文件操作 - counters_supported.go
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文件: /usr/share/go-1.23/src/internal/fuzz/counters_supported.go
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// Copyright 2021 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. //go:build (darwin || linux || windows || freebsd) && (amd64 || arm64) package fuzz import ( "unsafe" ) // coverage returns a []byte containing unique 8-bit counters for each edge of // the instrumented source code. This coverage data will only be generated if // `-d=libfuzzer` is set at build time. This can be used to understand the code // coverage of a test execution. func coverage() []byte { addr := unsafe.Pointer(&_counters) size := uintptr(unsafe.Pointer(&_ecounters)) - uintptr(addr) return unsafe.Slice((*byte)(addr), int(size)) }
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