Initial creation of sourceware repository

1 files changed, 0 insertions, 1500 deletions

diff --git a/gdb/remote-hms.c b/gdb/remote-hms.c
deleted file mode 100644
index 3ca8455..0000000
--- a/gdb/remote-hms.c
+++ /dev/null
@@ -1,1500 +0,0 @@
-/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
-   Copyright 1995 Free Software Foundation, Inc.
-   Contributed by Cygnus Support.  Written by Steve Chamberlain
-   (sac@cygnus.com).
-
-   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.  */
-
-#include "defs.h"
-#include "gdbcore.h"
-#include "target.h"
-#include "monitor.h"
-#include "serial.h"
-
-static void hms_open PARAMS ((char *args, int from_tty));
-static void
-hms_supply_register (regname, regnamelen, val, vallen)
-     char *regname;
-     int regnamelen;
-     char *val;
-     int vallen;
-{
-  int regno;
-
-  if (regnamelen != 2)
-    return;
-  if (regname[0] != 'P')
-    return;
-  /* We scan off all the registers in one go */
-
-  val = monitor_supply_register (PC_REGNUM, val);
-  /* Skip the ccr string */
-  while (*val != '=' && *val)
-    val++;
-
-  val = monitor_supply_register (CCR_REGNUM, val + 1);
-
-  /* Skip up to rest of regs */
-  while (*val != '=' && *val)
-    val++;
-
-  for (regno = 0; regno < 7; regno++)
-    {
-      val = monitor_supply_register (regno, val + 1);
-    }
-}
-
-/*
- * This array of registers needs to match the indexes used by GDB. The
- * whole reason this exists is because the various ROM monitors use
- * different names than GDB does, and don't support all the
- * registers either. So, typing "info reg sp" becomes a "r30".
- */
-
-static char *hms_regnames[NUM_REGS] =
-{
-  "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "PC"
-};
-
-/*
- * Define the monitor command strings. Since these are passed directly
- * through to a printf style function, we need can include formatting
- * strings. We also need a CR or LF on the end.
- */
-
-static struct target_ops hms_ops;
-
-static char *hms_inits[] =
-{"\003",			/* Resets the prompt, and clears repeated cmds */
- NULL};
-
-static struct monitor_ops hms_cmds ;
-
-static void 
-init_hms_cmds(void)
-{
-  hms_cmds.flags =   MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE;
-  hms_cmds.init =   hms_inits;		/* Init strings */
-  hms_cmds.cont =   "g\r";		/* continue command */
-  hms_cmds.step =   "s\r";		/* single step */
-  hms_cmds.stop =   "\003";		/* ^C interrupts the program */
-  hms_cmds.set_break =   "b %x\r";	/* set a breakpoint */
-  hms_cmds.clr_break =   "b - %x\r";	/* clear a breakpoint */
-  hms_cmds.clr_all_break =   "b -\r";	/* clear all breakpoints */
-  hms_cmds.fill =   "f %x %x %x\r";	/* fill (start end val) */
-  hms_cmds.setmem.cmdb =     "m.b %x=%x\r";	/* setmem.cmdb (addr, value) */
-  hms_cmds.setmem.cmdw =     "m.w %x=%x\r";	/* setmem.cmdw (addr, value) */
-  hms_cmds.setmem.cmdl =     NULL;	/* setmem.cmdl (addr, value) */
-  hms_cmds.setmem.cmdll =     NULL;	/* setmem.cmdll (addr, value) */
-  hms_cmds.setmem.resp_delim =     NULL;/* setreg.resp_delim */
-  hms_cmds.setmem.term =     NULL;	/* setreg.term */
-  hms_cmds.setmem.term_cmd =     NULL;	/* setreg.term_cmd */
-  hms_cmds.getmem.cmdb =     "m.b %x %x\r";	/* getmem.cmdb (addr, addr) */
-  hms_cmds.getmem.cmdw =     "m.w %x %x\r";	/* getmem.cmdw (addr, addr) */
-  hms_cmds.getmem.cmdl =     NULL;	/* getmem.cmdl (addr, addr) */
-  hms_cmds.getmem.cmdll =     NULL;	/* getmem.cmdll (addr, addr) */
-  hms_cmds.getmem.resp_delim =     ": ";/* getmem.resp_delim */
-  hms_cmds.getmem.term =     ">";	/* getmem.term */
-  hms_cmds.getmem.term_cmd =     "\003";/* getmem.term_cmd */
-  hms_cmds.setreg.cmd =     "r %s=%x\r";/* setreg.cmd (name, value) */
-  hms_cmds.setreg.resp_delim =     NULL;/* setreg.resp_delim */
-  hms_cmds.setreg.term =     NULL;	/* setreg.term */
-  hms_cmds.setreg.term_cmd =     NULL;	/* setreg.term_cmd */
-  hms_cmds.getreg.cmd =     "r %s\r";	/* getreg.cmd (name) */
-  hms_cmds.getreg.resp_delim =     " (";/* getreg.resp_delim */
-  hms_cmds.getreg.term =     ":";	/* getreg.term */
-  hms_cmds.getreg.term_cmd =     "\003";/* getreg.term_cmd */
-  hms_cmds.dump_registers =   "r\r";	/* dump_registers */
-  hms_cmds.register_pattern =   "\\(\\w+\\)=\\([0-9a-fA-F]+\\)";	/* register_pattern */
-  hms_cmds.supply_register =   hms_supply_register;	/* supply_register */
-  hms_cmds.load_routine =   NULL;	/* load_routine (defaults to SRECs) */
-  hms_cmds.load =   "tl\r";		/* download command */
-  hms_cmds.loadresp =   NULL;		/* load response */
-  hms_cmds.prompt =   ">";		/* monitor command prompt */
-  hms_cmds.line_term =   "\r";		/* end-of-command delimitor */
-  hms_cmds.cmd_end =   NULL;		/* optional command terminator */
-  hms_cmds.target =   &hms_ops;		/* target operations */
-  hms_cmds.stopbits =   SERIAL_1_STOPBITS;/* number of stop bits */
-  hms_cmds.regnames =   hms_regnames;	/* registers names */
-  hms_cmds.magic =   MONITOR_OPS_MAGIC;	/* magic */
-} /* init_hms-cmds */
-
-static void
-hms_open (args, from_tty)
-     char *args;
-     int from_tty;
-{
-  monitor_open (args, &hms_cmds, from_tty);
-}
-
-int write_dos_tick_delay;
-
-void
-_initialize_remote_hms ()
-{
-  init_hms_cmds() ;
-  init_monitor_ops (&hms_ops);
-
-  hms_ops.to_shortname = "hms";
-  hms_ops.to_longname = "Hitachi Microsystems H8/300 debug monitor";
-  hms_ops.to_doc = "Debug via the HMS monitor.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).";
-  hms_ops.to_open = hms_open;
-  /* By trial and error I've found that this delay doesn't break things */
-  write_dos_tick_delay = 1;
-  add_target (&hms_ops);
-}
-
-#if 0
-/* This is kept here because we used to support the H8/500 in this module,
-   and I haven't done the H8/500 yet */
-#include "defs.h"
-#include "inferior.h"
-#include "wait.h"
-#include "value.h"
-#include "gdb_string.h"
-#include <ctype.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <errno.h>
-#include "terminal.h"
-#include "target.h"
-#include "gdbcore.h"
-#include "serial.h"
-#include "remote-utils.h"
-/* External data declarations */
-extern int stop_soon_quietly;	/* for wait_for_inferior */
-
-/* Forward data declarations */
-extern struct target_ops hms_ops;	/* Forward declaration */
-
-/* Forward function declarations */
-static void hms_fetch_registers ();
-static int hms_store_registers ();
-static void hms_close ();
-static int hms_clear_breakpoints ();
-
-extern struct target_ops hms_ops;
-static void hms_drain ();
-static void add_commands ();
-static void remove_commands ();
-
-static int quiet = 1;		/* FIXME - can be removed after Dec '94 */
-
-
-
-/***********************************************************************
- * I/O stuff stolen from remote-eb.c
- ***********************************************************************/
-
-static int timeout = 2;
-
-static const char *dev_name;
-
-/* Descriptor for I/O to remote machine.  Initialize it to -1 so that
-   hms_open knows that we don't have a file open when the program
-   starts.  */
-
-static int before = 0xdead;
-static int is_open = 0;
-static int after = 0xdead;
-int
-check_open ()
-{
-  if (before != 0xdead
-      || after != 0xdead)
-    printf ("OUTCH! \n");
-  if (!is_open)
-    {
-      error ("remote device not open");
-    }
-}
-
-#define ON	1
-#define OFF	0
-
-/* Read a character from the remote system, doing all the fancy
-   timeout stuff.  */
-static int
-readchar ()
-{
-  int buf;
-
-  buf = SERIAL_READCHAR (desc, timeout);
-
-  if (buf == SERIAL_TIMEOUT)
-    {
-      hms_write (".\r\n", 3);
-      error ("Timeout reading from remote system.");
-    }
-  if (buf == SERIAL_ERROR)
-    {
-      error ("Serial port error!");
-    }
-
-  if (!quiet || remote_debug)
-    printf_unfiltered ("%c", buf);
-
-  return buf & 0x7f;
-}
-
-static void
-flush ()
-{
-  while (1)
-    {
-      int b = SERIAL_READCHAR (desc, 0);
-      if (b == SERIAL_TIMEOUT)
-	return;
-    }
-}
-
-static int
-readchar_nofail ()
-{
-  int buf;
-
-  buf = SERIAL_READCHAR (desc, timeout);
-  if (buf == SERIAL_TIMEOUT)
-    buf = 0;
-  if (!quiet || remote_debug)
-    printf_unfiltered ("%c", buf);
-
-  return buf & 0x7f;
-
-}
-
-/* Keep discarding input from the remote system, until STRING is found.
-   Let the user break out immediately.  */
-static void
-expect (string)
-     char *string;
-{
-  char *p = string;
-  char c;
-  immediate_quit = 1;
-  while (1)
-    {
-      c = readchar ();
-      if (c == *p)
-	{
-	  p++;
-	  if (*p == '\0')
-	    {
-	      immediate_quit = 0;
-	      return;
-	    }
-	}
-      else
-	{
-	  p = string;
-	  if (c == *p)
-	    p++;
-	}
-    }
-}
-
-/* Keep discarding input until we see the hms prompt.
-
-   The convention for dealing with the prompt is that you
-   o give your command
-   o *then* wait for the prompt.
-
-   Thus the last thing that a procedure does with the serial line
-   will be an expect_prompt().  Exception:  hms_resume does not
-   wait for the prompt, because the terminal is being handed over
-   to the inferior.  However, the next thing which happens after that
-   is a hms_wait which does wait for the prompt.
-   Note that this includes abnormal exit, e.g. error().  This is
-   necessary to prevent getting into states from which we can't
-   recover.  */
-static void
-expect_prompt ()
-{
-  expect ("HMS>");
-}
-
-/* Get a hex digit from the remote system & return its value.
-   If ignore_space is nonzero, ignore spaces (not newline, tab, etc).  */
-static int
-get_hex_digit (ignore_space)
-     int ignore_space;
-{
-  int ch;
-
-  while (1)
-    {
-      ch = readchar ();
-      if (ch >= '0' && ch <= '9')
-	return ch - '0';
-      else if (ch >= 'A' && ch <= 'F')
-	return ch - 'A' + 10;
-      else if (ch >= 'a' && ch <= 'f')
-	return ch - 'a' + 10;
-      else if (ch == ' ' && ignore_space)
-	;
-      else
-	{
-	  expect_prompt ();
-	  error ("Invalid hex digit from remote system.");
-	}
-    }
-}
-
-/* Get a byte from hms_desc and put it in *BYT.  Accept any number
-   leading spaces.  */
-static void
-get_hex_byte (byt)
-     char *byt;
-{
-  int val;
-
-  val = get_hex_digit (1) << 4;
-  val |= get_hex_digit (0);
-  *byt = val;
-}
-
-/* Read a 32-bit hex word from the hms, preceded by a space  */
-static long
-get_hex_word ()
-{
-  long val;
-  int j;
-
-  val = 0;
-  for (j = 0; j < 8; j++)
-    val = (val << 4) + get_hex_digit (j == 0);
-  return val;
-}
-
-/* Called when SIGALRM signal sent due to alarm() timeout.  */
-
-/* Number of SIGTRAPs we need to simulate.  That is, the next
-   NEED_ARTIFICIAL_TRAP calls to hms_wait should just return
-   SIGTRAP without actually waiting for anything.  */
-
-static int need_artificial_trap = 0;
-
-void
-hms_kill (arg, from_tty)
-     char *arg;
-     int from_tty;
-{
-
-}
-
-/* This is called not only when we first attach, but also when the
-   user types "run" after having attached.  */
-void
-hms_create_inferior (execfile, args, env)
-     char *execfile;
-     char *args;
-     char **env;
-{
-  int entry_pt;
-  char buffer[100];
-
-  if (args && *args)
-    error ("Can't pass arguments to remote hms process.");
-
-  if (execfile == 0 || exec_bfd == 0)
-    error ("No executable file specified");
-
-  entry_pt = (int) bfd_get_start_address (exec_bfd);
-  check_open ();
-
-  hms_kill (NULL, NULL);
-  hms_clear_breakpoints ();
-  init_wait_for_inferior ();
-  hms_write_cr ("");
-  expect_prompt ();
-
-  insert_breakpoints ();	/* Needed to get correct instruction in cache */
-  proceed (entry_pt, TARGET_SIGNAL_DEFAULT, 0);
-}
-
-/* Open a connection to a remote debugger.
-   NAME is the filename used for communication, then a space,
-   then the baud rate.
- */
-
-static char *
-find_end_of_word (s)
-     char *s;
-{
-  while (*s && !isspace (*s))
-    s++;
-  return s;
-}
-
-static char *
-get_word (p)
-     char **p;
-{
-  char *s = *p;
-  char *word;
-  char *copy;
-  size_t len;
-
-  while (isspace (*s))
-    s++;
-
-  word = s;
-
-  len = 0;
-
-  while (*s && !isspace (*s))
-    {
-      s++;
-      len++;
-
-    }
-  copy = xmalloc (len + 1);
-  memcpy (copy, word, len);
-  copy[len] = 0;
-  *p = s;
-  return copy;
-}
-
-static int baudrate = 9600;
-
-static int
-is_baudrate_right ()
-{
-  int ok;
-
-  /* Put this port into NORMAL mode, send the 'normal' character */
-
-  hms_write ("\001", 1);	/* Control A */
-  hms_write ("\r\n", 2);	/* Cr */
-
-  while (1)
-    {
-      ok = SERIAL_READCHAR (desc, timeout);
-      if (ok < 0)
-	break;
-    }
-
-  hms_write ("r", 1);
-
-  if (readchar_nofail () == 'r')
-    return 1;
-
-  /* Not the right baudrate, or the board's not on */
-  return 0;
-}
-static void
-set_rate ()
-{
-  if (!SERIAL_SETBAUDRATE (desc, baudrate))
-    error ("Can't set baudrate");
-}
-
-
-
-/* Close out all files and local state before this target loses control. */
-
-static void
-hms_close (quitting)
-     int quitting;
-{
-  /* Clear any break points */
-  remove_commands ();
-  hms_clear_breakpoints ();
-  sleep (1);			/* Let any output make it all the way back */
-  if (is_open)
-    {
-      SERIAL_WRITE (desc, "R\r\n", 3);
-      SERIAL_CLOSE (desc);
-    }
-  is_open = 0;
-}
-
-/* Terminate the open connection to the remote debugger.  Use this
-   when you want to detach and do something else with your gdb.  */ void
-hms_detach (args, from_tty)
-     char *args;
-     int from_tty;
-{
-  if (is_open)
-    {
-      hms_clear_breakpoints ();
-    }
-
-  pop_target ();		/* calls hms_close to do the real work
-				 */
-  if (from_tty)
-    printf_filtered ("Ending remote %s debugging\n",
-		     target_shortname);
-}
-
-/* Tell the remote machine to resume.  */
-
-void
-hms_resume (pid, step, sig)
-     int pid, step;
-     enum target_signal
-       sig;
-{
-  if (step)
-    {
-      hms_write_cr ("s");
-      expect ("Step>");
-
-      /* Force the next hms_wait to return a trap.  Not doing anything
-         about I/O from the target means that the user has to type "continue"
-         to see any.  FIXME, this should be fixed.  */
-      need_artificial_trap = 1;
-    }
-  else
-    {
-      hms_write_cr ("g");
-      expect ("g");
-    }
-}
-
-/* Wait until the remote machine stops, then return, storing status in
-   STATUS just as `wait' would.  */
-
-int
-hms_wait (pid, status)
-     int pid;
-     struct target_waitstatus *status;
-{
-  /* Strings to look for.  '?' means match any single character.  Note
-     that with the algorithm we use, the initial character of the string
-     cannot recur in the string, or we will not find some cases of the
-     string in the input.  */
-
-  static char bpt[] = "At breakpoint:";
-
-  /* It would be tempting to look for "\n[__exit + 0x8]\n" but that
-     requires loading symbols with "yc i" and even if we did do that we
-     don't know that the file has symbols.  */
-  static char exitmsg[] = "HMS>";
-  char *bp = bpt;
-  char *ep = exitmsg;
-
-  /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars.
-   */
-  char swallowed[50];
-
-  /* Current position in swallowed.  */
-  char *swallowed_p = swallowed;
-
-  int ch;
-  int ch_handled;
-  int old_timeout = timeout;
-  int
-    old_immediate_quit = immediate_quit;
-  int swallowed_cr = 0;
-
-  status->kind = TARGET_WAITKIND_EXITED;
-  status->value.integer = 0;
-
-  if (need_artificial_trap != 0)
-    {
-      status->kind =
-	TARGET_WAITKIND_STOPPED;
-      status->value.sig = TARGET_SIGNAL_TRAP;
-      need_artificial_trap--;
-      return 0;
-    }
-
-  timeout = 5;			/* Don't time out for a while - user program is running.
-				 */
-  immediate_quit = 1;		/* Helps ability to QUIT */
-  while (1)
-    {
-      QUIT;			/* Let user quit and leave process running */
-      ch_handled = 0;
-      ch = readchar ();
-      if (ch == *bp)
-	{
-	  bp++;
-	  if (*bp == '\0')
-	    break;
-	  ch_handled = 1;
-
-	  *swallowed_p++ = ch;
-	}
-      else
-	{
-	  bp = bpt;
-	}
-      if
-	(ch == *ep || *ep == '?')
-	{
-	  ep++;
-	  if (*ep == '\0')
-	    break;
-
-	  if (!ch_handled)
-	    *swallowed_p++ = ch;
-	  ch_handled =
-	    1;
-	}
-      else
-	{
-	  ep = exitmsg;
-	}
-
-      if (!ch_handled)
-	{
-	  char *p;
-
-	  /* Print out any characters which have been swallowed.  */
-	  for (p = swallowed; p < swallowed_p; ++p)
-	    putchar_unfiltered (*p);
-	  swallowed_p = swallowed;
-
-	  if ((ch != '\r' && ch != '\n') || swallowed_cr > 10)
-	    {
-	      putchar_unfiltered (ch);
-	      swallowed_cr = 10;
-	    }
-	  swallowed_cr++;
-
-	}
-    }
-  if (*bp == '\0')
-    {
-      status->kind = TARGET_WAITKIND_STOPPED;
-      status->value.sig = TARGET_SIGNAL_TRAP;
-      expect_prompt ();
-    }
-  else
-    {
-      status->kind = TARGET_WAITKIND_EXITED;
-      status->value.integer =
-	TARGET_SIGNAL_STOP;
-    }
-
-  timeout = old_timeout;
-  immediate_quit = old_immediate_quit;
-  return
-    0;
-}
-
-/* Return the name of register number REGNO in the form input and
-   output by hms.
-
-   Returns a pointer to a static buffer containing the answer.  */
-static char *
-get_reg_name (regno)
-     int regno;
-{
-  static char *rn[] =
-  REGISTER_NAMES;
-
-  return rn[regno];
-}
-
-/* Read the remote registers.  */
-
-static int
-gethex (length, start, ok)
-     unsigned int length;
-     char *start;
-     int *ok;
-{
-  int result = 0;
-
-  while (length--)
-    {
-      result <<= 4;
-      if (*start >= 'a' && *start <= 'f')
-	{
-	  result += *start - 'a' + 10;
-	}
-      else if (*start >= 'A' &&
-	       *start <= 'F')
-	{
-	  result += *start - 'A' + 10;
-	}
-      else if
-	(*start >= '0' && *start <= '9')
-	{
-	  result += *start - '0';
-	}
-      else
-	*ok = 0;
-      start++;
-
-    }
-  return result;
-}
-static int
-timed_read (buf, n, timeout)
-     char
-      *buf;
-
-{
-  int i;
-  char c;
-
-  i = 0;
-  while (i < n)
-    {
-      c = readchar ();
-
-      if (c == 0)
-	return i;
-      buf[i] = c;
-      i++;
-
-    }
-  return i;
-}
-
-hms_write (a, l)
-     char *a;
-{
-  int i;
-
-  SERIAL_WRITE (desc, a, l);
-
-  if (!quiet || remote_debug)
-    {
-      printf_unfiltered ("<");
-      for (i = 0; i < l; i++)
-	{
-	  printf_unfiltered ("%c", a[i]);
-	}
-      printf_unfiltered (">");
-    }
-}
-
-hms_write_cr (s)
-     char *s;
-{
-  hms_write (s, strlen (s));
-  hms_write ("\r\n", 2);
-}
-
-#ifdef GDB_TARGET_IS_H8500
-
-/* H8/500 monitor reg dump looks like:
-
-   HMS>r
-   PC:8000 SR:070C .7NZ.. CP:00 DP:00 EP:00 TP:00 BR:00
-   R0-R7: FF5A 0001 F4FE F500 0000 F528 F528 F4EE
-   HMS>
-
-
- */
-
-supply_val (n, size, ptr, segptr)
-     int n;
-     int size;
-     char *ptr;
-     char *segptr;
-{
-  int ok;
-  char raw[4];
-  switch (size)
-    {
-    case 2:
-      raw[0] = gethex (2, ptr, &ok);
-      raw[1] = gethex (2, ptr + 2, &ok);
-      supply_register (n, raw);
-      break;
-    case 1:
-      raw[0] = gethex (2, ptr, &ok);
-      supply_register (n, raw);
-      break;
-    case 4:
-      {
-	int v = gethex (4, ptr, &ok);
-	v |= gethex (2, segptr, &ok) << 16;
-	raw[0] = 0;
-	raw[1] = (v >> 16) & 0xff;
-	raw[2] = (v >> 8) & 0xff;
-	raw[3] = (v >> 0) & 0xff;
-	supply_register (n, raw);
-      }
-    }
-
-}
-static void
-hms_fetch_register (dummy)
-     int dummy;
-{
-#define REGREPLY_SIZE 108
-  char linebuf[REGREPLY_SIZE + 1];
-  int i;
-  int s;
-  int gottok;
-
-  LONGEST reg[NUM_REGS];
-  check_open ();
-
-  do
-    {
-
-      hms_write_cr ("r");
-      expect ("r");
-      s = timed_read (linebuf + 1, REGREPLY_SIZE, 1);
-
-      linebuf[REGREPLY_SIZE] = 0;
-      gottok = 0;
-      if (linebuf[3] == 'P' &&
-	  linebuf[4] == 'C' &&
-	  linebuf[5] == ':' &&
-	  linebuf[105] == 'H' &&
-	  linebuf[106] == 'M' &&
-	  linebuf[107] == 'S')
-	{
-
-	  /*
-	     012
-	     r**
-	     -------1---------2---------3---------4---------5-----
-	     345678901234567890123456789012345678901234567890123456
-	     PC:8000 SR:070C .7NZ.. CP:00 DP:00 EP:00 TP:00 BR:00**
-	     ---6---------7---------8---------9--------10----
-	     789012345678901234567890123456789012345678901234
-	     R0-R7: FF5A 0001 F4FE F500 0000 F528 F528 F4EE**
-
-	     56789
-	     HMS>
-	   */
-	  gottok = 1;
-
-
-	  supply_val (PC_REGNUM, 4, linebuf + 6, linebuf + 29);
-
-	  supply_val (CCR_REGNUM, 2, linebuf + 14);
-	  supply_val (SEG_C_REGNUM, 1, linebuf + 29);
-	  supply_val (SEG_D_REGNUM, 1, linebuf + 35);
-	  supply_val (SEG_E_REGNUM, 1, linebuf + 41);
-	  supply_val (SEG_T_REGNUM, 1, linebuf + 47);
-	  for (i = 0; i < 8; i++)
-	    {
-	      static int sr[8] =
-	      {35, 35, 35, 35,
-	       41, 41, 47, 47};
-
-	      char raw[4];
-	      char *src = linebuf + 64 + 5 * i;
-	      char *segsrc = linebuf + sr[i];
-	      supply_val (R0_REGNUM + i, 2, src);
-	      supply_val (PR0_REGNUM + i, 4, src, segsrc);
-	    }
-	}
-      if (!gottok)
-	{
-	  hms_write_cr ("");
-	  expect ("HMS>");
-	}
-    }
-  while (!gottok);
-}
-#endif
-
-#ifdef GDB_TARGET_IS_H8300
-static void
-hms_fetch_register (dummy)
-     int dummy;
-{
-#define REGREPLY_SIZE 79
-  char linebuf[REGREPLY_SIZE + 1];
-  int i;
-  int s;
-  int gottok;
-
-  ULONGEST reg[NUM_REGS];
-
-  check_open ();
-
-  do
-    {
-      hms_write_cr ("r");
-
-      s = timed_read (linebuf, 1, 1);
-
-      while (linebuf[0] != 'r')
-	s = timed_read (linebuf, 1, 1);
-
-      s = timed_read (linebuf + 1, REGREPLY_SIZE - 1, 1);
-
-      linebuf[REGREPLY_SIZE] = 0;
-      gottok = 0;
-      if (linebuf[0] == 'r' &&
-	  linebuf[3] == 'P' &&
-	  linebuf[4] == 'C' &&
-	  linebuf[5] == '=' &&
-	  linebuf[75] == 'H' &&
-	  linebuf[76] == 'M' &&
-	  linebuf[77] == 'S')
-	{
-	  /*
-	     PC=XXXX CCR=XX:XXXXXXXX R0-R7= XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX
-	     5436789012345678901234567890123456789012345678901234567890123456789012
-	     0      1         2         3         4         5         6
-	   */
-	  gottok = 1;
-
-	  reg[PC_REGNUM] = gethex (4, linebuf + 6, &gottok);
-	  reg[CCR_REGNUM] = gethex (2, linebuf + 15, &gottok);
-	  for (i = 0; i < 8; i++)
-	    {
-	      reg[i] = gethex (4, linebuf + 34 + 5 * i, &gottok);
-	    }
-	}
-    }
-  while (!gottok);
-  for (i = 0; i < NUM_REGS; i++)
-    {
-      char swapped[2];
-
-      swapped[1] = reg[i];
-      swapped[0] = (reg[i]) >> 8;
-
-      supply_register (i, swapped);
-    }
-}
-#endif
-/* Store register REGNO, or all if REGNO == -1.
-   Return errno value.  */
-static void
-hms_store_register (regno)
-     int regno;
-{
-  if (regno == -1)
-    {
-      for (regno = 0; regno < NUM_REGS; regno++)
-	{
-	  hms_store_register (regno);
-	}
-    }
-  else
-    {
-      char *name = get_reg_name (regno);
-      char buffer[100];
-      /* Some regs dont really exist */
-      if (!(name[0] == 'p' && name[1] == 'r')
-	  && !(name[0] == 'c' && name[1] == 'y')
-	  && !(name[0] == 't' && name[1] == 'i')
-	  && !(name[0] == 'i' && name[1] == 'n'))
-	{
-	  sprintf (buffer, "r %s=%x", name, read_register (regno));
-	  hms_write_cr (buffer);
-	  expect_prompt ();
-	}
-    }
-}
-
-
-/* Get ready to modify the registers array.  On machines which store
-   individual registers, this doesn't need to do anything.  On machines
-   which store all the registers in one fell swoop, this makes sure
-   that registers contains all the registers from the program being
-   debugged.  */
-
-void
-hms_prepare_to_store ()
-{
-  /* Do nothing, since we can store individual regs */
-}
-
-static CORE_ADDR
-translate_addr (addr)
-     CORE_ADDR addr;
-{
-
-  return (addr);
-
-}
-
-
-int
-hms_xfer_inferior_memory (memaddr, myaddr, len, write, target)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-     int write;
-     struct target_ops *target;	/* ignored */
-{
-
-  return len;
-}
-
-int
-hms_write_inferior_memory (memaddr, myaddr, len)
-     CORE_ADDR memaddr;
-     unsigned char *myaddr;
-     int len;
-{
-  bfd_vma addr;
-  int done;
-  int todo;
-  char buffer[100];
-  done = 0;
-  hms_write_cr (".");
-  expect_prompt ();
-  while (done < len)
-    {
-      char *ptr = buffer;
-      int thisgo;
-      int idx;
-
-      thisgo = len - done;
-      if (thisgo > 20)
-	thisgo = 20;
-
-      sprintf (ptr, "M.B %4x =", memaddr + done);
-      ptr += 10;
-      for (idx = 0; idx < thisgo; idx++)
-	{
-	  sprintf (ptr, "%2x ", myaddr[idx + done]);
-	  ptr += 3;
-	}
-      hms_write_cr (buffer);
-      expect_prompt ();
-      done += thisgo;
-    }
-}
-
-void
-hms_files_info ()
-{
-  char *file = "nothing";
-
-  if (exec_bfd)
-    file = bfd_get_filename (exec_bfd);
-
-  if (exec_bfd)
-#ifdef __GO32__
-    printf_filtered ("\tAttached to DOS asynctsr and running program %s\n", file);
-#else
-    printf_filtered ("\tAttached to %s at %d baud and running program %s\n", dev_name, baudrate, file);
-#endif
-  printf_filtered ("\ton an H8/300 processor.\n");
-}
-
-/* Copy LEN bytes of data from debugger memory at MYADDR
-   to inferior's memory at MEMADDR.  Returns errno value.
-   * sb/sh instructions don't work on unaligned addresses, when TU=1.
- */
-
-/* Read LEN bytes from inferior memory at MEMADDR.  Put the result
-   at debugger address MYADDR.  Returns errno value.  */
-int
-hms_read_inferior_memory (memaddr, myaddr, len)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-{
-  /* Align to nearest low 16 bits */
-  int i;
-
-  CORE_ADDR start = memaddr;
-  CORE_ADDR end = memaddr + len - 1;
-
-  int ok = 1;
-
-  /*
-     AAAA: XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX '................'
-     012345678901234567890123456789012345678901234567890123456789012345
-     0         1         2         3         4         5         6
-   */
-  char buffer[66];
-
-  if (memaddr & 0xf)
-    abort ();
-  if (len != 16)
-    abort ();
-
-  sprintf (buffer, "m %4x %4x", start & 0xffff, end & 0xffff);
-
-  flush ();
-  hms_write_cr (buffer);
-  /* drop the echo and newline */
-  for (i = 0; i < 13; i++)
-    readchar ();
-
-  /* Grab the lines as they come out and fill the area */
-  /* Skip over cr */
-  while (1)
-    {
-      int p;
-      int i;
-      int addr;
-      size_t idx;
-
-      char byte[16];
-
-      buffer[0] = readchar ();
-      while (buffer[0] == '\r'
-	     || buffer[0] == '\n')
-	buffer[0] = readchar ();
-
-      if (buffer[0] == 'M')
-	break;
-
-      for (i = 1; i < 50; i++)
-	{
-	  buffer[i] = readchar ();
-	}
-      /* sometimes we loose characters in the ascii representation of the 
-         data.  I don't know where.  So just scan for the end of line */
-      i = readchar ();
-      while (i != '\n' && i != '\r')
-	i = readchar ();
-
-      /* Now parse the line */
-
-      addr = gethex (4, buffer, &ok);
-      idx = 6;
-      for (p = 0; p < 16; p += 2)
-	{
-	  byte[p] = gethex (2, buffer + idx, &ok);
-	  byte[p + 1] = gethex (2, buffer + idx + 2, &ok);
-	  idx += 5;
-	}
-
-      for (p = 0; p < 16; p++)
-	{
-	  if (addr + p >= memaddr &&
-	      addr + p < memaddr + len)
-	    {
-	      myaddr[(addr + p) - memaddr] = byte[p];
-
-	    }
-
-	}
-    }
-#ifdef GDB_TARGET_IS_H8500
-  expect ("ore>");
-#endif
-#ifdef GDB_TARGET_IS_H8300
-  expect ("emory>");
-#endif
-  hms_write_cr (".");
-
-  expect_prompt ();
-  return len;
-}
-
-
-
-#define MAX_BREAKS	16
-static int num_brkpts = 0;
-static int
-hms_insert_breakpoint (addr, save)
-     CORE_ADDR addr;
-     char *save;		/* Throw away, let hms save instructions */
-{
-  check_open ();
-
-  if (num_brkpts < MAX_BREAKS)
-    {
-      char buffer[100];
-
-      num_brkpts++;
-      sprintf (buffer, "b %x", addr & 0xffff);
-      hms_write_cr (buffer);
-      expect_prompt ();
-      return (0);
-    }
-  else
-    {
-      fprintf_filtered (gdb_stderr,
-		      "Too many break points, break point not installed\n");
-      return (1);
-    }
-
-}
-static int
-hms_remove_breakpoint (addr, save)
-     CORE_ADDR addr;
-     char *save;		/* Throw away, let hms save instructions */
-{
-  if (num_brkpts > 0)
-    {
-      char buffer[100];
-
-      num_brkpts--;
-      sprintf (buffer, "b - %x", addr & 0xffff);
-      hms_write_cr (buffer);
-      expect_prompt ();
-
-    }
-  return (0);
-}
-
-/* Clear the hmss notion of what the break points are */
-static int
-hms_clear_breakpoints ()
-{
-
-  if (is_open)
-    {
-      hms_write_cr ("b -");
-      expect_prompt ();
-    }
-  num_brkpts = 0;
-}
-static void
-hms_mourn ()
-{
-  hms_clear_breakpoints ();
-  unpush_target (&hms_ops);
-  generic_mourn_inferior ();
-}
-
-/* Put a command string, in args, out to the hms.  The hms is assumed to
-   be in raw mode, all writing/reading done through desc.
-   Ouput from the hms is placed on the users terminal until the
-   prompt from the hms is seen.
-   FIXME: Can't handle commands that take input.  */
-
-void
-hms_com (args, fromtty)
-     char *args;
-     int fromtty;
-{
-  check_open ();
-
-  if (!args)
-    return;
-
-  /* Clear all input so only command relative output is displayed */
-
-  hms_write_cr (args);
-/*  hms_write ("\030", 1); */
-  expect_prompt ();
-}
-
-static void
-hms_open (name, from_tty)
-     char *name;
-     int from_tty;
-{
-  unsigned int prl;
-  char *p;
-
-  if (name == 0)
-    {
-      name = "";
-    }
-  if (is_open)
-    hms_close (0);
-  dev_name = strdup (name);
-
-  if (!(desc = SERIAL_OPEN (dev_name)))
-    perror_with_name ((char *) dev_name);
-
-  SERIAL_RAW (desc);
-  is_open = 1;
-  push_target (&hms_ops);
-  dcache_ptr = dcache_init (hms_read_inferior_memory,
-			    hms_write_inferior_memory);
-  remote_dcache = 1;
-  /* Hello?  Are you there?  */
-  SERIAL_WRITE (desc, "\r\n", 2);
-  expect_prompt ();
-
-  /* Clear any break points */
-  hms_clear_breakpoints ();
-
-  printf_filtered ("Connected to remote board running HMS monitor.\n");
-  add_commands ();
-/*  hms_drain (); */
-}
-
-/* Define the target subroutine names */
-
-struct target_ops hms_ops ;
-
-static void 
-init_hms_ops(void)
-{
-  hms_ops.to_shortname =   "hms";
-  hms_ops.to_longname =   "Remote HMS monitor";
-  hms_ops.to_doc =   "Use the H8 evaluation board running the HMS monitor connected\n\
-by a serial line.";
-  hms_ops.to_open =   hms_open;
-  hms_ops.to_close =   hms_close;
-  hms_ops.to_attach =   0;
-  hms_ops.to_post_attach = NULL;
-  hms_ops.to_require_attach = NULL;
-  hms_ops.to_detach =   hms_detach;
-  hms_ops.to_require_detach = NULL;
-  hms_ops.to_resume =   hms_resume;
-  hms_ops.to_wait  =   hms_wait;
-  hms_ops.to_post_wait = NULL;
-  hms_ops.to_fetch_registers  =   hms_fetch_register;
-  hms_ops.to_store_registers  =   hms_store_register;
-  hms_ops.to_prepare_to_store =   hms_prepare_to_store;
-  hms_ops.to_xfer_memory  =   hms_xfer_inferior_memory;
-  hms_ops.to_files_info  =   hms_files_info;
-  hms_ops.to_insert_breakpoint =   hms_insert_breakpoint;
-  hms_ops.to_remove_breakpoint =   hms_remove_breakpoint;
-  hms_ops.to_terminal_init  =   0;
-  hms_ops.to_terminal_inferior =   0;
-  hms_ops.to_terminal_ours_for_output =   0;
-  hms_ops.to_terminal_ours  =   0;
-  hms_ops.to_terminal_info  =   0;
-  hms_ops.to_kill  =   hms_kill;	
-  hms_ops.to_load  =   generic_load;
-  hms_ops.to_lookup_symbol =   0;
-  hms_ops.to_create_inferior =   hms_create_inferior;
-  hms_ops.to_post_startup_inferior = NULL;
-  hms_ops.to_acknowledge_created_inferior = NULL;
-  hms_ops.to_clone_and_follow_inferior = NULL;
-  hms_ops.to_post_follow_inferior_by_clone = NULL;
-  hms_ops.to_insert_fork_catchpoint = NULL;
-  hms_ops.to_remove_fork_catchpoint = NULL;
-  hms_ops.to_insert_vfork_catchpoint = NULL;
-  hms_ops.to_remove_vfork_catchpoint = NULL;
-  hms_ops.to_has_forked = NULL;
-  hms_ops.to_has_vforked = NULL;
-  hms_ops.to_can_follow_vfork_prior_to_exec = NULL;
-  hms_ops.to_post_follow_vfork = NULL;
-  hms_ops.to_insert_exec_catchpoint = NULL;
-  hms_ops.to_remove_exec_catchpoint = NULL;
-  hms_ops.to_has_execd = NULL;
-  hms_ops.to_reported_exec_events_per_exec_call = NULL;
-  hms_ops.to_has_exited = NULL;
-  hms_ops.to_mourn_inferior =   hms_mourn;
-  hms_ops.to_can_run  =   0;
-  hms_ops.to_notice_signals =   0;
-  hms_ops.to_thread_alive  =   0;
-  hms_ops.to_stop  =   0;
-  hms_ops.to_pid_to_exec_file = NULL;
-  hms_ops.to_core_file_to_sym_file = NULL;			
-  hms_ops.to_stratum =   process_stratum;
-  hms_ops.DONT_USE =   0;	
-  hms_ops.to_has_all_memory =   1;
-  hms_ops.to_has_memory =   1;
-  hms_ops.to_has_stack =   1;
-  hms_ops.to_has_registers =   1;
-  hms_ops.to_has_execution =   1;
-  hms_ops.to_sections =   0;
-  hms_ops.to_sections_end =   0;			
-  hms_ops.to_magic =   OPS_MAGIC;		
-};
-
-hms_quiet ()			/* FIXME - this routine can be removed after Dec '94 */
-{
-  quiet = !quiet;
-  if (quiet)
-    printf_filtered ("Snoop disabled\n");
-  else
-    printf_filtered ("Snoop enabled\n");
-
-  printf_filtered ("`snoop' is obsolete, please use `set remotedebug'.\n");
-}
-
-hms_device (s)
-     char *s;
-{
-  if (s)
-    {
-      dev_name = get_word (&s);
-    }
-}
-
-static
-hms_speed (s)
-     char *s;
-{
-  check_open ();
-
-  if (s)
-    {
-      char buffer[100];
-      int newrate = atoi (s);
-      int which = 0;
-
-      if (SERIAL_SETBAUDRATE (desc, newrate))
-	error ("Can't use %d baud\n", newrate);
-
-      printf_filtered ("Checking target is in sync\n");
-
-      printf_filtered ("Sending commands to set target to %d\n",
-		       baudrate);
-
-      sprintf (buffer, "tm %d. N 8 1", baudrate);
-      hms_write_cr (buffer);
-    }
-}
-
-/***********************************************************************/
-
-static void
-hms_drain (args, fromtty)
-     char *args;
-     int fromtty;
-{
-  int c;
-  while (1)
-    {
-      c = SERIAL_READCHAR (desc, 1);
-      if (c == SERIAL_TIMEOUT)
-	break;
-      if (c == SERIAL_ERROR)
-	break;
-      if (c > ' ' && c < 127)
-	printf ("%c", c & 0xff);
-      else
-	printf ("<%x>", c & 0xff);
-    }
-}
-
-static void
-add_commands ()
-{
-
-  add_com ("hms_drain", class_obscure, hms_drain,
-	   "Drain pending hms text buffers.");
-}
-
-static void
-remove_commands ()
-{
-  extern struct cmd_list_element *cmdlist;
-  delete_cmd ("hms-drain", &cmdlist);
-}
-
-
-void
-_initialize_remote_hms ()
-{
-  init_hms_ops() ;
-  add_target (&hms_ops);
-
-  add_com ("hms <command>", class_obscure, hms_com,
-	   "Send a command to the HMS monitor.");
-
-  /* FIXME - hms_quiet and `snoop' can be removed after Dec '94 */
-  add_com ("snoop", class_obscure, hms_quiet,
-	   "Show what commands are going to the monitor (OBSOLETE - see 'set remotedebug')");
-
-  add_com ("device", class_obscure, hms_device,
-	   "Set the terminal line for HMS communications");
-
-  add_com ("speed", class_obscure, hms_speed,
-	   "Set the terminal line speed for HMS communications");
-
-  dev_name = NULL;
-}
-#endif
-