switch sz {
	case 2:
		return uint64(arch.ByteOrder.Uint16(p))
	case 4:
		return uint64(arch.ByteOrder.Uint32(p))
	case 8:
		return arch.ByteOrder.Uint64(p)
	default:
		Exitf("dwarf: decode inuxi %d", sz)
		panic("unreachable")
	}
}

func commonsize(arch *sys.Arch) int      { return abi.CommonSize(arch.PtrSize) }      // runtime._type

		ctxt.Imports[i].Write(w.Writer)
	}

	// Package references
	h.Offsets[goobj.BlkPkgIdx] = w.Offset()
	for _, pkg := range w.pkglist {
		w.StringRef(pkg)
	}

	// File table (for DWARF and pcln generation).
	h.Offsets[goobj.BlkFile] = w.Offset()
	for _, f := range ctxt.PosTable.FileTable() {
		w.StringRef(filepath.ToSlash(f))
	}

	// Symbol definitions
	h.Offsets[goobj.BlkSymdef] = w.Offset()

			t.Helper()
			t.Fatalf("%s: %v\n%s", strings.Join(cmd.Args, " "), err, cmd.Stderr)
		}
	}

	return string(bytes.TrimSpace(out))
}

func TestDWARFSections(t *testing.T) {
	// test that DWARF sections are emitted for plugins and programs importing "plugin"
	globalSkip(t)
	goCmd(t, "run", "./checkdwarf/main.go", "plugin2.so", "plugin2.UnexportedNameReuse")

	s.Set(AttrNeedCtxt, flag&NEEDCTXT != 0)
	s.Set(AttrNoFrame, flag&NOFRAME != 0)
	s.Set(AttrPkgInit, flag&PKGINIT != 0)
	s.Type = objabi.STEXT
	ctxt.Text = append(ctxt.Text, s)

	// Set up DWARF entries for s
	ctxt.dwarfSym(s)
}

func (ctxt *Link) toFuncFlag(flag int) abi.FuncFlag {
	var out abi.FuncFlag
	if flag&TOPFRAME != 0 {
		out |= abi.FuncFlagTopFrame
	}
	if ctxt.IsAsm {

	// from src/compress/lzw/reader.go:90
	{
		var d struct {
			bits     uint32
			width    uint
		}
		_ = uint16(d.bits & (1<<d.width - 1))
	}

	// from src/debug/dwarf/buf.go:116
	{
		var ux uint64
		var bits uint
		x := int64(ux)
		if x&(1<<(bits-1)) != 0 {}
	}

	// from src/encoding/asn1/asn1.go:160
	{
		var bytes []byte

		// set the R_WEAK bit, leave rest of reloc type intact
		fn.LSym.R[i].Type |= objabi.R_WEAK
	}
}

// StackOffset returns the stack location of a LocalSlot relative to the
// stack pointer, suitable for use in a DWARF location entry. This has nothing
// to do with its offset in the user variable.
func StackOffset(slot ssa.LocalSlot) int32 {
	n := slot.N
	var off int64
	switch n.Class {
	case ir.PPARAM, ir.PPARAMOUT:

def iface_dtype(obj):
	"Decode type of the data field of an eface or iface struct."
	# known issue: dtype_name decoded from runtime.rtype is "nested.Foo"
	# but the dwarf table lists it as "full/path/to/nested.Foo"

	dynamic_go_type = iface_commontype(obj)
	if dynamic_go_type is None:
		return
	dtype_name = dynamic_go_type['string'].dereference()['str'].string()

			break
		}
		size2 += encoderune(b[size2:], r)
	}
	return s[:size2]
}

type stringStruct struct {
	str unsafe.Pointer
	len int
}

// Variant with *byte pointer type for DWARF debugging.
type stringStructDWARF struct {
	str *byte
	len int
}

func stringStructOf(sp *string) *stringStruct {
	return (*stringStruct)(unsafe.Pointer(sp))
}

-disable-free -disable-llvm-verifier -main-file-name - -mrelocation-model static -mthread-model posix -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu x86-64 -target-linker-version 2.24 -v -dwarf-column-info -resource-dir /usr/lib/llvm-3.6/bin/../lib/clang/3.6.0 -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-3.6/bin/../lib/clang/3.6.0/include -internal-externc-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/include -...

	# suffix array
	encoding/binary, regexp
	< index/suffixarray;

	# 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