17 void die(const char *str, struct pt_regs *regs, long err)  in die()  argument
29 	show_regs(regs);  in die()
34 	if (!user_mode(regs) || in_interrupt())  in die()
35 		dump_mem("Stack: ", regs->regs[15], THREAD_SIZE +  in die()
38 	notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV);  in die()
46 		crash_kexec(regs);  in die()
57 void die_if_kernel(const char *str, struct pt_regs *regs, long err)  in die_if_kernel()  argument
59 	if (!user_mode(regs))  in die_if_kernel()
60 		die(str, regs, err);  in die_if_kernel()
69 void die_if_no_fixup(const char *str, struct pt_regs *regs, long err)  in die_if_no_fixup()  argument
71 	if (!user_mode(regs)) {  in die_if_no_fixup()
73 		fixup = search_exception_tables(regs->pc);  in die_if_no_fixup()
75 			regs->pc = fixup->fixup;  in die_if_no_fixup()
79 		die(str, regs, err);  in die_if_no_fixup()
84 static void handle_BUG(struct pt_regs *regs)  in handle_BUG()  argument
87 	unsigned long bugaddr = regs->pc;  in handle_BUG()
99 	tt = report_bug(bugaddr, regs);  in handle_BUG()
101 		regs->pc += instruction_size(bugaddr);  in handle_BUG()
106 	die("Kernel BUG", regs, TRAPA_BUG_OPCODE & 0xff);  in handle_BUG()
132 	regs->pc -= instruction_size(__raw_readw(regs->pc - 4));  in BUILD_TRAP_HANDLER()
134 	if (notify_die(DIE_TRAP, "debug trap", regs, 0, vec & 0xff,  in BUILD_TRAP_HANDLER()
149 	regs->pc -= instruction_size(__raw_readw(regs->pc - 4));  in BUILD_TRAP_HANDLER()
151 	if (notify_die(DIE_TRAP, "bug trap", regs, 0, TRAPA_BUG_OPCODE & 0xff,  in BUILD_TRAP_HANDLER()
156 	if (__kernel_text_address(instruction_pointer(regs))) {  in BUILD_TRAP_HANDLER()
157 		insn_size_t insn = *(insn_size_t *)instruction_pointer(regs);  in BUILD_TRAP_HANDLER()
159 			handle_BUG(regs);  in BUILD_TRAP_HANDLER()
175 	switch (notify_die(DIE_NMI, "NMI", regs, 0, vec & 0xff, SIGINT)) {  in BUILD_TRAP_HANDLER()
180 		die("Fatal Non-Maskable Interrupt", regs, SIGINT);  in BUILD_TRAP_HANDLER()