| // 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. |
| |
| //go:build (linux && amd64) || (linux && arm64) || (freebsd && 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 |
