1 files changed, 38 insertions, 0 deletions
diff --git a/elf/soinit.c b/elf/soinit.c
new file mode 100644
index 0000000..0310b74
--- /dev/null
+++ b/elf/soinit.c
@@ -0,0 +1,38 @@
+/* Initializer module for building the ELF shared C library.  This file and
+   sofini.c do the work normally done by crtbeginS.o and crtendS.o, to wrap
+   the `.ctors' and `.dtors' sections so the lists are terminated, and
+   calling those lists of functions.  */
+
+static void (*const __CTOR_LIST__[1]) (void)
+     __attribute__ ((section (".ctors")))
+     = { (void (*) (void)) -1 };
+static void (*const __DTOR_LIST__[1]) (void)
+     __attribute__ ((section (".dtors")))
+     = { (void (*) (void)) -1 };
+
+static inline void
+run_hooks (void (*const list[]) (void))
+{
+  while (*++list)
+    (**list) ();
+}
+
+
+/* This function will be called from _init in init-first.c.  */
+void
+__libc_global_ctors (void)
+{
+  /* Call constructor functions.  */
+  run_hooks (__CTOR_LIST__);
+}
+
+
+/* This function becomes the DT_FINI termination function
+   for the C library.  */
+void _fini (void) __attribute__ ((section (".fini"))); /* Just for kicks.  */
+void
+_fini (void)
+{
+  /* Call destructor functions.  */
+  run_hooks (__DTOR_LIST__);
+}