diff options
Diffstat (limited to 'src/cmd/compile/internal/gc/subr.go')
| -rw-r--r-- | src/cmd/compile/internal/gc/subr.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/gc/subr.go b/src/cmd/compile/internal/gc/subr.go index c3f2b60509..8c82c22f97 100644 --- a/src/cmd/compile/internal/gc/subr.go +++ b/src/cmd/compile/internal/gc/subr.go @@ -2317,6 +2317,16 @@ func isdirectiface(t *Type) bool { return false } +// itabType loads the _type field from a runtime.itab struct. +func itabType(itab *Node) *Node { + typ := NodSym(ODOTPTR, itab, nil) + typ.Type = Ptrto(Types[TUINT8]) + typ.Typecheck = 1 + typ.Xoffset = int64(Widthptr) // offset of _type in runtime.itab + typ.Bounded = true // guaranteed not to fault + return typ +} + // iet returns 'T' if t is a concrete type, // 'I' if t is an interface type, and 'E' if t is an empty interface type. // It is used to build calls to the conv* and assert* runtime routines. |