59 void show_regs(struct pt_regs *regs)  in show_regs()  argument
65 	       regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar);  in show_regs()
68 	       regs->msr, regs->msr & MSR_EE ? 1 : 0,  in show_regs()
69 	       regs->msr & MSR_PR ? 1 : 0, regs->msr & MSR_FP ? 1 : 0,  in show_regs()
70 	       regs->msr & MSR_ME ? 1 : 0, regs->msr & MSR_IR ? 1 : 0,  in show_regs()
71 	       regs->msr & MSR_DR ? 1 : 0);  in show_regs()
79 		printf("%08lX ", regs->gpr[i]);  in show_regs()
87 static void _exception(int signr, struct pt_regs *regs)  in _exception()  argument
89 	show_regs(regs);  in _exception()
90 	print_backtrace((unsigned long *)regs->gpr[1]);  in _exception()
91 	panic("Exception in kernel pc %lx signal %d", regs->nip, signr);  in _exception()
94 void MachineCheckException(struct pt_regs *regs)  in MachineCheckException()  argument
102 	if ((fixup = search_exception_table(regs->nip)) != 0) {  in MachineCheckException()
103 		regs->nip = fixup;  in MachineCheckException()
108 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in MachineCheckException()
114 	printf("regs %p ", regs);  in MachineCheckException()
115 	switch ( regs->msr & 0x001F0000) {  in MachineCheckException()
135 	show_regs(regs);  in MachineCheckException()
136 	print_backtrace((unsigned long *)regs->gpr[1]);  in MachineCheckException()
140 void AlignmentException(struct pt_regs *regs)  in AlignmentException()  argument
143 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in AlignmentException()
146 	show_regs(regs);  in AlignmentException()
147 	print_backtrace((unsigned long *)regs->gpr[1]);  in AlignmentException()
151 void ProgramCheckException(struct pt_regs *regs)  in ProgramCheckException()  argument
153 	unsigned char *p = regs ? (unsigned char *)(regs->nip) : NULL;  in ProgramCheckException()
157 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in ProgramCheckException()
160 	show_regs(regs);  in ProgramCheckException()
172 	print_backtrace((unsigned long *)regs->gpr[1]);  in ProgramCheckException()
176 void SoftEmuException(struct pt_regs *regs)  in SoftEmuException()  argument
179 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in SoftEmuException()
182 	show_regs(regs);  in SoftEmuException()
183 	print_backtrace((unsigned long *)regs->gpr[1]);  in SoftEmuException()
187 void UnknownException(struct pt_regs *regs)  in UnknownException()  argument
190 	if (debugger_exception_handler && (*debugger_exception_handler) (regs))  in UnknownException()
193 	printf("UnknownException regs@%lx\n", (ulong)regs);  in UnknownException()
195 	       regs->nip, regs->msr, regs->trap);  in UnknownException()
196 	_exception(0, regs);  in UnknownException()