cmd/internal/sys, cmd/dist, misc/cgo/testcshared: enable c-shared fea…

…ture and test on loong64 Linux kernel on loong64 has no Dup2 syscall support, so we use Dup3 to replace it like arm64 and riscv64. Updates golang#53301 Fixes golang#58784 Change-Id: I4e0be140a71b86f4626ed39d76cf3ac78f842018 Reviewed-on: https://go-review.googlesource.com/c/go/+/425478 Auto-Submit: Ian Lance Taylor <iant@google.com> Reviewed-by: Ian Lance Taylor <iant@google.com> Run-TryBot: WANG Xuerui <git@xen0n.name> Reviewed-by: David Chase <drchase@google.com> Reviewed-by: abner chenc <chenguoqi@loongson.cn> Run-TryBot: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: xiaodong liu <teaofmoli@gmail.com> Reviewed-by: WANG Xuerui <git@xen0n.name>
xen0n · Apr 12, 2023 · b3a194a · b3a194a
1 parent 313ce55
commit b3a194a
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diff --git a/misc/cgo/testcshared/testdata/libgo2/dup2.go b/misc/cgo/testcshared/testdata/libgo2/dup2.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build darwin || dragonfly || freebsd || (linux && !arm64 && !riscv64) || netbsd || openbsd
+//go:build darwin || dragonfly || freebsd || (linux && !arm64 && !loong64 && !riscv64) || netbsd || openbsd
 
 package main
 

diff --git a/misc/cgo/testcshared/testdata/libgo2/dup3.go b/misc/cgo/testcshared/testdata/libgo2/dup3.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build (linux && arm64) || (linux && riscv64)
+//go:build (linux && arm64) || (linux && loong64) || (linux && riscv64)
 
 package main
 

diff --git a/src/cmd/dist/test.go b/src/cmd/dist/test.go
@@ -1716,7 +1716,7 @@ func buildModeSupported(compiler, buildmode, goos, goarch string) bool {
 
 	case "c-shared":
 		switch platform {
-		case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/ppc64le", "linux/riscv64", "linux/s390x",
+		case "linux/amd64", "linux/arm", "linux/arm64", "linux/loong64", "linux/386", "linux/ppc64le", "linux/riscv64", "linux/s390x",
 			"android/amd64", "android/arm", "android/arm64", "android/386",
 			"freebsd/amd64",
 			"darwin/amd64", "darwin/arm64",

diff --git a/src/internal/platform/supported.go b/src/internal/platform/supported.go
@@ -157,7 +157,7 @@ func BuildModeSupported(compiler, buildmode, goos, goarch string) bool {
 
 	case "c-shared":
 		switch platform {
-		case "linux/amd64", "linux/arm", "linux/arm64", "linux/386", "linux/ppc64le", "linux/riscv64", "linux/s390x",
+		case "linux/amd64", "linux/arm", "linux/arm64", "linux/loong64", "linux/386", "linux/ppc64le", "linux/riscv64", "linux/s390x",
 			"android/amd64", "android/arm", "android/arm64", "android/386",
 			"freebsd/amd64",
 			"darwin/amd64", "darwin/arm64",