159 			struct pt_regs *regs = (struct pt_regs *) (((void *)fp)  in do_show_stack()  local
162 			if (regs->syscall_nr != -1) {  in do_show_stack()
164 					regs->syscall_nr);  in do_show_stack()
166 					 pt_psp(regs), pt_elr(regs));  in do_show_stack()
172 					ex_name(pt_cause(regs)), pt_cause(regs),  in do_show_stack()
173 					pt_badva(regs));  in do_show_stack()
176 			newfp = (unsigned long *) regs->r30;  in do_show_stack()
177 			ip = pt_elr(regs);  in do_show_stack()
200 int die(const char *str, struct pt_regs *regs, long err)  in die()  argument
217 	if (notify_die(DIE_OOPS, str, regs, err, pt_cause(regs), SIGSEGV) ==  in die()
222 	show_regs(regs);  in die()
223 	do_show_stack(current, &regs->r30, pt_elr(regs));  in die()
241 int die_if_kernel(char *str, struct pt_regs *regs, long err)  in die_if_kernel()  argument
243 	if (!user_mode(regs))  in die_if_kernel()
244 		return die(str, regs, err);  in die_if_kernel()
252 static void misaligned_instruction(struct pt_regs *regs)  in misaligned_instruction()  argument
254 	die_if_kernel("Misaligned Instruction", regs, 0);  in misaligned_instruction()
263 static void misaligned_data_load(struct pt_regs *regs)  in misaligned_data_load()  argument
265 	die_if_kernel("Misaligned Data Load", regs, 0);  in misaligned_data_load()
269 static void misaligned_data_store(struct pt_regs *regs)  in misaligned_data_store()  argument
271 	die_if_kernel("Misaligned Data Store", regs, 0);  in misaligned_data_store()
275 static void illegal_instruction(struct pt_regs *regs)  in illegal_instruction()  argument
277 	die_if_kernel("Illegal Instruction", regs, 0);  in illegal_instruction()
285 static void precise_bus_error(struct pt_regs *regs)  in precise_bus_error()  argument
287 	die_if_kernel("Precise Bus Error", regs, 0);  in precise_bus_error()
296 static void cache_error(struct pt_regs *regs)  in cache_error()  argument
298 	die("Cache Error", regs, 0);  in cache_error()
304 void do_genex(struct pt_regs *regs)  in do_genex()  argument
309 	switch (pt_cause(regs)) {  in do_genex()
312 		execute_protection_fault(regs);  in do_genex()
316 		read_protection_fault(regs);  in do_genex()
320 		write_protection_fault(regs);  in do_genex()
323 		misaligned_instruction(regs);  in do_genex()
326 		illegal_instruction(regs);  in do_genex()
329 		misaligned_instruction(regs);  in do_genex()
332 		misaligned_data_load(regs);  in do_genex()
335 		misaligned_data_store(regs);  in do_genex()
339 		illegal_instruction(regs);  in do_genex()
342 		precise_bus_error(regs);  in do_genex()
345 		cache_error(regs);  in do_genex()
349 		panic("Unrecognized exception 0x%lx\n", pt_cause(regs));  in do_genex()
361 void do_trap0(struct pt_regs *regs)  in do_trap0()  argument
365 	switch (pt_cause(regs)) {  in do_trap0()
371 			tracehook_report_syscall_entry(regs)))  in do_trap0()
387 		regs->syscall_nr = regs->r06;  in do_trap0()
395 		regs->restart_r0 = regs->r00;  in do_trap0()
397 		if ((unsigned long) regs->syscall_nr >= __NR_syscalls) {  in do_trap0()
398 			regs->r00 = -1;  in do_trap0()
401 				  (sys_call_table[regs->syscall_nr]);  in do_trap0()
402 			regs->r00 = syscall(regs->r00, regs->r01,  in do_trap0()
403 				   regs->r02, regs->r03,  in do_trap0()
404 				   regs->r04, regs->r05);  in do_trap0()
409 			tracehook_report_syscall_exit(regs, 0);  in do_trap0()
414 		if (user_mode(regs)) {  in do_trap0()
423 					(void __user *) pt_elr(regs), current);  in do_trap0()
426 			kgdb_handle_exception(pt_cause(regs), SIGTRAP,  in do_trap0()
427 					      TRAP_BRKPT, regs);  in do_trap0()
438 void do_machcheck(struct pt_regs *regs)  in do_machcheck()  argument
448 void do_debug_exception(struct pt_regs *regs)  in do_debug_exception()  argument
450 	regs->hvmer.vmest &= ~HVM_VMEST_CAUSE_MSK;  in do_debug_exception()
451 	regs->hvmer.vmest |= (TRAP_DEBUG << HVM_VMEST_CAUSE_SFT);  in do_debug_exception()
452 	do_trap0(regs);  in do_debug_exception()