* frame.c (find_saved_register): Delete #ifdef

HAVE_REGISTER_WINDOWS code.
* config/sparc/tm-sparc.h: Update comments.
* config/i960/tm-i960.h (HAVE_REGISTER_WINDOWS): Delete macro.
* gdbint.texinfo (Target Architecture Definition): Delete
definition of HAVE_REGISTER_WINDOWS.

gdb/ChangeLog

@@ -1,3 +1,10 @@
+2002-04-21  Andrew Cagney  <ac131313@redhat.com>
+
+	* frame.c (find_saved_register): Delete #ifdef
+	HAVE_REGISTER_WINDOWS code.
+	* config/sparc/tm-sparc.h: Update comments.
+	* config/i960/tm-i960.h (HAVE_REGISTER_WINDOWS): Delete macro.
+
 2002-04-21  Andrew Cagney  <ac131313@redhat.com>
 
 	* i960-tdep.c (i960_find_saved_register): New function.

gdb/config/i960/tm-i960.h

@@ -116,8 +116,6 @@ extern CORE_ADDR saved_pc_after_call ();
 
 /* The i960 has register windows, sort of.  */
 
-#define HAVE_REGISTER_WINDOWS
-
 extern void i960_get_saved_register (char *raw_buffer,
 				     int *optimized,
 				     CORE_ADDR *addrp,

gdb/config/sparc/tm-sparc.h

@@ -468,9 +468,8 @@ extern CORE_ADDR sparc_skip_prologue (CORE_ADDR, int);
   /* time of the register saves.  */ \
   int sp_offset;
 
-/* We need to override GET_SAVED_REGISTER so that we can deal with the way
+/* We need to override GET_SAVED_REGISTER so that we can deal with the
-   outs change into ins in different frames.  HAVE_REGISTER_WINDOWS can't
+   way outs change into ins in different frames.  */
-   deal with this case and also handle flat frames at the same time.  */
 
 void sparc_get_saved_register (char *raw_buffer,
 			       int *optimized,

gdb/doc/ChangeLog

@@ -1,3 +1,8 @@
+2002-04-21  Andrew Cagney  <ac131313@redhat.com>
+
+	* gdbint.texinfo (Target Architecture Definition): Delete
+	definition of HAVE_REGISTER_WINDOWS.
+
 2002-04-19  Eli Zaretskii  <eliz@is.elta.co.il>
 
 	* gdbint.texinfo (Releasing GDB, Coding): Fix typos.  Reported by

gdb/doc/gdbint.texinfo

@@ -3044,10 +3044,6 @@ pointer.  It examines the current state of the machine as needed.
 Define this if you need to supply your own definition for the function
 @code{get_saved_register}.
 
-@item HAVE_REGISTER_WINDOWS
-@findex HAVE_REGISTER_WINDOWS
-Define this if the target has register windows.
-
 @item REGISTER_IN_WINDOW_P (@var{regnum})
 @findex REGISTER_IN_WINDOW_P
 Define this to be an expression that is 1 if the given register is in

gdb/frame.c

@@ -43,39 +43,6 @@ find_saved_register (struct frame_info *frame, int regnum)
   if (frame == NULL)		/* No regs saved if want current frame */
     return 0;
 
-#ifdef HAVE_REGISTER_WINDOWS
-  /* We assume that a register in a register window will only be saved
-     in one place (since the name changes and/or disappears as you go
-     towards inner frames), so we only call get_frame_saved_regs on
-     the current frame.  This is directly in contradiction to the
-     usage below, which assumes that registers used in a frame must be
-     saved in a lower (more interior) frame.  This change is a result
-     of working on a register window machine; get_frame_saved_regs
-     always returns the registers saved within a frame, within the
-     context (register namespace) of that frame. */
-
-  /* However, note that we don't want this to return anything if
-     nothing is saved (if there's a frame inside of this one).  Also,
-     callers to this routine asking for the stack pointer want the
-     stack pointer saved for *this* frame; this is returned from the
-     next frame.  */
-
-  if (REGISTER_IN_WINDOW_P (regnum))
-    {
-      frame1 = get_next_frame (frame);
-      if (!frame1)
-	return 0;		/* Registers of this frame are active.  */
-
-      /* Get the SP from the next frame in; it will be this
-         current frame.  */
-      if (regnum != SP_REGNUM)
-	frame1 = frame;
-
-      FRAME_INIT_SAVED_REGS (frame1);
-      return frame1->saved_regs[regnum];	/* ... which might be zero */
-    }
-#endif /* HAVE_REGISTER_WINDOWS */
-
   /* Note that this next routine assumes that registers used in
      frame x will be saved only in the frame that x calls and
      frames interior to it.  This is not true on the sparc, but the