27 static inline void __user *get_trap_ip(struct pt_regs *regs)  in get_trap_ip()  argument
31 	if (regs->int_code & 0x200)  in get_trap_ip()
34 		address = regs->psw.addr;  in get_trap_ip()
36 		((address - (regs->int_code >> 16)) & PSW_ADDR_INSN);  in get_trap_ip()
39 static inline void report_user_fault(struct pt_regs *regs, int signr)  in report_user_fault()  argument
48 	       regs->int_code & 0xffff, regs->int_code >> 17);  in report_user_fault()
49 	print_vma_addr("in ", regs->psw.addr & PSW_ADDR_INSN);  in report_user_fault()
51 	show_regs(regs);  in report_user_fault()
59 void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str)  in do_report_trap()  argument
63 	if (user_mode(regs)) {  in do_report_trap()
67 		info.si_addr = get_trap_ip(regs);  in do_report_trap()
69 		report_user_fault(regs, si_signo);  in do_report_trap()
72                 fixup = search_exception_tables(regs->psw.addr & PSW_ADDR_INSN);  in do_report_trap()
74 			regs->psw.addr = extable_fixup(fixup) | PSW_ADDR_AMODE;  in do_report_trap()
78 			btt = report_bug(regs->psw.addr & PSW_ADDR_INSN, regs);  in do_report_trap()
81 			die(regs, str);  in do_report_trap()
86 static void do_trap(struct pt_regs *regs, int si_signo, int si_code, char *str)  in do_trap()  argument
88 	if (notify_die(DIE_TRAP, str, regs, 0,  in do_trap()
89 		       regs->int_code, si_signo) == NOTIFY_STOP)  in do_trap()
91 	do_report_trap(regs, si_signo, si_code, str);  in do_trap()
95 void do_per_trap(struct pt_regs *regs)  in do_per_trap()  argument
99 	if (notify_die(DIE_SSTEP, "sstep", regs, 0, 0, SIGTRAP) == NOTIFY_STOP)  in do_per_trap()
112 void default_trap_handler(struct pt_regs *regs)  in default_trap_handler()  argument
114 	if (user_mode(regs)) {  in default_trap_handler()
115 		report_user_fault(regs, SIGSEGV);  in default_trap_handler()
118 		die(regs, "Unknown program exception");  in default_trap_handler()
122 void name(struct pt_regs *regs)			\
124 	do_trap(regs, signr, sicode, str);	\
154 static inline void do_fp_trap(struct pt_regs *regs, int fpc)  in do_fp_trap()  argument
171 	do_trap(regs, SIGFPE, si_code, "floating point exception");  in do_fp_trap()
174 void translation_exception(struct pt_regs *regs)  in translation_exception()  argument
180 void illegal_op(struct pt_regs *regs)  in illegal_op()  argument
188 	location = get_trap_ip(regs);  in illegal_op()
190 	if (user_mode(regs)) {  in illegal_op()
214 	if (is_uprobe_insn || !user_mode(regs)) {  in illegal_op()
215 		if (notify_die(DIE_BPT, "bpt", regs, 0,  in illegal_op()
220 		do_trap(regs, signal, ILL_ILLOPC, "illegal operation");  in illegal_op()
252 void vector_exception(struct pt_regs *regs)  in vector_exception()  argument
257 		do_trap(regs, SIGILL, ILL_ILLOPN, "illegal operation");  in vector_exception()
283 	do_trap(regs, SIGFPE, si_code, "vector exception");  in vector_exception()
293 void data_exception(struct pt_regs *regs)  in data_exception()  argument
298 	location = get_trap_ip(regs);  in data_exception()
306 		regs->psw.addr = __rewind_psw(regs->psw, regs->int_code >> 16);  in data_exception()
307 		clear_pt_regs_flag(regs, PIF_PER_TRAP);  in data_exception()
315 		do_fp_trap(regs, current->thread.fp_regs.fpc);  in data_exception()
317 		do_trap(regs, signal, ILL_ILLOPN, "data exception");  in data_exception()
320 void space_switch_exception(struct pt_regs *regs)  in space_switch_exception()  argument
323 	if (user_mode(regs))  in space_switch_exception()
324 		regs->psw.mask |= PSW_ASC_HOME;  in space_switch_exception()
326 	do_trap(regs, SIGILL, ILL_PRVOPC, "space switch event");  in space_switch_exception()
329 void kernel_stack_overflow(struct pt_regs *regs)  in kernel_stack_overflow()  argument
333 	show_regs(regs);  in kernel_stack_overflow()