[short] skip
[!cgo] skip
go build -o main.exe
exec ./main.exe
stdout 'DW_AT_comp_dir not contains GOROOT in binary'
-- go.mod --
module compdir

go 1.18
-- main.go --
package main

import "C"
import (
	"debug/dwarf"
	"os"
	"path/filepath"
	"runtime"
	"strings"
	"log"
	"fmt"
)

var _ C.int

func main() {
	dwarfData, err := readDWARF(os.Args[0])
	if err != nil {
		log.Fatal(err)
	}
	goroot := filepath.Join(runtime.GOROOT(), "src")
	dwarfReader := dwarfData.Reader()
	for {
		e, err := dwarfReader.Next()
		if err != nil {
		    log.Fatal(err)
		}
		if e == nil {
			break
		}
		field := e.AttrField(dwarf.AttrCompDir)
		if field == nil {
			continue
		}
		compdir := field.Val.(string)
		if strings.HasPrefix(compdir, goroot) {
			fmt.Printf("DW_AT_comp_dir %q contains GOROOT in binary.", compdir)
			return
		}
	}
	fmt.Println("DW_AT_comp_dir not contains GOROOT in binary")
}
-- read_darwin.go --
package main

import (
	"debug/dwarf"
	"debug/macho"
)

func readDWARF(exePath string) (*dwarf.Data, error) {
	machoFile, err := macho.Open(exePath)
	if err != nil {
		return nil, err
	}
	defer machoFile.Close()
	return machoFile.DWARF()
}
-- read_elf.go --
// +build android dragonfly freebsd illumos linux netbsd openbsd solaris

package main

import (
	"debug/dwarf"
	"debug/elf"
)

func readDWARF(exePath string) (*dwarf.Data, error) {
	elfFile, err := elf.Open(exePath)
	if err != nil {
		return nil, err
	}
	defer elfFile.Close()
	return elfFile.DWARF()
}
-- read_windows.go --
package main

import (
	"debug/dwarf"
	"debug/pe"
)

func readDWARF(exePath string) (*dwarf.Data, error) {
	peFile, err := pe.Open(exePath)
	if err != nil {
		return nil, err
	}
	defer peFile.Close()
	return peFile.DWARF()
}