Reloc1:    elfreloc1,
			RelocSize: 24,
			SetupPLT:  elfsetupplt,
		},
	}

	return arch, theArch
}

func archinit(ctxt *ld.Link) {
	switch ctxt.HeadType {
	default:
		ld.Exitf("unknown -H option: %v", ctxt.HeadType)

	case objabi.Hlinux: // s390x ELF
		ld.Elfinit(ctxt)
		ld.HEADR = ld.ELFRESERVE
		if *ld.FlagRound == -1 {
			*ld.FlagRound = 0x10000
		}
		if *ld.FlagTextAddr == -1 {

		}
		ctxt.mainInittasks = ctxt.inittaskSym(roots, "go:shlib.inittasks")
		// Make symbol local so multiple plugins don't clobber each other's inittask list.
		ctxt.loader.SetAttrLocal(ctxt.mainInittasks, true)
	default:
		Exitf("unhandled build mode %d", ctxt.BuildMode)
	}

	// If the runtime is one of the packages we are building,
	// initialize the runtime_inittasks variable.
	ldr := ctxt.loader

			Reloc1:    elfreloc1,
			RelocSize: 8,
			SetupPLT:  elfsetupplt,
		},
	}

	return arch, theArch
}

func archinit(ctxt *ld.Link) {
	switch ctxt.HeadType {
	default:
		ld.Exitf("unknown -H option: %v", ctxt.HeadType)

	case objabi.Hplan9: /* plan 9 */
		ld.HEADR = 32
		if *ld.FlagRound == -1 {
			*ld.FlagRound = 4096
		}
		if *ld.FlagTextAddr == -1 {

			Reloc1:    elfreloc1,
			RelocSize: 24,
			SetupPLT:  elfsetupplt,
		},
	}

	return arch, theArch
}

func archinit(ctxt *ld.Link) {
	switch ctxt.HeadType {
	default:
		ld.Exitf("unknown -H option: %v", ctxt.HeadType)

	case objabi.Hplan9: /* plan 9 */
		ld.HEADR = 32
		if *ld.FlagRound == -1 {
			*ld.FlagRound = 4096
		}
		if *ld.FlagTextAddr == -1 {

			// .dynamic section.
			DynamicReadOnly: true,
		},
	}

	return arch, theArch
}

func archinit(ctxt *ld.Link) {
	switch ctxt.HeadType {
	default:
		ld.Exitf("unknown -H option: %v", ctxt.HeadType)

	case objabi.Hplan9: /* plan 9 */
		ld.HEADR = 32
		if *ld.FlagRound == -1 {
			*ld.FlagRound = 16 * 1024
		}
		if *ld.FlagTextAddr == -1 {

			Reloc1:    elfreloc1,
			RelocSize: 24,
			SetupPLT:  elfsetupplt,
		},
	}

	return arch, theArch
}

func archinit(ctxt *ld.Link) {
	switch ctxt.HeadType {
	default:
		ld.Exitf("unknown -H option: %v", ctxt.HeadType)

	case objabi.Hplan9: /* plan 9 */
		ld.HEADR = 32 + 8
		if *ld.FlagRound == -1 {
			*ld.FlagRound = 0x200000
		}
		if *ld.FlagTextAddr == -1 {

			Reloc1:    elfreloc1,
			RelocSize: 24,
			SetupPLT:  elfsetupplt,
		},
	}

	return arch, theArch
}

func archinit(ctxt *ld.Link) {
	switch ctxt.HeadType {
	default:
		ld.Exitf("unknown -H option: %v", ctxt.HeadType)

	case objabi.Hplan9: /* plan 9 */
		ld.HEADR = 32
		if *ld.FlagRound == -1 {
			*ld.FlagRound = 4096
		}
		if *ld.FlagTextAddr == -1 {

			sect.Rellen = uint64(relsize * sect.Relcount)
			sz += int64(sect.Rellen)
		}
	}
	filesz := ctxt.Out.Offset() + sz
	err := ctxt.Out.Mmap(uint64(filesz))
	if err != nil {
		Exitf("mapping output file failed: %v", err)
	}
}

// relocSectFn wraps the function writing relocations of a section
// for parallel execution. Returns the wrapped function and a wait

	}

	bufLen := len(out.buf)
	heapLen := len(out.heap)
	total := uint64(bufLen + heapLen)
	if heapLen != 0 {
		if err := out.Mmap(total); err != nil { // Mmap will copy out.heap over to out.buf
			Exitf("mapping output file failed: %v", err)
		}
	}
	return true
}

// maxOutBufHeapLen limits the growth of the heap area.
const maxOutBufHeapLen = 10 << 20