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Source file src/runtime/cgo/mmap.go

Documentation: runtime/cgo

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

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