1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/generic/framestate.c b/sysdeps/generic/framestate.c
new file mode 100644
index 0000000000..5cb3e6ca85
--- /dev/null
+++ b/sysdeps/generic/framestate.c
@@ -0,0 +1,47 @@
+/* __frame_state_for unwinder helper function wrapper.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <dlfcn.h>
+#include <stdlib.h>
+#define __frame_state_for fallback_frame_state_for
+#include <unwind-dw2.c>
+#undef __frame_state_for
+
+typedef struct frame_state * (*framesf)(void *pc, struct frame_state *);
+struct frame_state *__frame_state_for (void *pc,
+				       struct frame_state *frame_state);
+
+struct frame_state *
+__frame_state_for (void *pc, struct frame_state *frame_state)
+{
+  static framesf frame_state_for;
+
+  if (frame_state_for == NULL)
+    {
+      void *handle = __libc_dlopen ("libgcc_s.so.1");
+
+      if (handle == NULL
+	  || (frame_state_for
+	      = (framesf) __libc_dlsym (handle, "__frame_state_for")) == NULL)
+	frame_state_for = fallback_frame_state_for;
+    }
+
+  return frame_state_for (pc, frame_state);
+}