| // Copyright 2025 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. |
| |
| package gc |
| |
| import "internal/goarch" |
| |
| // ObjMask is a bitmap where each bit corresponds to an object in a span. |
| // |
| // It is sized to accomodate all size classes. |
| type ObjMask [MaxObjsPerSpan / (goarch.PtrSize * 8)]uintptr |
| |
| // PtrMask is a bitmap where each bit represents a pointer-word in a single runtime page. |
| type PtrMask [PageSize / goarch.PtrSize / (goarch.PtrSize * 8)]uintptr |
