mirror of
https://github.com/cwinfo/matterbridge.git
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63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build ignore
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// mkpost processes the output of cgo -godefs to
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// modify the generated types. It is used to clean up
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// the sys API in an architecture specific manner.
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//
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// mkpost is run after cgo -godefs by mkall.sh.
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package main
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import (
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"fmt"
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"go/format"
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"io/ioutil"
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"log"
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"os"
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"regexp"
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)
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func main() {
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b, err := ioutil.ReadAll(os.Stdin)
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if err != nil {
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log.Fatal(err)
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}
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s := string(b)
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goarch := os.Getenv("GOARCH")
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goos := os.Getenv("GOOS")
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if goarch == "s390x" && goos == "linux" {
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// Export the types of PtraceRegs fields.
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re := regexp.MustCompile("ptrace(Psw|Fpregs|Per)")
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s = re.ReplaceAllString(s, "Ptrace$1")
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// Replace padding fields inserted by cgo with blank identifiers.
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re = regexp.MustCompile("Pad_cgo[A-Za-z0-9_]*")
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s = re.ReplaceAllString(s, "_")
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// Replace other unwanted fields with blank identifiers.
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re = regexp.MustCompile("X_[A-Za-z0-9_]*")
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s = re.ReplaceAllString(s, "_")
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// Replace the control_regs union with a blank identifier for now.
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re = regexp.MustCompile("(Control_regs)\\s+\\[0\\]uint64")
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s = re.ReplaceAllString(s, "_ [0]uint64")
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}
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// gofmt
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b, err = format.Source([]byte(s))
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if err != nil {
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log.Fatal(err)
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}
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// Append this command to the header to show where the new file
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// came from.
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re := regexp.MustCompile("(cgo -godefs [a-zA-Z0-9_]+\\.go.*)")
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b = re.ReplaceAll(b, []byte("$1 | go run mkpost.go"))
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fmt.Printf("%s", b)
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}
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