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 linux,arm64 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 // To support interceptors that look for both mmap and munmap, 19 // also call the C library for munmap. 20 21 //go:cgo_import_static x_cgo_mmap 22 //go:linkname x_cgo_mmap x_cgo_mmap 23 //go:linkname _cgo_mmap _cgo_mmap 24 var x_cgo_mmap byte 25 var _cgo_mmap = &x_cgo_mmap 26 27 //go:cgo_import_static x_cgo_munmap 28 //go:linkname x_cgo_munmap x_cgo_munmap 29 //go:linkname _cgo_munmap _cgo_munmap 30 var x_cgo_munmap byte 31 var _cgo_munmap = &x_cgo_munmap 32