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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Heiko Carstenscbb870c2010-02-26 22:37:43 +01007#define ASM_OFFSETS_C
8
Christoph Lameter7a88d7a2008-04-29 01:04:09 -07009#include <linux/kbuild.h>
Heiko Carstenscbb870c2010-02-26 22:37:43 +010010#include <linux/sched.h>
Martin Schwidefskyb0206322008-12-25 13:38:36 +010011#include <asm/vdso.h>
Michael Holzheu1aaf1792009-09-22 22:58:53 +020012#include <asm/sigp.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070013
Martin Schwidefsky987bcda2010-02-26 22:37:31 +010014/*
15 * Make sure that the compiler is new enough. We want a compiler that
16 * is known to work with the "Q" assembler constraint.
17 */
18#if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
19#error Your compiler is too old; please use version 3.3.3 or newer
20#endif
21
Linus Torvalds1da177e2005-04-16 15:20:36 -070022int main(void)
23{
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070024 DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
25 DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
26 DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info));
Heiko Carstenscbb870c2010-02-26 22:37:43 +010027 DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment));
Linus Torvalds1da177e2005-04-16 15:20:36 -070028 BLANK();
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070029 DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
Linus Torvalds1da177e2005-04-16 15:20:36 -070030 BLANK();
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070031 DEFINE(__PER_atmid, offsetof(per_struct, lowcore.words.perc_atmid));
32 DEFINE(__PER_address, offsetof(per_struct, lowcore.words.address));
33 DEFINE(__PER_access_id, offsetof(per_struct, lowcore.words.access_id));
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 BLANK();
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070035 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));
Martin Schwidefsky5b409ed2009-04-14 15:36:27 +020040 DEFINE(__TI_user_timer, offsetof(struct thread_info, user_timer));
41 DEFINE(__TI_system_timer, offsetof(struct thread_info, system_timer));
Martin Schwidefsky86f25522010-05-17 10:00:05 +020042 DEFINE(__TI_last_break, offsetof(struct thread_info, last_break));
Linus Torvalds1da177e2005-04-16 15:20:36 -070043 BLANK();
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070044 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_ILC, offsetof(struct pt_regs, ilc));
Martin Schwidefsky59da2132008-11-27 11:05:55 +010049 DEFINE(__PT_SVCNR, offsetof(struct pt_regs, svcnr));
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070050 DEFINE(__PT_SIZE, sizeof(struct pt_regs));
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 BLANK();
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070052 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));
Martin Schwidefskyb0206322008-12-25 13:38:36 +010055 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));
Martin Schwidefskyc742b312008-12-31 15:11:42 +010064 DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available));
Hendrik Brueckner157a1a22010-04-22 17:17:06 +020065 DEFINE(__VDSO_NTP_MULT, offsetof(struct vdso_data, ntp_mult));
Heiko Carstenscbb870c2010-02-26 22:37:43 +010066 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));
Martin Schwidefskyb0206322008-12-25 13:38:36 +010068 /* 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);
Heiko Carstenscbb870c2010-02-26 22:37:43 +010072 BLANK();
Michael Holzheu1aaf1792009-09-22 22:58:53 +020073 /* 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);
Heiko Carstenscbb870c2010-02-26 22:37:43 +010078 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_PER_ATMID, offsetof(struct _lowcore, per_perc_atmid));
88 DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
89 DEFINE(__LC_PER_ACCESS_ID, offsetof(struct _lowcore, per_access_id));
90 DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_access_id));
91 DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id));
92 DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr));
93 DEFINE(__LC_IO_INT_PARM, offsetof(struct _lowcore, io_int_parm));
94 DEFINE(__LC_IO_INT_WORD, offsetof(struct _lowcore, io_int_word));
95 DEFINE(__LC_STFL_FAC_LIST, offsetof(struct _lowcore, stfl_fac_list));
96 DEFINE(__LC_MCCK_CODE, offsetof(struct _lowcore, mcck_interruption_code));
97 DEFINE(__LC_DUMP_REIPL, offsetof(struct _lowcore, ipib));
98 BLANK();
99 DEFINE(__LC_RST_NEW_PSW, offsetof(struct _lowcore, restart_psw));
100 DEFINE(__LC_RST_OLD_PSW, offsetof(struct _lowcore, restart_old_psw));
101 DEFINE(__LC_EXT_OLD_PSW, offsetof(struct _lowcore, external_old_psw));
102 DEFINE(__LC_SVC_OLD_PSW, offsetof(struct _lowcore, svc_old_psw));
103 DEFINE(__LC_PGM_OLD_PSW, offsetof(struct _lowcore, program_old_psw));
104 DEFINE(__LC_MCK_OLD_PSW, offsetof(struct _lowcore, mcck_old_psw));
105 DEFINE(__LC_IO_OLD_PSW, offsetof(struct _lowcore, io_old_psw));
106 DEFINE(__LC_EXT_NEW_PSW, offsetof(struct _lowcore, external_new_psw));
107 DEFINE(__LC_SVC_NEW_PSW, offsetof(struct _lowcore, svc_new_psw));
108 DEFINE(__LC_PGM_NEW_PSW, offsetof(struct _lowcore, program_new_psw));
109 DEFINE(__LC_MCK_NEW_PSW, offsetof(struct _lowcore, mcck_new_psw));
110 DEFINE(__LC_IO_NEW_PSW, offsetof(struct _lowcore, io_new_psw));
111 DEFINE(__LC_SAVE_AREA, offsetof(struct _lowcore, save_area));
112 DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
113 DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
114 DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
115 DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
Martin Schwidefsky63779812010-05-17 10:00:03 +0200116 DEFINE(__LC_MCCK_ENTER_TIMER, offsetof(struct _lowcore, mcck_enter_timer));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100117 DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
118 DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
119 DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
120 DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
121 DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
122 DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
123 DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
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_KERNEL_ASCE, offsetof(struct _lowcore, kernel_asce));
129 DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
130 DEFINE(__LC_USER_EXEC_ASCE, offsetof(struct _lowcore, user_exec_asce));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100131 DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
Martin Schwidefsky63779812010-05-17 10:00:03 +0200132 DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100133 DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
134 DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
Carsten Ottecd3b70f2010-05-17 10:00:04 +0200135 DEFINE(__LC_SIE_HOOK, offsetof(struct _lowcore, sie_hook));
136 DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100137 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(__LC_PFAULT_INTPARM, offsetof(struct _lowcore, ext_params));
148 DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr));
149#else /* CONFIG_32BIT */
150 DEFINE(__LC_PFAULT_INTPARM, offsetof(struct _lowcore, ext_params2));
151 DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2));
152 DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area));
153 DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
154 DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
155 DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
156 DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
157#endif /* CONFIG_32BIT */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158 return 0;
159}