if r.Size != 4 {
			return false
		}
		out.Write32(uint32(elf.R_MIPS_32) | uint32(elfsym)<<8)
	case objabi.R_ADDRMIPS:
		out.Write32(uint32(elf.R_MIPS_LO16) | uint32(elfsym)<<8)
	case objabi.R_ADDRMIPSU:
		out.Write32(uint32(elf.R_MIPS_HI16) | uint32(elfsym)<<8)
	case objabi.R_ADDRMIPSTLS:
		out.Write32(uint32(elf.R_MIPS_TLS_TPREL_LO16) | uint32(elfsym)<<8)
	case objabi.R_CALLMIPS, objabi.R_JMPMIPS:

resources, or cause panics.
*/
package elf

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

// TODO: error reporting detail

/*
 * Internal ELF representation
 */

// A FileHeader represents an ELF file header.
type FileHeader struct {
	Class      Class

		Trampoline:       trampoline,
		Gentext:          gentext,
		Machoreloc1:      machoreloc1,
		PEreloc1:         pereloc1,

		ELF: ld.ELFArch{
			Linuxdynld:     "/lib/ld-linux.so.3", // 2 for OABI, 3 for EABI
			LinuxdynldMusl: "/lib/ld-musl-arm.so.1",
			Freebsddynld:   "/usr/libexec/ld-elf.so.1",
			Openbsddynld:   "/usr/libexec/ld.so",
			Netbsddynld:    "/libexec/ld.elf_so",
			Dragonflydynld: "XXX",
			Solarisdynld:   "XXX",

// Copyright 2019 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.

// cppunsuptypes.elf built with g++ 7.3
//    g++ -g -c -o cppunsuptypes.elf cppunsuptypes.cc

int i = 3;
double d = 3;

// anonymous reference type
int &culprit = i;

// named reference type
typedef double &dref;
dref dr = d;

// incorporated into another type

		// text size.
		TrampLimit: 1,
		Trampoline: trampoline,

		Gentext:     gentext,
		GenSymsLate: genSymsLate,
		Machoreloc1: machoreloc1,

		ELF: ld.ELFArch{
			Linuxdynld: "/lib/ld.so.1",

			Freebsddynld:   "/usr/libexec/ld-elf.so.1",
			Netbsddynld:    "XXX",
			Openbsddynld:   "/usr/libexec/ld.so",
			Dragonflydynld: "XXX",
			Solarisdynld:   "XXX",

			Reloc1:    elfreloc1,
			RelocSize: 24,

func (x *elfExe) DataStart() (uint64, uint64) {
	for _, s := range x.f.Sections {
		if s.Name == ".go.buildinfo" {
			return s.Addr, s.Size
		}
	}
	for _, p := range x.f.Progs {
		if p.Type == elf.PT_LOAD && p.Flags&(elf.PF_X|elf.PF_W) == elf.PF_W {
			return p.Vaddr, p.Memsz
		}
	}
	return 0, 0
}

// peExe is the PE (Windows Portable Executable) implementation of the exe interface.
type peExe struct {
	f *pe.File

// gcc -gsplit-dwarf split.c -o split.elf

int main() 
{

		Archinit:         archinit,
		Archreloc:        archreloc,
		Archrelocvariant: archrelocvariant,
		Extreloc:         extreloc,
		Machoreloc1:      machoreloc1,
		Gentext:          gentext,

		ELF: ld.ELFArch{
			Linuxdynld:     "/lib64/ld-linux-loongarch-lp64d.so.1",
			LinuxdynldMusl: "/lib/ld-musl-loongarch64.so.1",
			Freebsddynld:   "XXX",
			Openbsddynld:   "XXX",
			Netbsddynld:    "XXX",

}

func TestIssue29551(t *testing.T) {
	tests := []struct {
		sym     Sym
		pkgName string
	}{
		{Sym{goVersion: ver120, Name: "type:.eq.[9]debug/elf.intName"}, ""},
		{Sym{goVersion: ver120, Name: "type:.hash.debug/elf.ProgHeader"}, ""},
		{Sym{goVersion: ver120, Name: "type:.eq.runtime._panic"}, ""},
		{Sym{goVersion: ver120, Name: "type:.hash.struct { runtime.gList; runtime.n int32 }"}, ""},

	createHeadersOnce(t)

	f, err := elf.Open(libgoname)
	if err != nil {
		t.Fatalf("elf.Open failed: %v", err)
	}
	defer f.Close()

	ds := f.SectionByType(elf.SHT_DYNAMIC)
	if ds == nil {
		t.Fatalf("no SHT_DYNAMIC section")
	}
	d, err := ds.Data()
	if err != nil {
		t.Fatalf("can't read SHT_DYNAMIC contents: %v", err)
	}
	for len(d) > 0 {
		var tag elf.DynTag
		switch f.Class {