// the lists used for roots in the deadcode pass.
			if f[0] == "cgo_export_static" {
				if ctxt.LinkMode == LinkExternal && !l.AttrCgoExportStatic(s) {
					// Static cgo exports appear
					// in the exported symbol table.
					ctxt.dynexp = append(ctxt.dynexp, s)
				}
				if ctxt.LinkMode == LinkInternal {
					// For internal linking, we're
					// responsible for resolving

func (sect *peSection) write(out *OutBuf, linkmode LinkMode) error {
	h := pe.SectionHeader32{
		VirtualSize:          sect.virtualSize,
		SizeOfRawData:        sect.sizeOfRawData,
		PointerToRawData:     sect.pointerToRawData,
		PointerToRelocations: sect.pointerToRelocations,
		NumberOfRelocations:  sect.numberOfRelocations,
		Characteristics:      sect.characteristics,
	}
	if linkmode != LinkExternal {

		},
		{
			name:             "bindnow-linkmode-internal",
			args:             []string{"-ldflags", "-bindnow -linkmode=internal"},
			prog:             progC,
			mustHaveCGO:      true,
			mustInternalLink: true,
			wantDfBindNow:    true,
			wantDf1Now:       true,
		},
		{
			name:                 "bindnow-pie-linkmode-internal",

			}
			s := ctxt.loader.Lookup(name, ver)
			if s != 0 {
				ctxt.loader.SetAttrCgoExportDynamic(s, false)
			}
		}
	}
}

func machoadddynlib(lib string, linkmode LinkMode) {
	if seenlib[lib] || linkmode == LinkExternal {
		return
	}
	seenlib[lib] = true

	// Will need to store the library name rounded up
	// and 24 bytes of header metadata. If not enough

	// deterministic.
	linktmp := filepath.Join(tmpdir, "linktmp")
	if err := os.Mkdir(linktmp, 0777); err != nil {
		t.Fatal(err)
	}

	// Link with -v -linkmode=external to see the flags we pass to the
	// external linker.
	ldflags := "-ldflags=-v -linkmode=external -tmpdir=" + linktmp
	var out0 []byte
	for i := 0; i < 5; i++ {
		cmd := testenv.Command(t, testenv.GoToolPath(t), "build", ldflags, "-o", exe, src)

{{range $index, $element := .}}	fmt.Println(V{{$index}})
{{end}}
}
`

func TestPIESize(t *testing.T) {
	testenv.MustHaveGoBuild(t)

	// We don't want to test -linkmode=external if cgo is not supported.
	// On some systems -buildmode=pie implies -linkmode=external, so just
	// always skip the test if cgo is not supported.
	testenv.MustHaveCGO(t)

	default:
		ctxt.Errorf(s, "trampoline called with non-jump reloc: %d (%s)", r.Type(), sym.RelocName(ctxt.Arch, r.Type()))
	}
}

func genCallTramp(arch *sys.Arch, linkmode ld.LinkMode, ldr *loader.Loader, tramp *loader.SymbolBuilder, target loader.Sym, offset int64) {
	tramp.AddUint32(arch, 0x00000f97) // AUIPC	$0, X31
	tramp.AddUint32(arch, 0x000f8067) // JALR	X0, (X31)

	// is arbitrary; we just need something sufficiently large that uses
	// external linking.
	exe := filepath.Join(dir, "go.exe")
	out, err := testenv.Command(t, testenv.GoToolPath(t), "build", "-o", exe, "-ldflags=-linkmode=external -debugtextsize=1048576", "cmd/go").CombinedOutput()
	if err != nil {
		t.Fatalf("build failure: %s\n%s\n", err, string(out))
	}

	// Check that we did split text sections.

	default:
		ctxt.Errorf(s, "trampoline called with non-jump reloc: %d (%s)", r.Type(), sym.RelocName(ctxt.Arch, r.Type()))
	}
}

// generate a trampoline to target+offset.
func gentramp(arch *sys.Arch, linkmode ld.LinkMode, ldr *loader.Loader, tramp *loader.SymbolBuilder, target loader.Sym, offset int64) {
	tramp.SetSize(12) // 3 instructions
	P := make([]byte, tramp.Size())
	t := ldr.SymValue(target) + offset

	}
	flagHeadType := flag.String("H", "", "set header `type`")
	flag.BoolVar(&ctxt.linkShared, "linkshared", false, "link against installed Go shared libraries")
	flag.Var(&ctxt.LinkMode, "linkmode", "set link `mode`")
	flag.Var(&ctxt.BuildMode, "buildmode", "set build `mode`")
	flag.BoolVar(&ctxt.compressDWARF, "compressdwarf", true, "compress DWARF if possible")