cleaning up (Also for newlib)

1 files changed, 19 insertions, 0 deletions

diff --git a/newlib/crt0.s b/newlib/crt0.s
new file mode 100644
index 0000000..e8f0405
--- /dev/null
+++ b/newlib/crt0.s
@@ -0,0 +1,19 @@
+.global _start
+
+_start:
+
+# environment adress was passed on stack
+pop %eax                      
+mov %eax, environ
+
+# call main (argc and argv are on the stack)
+call main
+
+# push exit code and pass to _exit syscall
+push %eax
+call _exit
+
+# this should never be reached!
+.wait:
+    hlt
+jmp .wait