sig_dbg_op 93 arch/powerpc/include/asm/asm-prototypes.h int ndbg, struct sig_dbg_op __user *dbg); sig_dbg_op 1253 arch/powerpc/kernel/signal_32.c int, ndbg, struct sig_dbg_op __user *, dbg) sig_dbg_op 1256 arch/powerpc/kernel/signal_32.c struct sig_dbg_op op;