a15 159 arch/c6x/include/uapi/asm/ptrace.h REG_PAIR(a15, a14); a15 65 arch/c6x/kernel/asm-offsets.c OFFSET(REGS_A15, pt_regs, a15); a15 49 arch/c6x/kernel/traps.c pr_err("A15: %08lx B15: %08lx\n", regs->a15, regs->sp); a15 61 tools/perf/arch/s390/include/dwarf-regs-table.h REG_DWARFNUM_NAME(a15, 63),