f := c.cursym.Func()
			if f.FuncFlag&abi.FuncFlagSPWrite == 0 {
				c.cursym.Func().FuncFlag |= abi.FuncFlagSPWrite
				if ctxt.Debugvlog || !ctxt.IsAsm {
					ctxt.Logf("auto-SPWRITE: %s %v\n", c.cursym.Name, p)
					if !ctxt.IsAsm {
						ctxt.Diag("invalid auto-SPWRITE in non-assembly")
						ctxt.DiagFlush()
						log.Fatalf("bad SPWRITE")
					}
				}
			}
		}
	}
}

/*

	"cmd/link/internal/ld"
	"cmd/link/internal/loader"
	"cmd/link/internal/sym"
	"debug/elf"
	"log"
)

func gentext(ctxt *ld.Link, ldr *loader.Loader) {
	if ctxt.DynlinkingGo() {
		// We need get_pc_thunk.
	} else {
		switch ctxt.BuildMode {
		case ld.BuildModeCArchive:
			if !ctxt.IsELF {
				return
			}
		case ld.BuildModePIE, ld.BuildModeCShared, ld.BuildModePlugin:
			// We need get_pc_thunk.
		default:

	}
	writeBlocks(ctxt, out, ctxt.outSem, ctxt.loader, syms, addr, size, zeros[:])
}

func pdatablk(ctxt *Link, out *OutBuf, addr int64, size int64) {
	writeBlocks(ctxt, out, ctxt.outSem, ctxt.loader, sehp.pdata, addr, size, zeros[:])
}

func xdatablk(ctxt *Link, out *OutBuf, addr int64, size int64) {
	writeBlocks(ctxt, out, ctxt.outSem, ctxt.loader, sehp.xdata, addr, size, zeros[:])
}

			hi20Syms = append(hi20Syms, sb.Sym())
		}
	}
	ctxt.Textp = append(ctxt.Textp, hi20Syms...)
	ldr.SortSyms(ctxt.Textp)
}

func findHI20Symbol(ctxt *ld.Link, ldr *loader.Loader, val int64) loader.Sym {
	idx := sort.Search(len(ctxt.Textp), func(i int) bool { return ldr.SymValue(ctxt.Textp[i]) >= val })
	if idx >= len(ctxt.Textp) {
		return 0
	}
	if s := ctxt.Textp[idx]; ldr.SymValue(s) == val && ldr.SymType(s) == sym.STEXT {

// that do not exist.
func (ctxt *Context) SrcDirs() []string {
	var all []string
	if ctxt.GOROOT != "" && ctxt.Compiler != "gccgo" {
		dir := ctxt.joinPath(ctxt.GOROOT, "src")
		if ctxt.isDir(dir) {
			all = append(all, dir)
		}
	}
	for _, p := range ctxt.gopath() {
		dir := ctxt.joinPath(p, "src")
		if ctxt.isDir(dir) {
			all = append(all, dir)
		}
	}
	return all

	}
	return str
}

func decodetypeGcmask(ctxt *Link, s loader.Sym) []byte {
	if ctxt.loader.SymType(s) == sym.SDYNIMPORT {
		symData := ctxt.loader.Data(s)
		addr := decodetypeGcprogShlib(ctxt, symData)
		ptrdata := decodetypePtrdata(ctxt.Arch, symData)
		sect := findShlibSection(ctxt, ctxt.loader.SymPkg(s), addr)
		if sect != nil {
			bits := ptrdata / int64(ctxt.Arch.PtrSize)
			r := make([]byte, (bits+7)/8)

func wasmExit(code int32)

// adjust Gobuf as it if executed a call to fn with context ctxt
// and then stopped before the first instruction in fn.
func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) {
	sp := buf.sp
	sp -= goarch.PtrSize
	*(*uintptr)(unsafe.Pointer(sp)) = buf.pc
	buf.sp = sp
	buf.pc = uintptr(fn)
	buf.ctxt = ctxt

)

func TestDedupLibraries(t *testing.T) {
	ctxt := &Link{}
	ctxt.Target.HeadType = objabi.Hlinux

	libs := []string{"libc.so", "libc.so.6"}

	got := dedupLibraries(ctxt, libs)
	if !reflect.DeepEqual(got, libs) {
		t.Errorf("dedupLibraries(%v) = %v, want %v", libs, got, libs)
	}
}

func TestDedupLibrariesOpenBSD(t *testing.T) {
	ctxt := &Link{}
	ctxt.Target.HeadType = objabi.Hopenbsd

	tests := []struct {

// files; and imported packages are added to the packages map.
func New(ctxt *build.Context, fset *token.FileSet, packages map[string]*types.Package) *Importer {
	return &Importer{
		ctxt:     ctxt,
		fset:     fset,
		sizes:    types.SizesFor(ctxt.Compiler, ctxt.GOARCH), // uses go/types default if GOARCH not found
		packages: packages,
	}
}

// emits a relocation with the method name. Matching methods are kept in all
// reachable types.
//
// Any unreached text symbols are removed from ctxt.Textp.
func deadcode(ctxt *Link) {
	ldr := ctxt.loader
	d := deadcodePass{ctxt: ctxt, ldr: ldr}
	d.init()
	d.flood()

	if ctxt.DynlinkingGo() {
		// Exported methods may satisfy interfaces we don't know
		// about yet when dynamically linking.
		d.reflectSeen = true
	}