Symbol: gcore_prfetchinstr
usr/src/cmd/mdb/common/mdb/mdb_gcore.h
272
extern int gcore_prfetchinstr(mdb_klwp_t *, ulong_t *);
usr/src/cmd/mdb/common/modules/genunix/gcore.c
1274
else if (!gcore_prfetchinstr(lwp, &instr))