cmd/internal/obj: eagerly initialize assemblers

CL 38662 changed the x86 assembler to be eagerly
initialized, for a concurrent backend.

This CL puts in place a proper mechanism for doing so,
and switches all architectures to use it.

Passes toolstash-check -all.

Updates #15756

Change-Id: Id2aa527d3a8259c95797d63a2f0d1123e3ca2a1c
Reviewed-on: https://go-review.googlesource.com/39917
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Josh Bleecher Snyder 2017-04-06 13:42:31 -07:00
parent 817c1023b0
commit 63c1aff60b
19 changed files with 64 additions and 17 deletions

View file

@ -42,6 +42,8 @@ func main() {
ctxt.Bso = bufio.NewWriter(os.Stdout)
defer ctxt.Bso.Flush()
architecture.Init(ctxt)
// Create object file, write header.
out, err := os.Create(*flags.OutputFile)
if err != nil {