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-rw-r--r--test/dlopen/dltest.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/test/dlopen/dltest.c b/test/dlopen/dltest.c
new file mode 100644
index 000000000..244f3b76b
--- /dev/null
+++ b/test/dlopen/dltest.c
@@ -0,0 +1,45 @@
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <dlfcn.h>
+#include <stdint.h>
+
+#ifdef __UCLIBC__
+extern void _dlinfo(void);
+#endif
+
+int main(int argc, char **argv)
+{
+ int ret = EXIT_SUCCESS;
+ void *handle;
+ void (*mydltest)(void *value1, void *value2);
+ char *error;
+ uint32_t *value1, *value2;
+
+ handle = dlopen (LIBNAME, RTLD_LAZY);
+ if (!handle) {
+ fprintf(stderr, "Could not open ./libtest.so: %s\n", dlerror());
+ exit(1);
+ }
+
+ mydltest = dlsym(handle, "dltest");
+ if ((error = dlerror()) != NULL) {
+ fprintf(stderr, "Could not locate symbol 'dltest': %s\n", error);
+ exit(1);
+ }
+
+ mydltest(&value1, &value2);
+ printf("dltest: __pthread_return_0=%p\n", value1);
+ printf("dltest: pthread_self=%p\n", value2);
+ if (value1 == value2) {
+ ret = EXIT_FAILURE;
+ printf("dltest: values should NOT be equal Weak values resolved incorrectly!\n");
+ } else {
+ printf("dltest: weak symbols resoved correctly.\n");
+ }
+
+ dlclose(handle);
+
+ return ret;
+}
+