taglinefilesource code
reg965arch/mips/kernel/signal.cregs->reg9  = context.sc_t1;
reg9125arch/mips/kernel/signal.cput_fs_long(regs->reg9 , frame+ 8);
reg9102arch/mips/kernel/traps.cregs->reg8, regs->reg9, regs->reg10, regs->reg11, regs->reg12);
reg937include/asm-mips/ptrace.hlong   reg8,  reg9, reg10, reg11, reg12, reg13, reg14, reg15;