tag	line	file	source code
sc_usp	117	arch/m68k/kernel/signal.c	wrusp(context.sc_usp);
sc_usp	323	arch/m68k/kernel/signal.c	context.sc_usp        = (unsigned long)*fp;
sc_usp	6	include/asm-m68k/sigcontext.h	unsigned long  sc_usp;    /* old user stack pointer */