taglinefilesource code
sigc_sp103arch/sparc/kernel/signal.cregs->u_regs[UREG_FP] = scptr->sigc_sp;
sigc_sp171arch/sparc/kernel/signal.csc->sigc_sp = regs->u_regs[UREG_FP];
sigc_sp21include/asm-sparc/sigcontext.hint sigc_sp;           /* stack pointer */