tag	line	file	source code
sc_s4	82	arch/mips/kernel/signal.c	regs->reg20 = context->sc_s4;
sc_s4	206	arch/mips/kernel/signal.c	frame->scc.sc_s4 = regs->reg20;
sc_s4	12	include/asm-mips/sigcontext.h	unsigned long  sc_s0, sc_s1, sc_s2, sc_s3, sc_s4, sc_s5, sc_s6, sc_s7;