2004-05-12 Andrew Cagney <cagney@redhat.com>

	* thread.c (load_infrun_state): Delete step_sp.
	* infrun.c (context_switch): Ditto.
	* inferior.h (step_sp): Ditto.
	* infcmd.c (step_sp, step_1, step_once, until_next_command): Ditto.
	* gdbthread.h (struct thread_info, save_infrun_state)
	(restore_infrun_state): Ditto.

6 files changed, 15 insertions, 23 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 1d23f50..1e84d8d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,12 @@
+2004-05-12  Andrew Cagney  <cagney@redhat.com>
+
+	* thread.c (load_infrun_state): Delete step_sp.
+	* infrun.c (context_switch): Ditto.
+	* inferior.h (step_sp): Ditto.
+	* infcmd.c (step_sp, step_1, step_once, until_next_command): Ditto.
+	* gdbthread.h (struct thread_info, save_infrun_state)
+	(restore_infrun_state): Ditto.
+
 2004-05-12  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	* MAINTAINERS (write after approval): Add myself.
diff --git a/gdb/gdbthread.h b/gdb/gdbthread.h
index d93dbef..0f8deeb 100644
--- a/gdb/gdbthread.h
+++ b/gdb/gdbthread.h
@@ -48,7 +48,6 @@ struct thread_info
   CORE_ADDR step_range_start;
   CORE_ADDR step_range_end;
   struct frame_id step_frame_id;
-  CORE_ADDR step_sp;
   int current_line;
   struct symtab *current_symtab;
   int trap_expected;
@@ -126,8 +125,7 @@ extern void save_infrun_state (ptid_t ptid,
 			       bpstat    stepping_through_solib_catchpoints,
 			       int       stepping_through_sigtramp,
 			       int       current_line,
-			       struct symtab *current_symtab,
-			       CORE_ADDR step_sp);
+			       struct symtab *current_symtab);
 
 /* infrun context switch: load the debugger state previously saved
    for the given thread.  */
@@ -144,8 +142,7 @@ extern void load_infrun_state (ptid_t ptid,
 			       bpstat    *stepping_through_solib_catchpoints,
 			       int       *stepping_through_sigtramp,
 			       int       *current_line,
-			       struct symtab **current_symtab,
-			       CORE_ADDR *step_sp);
+			       struct symtab **current_symtab);
 
 /* Commands with a prefix of `thread'.  */
 extern struct cmd_list_element *thread_cmd_list;
diff --git a/gdb/infcmd.c b/gdb/infcmd.c
index 0b91266..a1a8ac3 100644
--- a/gdb/infcmd.c
+++ b/gdb/infcmd.c
@@ -186,11 +186,6 @@ CORE_ADDR step_range_end;	/* Exclusive */
 
 struct frame_id step_frame_id;
 
-/* Our notion of the current stack pointer.  */
-/* NOTE: cagney/2004-05-09: This variable is not used and should be
-   garbage collected.  */
-CORE_ADDR step_sp;
-
 enum step_over_calls_kind step_over_calls;
 
 /* If stepping, nonzero means step count is > 1
@@ -625,7 +620,6 @@ step_1 (int skip_subroutines, int single_inst, char *count_string)
 	  if (!frame)		/* Avoid coredump here.  Why tho? */
 	    error ("No current frame");
 	  step_frame_id = get_frame_id (frame);
-	  step_sp = read_sp ();
 
 	  if (!single_inst)
 	    {
@@ -725,7 +719,6 @@ step_once (int skip_subroutines, int single_inst, int count)
       if (!frame)		/* Avoid coredump here.  Why tho? */
 	error ("No current frame");
       step_frame_id = get_frame_id (frame);
-      step_sp = read_sp ();
 
       if (!single_inst)
 	{
@@ -978,7 +971,6 @@ until_next_command (int from_tty)
 
   step_over_calls = STEP_OVER_ALL;
   step_frame_id = get_frame_id (frame);
-  step_sp = read_sp ();
 
   step_multi = 0;		/* Only one call to proceed */
 
diff --git a/gdb/inferior.h b/gdb/inferior.h
index 951893f..76ec0b0 100644
--- a/gdb/inferior.h
+++ b/gdb/inferior.h
@@ -364,10 +364,6 @@ extern CORE_ADDR step_range_end;	/* Exclusive */
 
 extern struct frame_id step_frame_id;
 
-/* Our notion of the current stack pointer.  */
-
-extern CORE_ADDR step_sp;
-
 /* 1 means step over all subroutine calls.
    -1 means step over calls to undebuggable functions.  */
 
diff --git a/gdb/infrun.c b/gdb/infrun.c
index 970e6c5..96f38a5 100644
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -1159,7 +1159,7 @@ context_switch (struct execution_control_state *ecs)
 			 ecs->stepping_through_solib_after_catch,
 			 ecs->stepping_through_solib_catchpoints,
 			 ecs->stepping_through_sigtramp,
-			 ecs->current_line, ecs->current_symtab, step_sp);
+			 ecs->current_line, ecs->current_symtab);
 
       /* Load infrun state for the new thread.  */
       load_infrun_state (ecs->ptid, &prev_pc,
@@ -1170,7 +1170,7 @@ context_switch (struct execution_control_state *ecs)
 			 &ecs->stepping_through_solib_after_catch,
 			 &ecs->stepping_through_solib_catchpoints,
 			 &ecs->stepping_through_sigtramp,
-			 &ecs->current_line, &ecs->current_symtab, &step_sp);
+			 &ecs->current_line, &ecs->current_symtab);
     }
   inferior_ptid = ecs->ptid;
 }
diff --git a/gdb/thread.c b/gdb/thread.c
index bb7c63f..7a5927d 100644
--- a/gdb/thread.c
+++ b/gdb/thread.c
@@ -303,7 +303,7 @@ load_infrun_state (ptid_t ptid,
 		   bpstat *stepping_through_solib_catchpoints,
 		   int *stepping_through_sigtramp,
 		   int *current_line,
-		   struct symtab **current_symtab, CORE_ADDR *step_sp)
+		   struct symtab **current_symtab)
 {
   struct thread_info *tp;
 
@@ -328,7 +328,6 @@ load_infrun_state (ptid_t ptid,
   *stepping_through_sigtramp = tp->stepping_through_sigtramp;
   *current_line = tp->current_line;
   *current_symtab = tp->current_symtab;
-  *step_sp = tp->step_sp;
 }
 
 /* Save infrun state for the thread PID.  */
@@ -347,7 +346,7 @@ save_infrun_state (ptid_t ptid,
 		   bpstat stepping_through_solib_catchpoints,
 		   int stepping_through_sigtramp,
 		   int current_line,
-		   struct symtab *current_symtab, CORE_ADDR step_sp)
+		   struct symtab *current_symtab)
 {
   struct thread_info *tp;
 
@@ -370,7 +369,6 @@ save_infrun_state (ptid_t ptid,
   tp->stepping_through_sigtramp = stepping_through_sigtramp;
   tp->current_line = current_line;
   tp->current_symtab = current_symtab;
-  tp->step_sp = step_sp;
 }
 
 /* Return true if TP is an active thread. */