mirror of https://go.googlesource.com/go
32 lines
1.0 KiB
Go
32 lines
1.0 KiB
Go
// Copyright 2015 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 (linux && (amd64 || arm64 || loong64)) || (freebsd && amd64)
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package cgo
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// Import "unsafe" because we use go:linkname.
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import _ "unsafe"
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// When using cgo, call the C library for mmap, so that we call into
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// any sanitizer interceptors. This supports using the memory
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// sanitizer with Go programs. The memory sanitizer only applies to
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// C/C++ code; this permits that code to see the Go code as normal
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// program addresses that have been initialized.
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// To support interceptors that look for both mmap and munmap,
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// also call the C library for munmap.
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//go:cgo_import_static x_cgo_mmap
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//go:linkname x_cgo_mmap x_cgo_mmap
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//go:linkname _cgo_mmap _cgo_mmap
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var x_cgo_mmap byte
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var _cgo_mmap = &x_cgo_mmap
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//go:cgo_import_static x_cgo_munmap
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//go:linkname x_cgo_munmap x_cgo_munmap
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//go:linkname _cgo_munmap _cgo_munmap
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var x_cgo_munmap byte
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var _cgo_munmap = &x_cgo_munmap
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