40 	kdb_current_task = kgdb_info[ks->cpu].task;  in kdb_common_init_state()
41 	kdb_current_regs = kgdb_info[ks->cpu].debuggerinfo;  in kdb_common_init_state()
47 	kdb_initial_cpu = -1;  in kdb_common_deinit_state()
57 	unsigned long addr = kgdb_arch_pc(ks->ex_vector, ks->linux_regs);  in kdb_stub()
66 		addr = instruction_pointer(ks->linux_regs);  in kdb_stub()
68 	ks->pass_exception = 0;  in kdb_stub()
72 	if (ks->err_code == KDB_REASON_SYSTEM_NMI && ks->signo == SIGTRAP)  in kdb_stub()
79 		if ((bp->bp_enabled) && (bp->bp_addr == addr)) {  in kdb_stub()
82 			if (addr != instruction_pointer(ks->linux_regs))  in kdb_stub()
83 				kgdb_arch_set_pc(ks->linux_regs, addr);  in kdb_stub()
89 			if (bp->bp_free)  in kdb_stub()
91 			if (bp->bp_addr == addr) {  in kdb_stub()
92 				bp->bp_delay = 1;  in kdb_stub()
93 				bp->bp_delayed = 1;  in kdb_stub()
95 	 * SSBPT is set when the kernel debugger must single step a  in kdb_stub()
96 	 * task in order to re-establish an instruction breakpoint  in kdb_stub()
98 	 * cleared by any action that removes the need to single-step  in kdb_stub()
109 	if (reason != KDB_REASON_BREAK && ks->ex_vector == 0 &&  in kdb_stub()
110 		ks->signo == SIGTRAP) {  in kdb_stub()
117 	/* Remove any breakpoints as needed by kdb and clear single step */  in kdb_stub()
121 	if (ks->err_code == DIE_OOPS || reason == KDB_REASON_OOPS) {  in kdb_stub()
122 		ks->pass_exception = 1;  in kdb_stub()
135 				      ks->err_code, db_result, ks->linux_regs);  in kdb_stub()
148 	kdb_bp_install(ks->linux_regs);  in kdb_stub()
149 	/* Set the exit state to a single step or a continue */  in kdb_stub()
158 	kgdb_info[ks->cpu].ret_state = gdbstub_state(ks, "e");  in kdb_stub()
159 	if (ks->pass_exception)  in kdb_stub()
160 		kgdb_info[ks->cpu].ret_state = 1;  in kdb_stub()
164 		 * Force clear the single step bit because kdb emulates this  in kdb_stub()
170 	return kgdb_info[ks->cpu].ret_state;  in kdb_stub()