gdb/

[deliverable/binutils-gdb.git] / gdb / frame-unwind.h

diff --git a/gdb/frame-unwind.h b/gdb/frame-unwind.h
index c4518b558e189c7b9d9b309eb7e24e654965e8f2..3fe31f05db5d706e0c5fa0b46729d6e2548adef8 100644 (file)
--- a/gdb/frame-unwind.h
+++ b/gdb/frame-unwind.h
@@ -1,6 +1,7 @@
 /* Definitions for a frame unwinder, for GDB, the GNU debugger.
 
-   Copyright (C) 2003, 2004, 2007, 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010, 2011
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -149,8 +150,8 @@ struct frame_unwind
    that override earlier calls.  This allows, for instance, an OSABI
    to install a a more specific sigtramp unwinder that overrides the
    traditional brute-force unwinder.  */
-extern void frame_unwind_prepend_unwinder (struct gdbarch *gdbarch,
-                                          const struct frame_unwind *unwinder);
+extern void frame_unwind_prepend_unwinder (struct gdbarch *,
+                                          const struct frame_unwind *);
 
 /* Add a frame sniffer to the list.  The predicates are polled in the
    order that they are appended.  The initial list contains the dummy
@@ -159,11 +160,12 @@ extern void frame_unwind_prepend_unwinder (struct gdbarch *gdbarch,
 extern void frame_unwind_append_unwinder (struct gdbarch *gdbarch,
                                          const struct frame_unwind *unwinder);
 
-/* Iterate through sniffers for THIS frame until one returns with an
-   unwinder implementation.  Possibly initialize THIS_CACHE.  */
+/* Iterate through sniffers for THIS_FRAME frame until one returns with an
+   unwinder implementation.  THIS_FRAME->UNWIND must be NULL, it will get set
+   by this function.  Possibly initialize THIS_CACHE.  */
 
-extern const struct frame_unwind *frame_unwind_find_by_frame (struct frame_info *this_frame,
-                                                             void **this_cache);
+extern void frame_unwind_find_by_frame (struct frame_info *this_frame,
+                                       void **this_cache);
 
 /* Helper functions for value-based register unwinding.  These return
    a (possibly lazy) value of the appropriate type.  */