04: able to map dependency & resolve reolcs and execture main program (initial commit)

1 files changed, 18 insertions, 0 deletions

diff --git a/04_dynld_nostd/main.c b/04_dynld_nostd/main.c
new file mode 100644
index 0000000..ca250ef
--- /dev/null
+++ b/04_dynld_nostd/main.c
@@ -0,0 +1,18 @@
+// Copyright (c) 2020 Johannes Stoelp
+
+#include <io.h>
+#include <syscalls.h>
+
+// API of `libgreet.so`.
+extern const char* get_greet();
+extern const char* get_greet2();
+
+void _start() {
+    pfmt("Running _start() @ %s\n", __FILE__);
+
+    // Call function from libgreet.so -> generates PLT entry.
+    pfmt("get_greet()  -> %s\n", get_greet());
+    pfmt("get_greet2() -> %s\n", get_greet2());
+
+    _exit(0);
+}