Root/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
14/*
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
22int main(void)
23{
24    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));
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(__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));
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_ILC, offsetof(struct pt_regs, ilc));
49    DEFINE(__PT_SVCNR, offsetof(struct pt_regs, svcnr));
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_ATMID, offsetof(struct _lowcore, per_perc_atmid));
89    DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
90    DEFINE(__LC_PER_ACCESS_ID, 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, offsetof(struct _lowcore, save_area));
113    DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
114    DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
115    DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
116    DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
117    DEFINE(__LC_MCCK_ENTER_TIMER, offsetof(struct _lowcore, mcck_enter_timer));
118    DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
119    DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
120    DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
121    DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
122    DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
123    DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
124    DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
125    DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info));
126    DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
127    DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
128    DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
129    DEFINE(__LC_KERNEL_ASCE, offsetof(struct _lowcore, kernel_asce));
130    DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
131    DEFINE(__LC_USER_EXEC_ASCE, offsetof(struct _lowcore, user_exec_asce));
132    DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
133    DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
134    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
146    DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, extended_save_area_addr));
147#else /* CONFIG_32BIT */
148    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));
154    DEFINE(__LC_SIE_HOOK, offsetof(struct _lowcore, sie_hook));
155    DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp));
156#endif /* CONFIG_32BIT */
157    return 0;
158}
159

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