cgo: add //go: pragmas to generated functions and globals

This patch adds //go: pragmas directly to declared functions and
globals found during CGo processing. This simplifies the logic in the
compiler: it no longer has to consider special "C." prefixed function
names. It also makes the cgo pass more flexible in the pragmas it emits
for functions and global variables.

1 files changed, 8 insertions, 1 deletions

diff --git a/cgo/cgo_test.go b/cgo/cgo_test.go
index a50437120..b46c36dd6 100644
--- a/cgo/cgo_test.go
+++ b/cgo/cgo_test.go
@@ -30,7 +30,14 @@ func normalizeResult(result string) string {
 func TestCGo(t *testing.T) {
 	var cflags = []string{"--target=armv6m-unknown-unknown-eabi"}
 
-	for _, name := range []string{"basic", "errors", "types", "flags", "const"} {
+	for _, name := range []string{
+		"basic",
+		"errors",
+		"types",
+		"symbols",
+		"flags",
+		"const",
+	} {
 		name := name // avoid a race condition
 		t.Run(name, func(t *testing.T) {
 			// Skip tests that require specific Go version.