2012-05-09 Frank Ch. Eigler <fche@redhat.com>

[deliverable/binutils-gdb.git] / gdb / dwarf2-frame.c

diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index 88aa338919e3da03c2b1908e1d3c234e00c93f98..9ebd4aef726551d61bb4059f80c9892cc73956aa 100644 (file)
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -354,7 +354,8 @@ static const struct dwarf_expr_context_funcs dwarf2_frame_ctx_funcs =
   ctx_no_get_tls_address,
   ctx_no_dwarf_call,
   ctx_no_get_base_type,
-  ctx_no_push_dwarf_reg_entry_value
+  ctx_no_push_dwarf_reg_entry_value,
+  ctx_no_get_addr_index
 };
 
 static CORE_ADDR
@@ -1490,6 +1491,10 @@ dwarf2_frame_cfa (struct frame_info *this_frame)
   if (!frame_unwinder_is (this_frame, &dwarf2_frame_unwind)
       && !frame_unwinder_is (this_frame, &dwarf2_tailcall_frame_unwind))
     error (_("can't compute CFA for this frame"));
+  if (get_frame_unwind_stop_reason (this_frame) == UNWIND_UNAVAILABLE)
+    throw_error (NOT_AVAILABLE_ERROR,
+                _("can't compute CFA for this frame: "
+                  "required registers or memory are unavailable"));
   return get_frame_base (this_frame);
 }
 \f