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34e67623a8
Change-Id: I290812905b6b5c52f289f7f8524f93aef19e6efe Reviewed-on: https://go-review.googlesource.com/c/go/+/706775 Auto-Submit: Sean Liao <sean@liao.dev> Reviewed-by: Michael Knyszek <mknyszek@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Roland Shoemaker <roland@golang.org> Reviewed-by: Sean Liao <sean@liao.dev>
15 lines
545 B
Go
15 lines
545 B
Go
// Copyright 2025 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package gc
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import "internal/goarch"
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// ObjMask is a bitmap where each bit corresponds to an object in a span.
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//
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// It is sized to accommodate all size classes.
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type ObjMask [MaxObjsPerSpan / (goarch.PtrSize * 8)]uintptr
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// PtrMask is a bitmap where each bit represents a pointer-word in a single runtime page.
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type PtrMask [PageSize / goarch.PtrSize / (goarch.PtrSize * 8)]uintptr
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