gdb/remote-nindy.c

   1 // OBSOLETE /* Memory-access and commands for remote NINDY process, for GDB.
   2 // OBSOLETE
   3 // OBSOLETE    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
   4 // OBSOLETE    2000, 2001, 2002 Free Software Foundation, Inc.
   5 // OBSOLETE
   6 // OBSOLETE    Contributed by Intel Corporation.  Modified from remote.c by Chris Benenati.
   7 // OBSOLETE
   8 // OBSOLETE    GDB is distributed in the hope that it will be useful, but WITHOUT ANY
   9 // OBSOLETE    WARRANTY.  No author or distributor accepts responsibility to anyone
  10 // OBSOLETE    for the consequences of using it or for whether it serves any
  11 // OBSOLETE    particular purpose or works at all, unless he says so in writing.
  12 // OBSOLETE    Refer to the GDB General Public License for full details.
  13 // OBSOLETE
  14 // OBSOLETE    Everyone is granted permission to copy, modify and redistribute GDB,
  15 // OBSOLETE    but only under the conditions described in the GDB General Public
  16 // OBSOLETE    License.  A copy of this license is supposed to have been given to you
  17 // OBSOLETE    along with GDB so you can know your rights and responsibilities.  It
  18 // OBSOLETE    should be in a file named COPYING.  Among other things, the copyright
  19 // OBSOLETE    notice and this notice must be preserved on all copies.
  20 // OBSOLETE
  21 // OBSOLETE    In other words, go ahead and share GDB, but don't try to stop
  22 // OBSOLETE    anyone else from sharing it farther.  Help stamp out software hoarding!  */
  23 // OBSOLETE
  24 // OBSOLETE /*
  25 // OBSOLETE    Except for the data cache routines, this file bears little resemblence
  26 // OBSOLETE    to remote.c.  A new (although similar) protocol has been specified, and
  27 // OBSOLETE    portions of the code are entirely dependent on having an i80960 with a
  28 // OBSOLETE    NINDY ROM monitor at the other end of the line.
  29 // OBSOLETE  */
  30 // OBSOLETE
  31 // OBSOLETE /*****************************************************************************
  32 // OBSOLETE  *
  33 // OBSOLETE  * REMOTE COMMUNICATION PROTOCOL BETWEEN GDB960 AND THE NINDY ROM MONITOR.
  34 // OBSOLETE  *
  35 // OBSOLETE  *
  36 // OBSOLETE  * MODES OF OPERATION
  37 // OBSOLETE  * ----- -- ---------
  38 // OBSOLETE  *
  39 // OBSOLETE  * As far as NINDY is concerned, GDB is always in one of two modes: command
  40 // OBSOLETE  * mode or passthrough mode.
  41 // OBSOLETE  *
  42 // OBSOLETE  * In command mode (the default) pre-defined packets containing requests
  43 // OBSOLETE  * are sent by GDB to NINDY.  NINDY never talks except in reponse to a request.
  44 // OBSOLETE  *
  45 // OBSOLETE  * Once the the user program is started, GDB enters passthrough mode, to give
  46 // OBSOLETE  * the user program access to the terminal.  GDB remains in this mode until
  47 // OBSOLETE  * NINDY indicates that the program has stopped.
  48 // OBSOLETE  *
  49 // OBSOLETE  *
  50 // OBSOLETE  * PASSTHROUGH MODE
  51 // OBSOLETE  * ----------- ----
  52 // OBSOLETE  *
  53 // OBSOLETE  * GDB writes all input received from the keyboard directly to NINDY, and writes
  54 // OBSOLETE  * all characters received from NINDY directly to the monitor.
  55 // OBSOLETE  *
  56 // OBSOLETE  * Keyboard input is neither buffered nor echoed to the monitor.
  57 // OBSOLETE  *
  58 // OBSOLETE  * GDB remains in passthrough mode until NINDY sends a single ^P character,
  59 // OBSOLETE  * to indicate that the user process has stopped.
  60 // OBSOLETE  *
  61 // OBSOLETE  * Note:
  62 // OBSOLETE  *  GDB assumes NINDY performs a 'flushreg' when the user program stops.
  63 // OBSOLETE  *
  64 // OBSOLETE  *
  65 // OBSOLETE  * COMMAND MODE
  66 // OBSOLETE  * ------- ----
  67 // OBSOLETE  *
  68 // OBSOLETE  * All info (except for message ack and nak) is transferred between gdb
  69 // OBSOLETE  * and the remote processor in messages of the following format:
  70 // OBSOLETE  *
  71 // OBSOLETE  *          <info>#<checksum>
  72 // OBSOLETE  *
  73 // OBSOLETE  * where
  74 // OBSOLETE  *  #       is a literal character
  75 // OBSOLETE  *
  76 // OBSOLETE  *  <info>  ASCII information;  all numeric information is in the
  77 // OBSOLETE  *          form of hex digits ('0'-'9' and lowercase 'a'-'f').
  78 // OBSOLETE  *
  79 // OBSOLETE  *  <checksum>
  80 // OBSOLETE  *          is a pair of ASCII hex digits representing an 8-bit
  81 // OBSOLETE  *          checksum formed by adding together each of the
  82 // OBSOLETE  *          characters in <info>.
  83 // OBSOLETE  *
  84 // OBSOLETE  * The receiver of a message always sends a single character to the sender
  85 // OBSOLETE  * to indicate that the checksum was good ('+') or bad ('-');  the sender
  86 // OBSOLETE  * re-transmits the entire message over until a '+' is received.
  87 // OBSOLETE  *
  88 // OBSOLETE  * In response to a command NINDY always sends back either data or
  89 // OBSOLETE  * a result code of the form "Xnn", where "nn" are hex digits and "X00"
  90 // OBSOLETE  * means no errors.  (Exceptions: the "s" and "c" commands don't respond.)
  91 // OBSOLETE  *
  92 // OBSOLETE  * SEE THE HEADER OF THE FILE "gdb.c" IN THE NINDY MONITOR SOURCE CODE FOR A
  93 // OBSOLETE  * FULL DESCRIPTION OF LEGAL COMMANDS.
  94 // OBSOLETE  *
  95 // OBSOLETE  * SEE THE FILE "stop.h" IN THE NINDY MONITOR SOURCE CODE FOR A LIST
  96 // OBSOLETE  * OF STOP CODES.
  97 // OBSOLETE  *
  98 // OBSOLETE  ***************************************************************************/
  99 // OBSOLETE
 100 // OBSOLETE #include "defs.h"
 101 // OBSOLETE #include <signal.h>
 102 // OBSOLETE #include <sys/types.h>
 103 // OBSOLETE #include <setjmp.h>
 104 // OBSOLETE
 105 // OBSOLETE #include "frame.h"
 106 // OBSOLETE #include "inferior.h"
 107 // OBSOLETE #include "bfd.h"
 108 // OBSOLETE #include "symfile.h"
 109 // OBSOLETE #include "target.h"
 110 // OBSOLETE #include "gdbcore.h"
 111 // OBSOLETE #include "command.h"
 112 // OBSOLETE #include "floatformat.h"
 113 // OBSOLETE #include "regcache.h"
 114 // OBSOLETE
 115 // OBSOLETE #include <sys/file.h>
 116 // OBSOLETE #include <ctype.h>
 117 // OBSOLETE #include "serial.h"
 118 // OBSOLETE #include "nindy-share/env.h"
 119 // OBSOLETE #include "nindy-share/stop.h"
 120 // OBSOLETE #include "remote-utils.h"
 121 // OBSOLETE
 122 // OBSOLETE extern int unlink ();
 123 // OBSOLETE extern char *getenv ();
 124 // OBSOLETE extern char *mktemp ();
 125 // OBSOLETE
 126 // OBSOLETE extern void generic_mourn_inferior ();
 127 // OBSOLETE
 128 // OBSOLETE extern struct target_ops nindy_ops;
 129 // OBSOLETE extern FILE *instream;
 130 // OBSOLETE
 131 // OBSOLETE extern char ninStopWhy ();
 132 // OBSOLETE extern int ninMemGet ();
 133 // OBSOLETE extern int ninMemPut ();
 134 // OBSOLETE
 135 // OBSOLETE int nindy_initial_brk;              /* nonzero if want to send an initial BREAK to nindy */
 136 // OBSOLETE int nindy_old_protocol;             /* nonzero if want to use old protocol */
 137 // OBSOLETE char *nindy_ttyname;                /* name of tty to talk to nindy on, or null */
 138 // OBSOLETE
 139 // OBSOLETE #define DLE '\020'          /* Character NINDY sends to indicate user program has
 140 // OBSOLETE                                * halted.  */
 141 // OBSOLETE #define TRUE        1
 142 // OBSOLETE #define FALSE       0
 143 // OBSOLETE
 144 // OBSOLETE /* From nindy-share/nindy.c.  */
 145 // OBSOLETE extern struct serial *nindy_serial;
 146 // OBSOLETE
 147 // OBSOLETE static int have_regs = 0;   /* 1 iff regs read since i960 last halted */
 148 // OBSOLETE static int regs_changed = 0;        /* 1 iff regs were modified since last read */
 149 // OBSOLETE
 150 // OBSOLETE extern char *exists ();
 151 // OBSOLETE
 152 // OBSOLETE static void nindy_fetch_registers (int);
 153 // OBSOLETE
 154 // OBSOLETE static void nindy_store_registers (int);
 155 // OBSOLETE \f
 156 // OBSOLETE static char *savename;
 157 // OBSOLETE
 158 // OBSOLETE static void
 159 // OBSOLETE nindy_close (int quitting)
 160 // OBSOLETE {
 161 // OBSOLETE   if (nindy_serial != NULL)
 162 // OBSOLETE     serial_close (nindy_serial);
 163 // OBSOLETE   nindy_serial = NULL;
 164 // OBSOLETE
 165 // OBSOLETE   if (savename)
 166 // OBSOLETE     xfree (savename);
 167 // OBSOLETE   savename = 0;
 168 // OBSOLETE }
 169 // OBSOLETE
 170 // OBSOLETE /* Open a connection to a remote debugger.
 171 // OBSOLETE    FIXME, there should be "set" commands for the options that are
 172 // OBSOLETE    now specified with gdb command-line options (old_protocol,
 173 // OBSOLETE    and initial_brk).  */
 174 // OBSOLETE void
 175 // OBSOLETE nindy_open (char *name,             /* "/dev/ttyXX", "ttyXX", or "XX": tty to be opened */
 176 // OBSOLETE         int from_tty)
 177 // OBSOLETE {
 178 // OBSOLETE   char baudrate[1024];
 179 // OBSOLETE
 180 // OBSOLETE   if (!name)
 181 // OBSOLETE     error_no_arg ("serial port device name");
 182 // OBSOLETE
 183 // OBSOLETE   target_preopen (from_tty);
 184 // OBSOLETE
 185 // OBSOLETE   nindy_close (0);
 186 // OBSOLETE
 187 // OBSOLETE   have_regs = regs_changed = 0;
 188 // OBSOLETE
 189 // OBSOLETE   /* Allow user to interrupt the following -- we could hang if there's
 190 // OBSOLETE      no NINDY at the other end of the remote tty.  */
 191 // OBSOLETE   immediate_quit++;
 192 // OBSOLETE   /* If baud_rate is -1, then ninConnect will not recognize the baud rate
 193 // OBSOLETE      and will deal with the situation in a (more or less) reasonable
 194 // OBSOLETE      fashion.  */
 195 // OBSOLETE   sprintf (baudrate, "%d", baud_rate);
 196 // OBSOLETE   ninConnect (name, baudrate,
 197 // OBSOLETE           nindy_initial_brk, !from_tty, nindy_old_protocol);
 198 // OBSOLETE   immediate_quit--;
 199 // OBSOLETE
 200 // OBSOLETE   if (nindy_serial == NULL)
 201 // OBSOLETE     {
 202 // OBSOLETE       perror_with_name (name);
 203 // OBSOLETE     }
 204 // OBSOLETE
 205 // OBSOLETE   savename = savestring (name, strlen (name));
 206 // OBSOLETE   push_target (&nindy_ops);
 207 // OBSOLETE
 208 // OBSOLETE   target_fetch_registers (-1);
 209 // OBSOLETE
 210 // OBSOLETE   init_thread_list ();
 211 // OBSOLETE   init_wait_for_inferior ();
 212 // OBSOLETE   clear_proceed_status ();
 213 // OBSOLETE   normal_stop ();
 214 // OBSOLETE }
 215 // OBSOLETE
 216 // OBSOLETE /* User-initiated quit of nindy operations.  */
 217 // OBSOLETE
 218 // OBSOLETE static void
 219 // OBSOLETE nindy_detach (char *name, int from_tty)
 220 // OBSOLETE {
 221 // OBSOLETE   if (name)
 222 // OBSOLETE     error ("Too many arguments");
 223 // OBSOLETE   pop_target ();
 224 // OBSOLETE }
 225 // OBSOLETE
 226 // OBSOLETE static void
 227 // OBSOLETE nindy_files_info (void)
 228 // OBSOLETE {
 229 // OBSOLETE   /* FIXME: this lies about the baud rate if we autobauded.  */
 230 // OBSOLETE   printf_unfiltered ("\tAttached to %s at %d bits per second%s%s.\n", savename,
 231 // OBSOLETE                  baud_rate,
 232 // OBSOLETE                  nindy_old_protocol ? " in old protocol" : "",
 233 // OBSOLETE                  nindy_initial_brk ? " with initial break" : "");
 234 // OBSOLETE }
 235 // OBSOLETE \f
 236 // OBSOLETE /* Return the number of characters in the buffer BUF before
 237 // OBSOLETE    the first DLE character.  N is maximum number of characters to
 238 // OBSOLETE    consider.  */
 239 // OBSOLETE
 240 // OBSOLETE static
 241 // OBSOLETE int
 242 // OBSOLETE non_dle (char *buf, int n)
 243 // OBSOLETE {
 244 // OBSOLETE   int i;
 245 // OBSOLETE
 246 // OBSOLETE   for (i = 0; i < n; i++)
 247 // OBSOLETE     {
 248 // OBSOLETE       if (buf[i] == DLE)
 249 // OBSOLETE     {
 250 // OBSOLETE       break;
 251 // OBSOLETE     }
 252 // OBSOLETE     }
 253 // OBSOLETE   return i;
 254 // OBSOLETE }
 255 // OBSOLETE \f
 256 // OBSOLETE /* Tell the remote machine to resume.  */
 257 // OBSOLETE
 258 // OBSOLETE void
 259 // OBSOLETE nindy_resume (ptid_t ptid, int step, enum target_signal siggnal)
 260 // OBSOLETE {
 261 // OBSOLETE   if (siggnal != TARGET_SIGNAL_0 && siggnal != stop_signal)
 262 // OBSOLETE     warning ("Can't send signals to remote NINDY targets.");
 263 // OBSOLETE
 264 // OBSOLETE   if (regs_changed)
 265 // OBSOLETE     {
 266 // OBSOLETE       nindy_store_registers (-1);
 267 // OBSOLETE       regs_changed = 0;
 268 // OBSOLETE     }
 269 // OBSOLETE   have_regs = 0;
 270 // OBSOLETE   ninGo (step);
 271 // OBSOLETE }
 272 // OBSOLETE \f
 273 // OBSOLETE /* FIXME, we can probably use the normal terminal_inferior stuff here.
 274 // OBSOLETE    We have to do terminal_inferior and then set up the passthrough
 275 // OBSOLETE    settings initially.  Thereafter, terminal_ours and terminal_inferior
 276 // OBSOLETE    will automatically swap the settings around for us.  */
 277 // OBSOLETE
 278 // OBSOLETE struct clean_up_tty_args
 279 // OBSOLETE {
 280 // OBSOLETE   serial_ttystate state;
 281 // OBSOLETE   struct serial *serial;
 282 // OBSOLETE };
 283 // OBSOLETE static struct clean_up_tty_args tty_args;
 284 // OBSOLETE
 285 // OBSOLETE static void
 286 // OBSOLETE clean_up_tty (PTR ptrarg)
 287 // OBSOLETE {
 288 // OBSOLETE   struct clean_up_tty_args *args = (struct clean_up_tty_args *) ptrarg;
 289 // OBSOLETE   serial_set_tty_state (args->serial, args->state);
 290 // OBSOLETE   xfree (args->state);
 291 // OBSOLETE   warning ("\n\nYou may need to reset the 80960 and/or reload your program.\n");
 292 // OBSOLETE }
 293 // OBSOLETE
 294 // OBSOLETE /* Recover from ^Z or ^C while remote process is running */
 295 // OBSOLETE static void (*old_ctrlc) ();
 296 // OBSOLETE #ifdef SIGTSTP
 297 // OBSOLETE static void (*old_ctrlz) ();
 298 // OBSOLETE #endif
 299 // OBSOLETE
 300 // OBSOLETE static void
 301 // OBSOLETE clean_up_int (void)
 302 // OBSOLETE {
 303 // OBSOLETE   serial_set_tty_state (tty_args.serial, tty_args.state);
 304 // OBSOLETE   xfree (tty_args.state);
 305 // OBSOLETE
 306 // OBSOLETE   signal (SIGINT, old_ctrlc);
 307 // OBSOLETE #ifdef SIGTSTP
 308 // OBSOLETE   signal (SIGTSTP, old_ctrlz);
 309 // OBSOLETE #endif
 310 // OBSOLETE   error ("\n\nYou may need to reset the 80960 and/or reload your program.\n");
 311 // OBSOLETE }
 312 // OBSOLETE
 313 // OBSOLETE /* Wait until the remote machine stops. While waiting, operate in passthrough
 314 // OBSOLETE  * mode; i.e., pass everything NINDY sends to gdb_stdout, and everything from
 315 // OBSOLETE  * stdin to NINDY.
 316 // OBSOLETE  *
 317 // OBSOLETE  * Return to caller, storing status in 'status' just as `wait' would.
 318 // OBSOLETE  */
 319 // OBSOLETE
 320 // OBSOLETE static ptid_t
 321 // OBSOLETE nindy_wait (ptid_t ptid, struct target_waitstatus *status)
 322 // OBSOLETE {
 323 // OBSOLETE   fd_set fds;
 324 // OBSOLETE   int c;
 325 // OBSOLETE   char buf[2];
 326 // OBSOLETE   int i, n;
 327 // OBSOLETE   unsigned char stop_exit;
 328 // OBSOLETE   unsigned char stop_code;
 329 // OBSOLETE   struct cleanup *old_cleanups;
 330 // OBSOLETE   long ip_value, fp_value, sp_value;        /* Reg values from stop */
 331 // OBSOLETE
 332 // OBSOLETE   status->kind = TARGET_WAITKIND_EXITED;
 333 // OBSOLETE   status->value.integer = 0;
 334 // OBSOLETE
 335 // OBSOLETE   /* OPERATE IN PASSTHROUGH MODE UNTIL NINDY SENDS A DLE CHARACTER */
 336 // OBSOLETE
 337 // OBSOLETE   /* Save current tty attributes, and restore them when done.  */
 338 // OBSOLETE   tty_args.serial = serial_fdopen (0);
 339 // OBSOLETE   tty_args.state = serial_get_tty_state (tty_args.serial);
 340 // OBSOLETE   old_ctrlc = signal (SIGINT, clean_up_int);
 341 // OBSOLETE #ifdef SIGTSTP
 342 // OBSOLETE   old_ctrlz = signal (SIGTSTP, clean_up_int);
 343 // OBSOLETE #endif
 344 // OBSOLETE
 345 // OBSOLETE   old_cleanups = make_cleanup (clean_up_tty, &tty_args);
 346 // OBSOLETE
 347 // OBSOLETE   /* Pass input from keyboard to NINDY as it arrives.  NINDY will interpret
 348 // OBSOLETE      <CR> and perform echo.  */
 349 // OBSOLETE   /* This used to set CBREAK and clear ECHO and CRMOD.  I hope this is close
 350 // OBSOLETE      enough.  */
 351 // OBSOLETE   serial_raw (tty_args.serial);
 352 // OBSOLETE
 353 // OBSOLETE   while (1)
 354 // OBSOLETE     {
 355 // OBSOLETE       /* Input on remote */
 356 // OBSOLETE       c = serial_readchar (nindy_serial, -1);
 357 // OBSOLETE       if (c == SERIAL_ERROR)
 358 // OBSOLETE     {
 359 // OBSOLETE       error ("Cannot read from serial line");
 360 // OBSOLETE     }
 361 // OBSOLETE       else if (c == 0x1b)   /* ESC */
 362 // OBSOLETE     {
 363 // OBSOLETE       c = serial_readchar (nindy_serial, -1);
 364 // OBSOLETE       c &= ~0x40;
 365 // OBSOLETE     }
 366 // OBSOLETE       else if (c != 0x10)   /* DLE */
 367 // OBSOLETE     /* Write out any characters preceding DLE */
 368 // OBSOLETE     {
 369 // OBSOLETE       buf[0] = (char) c;
 370 // OBSOLETE       write (1, buf, 1);
 371 // OBSOLETE     }
 372 // OBSOLETE       else
 373 // OBSOLETE     {
 374 // OBSOLETE       stop_exit = ninStopWhy (&stop_code,
 375 // OBSOLETE                               &ip_value, &fp_value, &sp_value);
 376 // OBSOLETE       if (!stop_exit && (stop_code == STOP_SRQ))
 377 // OBSOLETE         {
 378 // OBSOLETE           immediate_quit++;
 379 // OBSOLETE           ninSrq ();
 380 // OBSOLETE           immediate_quit--;
 381 // OBSOLETE         }
 382 // OBSOLETE       else
 383 // OBSOLETE         {
 384 // OBSOLETE           /* Get out of loop */
 385 // OBSOLETE           supply_register (IP_REGNUM,
 386 // OBSOLETE                            (char *) &ip_value);
 387 // OBSOLETE           supply_register (FP_REGNUM,
 388 // OBSOLETE                            (char *) &fp_value);
 389 // OBSOLETE           supply_register (SP_REGNUM,
 390 // OBSOLETE                            (char *) &sp_value);
 391 // OBSOLETE           break;
 392 // OBSOLETE         }
 393 // OBSOLETE     }
 394 // OBSOLETE     }
 395 // OBSOLETE
 396 // OBSOLETE   serial_set_tty_state (tty_args.serial, tty_args.state);
 397 // OBSOLETE   xfree (tty_args.state);
 398 // OBSOLETE   discard_cleanups (old_cleanups);
 399 // OBSOLETE
 400 // OBSOLETE   if (stop_exit)
 401 // OBSOLETE     {
 402 // OBSOLETE       status->kind = TARGET_WAITKIND_EXITED;
 403 // OBSOLETE       status->value.integer = stop_code;
 404 // OBSOLETE     }
 405 // OBSOLETE   else
 406 // OBSOLETE     {
 407 // OBSOLETE       /* nindy has some special stop code need to be handled */
 408 // OBSOLETE       if (stop_code == STOP_GDB_BPT)
 409 // OBSOLETE     stop_code = TRACE_STEP;
 410 // OBSOLETE       status->kind = TARGET_WAITKIND_STOPPED;
 411 // OBSOLETE       status->value.sig = i960_fault_to_signal (stop_code);
 412 // OBSOLETE     }
 413 // OBSOLETE   return inferior_ptid;
 414 // OBSOLETE }
 415 // OBSOLETE
 416 // OBSOLETE /* Read the remote registers into the block REGS.  */
 417 // OBSOLETE
 418 // OBSOLETE /* This is the block that ninRegsGet and ninRegsPut handles.  */
 419 // OBSOLETE struct nindy_regs
 420 // OBSOLETE {
 421 // OBSOLETE   char local_regs[16 * 4];
 422 // OBSOLETE   char global_regs[16 * 4];
 423 // OBSOLETE   char pcw_acw[2 * 4];
 424 // OBSOLETE   char ip[4];
 425 // OBSOLETE   char tcw[4];
 426 // OBSOLETE   char fp_as_double[4 * 8];
 427 // OBSOLETE };
 428 // OBSOLETE
 429 // OBSOLETE static void
 430 // OBSOLETE nindy_fetch_registers (int regno)
 431 // OBSOLETE {
 432 // OBSOLETE   struct nindy_regs nindy_regs;
 433 // OBSOLETE   int regnum;
 434 // OBSOLETE
 435 // OBSOLETE   immediate_quit++;
 436 // OBSOLETE   ninRegsGet ((char *) &nindy_regs);
 437 // OBSOLETE   immediate_quit--;
 438 // OBSOLETE
 439 // OBSOLETE   memcpy (&registers[REGISTER_BYTE (R0_REGNUM)], nindy_regs.local_regs, 16 * 4);
 440 // OBSOLETE   memcpy (&registers[REGISTER_BYTE (G0_REGNUM)], nindy_regs.global_regs, 16 * 4);
 441 // OBSOLETE   memcpy (&registers[REGISTER_BYTE (PCW_REGNUM)], nindy_regs.pcw_acw, 2 * 4);
 442 // OBSOLETE   memcpy (&registers[REGISTER_BYTE (IP_REGNUM)], nindy_regs.ip, 1 * 4);
 443 // OBSOLETE   memcpy (&registers[REGISTER_BYTE (TCW_REGNUM)], nindy_regs.tcw, 1 * 4);
 444 // OBSOLETE   memcpy (&registers[REGISTER_BYTE (FP0_REGNUM)], nindy_regs.fp_as_double, 4 * 8);
 445 // OBSOLETE
 446 // OBSOLETE   registers_fetched ();
 447 // OBSOLETE }
 448 // OBSOLETE
 449 // OBSOLETE static void
 450 // OBSOLETE nindy_prepare_to_store (void)
 451 // OBSOLETE {
 452 // OBSOLETE   /* Fetch all regs if they aren't already here.  */
 453 // OBSOLETE   read_register_bytes (0, NULL, REGISTER_BYTES);
 454 // OBSOLETE }
 455 // OBSOLETE
 456 // OBSOLETE static void
 457 // OBSOLETE nindy_store_registers (int regno)
 458 // OBSOLETE {
 459 // OBSOLETE   struct nindy_regs nindy_regs;
 460 // OBSOLETE   int regnum;
 461 // OBSOLETE
 462 // OBSOLETE   memcpy (nindy_regs.local_regs, &registers[REGISTER_BYTE (R0_REGNUM)], 16 * 4);
 463 // OBSOLETE   memcpy (nindy_regs.global_regs, &registers[REGISTER_BYTE (G0_REGNUM)], 16 * 4);
 464 // OBSOLETE   memcpy (nindy_regs.pcw_acw, &registers[REGISTER_BYTE (PCW_REGNUM)], 2 * 4);
 465 // OBSOLETE   memcpy (nindy_regs.ip, &registers[REGISTER_BYTE (IP_REGNUM)], 1 * 4);
 466 // OBSOLETE   memcpy (nindy_regs.tcw, &registers[REGISTER_BYTE (TCW_REGNUM)], 1 * 4);
 467 // OBSOLETE   memcpy (nindy_regs.fp_as_double, &registers[REGISTER_BYTE (FP0_REGNUM)], 8 * 4);
 468 // OBSOLETE
 469 // OBSOLETE   immediate_quit++;
 470 // OBSOLETE   ninRegsPut ((char *) &nindy_regs);
 471 // OBSOLETE   immediate_quit--;
 472 // OBSOLETE }
 473 // OBSOLETE
 474 // OBSOLETE /* Copy LEN bytes to or from inferior's memory starting at MEMADDR
 475 // OBSOLETE    to debugger memory starting at MYADDR.   Copy to inferior if
 476 // OBSOLETE    SHOULD_WRITE is nonzero.  Returns the length copied.  TARGET is
 477 // OBSOLETE    unused.  */
 478 // OBSOLETE
 479 // OBSOLETE int
 480 // OBSOLETE nindy_xfer_inferior_memory (CORE_ADDR memaddr, char *myaddr, int len,
 481 // OBSOLETE                         int should_write, struct mem_attrib *attrib,
 482 // OBSOLETE                         struct target_ops *target)
 483 // OBSOLETE {
 484 // OBSOLETE   int res;
 485 // OBSOLETE
 486 // OBSOLETE   if (len <= 0)
 487 // OBSOLETE     return 0;
 488 // OBSOLETE
 489 // OBSOLETE   if (should_write)
 490 // OBSOLETE     res = ninMemPut (memaddr, myaddr, len);
 491 // OBSOLETE   else
 492 // OBSOLETE     res = ninMemGet (memaddr, myaddr, len);
 493 // OBSOLETE
 494 // OBSOLETE   return res;
 495 // OBSOLETE }
 496 // OBSOLETE \f
 497 // OBSOLETE static void
 498 // OBSOLETE nindy_create_inferior (char *execfile, char *args, char **env)
 499 // OBSOLETE {
 500 // OBSOLETE   int entry_pt;
 501 // OBSOLETE   int pid;
 502 // OBSOLETE
 503 // OBSOLETE   if (args && *args)
 504 // OBSOLETE     error ("Can't pass arguments to remote NINDY process");
 505 // OBSOLETE
 506 // OBSOLETE   if (execfile == 0 || exec_bfd == 0)
 507 // OBSOLETE     error ("No executable file specified");
 508 // OBSOLETE
 509 // OBSOLETE   entry_pt = (int) bfd_get_start_address (exec_bfd);
 510 // OBSOLETE
 511 // OBSOLETE   pid = 42;
 512 // OBSOLETE
 513 // OBSOLETE   /* The "process" (board) is already stopped awaiting our commands, and
 514 // OBSOLETE      the program is already downloaded.  We just set its PC and go.  */
 515 // OBSOLETE
 516 // OBSOLETE   inferior_ptid = pid_to_ptid (pid);        /* Needed for wait_for_inferior below */
 517 // OBSOLETE
 518 // OBSOLETE   clear_proceed_status ();
 519 // OBSOLETE
 520 // OBSOLETE   /* Tell wait_for_inferior that we've started a new process.  */
 521 // OBSOLETE   init_wait_for_inferior ();
 522 // OBSOLETE
 523 // OBSOLETE   /* Set up the "saved terminal modes" of the inferior
 524 // OBSOLETE      based on what modes we are starting it with.  */
 525 // OBSOLETE   target_terminal_init ();
 526 // OBSOLETE
 527 // OBSOLETE   /* Install inferior's terminal modes.  */
 528 // OBSOLETE   target_terminal_inferior ();
 529 // OBSOLETE
 530 // OBSOLETE   /* insert_step_breakpoint ();  FIXME, do we need this?  */
 531 // OBSOLETE   /* Let 'er rip... */
 532 // OBSOLETE   proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0);
 533 // OBSOLETE }
 534 // OBSOLETE
 535 // OBSOLETE static void
 536 // OBSOLETE reset_command (char *args, int from_tty)
 537 // OBSOLETE {
 538 // OBSOLETE   if (nindy_serial == NULL)
 539 // OBSOLETE     {
 540 // OBSOLETE       error ("No target system to reset -- use 'target nindy' command.");
 541 // OBSOLETE     }
 542 // OBSOLETE   if (query ("Really reset the target system?", 0, 0))
 543 // OBSOLETE     {
 544 // OBSOLETE       serial_send_break (nindy_serial);
 545 // OBSOLETE       tty_flush (nindy_serial);
 546 // OBSOLETE     }
 547 // OBSOLETE }
 548 // OBSOLETE
 549 // OBSOLETE void
 550 // OBSOLETE nindy_kill (char *args, int from_tty)
 551 // OBSOLETE {
 552 // OBSOLETE   return;                   /* Ignore attempts to kill target system */
 553 // OBSOLETE }
 554 // OBSOLETE
 555 // OBSOLETE /* Clean up when a program exits.
 556 // OBSOLETE
 557 // OBSOLETE    The program actually lives on in the remote processor's RAM, and may be
 558 // OBSOLETE    run again without a download.  Don't leave it full of breakpoint
 559 // OBSOLETE    instructions.  */
 560 // OBSOLETE
 561 // OBSOLETE void
 562 // OBSOLETE nindy_mourn_inferior (void)
 563 // OBSOLETE {
 564 // OBSOLETE   remove_breakpoints ();
 565 // OBSOLETE   unpush_target (&nindy_ops);
 566 // OBSOLETE   generic_mourn_inferior ();        /* Do all the proper things now */
 567 // OBSOLETE }
 568 // OBSOLETE \f
 569 // OBSOLETE /* Pass the args the way catch_errors wants them.  */
 570 // OBSOLETE static int
 571 // OBSOLETE nindy_open_stub (char *arg)
 572 // OBSOLETE {
 573 // OBSOLETE   nindy_open (arg, 1);
 574 // OBSOLETE   return 1;
 575 // OBSOLETE }
 576 // OBSOLETE
 577 // OBSOLETE static void
 578 // OBSOLETE nindy_load (char *filename, int from_tty)
 579 // OBSOLETE {
 580 // OBSOLETE   asection *s;
 581 // OBSOLETE   /* Can't do unix style forking on a VMS system, so we'll use bfd to do
 582 // OBSOLETE      all the work for us
 583 // OBSOLETE    */
 584 // OBSOLETE
 585 // OBSOLETE   bfd *file = bfd_openr (filename, 0);
 586 // OBSOLETE   if (!file)
 587 // OBSOLETE     {
 588 // OBSOLETE       perror_with_name (filename);
 589 // OBSOLETE       return;
 590 // OBSOLETE     }
 591 // OBSOLETE
 592 // OBSOLETE   if (!bfd_check_format (file, bfd_object))
 593 // OBSOLETE     {
 594 // OBSOLETE       error ("can't prove it's an object file\n");
 595 // OBSOLETE       return;
 596 // OBSOLETE     }
 597 // OBSOLETE
 598 // OBSOLETE   for (s = file->sections; s; s = s->next)
 599 // OBSOLETE     {
 600 // OBSOLETE       if (s->flags & SEC_LOAD)
 601 // OBSOLETE     {
 602 // OBSOLETE       char *buffer = xmalloc (s->_raw_size);
 603 // OBSOLETE       bfd_get_section_contents (file, s, buffer, 0, s->_raw_size);
 604 // OBSOLETE       printf ("Loading section %s, size %x vma %x\n",
 605 // OBSOLETE               s->name,
 606 // OBSOLETE               s->_raw_size,
 607 // OBSOLETE               s->vma);
 608 // OBSOLETE       ninMemPut (s->vma, buffer, s->_raw_size);
 609 // OBSOLETE       xfree (buffer);
 610 // OBSOLETE     }
 611 // OBSOLETE     }
 612 // OBSOLETE   bfd_close (file);
 613 // OBSOLETE }
 614 // OBSOLETE
 615 // OBSOLETE static int
 616 // OBSOLETE load_stub (char *arg)
 617 // OBSOLETE {
 618 // OBSOLETE   target_load (arg, 1);
 619 // OBSOLETE   return 1;
 620 // OBSOLETE }
 621 // OBSOLETE
 622 // OBSOLETE /* This routine is run as a hook, just before the main command loop is
 623 // OBSOLETE    entered.  If gdb is configured for the i960, but has not had its
 624 // OBSOLETE    nindy target specified yet, this will loop prompting the user to do so.
 625 // OBSOLETE
 626 // OBSOLETE    Unlike the loop provided by Intel, we actually let the user get out
 627 // OBSOLETE    of this with a RETURN.  This is useful when e.g. simply examining
 628 // OBSOLETE    an i960 object file on the host system.  */
 629 // OBSOLETE
 630 // OBSOLETE void
 631 // OBSOLETE nindy_before_main_loop (void)
 632 // OBSOLETE {
 633 // OBSOLETE   char ttyname[100];
 634 // OBSOLETE   char *p, *p2;
 635 // OBSOLETE
 636 // OBSOLETE   while (target_stack->target_ops != &nindy_ops)    /* What is this crap??? */
 637 // OBSOLETE     {                               /* remote tty not specified yet */
 638 // OBSOLETE       if (instream == stdin)
 639 // OBSOLETE     {
 640 // OBSOLETE       printf_unfiltered ("\nAttach /dev/ttyNN -- specify NN, or \"quit\" to quit:  ");
 641 // OBSOLETE       gdb_flush (gdb_stdout);
 642 // OBSOLETE     }
 643 // OBSOLETE       fgets (ttyname, sizeof (ttyname) - 1, stdin);
 644 // OBSOLETE
 645 // OBSOLETE       /* Strip leading and trailing whitespace */
 646 // OBSOLETE       for (p = ttyname; isspace (*p); p++)
 647 // OBSOLETE     {
 648 // OBSOLETE       ;
 649 // OBSOLETE     }
 650 // OBSOLETE       if (*p == '\0')
 651 // OBSOLETE     {
 652 // OBSOLETE       return;               /* User just hit spaces or return, wants out */
 653 // OBSOLETE     }
 654 // OBSOLETE       for (p2 = p; !isspace (*p2) && (*p2 != '\0'); p2++)
 655 // OBSOLETE     {
 656 // OBSOLETE       ;
 657 // OBSOLETE     }
 658 // OBSOLETE       *p2 = '\0';
 659 // OBSOLETE       if (STREQ ("quit", p))
 660 // OBSOLETE     {
 661 // OBSOLETE       exit (1);
 662 // OBSOLETE     }
 663 // OBSOLETE
 664 // OBSOLETE       if (catch_errors (nindy_open_stub, p, "", RETURN_MASK_ALL))
 665 // OBSOLETE     {
 666 // OBSOLETE       /* Now that we have a tty open for talking to the remote machine,
 667 // OBSOLETE          download the executable file if one was specified.  */
 668 // OBSOLETE       if (exec_bfd)
 669 // OBSOLETE         {
 670 // OBSOLETE           catch_errors (load_stub, bfd_get_filename (exec_bfd), "",
 671 // OBSOLETE                         RETURN_MASK_ALL);
 672 // OBSOLETE         }
 673 // OBSOLETE     }
 674 // OBSOLETE     }
 675 // OBSOLETE }
 676 // OBSOLETE \f
 677 // OBSOLETE /* Define the target subroutine names */
 678 // OBSOLETE
 679 // OBSOLETE struct target_ops nindy_ops;
 680 // OBSOLETE
 681 // OBSOLETE static void
 682 // OBSOLETE init_nindy_ops (void)
 683 // OBSOLETE {
 684 // OBSOLETE   nindy_ops.to_shortname = "nindy";
 685 // OBSOLETE   "Remote serial target in i960 NINDY-specific protocol",
 686 // OBSOLETE     nindy_ops.to_longname = "Use a remote i960 system running NINDY connected by a serial line.\n\
 687 // OBSOLETE Specify the name of the device the serial line is connected to.\n\
 688 // OBSOLETE The speed (baud rate), whether to use the old NINDY protocol,\n\
 689 // OBSOLETE and whether to send a break on startup, are controlled by options\n\
 690 // OBSOLETE specified when you started GDB.";
 691 // OBSOLETE   nindy_ops.to_doc = "";
 692 // OBSOLETE   nindy_ops.to_open = nindy_open;
 693 // OBSOLETE   nindy_ops.to_close = nindy_close;
 694 // OBSOLETE   nindy_ops.to_attach = 0;
 695 // OBSOLETE   nindy_ops.to_post_attach = NULL;
 696 // OBSOLETE   nindy_ops.to_require_attach = NULL;
 697 // OBSOLETE   nindy_ops.to_detach = nindy_detach;
 698 // OBSOLETE   nindy_ops.to_require_detach = NULL;
 699 // OBSOLETE   nindy_ops.to_resume = nindy_resume;
 700 // OBSOLETE   nindy_ops.to_wait = nindy_wait;
 701 // OBSOLETE   nindy_ops.to_post_wait = NULL;
 702 // OBSOLETE   nindy_ops.to_fetch_registers = nindy_fetch_registers;
 703 // OBSOLETE   nindy_ops.to_store_registers = nindy_store_registers;
 704 // OBSOLETE   nindy_ops.to_prepare_to_store = nindy_prepare_to_store;
 705 // OBSOLETE   nindy_ops.to_xfer_memory = nindy_xfer_inferior_memory;
 706 // OBSOLETE   nindy_ops.to_files_info = nindy_files_info;
 707 // OBSOLETE   nindy_ops.to_insert_breakpoint = memory_insert_breakpoint;
 708 // OBSOLETE   nindy_ops.to_remove_breakpoint = memory_remove_breakpoint;
 709 // OBSOLETE   nindy_ops.to_terminal_init = 0;
 710 // OBSOLETE   nindy_ops.to_terminal_inferior = 0;
 711 // OBSOLETE   nindy_ops.to_terminal_ours_for_output = 0;
 712 // OBSOLETE   nindy_ops.to_terminal_ours = 0;
 713 // OBSOLETE   nindy_ops.to_terminal_info = 0;   /* Terminal crud */
 714 // OBSOLETE   nindy_ops.to_kill = nindy_kill;
 715 // OBSOLETE   nindy_ops.to_load = nindy_load;
 716 // OBSOLETE   nindy_ops.to_lookup_symbol = 0;   /* lookup_symbol */
 717 // OBSOLETE   nindy_ops.to_create_inferior = nindy_create_inferior;
 718 // OBSOLETE   nindy_ops.to_post_startup_inferior = NULL;
 719 // OBSOLETE   nindy_ops.to_acknowledge_created_inferior = NULL;
 720 // OBSOLETE   nindy_ops.to_clone_and_follow_inferior = NULL;
 721 // OBSOLETE   nindy_ops.to_post_follow_inferior_by_clone = NULL;
 722 // OBSOLETE   nindy_ops.to_insert_fork_catchpoint = NULL;
 723 // OBSOLETE   nindy_ops.to_remove_fork_catchpoint = NULL;
 724 // OBSOLETE   nindy_ops.to_insert_vfork_catchpoint = NULL;
 725 // OBSOLETE   nindy_ops.to_remove_vfork_catchpoint = NULL;
 726 // OBSOLETE   nindy_ops.to_has_forked = NULL;
 727 // OBSOLETE   nindy_ops.to_has_vforked = NULL;
 728 // OBSOLETE   nindy_ops.to_can_follow_vfork_prior_to_exec = NULL;
 729 // OBSOLETE   nindy_ops.to_post_follow_vfork = NULL;
 730 // OBSOLETE   nindy_ops.to_insert_exec_catchpoint = NULL;
 731 // OBSOLETE   nindy_ops.to_remove_exec_catchpoint = NULL;
 732 // OBSOLETE   nindy_ops.to_has_execd = NULL;
 733 // OBSOLETE   nindy_ops.to_reported_exec_events_per_exec_call = NULL;
 734 // OBSOLETE   nindy_ops.to_has_exited = NULL;
 735 // OBSOLETE   nindy_ops.to_mourn_inferior = nindy_mourn_inferior;
 736 // OBSOLETE   nindy_ops.to_can_run = 0; /* can_run */
 737 // OBSOLETE   nindy_ops.to_notice_signals = 0;  /* notice_signals */
 738 // OBSOLETE   nindy_ops.to_thread_alive = 0;    /* to_thread_alive */
 739 // OBSOLETE   nindy_ops.to_stop = 0;    /* to_stop */
 740 // OBSOLETE   nindy_ops.to_pid_to_exec_file = NULL;
 741 // OBSOLETE   nindy_ops.to_stratum = process_stratum;
 742 // OBSOLETE   nindy_ops.DONT_USE = 0;   /* next */
 743 // OBSOLETE   nindy_ops.to_has_all_memory = 1;
 744 // OBSOLETE   nindy_ops.to_has_memory = 1;
 745 // OBSOLETE   nindy_ops.to_has_stack = 1;
 746 // OBSOLETE   nindy_ops.to_has_registers = 1;
 747 // OBSOLETE   nindy_ops.to_has_execution = 1;   /* all mem, mem, stack, regs, exec */
 748 // OBSOLETE   nindy_ops.to_sections = 0;
 749 // OBSOLETE   nindy_ops.to_sections_end = 0;    /* Section pointers */
 750 // OBSOLETE   nindy_ops.to_magic = OPS_MAGIC;   /* Always the last thing */
 751 // OBSOLETE }
 752 // OBSOLETE
 753 // OBSOLETE void
 754 // OBSOLETE _initialize_nindy (void)
 755 // OBSOLETE {
 756 // OBSOLETE   init_nindy_ops ();
 757 // OBSOLETE   add_target (&nindy_ops);
 758 // OBSOLETE   add_com ("reset", class_obscure, reset_command,
 759 // OBSOLETE        "Send a 'break' to the remote target system.\n\
 760 // OBSOLETE Only useful if the target has been equipped with a circuit\n\
 761 // OBSOLETE to perform a hard reset when a break is detected.");
 762 // OBSOLETE }