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-rw-r--r--sysdeps/arm/unwind-dw2-fde-glibc.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/sysdeps/arm/unwind-dw2-fde-glibc.c b/sysdeps/arm/unwind-dw2-fde-glibc.c
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+++ b/sysdeps/arm/unwind-dw2-fde-glibc.c
@@ -0,0 +1,79 @@
+/* Dummy exception handling and frame unwind runtime interface routines.
+   Copyright (C) 2004-2014 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* ARM uses setjmp-longjmp exceptions.  However, previous versions of
+   GNU libc exported some DWARF-2 exception handling support routines.
+   They are not necessary, but older (or broken) configurations of GCC
+   will do so.  Even though all references to these are weak, because
+   they refer to versioned symbols, they must be provided.  */
+
+#include <stdlib.h>
+#include <unwind.h>
+#include <unwind-dw2-fde.h>
+
+/* These may be called from startup code, but don't need to do
+   anything.  */
+
+void __register_frame_info_bases (void *a1, struct object *a2,
+				  void *a3, void *a4)
+{
+}
+
+void __register_frame_info (void *a1, struct object *a2)
+{
+}
+
+void __register_frame (void *a1)
+{
+}
+
+void __register_frame_info_table_bases (void *a1, struct object *a2,
+					void *a3, void *a4)
+{
+}
+
+void __register_frame_info_table (void *a1, struct object *a2)
+{
+}
+
+void __register_frame_table (void *a1)
+{
+}
+
+void *__deregister_frame_info (void *a1)
+{
+  return NULL;
+}
+
+void *__deregister_frame_info_bases (void *a1)
+{
+  return NULL;
+}
+
+void __deregister_frame (void *a1)
+{
+}
+
+/* This should not be called.  */
+
+fde *
+_Unwind_Find_FDE (void *a1, struct dwarf_eh_bases *a2)
+{
+  abort ();
+}