gdb/v850: Use default gdbarch methods where possible

Make use of the default gdbarch methods for gdbarch_dummy_id,
gdbarch_unwind_pc, and gdbarch_unwind_sp where possible.

I have not tested this change but, by inspecting the code, I believe
the default methods are equivalent to the code being deleted.

gdb/ChangeLog:

	* v850-tdep.c (v850_unwind_sp): Delete.
	(v850_unwind_pc): Delete.
	(v850_dummy_id): Delete.
	(v850_gdbarch_init): Don't register deleted functions with
	gdbarch.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 491ab31..fc97308 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,13 @@
 2019-04-23  Andrew Burgess  <andrew.burgess@embecosm.com>
 
+       * v850-tdep.c (v850_unwind_sp): Delete.
+       (v850_unwind_pc): Delete.
+       (v850_dummy_id): Delete.
+       (v850_gdbarch_init): Don't register deleted functions with
+       gdbarch.
+
+2019-04-23  Andrew Burgess  <andrew.burgess@embecosm.com>
+
        * tilegx-tdep.c (tilegx_unwind_sp): Delete.
        (tilegx_unwind_pc): Delete.
        (tilegx_unwind_dummy_id): Delete.

diff --git a/gdb/v850-tdep.c b/gdb/v850-tdep.c
index 4f3cc5e..4be63b1 100644 (file)
--- a/gdb/v850-tdep.c
+++ b/gdb/v850-tdep.c
@@ -1327,28 +1327,6 @@ static const struct frame_unwind v850_frame_unwind = {
 };
 
 static CORE_ADDR
-v850_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
-  return frame_unwind_register_unsigned (next_frame,
-                                        gdbarch_sp_regnum (gdbarch));
-} 
-
-static CORE_ADDR
-v850_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
-{
-  return frame_unwind_register_unsigned (next_frame,
-                                        gdbarch_pc_regnum (gdbarch));
-}
-
-static struct frame_id
-v850_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
-  CORE_ADDR sp = get_frame_register_unsigned (this_frame,
-                                             gdbarch_sp_regnum (gdbarch));
-  return frame_id_build (sp, get_frame_pc (this_frame));
-}
-  
-static CORE_ADDR
 v850_frame_base_address (struct frame_info *this_frame, void **this_cache)
 {
   struct v850_frame_cache *cache = v850_frame_cache (this_frame, this_cache);
@@ -1464,9 +1442,6 @@ v850_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_skip_prologue (gdbarch, v850_skip_prologue);
 
   set_gdbarch_frame_align (gdbarch, v850_frame_align);
-  set_gdbarch_unwind_sp (gdbarch, v850_unwind_sp);
-  set_gdbarch_unwind_pc (gdbarch, v850_unwind_pc);
-  set_gdbarch_dummy_id (gdbarch, v850_dummy_id);
   frame_base_set_default (gdbarch, &v850_frame_base);
 
   /* Hook in ABI-specific overrides, if they have been registered.  */