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cmd/internal/obj: eagerly initialize assemblers

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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
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1
src/cmd/internal/obj/link.go
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@ -786,6 +786,7 @@ type SymVer struct {
// LinkArch is the definition of a single architecture.
type LinkArch struct {
*sys.Arch
Init func(*Link)
Preprocess func(*Link, *LSym, ProgAlloc)
Assemble func(*Link, *LSym, ProgAlloc)
Progedit func(*Link, *Prog, ProgAlloc)