// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package runtime

import "unsafe"

func checkptrAlignment(p unsafe.Pointer, elem *_type, n uintptr) {
	// nil pointer is always suitably aligned (#47430).
	if p == nil {
		return
	}

	// Check that (*[n]elem)(p) is appropriately aligned.

// See go.dev/issue/67401.
//
//go:linkname reflect_resolveTypeOff reflect.resolveTypeOff
func reflect_resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer {
	return unsafe.Pointer(toRType((*_type)(rtype)).typeOff(typeOff(off)))
}

// reflect_resolveTextOff resolves a function pointer offset from a base type.
//
// reflect_resolveTextOff is for package reflect,

		Body: &syntax.BlockStmt{
			List:   []syntax.Stmt{},
			Rbrace: end,
		},
	}
	r.rangefuncBodyClosures[bodyFunc] = true
	setPos(bodyFunc, start)

	for i := 0; i < ftyp.Params().Len(); i++ {
		typ := ftyp.Params().At(i).Type()
		var paramVar *types2.Var
		if i < len(lhs) && def {
			// Reuse range variable as parameter.
			x := lhs[i]
			paramVar = r.info.Defs[x.(*syntax.Name)].(*types2.Var)

// must be stored in interfaces indirectly. See issue 42076.
func (pd *pollDesc) makeArg() (i any) {
	x := (*eface)(unsafe.Pointer(&i))
	x._type = pdType
	x.data = unsafe.Pointer(&pd.self)
	return
}

var (
	pdEface any    = (*pollDesc)(nil)
	pdType  *_type = efaceOf(&pdEface)._type

//go:linkname reflect_unsafe_New reflect.unsafe_New
func reflect_unsafe_New(typ *_type) unsafe.Pointer {
	return mallocgc(typ.Size_, typ, true)
}

//go:linkname reflectlite_unsafe_New internal/reflectlite.unsafe_New
func reflectlite_unsafe_New(typ *_type) unsafe.Pointer {
	return mallocgc(typ.Size_, typ, true)
}

// newarray allocates an array of n elements of type typ.
//
// newarray should be an internal detail,

const raceenabled = true

// For all functions accepting callerpc and pc,
// callerpc is a return PC of the function that calls this function,
// pc is start PC of the function that calls this function.
func raceReadObjectPC(t *_type, addr unsafe.Pointer, callerpc, pc uintptr) {
	kind := t.Kind_ & abi.KindMask
	if kind == abi.Array || kind == abi.Struct {
		// for composite objects we have to read every address

				fmt.Fprint(h, meta.TransitionedObjName)
				fmt.Fprint(h, meta.TransitionVersionID)
			}

			// If metadata says encrypted, ask for it in quorum.
			if etyp, ok := crypto.IsEncrypted(meta.Metadata); ok {
				fmt.Fprint(h, etyp)
			}

			// If compressed, look for compressed FileInfo only
			if meta.IsCompressed() {
				fmt.Fprint(h, meta.Metadata[ReservedMetadataPrefix+"compression"])
			}

	case 'V':
		typ := r.typ()

		r.declare(types.NewVar(pos, r.currPkg, name, typ))

	default:
		errorf("unexpected tag: %v", tag)
	}
}

func (r *importReader) declare(obj types.Object) {
	obj.Pkg().Scope().Insert(obj)
}

func (r *importReader) value() (typ types.Type, val constant.Value) {
	typ = r.typ()
	if r.p.exportVersion >= iexportVersionGo1_18 {

		// both argument types must be identical
		if !Identical(x.typ, y.typ) {
			check.errorf(x, InvalidComplex, invalidOp+"%v (mismatched types %s and %s)", call, x.typ, y.typ)
			return
		}

		// the argument types must be of floating-point type
		// (applyTypeFunc never calls f with a type parameter)
		f := func(typ Type) Type {
			assert(!isTypeParam(typ))
			if t, _ := under(typ).(*Basic); t != nil {
				switch t.kind {

	dataqsiz uint           // size of the circular queue
	buf      unsafe.Pointer // points to an array of dataqsiz elements
	elemsize uint16
	closed   uint32
	timer    *timer // timer feeding this chan
	elemtype *_type // element type
	sendx    uint   // send index
	recvx    uint   // receive index
	recvq    waitq  // list of recv waiters
	sendq    waitq  // list of send waiters

	// lock protects all fields in hchan, as well as several