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path: root/vendor/golang.org/x/sys/unix/mkpost.go
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Diffstat (limited to 'vendor/golang.org/x/sys/unix/mkpost.go')
-rw-r--r--vendor/golang.org/x/sys/unix/mkpost.go98
1 files changed, 0 insertions, 98 deletions
diff --git a/vendor/golang.org/x/sys/unix/mkpost.go b/vendor/golang.org/x/sys/unix/mkpost.go
deleted file mode 100644
index 7e5c22c..0000000
--- a/vendor/golang.org/x/sys/unix/mkpost.go
+++ /dev/null
@@ -1,98 +0,0 @@
-// Copyright 2016 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 ignore
-
-// mkpost processes the output of cgo -godefs to
-// modify the generated types. It is used to clean up
-// the sys API in an architecture specific manner.
-//
-// mkpost is run after cgo -godefs; see README.md.
-package main
-
-import (
- "bytes"
- "fmt"
- "go/format"
- "io/ioutil"
- "log"
- "os"
- "regexp"
-)
-
-func main() {
- // Get the OS and architecture (using GOARCH_TARGET if it exists)
- goos := os.Getenv("GOOS")
- goarch := os.Getenv("GOARCH_TARGET")
- if goarch == "" {
- goarch = os.Getenv("GOARCH")
- }
- // Check that we are using the new build system if we should be.
- if goos == "linux" && goarch != "sparc64" {
- if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
- os.Stderr.WriteString("In the new build system, mkpost should not be called directly.\n")
- os.Stderr.WriteString("See README.md\n")
- os.Exit(1)
- }
- }
-
- b, err := ioutil.ReadAll(os.Stdin)
- if err != nil {
- log.Fatal(err)
- }
-
- // Intentionally export __val fields in Fsid and Sigset_t
- valRegex := regexp.MustCompile(`type (Fsid|Sigset_t) struct {(\s+)X__val(\s+\S+\s+)}`)
- b = valRegex.ReplaceAll(b, []byte("type $1 struct {${2}Val$3}"))
-
- // If we have empty Ptrace structs, we should delete them. Only s390x emits
- // nonempty Ptrace structs.
- ptraceRexexp := regexp.MustCompile(`type Ptrace((Psw|Fpregs|Per) struct {\s*})`)
- b = ptraceRexexp.ReplaceAll(b, nil)
-
- // Replace the control_regs union with a blank identifier for now.
- controlRegsRegex := regexp.MustCompile(`(Control_regs)\s+\[0\]uint64`)
- b = controlRegsRegex.ReplaceAll(b, []byte("_ [0]uint64"))
-
- // Remove fields that are added by glibc
- // Note that this is unstable as the identifers are private.
- removeFieldsRegex := regexp.MustCompile(`X__glibc\S*`)
- b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
-
- // Convert [65]int8 to [65]byte in Utsname members to simplify
- // conversion to string; see golang.org/issue/20753
- convertUtsnameRegex := regexp.MustCompile(`((Sys|Node|Domain)name|Release|Version|Machine)(\s+)\[(\d+)\]u?int8`)
- b = convertUtsnameRegex.ReplaceAll(b, []byte("$1$3[$4]byte"))
-
- // Remove spare fields (e.g. in Statx_t)
- spareFieldsRegex := regexp.MustCompile(`X__spare\S*`)
- b = spareFieldsRegex.ReplaceAll(b, []byte("_"))
-
- // Remove cgo padding fields
- removePaddingFieldsRegex := regexp.MustCompile(`Pad_cgo_\d+`)
- b = removePaddingFieldsRegex.ReplaceAll(b, []byte("_"))
-
- // Remove padding, hidden, or unused fields
- removeFieldsRegex = regexp.MustCompile(`\b(X_\S+|Padding)`)
- b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
-
- // Remove the first line of warning from cgo
- b = b[bytes.IndexByte(b, '\n')+1:]
- // Modify the command in the header to include:
- // mkpost, our own warning, and a build tag.
- replacement := fmt.Sprintf(`$1 | go run mkpost.go
-// Code generated by the command above; see README.md. DO NOT EDIT.
-
-// +build %s,%s`, goarch, goos)
- cgoCommandRegex := regexp.MustCompile(`(cgo -godefs .*)`)
- b = cgoCommandRegex.ReplaceAll(b, []byte(replacement))
-
- // gofmt
- b, err = format.Source(b)
- if err != nil {
- log.Fatal(err)
- }
-
- os.Stdout.Write(b)
-}