if gotplt.Size() != 0 {
		ctxt.Errorf(gotplt.Sym(), "got.plt is not empty")
	}

	// Reserve got[0] for resolver address (populated by dynamic loader).
	gotplt.AddUint32(ctxt.Arch, 0)
	gotplt.AddUint32(ctxt.Arch, 0)
	gotLocalCount++

	// Reserve got[1] for ELF object pointer (populated by dynamic loader).
	gotplt.AddUint32(ctxt.Arch, 0)
	gotplt.AddUint32(ctxt.Arch, 0)
	gotLocalCount++

	// ourselves to circumvent the stack checks in the
	// Windows exception dispatcher.
	// Commit size must be strictly less than reserve
	// size otherwise reserve will be rounded up to a
	// larger size, as verified with VMMap.

	// On 64-bit, we always reserve 2MB stacks. "Pure" Go code is
	// okay with much smaller stacks, but the syscall package
	// makes it easy to call into arbitrary C code without cgo,

		}
	}

	return env, nil
}

var extraEnvKeys = []string{
	"SYSTEMROOT",         // must be preserved on Windows to find DLLs; golang.org/issue/25210
	"WINDIR",             // must be preserved on Windows to be able to run PowerShell command; golang.org/issue/30711
	"LD_LIBRARY_PATH",    // must be preserved on Unix systems to find shared libraries
	"LIBRARY_PATH",       // allow override of non-standard static library paths

	// stubs and reserve a PLT slot.
	//
	// 1) The call site is a "bl x" where genpltstub rewrites it to
	//    "bl x_stub". Depending on the properties of the caller
	//    (see ELFv2 1.5 4.2.5.3), a nop may be expected immediately
	//    after the bl. This nop is rewritten to ld r2,24(r1) to
	//    restore the toc pointer saved by x_stub.
	//
	// 2) We reserve space for a pointer in the .plt section (once

	p.From.Class = 0
	p.To.Class = 0

	// Previously we rewrote $0 to ZR, but we have now removed this change.
	// In order to be compatible with some previous legal instruction formats,
	// reserve the previous conversion for some specific instructions.
	if p.From.Type == obj.TYPE_CONST && p.From.Offset == 0 && zrReplace[p.As] {
		p.From.Type = obj.TYPE_REG
		p.From.Reg = REGZERO
	}

	POPCNTW R3, R4                  // 7c6402f4
	POPCNTD R3, R4                  // 7c6403f4

	PASTECC R3, R4                  // 7c23270d
	COPY R3, R4                     // 7c23260c

	// load-and-reserve
	LBAR (R4)(R3*1),$1,R5           // 7ca32069
	LBAR (R4)(R0),$1,R5             // 7ca02069
	LBAR (R4),$0,R5                 // 7ca02068
	LBAR (R3),R5                    // 7ca01868

				out.Write32(t.off)
				out.Write32(t.align)
				out.Write32(t.reloc)
				out.Write32(t.nreloc)
				out.Write32(t.flag)
				out.Write32(t.res1) /* reserved */
				out.Write32(t.res2) /* reserved */
				out.Write32(0)      /* reserved */
			} else {
				out.WriteStringN(t.name, 16)
				out.WriteStringN(t.segname, 16)
				out.Write32(uint32(t.addr))
				out.Write32(uint32(t.size))
				out.Write32(t.off)

	genFuncInfoSyms(ctxt)

	w := writer{
		Writer:  goobj.NewWriter(b),
		ctxt:    ctxt,
		pkgpath: objabi.PathToPrefix(ctxt.Pkgpath),
	}

	start := b.Offset()
	w.init()

	// Header
	// We just reserve the space. We'll fill in the offsets later.
	flags := uint32(0)
	if ctxt.Flag_shared {
		flags |= goobj.ObjFlagShared
	}
	if w.pkgpath == UnlinkablePkg {
		flags |= goobj.ObjFlagUnlinkable
	}
	if w.pkgpath == "" {

	Osntdata    int16    // Section Number For Tdata Section
	Osntbss     int16    // Section Number For Tbss Section
	Ox64flags   uint16   // Additional Flags For 64-Bit Objects
	Oresv3a     int16    // Reserved
	Oresv3      [2]int32 // Reserved
}

// Section Header
type XcoffScnHdr64 struct {
	Sname    [8]byte // Section Name
	Spaddr   uint64  // Physical Address
	Svaddr   uint64  // Virtual Address

	// and we will be able to detect (some) incomplete writes as files containing trailing NUL bytes.
	if err := f.Truncate(0); err != nil {
		return err
	}
	// Reserve the final size and zero-fill.
	if err := f.Truncate(int64(buf.Len())); err != nil {
		return err
	}
	// Write the actual contents. If this fails partway through,
	// the remainder of the file should remain as zeroes.