1 files changed, 69 insertions, 0 deletions
diff --git a/libgo/misc/cgo/testcshared/main1.c b/libgo/misc/cgo/testcshared/main1.c
new file mode 100644
index 00000000000..420dd1ea974
--- /dev/null
+++ b/libgo/misc/cgo/testcshared/main1.c
@@ -0,0 +1,69 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include <stdint.h>
+#include <stdio.h>
+#include <dlfcn.h>
+
+int check_int8(void* handle, const char* fname, int8_t want) {
+  int8_t (*fn)();
+  fn = (int8_t (*)())dlsym(handle, fname);
+  if (!fn) {
+    fprintf(stderr, "ERROR: missing %s: %s\n", fname, dlerror());
+    return 1;
+  }
+  signed char ret = fn();
+  if (ret != want) {
+    fprintf(stderr, "ERROR: %s=%d, want %d\n", fname, ret, want);
+    return 1;
+  }
+  return 0;
+}
+
+int check_int32(void* handle, const char* fname, int32_t want) {
+  int32_t (*fn)();
+  fn = (int32_t (*)())dlsym(handle, fname);
+  if (!fn) {
+    fprintf(stderr, "ERROR: missing %s: %s\n", fname, dlerror());
+    return 1;
+  }
+  int32_t ret = fn();
+  if (ret != want) {
+    fprintf(stderr, "ERROR: %s=%d, want %d\n", fname, ret, want);
+    return 1;
+  }
+  return 0;
+}
+
+// Tests libgo.so to export the following functions.
+//   int8_t DidInitRun() // returns true
+//   int8_t DidMainRun() // returns true
+//   int32_t FromPkg() // returns 1024
+int main(int argc, char** argv) {
+  void* handle = dlopen(argv[1], RTLD_LAZY | RTLD_GLOBAL);
+  if (!handle) {
+    fprintf(stderr, "ERROR: failed to open the shared library: %s\n",
+		    dlerror());
+    return 2;
+  }
+
+  int ret = 0;
+  ret = check_int8(handle, "DidInitRun", 1);
+  if (ret != 0) {
+    return ret;
+  }
+
+  ret = check_int8(handle, "DidMainRun", 0);
+  if (ret != 0) {
+    return ret;
+  }
+
+  ret = check_int32(handle, "FromPkg", 1024);
+  if (ret != 0) {
+   return ret;
+  }
+  // test.bash looks for "PASS" to ensure this program has reached the end. 
+  printf("PASS\n");
+  return 0;
+}