asm-offsets.c 2.3 KB

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  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. #include <linux/stddef.h>
  11. #include <linux/sched.h>
  12. #include <linux/kernel_stat.h>
  13. #include <linux/ptrace.h>
  14. #include <linux/hardirq.h>
  15. #include <linux/kbuild.h>
  16. #include <asm/bootinfo.h>
  17. #include <asm/irq.h>
  18. #include <asm/ptrace.h>
  19. int main(void)
  20. {
  21. /* offsets into the task struct */
  22. DEFINE(TASK_STATE, offsetof(struct task_struct, state));
  23. DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
  24. DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
  25. DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
  26. DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
  27. DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
  28. DEFINE(TASK_MM, offsetof(struct task_struct, mm));
  29. DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
  30. /* offsets into the irq_cpustat_t struct */
  31. DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
  32. /* offsets into the thread struct */
  33. DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
  34. DEFINE(THREAD_USP, offsetof(struct thread_struct, usp));
  35. DEFINE(THREAD_CCR, offsetof(struct thread_struct, ccr));
  36. /* offsets into the pt_regs struct */
  37. DEFINE(LER0, offsetof(struct pt_regs, er0) - sizeof(long));
  38. DEFINE(LER1, offsetof(struct pt_regs, er1) - sizeof(long));
  39. DEFINE(LER2, offsetof(struct pt_regs, er2) - sizeof(long));
  40. DEFINE(LER3, offsetof(struct pt_regs, er3) - sizeof(long));
  41. DEFINE(LER4, offsetof(struct pt_regs, er4) - sizeof(long));
  42. DEFINE(LER5, offsetof(struct pt_regs, er5) - sizeof(long));
  43. DEFINE(LER6, offsetof(struct pt_regs, er6) - sizeof(long));
  44. DEFINE(LORIG, offsetof(struct pt_regs, orig_er0) - sizeof(long));
  45. DEFINE(LCCR, offsetof(struct pt_regs, ccr) - sizeof(long));
  46. DEFINE(LVEC, offsetof(struct pt_regs, vector) - sizeof(long));
  47. #if defined(__H8300S__)
  48. DEFINE(LEXR, offsetof(struct pt_regs, exr) - sizeof(long));
  49. #endif
  50. DEFINE(LRET, offsetof(struct pt_regs, pc) - sizeof(long));
  51. DEFINE(PT_PTRACED, PT_PTRACED);
  52. return 0;
  53. }