2003-07-16 Andrew Cagney <cagney@redhat.com>

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

diff --git a/gdb/frame-unwind.c b/gdb/frame-unwind.c
index ed43cb3bf51c11cd671129cc3d53ba44d1b05ed4..dda92b03c77243cc27c5e589c286479ea46e7acb 100644 (file)
--- a/gdb/frame-unwind.c
+++ b/gdb/frame-unwind.c
@@ -29,21 +29,17 @@ static struct gdbarch_data *frame_unwind_data;
 
 struct frame_unwind_table
 {
-  frame_unwind_p_ftype **p;
   frame_unwind_sniffer_ftype **sniffer;
   int nr;
 };
 
 /* Append a predicate to the end of the table.  */
 static void
-append_predicate (struct frame_unwind_table *table, frame_unwind_p_ftype *p,
+append_predicate (struct frame_unwind_table *table,
                  frame_unwind_sniffer_ftype *sniffer)
 {
-  table->p = xrealloc (table->p, ((table->nr + 1)
-                                 * sizeof (frame_unwind_p_ftype *)));
   table->sniffer = xrealloc (table->sniffer, ((table->nr + 1)
                                              * sizeof (frame_unwind_sniffer_ftype *)));
-  table->p[table->nr] = p;
   table->sniffer[table->nr] = sniffer;
   table->nr++;
 }
@@ -52,36 +48,10 @@ static void *
 frame_unwind_init (struct gdbarch *gdbarch)
 {
   struct frame_unwind_table *table = XCALLOC (1, struct frame_unwind_table);
-  append_predicate (table, dummy_frame_p, NULL);
+  append_predicate (table, dummy_frame_sniffer);
   return table;
 }
 
-static void
-frame_unwind_free (struct gdbarch *gdbarch, void *data)
-{
-  struct frame_unwind_table *table =
-    gdbarch_data (gdbarch, frame_unwind_data);
-  xfree (table->p);
-  xfree (table->sniffer);
-  xfree (table);
-}
-
-void
-frame_unwind_append_predicate (struct gdbarch *gdbarch,
-                              frame_unwind_p_ftype *p)
-{
-  struct frame_unwind_table *table =
-    gdbarch_data (gdbarch, frame_unwind_data);
-  if (table == NULL)
-    {
-      /* ULGH, called during architecture initialization.  Patch
-         things up.  */
-      table = frame_unwind_init (gdbarch);
-      set_gdbarch_data (gdbarch, frame_unwind_data, table);
-    }
-  append_predicate (table, p, NULL);
-}
-
 void
 frame_unwind_append_sniffer (struct gdbarch *gdbarch,
                             frame_unwind_sniffer_ftype *sniffer)
@@ -95,7 +65,7 @@ frame_unwind_append_sniffer (struct gdbarch *gdbarch,
       table = frame_unwind_init (gdbarch);
       set_gdbarch_data (gdbarch, frame_unwind_data, table);
     }
-  append_predicate (table, NULL, sniffer);
+  append_predicate (table, sniffer);
 }
 
 const struct frame_unwind *
@@ -113,12 +83,7 @@ frame_unwind_find_by_frame (struct frame_info *next_frame)
   for (i = 0; i < table->nr; i++)
     {
       const struct frame_unwind *desc;
-      if (table->p[i] != NULL)
-       desc = table->p[i] (frame_pc_unwind (next_frame));
-      else if (table->sniffer[i] != NULL)
-       desc = table->sniffer[i] (next_frame);
-      else
-       internal_error (__FILE__, __LINE__, "Missing sniffer?");
+      desc = table->sniffer[i] (next_frame);
       if (desc != NULL)
        return desc;
     }
@@ -130,6 +95,5 @@ extern initialize_file_ftype _initialize_frame_unwind; /* -Wmissing-prototypes *
 void
 _initialize_frame_unwind (void)
 {
-  frame_unwind_data = register_gdbarch_data (frame_unwind_init,
-                                            frame_unwind_free);
+  frame_unwind_data = register_gdbarch_data (frame_unwind_init, NULL);
 }