* infrun.c (handle_step_into_function): New function.

        (handle_inferior_event): Extract out some code into the new
        function above.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index b5762c86de98a1d920492774352feadb5be00064..304ec369797fcc6c1709380878c53bf71f6a4960 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2004-01-03  J. Brobecker  <brobecker@gnat.com>
+
+       * infrun.c (handle_step_into_function): New function.
+       (handle_inferior_event): Extract out some code into the new
+       function above.
+
 2004-01-02  Mark Kettenis  <kettenis@gnu.org>
 
        * Makefile.in (ALLDEPFILES): Remove sparc-linux-nat.c and

diff --git a/gdb/infrun.c b/gdb/infrun.c
index b16cc62091f5574d70ec1994b03770d1a0e34fef..7283aa7ab82e73762def2a572388ebbe3bb9267d 100644 (file)
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -987,6 +987,8 @@ struct execution_control_state
 
 void init_execution_control_state (struct execution_control_state *ecs);
 
+static void handle_step_into_function (struct execution_control_state *ecs,
+                                       CORE_ADDR real_stop_pc);
 void handle_inferior_event (struct execution_control_state *ecs);
 
 static void check_sigtramp2 (struct execution_control_state *ecs);
@@ -1236,6 +1238,94 @@ pc_in_sigtramp (CORE_ADDR pc)
   return PC_IN_SIGTRAMP (pc, name);
 }
 
+/* Handle the inferior event in the cases when we just stepped
+   into a function.  */
+
+static void
+handle_step_into_function (struct execution_control_state *ecs,
+                           CORE_ADDR real_stop_pc)
+{
+  if ((step_over_calls == STEP_OVER_NONE)
+      || ((step_range_end == 1)
+          && in_prologue (prev_pc, ecs->stop_func_start)))
+    {
+      /* I presume that step_over_calls is only 0 when we're
+         supposed to be stepping at the assembly language level
+         ("stepi").  Just stop.  */
+      /* Also, maybe we just did a "nexti" inside a prolog,
+         so we thought it was a subroutine call but it was not.
+         Stop as well.  FENN */
+      stop_step = 1;
+      print_stop_reason (END_STEPPING_RANGE, 0);
+      stop_stepping (ecs);
+      return;
+    }
+
+  if (step_over_calls == STEP_OVER_ALL || IGNORE_HELPER_CALL (stop_pc))
+    {
+      /* We're doing a "next".  */
+
+      if (pc_in_sigtramp (stop_pc)
+          && frame_id_inner (step_frame_id,
+                             frame_id_build (read_sp (), 0)))
+        /* We stepped out of a signal handler, and into its
+           calling trampoline.  This is misdetected as a
+           subroutine call, but stepping over the signal
+           trampoline isn't such a bad idea.  In order to do that,
+           we have to ignore the value in step_frame_id, since
+           that doesn't represent the frame that'll reach when we
+           return from the signal trampoline.  Otherwise we'll
+           probably continue to the end of the program.  */
+        step_frame_id = null_frame_id;
+
+      step_over_function (ecs);
+      keep_going (ecs);
+      return;
+    }
+
+  /* If we are in a function call trampoline (a stub between
+     the calling routine and the real function), locate the real
+     function.  That's what tells us (a) whether we want to step
+     into it at all, and (b) what prologue we want to run to
+     the end of, if we do step into it.  */
+  real_stop_pc = skip_language_trampoline (stop_pc);
+  if (real_stop_pc == 0)
+    real_stop_pc = SKIP_TRAMPOLINE_CODE (stop_pc);
+  if (real_stop_pc != 0)
+    ecs->stop_func_start = real_stop_pc;
+
+  /* If we have line number information for the function we
+     are thinking of stepping into, step into it.
+
+     If there are several symtabs at that PC (e.g. with include
+     files), just want to know whether *any* of them have line
+     numbers.  find_pc_line handles this.  */
+  {
+    struct symtab_and_line tmp_sal;
+
+    tmp_sal = find_pc_line (ecs->stop_func_start, 0);
+    if (tmp_sal.line != 0)
+      {
+        step_into_function (ecs);
+        return;
+      }
+  }
+
+  /* If we have no line number and the step-stop-if-no-debug
+     is set, we stop the step so that the user has a chance to
+     switch in assembly mode.  */
+  if (step_over_calls == STEP_OVER_UNDEBUGGABLE && step_stop_if_no_debug)
+    {
+      stop_step = 1;
+      print_stop_reason (END_STEPPING_RANGE, 0);
+      stop_stepping (ecs);
+      return;
+    }
+
+  step_over_function (ecs);
+  keep_going (ecs);
+  return;
+}
 
 /* Given an execution control state that has been freshly filled in
    by an event from the inferior, figure out what it means and take
@@ -2479,88 +2569,8 @@ process_event_stop_test:
       || ecs->stop_func_name == 0)
     {
       /* It's a subroutine call.  */
-
-      if ((step_over_calls == STEP_OVER_NONE)
-         || ((step_range_end == 1)
-             && in_prologue (prev_pc, ecs->stop_func_start)))
-       {
-         /* I presume that step_over_calls is only 0 when we're
-            supposed to be stepping at the assembly language level
-            ("stepi").  Just stop.  */
-         /* Also, maybe we just did a "nexti" inside a prolog,
-            so we thought it was a subroutine call but it was not.
-            Stop as well.  FENN */
-         stop_step = 1;
-         print_stop_reason (END_STEPPING_RANGE, 0);
-         stop_stepping (ecs);
-         return;
-       }
-
-      if (step_over_calls == STEP_OVER_ALL || IGNORE_HELPER_CALL (stop_pc))
-       {
-         /* We're doing a "next".  */
-
-         if (pc_in_sigtramp (stop_pc)
-             && frame_id_inner (step_frame_id,
-                                frame_id_build (read_sp (), 0)))
-           /* We stepped out of a signal handler, and into its
-              calling trampoline.  This is misdetected as a
-              subroutine call, but stepping over the signal
-              trampoline isn't such a bad idea.  In order to do that,
-              we have to ignore the value in step_frame_id, since
-              that doesn't represent the frame that'll reach when we
-              return from the signal trampoline.  Otherwise we'll
-              probably continue to the end of the program.  */
-           step_frame_id = null_frame_id;
-
-         step_over_function (ecs);
-         keep_going (ecs);
-         return;
-       }
-
-      /* If we are in a function call trampoline (a stub between
-         the calling routine and the real function), locate the real
-         function.  That's what tells us (a) whether we want to step
-         into it at all, and (b) what prologue we want to run to
-         the end of, if we do step into it.  */
-      real_stop_pc = skip_language_trampoline (stop_pc);
-      if (real_stop_pc == 0)
-       real_stop_pc = SKIP_TRAMPOLINE_CODE (stop_pc);
-      if (real_stop_pc != 0)
-       ecs->stop_func_start = real_stop_pc;
-
-      /* If we have line number information for the function we
-         are thinking of stepping into, step into it.
-
-         If there are several symtabs at that PC (e.g. with include
-         files), just want to know whether *any* of them have line
-         numbers.  find_pc_line handles this.  */
-      {
-       struct symtab_and_line tmp_sal;
-
-       tmp_sal = find_pc_line (ecs->stop_func_start, 0);
-       if (tmp_sal.line != 0)
-         {
-           step_into_function (ecs);
-           return;
-         }
-      }
-
-      /* If we have no line number and the step-stop-if-no-debug
-         is set, we stop the step so that the user has a chance to
-         switch in assembly mode.  */
-      if (step_over_calls == STEP_OVER_UNDEBUGGABLE && step_stop_if_no_debug)
-       {
-         stop_step = 1;
-         print_stop_reason (END_STEPPING_RANGE, 0);
-         stop_stepping (ecs);
-         return;
-       }
-
-      step_over_function (ecs);
-      keep_going (ecs);
+      handle_step_into_function (ecs, real_stop_pc);
       return;
-
     }
 
   /* We've wandered out of the step range.  */