a20               144 arch/c6x/include/uapi/asm/ptrace.h 	REG_PAIR(a21, a20);
a20                20 arch/c6x/kernel/asm-offsets.c 	OFFSET(REGS_A20,	pt_regs, a20);
a20                47 arch/c6x/kernel/signal.c 	COPY(a20); COPY(a21); COPY(a22); COPY(a23);
a20               112 arch/c6x/kernel/signal.c 	COPY(a20); COPY(a21); COPY(a22); COPY(a23);
a20                54 arch/c6x/kernel/traps.c 	pr_err("A20: %08lx  B20: %08lx\n", regs->a20, regs->b20);