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 #include <linux/sched.h> 8 #include <linux/kbuild.h> 9 #include <asm/vdso.h> 10 11 int main(void) 12 { 13 DEFINE(__THREAD_info, offsetof(struct task_struct, stack)); 14 DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp)); 15 DEFINE(__THREAD_per, offsetof(struct task_struct, thread.per_info)); 16 DEFINE(__THREAD_mm_segment, 17 offsetof(struct task_struct, thread.mm_segment)); 18 BLANK(); 19 DEFINE(__TASK_pid, offsetof(struct task_struct, pid)); 20 BLANK(); 21 DEFINE(__PER_atmid, offsetof(per_struct, lowcore.words.perc_atmid)); 22 DEFINE(__PER_address, offsetof(per_struct, lowcore.words.address)); 23 DEFINE(__PER_access_id, offsetof(per_struct, lowcore.words.access_id)); 24 BLANK(); 25 DEFINE(__TI_task, offsetof(struct thread_info, task)); 26 DEFINE(__TI_domain, offsetof(struct thread_info, exec_domain)); 27 DEFINE(__TI_flags, offsetof(struct thread_info, flags)); 28 DEFINE(__TI_cpu, offsetof(struct thread_info, cpu)); 29 DEFINE(__TI_precount, offsetof(struct thread_info, preempt_count)); 30 BLANK(); 31 DEFINE(__PT_ARGS, offsetof(struct pt_regs, args)); 32 DEFINE(__PT_PSW, offsetof(struct pt_regs, psw)); 33 DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs)); 34 DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2)); 35 DEFINE(__PT_ILC, offsetof(struct pt_regs, ilc)); 36 DEFINE(__PT_SVCNR, offsetof(struct pt_regs, svcnr)); 37 DEFINE(__PT_SIZE, sizeof(struct pt_regs)); 38 BLANK(); 39 DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain)); 40 DEFINE(__SF_GPRS, offsetof(struct stack_frame, gprs)); 41 DEFINE(__SF_EMPTY, offsetof(struct stack_frame, empty1)); 42 BLANK(); 43 /* timeval/timezone offsets for use by vdso */ 44 DEFINE(__VDSO_UPD_COUNT, offsetof(struct vdso_data, tb_update_count)); 45 DEFINE(__VDSO_XTIME_STAMP, offsetof(struct vdso_data, xtime_tod_stamp)); 46 DEFINE(__VDSO_XTIME_SEC, offsetof(struct vdso_data, xtime_clock_sec)); 47 DEFINE(__VDSO_XTIME_NSEC, offsetof(struct vdso_data, xtime_clock_nsec)); 48 DEFINE(__VDSO_WTOM_SEC, offsetof(struct vdso_data, wtom_clock_sec)); 49 DEFINE(__VDSO_WTOM_NSEC, offsetof(struct vdso_data, wtom_clock_nsec)); 50 DEFINE(__VDSO_TIMEZONE, offsetof(struct vdso_data, tz_minuteswest)); 51 /* constants used by the vdso */ 52 DEFINE(CLOCK_REALTIME, CLOCK_REALTIME); 53 DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC); 54 DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC); 55 56 return 0; 57 } 58