tag	line	file	source code
sc_a0	66	arch/mips/kernel/signal.c	regs->reg4  = context->sc_a0;
sc_a0	188	arch/mips/kernel/signal.c	frame->scc.sc_a0 = regs->reg4;    /* Argument registers */
sc_a0	10	include/asm-mips/sigcontext.h	unsigned long         sc_at, sc_v0, sc_v1, sc_a0, sc_a1, sc_a2, sc_a3;