_R10
gdb_regs[_R10] = ti->cpu_context.sl;
instrs[i++] = PPC_RAW_MFLR(_R10);
instrs[i++] = PPC_RAW_MTLR(_R10);
instrs[i++] = PPC_RAW_LD(_R10, _R13, 0);
instrs[i++] = PPC_RAW_MFLR(_R10);
instrs[i++] = PPC_RAW_MTLR(_R10);
ctx->b2p[BPF_REG_4] = _R10;
ctx->b2p[TMP_REG_2] = _R10;