all: move cmd/internal/xcoff to internal/xcoff

This commit moves cmd/internal/xcoff package to internal/xcoff because
it will be needed to add XCOFF support in go/internal/gccgoimporter.

Change-Id: Id12df0c438fb7db4a6a458fc1478480851bf7771
Reviewed-on: https://go-review.googlesource.com/c/152719
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

misc/nacl/testzip.proto

@@ -37,9 +37,6 @@ go	src=..
 				buildid
 					testdata
 						+
-				xcoff
-					testdata
-						+
 			gofmt
 				gofmt.go
 				gofmt_test.go
@@ -157,6 +154,9 @@ go	src=..
 			trace
 				testdata
 					+
+			xcoff
+				testdata
+					+
 		io
 			+
 		mime

src/cmd/cgo/gcc.go

@@ -9,7 +9,6 @@ package main
 
 import (
 	"bytes"
-	"cmd/internal/xcoff"
 	"debug/dwarf"
 	"debug/elf"
 	"debug/macho"
@@ -21,6 +20,7 @@ import (
 	"go/ast"
 	"go/parser"
 	"go/token"
+	"internal/xcoff"
 	"math"
 	"os"
 	"strconv"

src/cmd/cgo/out.go

@@ -6,7 +6,6 @@ package main
 
 import (
 	"bytes"
-	"cmd/internal/xcoff"
 	"debug/elf"
 	"debug/macho"
 	"debug/pe"
@@ -14,6 +13,7 @@ import (
 	"go/ast"
 	"go/printer"
 	"go/token"
+	"internal/xcoff"
 	"io"
 	"io/ioutil"
 	"os"

src/cmd/compile/internal/ssa/stmtlines_test.go

 package ssa_test
 
 import (
-	"cmd/internal/xcoff"
 	"debug/dwarf"
 	"debug/elf"
 	"debug/macho"
 	"debug/pe"
 	"fmt"
 	"internal/testenv"
+	"internal/xcoff"
 	"io"
 	"runtime"
 	"testing"

src/cmd/dist/buildtool.go

@@ -65,7 +65,6 @@ var bootstrapDirs = []string{
 	"cmd/internal/obj/wasm",
 	"cmd/internal/src",
 	"cmd/internal/sys",
-	"cmd/internal/xcoff",
 	"cmd/link",
 	"cmd/link/internal/amd64",
 	"cmd/link/internal/arm",
@@ -90,6 +89,7 @@ var bootstrapDirs = []string{
 	"debug/elf",
 	"debug/macho",
 	"debug/pe",
+	"internal/xcoff",
 	"math/big",
 	"math/bits",
 	"sort",

src/cmd/internal/buildid/buildid.go

@@ -6,9 +6,9 @@ package buildid
 
 import (
 	"bytes"
-	"cmd/internal/xcoff"
 	"debug/elf"
 	"fmt"
+	"internal/xcoff"
 	"io"
 	"os"
 	"strconv"

src/cmd/internal/objfile/xcoff.go

@@ -7,9 +7,9 @@
 package objfile
 
 import (
-	"cmd/internal/xcoff"
 	"debug/dwarf"
 	"fmt"
+	"internal/xcoff"
 	"io"
 	"unicode"
 )

src/cmd/link/internal/loadxcoff/ldxcoff.go

@@ -9,10 +9,10 @@ import (
 	"cmd/internal/bio"
 	"cmd/internal/objabi"
 	"cmd/internal/sys"
-	"cmd/internal/xcoff"
 	"cmd/link/internal/sym"
 	"errors"
 	"fmt"
+	"internal/xcoff"
 )
 
 // ldSection is an XCOFF section with its symbols.

src/cmd/nm/nm_test.go

@@ -64,7 +64,7 @@ func TestNonGoExecs(t *testing.T) {
 		"debug/pe/testdata/gcc-386-mingw-exec",
 		"debug/plan9obj/testdata/amd64-plan9-exec",
 		"debug/plan9obj/testdata/386-plan9-exec",
-		"cmd/internal/xcoff/testdata/gcc-ppc64-aix-dwarf2-exec",
+		"internal/xcoff/testdata/gcc-ppc64-aix-dwarf2-exec",
 	}
 	for _, f := range testfiles {
 		exepath := filepath.Join(runtime.GOROOT(), "src", f)

src/go/build/deps_test.go

@@ -273,6 +273,7 @@ var pkgDeps = map[string][]string{
 	"internal/goroot":                {"L4", "OS"},
 	"internal/singleflight":          {"sync"},
 	"internal/trace":                 {"L4", "OS", "container/heap"},
+	"internal/xcoff":                 {"L4", "OS", "debug/dwarf"},
 	"math/big":                       {"L4"},
 	"mime":                           {"L4", "OS", "syscall", "internal/syscall/windows/registry"},
 	"mime/quotedprintable":           {"L4"},