ORC_REG_DX 60 arch/x86/include/asm/unwind_hints.h .set sp_reg, ORC_REG_DX ORC_REG_DX 501 arch/x86/kernel/unwind_orc.c case ORC_REG_DX: ORC_REG_DX 1234 tools/objtool/check.c case ORC_REG_DX: ORC_REG_DX 15 tools/objtool/orc_dump.c case ORC_REG_DX: ORC_REG_DX 52 tools/objtool/orc_gen.c orc->sp_reg = ORC_REG_DX;