github.com/aloncn/graphics-go@v0.0.1/src/runtime/cgo/mmap.go (about)

     1  // Copyright 2015 The Go Authors.  All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build linux,amd64
     6  
     7  package cgo
     8  
     9  // Import "unsafe" because we use go:linkname.
    10  import _ "unsafe"
    11  
    12  // When using cgo, call the C library for mmap, so that we call into
    13  // any sanitizer interceptors.  This supports using the memory
    14  // sanitizer with Go programs.  The memory sanitizer only applies to
    15  // C/C++ code; this permits that code to see the Go code as normal
    16  // program addresses that have been initialized.
    17  
    18  //go:cgo_import_static x_cgo_mmap
    19  //go:linkname x_cgo_mmap x_cgo_mmap
    20  //go:linkname _cgo_mmap _cgo_mmap
    21  var x_cgo_mmap byte
    22  var _cgo_mmap = &x_cgo_mmap