472 static int kgdb_reenter_check(struct kgdb_state *ks)  in kgdb_reenter_check()  argument
481 	addr = kgdb_arch_pc(ks->ex_vector, ks->linux_regs);  in kgdb_reenter_check()
492 		kgdb_skipexception(ks->ex_vector, ks->linux_regs);  in kgdb_reenter_check()
500 	kgdb_skipexception(ks->ex_vector, ks->linux_regs);  in kgdb_reenter_check()
525 static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs,  in kgdb_cpu_enter()  argument
536 	kgdb_info[ks->cpu].enter_kgdb++;  in kgdb_cpu_enter()
537 	kgdb_info[ks->cpu].exception_state |= exception_state;  in kgdb_cpu_enter()
554 	cpu = ks->cpu;  in kgdb_cpu_enter()
634 	if (kgdb_skipexception(ks->ex_vector, ks->linux_regs))  in kgdb_cpu_enter()
650 	if (ks->send_ready)  in kgdb_cpu_enter()
651 		atomic_set(ks->send_ready, 1);  in kgdb_cpu_enter()
685 			error = kdb_stub(ks);  in kgdb_cpu_enter()
690 			error = gdb_serial_stub(ks);  in kgdb_cpu_enter()
756 	struct kgdb_state *ks = &kgdb_var;  in kgdb_handle_exception()  local
770 	memset(ks, 0, sizeof(struct kgdb_state));  in kgdb_handle_exception()
771 	ks->cpu			= raw_smp_processor_id();  in kgdb_handle_exception()
772 	ks->ex_vector		= evector;  in kgdb_handle_exception()
773 	ks->signo		= signo;  in kgdb_handle_exception()
774 	ks->err_code		= ecode;  in kgdb_handle_exception()
775 	ks->linux_regs		= regs;  in kgdb_handle_exception()
777 	if (kgdb_reenter_check(ks))  in kgdb_handle_exception()
779 	if (kgdb_info[ks->cpu].enter_kgdb != 0)  in kgdb_handle_exception()
782 	ret = kgdb_cpu_enter(ks, regs, DCPU_WANT_MASTER);  in kgdb_handle_exception()
806 	struct kgdb_state *ks = &kgdb_var;  in kgdb_nmicallback()  local
810 	memset(ks, 0, sizeof(struct kgdb_state));  in kgdb_nmicallback()
811 	ks->cpu			= cpu;  in kgdb_nmicallback()
812 	ks->linux_regs		= regs;  in kgdb_nmicallback()
814 	if (kgdb_info[ks->cpu].enter_kgdb == 0 &&  in kgdb_nmicallback()
816 		kgdb_cpu_enter(ks, regs, DCPU_IS_SLAVE);  in kgdb_nmicallback()
832 		struct kgdb_state *ks = &kgdb_var;  in kgdb_nmicallin()  local
834 		memset(ks, 0, sizeof(struct kgdb_state));  in kgdb_nmicallin()
835 		ks->cpu			= cpu;  in kgdb_nmicallin()
836 		ks->ex_vector		= trapnr;  in kgdb_nmicallin()
837 		ks->signo		= SIGTRAP;  in kgdb_nmicallin()
838 		ks->err_code		= err_code;  in kgdb_nmicallin()
839 		ks->linux_regs		= regs;  in kgdb_nmicallin()
840 		ks->send_ready		= send_ready;  in kgdb_nmicallin()
841 		kgdb_cpu_enter(ks, regs, DCPU_WANT_MASTER);  in kgdb_nmicallin()