blob: c1a56ba5f8486c3393af91d88dde564d74f52c68 [file] [log] [blame]
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>
Christian Borntraeger480e5922011-09-20 17:07:28 +020013#include <asm/pgtable.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
Martin Schwidefsky987bcda2010-02-26 22:37:31 +010015/*
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070023int main(void)
24{
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070025 DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
26 DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
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();
Heiko Carstens7a0e42f2011-08-03 16:44:25 +020031 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));
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));
Martin Schwidefsky20b40a72011-10-30 15:16:47 +010048 DEFINE(__PT_SVC_CODE, offsetof(struct pt_regs, svc_code));
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070049 DEFINE(__PT_SIZE, sizeof(struct pt_regs));
Linus Torvalds1da177e2005-04-16 15:20:36 -070050 BLANK();
Christoph Lameter4ca4d7b2008-04-29 01:04:10 -070051 DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain));
52 DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs));
53 DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1));
Martin Schwidefskyb0206322008-12-25 13:38:36 +010054 BLANK();
55 /* timeval/timezone offsets for use by vdso */
56 DEFINE(__VDSO_UPD_COUNT, offsetof(struct vdso_data, tb_update_count));
57 DEFINE(__VDSO_XTIME_STAMP, offsetof(struct vdso_data, xtime_tod_stamp));
58 DEFINE(__VDSO_XTIME_SEC, offsetof(struct vdso_data, xtime_clock_sec));
59 DEFINE(__VDSO_XTIME_NSEC, offsetof(struct vdso_data, xtime_clock_nsec));
60 DEFINE(__VDSO_WTOM_SEC, offsetof(struct vdso_data, wtom_clock_sec));
61 DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
62 DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest));
Martin Schwidefskyc742b312008-12-31 15:11:42 +010063 DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available));
Hendrik Brueckner157a1a22010-04-22 17:17:06 +020064 DEFINE(__VDSO_NTP_MULT, offsetof(struct vdso_data, ntp_mult));
Heiko Carstenscbb870c2010-02-26 22:37:43 +010065 DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base));
66 DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time));
Martin Schwidefskyb0206322008-12-25 13:38:36 +010067 /* constants used by the vdso */
Heiko Carstensb3423982010-10-29 16:50:41 +020068 DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME);
69 DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC);
70 DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
Heiko Carstenscbb870c2010-02-26 22:37:43 +010071 BLANK();
Michael Holzheu1aaf1792009-09-22 22:58:53 +020072 /* constants for SIGP */
73 DEFINE(__SIGP_STOP, sigp_stop);
74 DEFINE(__SIGP_RESTART, sigp_restart);
75 DEFINE(__SIGP_SENSE, sigp_sense);
76 DEFINE(__SIGP_INITIAL_CPU_RESET, sigp_initial_cpu_reset);
Heiko Carstenscbb870c2010-02-26 22:37:43 +010077 BLANK();
78 /* lowcore offsets */
79 DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params));
80 DEFINE(__LC_CPU_ADDRESS, offsetof(struct _lowcore, cpu_addr));
81 DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code));
82 DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc));
83 DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code));
84 DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc));
85 DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code));
Martin Schwidefsky1e546222010-10-25 16:10:37 +020086 DEFINE(__LC_TRANS_EXC_CODE, offsetof(struct _lowcore, trans_exc_code));
Martin Schwidefsky5e9a2692011-01-05 12:48:10 +010087 DEFINE(__LC_PER_CAUSE, offsetof(struct _lowcore, per_perc_atmid));
Heiko Carstenscbb870c2010-02-26 22:37:43 +010088 DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
Martin Schwidefsky5e9a2692011-01-05 12:48:10 +010089 DEFINE(__LC_PER_PAID, offsetof(struct _lowcore, per_access_id));
Heiko Carstenscbb870c2010-02-26 22:37:43 +010090 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));
Martin Schwidefskyc5328902011-12-27 11:27:15 +0100111 DEFINE(__LC_SAVE_AREA_SYNC, offsetof(struct _lowcore, save_area_sync));
112 DEFINE(__LC_SAVE_AREA_ASYNC, offsetof(struct _lowcore, save_area_async));
113 DEFINE(__LC_SAVE_AREA_RESTART, offsetof(struct _lowcore, save_area_restart));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100114 DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
115 DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
116 DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
117 DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
Martin Schwidefsky63779812010-05-17 10:00:03 +0200118 DEFINE(__LC_MCCK_ENTER_TIMER, offsetof(struct _lowcore, mcck_enter_timer));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100119 DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
120 DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
121 DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
122 DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
123 DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
124 DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
125 DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
Heiko Carstensf2db2e62011-05-23 10:24:34 +0200126 DEFINE(__LC_CURRENT_PID, offsetof(struct _lowcore, current_pid));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100127 DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info));
128 DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
129 DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
130 DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
Christian Borntraeger480e5922011-09-20 17:07:28 +0200131 DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100132 DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
Martin Schwidefsky63779812010-05-17 10:00:03 +0200133 DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100134 DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
135 DEFINE(__LC_FTRACE_FUNC, offsetof(struct _lowcore, ftrace_func));
136 DEFINE(__LC_IRB, offsetof(struct _lowcore, irb));
137 DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
138 DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
139 DEFINE(__LC_PSW_SAVE_AREA, offsetof(struct _lowcore, psw_save_area));
140 DEFINE(__LC_PREFIX_SAVE_AREA, offsetof(struct _lowcore, prefixreg_save_area));
141 DEFINE(__LC_AREGS_SAVE_AREA, offsetof(struct _lowcore, access_regs_save_area));
142 DEFINE(__LC_FPREGS_SAVE_AREA, offsetof(struct _lowcore, floating_pt_save_area));
143 DEFINE(__LC_GPREGS_SAVE_AREA, offsetof(struct _lowcore, gpregs_save_area));
144 DEFINE(__LC_CREGS_SAVE_AREA, offsetof(struct _lowcore, cregs_save_area));
145#ifdef CONFIG_32BIT
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100146 DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr));
147#else /* CONFIG_32BIT */
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100148 DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2));
149 DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area));
150 DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
151 DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
152 DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
153 DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
Martin Schwidefskye5992f22011-07-24 10:48:20 +0200154 DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap));
Christian Borntraeger480e5922011-09-20 17:07:28 +0200155 DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce));
Heiko Carstenscbb870c2010-02-26 22:37:43 +0100156#endif /* CONFIG_32BIT */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157 return 0;
158}