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cmd/internal/objabi: extract shared functionality from obj

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Now only cmd/asm and cmd/compile depend on cmd/internal/obj. Changing
the assembler backends no longer requires reinstalling cmd/link or
cmd/addr2line.

There's also now one canonical definition of the object file format in
cmd/internal/objabi/doc.go, with a warning to update all three
implementations.

objabi is still something of a grab bag of unrelated code (e.g., flag
and environment variable handling probably belong in a separate "tool"
package), but this is still progress.

Fixes #15165.
Fixes #20026.

Change-Id: Ic4b92fac7d0d35438e0d20c9579aad4085c5534c
Reviewed-on: https://go-review.googlesource.com/40972
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
This commit is contained in:
Matthew Dempsky 2017-04-18 12:53:25 -07:00
parent f71f32e5e1
commit 1e3570ac86
118 changed files with 2419 additions and 2407 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/cmd/compile/main.go
View file

@ -14,7 +14,7 @@ import (
"cmd/compile/internal/ppc64"
"cmd/compile/internal/s390x"
"cmd/compile/internal/x86"
"cmd/internal/obj"
"cmd/internal/objabi"
"fmt"
"log"
"os"
@ -40,9 +40,9 @@ func main() {
log.SetFlags(0)
log.SetPrefix("compile: ")
archInit, ok := archInits[obj.GOARCH]
archInit, ok := archInits[objabi.GOARCH]
if !ok {
fmt.Fprintf(os.Stderr, "compile: unknown architecture %q\n", obj.GOARCH)
fmt.Fprintf(os.Stderr, "compile: unknown architecture %q\n", objabi.GOARCH)
os.Exit(2)
}