stub.SetUint32(ctxt.Arch, stub.Size()-4, OP_PLD_SFX_R12) // pld r12, targ@plt
		} else if !isLinkingPIC(ctxt) {
			// This stub doesn't need to be PIC. Load targ address from the PLT via its absolute address.
			stub.AddSymRef(ctxt.Arch, plt, int64(ldr.SymPlt(targ)), objabi.R_ADDRPOWER_DS, 8)
			stub.SetUint32(ctxt.Arch, stub.Size()-8, OP_LIS_R12)    // lis r12,targ@plt@ha

	if ctxt.IsElf() {
		ctxt.mkArchSym(".rel", 0, &ctxt.Rel)
		ctxt.mkArchSym(".rela", 0, &ctxt.Rela)
		ctxt.mkArchSym(".rel.plt", 0, &ctxt.RelPLT)
		ctxt.mkArchSym(".rela.plt", 0, &ctxt.RelaPLT)
	}
	if ctxt.IsDarwin() {
		ctxt.mkArchSym(".linkedit.got", 0, &ctxt.LinkEditGOT)
		ctxt.mkArchSym(".linkedit.plt", 0, &ctxt.LinkEditPLT)
	}
}

type Arch struct {
	Funcalign  int
	Maxalign   int
	Minalign   int
	Dwarfregsp int

	sort.Slice(ctxt.SEHSyms, func(i, j int) bool {
		return ctxt.SEHSyms[i].Name < ctxt.SEHSyms[j].Name
	})
	ctxt.Data = append(ctxt.Data, ctxt.SEHSyms...)
	ctxt.SEHSyms = nil

	ctxt.pkgIdx = make(map[string]int32)
	ctxt.defs = []*LSym{}
	ctxt.hashed64defs = []*LSym{}
	ctxt.hasheddefs = []*LSym{}
	ctxt.nonpkgdefs = []*LSym{}

	var idx, hashedidx, hashed64idx, nonpkgidx int32

		return false
	}
	if !sigctxtAtTrapInstruction(ctxt) {
		println("trap at non-INT3 instruction pc =", hex(ctxt.sigpc()))
		return false
	}

	switch status := sigctxtStatus(ctxt); status {
	case 0:
		// Frame is ready. Copy the arguments to the frame and to registers.
		// Call the debug function.
		h.debugCallRun(ctxt)
	case 1:
		// Function returned. Copy frame and result registers back out.

	}
	return true
}

func span6(ctxt *obj.Link, s *obj.LSym, newprog obj.ProgAlloc) {
	if ctxt.Retpoline && ctxt.Arch.Family == sys.I386 {
		ctxt.Diag("-spectre=ret not supported on 386")
		ctxt.Retpoline = false // don't keep printing
	}

	pjc := makePjcCtx(ctxt)

	if s.P != nil {
		return
	}

	if ycover[0] == 0 {
		ctxt.Diag("x86 tables not initialized, call x86.instinit first")

		sb.AddAddr(ctxt.Arch, t)
		sb.AddUint(ctxt.Arch, uint64(ldr.SymSize(t)/int64(ctxt.Arch.PtrSize)))
		sb.AddUint(ctxt.Arch, uint64(ldr.SymSize(t)/int64(ctxt.Arch.PtrSize)))
	}
}

// inittaskSym builds a symbol containing pointers to all the inittasks
// that need to be run, given a list of root inittask symbols.
func (ctxt *Link) inittaskSym(rootNames []string, symName string) loader.Sym {

func testConfigArch(tb testing.TB, arch string) *Conf {
	ctxt, ok := testCtxts[arch]
	if !ok {
		tb.Fatalf("unknown arch %s", arch)
	}
	if ctxt.Arch.PtrSize != 8 {
		tb.Fatal("testTypes is 64-bit only")
	}
	c := &Conf{
		config: NewConfig(arch, testTypes, ctxt, true, false),
		tb:     tb,
	}
	return c
}

type Conf struct {
	config *Config
	tb     testing.TB

			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")
					}
				}
			}
		}
	}
}

/*

			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 {

	}
	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[:])
}