DEFINE(CLONE_VM, CLONE_VM);
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DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
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DEFINE(MM_PGD, offsetof(struct mm_struct, pgd));
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/* About the CPU features table */
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DEFINE(CPU_SPEC_ENTRY_SIZE, sizeof(struct cpu_spec));
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DEFINE(CPU_SPEC_PVR_MASK, offsetof(struct cpu_spec, pvr_mask));
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DEFINE(CPU_SPEC_PVR_VALUE, offsetof(struct cpu_spec, pvr_value));
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DEFINE(CPU_SPEC_FEATURES, offsetof(struct cpu_spec, cpu_features));
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DEFINE(CPU_SPEC_SETUP, offsetof(struct cpu_spec, cpu_setup));
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DEFINE(TI_TASK, offsetof(struct thread_info, task));
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DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
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DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
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DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
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DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
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DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
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DEFINE(pbe_address, offsetof(struct pbe, address));
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DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
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DEFINE(pbe_next, offsetof(struct pbe, next));
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DEFINE(TASK_SIZE, TASK_SIZE);
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DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28);
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/* datapage offsets for use by vdso */
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DEFINE(CFG_TB_ORIG_STAMP, offsetof(struct vdso_data, tb_orig_stamp));
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DEFINE(CFG_TB_TICKS_PER_SEC, offsetof(struct vdso_data, tb_ticks_per_sec));
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DEFINE(CFG_TB_TO_XS, offsetof(struct vdso_data, tb_to_xs));
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DEFINE(CFG_STAMP_XSEC, offsetof(struct vdso_data, stamp_xsec));
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DEFINE(CFG_TB_UPDATE_COUNT, offsetof(struct vdso_data, tb_update_count));
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DEFINE(CFG_TZ_MINUTEWEST, offsetof(struct vdso_data, tz_minuteswest));
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DEFINE(CFG_TZ_DSTTIME, offsetof(struct vdso_data, tz_dsttime));
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DEFINE(CFG_SYSCALL_MAP32, offsetof(struct vdso_data, syscall_map_32));
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DEFINE(WTOM_CLOCK_SEC, offsetof(struct vdso_data, wtom_clock_sec));
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DEFINE(WTOM_CLOCK_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
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DEFINE(TVAL32_TV_SEC, offsetof(struct timeval, tv_sec));
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DEFINE(TVAL32_TV_USEC, offsetof(struct timeval, tv_usec));
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DEFINE(TSPEC32_TV_SEC, offsetof(struct timespec, tv_sec));
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DEFINE(TSPEC32_TV_NSEC, offsetof(struct timespec, tv_nsec));
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/* timeval/timezone offsets for use by vdso */
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DEFINE(TZONE_TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
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DEFINE(TZONE_TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
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/* Other bits used by the vdso */
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DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
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DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
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DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
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DEFINE(CLOCK_REALTIME_RES, TICK_NSEC);
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return 0;
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}
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