REG_R1             17 src/pkg/runtime/os_netbsd_arm.c 	mc->__gregs[REG_R1] = (uint32)gp;
REG_R1              8 src/pkg/runtime/signal_netbsd_arm.h #define SIG_R1(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R1])