58 void show_regs(struct pt_regs *regs)  in show_regs()  argument
64 	       regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);  in show_regs()
67 	       regs->msr, regs->msr & MSR_EE ? 1 : 0,  in show_regs()
68 	       regs->msr & MSR_PR ? 1 : 0, regs->msr & MSR_FP ? 1 : 0,  in show_regs()
69 	       regs->msr & MSR_ME ? 1 : 0, regs->msr & MSR_IR ? 1 : 0,  in show_regs()
70 	       regs->msr & MSR_DR ? 1 : 0);  in show_regs()
78 		printf("%08lX ", regs->gpr[i]);  in show_regs()
86 static void _exception(int signr, struct pt_regs *regs)  in _exception()  argument
88 	show_regs(regs);  in _exception()
89 	print_backtrace((unsigned long *)regs->gpr[1]);  in _exception()
90 	panic("Exception in kernel pc %lx signal %d", regs->nip, signr);  in _exception()
93 void MachineCheckException(struct pt_regs *regs)  in MachineCheckException()  argument
101 	if ((fixup = search_exception_table(regs->nip)) != 0) {  in MachineCheckException()
102 		regs->nip = fixup;  in MachineCheckException()
107 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in MachineCheckException()
113 	printf("regs %p ", regs);  in MachineCheckException()
114 	switch ( regs->msr & 0x001F0000) {  in MachineCheckException()
134 	show_regs(regs);  in MachineCheckException()
135 	print_backtrace((unsigned long *)regs->gpr[1]);  in MachineCheckException()
139 void AlignmentException(struct pt_regs *regs)  in AlignmentException()  argument
142 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in AlignmentException()
145 	show_regs(regs);  in AlignmentException()
146 	print_backtrace((unsigned long *)regs->gpr[1]);  in AlignmentException()
150 void ProgramCheckException(struct pt_regs *regs)  in ProgramCheckException()  argument
152 	unsigned char *p = regs ? (unsigned char *)(regs->nip) : NULL;  in ProgramCheckException()
156 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in ProgramCheckException()
159 	show_regs(regs);  in ProgramCheckException()
171 	print_backtrace((unsigned long *)regs->gpr[1]);  in ProgramCheckException()
175 void SoftEmuException(struct pt_regs *regs)  in SoftEmuException()  argument
178 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in SoftEmuException()
181 	show_regs(regs);  in SoftEmuException()
182 	print_backtrace((unsigned long *)regs->gpr[1]);  in SoftEmuException()
186 void UnknownException(struct pt_regs *regs)  in UnknownException()  argument
189 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in UnknownException()
192 	printf("UnknownException regs@%lx\n", (ulong)regs);  in UnknownException()
194 	       regs->nip, regs->msr, regs->trap);  in UnknownException()
195 	_exception(0, regs);  in UnknownException()