142 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in swap_instruction()  local
143 	unsigned long status = kcb->kprobe_status;  in swap_instruction()
146 	kcb->kprobe_status = KPROBE_SWAP_INST;  in swap_instruction()
148 	kcb->kprobe_status = status;  in swap_instruction()
174 static void __kprobes enable_singlestep(struct kprobe_ctlblk *kcb,  in enable_singlestep()  argument
186 	__ctl_store(kcb->kprobe_saved_ctl, 9, 11);  in enable_singlestep()
187 	kcb->kprobe_saved_imask = regs->psw.mask &  in enable_singlestep()
197 static void __kprobes disable_singlestep(struct kprobe_ctlblk *kcb,  in disable_singlestep()  argument
202 	__ctl_load(kcb->kprobe_saved_ctl, 9, 11);  in disable_singlestep()
204 	regs->psw.mask |= kcb->kprobe_saved_imask;  in disable_singlestep()
213 static void __kprobes push_kprobe(struct kprobe_ctlblk *kcb, struct kprobe *p)  in push_kprobe()  argument
215 	kcb->prev_kprobe.kp = __get_cpu_var(current_kprobe);  in push_kprobe()
216 	kcb->prev_kprobe.status = kcb->kprobe_status;  in push_kprobe()
225 static void __kprobes pop_kprobe(struct kprobe_ctlblk *kcb)  in pop_kprobe()  argument
227 	__get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;  in pop_kprobe()
228 	kcb->kprobe_status = kcb->prev_kprobe.status;  in pop_kprobe()
240 static void __kprobes kprobe_reenter_check(struct kprobe_ctlblk *kcb,  in kprobe_reenter_check()  argument
243 	switch (kcb->kprobe_status) {  in kprobe_reenter_check()
264 	struct kprobe_ctlblk *kcb;  in kprobe_handler()  local
273 	kcb = get_kprobe_ctlblk();  in kprobe_handler()
287 			kprobe_reenter_check(kcb, p);  in kprobe_handler()
288 			push_kprobe(kcb, p);  in kprobe_handler()
289 			kcb->kprobe_status = KPROBE_REENTER;  in kprobe_handler()
299 			push_kprobe(kcb, p);  in kprobe_handler()
300 			kcb->kprobe_status = KPROBE_HIT_ACTIVE;  in kprobe_handler()
303 			kcb->kprobe_status = KPROBE_HIT_SS;  in kprobe_handler()
305 		enable_singlestep(kcb, regs, (unsigned long) p->ainsn.insn);  in kprobe_handler()
317 			kcb->kprobe_status = KPROBE_HIT_SS;  in kprobe_handler()
318 			enable_singlestep(kcb, regs,  in kprobe_handler()
452 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in resume_execution()  local
471 	disable_singlestep(kcb, regs, ip);  in resume_execution()
476 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in post_kprobe_handler()  local
482 	if (kcb->kprobe_status != KPROBE_REENTER && p->post_handler) {  in post_kprobe_handler()
483 		kcb->kprobe_status = KPROBE_HIT_SSDONE;  in post_kprobe_handler()
488 	pop_kprobe(kcb);  in post_kprobe_handler()
504 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in kprobe_trap_handler()  local
508 	switch(kcb->kprobe_status) {  in kprobe_trap_handler()
521 		disable_singlestep(kcb, regs, (unsigned long) p->addr);  in kprobe_trap_handler()
522 		pop_kprobe(kcb);  in kprobe_trap_handler()
617 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in setjmp_pre_handler()  local
620 	memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs));  in setjmp_pre_handler()
629 	memcpy(kcb->jprobes_stack, (void *) stack, MIN_STACK_SIZE(stack));  in setjmp_pre_handler()
645 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();  in longjmp_break_handler()  local
648 	stack = (unsigned long) kcb->jprobe_saved_regs.gprs[15];  in longjmp_break_handler()
651 	memcpy(regs, &kcb->jprobe_saved_regs, sizeof(struct pt_regs));  in longjmp_break_handler()
653 	memcpy((void *) stack, kcb->jprobes_stack, MIN_STACK_SIZE(stack));  in longjmp_break_handler()