Initial creation of sourceware repository

1 files changed, 0 insertions, 1056 deletions

diff --git a/gdb/remote-eb.c b/gdb/remote-eb.c
deleted file mode 100644
index d3a3c41..0000000
--- a/gdb/remote-eb.c
+++ /dev/null
@@ -1,1056 +0,0 @@
-/* Remote debugging interface for AMD 29000 EBMON on IBM PC, for GDB.
-   Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
-   Contributed by Cygnus Support.  Written by Jim Kingdon for Cygnus.
-
-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.  */
-
-/* This is like remote.c but is for an esoteric situation--
-   having a a29k board in a PC hooked up to a unix machine with
-   a serial line, and running ctty com1 on the PC, through which
-   the unix machine can run ebmon.  Not to mention that the PC
-   has PC/NFS, so it can access the same executables that gdb can,
-   over the net in real time.  */
-
-#include "defs.h"
-#include "gdb_string.h"
-
-#include "inferior.h"
-#include "bfd.h"
-#include "symfile.h"
-#include "wait.h"
-#include "value.h"
-#include <ctype.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <errno.h>
-#include "terminal.h"
-#include "target.h"
-#include "gdbcore.h"
-
-extern struct target_ops eb_ops;		/* Forward declaration */
-
-static void eb_close();
-
-#define LOG_FILE "eb.log"
-#if defined (LOG_FILE)
-FILE *log_file;
-#endif
-
-static int timeout = 24;
-
-/* Descriptor for I/O to remote machine.  Initialize it to -1 so that
-   eb_open knows that we don't have a file open when the program
-   starts.  */
-int eb_desc = -1;
-
-/* stream which is fdopen'd from eb_desc.  Only valid when
-   eb_desc != -1.  */
-FILE *eb_stream;
-
-/* Read a character from the remote system, doing all the fancy
-   timeout stuff.  */
-static int
-readchar ()
-{
-  char buf;
-
-  buf = '\0';
-#ifdef HAVE_TERMIO
-  /* termio does the timeout for us.  */
-  read (eb_desc, &buf, 1);
-#else
-  alarm (timeout);
-  if (read (eb_desc, &buf, 1) < 0)
-    {
-      if (errno == EINTR)
-	error ("Timeout reading from remote system.");
-      else
-	perror_with_name ("remote");
-    }
-  alarm (0);
-#endif
-
-  if (buf == '\0')
-    error ("Timeout reading from remote system.");
-#if defined (LOG_FILE)
-  putc (buf & 0x7f, log_file);
-#endif
-  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;
-
-  immediate_quit = 1;
-  while (1)
-    {
-      if (readchar() == *p)
-	{
-	  p++;
-	  if (*p == '\0')
-	    {
-	      immediate_quit = 0;
-	      return;
-	    }
-	}
-      else
-	p = string;
-    }
-}
-
-/* Keep discarding input until we see the ebmon 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:  eb_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 eb_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 ()
-{
-#if defined (LOG_FILE)
-  /* This is a convenient place to do this.  The idea is to do it often
-     enough that we never lose much data if we terminate abnormally.  */
-  fflush (log_file);
-#endif
-  expect ("\n# ");
-}
-
-/* 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 eb_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;
-}
-
-/* Get N 32-bit words from remote, each preceded by a space,
-   and put them in registers starting at REGNO.  */
-static void
-get_hex_regs (n, regno)
-     int n;
-     int regno;
-{
-  long val;
-  int i;
-
-  for (i = 0; i < n; i++)
-    {
-      int j;
-      
-      val = 0;
-      for (j = 0; j < 8; j++)
-	val = (val << 4) + get_hex_digit (j == 0);
-      supply_register (regno++, (char *) &val);
-    }
-}
-
-/* Called when SIGALRM signal sent due to alarm() timeout.  */
-#ifndef HAVE_TERMIO
-
-#ifndef __STDC__
-#define volatile /**/
-#endif
-volatile int n_alarms;
-
-void
-eb_timer ()
-{
-#if 0
-  if (kiodebug)
-    printf ("eb_timer called\n");
-#endif
-  n_alarms++;
-}
-#endif
-
-/* malloc'd name of the program on the remote system.  */
-static char *prog_name = NULL;
-
-/* Nonzero if we have loaded the file ("yc") and not yet issued a "gi"
-   command.  "gi" is supposed to happen exactly once for each "yc".  */
-static int need_gi = 0;
-
-/* Number of SIGTRAPs we need to simulate.  That is, the next
-   NEED_ARTIFICIAL_TRAP calls to eb_wait should just return
-   SIGTRAP without actually waiting for anything.  */
-
-static int need_artificial_trap = 0;
-
-/* This is called not only when we first attach, but also when the
-   user types "run" after having attached.  */
-static void
-eb_create_inferior (execfile, args, env)
-     char *execfile;
-     char *args;
-     char **env;
-{
-  int entry_pt;
-
-  if (args && *args)
-    error ("Can't pass arguments to remote EBMON process");
-
-  if (execfile == 0 || exec_bfd == 0)
-    error ("No executable file specified");
-
-  entry_pt = (int) bfd_get_start_address (exec_bfd);
-
-  {
-    /* OK, now read in the file.  Y=read, C=COFF, D=no symbols
-       0=start address, %s=filename.  */
-
-    fprintf (eb_stream, "YC D,0:%s", prog_name);
-
-    if (args != NULL)
-	fprintf(eb_stream, " %s", args);
-
-    fprintf (eb_stream, "\n");
-    fflush (eb_stream);
-
-    expect_prompt ();
-
-    need_gi = 1;
-  }
-
-/* The "process" (board) is already stopped awaiting our commands, and
-   the program is already downloaded.  We just set its PC and go.  */
-
-  clear_proceed_status ();
-
-  /* Tell wait_for_inferior that we've started a new process.  */
-  init_wait_for_inferior ();
-
-  /* Set up the "saved terminal modes" of the inferior
-     based on what modes we are starting it with.  */
-  target_terminal_init ();
-
-  /* Install inferior's terminal modes.  */
-  target_terminal_inferior ();
-
-  /* insert_step_breakpoint ();  FIXME, do we need this?  */
-  proceed ((CORE_ADDR)entry_pt, TARGET_SIGNAL_DEFAULT, 0);		/* Let 'er rip... */
-}
-
-/* Translate baud rates from integers to damn B_codes.  Unix should
-   have outgrown this crap years ago, but even POSIX wouldn't buck it.  */
-
-#ifndef B19200
-#define B19200 EXTA
-#endif
-#ifndef B38400
-#define B38400 EXTB
-#endif
-
-struct {int rate, damn_b;} baudtab[] = {
-	{0, B0},
-	{50, B50},
-	{75, B75},
-	{110, B110},
-	{134, B134},
-	{150, B150},
-	{200, B200},
-	{300, B300},
-	{600, B600},
-	{1200, B1200},
-	{1800, B1800},
-	{2400, B2400},
-	{4800, B4800},
-	{9600, B9600},
-	{19200, B19200},
-	{38400, B38400},
-	{-1, -1},
-};
-
-int damn_b (rate)
-     int rate;
-{
-  int i;
-
-  for (i = 0; baudtab[i].rate != -1; i++)
-    if (rate == baudtab[i].rate) return baudtab[i].damn_b;
-  return B38400;	/* Random */
-}
-
-
-/* Open a connection to a remote debugger.
-   NAME is the filename used for communication, then a space,
-   then the name of the program as we should name it to EBMON.  */
-
-static int baudrate = 9600;
-static char *dev_name;
-void
-eb_open (name, from_tty)
-     char *name;
-     int from_tty;
-{
-  TERMINAL sg;
-
-  char *p;
-
-  target_preopen (from_tty);
-  
-  /* Find the first whitespace character, it separates dev_name from
-     prog_name.  */
-  if (name == 0)
-    goto erroid;
-
-  for (p = name;
-       *p != '\0' && !isspace (*p); p++)
-    ;
-  if (*p == '\0')
-erroid:
-    error ("\
-Please include the name of the device for the serial port,\n\
-the baud rate, and the name of the program to run on the remote system.");
-  dev_name = alloca (p - name + 1);
-  strncpy (dev_name, name, p - name);
-  dev_name[p - name] = '\0';
-
-  /* Skip over the whitespace after dev_name */
-  for (; isspace (*p); p++)
-    /*EMPTY*/;
-  
-  if (1 != sscanf (p, "%d ", &baudrate))
-    goto erroid;
-
-  /* Skip the number and then the spaces */
-  for (; isdigit (*p); p++)
-    /*EMPTY*/;
-  for (; isspace (*p); p++)
-    /*EMPTY*/;
-  
-  if (prog_name != NULL)
-    free (prog_name);
-  prog_name = savestring (p, strlen (p));
-
-  eb_close (0);
-
-  eb_desc = open (dev_name, O_RDWR);
-  if (eb_desc < 0)
-    perror_with_name (dev_name);
-  ioctl (eb_desc, TIOCGETP, &sg);
-#ifdef HAVE_TERMIO
-  sg.c_cc[VMIN] = 0;		/* read with timeout.  */
-  sg.c_cc[VTIME] = timeout * 10;
-  sg.c_lflag &= ~(ICANON | ECHO);
-  sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate);
-#else
-  sg.sg_ispeed = damn_b (baudrate);
-  sg.sg_ospeed = damn_b (baudrate);
-  sg.sg_flags |= RAW | ANYP;
-  sg.sg_flags &= ~ECHO;
-#endif
-
-  ioctl (eb_desc, TIOCSETP, &sg);
-  eb_stream = fdopen (eb_desc, "r+");
-
-  push_target (&eb_ops);
-  if (from_tty)
-    printf ("Remote %s debugging %s using %s\n", target_shortname,
-	    prog_name, dev_name);
-
-#ifndef HAVE_TERMIO
-#ifndef NO_SIGINTERRUPT
-  /* Cause SIGALRM's to make reads fail with EINTR instead of resuming
-     the read.  */
-  if (siginterrupt (SIGALRM, 1) != 0)
-    perror ("eb_open: error in siginterrupt");
-#endif
-
-  /* Set up read timeout timer.  */
-  if ((void (*)) signal (SIGALRM, eb_timer) == (void (*)) -1)
-    perror ("eb_open: error in signal");
-#endif
-
-#if defined (LOG_FILE)
-  log_file = fopen (LOG_FILE, "w");
-  if (log_file == NULL)
-    perror_with_name (LOG_FILE);
-#endif
-
-  /* Hello?  Are you there?  */
-  write (eb_desc, "\n", 1);
-  
-  expect_prompt ();
-}
-
-/* Close out all files and local state before this target loses control. */
-
-static void
-eb_close (quitting)
-     int quitting;
-{
-
-  /* Due to a bug in Unix, fclose closes not only the stdio stream,
-     but also the file descriptor.  So we don't actually close
-     eb_desc.  */
-  if (eb_stream)
-    fclose (eb_stream);	/* This also closes eb_desc */
-  if (eb_desc >= 0)
-    /* close (eb_desc); */
-
-  /* Do not try to close eb_desc again, later in the program.  */
-  eb_stream = NULL;
-  eb_desc = -1;
-
-#if defined (LOG_FILE)
-  if (log_file) {
-    if (ferror (log_file))
-      printf ("Error writing log file.\n");
-    if (fclose (log_file) != 0)
-      printf ("Error closing log file.\n");
-  }
-#endif
-}
-
-/* Terminate the open connection to the remote debugger.
-   Use this when you want to detach and do something else
-   with your gdb.  */
-void
-eb_detach (from_tty)
-     int from_tty;
-{
-  pop_target();		/* calls eb_close to do the real work */
-  if (from_tty)
-    printf ("Ending remote %s debugging\n", target_shortname);
-}
- 
-/* Tell the remote machine to resume.  */
-
-void
-eb_resume (pid, step, sig)
-     int pid, step;
-     enum target_signal sig;
-{
-  if (step)
-    {
-      write (eb_desc, "t 1,s\n", 6);
-      /* Wait for the echo.  */
-      expect ("t 1,s\r");
-      /* Then comes a line containing the instruction we stepped to.  */
-      expect ("\n@");
-      /* Then we get the prompt.  */
-      expect_prompt ();
-
-      /* Force the next eb_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.  This should be fixed.  */
-      need_artificial_trap = 1;
-    }
-  else
-    {
-      if (need_gi)
-	{
-	  need_gi = 0;
-	  write (eb_desc, "gi\n", 3);
-	  
-	  /* Swallow the echo of "gi".  */
-	  expect ("gi\r");
-	}
-      else
-	{
-	  write (eb_desc, "GR\n", 3);
-	  /* Swallow the echo.  */
-	  expect ("GR\r");
-	}
-    }
-}
-
-/* Wait until the remote machine stops, then return,
-   storing status in STATUS just as `wait' would.  */
-
-int
-eb_wait (status)
-     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[] = "Invalid interrupt taken - #0x50 - ";
-  /* 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[] = "\n@????????I    JMPTI     GR121,LR0";
-  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;
-
-  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 = 0;		/* Don't time out -- user program is running. */
-  while (1)
-    {
-      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)
-	    putc (*p, stdout);
-	  swallowed_p = swallowed;
-	  
-	  putc (ch, stdout);
-	}
-    }
-  expect_prompt ();
-  if (*bp== '\0')
-    {
-      status->kind = TARGET_WAITKIND_STOPPED;
-      status->value.sig = TARGET_SIGNAL_TRAP;
-    }
-  else
-    {
-      status->kind = TARGET_WAITKIND_EXITED;
-      status->value.integer = 0;
-    }
-  timeout = old_timeout;
-
-  return 0;
-}
-
-/* Return the name of register number REGNO
-   in the form input and output by EBMON.
-
-   Returns a pointer to a static buffer containing the answer.  */
-static char *
-get_reg_name (regno)
-     int regno;
-{
-  static char buf[80];
-  if (regno >= GR96_REGNUM && regno < GR96_REGNUM + 32)
-    sprintf (buf, "GR%03d", regno - GR96_REGNUM + 96);
-  else if (regno >= LR0_REGNUM && regno < LR0_REGNUM + 128)
-    sprintf (buf, "LR%03d", regno - LR0_REGNUM);
-  else if (regno == Q_REGNUM)
-    strcpy (buf, "SR131");
-  else if (regno >= BP_REGNUM && regno <= CR_REGNUM)
-    sprintf (buf, "SR%03d", regno - BP_REGNUM + 133);
-  else if (regno == ALU_REGNUM)
-    strcpy (buf, "SR132");
-  else if (regno >= IPC_REGNUM && regno <= IPB_REGNUM)
-    sprintf (buf, "SR%03d", regno - IPC_REGNUM + 128);
-  else if (regno >= VAB_REGNUM && regno <= LRU_REGNUM)
-    sprintf (buf, "SR%03d", regno - VAB_REGNUM);
-  else if (regno == GR1_REGNUM)
-    strcpy (buf, "GR001");
-  return buf;
-}
-
-/* Read the remote registers into the block REGS.  */
-
-static void
-eb_fetch_registers ()
-{
-  int reg_index;
-  int regnum_index;
-  char tempbuf[10];
-  int i;
-
-#if 0
-  /* This should not be necessary, because one is supposed to read the
-     registers only when the inferior is stopped (at least with
-     ptrace() and why not make it the same for remote?).  */
-  /* ^A is the "normal character" used to make sure we are talking to EBMON
-     and not to the program being debugged.  */
-  write (eb_desc, "\001\n");
-  expect_prompt ();
-#endif
-
-  write (eb_desc, "dw gr96,gr127\n", 14);
-  for (reg_index = 96, regnum_index = GR96_REGNUM;
-       reg_index < 128;
-       reg_index += 4, regnum_index += 4)
-    {
-      sprintf (tempbuf, "GR%03d ", reg_index);
-      expect (tempbuf);
-      get_hex_regs (4, regnum_index);
-      expect ("\n");
-    }
-
-  for (i = 0; i < 128; i += 32)
-    {
-      /* The PC has a tendency to hang if we get these
-	 all in one fell swoop ("dw lr0,lr127").  */
-      sprintf (tempbuf, "dw lr%d\n", i);
-      write (eb_desc, tempbuf, strlen (tempbuf));
-      for (reg_index = i, regnum_index = LR0_REGNUM + i;
-	   reg_index < i + 32;
-	   reg_index += 4, regnum_index += 4)
-	{
-	  sprintf (tempbuf, "LR%03d ", reg_index);
-	  expect (tempbuf);
-	  get_hex_regs (4, regnum_index);
-	  expect ("\n");
-	}
-    }
-
-  write (eb_desc, "dw sr133,sr133\n", 15);
-  expect ("SR133          ");
-  get_hex_regs (1, BP_REGNUM);
-  expect ("\n");
-
-  write (eb_desc, "dw sr134,sr134\n", 15);
-  expect ("SR134                   ");
-  get_hex_regs (1, FC_REGNUM);
-  expect ("\n");
-
-  write (eb_desc, "dw sr135,sr135\n", 15);
-  expect ("SR135                            ");
-  get_hex_regs (1, CR_REGNUM);
-  expect ("\n");
-
-  write (eb_desc, "dw sr131,sr131\n", 15);
-  expect ("SR131                            ");
-  get_hex_regs (1, Q_REGNUM);
-  expect ("\n");
-
-  write (eb_desc, "dw sr0,sr14\n", 12);
-  for (reg_index = 0, regnum_index = VAB_REGNUM;
-       regnum_index <= LRU_REGNUM;
-       regnum_index += 4, reg_index += 4)
-    {
-      sprintf (tempbuf, "SR%03d ", reg_index);
-      expect (tempbuf);
-      get_hex_regs (reg_index == 12 ? 3 : 4, regnum_index);
-      expect ("\n");
-    }
-
-  /* There doesn't seem to be any way to get these.  */
-  {
-    int val = -1;
-    supply_register (FPE_REGNUM, (char *) &val);
-    supply_register (INTE_REGNUM, (char *) &val);
-    supply_register (FPS_REGNUM, (char *) &val);
-    supply_register (EXO_REGNUM, (char *) &val);
-  }
-
-  write (eb_desc, "dw gr1,gr1\n", 11);
-  expect ("GR001 ");
-  get_hex_regs (1, GR1_REGNUM);
-  expect_prompt ();
-}
-
-/* Fetch register REGNO, or all registers if REGNO is -1.
-   Returns errno value.  */
-void
-eb_fetch_register (regno)
-     int regno;
-{
-  if (regno == -1)
-    eb_fetch_registers ();
-  else
-    {
-      char *name = get_reg_name (regno);
-      fprintf (eb_stream, "dw %s,%s\n", name, name);
-      expect (name);
-      expect (" ");
-      get_hex_regs (1, regno);
-      expect_prompt ();
-    }
-  return;
-}
-
-/* Store the remote registers from the contents of the block REGS.  */
-
-static void
-eb_store_registers ()
-{
-  int i, j;
-  fprintf (eb_stream, "s gr1,%x\n", read_register (GR1_REGNUM));
-  expect_prompt ();
-
-  for (j = 0; j < 32; j += 16)
-    {
-      fprintf (eb_stream, "s gr%d,", j + 96);
-      for (i = 0; i < 15; ++i)
-	fprintf (eb_stream, "%x,", read_register (GR96_REGNUM + j + i));
-      fprintf (eb_stream, "%x\n", read_register (GR96_REGNUM + j + 15));
-      expect_prompt ();
-    }
-
-  for (j = 0; j < 128; j += 16)
-    {
-      fprintf (eb_stream, "s lr%d,", j);
-      for (i = 0; i < 15; ++i)
-	fprintf (eb_stream, "%x,", read_register (LR0_REGNUM + j + i));
-      fprintf (eb_stream, "%x\n", read_register (LR0_REGNUM + j + 15));
-      expect_prompt ();
-    }
-
-  fprintf (eb_stream, "s sr133,%x,%x,%x\n", read_register (BP_REGNUM),
-	   read_register (FC_REGNUM), read_register (CR_REGNUM));
-  expect_prompt ();
-  fprintf (eb_stream, "s sr131,%x\n", read_register (Q_REGNUM));
-  expect_prompt ();
-  fprintf (eb_stream, "s sr0,");
-  for (i = 0; i < 11; ++i)
-    fprintf (eb_stream, "%x,", read_register (VAB_REGNUM + i));
-  fprintf (eb_stream, "%x\n", read_register (VAB_REGNUM + 11));
-  expect_prompt ();
-}
-
-/* Store register REGNO, or all if REGNO == 0.
-   Return errno value.  */
-void
-eb_store_register (regno)
-     int regno;
-{
-  if (regno == -1)
-    eb_store_registers ();
-  else
-    {
-      char *name = get_reg_name (regno);
-      fprintf (eb_stream, "s %s,%x\n", name, read_register (regno));
-      /* Setting GR1 changes the numbers of all the locals, so
-	 invalidate the register cache.  Do this *after* calling
-	 read_register, because we want read_register to return the
-	 value that write_register has just stuffed into the registers
-	 array, not the value of the register fetched from the
-	 inferior.  */
-      if (regno == GR1_REGNUM)
-	registers_changed ();
-      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
-eb_prepare_to_store ()
-{
-  /* Do nothing, since we can store individual regs */
-}
-
-
-/* FIXME-someday!  Merge these two.  */
-int
-eb_xfer_inferior_memory (memaddr, myaddr, len, write, target)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-     int write;
-     struct target_ops *target;		/* ignored */
-{
-  if (write)
-    return eb_write_inferior_memory (memaddr, myaddr, len);
-  else
-    return eb_read_inferior_memory (memaddr, myaddr, len);
-}
-
-void
-eb_files_info ()
-{
-  printf ("\tAttached to %s at %d baud and running program %s.\n",
-	  dev_name, baudrate, prog_name);
-}
-
-/* Copy LEN bytes of data from debugger memory at MYADDR
-   to inferior's memory at MEMADDR.  Returns length moved.  */
-int
-eb_write_inferior_memory (memaddr, myaddr, len)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-{
-  int i;
-
-  for (i = 0; i < len; i++)
-    {
-      if ((i % 16) == 0)
-	fprintf (eb_stream, "sb %x,", memaddr + i);
-      if ((i % 16) == 15 || i == len - 1)
-	{
-	  fprintf (eb_stream, "%x\n", ((unsigned char *)myaddr)[i]);
-	  expect_prompt ();
-	}
-      else
-	fprintf (eb_stream, "%x,", ((unsigned char *)myaddr)[i]);
-    }
-  return len;
-}
-
-/* Read LEN bytes from inferior memory at MEMADDR.  Put the result
-   at debugger address MYADDR.  Returns length moved.  */
-int
-eb_read_inferior_memory(memaddr, myaddr, len)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-{
-  int i;
-
-  /* Number of bytes read so far.  */
-  int count;
-
-  /* Starting address of this pass.  */
-  unsigned long startaddr;
-
-  /* Number of bytes to read in this pass.  */
-  int len_this_pass;
-
-  /* Note that this code works correctly if startaddr is just less
-     than UINT_MAX (well, really CORE_ADDR_MAX if there was such a
-     thing).  That is, something like
-     eb_read_bytes (CORE_ADDR_MAX - 4, foo, 4)
-     works--it never adds len to memaddr and gets 0.  */
-  /* However, something like
-     eb_read_bytes (CORE_ADDR_MAX - 3, foo, 4)
-     doesn't need to work.  Detect it and give up if there's an attempt
-     to do that.  */
-  if (((memaddr - 1) + len) < memaddr) {
-    errno = EIO;
-    return 0;
-  }
-  
-  startaddr = memaddr;
-  count = 0;
-  while (count < len)
-    {
-      len_this_pass = 16;
-      if ((startaddr % 16) != 0)
-	len_this_pass -= startaddr % 16;
-      if (len_this_pass > (len - count))
-	len_this_pass = (len - count);
-
-      fprintf (eb_stream, "db %x,%x\n", startaddr,
-	       (startaddr - 1) + len_this_pass);
-      expect ("\n");
-
-      /* Look for 8 hex digits.  */
-      i = 0;
-      while (1)
-	{
-	  if (isxdigit (readchar ()))
-	    ++i;
-	  else
-	    {
-	      expect_prompt ();
-	      error ("Hex digit expected from remote system.");
-	    }
-	  if (i >= 8)
-	    break;
-	}
-
-      expect ("  ");
-
-      for (i = 0; i < len_this_pass; i++)
-	get_hex_byte (&myaddr[count++]);
-
-      expect_prompt ();
-
-      startaddr += len_this_pass;
-    }
-  return len;
-}
-
-static void
-eb_kill (args, from_tty)
-     char *args;
-     int from_tty;
-{
-  return;		/* Ignore attempts to kill target system */
-}
-
-/* Clean up when a program exits.
-
-   The program actually lives on in the remote processor's RAM, and may be
-   run again without a download.  Don't leave it full of breakpoint
-   instructions.  */
-
-void
-eb_mourn_inferior ()
-{
-  remove_breakpoints ();
-  unpush_target (&eb_ops);
-  generic_mourn_inferior ();	/* Do all the proper things now */
-}
-/* Define the target subroutine names */
-
-struct target_ops eb_ops ;
-
-static void 
-init_eb_ops(void)
-{
-  eb_ops.to_shortname = 	"amd-eb";
-  eb_ops.to_longname = 	"Remote serial AMD EBMON target";
-  eb_ops.to_doc = 	"Use a remote computer running EBMON connected by a serial line.\n\
-Arguments are the name of the device for the serial line,\n\
-the speed to connect at in bits per second, and the filename of the\n\
-executable as it exists on the remote computer.  For example,\n\
-target amd-eb /dev/ttya 9600 demo",
-    eb_ops.to_open = 	eb_open;
-  eb_ops.to_close = 	eb_close;
-  eb_ops.to_attach = 	0;
-  eb_ops.to_post_attach = NULL;
-  eb_ops.to_require_attach = NULL;
-  eb_ops.to_detach = 	eb_detach;
-  eb_ops.to_require_detach = NULL;
-  eb_ops.to_resume = 	eb_resume;
-  eb_ops.to_wait  = 	eb_wait;
-  eb_ops.to_post_wait = NULL;
-  eb_ops.to_fetch_registers  = 	eb_fetch_register;
-  eb_ops.to_store_registers  = 	eb_store_register;
-  eb_ops.to_prepare_to_store = 	eb_prepare_to_store;
-  eb_ops.to_xfer_memory  = 	eb_xfer_inferior_memory;
-  eb_ops.to_files_info  = 	eb_files_info;
-  eb_ops.to_insert_breakpoint = 	0;
-  eb_ops.to_remove_breakpoint = 	0;	/* Breakpoints */
-  eb_ops.to_terminal_init  = 	0;
-  eb_ops.to_terminal_inferior = 	0;
-  eb_ops.to_terminal_ours_for_output = 	0;
-  eb_ops.to_terminal_ours  = 	0;
-  eb_ops.to_terminal_info  = 	0;	/* Terminal handling */
-  eb_ops.to_kill  = 	eb_kill;
-  eb_ops.to_load  = 	generic_load;	/* load */
-  eb_ops.to_lookup_symbol = 	0; /* lookup_symbol */
-  eb_ops.to_create_inferior = 	eb_create_inferior;
-  eb_ops.to_post_startup_inferior = NULL;
-  eb_ops.to_acknowledge_created_inferior = NULL;
-  eb_ops.to_clone_and_follow_inferior = NULL;      
-  eb_ops.to_post_follow_inferior_by_clone = NULL;
-  eb_ops.to_insert_fork_catchpoint = NULL;
-  eb_ops.to_remove_fork_catchpoint = NULL;
-  eb_ops.to_insert_vfork_catchpoint = NULL;
-  eb_ops.to_remove_vfork_catchpoint = NULL;                  
-  eb_ops.to_has_forked = NULL;
-  eb_ops.to_has_vforked = NULL;            
-  eb_ops.to_can_follow_vfork_prior_to_exec = NULL;        
-  eb_ops.to_post_follow_vfork = NULL;
-  eb_ops.to_insert_exec_catchpoint = NULL;
-  eb_ops.to_remove_exec_catchpoint = NULL;
-  eb_ops.to_has_execd = NULL;
-  eb_ops.to_reported_exec_events_per_exec_call = NULL;
-  eb_ops.to_has_exited = NULL;
-  eb_ops.to_mourn_inferior = 	eb_mourn_inferior;
-  eb_ops.to_can_run  =   	0;	/* can_run */
-  eb_ops.to_notice_signals =   	0; /* notice_signals */
-  eb_ops.to_thread_alive  = 	0; /* thread-alive */
-  eb_ops.to_stop  = 	0;			/* to_stop */
-  eb_ops.to_pid_to_exec_file = NULL;
-  eb_ops.to_core_file_to_sym_file = NULL;
-  eb_ops.to_stratum = 	process_stratum;
-  eb_ops.DONT_USE = 	0; /* next */
-  eb_ops.to_has_all_memory = 	1;
-  eb_ops.to_has_memory = 	1;
-  eb_ops.to_has_stack = 	1;
-  eb_ops.to_has_registers = 	1;
-  eb_ops.to_has_execution = 	1;	/* all mem, mem, stack, regs, exec */
-  eb_ops.to_sections = 	0; /* sections */
-  eb_ops.to_sections_end = 	0; /* sections end */
-  eb_ops.to_magic = 	OPS_MAGIC;		/* Always the last thing */
-};
-
-void
-_initialize_remote_eb ()
-{
-  init_eb_ops() ;
-  add_target (&eb_ops);
-}