ctxt.domacho()
	}
	if ctxt.IsWindows() {
		bench.Start("dope")
		ctxt.dope()
		bench.Start("windynrelocsyms")
		ctxt.windynrelocsyms()
	}
	if ctxt.IsAIX() {
		bench.Start("doxcoff")
		ctxt.doxcoff()
	}

	bench.Start("textbuildid")
	ctxt.textbuildid()
	bench.Start("addexport")
	ctxt.setArchSyms()
	ctxt.addexport()
	bench.Start("Gentext")

	Fflags   uint16 // Flags
	Fnsyms   uint32 // Number of entries in symbol table
}

const (
	FILHSZ_32 = 20
	FILHSZ_64 = 24
)
const (
	U802TOCMAGIC = 0737 // AIX 32-bit XCOFF
	U64_TOCMAGIC = 0767 // AIX 64-bit XCOFF
)

// Flags that describe the type of the object file.
const (
	F_RELFLG    = 0x0001
	F_EXEC      = 0x0002
	F_LNNO      = 0x0004
	F_FDPR_PROF = 0x0010
	F_FDPR_OPTI = 0x0020

// license that can be found in the LICENSE file.

// Package xcoff implements access to XCOFF (Extended Common Object File Format) files.
package xcoff

import (
	"debug/dwarf"
	"encoding/binary"
	"errors"
	"fmt"
	"internal/saferio"
	"io"
	"os"
	"strings"
)

// SectionHeader holds information about an XCOFF section header.
type SectionHeader struct {
	Name           string

			off, decOff, firstPart, decryptSkip, seqNum = getCompressedOffsets(oi, off, decrypt)
			decLength = length
			length = oi.Size - off
			// For negative length we read everything.
			if decLength < 0 {
				decLength = actualSize - decOff
			}

			// Reply back invalid range if the input offset and length fall out of range.
			if decOff > actualSize || decOff+decLength > actualSize {

		if ok && seg.Addr != 0 && seg.Filesz != 0 && seg.Prot == RW && seg.Maxprot == RW {
			return seg.Addr, seg.Memsz
		}
	}
	return 0, 0
}

// xcoffExe is the XCOFF (AIX eXtended COFF) implementation of the exe interface.
type xcoffExe struct {
	f *xcoff.File
}

func (x *xcoffExe) ReadData(addr, size uint64) ([]byte, error) {
	for _, sect := range x.f.Sections {

	sym     loader.Sym
}

type ldMachoDysymtab struct {
	ilocalsym      uint32
	nlocalsym      uint32
	iextdefsym     uint32
	nextdefsym     uint32
	iundefsym      uint32
	nundefsym      uint32
	tocoff         uint32
	ntoc           uint32
	modtaboff      uint32
	nmodtab        uint32
	extrefsymoff   uint32
	nextrefsyms    uint32
	indirectsymoff uint32
	nindirectsyms  uint32
	extreloff      uint32

        pos += 4;

        int lmOff = writeSecurityBuffer(type3, 12, lmResponseBytes);
        pos += 8;
        int ntOff = writeSecurityBuffer(type3, 20, ntResponseBytes);
        pos += 8;
        int domOff = writeSecurityBuffer(type3, 28, domainBytes);
        pos += 8;
        int userOff = writeSecurityBuffer(type3, 36, userBytes);
        pos += 8;
        int wsOff = writeSecurityBuffer(type3, 44, workstationBytes);

	"internal/pkgbits",
	"internal/platform",
	"internal/profile",
	"internal/race",
	"internal/saferio",
	"internal/syscall/unix",
	"internal/types/errors",
	"internal/unsafeheader",
	"internal/xcoff",
	"internal/zstd",
	"math/bits",
	"sort",
}

// File prefixes that are ignored by go/build anyway, and cause
// problems with editor generated temporary files (#18931).
var ignorePrefixes = []string{
	".",

		}
	}
}

func Test64Bit(t *testing.T) {
	// I don't know how to generate a 64-bit DWARF debug
	// compilation unit except by using XCOFF, so this is
	// hand-written.
	tests := []struct {
		name      string
		info      []byte
		addrSize  int
		byteOrder binary.ByteOrder
	}{
		{
			"32-bit little",

	# executable parsing
	FMT, encoding/binary, compress/zlib, internal/saferio, internal/zstd, sort
	< runtime/debug
	< debug/dwarf
	< debug/elf, debug/gosym, debug/macho, debug/pe, debug/plan9obj, internal/xcoff
	< debug/buildinfo
	< DEBUG;

	# go parser and friends.
	FMT, sort
	< internal/gover
	< go/version
	< go/token
	< go/scanner
	< go/ast
	< go/internal/typeparams;

	FMT