pclnState := ctxt.pclntab(containers)
	bench.Start("findfunctab")
	ctxt.findfunctab(pclnState, containers)
	bench.Start("dwarfGenerateDebugSyms")
	dwarfGenerateDebugSyms(ctxt)
	bench.Start("symtab")
	symGroupType := ctxt.symtab(pclnState)
	bench.Start("dodata")
	ctxt.dodata(symGroupType)
	bench.Start("address")
	order := ctxt.address()
	bench.Start("dwarfcompress")
	dwarfcompress(ctxt)
	bench.Start("layout")

	testenv.WriteImportcfg(t, importcfgfile, nil, "runtime")

	// Compile, assemble and pack the Go and C code.
	runGo("tool", "asm", "-p=main", "-gensymabis", "-o", "symabis", "x.s")
	runGo("tool", "compile", "-importcfg="+importcfgfile, "-symabis", "symabis", "-p=main", "-o", "x1.o", "main.go")
	runGo("tool", "asm", "-p=main", "-o", "x2.o", "x.s")
	run(cc, append(cflags, "-c", "-o", "x3.o", "x.c")...)

			default:
				align = 1
			}
		}
	}
	if s.Size > cutoff {
		w.ctxt.Diag("%s: symbol too large (%d bytes > %d bytes)", s.Name, s.Size, cutoff)
	}
	o := &w.tmpSym
	o.SetName(name, w.Writer)
	o.SetABI(abi)
	o.SetType(uint8(s.Type))
	o.SetFlag(flag)
	o.SetFlag2(flag2)
	o.SetSiz(uint32(s.Size))
	o.SetAlign(align)
	o.Write(w.Writer)
}

func (w *writer) Hash64(s *LSym) {

	ldr.SetSymSect(ldr.LookupOrCreateSym("runtime.egcbss", 0), ldr.SymSect(s))

	ctxt.xdefine("runtime.symtab", sym.SRODATA, int64(symtab.Vaddr))
	ctxt.xdefine("runtime.esymtab", sym.SRODATA, int64(symtab.Vaddr+symtab.Length))
	ctxt.xdefine("runtime.pclntab", sym.SRODATA, int64(pclntab.Vaddr))
	ctxt.defineInternal("runtime.pcheader", sym.SRODATA)

	name := NewNameAt(npos, sym, typ)
	name.Class = PFUNC
	sym.SetFunc(true)

	fn := &Func{Nname: name}
	fn.pos = fpos
	fn.op = ODCLFUNC
	// Most functions are ABIInternal. The importer or symabis
	// pass may override this.
	fn.ABI = obj.ABIInternal
	fn.SetTypecheck(1)

	name.Func = fn

	return fn
}

func (f *Func) isStmt() {}

	case ABI0:
		hash = ctxt.hash
	case ABIInternal:
		hash = ctxt.funchash
	default:
		panic("unknown ABI")
	}

	ctxt.hashmu.Lock()
	s := hash[name]
	if s == nil {
		s = &LSym{Name: name}
		s.SetABI(abi)
		hash[name] = s
		if init != nil {
			init(s)
		}
	}
	ctxt.hashmu.Unlock()
	return s
}

// Lookup looks up the symbol with name name.
// If it does not exist, it creates it.

	case sys.ARM64:
		if buildcfg.GOOS == "darwin" {
			return []string{"-arch", "arm64"}
		}
	case sys.Loong64:
		return []string{"-mabi=lp64d"}
	case sys.MIPS64:
		return []string{"-mabi=64"}
	case sys.MIPS:
		return []string{"-mabi=32"}
	case sys.PPC64:
		if buildcfg.GOOS == "aix" {
			return []string{"-maix64"}
		} else {
			return []string{"-m64"}
		}

	}

			v &^= flag
		}
		if atomic.CompareAndSwapUint32((*uint32)(a), uint32(v0), uint32(v)) {
			break
		}
	}
}

func (a *Attribute) ABI() ABI { return ABI(a.load() / attrABIBase) }
func (a *Attribute) SetABI(abi ABI) {
	const mask = 1 // Only one ABI bit for now.
	for {
		v0 := a.load()
		v := (v0 &^ (mask * attrABIBase)) | Attribute(abi)*attrABIBase
		if atomic.CompareAndSwapUint32((*uint32)(a), uint32(v0), uint32(v)) {

	attrOnList           Bitmap // "on list" symbols, indexed by global index
	attrLocal            Bitmap // "local" symbols, indexed by global index
	attrNotInSymbolTable Bitmap // "not in symtab" symbols, indexed by global idx
	attrUsedInIface      Bitmap // "used in interface" symbols, indexed by global idx
	attrSpecial          Bitmap // "special" frame symbols, indexed by global idx

// brackets, then it returns name with all the contents between (and including)
// the outermost left and right bracket removed.
//
// Adapted from debug/gosym/symtab.go:Sym.nameWithoutInst.
func nameWithoutInst(name string) string {
	start := strings.Index(name, "[")
	if start < 0 {
		return name
	}
	end := strings.LastIndex(name, "]")
	if end < 0 {