SIG_R2              9 src/pkg/runtime/signal_freebsd_arm.h #define SIG_R2(info, ctxt) (SIG_REGS(ctxt).__gregs[2])
SIG_R2              9 src/pkg/runtime/signal_linux_arm.h #define SIG_R2(info, ctxt) (SIG_REGS(ctxt).arm_r2)
SIG_R2              9 src/pkg/runtime/signal_netbsd_arm.h #define SIG_R2(info, ctxt) (SIG_REGS(ctxt).__gregs[REG_R2])