func assembleInlines(fnsym *obj.LSym, dwVars []*dwarf.Var) dwarf.InlCalls {
	var inlcalls dwarf.InlCalls

	if base.Debug.DwarfInl != 0 {
		base.Ctxt.Logf("assembling DWARF inlined routine info for %v\n", fnsym.Name)
	}

	// This maps inline index (from Ctxt.InlTree) to index in inlcalls.Calls
	imap := make(map[int]int)

	// Walk progs to build up the InlCalls data structure
	var prevpos src.XPos

package dwarf_test

import (
	. "debug/dwarf"
	"encoding/binary"
	"path/filepath"
	"reflect"
	"testing"
)

func TestSplit(t *testing.T) {
	// debug/dwarf doesn't (currently) support split DWARF, but
	// the attributes that pointed to the split DWARF used to
	// cause loading the DWARF data to fail entirely (issue
	// #12592). Test that we can at least read the DWARF data.
	d := elfData(t, "testdata/split.elf")

// Copyright 2009 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 dwarf

import (
	"sort"
	"strconv"
)

// DWARF debug info is split into a sequence of compilation units.
// Each unit has its own abbreviation table and address size.

type unit struct {
	base   Offset // byte offset of header within the aggregate info

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import (
	"bytes"
	cmddwarf "cmd/internal/dwarf"
	"cmd/internal/objfile"
	"cmd/internal/quoted"
	"debug/dwarf"
	"internal/platform"
	"internal/testenv"
	"os"
	"os/exec"
	"path"
	"path/filepath"
	"runtime"
	"strings"
	"testing"
)

// loaded by the linker.
//
// These are used for both DWARF and pclntab generation.
type CompilationUnit struct {
	Lib       *Library      // Our library
	PclnIndex int           // Index of this CU in pclntab
	PCs       []dwarf.Range // PC ranges, relative to Textp[0]
	DWInfo    *dwarf.DWDie  // CU root DIE
	FileTable []string      // The file table used in this compilation unit.

	if seg := f.macho.Segment("__TEXT"); seg != nil {
		return seg.Addr, nil
	}
	return 0, fmt.Errorf("unknown load address")
}

func (f *machoFile) dwarf() (*dwarf.Data, error) {
	return f.macho.DWARF()

		return "arm"
	}
	return ""
}

func (f *plan9File) loadAddress() (uint64, error) {
	return 0, fmt.Errorf("unknown load address")
}

func (f *plan9File) dwarf() (*dwarf.Data, error) {
	return nil, errors.New("no DWARF data in Plan 9 file")

// storage unit is "unsigned"). BitOffset values can vary depending on
// the endianness of the system. BitOffset corresponds to the
// DW_AT_bit_offset DWARF attribute that was deprecated in DWARF 4 and
// removed in DWARF 5.
//
// At most one of DataBitOffset and BitOffset will be non-zero;
// DataBitOffset/BitOffset will only be non-zero if BitSize is
// non-zero. Whether a C compiler uses one or the other

)
const (
	SSUBTYP_DWINFO  = 0x10000 // DWARF info section
	SSUBTYP_DWLINE  = 0x20000 // DWARF line-number section
	SSUBTYP_DWPBNMS = 0x30000 // DWARF public names section
	SSUBTYP_DWPBTYP = 0x40000 // DWARF public types section
	SSUBTYP_DWARNGE = 0x50000 // DWARF aranges section
	SSUBTYP_DWABREV = 0x60000 // DWARF abbreviation section
	SSUBTYP_DWSTR   = 0x70000 // DWARF strings section

	f, err := elf.Open(name)
	if err != nil {
		t.Fatal(err)
	}

	d, err := f.DWARF()
	if err != nil {
		t.Fatal(err)
	}
	return d
}

func machoData(t *testing.T, name string) *Data {
	f, err := macho.Open(name)
	if err != nil {
		t.Fatal(err)
	}

	d, err := f.DWARF()
	if err != nil {
		t.Fatal(err)
	}
	return d
}

func peData(t *testing.T, name string) *Data {