s390/mm/fault.c

119 static inline void report_user_fault(struct pt_regs *regs, long int_code,
128 	printk("User process fault: interruption code 0x%lX ", int_code);
139 static noinline void do_sigsegv(struct pt_regs *regs, long int_code,
147 	current->thread.trap_no = int_code;
148 	report_user_fault(regs, int_code, SIGSEGV, address);
155 static noinline void do_no_context(struct pt_regs *regs, long int_code,
180 	die("Oops", regs, int_code);
184 static noinline void do_low_address(struct pt_regs *regs, long int_code,
191 		die ("Low-address protection", regs, int_code);
195 	do_no_context(regs, int_code, trans_exc_code);
198 static noinline void do_sigbus(struct pt_regs *regs, long int_code,
208 	tsk->thread.trap_no = int_code;
213 static noinline int signal_return(struct pt_regs *regs, long int_code,
234 		do_sigsegv(regs, int_code, SEGV_MAPERR, trans_exc_code);
239 static noinline void do_fault_error(struct pt_regs *regs, long int_code,
249 			signal_return(regs, int_code, trans_exc_code);
259 			do_sigsegv(regs, int_code, si_code, trans_exc_code);
263 		do_no_context(regs, int_code, trans_exc_code);
269 			do_sigbus(regs, int_code, trans_exc_code);
272 				do_no_context(regs, int_code, trans_exc_code);
284  * interruption code (int_code):
377 void __kprobes do_protection_exception(struct pt_regs *regs, long int_code)
383 	regs->psw.addr -= (int_code >> 16);
390 		do_low_address(regs, int_code, trans_exc_code);
398 void __kprobes do_dat_exception(struct pt_regs *regs, long int_code)
411 		do_fault_error(regs, int_code & 255, trans_exc_code, fault);
415 void __kprobes do_asce_exception(struct pt_regs *regs, long int_code)
437 		do_sigsegv(regs, int_code, SEGV_MAPERR, trans_exc_code);
442 	do_no_context(regs, int_code, trans_exc_code);
446 int __handle_fault(unsigned long uaddr, unsigned long int_code, int write_user)
464 			do_sigbus(&regs, int_code, uaddr);
530 static void pfault_interrupt(__u16 int_code)