Symbol: XR_G0
usr/src/cmd/mdb/common/mdb/mdb_proc.c
4643
rd_num - R_G0 + XR_G0] << 32;
usr/src/uts/sparc/v9/os/xregs.c
160
xregs->pr_un.pr_v8p.pr_xg[XR_G0] = 0;