arch/s390/kernel/asm-offsets.c

   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
   7 #define ASM_OFFSETS_C
   8
   9 #include <linux/kbuild.h>
  10 #include <linux/sched.h>
  11 #include <asm/vdso.h>
  12 #include <asm/sigp.h>
  13 #include <asm/pgtable.h>
  14
  15 /*
  16  * Make sure that the compiler is new enough. We want a compiler that
  17  * is known to work with the "Q" assembler constraint.
  18  */
  19 #if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
  20 #error Your compiler is too old; please use version 3.3.3 or newer
  21 #endif
  22
  23 int main(void)
  24 {
  25         DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
  26         DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
  27         DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment));
  28         BLANK();
  29         DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
  30         BLANK();
  31         DEFINE(__THREAD_per_cause, offsetof(struct task_struct, thread.per_event.cause));
  32         DEFINE(__THREAD_per_address, offsetof(struct task_struct, thread.per_event.address));
  33         DEFINE(__THREAD_per_paid, offsetof(struct task_struct, thread.per_event.paid));
  34         BLANK();
  35         DEFINE(__TI_task, offsetof(struct thread_info, task));
  36         DEFINE(__TI_domain, offsetof(struct thread_info, exec_domain));
  37         DEFINE(__TI_flags, offsetof(struct thread_info, flags));
  38         DEFINE(__TI_cpu, offsetof(struct thread_info, cpu));
  39         DEFINE(__TI_precount, offsetof(struct thread_info, preempt_count));
  40         DEFINE(__TI_user_timer, offsetof(struct thread_info, user_timer));
  41         DEFINE(__TI_system_timer, offsetof(struct thread_info, system_timer));
  42         DEFINE(__TI_last_break, offsetof(struct thread_info, last_break));
  43         BLANK();
  44         DEFINE(__PT_ARGS, offsetof(struct pt_regs, args));
  45         DEFINE(__PT_PSW, offsetof(struct pt_regs, psw));
  46         DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs));
  47         DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2));
  48         DEFINE(__PT_INT_CODE, offsetof(struct pt_regs, int_code));
  49         DEFINE(__PT_INT_PARM_LONG, offsetof(struct pt_regs, int_parm_long));
  50         DEFINE(__PT_SIZE, sizeof(struct pt_regs));
  51         BLANK();
  52         DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain));
  53         DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs));
  54         DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1));
  55         BLANK();
  56         /* timeval/timezone offsets for use by vdso */
  57         DEFINE(__VDSO_UPD_COUNT, offsetof(struct vdso_data, tb_update_count));
  58         DEFINE(__VDSO_XTIME_STAMP, offsetof(struct vdso_data, xtime_tod_stamp));
  59         DEFINE(__VDSO_XTIME_SEC, offsetof(struct vdso_data, xtime_clock_sec));
  60         DEFINE(__VDSO_XTIME_NSEC, offsetof(struct vdso_data, xtime_clock_nsec));
  61         DEFINE(__VDSO_WTOM_SEC, offsetof(struct vdso_data, wtom_clock_sec));
  62         DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
  63         DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest));
  64         DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available));
  65         DEFINE(__VDSO_NTP_MULT, offsetof(struct vdso_data, ntp_mult));
  66         DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base));
  67         DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time));
  68         /* constants used by the vdso */
  69         DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME);
  70         DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC);
  71         DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
  72         BLANK();
  73         /* constants for SIGP */
  74         DEFINE(__SIGP_STOP, sigp_stop);
  75         DEFINE(__SIGP_RESTART, sigp_restart);
  76         DEFINE(__SIGP_SENSE, sigp_sense);
  77         DEFINE(__SIGP_INITIAL_CPU_RESET, sigp_initial_cpu_reset);
  78         BLANK();
  79         /* lowcore offsets */
  80         DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params));
  81         DEFINE(__LC_CPU_ADDRESS, offsetof(struct _lowcore, cpu_addr));
  82         DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code));
  83         DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc));
  84         DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code));
  85         DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc));
  86         DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code));
  87         DEFINE(__LC_TRANS_EXC_CODE, offsetof(struct _lowcore, trans_exc_code));
  88         DEFINE(__LC_PER_CAUSE, offsetof(struct _lowcore, per_perc_atmid));
  89         DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
  90         DEFINE(__LC_PER_PAID, offsetof(struct _lowcore, per_access_id));
  91         DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_access_id));
  92         DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id));
  93         DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr));
  94         DEFINE(__LC_IO_INT_PARM, offsetof(struct _lowcore, io_int_parm));
  95         DEFINE(__LC_IO_INT_WORD, offsetof(struct _lowcore, io_int_word));
  96         DEFINE(__LC_STFL_FAC_LIST, offsetof(struct _lowcore, stfl_fac_list));
  97         DEFINE(__LC_MCCK_CODE, offsetof(struct _lowcore, mcck_interruption_code));
  98         DEFINE(__LC_DUMP_REIPL, offsetof(struct _lowcore, ipib));
  99         BLANK();
 100         DEFINE(__LC_RST_NEW_PSW, offsetof(struct _lowcore, restart_psw));
 101         DEFINE(__LC_RST_OLD_PSW, offsetof(struct _lowcore, restart_old_psw));
 102         DEFINE(__LC_EXT_OLD_PSW, offsetof(struct _lowcore, external_old_psw));
 103         DEFINE(__LC_SVC_OLD_PSW, offsetof(struct _lowcore, svc_old_psw));
 104         DEFINE(__LC_PGM_OLD_PSW, offsetof(struct _lowcore, program_old_psw));
 105         DEFINE(__LC_MCK_OLD_PSW, offsetof(struct _lowcore, mcck_old_psw));
 106         DEFINE(__LC_IO_OLD_PSW, offsetof(struct _lowcore, io_old_psw));
 107         DEFINE(__LC_EXT_NEW_PSW, offsetof(struct _lowcore, external_new_psw));
 108         DEFINE(__LC_SVC_NEW_PSW, offsetof(struct _lowcore, svc_new_psw));
 109         DEFINE(__LC_PGM_NEW_PSW, offsetof(struct _lowcore, program_new_psw));
 110         DEFINE(__LC_MCK_NEW_PSW, offsetof(struct _lowcore, mcck_new_psw));
 111         DEFINE(__LC_IO_NEW_PSW, offsetof(struct _lowcore, io_new_psw));
 112         DEFINE(__LC_SAVE_AREA_SYNC, offsetof(struct _lowcore, save_area_sync));
 113         DEFINE(__LC_SAVE_AREA_ASYNC, offsetof(struct _lowcore, save_area_async));
 114         DEFINE(__LC_SAVE_AREA_RESTART, offsetof(struct _lowcore, save_area_restart));
 115         DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
 116         DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
 117         DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
 118         DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
 119         DEFINE(__LC_MCCK_ENTER_TIMER, offsetof(struct _lowcore, mcck_enter_timer));
 120         DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
 121         DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
 122         DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
 123         DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
 124         DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
 125         DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
 126         DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
 127         DEFINE(__LC_CURRENT_PID, offsetof(struct _lowcore, current_pid));
 128         DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info));
 129         DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
 130         DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
 131         DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
 132         DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
 133         DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
 134         DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
 135         DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
 136         DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
 137         DEFINE(__LC_IRB, offsetof(struct _lowcore, irb));
 138         DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
 139         DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
 140         DEFINE(__LC_PSW_SAVE_AREA, offsetof(struct _lowcore, psw_save_area));
 141         DEFINE(__LC_PREFIX_SAVE_AREA, offsetof(struct _lowcore, prefixreg_save_area));
 142         DEFINE(__LC_AREGS_SAVE_AREA, offsetof(struct _lowcore, access_regs_save_area));
 143         DEFINE(__LC_FPREGS_SAVE_AREA, offsetof(struct _lowcore, floating_pt_save_area));
 144         DEFINE(__LC_GPREGS_SAVE_AREA, offsetof(struct _lowcore, gpregs_save_area));
 145         DEFINE(__LC_CREGS_SAVE_AREA, offsetof(struct _lowcore, cregs_save_area));
 146 #ifdef CONFIG_32BIT
 147         DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr));
 148 #else /* CONFIG_32BIT */
 149         DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2));
 150         DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area));
 151         DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
 152         DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
 153         DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
 154         DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
 155         DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap));
 156         DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce));
 157 #endif /* CONFIG_32BIT */
 158         return 0;
 159 }