type.1.14.go

//go:build go1.14 && !go1.23
// +build go1.14,!go1.23

package goloader

import (
	"unsafe"
)

// Needs to be in sync with ../cmd/link/internal/ld/decodesym.go:/^func.commonsize,
// ../cmd/compile/internal/gc/reflect.go:/^func.dcommontype and
// ../reflect/type.go:/^type.rtype.
// ../internal/reflectlite/type.go:/^type.rtype.
type _type struct {
	size       uintptr
	ptrdata    uintptr // size of memory prefix holding all pointers
	hash       uint32
	tflag      tflag
	align      uint8
	fieldAlign uint8
	kind       uint8
	// function for comparing objects of this type
	// (ptr to object A, ptr to object B) -> ==?
	equal func(unsafe.Pointer, unsafe.Pointer) bool
	// 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
	str       nameOff
	ptrToThis typeOff
}

// uncommonType is present only for types with names or methods
// (if T is a named type, the uncommonTypes for T and *T have methods).
// Using a pointer to this struct reduces the overall size required
// to describe an unnamed type with no methods.
type uncommonType struct {
	pkgpath nameOff
	mcount  uint16 // number of methods
	xcount  uint16 // number of exported methods
	moff    uint32 // offset from this uncommontype to [mcount]method
	_       uint32 // unused
}

type mapType struct {
	_type
	key    *_type // map key type
	elem   *_type // map element (value) type
	bucket *_type // internal bucket structure
	// function for hashing keys (ptr to key, seed) -> hash
	hasher     func(unsafe.Pointer, uintptr) uintptr
	keysize    uint8  // size of key slot
	valuesize  uint8  // size of value slot
	bucketsize uint16 // size of bucket
	flags      uint32
}