2003-07-15 Andrew Cagney <cagney@redhat.com>

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

diff --git a/gdb/frame-base.h b/gdb/frame-base.h
index 5e0d5db2e25635712641dba06c040af803eb7d41..7433c54f8905d3ed786fa061ca78e8cc570009c1 100644 (file)
--- a/gdb/frame-base.h
+++ b/gdb/frame-base.h
@@ -29,30 +29,12 @@ struct frame_base;
 struct gdbarch;
 struct regcache;
 
-/* Return the frame base methods for the function that contains PC, or
-   NULL if it can't handle this frame.  */
+/* For compatibility.  */
 
 typedef const struct frame_base *(frame_base_p_ftype) (CORE_ADDR pc);
-
-/* Add a frame base handler to the list.  The predicates are polled in
-   the order that they are appended.  */
-
 extern void frame_base_append_predicate (struct gdbarch *gdbarch,
                                         frame_base_p_ftype *p);
 
-/* Set the default frame base.  If all else fails, this one is
-   returned.  If this isn't set, the default is to use legacy code
-   that uses things like the frame ID's base (ulgh!).  */
-
-extern void frame_base_set_default (struct gdbarch *gdbarch,
-                                   const struct frame_base *def);
-
-/* Iterate through the list of frame base handlers until one returns
-   an implementation.  */
-
-extern const struct frame_base *frame_base_find_by_pc (struct gdbarch *gdbarch,
-                                                      CORE_ADDR pc);
-
 /* Assuming the frame chain: (outer) prev <-> this <-> next (inner);
    and that this is a `normal frame'; use the NEXT frame, and its
    register unwind method, to determine the address of THIS frame's
@@ -91,4 +73,27 @@ struct frame_base
   frame_this_args_ftype *this_args;
 };
 
+/* Given the NEXT frame, return the frame base methods for THIS frame,
+   or NULL if it can't handle THIS frame.  */
+
+typedef const struct frame_base *(frame_base_sniffer_ftype) (struct frame_info *next_frame);
+
+/* Append a frame base sniffer to the list.  The sniffers are polled
+   in the order that they are appended.  */
+
+extern void frame_base_append_sniffer (struct gdbarch *gdbarch,
+                                      frame_base_sniffer_ftype *sniffer);
+
+/* Set the default frame base.  If all else fails, this one is
+   returned.  If this isn't set, the default is to use legacy code
+   that uses things like the frame ID's base (ulgh!).  */
+
+extern void frame_base_set_default (struct gdbarch *gdbarch,
+                                   const struct frame_base *def);
+
+/* Iterate through the list of frame base handlers until one returns
+   an implementation.  */
+
+extern const struct frame_base *frame_base_find_by_frame (struct frame_info *next_frame);
+
 #endif