initial check-in, version 0.5.0

src/process/execve.c

@@ -0,0 +1,8 @@
+#include <unistd.h>
+#include "syscall.h"
+
+int execve(const char *path, char *const argv[], char *const envp[])
+{
+	/* do we need to use environ if envp is null? */
+	return syscall3(__NR_execve, (long)path, (long)argv, (long)envp);
+}