2003-02-04 Andrew Cagney <ac131313@redhat.com>

	* NEWS: Mention that the z8k-zilog-none is obsolete.
	* MAINTAINERS: Mark z8k as obsolete.
	* configure.tgt: Obsolete the z8k-*-coff* target.
	* config/z8k/z8k.mt: Obsolete file.
	* config/z8k/tm-z8k.h: Obsolete file.
	* z8k-tdep.c: Obsolete file.

1 files changed, 535 insertions, 535 deletions

diff --git a/gdb/z8k-tdep.c b/gdb/z8k-tdep.c
index 5b30940..d6d42e3 100644
--- a/gdb/z8k-tdep.c
+++ b/gdb/z8k-tdep.c
@@ -1,535 +1,535 @@
-/* Target-machine dependent code for Zilog Z8000, for GDB.
-
-   Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-   2002, 2003 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-/*
-   Contributed by Steve Chamberlain
-   sac@cygnus.com
- */
-
-#include "defs.h"
-#include "frame.h"
-#include "symtab.h"
-#include "gdbcmd.h"
-#include "gdbtypes.h"
-#include "dis-asm.h"
-#include "gdbcore.h"
-#include "regcache.h"
-
-#include "value.h" /* For read_register() */
-
-
-static int read_memory_pointer (CORE_ADDR x);
-
-/* Return the saved PC from this frame.
-
-   If the frame has a memory copy of SRP_REGNUM, use that.  If not,
-   just use the register SRP_REGNUM itself.  */
-
-CORE_ADDR
-z8k_frame_saved_pc (struct frame_info *frame)
-{
-  return read_memory_pointer (frame->frame + (BIG ? 4 : 2));
-}
-
-#define IS_PUSHL(x) (BIG ? ((x & 0xfff0) == 0x91e0):((x & 0xfff0) == 0x91F0))
-#define IS_PUSHW(x) (BIG ? ((x & 0xfff0) == 0x93e0):((x & 0xfff0)==0x93f0))
-#define IS_MOVE_FP(x) (BIG ? x == 0xa1ea : x == 0xa1fa)
-#define IS_MOV_SP_FP(x) (BIG ? x == 0x94ea : x == 0x0d76)
-#define IS_SUB2_SP(x) (x==0x1b87)
-#define IS_MOVK_R5(x) (x==0x7905)
-#define IS_SUB_SP(x) ((x & 0xffff) == 0x020f)
-#define IS_PUSH_FP(x) (BIG ? (x == 0x93ea) : (x == 0x93fa))
-
-/* work out how much local space is on the stack and
-   return the pc pointing to the first push */
-
-static CORE_ADDR
-skip_adjust (CORE_ADDR pc, int *size)
-{
-  *size = 0;
-
-  if (IS_PUSH_FP (read_memory_short (pc))
-      && IS_MOV_SP_FP (read_memory_short (pc + 2)))
-    {
-      /* This is a function with an explict frame pointer */
-      pc += 4;
-      *size += 2;		/* remember the frame pointer */
-    }
-
-  /* remember any stack adjustment */
-  if (IS_SUB_SP (read_memory_short (pc)))
-    {
-      *size += read_memory_short (pc + 2);
-      pc += 4;
-    }
-  return pc;
-}
-
-static CORE_ADDR examine_frame (CORE_ADDR, CORE_ADDR * regs, CORE_ADDR);
-static CORE_ADDR
-examine_frame (CORE_ADDR pc, CORE_ADDR *regs, CORE_ADDR sp)
-{
-  int w = read_memory_short (pc);
-  int offset = 0;
-  int regno;
-
-  for (regno = 0; regno < NUM_REGS; regno++)
-    regs[regno] = 0;
-
-  while (IS_PUSHW (w) || IS_PUSHL (w))
-    {
-      /* work out which register is being pushed to where */
-      if (IS_PUSHL (w))
-	{
-	  regs[w & 0xf] = offset;
-	  regs[(w & 0xf) + 1] = offset + 2;
-	  offset += 4;
-	}
-      else
-	{
-	  regs[w & 0xf] = offset;
-	  offset += 2;
-	}
-      pc += 2;
-      w = read_memory_short (pc);
-    }
-
-  if (IS_MOVE_FP (w))
-    {
-      /* We know the fp */
-
-    }
-  else if (IS_SUB_SP (w))
-    {
-      /* Subtracting a value from the sp, so were in a function
-         which needs stack space for locals, but has no fp.  We fake up
-         the values as if we had an fp */
-      regs[FP_REGNUM] = sp;
-    }
-  else
-    {
-      /* This one didn't have an fp, we'll fake it up */
-      regs[SP_REGNUM] = sp;
-    }
-  /* stack pointer contains address of next frame */
-  /*  regs[fp_regnum()] = fp; */
-  regs[SP_REGNUM] = sp;
-  return pc;
-}
-
-CORE_ADDR
-z8k_skip_prologue (CORE_ADDR start_pc)
-{
-  CORE_ADDR dummy[NUM_REGS];
-
-  return examine_frame (start_pc, dummy, 0);
-}
-
-CORE_ADDR
-z8k_addr_bits_remove (CORE_ADDR addr)
-{
-  return (addr & PTR_MASK);
-}
-
-static int
-read_memory_pointer (CORE_ADDR x)
-{
-  return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2);
-}
-
-CORE_ADDR
-z8k_frame_chain (struct frame_info *thisframe)
-{
-  if (!inside_entry_file (get_frame_pc (thisframe)))
-    {
-      return read_memory_pointer (thisframe->frame);
-    }
-  return 0;
-}
-
-/* Put here the code to store, into a struct frame_saved_regs,
-   the addresses of the saved registers of frame described by FRAME_INFO.
-   This includes special registers such as pc and fp saved in special
-   ways in the stack frame.  sp is even more special:
-   the address we return for it IS the sp for the next frame.  */
-
-void
-z8k_frame_init_saved_regs (struct frame_info *frame_info)
-{
-  CORE_ADDR pc;
-  int w;
-
-  frame_saved_regs_zalloc (frame_info);
-  pc = get_pc_function_start (get_frame_pc (frame_info));
-
-  /* wander down the instruction stream */
-  examine_frame (pc, frame_info->saved_regs, frame_info->frame);
-
-}
-
-void
-z8k_push_dummy_frame (void)
-{
-  internal_error (__FILE__, __LINE__, "failed internal consistency check");
-}
-
-int
-gdb_print_insn_z8k (bfd_vma memaddr, disassemble_info *info)
-{
-  if (BIG)
-    return print_insn_z8001 (memaddr, info);
-  else
-    return print_insn_z8002 (memaddr, info);
-}
-
-/* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
-   is not the address of a valid instruction, the address of the next
-   instruction beyond ADDR otherwise.  *PWORD1 receives the first word
-   of the instruction. */
-
-CORE_ADDR
-NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, short *pword1)
-{
-  char buf[2];
-  if (addr < lim + 8)
-    {
-      read_memory (addr, buf, 2);
-      *pword1 = extract_signed_integer (buf, 2);
-
-      return addr + 2;
-    }
-  return 0;
-}
-
-#if 0
-/* Put here the code to store, into a struct frame_saved_regs,
-   the addresses of the saved registers of frame described by FRAME_INFO.
-   This includes special registers such as pc and fp saved in special
-   ways in the stack frame.  sp is even more special:
-   the address we return for it IS the sp for the next frame.
-
-   We cache the result of doing this in the frame_cache_obstack, since
-   it is fairly expensive.  */
-
-void
-frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp)
-{
-  int locals;
-  CORE_ADDR pc;
-  CORE_ADDR adr;
-  int i;
-
-  memset (fsrp, 0, sizeof *fsrp);
-
-  pc = skip_adjust (get_pc_function_start (get_frame_pc (fip)), &locals);
-
-  {
-    adr = get_frame_base (fip) - locals;
-    for (i = 0; i < 8; i++)
-      {
-	int word = read_memory_short (pc);
-
-	pc += 2;
-	if (IS_PUSHL (word))
-	  {
-	    fsrp->regs[word & 0xf] = adr;
-	    fsrp->regs[(word & 0xf) + 1] = adr - 2;
-	    adr -= 4;
-	  }
-	else if (IS_PUSHW (word))
-	  {
-	    fsrp->regs[word & 0xf] = adr;
-	    adr -= 2;
-	  }
-	else
-	  break;
-      }
-
-  }
-
-  fsrp->regs[PC_REGNUM] = fip->frame + 4;
-  fsrp->regs[FP_REGNUM] = fip->frame;
-
-}
-#endif
-
-int
-z8k_saved_pc_after_call (struct frame_info *frame)
-{
-  return ADDR_BITS_REMOVE
-    (read_memory_integer (read_register (SP_REGNUM), PTR_SIZE));
-}
-
-
-void
-extract_return_value (struct type *type, char *regbuf, char *valbuf)
-{
-  int b;
-  int len = TYPE_LENGTH (type);
-
-  for (b = 0; b < len; b += 2)
-    {
-      int todo = len - b;
-
-      if (todo > 2)
-	todo = 2;
-      memcpy (valbuf + b, regbuf + b, todo);
-    }
-}
-
-void
-write_return_value (struct type *type, char *valbuf)
-{
-  int reg;
-  int len;
-
-  for (len = 0; len < TYPE_LENGTH (type); len += 2)
-    deprecated_write_register_bytes (REGISTER_BYTE (len / 2 + 2),
-				     valbuf + len, 2);
-}
-
-void
-store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
-{
-  write_register (2, addr);
-}
-
-
-static void
-z8k_print_register_hook (int regno)
-{
-  if ((regno & 1) == 0 && regno < 16)
-    {
-      unsigned char l[4];
-
-      frame_register_read (deprecated_selected_frame, regno, l + 0);
-      frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
-      printf_unfiltered ("\t");
-      printf_unfiltered ("0x%02x%02x%02x%02x", l[0], l[1], l[2], l[3]);
-    }
-
-  if ((regno & 3) == 0 && regno < 16)
-    {
-      unsigned char l[8];
-
-      frame_register_read (deprecated_selected_frame, regno, l + 0);
-      frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
-      frame_register_read (deprecated_selected_frame, regno + 2, l + 4);
-      frame_register_read (deprecated_selected_frame, regno + 3, l + 6);
-
-      printf_unfiltered ("\t");
-      printf_unfiltered ("0x%02x%02x%02x%02x%02x%02x%02x%02x",
-                         l[0], l[1], l[2], l[3], l[4], l[5], l[6], l[7]);
-    }
-  if (regno == 15)
-    {
-      unsigned short rval;
-      int i;
-
-      frame_register_read (deprecated_selected_frame, regno, (char *) (&rval));
-
-      printf_unfiltered ("\n");
-      for (i = 0; i < 10; i += 2)
-	{
-	  printf_unfiltered ("(sp+%d=%04x)", i,
-			     (unsigned int)read_memory_short (rval + i));
-	}
-    }
-}
-
-static void
-z8k_print_registers_info (struct gdbarch *gdbarch,
-			  struct ui_file *file,
-			  struct frame_info *frame,
-			  int regnum, int print_all)
-{
-  int i;
-  const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
-  char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
-  char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
-
-  for (i = 0; i < numregs; i++)
-    {
-      /* Decide between printing all regs, non-float / vector regs, or
-         specific reg.  */
-      if (regnum == -1)
-	{
-	  if (!print_all)
-	    {
-	      if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
-		continue;
-	      if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
-		continue;
-	    }
-	}
-      else
-	{
-	  if (i != regnum)
-	    continue;
-	}
-
-      /* If the register name is empty, it is undefined for this
-         processor, so don't display anything.  */
-      if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
-	continue;
-
-      fputs_filtered (REGISTER_NAME (i), file);
-      print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
-
-      /* Get the data in raw format.  */
-      if (! frame_register_read (frame, i, raw_buffer))
-	{
-	  fprintf_filtered (file, "*value not available*\n");
-	  continue;
-	}
-
-      /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
-         The function frame_register_read() should have returned the
-         pre-cooked register so no conversion is necessary.  */
-      /* Convert raw data to virtual format if necessary.  */
-      if (REGISTER_CONVERTIBLE (i))
-	{
-	  REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
-				       raw_buffer, virtual_buffer);
-	}
-      else
-	{
-	  memcpy (virtual_buffer, raw_buffer,
-		  REGISTER_VIRTUAL_SIZE (i));
-	}
-
-      /* If virtual format is floating, print it that way, and in raw
-         hex.  */
-      if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
-	{
-	  int j;
-
-	  val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
-		     file, 0, 1, 0, Val_pretty_default);
-
-	  fprintf_filtered (file, "\t(raw 0x");
-	  for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
-	    {
-	      int idx;
-	      if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
-		idx = j;
-	      else
-		idx = REGISTER_RAW_SIZE (i) - 1 - j;
-	      fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
-	    }
-	  fprintf_filtered (file, ")");
-	}
-      else
-	{
-	  /* Print the register in hex.  */
-	  val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
-		     file, 'x', 1, 0, Val_pretty_default);
-          /* If not a vector register, print it also according to its
-             natural format.  */
-	  if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
-	    {
-	      fprintf_filtered (file, "\t");
-	      val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
-			 file, 0, 1, 0, Val_pretty_default);
-	    }
-	}
-
-      /* Some z8k specific info.  */
-      z8k_print_register_hook (i);
-
-      fprintf_filtered (file, "\n");
-    }
-}
-
-void
-z8k_do_registers_info (int regnum, int all)
-{
-  z8k_print_registers_info (current_gdbarch, gdb_stdout,
-			    deprecated_selected_frame, regnum, all);
-}
-
-void
-z8k_pop_frame (void)
-{
-}
-
-struct cmd_list_element *setmemorylist;
-
-void
-z8k_set_pointer_size (int newsize)
-{
-  static int oldsize = 0;
-
-  if (oldsize != newsize)
-    {
-      printf_unfiltered ("pointer size set to %d bits\n", newsize);
-      oldsize = newsize;
-      if (newsize == 32)
-	{
-	  BIG = 1;
-	}
-      else
-	{
-	  BIG = 0;
-	}
-      /* FIXME: This code should be using the GDBARCH framework to
-         handle changed type sizes.  If this problem is ever fixed
-         (the direct reference to _initialize_gdbtypes() below
-         eliminated) then Makefile.in should be updated so that
-         z8k-tdep.c is again compiled with -Werror. */
-      _initialize_gdbtypes ();
-    }
-}
-
-static void
-segmented_command (char *args, int from_tty)
-{
-  z8k_set_pointer_size (32);
-}
-
-static void
-unsegmented_command (char *args, int from_tty)
-{
-  z8k_set_pointer_size (16);
-}
-
-static void
-set_memory (char *args, int from_tty)
-{
-  printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
-  help_list (setmemorylist, "set memory ", -1, gdb_stdout);
-}
-
-void
-_initialize_z8ktdep (void)
-{
-  tm_print_insn = gdb_print_insn_z8k;
-
-  add_prefix_cmd ("memory", no_class, set_memory,
-		  "set the memory model", &setmemorylist, "set memory ", 0,
-		  &setlist);
-  add_cmd ("segmented", class_support, segmented_command,
-	   "Set segmented memory model.", &setmemorylist);
-  add_cmd ("unsegmented", class_support, unsegmented_command,
-	   "Set unsegmented memory model.", &setmemorylist);
-
-}
+// OBSOLETE /* Target-machine dependent code for Zilog Z8000, for GDB.
+// OBSOLETE 
+// OBSOLETE    Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+// OBSOLETE    2002, 2003 Free Software Foundation, Inc.
+// OBSOLETE 
+// OBSOLETE    This file is part of GDB.
+// OBSOLETE 
+// OBSOLETE    This program is free software; you can redistribute it and/or modify
+// OBSOLETE    it under the terms of the GNU General Public License as published by
+// OBSOLETE    the Free Software Foundation; either version 2 of the License, or
+// OBSOLETE    (at your option) any later version.
+// OBSOLETE 
+// OBSOLETE    This program is distributed in the hope that it will be useful,
+// OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
+// OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// OBSOLETE    GNU General Public License for more details.
+// OBSOLETE 
+// OBSOLETE    You should have received a copy of the GNU General Public License
+// OBSOLETE    along with this program; if not, write to the Free Software
+// OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
+// OBSOLETE    Boston, MA 02111-1307, USA.  */
+// OBSOLETE 
+// OBSOLETE /*
+// OBSOLETE    Contributed by Steve Chamberlain
+// OBSOLETE    sac@cygnus.com
+// OBSOLETE  */
+// OBSOLETE 
+// OBSOLETE #include "defs.h"
+// OBSOLETE #include "frame.h"
+// OBSOLETE #include "symtab.h"
+// OBSOLETE #include "gdbcmd.h"
+// OBSOLETE #include "gdbtypes.h"
+// OBSOLETE #include "dis-asm.h"
+// OBSOLETE #include "gdbcore.h"
+// OBSOLETE #include "regcache.h"
+// OBSOLETE 
+// OBSOLETE #include "value.h" /* For read_register() */
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE static int read_memory_pointer (CORE_ADDR x);
+// OBSOLETE 
+// OBSOLETE /* Return the saved PC from this frame.
+// OBSOLETE 
+// OBSOLETE    If the frame has a memory copy of SRP_REGNUM, use that.  If not,
+// OBSOLETE    just use the register SRP_REGNUM itself.  */
+// OBSOLETE 
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_frame_saved_pc (struct frame_info *frame)
+// OBSOLETE {
+// OBSOLETE   return read_memory_pointer (frame->frame + (BIG ? 4 : 2));
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #define IS_PUSHL(x) (BIG ? ((x & 0xfff0) == 0x91e0):((x & 0xfff0) == 0x91F0))
+// OBSOLETE #define IS_PUSHW(x) (BIG ? ((x & 0xfff0) == 0x93e0):((x & 0xfff0)==0x93f0))
+// OBSOLETE #define IS_MOVE_FP(x) (BIG ? x == 0xa1ea : x == 0xa1fa)
+// OBSOLETE #define IS_MOV_SP_FP(x) (BIG ? x == 0x94ea : x == 0x0d76)
+// OBSOLETE #define IS_SUB2_SP(x) (x==0x1b87)
+// OBSOLETE #define IS_MOVK_R5(x) (x==0x7905)
+// OBSOLETE #define IS_SUB_SP(x) ((x & 0xffff) == 0x020f)
+// OBSOLETE #define IS_PUSH_FP(x) (BIG ? (x == 0x93ea) : (x == 0x93fa))
+// OBSOLETE 
+// OBSOLETE /* work out how much local space is on the stack and
+// OBSOLETE    return the pc pointing to the first push */
+// OBSOLETE 
+// OBSOLETE static CORE_ADDR
+// OBSOLETE skip_adjust (CORE_ADDR pc, int *size)
+// OBSOLETE {
+// OBSOLETE   *size = 0;
+// OBSOLETE 
+// OBSOLETE   if (IS_PUSH_FP (read_memory_short (pc))
+// OBSOLETE       && IS_MOV_SP_FP (read_memory_short (pc + 2)))
+// OBSOLETE     {
+// OBSOLETE       /* This is a function with an explict frame pointer */
+// OBSOLETE       pc += 4;
+// OBSOLETE       *size += 2;		/* remember the frame pointer */
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   /* remember any stack adjustment */
+// OBSOLETE   if (IS_SUB_SP (read_memory_short (pc)))
+// OBSOLETE     {
+// OBSOLETE       *size += read_memory_short (pc + 2);
+// OBSOLETE       pc += 4;
+// OBSOLETE     }
+// OBSOLETE   return pc;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static CORE_ADDR examine_frame (CORE_ADDR, CORE_ADDR * regs, CORE_ADDR);
+// OBSOLETE static CORE_ADDR
+// OBSOLETE examine_frame (CORE_ADDR pc, CORE_ADDR *regs, CORE_ADDR sp)
+// OBSOLETE {
+// OBSOLETE   int w = read_memory_short (pc);
+// OBSOLETE   int offset = 0;
+// OBSOLETE   int regno;
+// OBSOLETE 
+// OBSOLETE   for (regno = 0; regno < NUM_REGS; regno++)
+// OBSOLETE     regs[regno] = 0;
+// OBSOLETE 
+// OBSOLETE   while (IS_PUSHW (w) || IS_PUSHL (w))
+// OBSOLETE     {
+// OBSOLETE       /* work out which register is being pushed to where */
+// OBSOLETE       if (IS_PUSHL (w))
+// OBSOLETE 	{
+// OBSOLETE 	  regs[w & 0xf] = offset;
+// OBSOLETE 	  regs[(w & 0xf) + 1] = offset + 2;
+// OBSOLETE 	  offset += 4;
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  regs[w & 0xf] = offset;
+// OBSOLETE 	  offset += 2;
+// OBSOLETE 	}
+// OBSOLETE       pc += 2;
+// OBSOLETE       w = read_memory_short (pc);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if (IS_MOVE_FP (w))
+// OBSOLETE     {
+// OBSOLETE       /* We know the fp */
+// OBSOLETE 
+// OBSOLETE     }
+// OBSOLETE   else if (IS_SUB_SP (w))
+// OBSOLETE     {
+// OBSOLETE       /* Subtracting a value from the sp, so were in a function
+// OBSOLETE          which needs stack space for locals, but has no fp.  We fake up
+// OBSOLETE          the values as if we had an fp */
+// OBSOLETE       regs[FP_REGNUM] = sp;
+// OBSOLETE     }
+// OBSOLETE   else
+// OBSOLETE     {
+// OBSOLETE       /* This one didn't have an fp, we'll fake it up */
+// OBSOLETE       regs[SP_REGNUM] = sp;
+// OBSOLETE     }
+// OBSOLETE   /* stack pointer contains address of next frame */
+// OBSOLETE   /*  regs[fp_regnum()] = fp; */
+// OBSOLETE   regs[SP_REGNUM] = sp;
+// OBSOLETE   return pc;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_skip_prologue (CORE_ADDR start_pc)
+// OBSOLETE {
+// OBSOLETE   CORE_ADDR dummy[NUM_REGS];
+// OBSOLETE 
+// OBSOLETE   return examine_frame (start_pc, dummy, 0);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_addr_bits_remove (CORE_ADDR addr)
+// OBSOLETE {
+// OBSOLETE   return (addr & PTR_MASK);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static int
+// OBSOLETE read_memory_pointer (CORE_ADDR x)
+// OBSOLETE {
+// OBSOLETE   return read_memory_integer (ADDR_BITS_REMOVE (x), BIG ? 4 : 2);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE CORE_ADDR
+// OBSOLETE z8k_frame_chain (struct frame_info *thisframe)
+// OBSOLETE {
+// OBSOLETE   if (!inside_entry_file (get_frame_pc (thisframe)))
+// OBSOLETE     {
+// OBSOLETE       return read_memory_pointer (thisframe->frame);
+// OBSOLETE     }
+// OBSOLETE   return 0;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Put here the code to store, into a struct frame_saved_regs,
+// OBSOLETE    the addresses of the saved registers of frame described by FRAME_INFO.
+// OBSOLETE    This includes special registers such as pc and fp saved in special
+// OBSOLETE    ways in the stack frame.  sp is even more special:
+// OBSOLETE    the address we return for it IS the sp for the next frame.  */
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE z8k_frame_init_saved_regs (struct frame_info *frame_info)
+// OBSOLETE {
+// OBSOLETE   CORE_ADDR pc;
+// OBSOLETE   int w;
+// OBSOLETE 
+// OBSOLETE   frame_saved_regs_zalloc (frame_info);
+// OBSOLETE   pc = get_pc_function_start (get_frame_pc (frame_info));
+// OBSOLETE 
+// OBSOLETE   /* wander down the instruction stream */
+// OBSOLETE   examine_frame (pc, frame_info->saved_regs, frame_info->frame);
+// OBSOLETE 
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE z8k_push_dummy_frame (void)
+// OBSOLETE {
+// OBSOLETE   internal_error (__FILE__, __LINE__, "failed internal consistency check");
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE int
+// OBSOLETE gdb_print_insn_z8k (bfd_vma memaddr, disassemble_info *info)
+// OBSOLETE {
+// OBSOLETE   if (BIG)
+// OBSOLETE     return print_insn_z8001 (memaddr, info);
+// OBSOLETE   else
+// OBSOLETE     return print_insn_z8002 (memaddr, info);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE /* Fetch the instruction at ADDR, returning 0 if ADDR is beyond LIM or
+// OBSOLETE    is not the address of a valid instruction, the address of the next
+// OBSOLETE    instruction beyond ADDR otherwise.  *PWORD1 receives the first word
+// OBSOLETE    of the instruction. */
+// OBSOLETE 
+// OBSOLETE CORE_ADDR
+// OBSOLETE NEXT_PROLOGUE_INSN (CORE_ADDR addr, CORE_ADDR lim, short *pword1)
+// OBSOLETE {
+// OBSOLETE   char buf[2];
+// OBSOLETE   if (addr < lim + 8)
+// OBSOLETE     {
+// OBSOLETE       read_memory (addr, buf, 2);
+// OBSOLETE       *pword1 = extract_signed_integer (buf, 2);
+// OBSOLETE 
+// OBSOLETE       return addr + 2;
+// OBSOLETE     }
+// OBSOLETE   return 0;
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE #if 0
+// OBSOLETE /* Put here the code to store, into a struct frame_saved_regs,
+// OBSOLETE    the addresses of the saved registers of frame described by FRAME_INFO.
+// OBSOLETE    This includes special registers such as pc and fp saved in special
+// OBSOLETE    ways in the stack frame.  sp is even more special:
+// OBSOLETE    the address we return for it IS the sp for the next frame.
+// OBSOLETE 
+// OBSOLETE    We cache the result of doing this in the frame_cache_obstack, since
+// OBSOLETE    it is fairly expensive.  */
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE frame_find_saved_regs (struct frame_info *fip, struct frame_saved_regs *fsrp)
+// OBSOLETE {
+// OBSOLETE   int locals;
+// OBSOLETE   CORE_ADDR pc;
+// OBSOLETE   CORE_ADDR adr;
+// OBSOLETE   int i;
+// OBSOLETE 
+// OBSOLETE   memset (fsrp, 0, sizeof *fsrp);
+// OBSOLETE 
+// OBSOLETE   pc = skip_adjust (get_pc_function_start (get_frame_pc (fip)), &locals);
+// OBSOLETE 
+// OBSOLETE   {
+// OBSOLETE     adr = get_frame_base (fip) - locals;
+// OBSOLETE     for (i = 0; i < 8; i++)
+// OBSOLETE       {
+// OBSOLETE 	int word = read_memory_short (pc);
+// OBSOLETE 
+// OBSOLETE 	pc += 2;
+// OBSOLETE 	if (IS_PUSHL (word))
+// OBSOLETE 	  {
+// OBSOLETE 	    fsrp->regs[word & 0xf] = adr;
+// OBSOLETE 	    fsrp->regs[(word & 0xf) + 1] = adr - 2;
+// OBSOLETE 	    adr -= 4;
+// OBSOLETE 	  }
+// OBSOLETE 	else if (IS_PUSHW (word))
+// OBSOLETE 	  {
+// OBSOLETE 	    fsrp->regs[word & 0xf] = adr;
+// OBSOLETE 	    adr -= 2;
+// OBSOLETE 	  }
+// OBSOLETE 	else
+// OBSOLETE 	  break;
+// OBSOLETE       }
+// OBSOLETE 
+// OBSOLETE   }
+// OBSOLETE 
+// OBSOLETE   fsrp->regs[PC_REGNUM] = fip->frame + 4;
+// OBSOLETE   fsrp->regs[FP_REGNUM] = fip->frame;
+// OBSOLETE 
+// OBSOLETE }
+// OBSOLETE #endif
+// OBSOLETE 
+// OBSOLETE int
+// OBSOLETE z8k_saved_pc_after_call (struct frame_info *frame)
+// OBSOLETE {
+// OBSOLETE   return ADDR_BITS_REMOVE
+// OBSOLETE     (read_memory_integer (read_register (SP_REGNUM), PTR_SIZE));
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE extract_return_value (struct type *type, char *regbuf, char *valbuf)
+// OBSOLETE {
+// OBSOLETE   int b;
+// OBSOLETE   int len = TYPE_LENGTH (type);
+// OBSOLETE 
+// OBSOLETE   for (b = 0; b < len; b += 2)
+// OBSOLETE     {
+// OBSOLETE       int todo = len - b;
+// OBSOLETE 
+// OBSOLETE       if (todo > 2)
+// OBSOLETE 	todo = 2;
+// OBSOLETE       memcpy (valbuf + b, regbuf + b, todo);
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE write_return_value (struct type *type, char *valbuf)
+// OBSOLETE {
+// OBSOLETE   int reg;
+// OBSOLETE   int len;
+// OBSOLETE 
+// OBSOLETE   for (len = 0; len < TYPE_LENGTH (type); len += 2)
+// OBSOLETE     deprecated_write_register_bytes (REGISTER_BYTE (len / 2 + 2),
+// OBSOLETE 				     valbuf + len, 2);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
+// OBSOLETE {
+// OBSOLETE   write_register (2, addr);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE z8k_print_register_hook (int regno)
+// OBSOLETE {
+// OBSOLETE   if ((regno & 1) == 0 && regno < 16)
+// OBSOLETE     {
+// OBSOLETE       unsigned char l[4];
+// OBSOLETE 
+// OBSOLETE       frame_register_read (deprecated_selected_frame, regno, l + 0);
+// OBSOLETE       frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
+// OBSOLETE       printf_unfiltered ("\t");
+// OBSOLETE       printf_unfiltered ("0x%02x%02x%02x%02x", l[0], l[1], l[2], l[3]);
+// OBSOLETE     }
+// OBSOLETE 
+// OBSOLETE   if ((regno & 3) == 0 && regno < 16)
+// OBSOLETE     {
+// OBSOLETE       unsigned char l[8];
+// OBSOLETE 
+// OBSOLETE       frame_register_read (deprecated_selected_frame, regno, l + 0);
+// OBSOLETE       frame_register_read (deprecated_selected_frame, regno + 1, l + 2);
+// OBSOLETE       frame_register_read (deprecated_selected_frame, regno + 2, l + 4);
+// OBSOLETE       frame_register_read (deprecated_selected_frame, regno + 3, l + 6);
+// OBSOLETE 
+// OBSOLETE       printf_unfiltered ("\t");
+// OBSOLETE       printf_unfiltered ("0x%02x%02x%02x%02x%02x%02x%02x%02x",
+// OBSOLETE                          l[0], l[1], l[2], l[3], l[4], l[5], l[6], l[7]);
+// OBSOLETE     }
+// OBSOLETE   if (regno == 15)
+// OBSOLETE     {
+// OBSOLETE       unsigned short rval;
+// OBSOLETE       int i;
+// OBSOLETE 
+// OBSOLETE       frame_register_read (deprecated_selected_frame, regno, (char *) (&rval));
+// OBSOLETE 
+// OBSOLETE       printf_unfiltered ("\n");
+// OBSOLETE       for (i = 0; i < 10; i += 2)
+// OBSOLETE 	{
+// OBSOLETE 	  printf_unfiltered ("(sp+%d=%04x)", i,
+// OBSOLETE 			     (unsigned int)read_memory_short (rval + i));
+// OBSOLETE 	}
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE z8k_print_registers_info (struct gdbarch *gdbarch,
+// OBSOLETE 			  struct ui_file *file,
+// OBSOLETE 			  struct frame_info *frame,
+// OBSOLETE 			  int regnum, int print_all)
+// OBSOLETE {
+// OBSOLETE   int i;
+// OBSOLETE   const int numregs = NUM_REGS + NUM_PSEUDO_REGS;
+// OBSOLETE   char *raw_buffer = alloca (MAX_REGISTER_RAW_SIZE);
+// OBSOLETE   char *virtual_buffer = alloca (MAX_REGISTER_VIRTUAL_SIZE);
+// OBSOLETE 
+// OBSOLETE   for (i = 0; i < numregs; i++)
+// OBSOLETE     {
+// OBSOLETE       /* Decide between printing all regs, non-float / vector regs, or
+// OBSOLETE          specific reg.  */
+// OBSOLETE       if (regnum == -1)
+// OBSOLETE 	{
+// OBSOLETE 	  if (!print_all)
+// OBSOLETE 	    {
+// OBSOLETE 	      if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+// OBSOLETE 		continue;
+// OBSOLETE 	      if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)))
+// OBSOLETE 		continue;
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  if (i != regnum)
+// OBSOLETE 	    continue;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* If the register name is empty, it is undefined for this
+// OBSOLETE          processor, so don't display anything.  */
+// OBSOLETE       if (REGISTER_NAME (i) == NULL || *(REGISTER_NAME (i)) == '\0')
+// OBSOLETE 	continue;
+// OBSOLETE 
+// OBSOLETE       fputs_filtered (REGISTER_NAME (i), file);
+// OBSOLETE       print_spaces_filtered (15 - strlen (REGISTER_NAME (i)), file);
+// OBSOLETE 
+// OBSOLETE       /* Get the data in raw format.  */
+// OBSOLETE       if (! frame_register_read (frame, i, raw_buffer))
+// OBSOLETE 	{
+// OBSOLETE 	  fprintf_filtered (file, "*value not available*\n");
+// OBSOLETE 	  continue;
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* FIXME: cagney/2002-08-03: This code shouldn't be necessary.
+// OBSOLETE          The function frame_register_read() should have returned the
+// OBSOLETE          pre-cooked register so no conversion is necessary.  */
+// OBSOLETE       /* Convert raw data to virtual format if necessary.  */
+// OBSOLETE       if (REGISTER_CONVERTIBLE (i))
+// OBSOLETE 	{
+// OBSOLETE 	  REGISTER_CONVERT_TO_VIRTUAL (i, REGISTER_VIRTUAL_TYPE (i),
+// OBSOLETE 				       raw_buffer, virtual_buffer);
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  memcpy (virtual_buffer, raw_buffer,
+// OBSOLETE 		  REGISTER_VIRTUAL_SIZE (i));
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* If virtual format is floating, print it that way, and in raw
+// OBSOLETE          hex.  */
+// OBSOLETE       if (TYPE_CODE (REGISTER_VIRTUAL_TYPE (i)) == TYPE_CODE_FLT)
+// OBSOLETE 	{
+// OBSOLETE 	  int j;
+// OBSOLETE 
+// OBSOLETE 	  val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+// OBSOLETE 		     file, 0, 1, 0, Val_pretty_default);
+// OBSOLETE 
+// OBSOLETE 	  fprintf_filtered (file, "\t(raw 0x");
+// OBSOLETE 	  for (j = 0; j < REGISTER_RAW_SIZE (i); j++)
+// OBSOLETE 	    {
+// OBSOLETE 	      int idx;
+// OBSOLETE 	      if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+// OBSOLETE 		idx = j;
+// OBSOLETE 	      else
+// OBSOLETE 		idx = REGISTER_RAW_SIZE (i) - 1 - j;
+// OBSOLETE 	      fprintf_filtered (file, "%02x", (unsigned char) raw_buffer[idx]);
+// OBSOLETE 	    }
+// OBSOLETE 	  fprintf_filtered (file, ")");
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  /* Print the register in hex.  */
+// OBSOLETE 	  val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+// OBSOLETE 		     file, 'x', 1, 0, Val_pretty_default);
+// OBSOLETE           /* If not a vector register, print it also according to its
+// OBSOLETE              natural format.  */
+// OBSOLETE 	  if (TYPE_VECTOR (REGISTER_VIRTUAL_TYPE (i)) == 0)
+// OBSOLETE 	    {
+// OBSOLETE 	      fprintf_filtered (file, "\t");
+// OBSOLETE 	      val_print (REGISTER_VIRTUAL_TYPE (i), virtual_buffer, 0, 0,
+// OBSOLETE 			 file, 0, 1, 0, Val_pretty_default);
+// OBSOLETE 	    }
+// OBSOLETE 	}
+// OBSOLETE 
+// OBSOLETE       /* Some z8k specific info.  */
+// OBSOLETE       z8k_print_register_hook (i);
+// OBSOLETE 
+// OBSOLETE       fprintf_filtered (file, "\n");
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE z8k_do_registers_info (int regnum, int all)
+// OBSOLETE {
+// OBSOLETE   z8k_print_registers_info (current_gdbarch, gdb_stdout,
+// OBSOLETE 			    deprecated_selected_frame, regnum, all);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE z8k_pop_frame (void)
+// OBSOLETE {
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE struct cmd_list_element *setmemorylist;
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE z8k_set_pointer_size (int newsize)
+// OBSOLETE {
+// OBSOLETE   static int oldsize = 0;
+// OBSOLETE 
+// OBSOLETE   if (oldsize != newsize)
+// OBSOLETE     {
+// OBSOLETE       printf_unfiltered ("pointer size set to %d bits\n", newsize);
+// OBSOLETE       oldsize = newsize;
+// OBSOLETE       if (newsize == 32)
+// OBSOLETE 	{
+// OBSOLETE 	  BIG = 1;
+// OBSOLETE 	}
+// OBSOLETE       else
+// OBSOLETE 	{
+// OBSOLETE 	  BIG = 0;
+// OBSOLETE 	}
+// OBSOLETE       /* FIXME: This code should be using the GDBARCH framework to
+// OBSOLETE          handle changed type sizes.  If this problem is ever fixed
+// OBSOLETE          (the direct reference to _initialize_gdbtypes() below
+// OBSOLETE          eliminated) then Makefile.in should be updated so that
+// OBSOLETE          z8k-tdep.c is again compiled with -Werror. */
+// OBSOLETE       _initialize_gdbtypes ();
+// OBSOLETE     }
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE segmented_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   z8k_set_pointer_size (32);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE unsegmented_command (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   z8k_set_pointer_size (16);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE static void
+// OBSOLETE set_memory (char *args, int from_tty)
+// OBSOLETE {
+// OBSOLETE   printf_unfiltered ("\"set memory\" must be followed by the name of a memory subcommand.\n");
+// OBSOLETE   help_list (setmemorylist, "set memory ", -1, gdb_stdout);
+// OBSOLETE }
+// OBSOLETE 
+// OBSOLETE void
+// OBSOLETE _initialize_z8ktdep (void)
+// OBSOLETE {
+// OBSOLETE   tm_print_insn = gdb_print_insn_z8k;
+// OBSOLETE 
+// OBSOLETE   add_prefix_cmd ("memory", no_class, set_memory,
+// OBSOLETE 		  "set the memory model", &setmemorylist, "set memory ", 0,
+// OBSOLETE 		  &setlist);
+// OBSOLETE   add_cmd ("segmented", class_support, segmented_command,
+// OBSOLETE 	   "Set segmented memory model.", &setmemorylist);
+// OBSOLETE   add_cmd ("unsegmented", class_support, unsegmented_command,
+// OBSOLETE 	   "Set unsegmented memory model.", &setmemorylist);
+// OBSOLETE 
+// OBSOLETE }