| // Copyright 2020 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package ld |
| |
| import ( |
| "cmd/link/internal/sym" |
| "strings" |
| ) |
| |
| // Temporary dumping around for sym.Symbol version of helper |
| // functions in dodata(), still being used for some archs/oses. |
| // FIXME: get rid of this file when dodata() is completely |
| // converted. |
| |
| // symalign returns the required alignment for the given symbol s. |
| func symalign(s *sym.Symbol) int32 { |
| min := int32(thearch.Minalign) |
| if s.Align >= min { |
| return s.Align |
| } else if s.Align != 0 { |
| return min |
| } |
| if strings.HasPrefix(s.Name, "go.string.") || strings.HasPrefix(s.Name, "type..namedata.") { |
| // String data is just bytes. |
| // If we align it, we waste a lot of space to padding. |
| return min |
| } |
| align := int32(thearch.Maxalign) |
| for int64(align) > s.Size && align > min { |
| align >>= 1 |
| } |
| s.Align = align |
| return align |
| } |
