ctxt.doStackCheck()

	bench.Start("mangleTypeSym")
	ctxt.mangleTypeSym()

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

		return err
	}
	defer f.Close()

	mf, err := macho.NewFile(f)
	if err != nil {
		return err
	}
	if mf.Magic != macho.Magic64 {
		Exitf("not 64-bit Mach-O file: %s", fname)
	}

	// Find existing LC_CODE_SIGNATURE and __LINKEDIT segment
	var sigOff, sigSz, csCmdOff, linkeditOff int64
	var linkeditSeg, textSeg *macho.Segment
	loadOff := int64(machoHeaderSize64)

import (
	"debug/dwarf"
	"debug/macho"
	"fmt"
	"io"
	"sort"
)

const stabTypeMask = 0xe0

type machoFile struct {
	macho *macho.File
}

func openMacho(r io.ReaderAt) (rawFile, error) {
	f, err := macho.NewFile(r)
	if err != nil {
		return nil, err
	}
	return &machoFile{f}, nil
}

func (f *machoFile) symbols() ([]Sym, error) {
	if f.macho.Symtab == nil {
		return nil, nil
	}

// https://web.archive.org/web/20090819232456/http://developer.apple.com/documentation/DeveloperTools/Conceptual/MachORuntime/index.html
// For cloned PDF see:
// https://github.com/aidansteele/osx-abi-macho-file-format-reference

package macho

import "strconv"

// A FileHeader represents a Mach-O file header.
type FileHeader struct {
	Magic  uint32
	Cpu    Cpu
	SubCpu uint32
	Type   Type
	Ncmd   uint32
	Cmdsz  uint32

Cherry Mui <******@****.***> 1651859543 -0400

Russ Cox <******@****.***> 1410149331 -0400

        if (value == null) {
            value = factory.apply(key);
            doCache(key, value);
        }

        return value;
    }

    @Override
    public V getIfPresent(K key) {
        return doGet(key);
    }

    @Override
    public void put(K key, V value) {
        doCache(key, value);
    }

    abstract protected <T extends K> V doGet(T key);

Andrew <******@****.***> 1574269611 -0500

pkg debug/macho, const FlagBindsToWeak uint32
pkg debug/macho, const FlagCanonical = 16384
pkg debug/macho, const FlagCanonical uint32
pkg debug/macho, const FlagDeadStrippableDylib = 4194304
pkg debug/macho, const FlagDeadStrippableDylib uint32
pkg debug/macho, const FlagDyldLink = 4
pkg debug/macho, const FlagDyldLink uint32
pkg debug/macho, const FlagForceFlat = 256
pkg debug/macho, const FlagForceFlat uint32

// Copyright 2017 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 macho

//go:generate stringer -type=RelocTypeGeneric,RelocTypeX86_64,RelocTypeARM,RelocTypeARM64 -output reloctype_string.go

type RelocTypeGeneric int

const (
	GENERIC_RELOC_VANILLA        RelocTypeGeneric = 0
	GENERIC_RELOC_PAIR           RelocTypeGeneric = 1