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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Runtime type representation.
package runtime
import "unsafe"
// Needs to be in sync with ../cmd/compile/internal/ld/decodesym.go:/^func.commonsize,
// ../cmd/compile/internal/gc/reflect.go:/^func.dcommontype and
// ../reflect/type.go:/^type.rtype.
type _type struct {
size uintptr
ptrdata uintptr // size of memory prefix holding all pointers
hash uint32
_unused uint8
align uint8
fieldalign uint8
kind uint8
alg *typeAlg
// gcdata stores the GC type data for the garbage collector.
// If the KindGCProg bit is set in kind, gcdata is a GC program.
// Otherwise it is a ptrmask bitmap. See mbitmap.go for details.
gcdata *byte
_string *string
x *uncommontype
ptrto *_type
}
type method struct {
name *string
pkgpath *string
mtyp *_type
typ *_type
ifn unsafe.Pointer
tfn unsafe.Pointer
}
type uncommontype struct {
name *string
pkgpath *string
mhdr []method
}
type imethod struct {
name *string
pkgpath *string
_type *_type
}
type interfacetype struct {
typ _type
mhdr []imethod
}
type maptype struct {
typ _type
key *_type
elem *_type
bucket *_type // internal type representing a hash bucket
hmap *_type // internal type representing a hmap
keysize uint8 // size of key slot
indirectkey bool // store ptr to key instead of key itself
valuesize uint8 // size of value slot
indirectvalue bool // store ptr to value instead of value itself
bucketsize uint16 // size of bucket
reflexivekey bool // true if k==k for all keys
needkeyupdate bool // true if we need to update key on an overwrite
}
type arraytype struct {
typ _type
elem *_type
slice *_type
len uintptr
}
type chantype struct {
typ _type
elem *_type
dir uintptr
}
type slicetype struct {
typ _type
elem *_type
}
type functype struct {
typ _type
dotdotdot bool
in []*_type
out []*_type
}
type ptrtype struct {
typ _type
elem *_type
}
type structfield struct {
name *string
pkgpath *string
typ *_type
tag *string
offset uintptr
}
type structtype struct {
typ _type
fields []structfield
}