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

diff --git a/gdb/dwarf2-frame-tailcall.c b/gdb/dwarf2-frame-tailcall.c
index e4a8112960639b558f107edd2d86ea2f951ee6d0..613cc34b893481322d126c1b4032a8a5011d9734 100644 (file)
--- a/gdb/dwarf2-frame-tailcall.c
+++ b/gdb/dwarf2-frame-tailcall.c
@@ -68,7 +68,7 @@ struct tailcall_cache
 static hashval_t
 cache_hash (const void *arg)
 {
-  const struct tailcall_cache *cache = arg;
+  const struct tailcall_cache *cache = (const struct tailcall_cache *) arg;
 
   return htab_hash_pointer (cache->next_bottom_frame);
 }
@@ -78,8 +78,8 @@ cache_hash (const void *arg)
 static int
 cache_eq (const void *arg1, const void *arg2)
 {
-  const struct tailcall_cache *cache1 = arg1;
-  const struct tailcall_cache *cache2 = arg2;
+  const struct tailcall_cache *cache1 = (const struct tailcall_cache *) arg1;
+  const struct tailcall_cache *cache2 = (const struct tailcall_cache *) arg2;
 
   return cache1->next_bottom_frame == cache2->next_bottom_frame;
 }
@@ -160,7 +160,7 @@ cache_find (struct frame_info *fi)
   if (slot == NULL)
     return NULL;
 
-  cache = *slot;
+  cache = (struct tailcall_cache *) *slot;
   gdb_assert (cache != NULL);
   return cache;
 }
@@ -209,7 +209,7 @@ static void
 tailcall_frame_this_id (struct frame_info *this_frame, void **this_cache,
                        struct frame_id *this_id)
 {
-  struct tailcall_cache *cache = *this_cache;
+  struct tailcall_cache *cache = (struct tailcall_cache *) *this_cache;
   struct frame_info *next_frame;
 
   /* Tail call does not make sense for a sentinel frame.  */
@@ -264,7 +264,7 @@ dwarf2_tailcall_prev_register_first (struct frame_info *this_frame,
                                     void **tailcall_cachep, int regnum)
 {
   struct gdbarch *this_gdbarch = get_frame_arch (this_frame);
-  struct tailcall_cache *cache = *tailcall_cachep;
+  struct tailcall_cache *cache = (struct tailcall_cache *) *tailcall_cachep;
   CORE_ADDR addr;
 
   if (regnum == gdbarch_pc_regnum (this_gdbarch))
@@ -293,7 +293,7 @@ static struct value *
 tailcall_frame_prev_register (struct frame_info *this_frame,
                               void **this_cache, int regnum)
 {
-  struct tailcall_cache *cache = *this_cache;
+  struct tailcall_cache *cache = (struct tailcall_cache *) *this_cache;
   struct value *val;
 
   gdb_assert (this_frame != cache->next_bottom_frame);
@@ -386,13 +386,15 @@ dwarf2_tailcall_sniffer_first (struct frame_info *this_frame,
       /* call_site_find_chain can throw an exception.  */
       chain = call_site_find_chain (prev_gdbarch, prev_pc, this_pc);
 
-      if (entry_cfa_sp_offsetp == NULL)
-       break;
-      sp_regnum = gdbarch_sp_regnum (prev_gdbarch);
-      if (sp_regnum == -1)
-       break;
-      prev_sp = frame_unwind_register_unsigned (this_frame, sp_regnum);
-      prev_sp_p = 1;
+      if (entry_cfa_sp_offsetp != NULL)
+       {
+         sp_regnum = gdbarch_sp_regnum (prev_gdbarch);
+         if (sp_regnum != -1)
+           {
+             prev_sp = frame_unwind_register_unsigned (this_frame, sp_regnum);
+             prev_sp_p = 1;
+           }
+       }
     }
   CATCH (except, RETURN_MASK_ERROR)
     {
@@ -430,7 +432,7 @@ dwarf2_tailcall_sniffer_first (struct frame_info *this_frame,
 static void
 tailcall_frame_dealloc_cache (struct frame_info *self, void *this_cache)
 {
-  struct tailcall_cache *cache = this_cache;
+  struct tailcall_cache *cache = (struct tailcall_cache *) this_cache;
 
   cache_unref (cache);
 }
@@ -442,7 +444,7 @@ static struct gdbarch *
 tailcall_frame_prev_arch (struct frame_info *this_frame,
                          void **this_prologue_cache)
 {
-  struct tailcall_cache *cache = *this_prologue_cache;
+  struct tailcall_cache *cache = (struct tailcall_cache *) *this_prologue_cache;
 
   return get_frame_arch (cache->next_bottom_frame);
 }