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cmd/link: enable DWARF compression on Windows 

Simple follow-on to CL 118276. Everything worked except that the
compressed sections need to be aligned at PEFILEALIGN.

Fixes #25927
Updates #11799

Change-Id: Iec871defe30e3e66055d64a5ae77d5a7aca355f5
Reviewed-on: https://go-review.googlesource.com/119816
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
This commit is contained in:
Heschi Kreinick 2018-06-19 15:39:17 -04:00
parent 500293d8dc
commit 83515df3f3
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/cmd/link/internal/ld/dwarf.go
View File

@ -1951,7 +1951,7 @@ func dwarfaddelfsectionsyms(ctxt *Link) {
// relocations are applied. After this, dwarfp will contain a
// different (new) set of symbols, and sections may have been replaced.
func dwarfcompress(ctxt *Link) {
if !ctxt.IsELF || ctxt.LinkMode == LinkExternal {
if !(ctxt.IsELF || ctxt.HeadType == objabi.Hwindows) || ctxt.LinkMode == LinkExternal {
return
}
@ -1998,6 +1998,10 @@ func dwarfcompress(ctxt *Link) {
log.Fatalf("%s: unexpected sub-symbols", s)
}
pos += uint64(s.Size)
if ctxt.HeadType == objabi.Hwindows {
pos = uint64(Rnd(int64(pos), PEFILEALIGN))
}
}
Segdwarf.Length = pos - Segdwarf.Vaddr
}