// (the most generic form).
func (sb *SymbolBuilder) AddSymRef(arch *sys.Arch, tgt Sym, add int64, typ objabi.RelocType, rsize int) int64 {
	return sb.addSymRef(tgt, add, typ, rsize)
}

func (sb *SymbolBuilder) AddAddrPlus(arch *sys.Arch, tgt Sym, add int64) int64 {
	return sb.addSymRef(tgt, add, objabi.R_ADDR, arch.PtrSize)
}

	if plt.Size() != 0 {
		return
	}

	// Load resolver address from got[0] into r25.
	plt.AddSymRef(ctxt.Arch, gotplt.Sym(), 0, objabi.R_ADDRMIPSU, 4)
	plt.SetUint32(ctxt.Arch, plt.Size()-4, 0x3c0e0000) // lui   $14, %hi(&GOTPLT[0])
	plt.AddSymRef(ctxt.Arch, gotplt.Sym(), 0, objabi.R_ADDRMIPS, 4)
	plt.SetUint32(ctxt.Arch, plt.Size()-4, 0xddd90000) // ld    $25, %lo(&GOTPLT[0])($14)

	}

	if !hasPCrel {
		sz := initfunc.AddSymRef(ctxt.Arch, tgt, 0, objabi.R_ADDRPOWER_GOT, 8)
		initfunc.SetUint32(ctxt.Arch, sz-8, 0x3c620000) // addis r3, r2, local.moduledata@got@ha
		initfunc.SetUint32(ctxt.Arch, sz-4, 0xe8630000) // ld r3, local.moduledata@got@l(r3)
	} else {
		sz := initfunc.AddSymRef(ctxt.Arch, tgt, 0, objabi.R_ADDRPOWER_GOT_PCREL34, 8)

	plt.AddInteriorSym(sb.Sym())

	plt.AddUint32(ctxt.Arch, 0x41c30333) // sub     t1,t1,t3

	plt.AddSymRef(ctxt.Arch, sb.Sym(), 0, objabi.R_RISCV_PCREL_LO12_I, 4)
	plt.SetUint32(ctxt.Arch, plt.Size()-4, 0x0003be03) // ld      t3,0(t2)

	plt.AddUint32(ctxt.Arch, 0xfd430313) // addi    t1,t1,-44

	plt.AddSymRef(ctxt.Arch, sb.Sym(), 0, objabi.R_RISCV_PCREL_LO12_I, 4)

	// larl %r2, <local.moduledata>
	initfunc.AddUint8(0xc0)
	initfunc.AddUint8(0x20)
	initfunc.AddSymRef(ctxt.Arch, ctxt.Moduledata, 6, objabi.R_PCREL, 4)
	r1 := initfunc.Relocs()
	ldr.SetRelocVariant(initfunc.Sym(), r1.Count()-1, sym.RV_390_DBL)

	// jg <runtime.addmoduledata[@plt]>
	initfunc.AddUint8(0xc0)
	initfunc.AddUint8(0xf4)
	initfunc.AddSymRef(ctxt.Arch, addmoduledata, 6, objabi.R_CALL, 4)
	r2 := initfunc.Relocs()

	o(0x53)

	o(0xe8)
	initfunc.AddSymRef(ctxt.Arch, ldr.Lookup("__x86.get_pc_thunk.cx", 0), 0, objabi.R_CALL, 4)

	o(0x8d, 0x81)
	initfunc.AddPCRelPlus(ctxt.Arch, ctxt.Moduledata, 6)

	o(0x8d, 0x99)
	gotsym := ldr.LookupOrCreateSym("_GLOBAL_OFFSET_TABLE_", 0)
	initfunc.AddSymRef(ctxt.Arch, gotsym, 12, objabi.R_PCREL, 4)
	o(0xe8)
	initfunc.AddSymRef(ctxt.Arch, addmoduledata, 0, objabi.R_CALL, 4)

	o(0x5b)

		// the following two instructions (adrp + ldr) load *got[2] into x17
		// adrp    x16, &got[0]
		plt.AddSymRef(ctxt.Arch, gotplt.Sym(), 16, objabi.R_ARM64_GOT, 4)
		plt.SetUint32(ctxt.Arch, plt.Size()-4, 0x90000010)

		// <imm> is the offset value of &got[2] to &got[0], the same below
		// ldr     x17, [x16, <imm>]
		plt.AddSymRef(ctxt.Arch, gotplt.Sym(), 16, objabi.R_ARM64_GOT, 4)
		plt.SetUint32(ctxt.Arch, plt.Size()-4, 0xf9400211)

	dsu := c.ldr.MakeSymbolUpdater(ds)
	tds := loader.Sym(t.(dwSym))
	switch size {
	default:
		c.linkctxt.Errorf(ds, "invalid size %d in adddwarfref\n", size)
	case c.arch.PtrSize, 4:
	}
	dsu.AddSymRef(c.arch, tds, ofs, objabi.R_ADDROFF, size)
}

func (c dwctxt) AddDWARFAddrSectionOffset(s dwarf.Sym, t interface{}, ofs int64) {
	size := 4
	if isDwarf64(c.linkctxt) {
		size = 8
	}

	o(0x48, 0x8d, 0x3d)
	initfunc.AddPCRelPlus(ctxt.Arch, ctxt.Moduledata, 0)
	//    7:	e8 00 00 00 00       	callq  c <local.dso_init+0xc>
	// 			8: R_X86_64_PLT32	runtime.addmoduledata-0x4
	o(0xe8)
	initfunc.AddSymRef(ctxt.Arch, addmoduledata, 0, objabi.R_CALL, 4)
	//    c:	c3                   	retq
	o(0xc3)
}

func adddynrel(target *ld.Target, ldr *loader.Loader, syms *ld.ArchSyms, s loader.Sym, r loader.Reloc, rIdx int) bool {