libc: Add dummy argv

libs/libc/crt0.asm

@@ -6,6 +6,8 @@ extern _fini
 extern initialize_libc
 extern exit
 
+extern __argv
+
 global _start
 _start:
 	; Set up end of the stack frame linked list.
@@ -19,7 +21,7 @@ _start:
 	call _init
 
     mov rdi, 0 ; argc = 0
-    mov rsi, 0 ; argv = 0
+    mov rsi, __argv ; Dummy argv which is equal to {NULL}
 
 	call main
 

libs/libc/src/init.cpp

@@ -4,6 +4,8 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+__attribute__((used)) const char* __argv[] = {NULL}; // For now.
+
 static void terminate_libc()
 {
     fclose(stdout);