42 extern void handle_per_exception(struct pt_regs *regs);
62 extern void pfault_interrupt(struct pt_regs *regs, __u16 error_code);
175 void show_registers(struct pt_regs *regs)  in show_registers()  argument
181 	mode = (regs->psw.mask & PSW_PROBLEM_STATE) ? "User" : "Krnl";  in show_registers()
183 	       mode, (unsigned long) regs->psw.mask,  in show_registers()
184 	       (unsigned long) regs->psw.addr);  in show_registers()
186 	       regs->gprs[0], regs->gprs[1], regs->gprs[2], regs->gprs[3]);  in show_registers()
188 	       regs->gprs[4], regs->gprs[5], regs->gprs[6], regs->gprs[7]);  in show_registers()
190 	       regs->gprs[8], regs->gprs[9], regs->gprs[10], regs->gprs[11]);  in show_registers()
192 	       regs->gprs[12], regs->gprs[13], regs->gprs[14], regs->gprs[15]);  in show_registers()
194 	       regs->acrs[0], regs->acrs[1], regs->acrs[2], regs->acrs[3]);  in show_registers()
196 	       regs->acrs[4], regs->acrs[5], regs->acrs[6], regs->acrs[7]);  in show_registers()
198 	       regs->acrs[8], regs->acrs[9], regs->acrs[10], regs->acrs[11]);  in show_registers()
200 	       regs->acrs[12], regs->acrs[13], regs->acrs[14], regs->acrs[15]);  in show_registers()
207 	if (regs->psw.mask & PSW_PROBLEM_STATE)  in show_registers()
214 		if (__get_user(c, (char *)(regs->psw.addr + i))) {  in show_registers()
228 	struct pt_regs *regs;  in task_show_regs()  local
230 	regs = __KSTK_PTREGS(task);  in task_show_regs()
234 		       (unsigned long) regs->psw.mask,   in task_show_regs()
235 		       (unsigned long) regs->psw.addr);  in task_show_regs()
237 		       regs->gprs[0], regs->gprs[1],  in task_show_regs()
238 		       regs->gprs[2], regs->gprs[3]);  in task_show_regs()
240 		       regs->gprs[4], regs->gprs[5],   in task_show_regs()
241 		       regs->gprs[6], regs->gprs[7]);  in task_show_regs()
243 		       regs->gprs[8], regs->gprs[9],  in task_show_regs()
244 		       regs->gprs[10], regs->gprs[11]);  in task_show_regs()
246 		       regs->gprs[12], regs->gprs[13],  in task_show_regs()
247 		       regs->gprs[14], regs->gprs[15]);  in task_show_regs()
249 		       regs->acrs[0], regs->acrs[1],  in task_show_regs()
250 		       regs->acrs[2], regs->acrs[3]);  in task_show_regs()
252 		       regs->acrs[4], regs->acrs[5],  in task_show_regs()
253 		       regs->acrs[6], regs->acrs[7]);  in task_show_regs()
255 		       regs->acrs[8], regs->acrs[9],  in task_show_regs()
256 		       regs->acrs[10], regs->acrs[11]);  in task_show_regs()
258 		       regs->acrs[12], regs->acrs[13],  in task_show_regs()
259 		       regs->acrs[14], regs->acrs[15]);  in task_show_regs()
265 void die(const char * str, struct pt_regs * regs, long err)  in die()  argument
271         show_regs(regs);  in die()
278                            struct pt_regs *regs, siginfo_t *info)  in do_trap()  argument
284 	if (regs->psw.mask & PSW_PROBLEM_STATE)  in do_trap()
287         if (regs->psw.mask & PSW_PROBLEM_STATE) {  in do_trap()
298                 show_regs(regs);  in do_trap()
304 			show_regs(regs);  in do_trap()
308                 unsigned long fixup = search_exception_table(regs->psw.addr);  in do_trap()
310                         regs->psw.addr = fixup;  in do_trap()
312                         die(str, regs, interruption_code);  in do_trap()
316 static inline void *get_check_address(struct pt_regs *regs)  in get_check_address()  argument
318 	return (void *) ADDR_BITS_REMOVE(regs->psw.addr-S390_lowcore.pgm_ilc);  in get_check_address()
321 int do_debugger_trap(struct pt_regs *regs,int signal)  in do_debugger_trap()  argument
323 	if(regs->psw.mask&PSW_PROBLEM_STATE)  in do_debugger_trap()
335 			gdb_stub_handle_exception(regs, signal);  in do_debugger_trap()
345 asmlinkage void name(struct pt_regs * regs, long interruption_code) \
347 	do_trap(interruption_code, signr, str, regs, NULL); \
351 asmlinkage void name(struct pt_regs * regs, long interruption_code) \
358         do_trap(interruption_code, signr, str, regs, &info); \
364 	      BUS_ADRERR, get_check_address(regs))
366 	      ILL_ILLOPN, get_check_address(regs))
368 	      FPE_INTDIV, get_check_address(regs))
370 	      ILL_ILLOPN, get_check_address(regs))
372 	      ILL_PRVOPC, get_check_address(regs))
374 	      ILL_ILLOPN, get_check_address(regs))
376 	      ILL_ILLOPN, get_check_address(regs))
378 	      ILL_ILLOPN, get_check_address(regs))
381 do_fp_trap(struct pt_regs *regs, void *location,  in do_fp_trap()  argument
406 		"floating point exception", regs, &si);  in do_fp_trap()
409 asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code)  in illegal_op()  argument
415 	location = (__u16 *) get_check_address(regs);  in illegal_op()
421 	if (regs->psw.mask & PSW_PROBLEM_STATE)  in illegal_op()
428 	if(regs->psw.mask & PSW_PROBLEM_STATE)  in illegal_op()
434 		if(do_debugger_trap(regs,SIGTRAP))  in illegal_op()
441 			"illegal operation", regs, NULL);  in illegal_op()
444 asmlinkage void data_exception(struct pt_regs * regs, long interruption_code)  in data_exception()  argument
448 	location = (__u16 *) get_check_address(regs);  in data_exception()
454 	if (regs->psw.mask & PSW_PROBLEM_STATE)  in data_exception()
461 		do_fp_trap(regs, location,  in data_exception()
470 			"data exception", regs, &info);  in data_exception()
520 void handle_per_exception(struct pt_regs *regs)  in handle_per_exception()  argument
522 	if(regs->psw.mask&PSW_PROBLEM_STATE)  in handle_per_exception()
529 	if(do_debugger_trap(regs,SIGTRAP))  in handle_per_exception()
534 		show_regs(regs);  in handle_per_exception()
536 		regs->psw.mask &= ~PSW_PER_MASK;  in handle_per_exception()