type ImportedSymbol struct {
	Name    string
	Library string
}

// FileHeader holds information about an XCOFF file header.
type FileHeader struct {
	TargetMachine uint16
}

// A File represents an open XCOFF file.
type File struct {
	FileHeader
	Sections     []*Section
	Symbols      []*Symbol
	StringTable  []byte
	LibraryPaths []string

	closer io.Closer
}

	defer outf.Close()

	// Copy over the file.
	if _, err := io.Copy(outf, exef); err != nil {
		return err
	}

	// Locate the portion of the binary containing the load commands.
	cmdOffset := unsafe.Sizeof(exem.FileHeader)
	if is64bit := exem.Magic == macho.Magic64; is64bit {
		// mach_header_64 has one extra uint32.
		cmdOffset += unsafe.Sizeof(exem.Magic)
	}
	if _, err := outf.Seek(int64(cmdOffset), 0); err != nil {
		return err
	}

//
// At the moment this package only provides APIs for looking at
// aux symbols of format 5 (associated with section definition symbols).
func readCOFFSymbols(fh *FileHeader, r io.ReadSeeker) ([]COFFSymbol, error) {
	if fh.PointerToSymbolTable == 0 {
		return nil, nil
	}
	if fh.NumberOfSymbols <= 0 {
		return nil, nil
	}
	_, err := r.Seek(int64(fh.PointerToSymbolTable), io.SeekStart)

// address to get symbol table address. For an executable, the base
// is 0. Otherwise, it's a shared library, and the base is the
// address where the mapping starts. The kernel needs special handling.
func GetBase(fh *elf.FileHeader, loadSegment *elf.ProgHeader, stextOffset *uint64, start, limit, offset uint64) (uint64, error) {

	if start == 0 && offset == 0 && (limit == ^uint64(0) || limit == 0) {

import (
	"bytes"
	"compress/zlib"
	"debug/dwarf"
	"encoding/binary"
	"fmt"
	"internal/saferio"
	"io"
	"os"
	"strings"
)

// A File represents an open Mach-O file.
type File struct {
	FileHeader
	ByteOrder binary.ByteOrder
	Loads     []Load
	Sections  []*Section

	Symtab   *Symtab
	Dysymtab *Dysymtab

	closer io.Closer
}

// A Load represents any Mach-O load command.

	// value until we have a sample address for this mapping, so that we can
	// correctly identify the associated program segment that is needed to compute
	// the base.
	if _, err := elfexec.GetBase(&ef.FileHeader, elfexec.FindTextProgHeader(ef), kernelOffset, start, limit, offset); err != nil {
		return nil, fmt.Errorf("could not identify base for %s: %v", name, err)
	}

	if b.fast || (!b.addr2lineFound && !b.llvmSymbolizerFound) {

pkg math/bits, func TrailingZeros32(uint32) int
pkg math/bits, func TrailingZeros64(uint64) int
pkg math/bits, func TrailingZeros8(uint8) int
pkg mime, var ErrInvalidMediaParameter error
pkg mime/multipart, type FileHeader struct, Size int64
pkg mime/multipart, var ErrMessageTooLarge error
pkg net, method (*IPConn) SyscallConn() (syscall.RawConn, error)
pkg net, method (*TCPConn) SyscallConn() (syscall.RawConn, error)

		t.Fatal("ReadForm:", err)
	}
	defer f.RemoveAll()

	if g, e := f.Value["texta"][0], textaValue; g != e {
		t.Errorf("texta value = %q, want %q", g, e)
	}
}

func testFile(t *testing.T, fh *FileHeader, efn, econtent string) File {
	if fh.Filename != efn {
		t.Errorf("filename = %q, want %q", fh.Filename, efn)
	}
	if fh.Size != int64(len(econtent)) {
		t.Errorf("size = %d, want %d", fh.Size, len(econtent))
	}

pkg archive/tar, type Header struct, Format Format
pkg archive/tar, type Header struct, PAXRecords map[string]string
pkg archive/zip, method (*Writer) SetComment(string) error
pkg archive/zip, type FileHeader struct, Modified time.Time
pkg archive/zip, type FileHeader struct, NonUTF8 bool
pkg bufio, method (*Reader) Size() int
pkg bufio, method (*Writer) Size() int
pkg crypto/tls, const ECDSAWithSHA1 = 515
pkg crypto/tls, const ECDSAWithSHA1 SignatureScheme

	// At location 0x3c, the stub has the file offset to the PE signature.
	binary.Write(&buf, binary.LittleEndian, int32(0x3c+4))

	buf.Write([]byte{'P', 'E', 0, 0})

	binary.Write(&buf, binary.LittleEndian, pe.FileHeader{NumberOfSections: 1})

	sh := pe.SectionHeader32{
		Name:             [8]uint8{'t', 0},
		SizeOfRawData:    uint32(paddingSize + len(buildInfoMagic)),
		PointerToRawData: uint32(buf.Len()),
	}