1 files changed, 41 insertions, 0 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h
new file mode 100644
index 0000000..1d8890a
--- /dev/null
+++ b/include/dlfcn.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Stub dlfcn implementation for systems that lack shared library support
+ * but obviously can still reference compiled-in symbols.
+ */
+
+#ifndef NO_SHARED_LIBS
+#include_next <dlfcn.h>
+#else
+
+#define RTLD_LAZY 0
+#define RTLD_GLOBAL 1
+#define _FAKE_DLFCN_HDL (void *)0xbeefcafe
+
+static inline void *dlopen(const char *file, int flag)
+{
+	if (file == NULL)
+		return _FAKE_DLFCN_HDL;
+	else
+		return NULL;
+}
+
+void *_dlsym(const char *sym);
+static inline void *dlsym(void *handle, const char *sym)
+{
+	if (handle != _FAKE_DLFCN_HDL)
+		return NULL;
+	return _dlsym(sym);
+}
+
+static inline char *dlerror(void)
+{
+	return NULL;
+}
+
+static inline int dlclose(void *handle)
+{
+	return (handle == _FAKE_DLFCN_HDL) ? 0 : 1;
+}
+
+#endif