misc/cgo/testcarchive: enable test on darwin/arm

Change-Id: I0d3f9841500e0a41f1c427244869bf3736a31e18
Reviewed-on: https://go-review.googlesource.com/9075
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>

misc/cgo/testcarchive/main.c

@@ -31,5 +31,6 @@ int main(void) {
 
 	CheckArgs();
 
+	fprintf(stderr, "PASS\n");
 	return 0;
 }

misc/cgo/testcarchive/src/libgo/libgo.go

@@ -7,7 +7,6 @@ package main
 import (
 	"fmt"
 	"os"
-	"reflect"
 	"syscall"
 	"time"
 
@@ -47,9 +46,8 @@ func DidMainRun() bool { return ranMain }
 
 //export CheckArgs
 func CheckArgs() {
-	want := []string{"./testp", "arg1", "arg2"}
-	if !reflect.DeepEqual(want, os.Args) {
-		fmt.Printf("CheckArgs: want %v, got: %v\n", want, os.Args)
+	if len(os.Args) != 3 || os.Args[1] != "arg1" || os.Args[2] != "arg2" {
+		fmt.Printf("CheckArgs: want [_, arg1, arg2], got: %v\n", os.Args)
 		os.Exit(2)
 	}
 }

misc/cgo/testcarchive/test.bash

@@ -10,7 +10,7 @@ if [ "$(go env GOOS)" == "darwin" ]; then
 	ccargs="-Wl,-no_pie"
 	# For darwin/arm.
 	# TODO(crawshaw): Can we do better?
-	ccargs="$ccargs -framework CoreFoundation"
+	ccargs="$ccargs -framework CoreFoundation -framework Foundation"
 fi
 
 # TODO(crawshaw): Consider a go env for exec script name.

src/cmd/dist/test.go

@@ -352,6 +352,7 @@ func (t *tester) extLink() bool {
 	pair := t.gohostos + "-" + t.goarch
 	switch pair {
 	case "android-arm",
+		"darwin-arm", "darwin-arm64",
 		"dragonfly-386", "dragonfly-amd64",
 		"freebsd-386", "freebsd-amd64", "freebsd-arm",
 		"linux-386", "linux-amd64", "linux-arm",
@@ -378,9 +379,14 @@ func (t *tester) buildmode(mode string) bool {
 		switch {
 		case !t.extLink():
 			return false
-		case t.goos == "darwin" && t.goarch == "amd64":
-			// TODO(crawshaw): add darwin/arm{,64}
-			return true
+		case t.goos == "darwin":
+			switch t.goarch {
+			case "amd64", "arm":
+				// TODO(crawshaw): add darwin/arm64
+				return true
+			default:
+				return false
+			}
 		case t.goos == "linux" && (t.goarch == "amd64" || t.goarch == "386"):
 			return true
 		default: