a28 148 arch/c6x/include/uapi/asm/ptrace.h REG_PAIR(a29, a28); a28 28 arch/c6x/kernel/asm-offsets.c OFFSET(REGS_A28, pt_regs, a28); a28 49 arch/c6x/kernel/signal.c COPY(a28); COPY(a29); COPY(a30); COPY(a31); a28 114 arch/c6x/kernel/signal.c COPY(a28); COPY(a29); COPY(a30); COPY(a31); a28 62 arch/c6x/kernel/traps.c pr_err("A28: %08lx B28: %08lx\n", regs->a28, regs->b28);