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dc1e255104
Change-Id: I212330962453139fa353db29928786b64c9ff063 Reviewed-on: https://go-review.googlesource.com/c/go/+/667455 Reviewed-by: abner chenc <chenguoqi@loongson.cn> Reviewed-by: Junyang Shao <shaojunyang@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
22 lines
734 B
Go
22 lines
734 B
Go
// Copyright 2021 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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//go:build ((darwin || linux || windows || freebsd || openbsd) && (amd64 || arm64)) || loong64
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package fuzz
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import (
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"unsafe"
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)
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// coverage returns a []byte containing unique 8-bit counters for each edge of
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// the instrumented source code. This coverage data will only be generated if
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// `-d=libfuzzer` is set at build time. This can be used to understand the code
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// coverage of a test execution.
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func coverage() []byte {
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addr := unsafe.Pointer(&_counters)
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size := uintptr(unsafe.Pointer(&_ecounters)) - uintptr(addr)
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return unsafe.Slice((*byte)(addr), int(size))
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}
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