* config/tc-mips.c (macro_build_jalr): Reverse a negative

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

diff --git a/gdb/frame-unwind.h b/gdb/frame-unwind.h
index 2bd8046b1383c9163f687e8b4f07d6020164dace..5b04a1cb3067d66d03f231b4e686a8f913acd8e9 100644 (file)
--- a/gdb/frame-unwind.h
+++ b/gdb/frame-unwind.h
@@ -51,6 +51,9 @@ typedef int (frame_sniffer_ftype) (const struct frame_unwind *self,
                                   struct frame_info *this_frame,
                                   void **this_prologue_cache);
 
+typedef enum unwind_stop_reason (frame_unwind_stop_reason_ftype)
+  (struct frame_info *this_frame, void **this_prologue_cache);
+
 /* A default frame sniffer which always accepts the frame.  Used by
    fallback prologue unwinders.  */
 
@@ -58,6 +61,13 @@ int default_frame_sniffer (const struct frame_unwind *self,
                           struct frame_info *this_frame,
                           void **this_prologue_cache);
 
+/* A default stop_reason callback which always claims the frame is
+   unwindable.  */
+
+enum unwind_stop_reason
+  default_frame_unwind_stop_reason (struct frame_info *this_frame,
+                                   void **this_cache);
+
 /* Assuming the frame chain: (outer) prev <-> this <-> next (inner);
    use THIS frame, and through it the NEXT frame's register unwind
    method, to determine the frame ID of THIS frame.
@@ -136,6 +146,7 @@ struct frame_unwind
   enum frame_type type;
   /* Should an attribute indicating the frame's address-in-block go
      here?  */
+  frame_unwind_stop_reason_ftype *stop_reason;
   frame_this_id_ftype *this_id;
   frame_prev_register_ftype *prev_register;
   const struct frame_data *unwind_data;
@@ -148,7 +159,7 @@ struct frame_unwind
    search list (so it is sniffed before previously registered
    unwinders).  By using a prepend, later calls can install unwinders
    that override earlier calls.  This allows, for instance, an OSABI
-   to install a a more specific sigtramp unwinder that overrides the
+   to install a more specific sigtramp unwinder that overrides the
    traditional brute-force unwinder.  */
 extern void frame_unwind_prepend_unwinder (struct gdbarch *,
                                           const struct frame_unwind *);