[dev.regabi] cmd/compile: split out package noder [generated]

[git-generate]
cd src/cmd/compile/internal/gc

rf '
	mv ArhdrSize HeaderSize
	mv arsize ReadHeader
	mv formathdr FormatHeader
	mv HeaderSize ReadHeader FormatHeader archive.go
	mv archive.go cmd/internal/archive

	mv makePos main.go

	mv checkDotImports CheckDotImports
	mv parseFiles ParseFiles

	mv Pragma pragmas
	mv PragmaEmbed pragmaEmbed
	mv PragmaPos pragmaPos
	mv FuncPragmas funcPragmas
	mv TypePragmas typePragmas

	mv fakeRecv noder.funcLit renameinitgen renameinit oldname varEmbed noder.go
	mv isDriveLetter islocalname findpkg myheight importfile \
		reservedimports isbadimport \
		pkgnotused \
		mkpackage clearImports \
		CheckDotImports dotImports importDot \
		importName \
		import.go

	mv noder _noder
	mv import.go lex.go lex_test.go noder.go cmd/compile/internal/noder
'
cd ../noder
rf '
	mv _noder noder
'

Change-Id: Iac2b856f7b86143c666d818e4b7c5b261cf387d5
Reviewed-on: https://go-review.googlesource.com/c/go/+/279473
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/src/cmd/internal/archive/archive.go b/src/cmd/internal/archive/archive.go
index 762e888a04..e9b25fe240 100644
--- a/src/cmd/internal/archive/archive.go
+++ b/src/cmd/internal/archive/archive.go
@@ -464,3 +464,24 @@ func exactly16Bytes(s string) string {
 	s += sixteenSpaces[:16-len(s)]
 	return s
 }
+
+// architecture-independent object file output
+const HeaderSize = 60
+
+func ReadHeader(b *bufio.Reader, name string) int {
+	var buf [HeaderSize]byte
+	if _, err := io.ReadFull(b, buf[:]); err != nil {
+		return -1
+	}
+	aname := strings.Trim(string(buf[0:16]), " ")
+	if !strings.HasPrefix(aname, name) {
+		return -1
+	}
+	asize := strings.Trim(string(buf[48:58]), " ")
+	i, _ := strconv.Atoi(asize)
+	return i
+}
+
+func FormatHeader(arhdr []byte, name string, size int64) {
+	copy(arhdr[:], fmt.Sprintf("%-16s%-12d%-6d%-6d%-8o%-10d`\n", name, 0, 0, 0, 0644, size))
+}