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-rw-r--r--newlib/libc/misc/init.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/newlib/libc/misc/init.c b/newlib/libc/misc/init.c
new file mode 100644
index 000000000..539fbefed
--- /dev/null
+++ b/newlib/libc/misc/init.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2004 CodeSourcery, LLC
+ *
+ * Permission to use, copy, modify, and distribute this file
+ * for any purpose is hereby granted without fee, provided that
+ * the above copyright notice and this notice appears in all
+ * copies.
+ *
+ * This file is distributed WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/* Handle ELF .{pre_init,init,fini}_array sections. */
+#include <sys/types.h>
+
+#ifdef HAVE_INITFINI_ARRAY
+
+/* These magic symbols are provided by the linker. */
+extern void (*__preinit_array_start []) (void) __attribute__((weak));
+extern void (*__preinit_array_end []) (void) __attribute__((weak));
+extern void (*__init_array_start []) (void) __attribute__((weak));
+extern void (*__init_array_end []) (void) __attribute__((weak));
+extern void (*__fini_array_start []) (void) __attribute__((weak));
+extern void (*__fini_array_end []) (void) __attribute__((weak));
+
+extern void _init (void);
+extern void _fini (void);
+
+/* Iterate over all the init routines. */
+void
+__libc_init_array (void)
+{
+ size_t count;
+ size_t i;
+
+ count = __preinit_array_end - __preinit_array_start;
+ for (i = 0; i < count; i++)
+ __preinit_array_start[i] ();
+
+ _init ();
+
+ count = __init_array_end - __init_array_start;
+ for (i = 0; i < count; i++)
+ __init_array_start[i] ();
+}
+
+/* Run all the cleanup routines. */
+void
+__libc_fini_array (void)
+{
+ size_t count;
+ size_t i;
+
+ count = __fini_array_end - __fini_array_start;
+ for (i = 0; i < count; i++)
+ __fini_array_start[i] ();
+
+ _fini ();
+}
+#endif