asm-offsets.c 8.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159
  1. /*
  2. * Generate definitions needed by assembly language modules.
  3. * This code generates raw asm output which is post-processed to extract
  4. * and format the required data.
  5. */
  6. #define ASM_OFFSETS_C
  7. #include <linux/kbuild.h>
  8. #include <linux/sched.h>
  9. #include <asm/vdso.h>
  10. #include <asm/sigp.h>
  11. /*
  12. * Make sure that the compiler is new enough. We want a compiler that
  13. * is known to work with the "Q" assembler constraint.
  14. */
  15. #if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
  16. #error Your compiler is too old; please use version 3.3.3 or newer
  17. #endif
  18. int main(void)
  19. {
  20. DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
  21. DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
  22. DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment));
  23. BLANK();
  24. DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
  25. BLANK();
  26. DEFINE(__THREAD_per_cause,
  27. offsetof(struct task_struct, thread.per_event.cause));
  28. DEFINE(__THREAD_per_address,
  29. offsetof(struct task_struct, thread.per_event.address));
  30. DEFINE(__THREAD_per_paid,
  31. offsetof(struct task_struct, thread.per_event.paid));
  32. BLANK();
  33. DEFINE(__TI_task, offsetof(struct thread_info, task));
  34. DEFINE(__TI_domain, offsetof(struct thread_info, exec_domain));
  35. DEFINE(__TI_flags, offsetof(struct thread_info, flags));
  36. DEFINE(__TI_cpu, offsetof(struct thread_info, cpu));
  37. DEFINE(__TI_precount, offsetof(struct thread_info, preempt_count));
  38. DEFINE(__TI_user_timer, offsetof(struct thread_info, user_timer));
  39. DEFINE(__TI_system_timer, offsetof(struct thread_info, system_timer));
  40. DEFINE(__TI_last_break, offsetof(struct thread_info, last_break));
  41. BLANK();
  42. DEFINE(__PT_ARGS, offsetof(struct pt_regs, args));
  43. DEFINE(__PT_PSW, offsetof(struct pt_regs, psw));
  44. DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs));
  45. DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2));
  46. DEFINE(__PT_ILC, offsetof(struct pt_regs, ilc));
  47. DEFINE(__PT_SVCNR, offsetof(struct pt_regs, svcnr));
  48. DEFINE(__PT_SIZE, sizeof(struct pt_regs));
  49. BLANK();
  50. DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain));
  51. DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs));
  52. DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1));
  53. BLANK();
  54. /* timeval/timezone offsets for use by vdso */
  55. DEFINE(__VDSO_UPD_COUNT, offsetof(struct vdso_data, tb_update_count));
  56. DEFINE(__VDSO_XTIME_STAMP, offsetof(struct vdso_data, xtime_tod_stamp));
  57. DEFINE(__VDSO_XTIME_SEC, offsetof(struct vdso_data, xtime_clock_sec));
  58. DEFINE(__VDSO_XTIME_NSEC, offsetof(struct vdso_data, xtime_clock_nsec));
  59. DEFINE(__VDSO_WTOM_SEC, offsetof(struct vdso_data, wtom_clock_sec));
  60. DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
  61. DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest));
  62. DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available));
  63. DEFINE(__VDSO_NTP_MULT, offsetof(struct vdso_data, ntp_mult));
  64. DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base));
  65. DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time));
  66. /* constants used by the vdso */
  67. DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME);
  68. DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC);
  69. DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
  70. BLANK();
  71. /* constants for SIGP */
  72. DEFINE(__SIGP_STOP, sigp_stop);
  73. DEFINE(__SIGP_RESTART, sigp_restart);
  74. DEFINE(__SIGP_SENSE, sigp_sense);
  75. DEFINE(__SIGP_INITIAL_CPU_RESET, sigp_initial_cpu_reset);
  76. BLANK();
  77. /* lowcore offsets */
  78. DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params));
  79. DEFINE(__LC_CPU_ADDRESS, offsetof(struct _lowcore, cpu_addr));
  80. DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code));
  81. DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc));
  82. DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code));
  83. DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc));
  84. DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code));
  85. DEFINE(__LC_TRANS_EXC_CODE, offsetof(struct _lowcore, trans_exc_code));
  86. DEFINE(__LC_PER_CAUSE, offsetof(struct _lowcore, per_perc_atmid));
  87. DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
  88. DEFINE(__LC_PER_PAID, offsetof(struct _lowcore, per_access_id));
  89. DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_access_id));
  90. DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id));
  91. DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr));
  92. DEFINE(__LC_IO_INT_PARM, offsetof(struct _lowcore, io_int_parm));
  93. DEFINE(__LC_IO_INT_WORD, offsetof(struct _lowcore, io_int_word));
  94. DEFINE(__LC_STFL_FAC_LIST, offsetof(struct _lowcore, stfl_fac_list));
  95. DEFINE(__LC_MCCK_CODE, offsetof(struct _lowcore, mcck_interruption_code));
  96. DEFINE(__LC_DUMP_REIPL, offsetof(struct _lowcore, ipib));
  97. BLANK();
  98. DEFINE(__LC_RST_NEW_PSW, offsetof(struct _lowcore, restart_psw));
  99. DEFINE(__LC_RST_OLD_PSW, offsetof(struct _lowcore, restart_old_psw));
  100. DEFINE(__LC_EXT_OLD_PSW, offsetof(struct _lowcore, external_old_psw));
  101. DEFINE(__LC_SVC_OLD_PSW, offsetof(struct _lowcore, svc_old_psw));
  102. DEFINE(__LC_PGM_OLD_PSW, offsetof(struct _lowcore, program_old_psw));
  103. DEFINE(__LC_MCK_OLD_PSW, offsetof(struct _lowcore, mcck_old_psw));
  104. DEFINE(__LC_IO_OLD_PSW, offsetof(struct _lowcore, io_old_psw));
  105. DEFINE(__LC_EXT_NEW_PSW, offsetof(struct _lowcore, external_new_psw));
  106. DEFINE(__LC_SVC_NEW_PSW, offsetof(struct _lowcore, svc_new_psw));
  107. DEFINE(__LC_PGM_NEW_PSW, offsetof(struct _lowcore, program_new_psw));
  108. DEFINE(__LC_MCK_NEW_PSW, offsetof(struct _lowcore, mcck_new_psw));
  109. DEFINE(__LC_IO_NEW_PSW, offsetof(struct _lowcore, io_new_psw));
  110. DEFINE(__LC_SAVE_AREA, offsetof(struct _lowcore, save_area));
  111. DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
  112. DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
  113. DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
  114. DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
  115. DEFINE(__LC_MCCK_ENTER_TIMER, offsetof(struct _lowcore, mcck_enter_timer));
  116. DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
  117. DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
  118. DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
  119. DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
  120. DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
  121. DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
  122. DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
  123. DEFINE(__LC_CURRENT_PID, offsetof(struct _lowcore, current_pid));
  124. DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info));
  125. DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
  126. DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
  127. DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
  128. DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
  129. DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
  130. DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
  131. DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
  132. DEFINE(__LC_IRB, offsetof(struct _lowcore, irb));
  133. DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
  134. DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
  135. DEFINE(__LC_PSW_SAVE_AREA, offsetof(struct _lowcore, psw_save_area));
  136. DEFINE(__LC_PREFIX_SAVE_AREA, offsetof(struct _lowcore, prefixreg_save_area));
  137. DEFINE(__LC_AREGS_SAVE_AREA, offsetof(struct _lowcore, access_regs_save_area));
  138. DEFINE(__LC_FPREGS_SAVE_AREA, offsetof(struct _lowcore, floating_pt_save_area));
  139. DEFINE(__LC_GPREGS_SAVE_AREA, offsetof(struct _lowcore, gpregs_save_area));
  140. DEFINE(__LC_CREGS_SAVE_AREA, offsetof(struct _lowcore, cregs_save_area));
  141. #ifdef CONFIG_32BIT
  142. DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr));
  143. #else /* CONFIG_32BIT */
  144. DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2));
  145. DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area));
  146. DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
  147. DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
  148. DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
  149. DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
  150. DEFINE(__LC_SIE_HOOK, offsetof(struct _lowcore, sie_hook));
  151. DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp));
  152. #endif /* CONFIG_32BIT */
  153. return 0;
  154. }