sec = ef.Section(".note.go.buildid")
	if sec == nil {
		t.Fatalf("can't find go build id")
	}
	cnt := 0
	for _, ph := range ef.Progs {
		if ph.Type == elf.PT_NOTE {
			cnt += 1
		}
	}
	if cnt != expected {
		t.Fatalf("want %d PT_NOTE segment, got %d", expected, cnt)
	}
}

const pieSourceTemplate = `
package main

import "fmt"

	Desc []byte // Contents of the "desc" field.
	Type uint32 // Contents of the "type" field.
}

// parseNotes returns the notes from a SHT_NOTE section or PT_NOTE segment.
func parseNotes(reader io.Reader, alignment int, order binary.ByteOrder) ([]elfNote, error) {
	r := bufio.NewReader(reader)

	// padding returns the number of bytes required to pad the given size to an