[commit] Eliminate Alpha's call_dummy_address

[Andrew Cagney <ac131313 at redhat dot com>]

I've committed the attached.

It eliminates the Alpha OSF1 custom call_dummy_address -> without it 
OSF1 5.1 still works.  The archives also strongly suggest it was 
originally added to implement the wrong solution to a remote inferior 
function call bug (the fix is no longer needed).

Andrew
Index: ChangeLog
2003-08-27  Andrew Cagney  <cagney@redhat.com>

	* alpha-osf1-tdep.c (alpha_call_dummy_address): Delete function.
	(alpha_osf1_init_abi): Do not set call_dummy_address.

Index: alpha-osf1-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/alpha-osf1-tdep.c,v
retrieving revision 1.15
diff -u -r1.15 alpha-osf1-tdep.c
--- alpha-osf1-tdep.c	4 Jun 2003 05:25:10 -0000	1.15
+++ alpha-osf1-tdep.c	27 Aug 2003 18:35:32 -0000
@@ -45,30 +45,6 @@
     return (read_memory_integer (get_frame_base (frame), 8));
 }
 
-/* This is the definition of CALL_DUMMY_ADDRESS.  It's a heuristic that is used
-   to find a convenient place in the text segment to stick a breakpoint to
-   detect the completion of a target function call (ala call_function_by_hand).
- */
-
-static CORE_ADDR
-alpha_call_dummy_address (void)
-{
-  CORE_ADDR entry;
-  struct minimal_symbol *sym;
-
-  entry = entry_point_address ();
-
-  if (entry != 0)
-    return entry;
-
-  sym = lookup_minimal_symbol ("_Prelude", NULL, symfile_objfile);
-
-  if (!sym || MSYMBOL_TYPE (sym) != mst_text)
-    return 0;
-  else
-    return SYMBOL_VALUE_ADDRESS (sym) + 4;
-}
-
 static void
 alpha_osf1_init_abi (struct gdbarch_info info,
                      struct gdbarch *gdbarch)
@@ -83,11 +59,6 @@
      on multi-processor machines. We need to use software single stepping
      instead.  */
   set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);
-
-  /* Alpha OSF/1 inhibits execution of code on the stack.  But there is
-     no need for a dummy on the Alpha.  PUSH_ARGUMENTS takes care of all
-     argument handling and bp_call_dummy takes care of stopping the dummy.  */
-  set_gdbarch_call_dummy_address (gdbarch, alpha_call_dummy_address);
 
   tdep->sigcontext_addr = alpha_osf1_sigcontext_addr;