syms = syms[:0]
	for k := range sl {
		s := sl[k].sym
		if s != head && s != tail {
			align := symalign(ldr, s)
			if maxAlign < align {
				maxAlign = align
			}
		}
		syms = append(syms, s)
	}

	return syms, maxAlign
}

// Add buildid to beginning of text segment, on non-ELF systems.
// Non-ELF binary formats are not always flexible enough to

pkg go/types, type Sizes interface, Offsetsof([]*Var) []int64
pkg go/types, type Sizes interface, Sizeof(Type) int64
pkg go/types, type Slice struct
pkg go/types, type StdSizes struct
pkg go/types, type StdSizes struct, MaxAlign int64
pkg go/types, type StdSizes struct, WordSize int64
pkg go/types, type Struct struct
pkg go/types, type Tuple struct
pkg go/types, type Type interface { String, Underlying }

	}
	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
	Dwarfreglr int

	// Threshold of total text size, used for trampoline insertion. If the total
	// text size is smaller than TrampLimit, we won't need to insert trampolines.

		{"SendOnly", Const, 5},
		{"SendRecv", Const, 5},
		{"Signature", Type, 5},
		{"Sizes", Type, 5},
		{"SizesFor", Func, 9},
		{"Slice", Type, 5},
		{"StdSizes", Type, 5},
		{"StdSizes.MaxAlign", Field, 5},
		{"StdSizes.WordSize", Field, 5},
		{"String", Const, 5},
		{"Struct", Type, 5},
		{"Term", Type, 18},
		{"Tuple", Type, 5},
		{"Typ", Var, 5},
		{"Type", Type, 5},