REG_RDX            10 src/pkg/runtime/signal_netbsd_amd64.h #define SIG_RDX(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_RDX])
REG_RDX            10 src/pkg/runtime/signal_solaris_amd64.h #define SIG_RDX(info, ctxt) (SIG_REGS(ctxt).gregs[REG_RDX])