xref: /linux/arch/s390/kernel/asm-offsets.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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/kvm_host.h>
11 #include <linux/sched.h>
12 #include <asm/idle.h>
13 #include <asm/vdso.h>
14 #include <asm/pgtable.h>
15 
16 /*
17  * Make sure that the compiler is new enough. We want a compiler that
18  * is known to work with the "Q" assembler constraint.
19  */
20 #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
21 #error Your compiler is too old; please use version 4.3 or newer
22 #endif
23 
24 int main(void)
25 {
26 	DEFINE(__TASK_thread_info, offsetof(struct task_struct, stack));
27 	DEFINE(__TASK_thread, offsetof(struct task_struct, thread));
28 	DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
29 	BLANK();
30 	DEFINE(__THREAD_ksp, offsetof(struct thread_struct, ksp));
31 	DEFINE(__THREAD_FPU_fpc, offsetof(struct thread_struct, fpu.fpc));
32 	DEFINE(__THREAD_FPU_flags, offsetof(struct thread_struct, fpu.flags));
33 	DEFINE(__THREAD_FPU_regs, offsetof(struct thread_struct, fpu.regs));
34 	DEFINE(__THREAD_per_cause, offsetof(struct thread_struct, per_event.cause));
35 	DEFINE(__THREAD_per_address, offsetof(struct thread_struct, per_event.address));
36 	DEFINE(__THREAD_per_paid, offsetof(struct thread_struct, per_event.paid));
37 	DEFINE(__THREAD_trap_tdb, offsetof(struct thread_struct, trap_tdb));
38 	BLANK();
39 	DEFINE(__TI_task, offsetof(struct thread_info, task));
40 	DEFINE(__TI_flags, offsetof(struct thread_info, flags));
41 	DEFINE(__TI_sysc_table, offsetof(struct thread_info, sys_call_table));
42 	DEFINE(__TI_cpu, offsetof(struct thread_info, cpu));
43 	DEFINE(__TI_precount, offsetof(struct thread_info, preempt_count));
44 	DEFINE(__TI_user_timer, offsetof(struct thread_info, user_timer));
45 	DEFINE(__TI_system_timer, offsetof(struct thread_info, system_timer));
46 	DEFINE(__TI_last_break, offsetof(struct thread_info, last_break));
47 	BLANK();
48 	DEFINE(__PT_ARGS, offsetof(struct pt_regs, args));
49 	DEFINE(__PT_PSW, offsetof(struct pt_regs, psw));
50 	DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs));
51 	DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2));
52 	DEFINE(__PT_INT_CODE, offsetof(struct pt_regs, int_code));
53 	DEFINE(__PT_INT_PARM, offsetof(struct pt_regs, int_parm));
54 	DEFINE(__PT_INT_PARM_LONG, offsetof(struct pt_regs, int_parm_long));
55 	DEFINE(__PT_FLAGS, offsetof(struct pt_regs, flags));
56 	DEFINE(__PT_SIZE, sizeof(struct pt_regs));
57 	BLANK();
58 	DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain));
59 	DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs));
60 	DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1));
61 	BLANK();
62 	/* timeval/timezone offsets for use by vdso */
63 	DEFINE(__VDSO_UPD_COUNT, offsetof(struct vdso_data, tb_update_count));
64 	DEFINE(__VDSO_XTIME_STAMP, offsetof(struct vdso_data, xtime_tod_stamp));
65 	DEFINE(__VDSO_XTIME_SEC, offsetof(struct vdso_data, xtime_clock_sec));
66 	DEFINE(__VDSO_XTIME_NSEC, offsetof(struct vdso_data, xtime_clock_nsec));
67 	DEFINE(__VDSO_XTIME_CRS_SEC, offsetof(struct vdso_data, xtime_coarse_sec));
68 	DEFINE(__VDSO_XTIME_CRS_NSEC, offsetof(struct vdso_data, xtime_coarse_nsec));
69 	DEFINE(__VDSO_WTOM_SEC, offsetof(struct vdso_data, wtom_clock_sec));
70 	DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec));
71 	DEFINE(__VDSO_WTOM_CRS_SEC, offsetof(struct vdso_data, wtom_coarse_sec));
72 	DEFINE(__VDSO_WTOM_CRS_NSEC, offsetof(struct vdso_data, wtom_coarse_nsec));
73 	DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest));
74 	DEFINE(__VDSO_ECTG_OK, offsetof(struct vdso_data, ectg_available));
75 	DEFINE(__VDSO_TK_MULT, offsetof(struct vdso_data, tk_mult));
76 	DEFINE(__VDSO_TK_SHIFT, offsetof(struct vdso_data, tk_shift));
77 	DEFINE(__VDSO_ECTG_BASE, offsetof(struct vdso_per_cpu_data, ectg_timer_base));
78 	DEFINE(__VDSO_ECTG_USER, offsetof(struct vdso_per_cpu_data, ectg_user_time));
79 	/* constants used by the vdso */
80 	DEFINE(__CLOCK_REALTIME, CLOCK_REALTIME);
81 	DEFINE(__CLOCK_MONOTONIC, CLOCK_MONOTONIC);
82 	DEFINE(__CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE);
83 	DEFINE(__CLOCK_MONOTONIC_COARSE, CLOCK_MONOTONIC_COARSE);
84 	DEFINE(__CLOCK_THREAD_CPUTIME_ID, CLOCK_THREAD_CPUTIME_ID);
85 	DEFINE(__CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
86 	DEFINE(__CLOCK_COARSE_RES, LOW_RES_NSEC);
87 	BLANK();
88 	/* idle data offsets */
89 	DEFINE(__CLOCK_IDLE_ENTER, offsetof(struct s390_idle_data, clock_idle_enter));
90 	DEFINE(__CLOCK_IDLE_EXIT, offsetof(struct s390_idle_data, clock_idle_exit));
91 	DEFINE(__TIMER_IDLE_ENTER, offsetof(struct s390_idle_data, timer_idle_enter));
92 	DEFINE(__TIMER_IDLE_EXIT, offsetof(struct s390_idle_data, timer_idle_exit));
93 	/* lowcore offsets */
94 	DEFINE(__LC_EXT_PARAMS, offsetof(struct _lowcore, ext_params));
95 	DEFINE(__LC_EXT_CPU_ADDR, offsetof(struct _lowcore, ext_cpu_addr));
96 	DEFINE(__LC_EXT_INT_CODE, offsetof(struct _lowcore, ext_int_code));
97 	DEFINE(__LC_SVC_ILC, offsetof(struct _lowcore, svc_ilc));
98 	DEFINE(__LC_SVC_INT_CODE, offsetof(struct _lowcore, svc_code));
99 	DEFINE(__LC_PGM_ILC, offsetof(struct _lowcore, pgm_ilc));
100 	DEFINE(__LC_PGM_INT_CODE, offsetof(struct _lowcore, pgm_code));
101 	DEFINE(__LC_TRANS_EXC_CODE, offsetof(struct _lowcore, trans_exc_code));
102 	DEFINE(__LC_MON_CLASS_NR, offsetof(struct _lowcore, mon_class_num));
103 	DEFINE(__LC_PER_CODE, offsetof(struct _lowcore, per_code));
104 	DEFINE(__LC_PER_ATMID, offsetof(struct _lowcore, per_atmid));
105 	DEFINE(__LC_PER_ADDRESS, offsetof(struct _lowcore, per_address));
106 	DEFINE(__LC_EXC_ACCESS_ID, offsetof(struct _lowcore, exc_access_id));
107 	DEFINE(__LC_PER_ACCESS_ID, offsetof(struct _lowcore, per_access_id));
108 	DEFINE(__LC_OP_ACCESS_ID, offsetof(struct _lowcore, op_access_id));
109 	DEFINE(__LC_AR_MODE_ID, offsetof(struct _lowcore, ar_mode_id));
110 	DEFINE(__LC_MON_CODE, offsetof(struct _lowcore, monitor_code));
111 	DEFINE(__LC_SUBCHANNEL_ID, offsetof(struct _lowcore, subchannel_id));
112 	DEFINE(__LC_SUBCHANNEL_NR, offsetof(struct _lowcore, subchannel_nr));
113 	DEFINE(__LC_IO_INT_PARM, offsetof(struct _lowcore, io_int_parm));
114 	DEFINE(__LC_IO_INT_WORD, offsetof(struct _lowcore, io_int_word));
115 	DEFINE(__LC_STFL_FAC_LIST, offsetof(struct _lowcore, stfl_fac_list));
116 	DEFINE(__LC_MCCK_CODE, offsetof(struct _lowcore, mcck_interruption_code));
117 	DEFINE(__LC_MCCK_EXT_DAM_CODE, offsetof(struct _lowcore, external_damage_code));
118 	DEFINE(__LC_RST_OLD_PSW, offsetof(struct _lowcore, restart_old_psw));
119 	DEFINE(__LC_EXT_OLD_PSW, offsetof(struct _lowcore, external_old_psw));
120 	DEFINE(__LC_SVC_OLD_PSW, offsetof(struct _lowcore, svc_old_psw));
121 	DEFINE(__LC_PGM_OLD_PSW, offsetof(struct _lowcore, program_old_psw));
122 	DEFINE(__LC_MCK_OLD_PSW, offsetof(struct _lowcore, mcck_old_psw));
123 	DEFINE(__LC_IO_OLD_PSW, offsetof(struct _lowcore, io_old_psw));
124 	DEFINE(__LC_RST_NEW_PSW, offsetof(struct _lowcore, restart_psw));
125 	DEFINE(__LC_EXT_NEW_PSW, offsetof(struct _lowcore, external_new_psw));
126 	DEFINE(__LC_SVC_NEW_PSW, offsetof(struct _lowcore, svc_new_psw));
127 	DEFINE(__LC_PGM_NEW_PSW, offsetof(struct _lowcore, program_new_psw));
128 	DEFINE(__LC_MCK_NEW_PSW, offsetof(struct _lowcore, mcck_new_psw));
129 	DEFINE(__LC_IO_NEW_PSW, offsetof(struct _lowcore, io_new_psw));
130 	BLANK();
131 	DEFINE(__LC_SAVE_AREA_SYNC, offsetof(struct _lowcore, save_area_sync));
132 	DEFINE(__LC_SAVE_AREA_ASYNC, offsetof(struct _lowcore, save_area_async));
133 	DEFINE(__LC_SAVE_AREA_RESTART, offsetof(struct _lowcore, save_area_restart));
134 	DEFINE(__LC_CPU_FLAGS, offsetof(struct _lowcore, cpu_flags));
135 	DEFINE(__LC_RETURN_PSW, offsetof(struct _lowcore, return_psw));
136 	DEFINE(__LC_RETURN_MCCK_PSW, offsetof(struct _lowcore, return_mcck_psw));
137 	DEFINE(__LC_SYNC_ENTER_TIMER, offsetof(struct _lowcore, sync_enter_timer));
138 	DEFINE(__LC_ASYNC_ENTER_TIMER, offsetof(struct _lowcore, async_enter_timer));
139 	DEFINE(__LC_MCCK_ENTER_TIMER, offsetof(struct _lowcore, mcck_enter_timer));
140 	DEFINE(__LC_EXIT_TIMER, offsetof(struct _lowcore, exit_timer));
141 	DEFINE(__LC_USER_TIMER, offsetof(struct _lowcore, user_timer));
142 	DEFINE(__LC_SYSTEM_TIMER, offsetof(struct _lowcore, system_timer));
143 	DEFINE(__LC_STEAL_TIMER, offsetof(struct _lowcore, steal_timer));
144 	DEFINE(__LC_LAST_UPDATE_TIMER, offsetof(struct _lowcore, last_update_timer));
145 	DEFINE(__LC_LAST_UPDATE_CLOCK, offsetof(struct _lowcore, last_update_clock));
146 	DEFINE(__LC_CURRENT, offsetof(struct _lowcore, current_task));
147 	DEFINE(__LC_CURRENT_PID, offsetof(struct _lowcore, current_pid));
148 	DEFINE(__LC_THREAD_INFO, offsetof(struct _lowcore, thread_info));
149 	DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack));
150 	DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack));
151 	DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack));
152 	DEFINE(__LC_RESTART_STACK, offsetof(struct _lowcore, restart_stack));
153 	DEFINE(__LC_RESTART_FN, offsetof(struct _lowcore, restart_fn));
154 	DEFINE(__LC_RESTART_DATA, offsetof(struct _lowcore, restart_data));
155 	DEFINE(__LC_RESTART_SOURCE, offsetof(struct _lowcore, restart_source));
156 	DEFINE(__LC_KERNEL_ASCE, offsetof(struct _lowcore, kernel_asce));
157 	DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce));
158 	DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock));
159 	DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock));
160 	DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags));
161 	DEFINE(__LC_DUMP_REIPL, offsetof(struct _lowcore, ipib));
162 	BLANK();
163 	DEFINE(__LC_CPU_TIMER_SAVE_AREA, offsetof(struct _lowcore, cpu_timer_save_area));
164 	DEFINE(__LC_CLOCK_COMP_SAVE_AREA, offsetof(struct _lowcore, clock_comp_save_area));
165 	DEFINE(__LC_PSW_SAVE_AREA, offsetof(struct _lowcore, psw_save_area));
166 	DEFINE(__LC_PREFIX_SAVE_AREA, offsetof(struct _lowcore, prefixreg_save_area));
167 	DEFINE(__LC_AREGS_SAVE_AREA, offsetof(struct _lowcore, access_regs_save_area));
168 	DEFINE(__LC_FPREGS_SAVE_AREA, offsetof(struct _lowcore, floating_pt_save_area));
169 	DEFINE(__LC_GPREGS_SAVE_AREA, offsetof(struct _lowcore, gpregs_save_area));
170 	DEFINE(__LC_CREGS_SAVE_AREA, offsetof(struct _lowcore, cregs_save_area));
171 	DEFINE(__LC_DATA_EXC_CODE, offsetof(struct _lowcore, data_exc_code));
172 	DEFINE(__LC_MCCK_FAIL_STOR_ADDR, offsetof(struct _lowcore, failing_storage_address));
173 	DEFINE(__LC_VX_SAVE_AREA_ADDR, offsetof(struct _lowcore, vector_save_area_addr));
174 	DEFINE(__LC_EXT_PARAMS2, offsetof(struct _lowcore, ext_params2));
175 	DEFINE(SAVE_AREA_BASE, offsetof(struct _lowcore, floating_pt_save_area));
176 	DEFINE(__LC_PASTE, offsetof(struct _lowcore, paste));
177 	DEFINE(__LC_FP_CREG_SAVE_AREA, offsetof(struct _lowcore, fpt_creg_save_area));
178 	DEFINE(__LC_LAST_BREAK, offsetof(struct _lowcore, breaking_event_addr));
179 	DEFINE(__LC_PERCPU_OFFSET, offsetof(struct _lowcore, percpu_offset));
180 	DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
181 	DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap));
182 	DEFINE(__LC_PGM_TDB, offsetof(struct _lowcore, pgm_tdb));
183 	DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce));
184 	DEFINE(__SIE_PROG0C, offsetof(struct kvm_s390_sie_block, prog0c));
185 	DEFINE(__SIE_PROG20, offsetof(struct kvm_s390_sie_block, prog20));
186 	return 0;
187 }
188