Initial creation of sourceware repository

1 files changed, 0 insertions, 970 deletions

diff --git a/gdb/sparcl-tdep.c b/gdb/sparcl-tdep.c
deleted file mode 100644
index e39bf30..0000000
--- a/gdb/sparcl-tdep.c
+++ /dev/null
@@ -1,970 +0,0 @@
-/* Target dependent code for the Fujitsu SPARClite for GDB, the GNU debugger.
-   Copyright 1994, 1995, 1996  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.  */
-
-#include "defs.h"
-#include "gdbcore.h"
-#include "breakpoint.h"
-#include "target.h"
-#include "serial.h"
-#include <sys/types.h>
-
-#if (!defined(__GO32__) && !defined(_WIN32)) || defined(__CYGWIN32__)
-#define HAVE_SOCKETS
-#include <sys/time.h>
-#include <unistd.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#endif
-
-extern struct target_ops sparclite_ops;	/* Forward decl */
-extern struct target_ops remote_ops;
-
-static char *remote_target_name = NULL;
-static serial_t remote_desc = NULL;
-static int serial_flag;
-#ifdef HAVE_SOCKETS
-static int udp_fd = -1;
-#endif
-
-static serial_t open_tty PARAMS ((char *name));
-static int send_resp PARAMS ((serial_t desc, char c));
-static void close_tty PARAMS ((int ignore));
-#ifdef HAVE_SOCKETS
-static int recv_udp_buf PARAMS ((int fd, unsigned char *buf, int len, int timeout));
-static int send_udp_buf PARAMS ((int fd, unsigned char *buf, int len));
-#endif
-static void sparclite_open PARAMS ((char *name, int from_tty));
-static void sparclite_close PARAMS ((int quitting));
-static void download PARAMS ((char *target_name, char *args, int from_tty,
-			      void (*write_routine) (bfd *from_bfd,
-						     asection *from_sec,
-						     file_ptr from_addr,
-						     bfd_vma to_addr, int len),
-			      void (*start_routine) (bfd_vma entry)));
-static void sparclite_serial_start PARAMS ((bfd_vma entry));
-static void sparclite_serial_write PARAMS ((bfd *from_bfd, asection *from_sec,
-					    file_ptr from_addr,
-					    bfd_vma to_addr, int len));
-#ifdef HAVE_SOCKETS
-static unsigned short calc_checksum PARAMS ((unsigned char *buffer,
-					     int count));
-static void sparclite_udp_start PARAMS ((bfd_vma entry));
-static void sparclite_udp_write PARAMS ((bfd *from_bfd, asection *from_sec,
-					 file_ptr from_addr, bfd_vma to_addr,
-					 int len));
-#endif
-static void sparclite_download PARAMS ((char *filename, int from_tty));
-
-#define DDA2_SUP_ASI		0xb000000
-#define DDA1_SUP_ASI		0xb0000
-
-#define DDA2_ASI_MASK 		0xff000000
-#define DDA1_ASI_MASK 		0xff0000 
-#define DIA2_SUP_MODE 		0x8000
-#define DIA1_SUP_MODE 		0x4000
-#define DDA2_ENABLE 		0x100
-#define DDA1_ENABLE 		0x80
-#define DIA2_ENABLE 		0x40
-#define DIA1_ENABLE 		0x20
-#define DSINGLE_STEP 		0x10		/* not used */
-#define DDV_TYPE_MASK 		0xc
-#define DDV_TYPE_LOAD 		0x0
-#define DDV_TYPE_STORE 		0x4
-#define DDV_TYPE_ACCESS 	0x8
-#define DDV_TYPE_ALWAYS		0xc
-#define DDV_COND		0x2
-#define DDV_MASK		0x1
-
-int
-sparclite_insert_watchpoint (addr, len, type)
-     CORE_ADDR addr;
-     int len;
-     int type;
-{
-  CORE_ADDR dcr;
-
-  dcr = read_register (DCR_REGNUM);
-
-  if (!(dcr & DDA1_ENABLE))
-    {
-      write_register (DDA1_REGNUM, addr);
-      dcr &= ~(DDA1_ASI_MASK | DDV_TYPE_MASK);
-      dcr |= (DDA1_SUP_ASI | DDA1_ENABLE);
-      if (type == 1)
-	{
-	  write_register (DDV1_REGNUM, 0);
-	  write_register (DDV2_REGNUM, 0xffffffff);
-	  dcr |= (DDV_TYPE_LOAD & (~DDV_COND & ~DDV_MASK));
-	}   
-      else if (type == 0)
-	{
-	  write_register (DDV1_REGNUM, 0);
-	  write_register (DDV2_REGNUM, 0xffffffff);
-	  dcr |= (DDV_TYPE_STORE & (~DDV_COND & ~DDV_MASK));
-	}
-      else
-	{
-	  write_register (DDV1_REGNUM, 0);
-	  write_register (DDV2_REGNUM, 0xffffffff);
-	  dcr |= (DDV_TYPE_ACCESS);
-	}
-      write_register (DCR_REGNUM, dcr);
-    }
-  else if (!(dcr & DDA2_ENABLE))
-    {
-      write_register (DDA2_REGNUM, addr);
-      dcr &= ~(DDA2_ASI_MASK & DDV_TYPE_MASK);
-      dcr |= (DDA2_SUP_ASI | DDA2_ENABLE);
-      if (type == 1)
-	{
-	  write_register (DDV1_REGNUM, 0);
-	  write_register (DDV2_REGNUM, 0xffffffff);
-	  dcr |= (DDV_TYPE_LOAD & ~DDV_COND & ~DDV_MASK);
-	}
-      else if (type == 0)
-	{
-	  write_register (DDV1_REGNUM, 0);
-	  write_register (DDV2_REGNUM, 0xffffffff);
-	  dcr |= (DDV_TYPE_STORE & ~DDV_COND & ~DDV_MASK);
-	}
-      else
-	{
-	  write_register (DDV1_REGNUM, 0);
-	  write_register (DDV2_REGNUM, 0xffffffff);
-	  dcr |= (DDV_TYPE_ACCESS);
-	}
-      write_register (DCR_REGNUM, dcr);
-    }
-  else
-    return -1;
-
-  return 0;
-} 
-
-int
-sparclite_remove_watchpoint (addr, len, type)
-     CORE_ADDR addr;
-     int len;
-     int type;
-{
-  CORE_ADDR dcr, dda1, dda2;
-
-  dcr = read_register (DCR_REGNUM);
-  dda1 = read_register (DDA1_REGNUM);
-  dda2 = read_register (DDA2_REGNUM);
-
-  if ((dcr & DDA1_ENABLE) && addr == dda1)
-    write_register (DCR_REGNUM, (dcr & ~DDA1_ENABLE));
-  else if ((dcr & DDA2_ENABLE) && addr == dda2)
-    write_register (DCR_REGNUM, (dcr & ~DDA2_ENABLE));
-  else
-    return -1;
-
-  return 0;
-}
-
-int
-sparclite_insert_hw_breakpoint (addr, len)
-     CORE_ADDR addr;
-     int len;
-{
-  CORE_ADDR dcr;
-
-  dcr = read_register (DCR_REGNUM);
-  
-  if (!(dcr & DIA1_ENABLE))
-    {
-      write_register (DIA1_REGNUM, addr);
-      write_register (DCR_REGNUM, (dcr | DIA1_ENABLE | DIA1_SUP_MODE));
-    }
-  else if (!(dcr & DIA2_ENABLE))
-    {
-      write_register (DIA2_REGNUM, addr);
-      write_register (DCR_REGNUM, (dcr | DIA2_ENABLE | DIA2_SUP_MODE));
-    }
-  else
-    return -1;
-
-  return 0;
-}
-
-int
-sparclite_remove_hw_breakpoint (addr, shadow)
-     CORE_ADDR addr;
-     int shadow;
-{
-  CORE_ADDR dcr, dia1, dia2;
-
-  dcr = read_register (DCR_REGNUM);
-  dia1 = read_register (DIA1_REGNUM);
-  dia2 = read_register (DIA2_REGNUM);
-  
-  if ((dcr & DIA1_ENABLE) && addr == dia1)
-    write_register (DCR_REGNUM, (dcr & ~DIA1_ENABLE));
-  else if ((dcr & DIA2_ENABLE) && addr == dia2)
-    write_register (DCR_REGNUM, (dcr & ~DIA2_ENABLE));
-  else
-    return -1;
-
-  return 0;
-}
-
-int
-sparclite_check_watch_resources (type, cnt, ot)
-     int type;
-     int cnt;
-     int ot;
-{
-  /* Watchpoints not supported on simulator.  */
-  if (strcmp (target_shortname, "sim") == 0)
-    return 0;
-
-  if (type == bp_hardware_breakpoint)
-    {
-      if (TARGET_HW_BREAK_LIMIT == 0)
-	return 0;
-      else if (cnt <= TARGET_HW_BREAK_LIMIT)
-	return 1;
-    }
-  else
-    {
-      if (TARGET_HW_WATCH_LIMIT == 0)
-	return 0;
-      else if (ot)
-	return -1;
-      else if (cnt <= TARGET_HW_WATCH_LIMIT)
-	return 1;
-    }
-  return -1;
-}
-
-CORE_ADDR
-sparclite_stopped_data_address ()
-{
-  CORE_ADDR dsr, dda1, dda2;
-
-  dsr = read_register (DSR_REGNUM);
-  dda1 = read_register (DDA1_REGNUM);
-  dda2 = read_register (DDA2_REGNUM);
-
-  if (dsr & 0x10)
-    return dda1;
-  else if (dsr & 0x20)
-    return dda2;
-  else
-    return 0;
-}
-
-static serial_t
-open_tty (name)
-     char *name;
-{
-  serial_t desc;
-
-  desc = SERIAL_OPEN (name);
-  if (!desc)
-    perror_with_name (name);
-
-  if (baud_rate != -1)
-    {
-      if (SERIAL_SETBAUDRATE (desc, baud_rate))
-	{
-	  SERIAL_CLOSE (desc);
-	  perror_with_name (name);
-	}
-    }
-
-  SERIAL_RAW (desc);
-
-  SERIAL_FLUSH_INPUT (desc);
-
-  return desc;
-}
-
-/* Read a single character from the remote end, masking it down to 7 bits. */
-
-static int
-readchar (desc, timeout)
-     serial_t desc;
-     int timeout;
-{
-  int ch;
-  char s[10];
-
-  ch = SERIAL_READCHAR (desc, timeout);
-
-  switch (ch)
-    {
-    case SERIAL_EOF:
-      error ("SPARClite remote connection closed");
-    case SERIAL_ERROR:
-      perror_with_name ("SPARClite communication error");
-    case SERIAL_TIMEOUT:
-      error ("SPARClite remote timeout");
-    default:
-      if (remote_debug > 0)
-	{
-	  sprintf (s, "[%02x]", ch & 0xff);
-	  puts_debug ("read -->", s, "<--");
-	}
-      return ch;
-    }
-}
-
-static void
-debug_serial_write (desc, buf, len)
-     serial_t desc;
-     char *buf;
-     int len;
-{
-  char s[10];
-
-  SERIAL_WRITE (desc, buf, len);
-  if (remote_debug > 0)
-    {
-      while (len-- > 0)
-	{
-	  sprintf (s, "[%02x]", *buf & 0xff);
-	  puts_debug ("Sent -->", s, "<--");
-	  buf++;
-	}
-    }
-}
-
-
-static int
-send_resp (desc, c)
-     serial_t desc;
-     char c;
-{
-  debug_serial_write (desc, &c, 1);
-  return readchar (desc, remote_timeout);
-}
-
-static void
-close_tty (ignore)
-     int ignore;
-{
-  if (!remote_desc)
-    return;
-
-  SERIAL_CLOSE (remote_desc);
-
-  remote_desc = NULL;
-}
-
-#ifdef HAVE_SOCKETS
-static int
-recv_udp_buf (fd, buf, len, timeout)
-     int fd, len;
-     unsigned char *buf;
-     int timeout;
-{
-  int cc;
-  fd_set readfds;
-
-  FD_ZERO (&readfds);
-  FD_SET (fd, &readfds);
-
-  if (timeout >= 0)
-    {
-      struct timeval timebuf;
-
-      timebuf.tv_sec = timeout;
-      timebuf.tv_usec = 0;
-      cc = select (fd + 1, &readfds, 0, 0, &timebuf);
-    }
-  else
-    cc = select (fd + 1, &readfds, 0, 0, 0);
-
-  if (cc == 0)
-    return 0;
-
-  if (cc != 1)
-    perror_with_name ("recv_udp_buf: Bad return value from select:");
-
-  cc = recv (fd, buf, len, 0);
-
-  if (cc < 0)
-    perror_with_name ("Got an error from recv: ");
-}
-
-static int
-send_udp_buf (fd, buf, len)
-     int fd, len;
-     unsigned char *buf;
-{
-  int cc;
-
-  cc = send (fd, buf, len, 0);
-
-  if (cc == len)
-    return;
-
-  if (cc < 0)
-    perror_with_name ("Got an error from send: ");
-
-  error ("Short count in send: tried %d, sent %d\n", len, cc);
-}
-#endif /* HAVE_SOCKETS */
-
-static void
-sparclite_open (name, from_tty)
-     char *name;
-     int from_tty;
-{
-  struct cleanup *old_chain;
-  int c;
-  char *p;
-
-  if (!name)
-    error ("You need to specify what device or hostname is associated with the SparcLite board.");
-
-  target_preopen (from_tty);
-
-  unpush_target (&sparclite_ops);
-
-  if (remote_target_name)
-    free (remote_target_name);
-
-  remote_target_name = strsave (name);
-
-  /* We need a 'serial' or 'udp' keyword to disambiguate host:port, which can
-     mean either a serial port on a terminal server, or the IP address of a
-     SPARClite demo board.  If there's no colon, then it pretty much has to be
-     a local device (except for DOS... grrmble) */
-
-  p = strchr (name, ' ');
-
-  if (p)
-    {
-      *p++ = '\000';
-      while ((*p != '\000') && isspace (*p)) p++;
-
-      if (strncmp (name, "serial", strlen (name)) == 0)
-	serial_flag = 1;
-      else if (strncmp (name, "udp", strlen (name)) == 0)
-	serial_flag = 0;
-      else
-	error ("Must specify either `serial' or `udp'.");
-    }
-  else
-    {
-      p = name;
-
-      if (!strchr (name, ':'))
-	serial_flag = 1;	/* No colon is unambiguous (local device) */
-      else
-	error ("Usage: target sparclite serial /dev/ttyb\n\
-or: target sparclite udp host");
-    }
-
-  if (serial_flag)
-    {
-      remote_desc = open_tty (p);
-
-      old_chain = make_cleanup ((make_cleanup_func) close_tty, 0);
-
-      c = send_resp (remote_desc, 0x00);
-
-      if (c != 0xaa)
-	error ("Unknown response (0x%x) from SparcLite.  Try resetting the board.",
-	       c);
-
-      c = send_resp (remote_desc, 0x55);
-
-      if (c != 0x55)
-	error ("Sparclite appears to be ill.");
-    }
-  else
-    {
-#ifdef HAVE_SOCKETS
-      struct hostent *he;
-      struct sockaddr_in sockaddr;
-      unsigned char buffer[100];
-      int cc;
-
-      /* Setup the socket.  Must be raw UDP. */
-
-      he = gethostbyname (p);
-
-      if (!he)
-	error ("No such host %s.", p);
-
-      udp_fd = socket (PF_INET, SOCK_DGRAM, 0);
-
-      old_chain = make_cleanup (close, udp_fd);
-
-      sockaddr.sin_family = PF_INET;
-      sockaddr.sin_port = htons(7000);
-      memcpy (&sockaddr.sin_addr.s_addr, he->h_addr, sizeof (struct in_addr));
-
-      if (connect (udp_fd, &sockaddr, sizeof(sockaddr)))
-	perror_with_name ("Connect failed");
-
-      buffer[0] = 0x5;
-      buffer[1] = 0;
-
-      send_udp_buf (udp_fd, buffer, 2);	/* Request version */
-      cc = recv_udp_buf (udp_fd, buffer, sizeof(buffer), 5); /* Get response */
-      if (cc == 0)
-	error ("SPARClite isn't responding.");
-
-      if (cc < 3)
-	error ("SPARClite appears to be ill.");
-#else
-      error ("UDP downloading is not supported for DOS hosts.");
-#endif /* HAVE_SOCKETS */
-    }
-
-  printf_unfiltered ("[SPARClite appears to be alive]\n");
-
-  push_target (&sparclite_ops);
-
-  discard_cleanups (old_chain);
-
-  return;
-}
-
-static void
-sparclite_close (quitting)
-     int quitting;
-{
-  if (serial_flag)
-    close_tty (0);
-#ifdef HAVE_SOCKETS
-  else
-    if (udp_fd != -1)
-      close (udp_fd);
-#endif
-}
-
-#define LOAD_ADDRESS 0x40000000
-
-static void
-download (target_name, args, from_tty, write_routine, start_routine)
-     char *target_name;
-     char *args;
-     int from_tty;
-     void (*write_routine) PARAMS ((bfd *from_bfd, asection *from_sec,
-				    file_ptr from_addr, bfd_vma to_addr, int len));
-     void (*start_routine) PARAMS ((bfd_vma entry));
-{
-  struct cleanup *old_chain;
-  asection *section;
-  bfd *pbfd;
-  bfd_vma entry;
-  int i;
-#define WRITESIZE 1024
-  char *filename;
-  int quiet;
-  int nostart;
-
-  quiet = 0;
-  nostart = 0;
-  filename = NULL;
-
-  while (*args != '\000')
-    {
-      char *arg;
-
-      while (isspace (*args)) args++;
-
-      arg = args;
-
-      while ((*args != '\000') && !isspace (*args)) args++;
-
-      if (*args != '\000')
-	*args++ = '\000';
-
-      if (*arg != '-')
-	filename = arg;
-      else if (strncmp (arg, "-quiet", strlen (arg)) == 0)
-	quiet = 1;
-      else if (strncmp (arg, "-nostart", strlen (arg)) == 0)
-	nostart = 1;
-      else
-	error ("unknown option `%s'", arg);
-    }
-
-  if (!filename)
-    filename = get_exec_file (1);
-
-  pbfd = bfd_openr (filename, gnutarget);
-  if (pbfd == NULL)
-    {
-      perror_with_name (filename);
-      return;
-    }
-  old_chain = make_cleanup ((make_cleanup_func) bfd_close, pbfd);
-
-  if (!bfd_check_format (pbfd, bfd_object)) 
-    error ("\"%s\" is not an object file: %s", filename,
-	   bfd_errmsg (bfd_get_error ()));
-
-  for (section = pbfd->sections; section; section = section->next) 
-    {
-      if (bfd_get_section_flags (pbfd, section) & SEC_LOAD)
-	{
-	  bfd_vma	section_address;
-	  bfd_size_type section_size;
-	  file_ptr	fptr;
-	  const char   *section_name;
-
-	  section_name = bfd_get_section_name(pbfd, section);
-
-	  section_address = bfd_get_section_vma (pbfd, section);
-
-	  /* Adjust sections from a.out files, since they don't
-	     carry their addresses with.  */
-	  if (bfd_get_flavour (pbfd) == bfd_target_aout_flavour)
-	    {
-	      if (strcmp (section_name, ".text") == 0)
-		section_address = bfd_get_start_address (pbfd);
-	      else if (strcmp (section_name, ".data") == 0)
-		{
-		  /* Read the first 8 bytes of the data section.
-		     There should be the string 'DaTa' followed by
-		     a word containing the actual section address. */
-		  struct data_marker
-		  {
-		    char signature[4];	/* 'DaTa' */
-		    unsigned char sdata[4];	/* &sdata */
-		  } marker;
-		  bfd_get_section_contents (pbfd, section, &marker, 0,
-					    sizeof (marker));
-		  if (strncmp (marker.signature, "DaTa", 4) == 0)
-		    {
-		      if (TARGET_BYTE_ORDER == BIG_ENDIAN)
-			section_address = bfd_getb32 (marker.sdata);
-		      else
-			section_address = bfd_getl32 (marker.sdata);
-		    }
-		}
-	    }
-
-	  section_size = bfd_get_section_size_before_reloc (section);
-
-	  if (!quiet)
-	    printf_filtered ("[Loading section %s at 0x%x (%d bytes)]\n",
-			     bfd_get_section_name (pbfd, section),
-			     section_address,
-			     section_size);
-
-	  fptr = 0;
-	  while (section_size > 0)
-	    {
-	      int count;
-	      static char inds[] = "|/-\\";
-	      static int k = 0;
-
-	      QUIT;
-
-	      count = min (section_size, WRITESIZE);
-
-	      write_routine (pbfd, section, fptr, section_address, count);
-
-	      if (!quiet)
-		{
-		  printf_unfiltered ("\r%c", inds[k++ % 4]);
-		  gdb_flush (gdb_stdout);
-		}
-
-	      section_address += count;
-	      fptr += count;
-	      section_size -= count;
-	    }
-	}
-    }
-
-  if (!nostart)
-    {
-      entry = bfd_get_start_address (pbfd);
-
-      if (!quiet)
-	printf_unfiltered ("[Starting %s at 0x%x]\n", filename, entry);
-
-      start_routine (entry);
-    }
-
-  do_cleanups (old_chain);
-}
-
-static void
-sparclite_serial_start (entry)
-     bfd_vma entry;
-{
-  char buffer[5];
-  int i;
-
-  buffer[0] = 0x03;
-  store_unsigned_integer (buffer + 1, 4, entry);
-
-  debug_serial_write (remote_desc, buffer, 1 + 4);
-  i = readchar (remote_desc, remote_timeout);
-  if (i != 0x55)
-    error ("Can't start SparcLite.  Error code %d\n", i);
-}
-
-static void
-sparclite_serial_write (from_bfd, from_sec, from_addr, to_addr, len)
-     bfd *from_bfd;
-     asection *from_sec;
-     file_ptr from_addr;
-     bfd_vma to_addr;
-     int len;
-{
-  char buffer[4 + 4 + WRITESIZE]; /* addr + len + data */
-  unsigned char checksum;
-  int i;
-
-  store_unsigned_integer (buffer, 4, to_addr); /* Address */
-  store_unsigned_integer (buffer + 4, 4, len); /* Length */
-
-  bfd_get_section_contents (from_bfd, from_sec, buffer + 8, from_addr, len);
-
-  checksum = 0;
-  for (i = 0; i < len; i++)
-    checksum += buffer[8 + i];
-
-  i = send_resp (remote_desc, 0x01);
-
-  if (i != 0x5a)
-    error ("Bad response from load command (0x%x)", i);
-
-  debug_serial_write (remote_desc, buffer, 4 + 4 + len);
-  i = readchar (remote_desc, remote_timeout);
-
-  if (i != checksum)
-    error ("Bad checksum from load command (0x%x)", i);
-}
-
-#ifdef HAVE_SOCKETS
-
-static unsigned short
-calc_checksum (buffer, count)
-     unsigned char *buffer;
-     int count;
-{
-  unsigned short checksum;
-
-  checksum = 0;
-  for (; count > 0; count -= 2, buffer += 2)
-    checksum += (*buffer << 8) | *(buffer + 1);
-
-  if (count != 0)
-    checksum += *buffer << 8;
-
-  return checksum;
-}
-
-static void
-sparclite_udp_start (entry)
-     bfd_vma entry;
-{
-  unsigned char buffer[6];
-  int i;
-
-  buffer[0] = 0x3;
-  buffer[1] = 0;
-  buffer[2] = entry >> 24;
-  buffer[3] = entry >> 16;
-  buffer[4] = entry >> 8;
-  buffer[5] = entry;
-
-  send_udp_buf (udp_fd, buffer, 6); /* Send start addr */
-  i = recv_udp_buf (udp_fd, buffer, sizeof(buffer), -1); /* Get response */
-
-  if (i < 1 || buffer[0] != 0x55)
-    error ("Failed to take start address.");
-}
-
-static void
-sparclite_udp_write (from_bfd, from_sec, from_addr, to_addr, len)
-     bfd *from_bfd;
-     asection *from_sec;
-     file_ptr from_addr;
-     bfd_vma to_addr;
-     int len;
-{
-  unsigned char buffer[2000];
-  unsigned short checksum;
-  static int pkt_num = 0;
-  static unsigned long old_addr = -1;
-  int i;
-
-  while (1)
-    {
-      if (to_addr != old_addr)
-	{
-	  buffer[0] = 0x1;	/* Load command */
-	  buffer[1] = 0x1;	/* Loading address */
-	  buffer[2] = to_addr >> 24;
-	  buffer[3] = to_addr >> 16;
-	  buffer[4] = to_addr >> 8;
-	  buffer[5] = to_addr;
-
-	  checksum = 0;
-	  for (i = 0; i < 6; i++)
-	    checksum += buffer[i];
-	  checksum &= 0xff;
-
-	  send_udp_buf (udp_fd, buffer, 6);
-	  i = recv_udp_buf (udp_fd, buffer, sizeof buffer, -1);
-
-	  if (i < 1)
-	    error ("Got back short checksum for load addr.");
-
-	  if (checksum != buffer[0])
-	    error ("Got back bad checksum for load addr.");
-
-	  pkt_num = 0;		/* Load addr resets packet seq # */
-	  old_addr = to_addr;
-	}
-
-      bfd_get_section_contents (from_bfd, from_sec, buffer + 6, from_addr,
-				len);
-
-      checksum = calc_checksum (buffer + 6, len);
-
-      buffer[0] = 0x1;		/* Load command */
-      buffer[1] = 0x2;		/* Loading data */
-      buffer[2] = pkt_num >> 8;
-      buffer[3] = pkt_num;
-      buffer[4] = checksum >> 8;
-      buffer[5] = checksum;
-
-      send_udp_buf (udp_fd, buffer, len + 6);
-      i = recv_udp_buf (udp_fd, buffer, sizeof buffer, 3);
-
-      if (i == 0)
-	{
-	  fprintf_unfiltered (gdb_stderr, "send_data: timeout sending %d bytes to address 0x%x retrying\n", len, to_addr);
-	  continue;
-	}
-
-      if (buffer[0] != 0xff)
-	error ("Got back bad response for load data.");
-
-      old_addr += len;
-      pkt_num++;
-
-      return;
-    }
-}
-
-#endif /* HAVE_SOCKETS */
-
-static void
-sparclite_download (filename, from_tty)
-     char *filename;
-     int from_tty;
-{
-  if (!serial_flag)
-#ifdef HAVE_SOCKETS
-    download (remote_target_name, filename, from_tty, sparclite_udp_write,
-	      sparclite_udp_start);
-#else
-    abort ();			/* sparclite_open should prevent this! */
-#endif
-  else
-    download (remote_target_name, filename, from_tty, sparclite_serial_write,
-	      sparclite_serial_start);
-}
-
-/* Define the target subroutine names */
-
-static struct target_ops sparclite_ops ;
-
-static void 
-init_sparclite_ops(void)
-{
-  sparclite_ops.to_shortname =   "sparclite";		
-  sparclite_ops.to_longname =   "SPARClite remote target";
-  sparclite_ops.to_doc =   "Use a remote SPARClite target board via a serial line; using a gdb-specific protocol.\n\
-Specify the serial device it is connected to (e.g. /dev/ttya).";  
-  sparclite_ops.to_open =   sparclite_open;	
-  sparclite_ops.to_close =   sparclite_close;	
-  sparclite_ops.to_attach =   0;	
-  sparclite_ops.to_post_attach = NULL;
-  sparclite_ops.to_require_attach = NULL;
-  sparclite_ops.to_detach =   0;
-  sparclite_ops.to_require_detach = NULL;	
-  sparclite_ops.to_resume =   0;	
-  sparclite_ops.to_wait  =   0;
-  sparclite_ops.to_post_wait = NULL;		
-  sparclite_ops.to_fetch_registers  =   0;
-  sparclite_ops.to_store_registers  =   0;
-  sparclite_ops.to_prepare_to_store =   0;
-  sparclite_ops.to_xfer_memory  =   0;		
-  sparclite_ops.to_files_info  =   0;		
-  sparclite_ops.to_insert_breakpoint =   0;	
-  sparclite_ops.to_remove_breakpoint =   0;	
-  sparclite_ops.to_terminal_init  =   0;	
-  sparclite_ops.to_terminal_inferior =   0;	
-  sparclite_ops.to_terminal_ours_for_output =   0;
-  sparclite_ops.to_terminal_ours  =   0;		
-  sparclite_ops.to_terminal_info  =   0;		
-  sparclite_ops.to_kill  =   0;			
-  sparclite_ops.to_load  =   sparclite_download;
-  sparclite_ops.to_lookup_symbol =   0;		
-  sparclite_ops.to_create_inferior =   0;
-  sparclite_ops.to_post_startup_inferior = NULL;
-  sparclite_ops.to_acknowledge_created_inferior = NULL;
-  sparclite_ops.to_clone_and_follow_inferior = NULL;
-  sparclite_ops.to_post_follow_inferior_by_clone = NULL;
-  sparclite_ops.to_insert_fork_catchpoint = NULL;
-  sparclite_ops.to_remove_fork_catchpoint = NULL;
-  sparclite_ops.to_insert_vfork_catchpoint = NULL;
-  sparclite_ops.to_remove_vfork_catchpoint = NULL;
-  sparclite_ops.to_has_forked = NULL;
-  sparclite_ops.to_has_vforked = NULL;
-  sparclite_ops.to_can_follow_vfork_prior_to_exec = NULL;
-  sparclite_ops.to_post_follow_vfork = NULL;	
-  sparclite_ops.to_insert_exec_catchpoint = NULL;
-  sparclite_ops.to_remove_exec_catchpoint = NULL;
-  sparclite_ops.to_has_execd = NULL;
-  sparclite_ops.to_reported_exec_events_per_exec_call = NULL;
-  sparclite_ops.to_has_exited = NULL;
-  sparclite_ops.to_mourn_inferior =   0;	
-  sparclite_ops.to_can_run  =   0;		
-  sparclite_ops.to_notice_signals =   0;	
-  sparclite_ops.to_thread_alive  =   0;		
-  sparclite_ops.to_stop  =   0;
-  sparclite_ops.to_pid_to_exec_file = NULL;	
-  sparclite_ops.to_core_file_to_sym_file = NULL;		
-  sparclite_ops.to_stratum =   download_stratum;
-  sparclite_ops.DONT_USE =   0;			
-  sparclite_ops.to_has_all_memory =   0;	
-  sparclite_ops.to_has_memory =   0;		
-  sparclite_ops.to_has_stack =   0;		
-  sparclite_ops.to_has_registers =   0;		
-  sparclite_ops.to_has_execution =   0;		
-  sparclite_ops.to_sections =   0;		
-  sparclite_ops.to_sections_end =   0;		
-  sparclite_ops.to_magic =   OPS_MAGIC	;	
-} /* init_sparclite_ops */
-
-void
-_initialize_sparcl_tdep ()
-{
-  init_sparclite_ops() ;
-  add_target (&sparclite_ops);
-}