this.binaryFile = binaryFile
    }

    static boolean canUseReadelf() {
        def process = ['readelf', '-v'].execute()
        return process.waitFor() && process.exitValue() == 0
    }

    ArchitectureInternal getArch() {
        def process = ['readelf', '-h', binaryFile.absolutePath].execute()
        List<String> lines = process.inputStream.readLines()
        return readArch(lines)
    }

import org.gradle.nativeplatform.fixtures.binaryinfo.ReadelfBinaryInfo

import spock.lang.Specification
import spock.lang.Unroll

class ReadelfBinaryInfoTest extends Specification {
    def "read list of files from readelf"() {
        when:
        def input = """
Symbol table '.symtab' contains 53 entries:
   Num:    Value          Size Type    Bind   Vis      Ndx Name
     0: 0000000000000000     0 NOTYPE  LOCAL  DEFAULT  UND

	if err != nil {
		t.Fatalf("error unexpected: %v", err)
	}
	Reader0 := Data0.Reader()
	Entry0, err := Reader0.Next()
	if err != nil {
		t.Fatalf("error unexpected: %v", err)
	}
	LineReader0, err := Data0.LineReader(Entry0)
	if err == nil {
		t.Fatalf("expected error")
	}
	if LineReader0 != nil {
		t.Fatalf("expected nil line reader")
	}

var elfGNUNote = []byte("GNU\x00")

// The Go build ID is stored in a note described by an ELF PT_NOTE prog
// header. The caller has already opened filename, to get f, and read
// at least 4 kB out, in data.
func readELF(name string, f *os.File, data []byte) (buildid string, err error) {
	// Assume the note content is in the data, already read.
	// Rewrite the ELF header to set shoff and shnum to 0, so that we can pass

	_, err = io.ReadFull(f, data)
	if err == io.ErrUnexpectedEOF {
		err = nil
	}
	if err != nil {
		return "", err
	}

	if bytes.HasPrefix(data, elfPrefix) {
		return readELF(name, f, data)
	}
	for _, m := range machoPrefixes {
		if bytes.HasPrefix(data, m) {
			return readMacho(name, f, data)
		}
	}
	return readRaw(name, data)
}

			if err != nil {
				t.Fatal(err)
			}
			reader := dwarf.Reader()
			idx := 0
			for _, testEntry := range test.entries {
				if testEntry.entryNumber < idx {
					t.Fatalf("internal test error: %d < %d", testEntry.entryNumber, idx)
				}
				for ; idx < testEntry.entryNumber; idx++ {
					entry, err := reader.Next()
					if entry == nil || err != nil {

// Copyright 2019 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.

// Package loadelf implements an ELF file reader.
package loadelf

import (
	"bytes"
	"cmd/internal/bio"
	"cmd/internal/objabi"
	"cmd/internal/sys"
	"cmd/link/internal/loader"
	"cmd/link/internal/sym"
	"debug/elf"
	"encoding/binary"
	"fmt"
	"io"
	"log"
	"strings"

	}()
	cr := NewChunkedReader(pr)
	readBuf := make([]byte, 7)
	n, err := cr.Read(readBuf)
	if err != nil {
		t.Fatal(err)
	}
	want := "1234567"
	if n != 7 || string(readBuf) != want {
		t.Fatalf("Read: %v %q; want %d, %q", n, readBuf[:n], len(want), want)
	}
	go func() {
		pw.Write([]byte("xx"))
	}()
	_, err = cr.Read(readBuf)
	if got := fmt.Sprint(err); !strings.Contains(got, "malformed") {

// Package iotest implements Readers and Writers useful mainly for testing.
package iotest

import (
	"bytes"
	"errors"
	"fmt"
	"io"
)

// OneByteReader returns a Reader that implements
// each non-empty Read by reading one byte from r.
func OneByteReader(r io.Reader) io.Reader { return &oneByteReader{r} }

type oneByteReader struct {
	r io.Reader
}

package strings

import (
	"errors"
	"io"
	"unicode/utf8"
)

// A Reader implements the [io.Reader], [io.ReaderAt], [io.ByteReader], [io.ByteScanner],
// [io.RuneReader], [io.RuneScanner], [io.Seeker], and [io.WriterTo] interfaces by reading
// from a string.
// The zero value for Reader operates like a Reader of an empty string.
type Reader struct {
	s        string
	i        int64 // current reading index