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")

	"sync"

	"cmd/internal/objabi"
	"cmd/link/internal/loader"
	"cmd/link/internal/sym"
)

// This file handles all algorithms related to XCOFF files generation.
// Most of them are adaptations of the ones in  cmd/link/internal/pe.go
// as PE and XCOFF are based on COFF files.
// XCOFF files generated are 64 bits.

const (
	// Total amount of space to reserve at the start of the file

	case xcoff.STYP_DWARF, xcoff.STYP_DEBUG:
		return sym.Sxxx, ""
	case xcoff.STYP_DATA, xcoff.STYP_BSS, xcoff.STYP_TEXT:
	}

	switch s.StorageClass {
	default:
		return sym.Sxxx, fmt.Sprintf("getSymbolType for Storage class 0x%x not implemented", s.StorageClass)
	case xcoff.C_HIDEXT, xcoff.C_EXT, xcoff.C_WEAKEXT:
		switch s.AuxCSect.StorageMappingClass {
		default:

// 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 {

// Copyright 2018 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 xcoff

import (
	"encoding/binary"
	"fmt"
	"io"
	"os"
	"strconv"
	"strings"
)

const (
	SAIAMAG   = 0x8
	AIAFMAG   = "`\n"
	AIAMAG    = "<aiaff>\n"
	AIAMAGBIG = "<bigaf>\n"

	// Sizeof
	FL_HSZ_BIG = 0x80
	AR_HSZ_BIG = 0x70
)

	"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{
	".",

			fmt.Fprintf(stdout, "//go:cgo_import_dynamic %s %s %q\n", name, ss[0], strings.ToLower(ss[1]))
		}
		return
	}

	if f, err := xcoff.Open(obj); err == nil {
		defer f.Close()
		sym, err := f.ImportedSymbols()
		if err != nil {
			fatalf("cannot load imported symbols from XCOFF file %s: %v", obj, err)
		}
		for _, s := range sym {
			if s.Name == "runtime_rt0_go" || s.Name == "_rt0_ppc64_aix_lib" {

	# 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