xmon 17 arch/powerpc/include/asm/xmon.h extern int xmon(struct pt_regs *excp); xmon 741 arch/powerpc/xmon/xmon.c EXPORT_SYMBOL(xmon); xmon 748 arch/powerpc/xmon/xmon.c xmon(get_irq_regs()); xmon 3784 arch/powerpc/xmon/xmon.c __debugger = xmon;