157 			struct pt_regs *regs = (struct pt_regs *) (((void *)fp)  in do_show_stack()  local
160 			if (regs->syscall_nr != -1) {  in do_show_stack()
162 					regs->syscall_nr);  in do_show_stack()
164 					 pt_psp(regs), pt_elr(regs));  in do_show_stack()
170 					ex_name(pt_cause(regs)), pt_cause(regs),  in do_show_stack()
171 					pt_badva(regs));  in do_show_stack()
174 			newfp = (unsigned long *) regs->r30;  in do_show_stack()
175 			ip = pt_elr(regs);  in do_show_stack()
198 int die(const char *str, struct pt_regs *regs, long err)  in die()  argument
215 	if (notify_die(DIE_OOPS, str, regs, err, pt_cause(regs), SIGSEGV) ==  in die()
220 	show_regs(regs);  in die()
221 	do_show_stack(current, &regs->r30, pt_elr(regs));  in die()
239 int die_if_kernel(char *str, struct pt_regs *regs, long err)  in die_if_kernel()  argument
241 	if (!user_mode(regs))  in die_if_kernel()
242 		return die(str, regs, err);  in die_if_kernel()
250 static void misaligned_instruction(struct pt_regs *regs)  in misaligned_instruction()  argument
252 	die_if_kernel("Misaligned Instruction", regs, 0);  in misaligned_instruction()
261 static void misaligned_data_load(struct pt_regs *regs)  in misaligned_data_load()  argument
263 	die_if_kernel("Misaligned Data Load", regs, 0);  in misaligned_data_load()
267 static void misaligned_data_store(struct pt_regs *regs)  in misaligned_data_store()  argument
269 	die_if_kernel("Misaligned Data Store", regs, 0);  in misaligned_data_store()
273 static void illegal_instruction(struct pt_regs *regs)  in illegal_instruction()  argument
275 	die_if_kernel("Illegal Instruction", regs, 0);  in illegal_instruction()
283 static void precise_bus_error(struct pt_regs *regs)  in precise_bus_error()  argument
285 	die_if_kernel("Precise Bus Error", regs, 0);  in precise_bus_error()
294 static void cache_error(struct pt_regs *regs)  in cache_error()  argument
296 	die("Cache Error", regs, 0);  in cache_error()
302 void do_genex(struct pt_regs *regs)  in do_genex()  argument
307 	switch (pt_cause(regs)) {  in do_genex()
310 		execute_protection_fault(regs);  in do_genex()
314 		read_protection_fault(regs);  in do_genex()
318 		write_protection_fault(regs);  in do_genex()
321 		misaligned_instruction(regs);  in do_genex()
324 		illegal_instruction(regs);  in do_genex()
327 		misaligned_instruction(regs);  in do_genex()
330 		misaligned_data_load(regs);  in do_genex()
333 		misaligned_data_store(regs);  in do_genex()
337 		illegal_instruction(regs);  in do_genex()
340 		precise_bus_error(regs);  in do_genex()
343 		cache_error(regs);  in do_genex()
347 		panic("Unrecognized exception 0x%lx\n", pt_cause(regs));  in do_genex()
359 void do_trap0(struct pt_regs *regs)  in do_trap0()  argument
363 	switch (pt_cause(regs)) {  in do_trap0()
369 			tracehook_report_syscall_entry(regs)))  in do_trap0()
385 		regs->syscall_nr = regs->r06;  in do_trap0()
393 		regs->restart_r0 = regs->r00;  in do_trap0()
395 		if ((unsigned long) regs->syscall_nr >= __NR_syscalls) {  in do_trap0()
396 			regs->r00 = -1;  in do_trap0()
399 				  (sys_call_table[regs->syscall_nr]);  in do_trap0()
400 			regs->r00 = syscall(regs->r00, regs->r01,  in do_trap0()
401 				   regs->r02, regs->r03,  in do_trap0()
402 				   regs->r04, regs->r05);  in do_trap0()
407 			tracehook_report_syscall_exit(regs, 0);  in do_trap0()
412 		if (user_mode(regs)) {  in do_trap0()
425 			info.si_addr = (void __user *) pt_elr(regs);  in do_trap0()
429 			kgdb_handle_exception(pt_cause(regs), SIGTRAP,  in do_trap0()
430 					      TRAP_BRKPT, regs);  in do_trap0()
441 void do_machcheck(struct pt_regs *regs)  in do_machcheck()  argument
451 void do_debug_exception(struct pt_regs *regs)  in do_debug_exception()  argument
453 	regs->hvmer.vmest &= ~HVM_VMEST_CAUSE_MSK;  in do_debug_exception()
454 	regs->hvmer.vmest |= (TRAP_DEBUG << HVM_VMEST_CAUSE_SFT);  in do_debug_exception()
455 	do_trap0(regs);  in do_debug_exception()