Init. Copied over heload, made a minimal tester.

include/hiload/hiload.h

@@ -0,0 +1,25 @@
+#ifndef HILOAD_H_
+#define HILOAD_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Return codes for reload_module
+typedef enum {
+    RELOAD_SUCCESS = 0,
+    RELOAD_NOT_FOUND,
+    RELOAD_CLOSE_ERROR,
+    RELOAD_OPEN_ERROR
+} ReloadResult;
+
+int he_init();
+void he_deinit();
+void he_print_module_infos();
+ReloadResult he_reload_module(const char *module_name);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // HILOAD_H_

include/hiload/symbols.h

@@ -0,0 +1,22 @@
+#ifndef SYMBOLS_H_
+#define SYMBOLS_H_
+
+#include <link.h>
+#include <stddef.h>
+#include <stdint.h>
+
+typedef struct {
+  char **names;
+  void **addresses;
+  size_t count;
+  size_t capacity;
+} SymbolInfos;
+
+typedef enum { CREATE_SUCCESS = 0, CREATE_FAILED } CreateResult;
+
+struct dl_phdr_info;
+
+CreateResult he_create_symbol_info(SymbolInfos *, struct dl_phdr_info *);
+void he_free_symbol_info(SymbolInfos *);
+
+#endif // SYMBOLS_H_