cmd/dist: support dist tool for loong64

Contributors to the loong64 port are:
  Weining Lu <luweining@loongson.cn>
  Lei Wang <wanglei@loongson.cn>
  Lingqin Gong <gonglingqin@loongson.cn>
  Xiaolin Zhao <zhaoxiaolin@loongson.cn>
  Meidan Li <limeidan@loongson.cn>
  Xiaojuan Zhai <zhaixiaojuan@loongson.cn>
  Qiyuan Pu <puqiyuan@loongson.cn>
  Guoqi Chen <chenguoqi@loongson.cn>

This port has been updated to Go 1.15.6:
  https://github.com/loongson/go

Updates #46229

Change-Id: I61dca43680d8e5bd3198a38577450a53f405a987
Reviewed-on: https://go-review.googlesource.com/c/go/+/342307
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>

diff --git a/src/cmd/dist/build.go b/src/cmd/dist/build.go
index bbaf595421d0e91e548b8642fb2cd9e117922699..c19714c4566248b099340252792daabcccb191c8 100644 (file)
--- a/src/cmd/dist/build.go
+++ b/src/cmd/dist/build.go
@@ -64,6 +64,7 @@ var okgoarch = []string{
        "amd64",
        "arm",
        "arm64",
+       "loong64",
        "mips",
        "mipsle",
        "mips64",
@@ -1554,6 +1555,7 @@ var cgoEnabled = map[string]bool{
        "linux/amd64":     true,
        "linux/arm":       true,
        "linux/arm64":     true,
+       "linux/loong64":   true,
        "linux/ppc64":     false,
        "linux/ppc64le":   true,
        "linux/mips":      true,
@@ -1593,6 +1595,7 @@ var cgoEnabled = map[string]bool{
 // filtered out of cgoEnabled for 'dist list'. See golang.org/issue/28944
 var incomplete = map[string]bool{
        "linux/sparc64": true,
+       "linux/loong64": true,
 }
 
 // List of platforms which are first class ports. See golang.org/issue/38874.

diff --git a/src/cmd/dist/buildtool.go b/src/cmd/dist/buildtool.go
index 79ccf2b167a4a0a6b486ddd82d4aaedc26be2e33..6450601476737cc5e22aa10ca8805351d2f70347 100644 (file)
--- a/src/cmd/dist/buildtool.go
+++ b/src/cmd/dist/buildtool.go
@@ -87,6 +87,8 @@ var ignorePrefixes = []string{
 var ignoreSuffixes = []string{
        "_arm64.s",
        "_arm64.go",
+       "_loong64.s",
+       "_loong64.go",
        "_riscv64.s",
        "_riscv64.go",
        "_wasm.s",

diff --git a/src/cmd/dist/main.go b/src/cmd/dist/main.go
index 212d5cbe45cf133f8221e0a583dc6298d0d4e1c0..2651ecb05fcc27a405fd6614fef9624ebd190ff4 100644 (file)
--- a/src/cmd/dist/main.go
+++ b/src/cmd/dist/main.go
@@ -133,6 +133,8 @@ func main() {
                        if elfIsLittleEndian(os.Args[0]) {
                                gohostarch = "mipsle"
                        }
+               case strings.Contains(out, "loongarch64"):
+                       gohostarch = "loong64"
                case strings.Contains(out, "riscv64"):
                        gohostarch = "riscv64"
                case strings.Contains(out, "s390x"):

diff --git a/src/cmd/dist/test.go b/src/cmd/dist/test.go
index 7c8f1ea46d2dcbdd8a3f9b5412bd5935bc1126bc..afe4b3aebb8f310662230466db770f08d18c695c 100644 (file)
--- a/src/cmd/dist/test.go
+++ b/src/cmd/dist/test.go
@@ -1035,7 +1035,7 @@ func (t *tester) extLink() bool {
                "darwin-amd64", "darwin-arm64",
                "dragonfly-amd64",
                "freebsd-386", "freebsd-amd64", "freebsd-arm",
-               "linux-386", "linux-amd64", "linux-arm", "linux-arm64", "linux-ppc64le", "linux-mips64", "linux-mips64le", "linux-mips", "linux-mipsle", "linux-riscv64", "linux-s390x",
+               "linux-386", "linux-amd64", "linux-arm", "linux-arm64", "linux-loong64", "linux-ppc64le", "linux-mips64", "linux-mips64le", "linux-mips", "linux-mipsle", "linux-riscv64", "linux-s390x",
                "netbsd-386", "netbsd-amd64",
                "openbsd-386", "openbsd-amd64",
                "windows-386", "windows-amd64":
@@ -1061,7 +1061,7 @@ func (t *tester) internalLink() bool {
        // Internally linking cgo is incomplete on some architectures.
        // https://golang.org/issue/10373
        // https://golang.org/issue/14449
-       if goarch == "mips64" || goarch == "mips64le" || goarch == "mips" || goarch == "mipsle" || goarch == "riscv64" {
+       if goarch == "loong64" || goarch == "mips64" || goarch == "mips64le" || goarch == "mips" || goarch == "mipsle" || goarch == "riscv64" {
                return false
        }
        if goos == "aix" {