BX                178 arch/x86/um/signal.c 	GETREG(BX, bx);
BX                257 arch/x86/um/signal.c 	PUTREG(BX, bx);
BX                 15 tools/perf/arch/x86/util/perf_regs.c 	SMPL_REG(BX, PERF_REG_X86_BX),
BX                 24 tools/perf/arch/x86/util/unwind-libdw.c 		dwarf_regs[3] = REG(BX);
BX                 35 tools/perf/arch/x86/util/unwind-libdw.c 		dwarf_regs[3]  = REG(BX);