forked from Minki/linux
c5328901aa
Another round of cleanup for entry[64].S, in particular the program check handler looks more reasonable now. The code size for the 31 bit kernel has been reduced by 616 byte and by 528 byte for the 64 bit version. Even better the code is a bit faster as well. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
159 lines
8.5 KiB
C
159 lines
8.5 KiB
C
/*
|
|
* Generate definitions needed by assembly language modules.
|
|
* This code generates raw asm output which is post-processed to extract
|
|
* and format the required data.
|
|
*/
|
|
|
|
#define ASM_OFFSETS_C
|
|
|
|
#include <linux/kbuild.h>
|
|
#include <linux/sched.h>
|
|
#include <asm/vdso.h>
|
|
#include <asm/sigp.h>
|
|
#include <asm/pgtable.h>
|
|
|
|
/*
|
|
* Make sure that the compiler is new enough. We want a compiler that
|
|
* is known to work with the "Q" assembler constraint.
|
|
*/
|
|
#if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
|
|
#error Your compiler is too old; please use version 3.3.3 or newer
|
|
#endif
|
|
|
|
int main(void)
|
|
{
|
|
DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
|
|
DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
|
|
DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment));
|
|
BLANK();
|
|
DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
|
|
BLANK();
|
|
DEFINE(__THREAD_per_cause, offsetof(struct task_struct, thread.per_event.cause));
|
|
DEFINE(__THREAD_per_address, offsetof(struct task_struct, thread.per_event.address));
|
|
DEFINE(__THREAD_per_paid, offsetof(struct task_struct, thread.per_event.paid));
|
|
BLANK();
|
|
DEFINE(__TI_task, offsetof(struct thread_info, task));
|
|
DEFINE(__TI_domain, offsetof(struct thread_info, exec_domain));
|
|
DEFINE(__TI_flags, offsetof(struct thread_info, flags));
|
|
DEFINE(__TI_cpu, offsetof(struct thread_info, cpu));
|
|
DEFINE(__TI_precount, offsetof(struct thread_info, preempt_count));
|
|
DEFINE(__TI_user_timer, offsetof(struct thread_info, user_timer));
|
|
DEFINE(__TI_system_timer, offsetof(struct thread_info, system_timer));
|
|
DEFINE(__TI_last_break, offsetof(struct thread_info, last_break));
|
|
BLANK();
|
|
DEFINE(__PT_ARGS, offsetof(struct pt_regs, args));
|
|
DEFINE(__PT_PSW, offsetof(struct pt_regs, psw));
|
|
DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs));
|
|
DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2));
|
|
DEFINE(__PT_SVC_CODE, offsetof(struct pt_regs, svc_code));
|
|
DEFINE(__PT_SIZE, sizeof(struct pt_regs));
|
|
BLANK();
|
|
DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain));
|
|
DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs));
|
|
DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1));
|
|
BLANK();
|
|
/* timeval/timezone offsets for use by vdso */
|
|
DEFINE(__VDSO_UPD_COUNT, offsetof(struct vdso_data, tb_update_count));
|
|
DEFINE(__VDSO_XTIME_STAMP, offsetof(struct vdso_data, xtime_tod_stamp));
|
|
DEFINE(__VDSO_XTIME_SEC, offsetof(struct vdso_data, xtime_clock_sec));
|
|
DEFINE(__VDSO_XTIME_NSEC, offsetof(struct vdso_data, xtime_clock_nsec));
|
|
DEFINE(__VDSO_WTOM_SEC, offsetof(struct vdso_data, wtom_clock_sec));
|
|
DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
|
|
DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest));
|
|
DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available));
|
|
DEFINE(__VDSO_NTP_MULT, offsetof(struct vdso_data, ntp_mult));
|
|
DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base));
|
|
DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time));
|
|
/* constants used by the vdso */
|
|
DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME);
|
|
DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC);
|
|
DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
|
|
BLANK();
|
|
/* constants for SIGP */
|
|
DEFINE(__SIGP_STOP, sigp_stop);
|
|
DEFINE(__SIGP_RESTART, sigp_restart);
|
|
DEFINE(__SIGP_SENSE, sigp_sense);
|
|
DEFINE(__SIGP_INITIAL_CPU_RESET, sigp_initial_cpu_reset);
|
|
BLANK();
|
|
/* lowcore offsets */
|
|
DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params));
|
|
DEFINE(__LC_CPU_ADDRESS, offsetof(struct _lowcore, cpu_addr));
|
|
DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code));
|
|
DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc));
|
|
DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code));
|
|
DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc));
|
|
DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code));
|
|
DEFINE(__LC_TRANS_EXC_CODE, offsetof(struct _lowcore, trans_exc_code));
|
|
DEFINE(__LC_PER_CAUSE, offsetof(struct _lowcore, per_perc_atmid));
|
|
DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
|
|
DEFINE(__LC_PER_PAID, offsetof(struct _lowcore, per_access_id));
|
|
DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_access_id));
|
|
DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id));
|
|
DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr));
|
|
DEFINE(__LC_IO_INT_PARM, offsetof(struct _lowcore, io_int_parm));
|
|
DEFINE(__LC_IO_INT_WORD, offsetof(struct _lowcore, io_int_word));
|
|
DEFINE(__LC_STFL_FAC_LIST, offsetof(struct _lowcore, stfl_fac_list));
|
|
DEFINE(__LC_MCCK_CODE, offsetof(struct _lowcore, mcck_interruption_code));
|
|
DEFINE(__LC_DUMP_REIPL, offsetof(struct _lowcore, ipib));
|
|
BLANK();
|
|
DEFINE(__LC_RST_NEW_PSW, offsetof(struct _lowcore, restart_psw));
|
|
DEFINE(__LC_RST_OLD_PSW, offsetof(struct _lowcore, restart_old_psw));
|
|
DEFINE(__LC_EXT_OLD_PSW, offsetof(struct _lowcore, external_old_psw));
|
|
DEFINE(__LC_SVC_OLD_PSW, offsetof(struct _lowcore, svc_old_psw));
|
|
DEFINE(__LC_PGM_OLD_PSW, offsetof(struct _lowcore, program_old_psw));
|
|
DEFINE(__LC_MCK_OLD_PSW, offsetof(struct _lowcore, mcck_old_psw));
|
|
DEFINE(__LC_IO_OLD_PSW, offsetof(struct _lowcore, io_old_psw));
|
|
DEFINE(__LC_EXT_NEW_PSW, offsetof(struct _lowcore, external_new_psw));
|
|
DEFINE(__LC_SVC_NEW_PSW, offsetof(struct _lowcore, svc_new_psw));
|
|
DEFINE(__LC_PGM_NEW_PSW, offsetof(struct _lowcore, program_new_psw));
|
|
DEFINE(__LC_MCK_NEW_PSW, offsetof(struct _lowcore, mcck_new_psw));
|
|
DEFINE(__LC_IO_NEW_PSW, offsetof(struct _lowcore, io_new_psw));
|
|
DEFINE(__LC_SAVE_AREA_SYNC, offsetof(struct _lowcore, save_area_sync));
|
|
DEFINE(__LC_SAVE_AREA_ASYNC, offsetof(struct _lowcore, save_area_async));
|
|
DEFINE(__LC_SAVE_AREA_RESTART, offsetof(struct _lowcore, save_area_restart));
|
|
DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
|
|
DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
|
|
DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
|
|
DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
|
|
DEFINE(__LC_MCCK_ENTER_TIMER, offsetof(struct _lowcore, mcck_enter_timer));
|
|
DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
|
|
DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
|
|
DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
|
|
DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
|
|
DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
|
|
DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
|
|
DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
|
|
DEFINE(__LC_CURRENT_PID, offsetof(struct _lowcore, current_pid));
|
|
DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info));
|
|
DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
|
|
DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
|
|
DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
|
|
DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
|
|
DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
|
|
DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
|
|
DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
|
|
DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
|
|
DEFINE(__LC_IRB, offsetof(struct _lowcore, irb));
|
|
DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
|
|
DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
|
|
DEFINE(__LC_PSW_SAVE_AREA, offsetof(struct _lowcore, psw_save_area));
|
|
DEFINE(__LC_PREFIX_SAVE_AREA, offsetof(struct _lowcore, prefixreg_save_area));
|
|
DEFINE(__LC_AREGS_SAVE_AREA, offsetof(struct _lowcore, access_regs_save_area));
|
|
DEFINE(__LC_FPREGS_SAVE_AREA, offsetof(struct _lowcore, floating_pt_save_area));
|
|
DEFINE(__LC_GPREGS_SAVE_AREA, offsetof(struct _lowcore, gpregs_save_area));
|
|
DEFINE(__LC_CREGS_SAVE_AREA, offsetof(struct _lowcore, cregs_save_area));
|
|
#ifdef CONFIG_32BIT
|
|
DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr));
|
|
#else /* CONFIG_32BIT */
|
|
DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2));
|
|
DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area));
|
|
DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
|
|
DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
|
|
DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
|
|
DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
|
|
DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap));
|
|
DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce));
|
|
#endif /* CONFIG_32BIT */
|
|
return 0;
|
|
}
|