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diff --git a/gdb/remote-st.c b/gdb/remote-st.c
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-/* Remote debugging interface for Tandem ST2000 phone switch, 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 file was derived from remote-eb.c, which did a similar job, but for
- an AMD-29K running EBMON. That file was in turn derived from remote.c
- as mentioned in the following comment (left in for comic relief):
-
- "This is like remote.c but is for an esoteric situation--
- having an 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."
-
- In reality, this module talks to a debug monitor called 'STDEBUG', which
- runs in a phone switch. We communicate with STDEBUG via either a direct
- serial line, or a TCP (or possibly TELNET) stream to a terminal multiplexor,
- which in turn talks to the phone switch. */
-
-#include "defs.h"
-#include "gdbcore.h"
-#include "target.h"
-#include "wait.h"
-#ifdef ANSI_PROTOTYPES
-#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-#include <signal.h>
-#include "gdb_string.h"
-#include <sys/types.h>
-#include "serial.h"
-
-extern struct target_ops st2000_ops; /* Forward declaration */
-
-static void st2000_close();
-static void st2000_fetch_register();
-static void st2000_store_register();
-
-#define LOG_FILE "st2000.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
- st2000_open knows that we don't have a file open when the program
- starts. */
-
-static serial_t st2000_desc;
-
-/* Send data to stdebug. Works just like printf. */
-
-static void
-#ifdef ANSI_PROTOTYPES
-printf_stdebug(char *pattern, ...)
-#else
-printf_stdebug(va_alist)
- va_dcl
-#endif
-{
- va_list args;
- char buf[200];
-
-#ifdef ANSI_PROTOTYPES
- va_start(args, pattern);
-#else
- char *pattern;
- va_start(args);
- pattern = va_arg(args, char *);
-#endif
-
- vsprintf(buf, pattern, args);
- va_end(args);
-
- if (SERIAL_WRITE(st2000_desc, buf, strlen(buf)))
- fprintf(stderr, "SERIAL_WRITE failed: %s\n", safe_strerror(errno));
-}
-
-/* Read a character from the remote system, doing all the fancy timeout
- stuff. */
-
-static int
-readchar(timeout)
- int timeout;
-{
- int c;
-
- c = SERIAL_READCHAR(st2000_desc, timeout);
-
-#ifdef LOG_FILE
- putc(c & 0x7f, log_file);
-#endif
-
- if (c >= 0)
- return c & 0x7f;
-
- if (c == SERIAL_TIMEOUT)
- {
- if (timeout == 0)
- return c; /* Polls shouldn't generate timeout errors */
-
- error("Timeout reading from remote system.");
- }
-
- perror_with_name("remote-st2000");
-}
-
-/* Scan input from the remote system, until STRING is found. If DISCARD is
- non-zero, then discard non-matching input, else print it out.
- Let the user break out immediately. */
-static void
-expect(string, discard)
- char *string;
- int discard;
-{
- char *p = string;
- int c;
-
- immediate_quit = 1;
- while (1)
- {
- c = readchar(timeout);
- if (c == *p++)
- {
- if (*p == '\0')
- {
- immediate_quit = 0;
- return;
- }
- }
- else
- {
- if (!discard)
- {
- fwrite(string, 1, (p - 1) - string, stdout);
- putchar((char)c);
- fflush(stdout);
- }
- p = string;
- }
- }
-}
-
-/* Keep discarding input until we see the STDEBUG 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: st2000_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 st2000_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(discard)
- int discard;
-{
-#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 ("dbug> ", discard);
-}
-
-/* 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(timeout);
- 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(1);
- error("Invalid hex digit from remote system.");
- }
- }
-}
-
-/* Get a byte from stdebug 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);
- }
-}
-
-/* This is called not only when we first attach, but also when the
- user types "run" after having attached. */
-static void
-st2000_create_inferior (execfile, args, env)
- char *execfile;
- char *args;
- char **env;
-{
- int entry_pt;
-
- if (args && *args)
- error("Can't pass arguments to remote STDEBUG process");
-
- if (execfile == 0 || exec_bfd == 0)
- error("No executable file specified");
-
- entry_pt = (int) bfd_get_start_address (exec_bfd);
-
-/* 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? */
- /* Let 'er rip... */
- proceed ((CORE_ADDR)entry_pt, TARGET_SIGNAL_DEFAULT, 0);
-}
-
-/* Open a connection to a remote debugger.
- NAME is the filename used for communication. */
-
-static int baudrate = 9600;
-static char dev_name[100];
-
-static void
-st2000_open(args, from_tty)
- char *args;
- int from_tty;
-{
- int n;
- char junk[100];
-
- target_preopen(from_tty);
-
- n = sscanf(args, " %s %d %s", dev_name, &baudrate, junk);
-
- if (n != 2)
- error("Bad arguments. Usage: target st2000 <device> <speed>\n\
-or target st2000 <host> <port>\n");
-
- st2000_close(0);
-
- st2000_desc = SERIAL_OPEN(dev_name);
-
- if (!st2000_desc)
- perror_with_name(dev_name);
-
- SERIAL_SETBAUDRATE(st2000_desc, baudrate);
-
- SERIAL_RAW(st2000_desc);
-
- push_target(&st2000_ops);
-
-#if defined (LOG_FILE)
- log_file = fopen (LOG_FILE, "w");
- if (log_file == NULL)
- perror_with_name (LOG_FILE);
-#endif
-
- /* Hello? Are you there? */
- printf_stdebug("\003"); /* ^C wakes up dbug */
-
- expect_prompt(1);
-
- if (from_tty)
- printf("Remote %s connected to %s\n", target_shortname,
- dev_name);
-}
-
-/* Close out all files and local state before this target loses control. */
-
-static void
-st2000_close (quitting)
- int quitting;
-{
- SERIAL_CLOSE(st2000_desc);
-
-#if defined (LOG_FILE)
- if (log_file) {
- if (ferror(log_file))
- fprintf(stderr, "Error writing log file.\n");
- if (fclose(log_file) != 0)
- fprintf(stderr, "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. */
-static void
-st2000_detach (from_tty)
- int from_tty;
-{
- pop_target(); /* calls st2000_close to do the real work */
- if (from_tty)
- printf ("Ending remote %s debugging\n", target_shortname);
-}
-
-/* Tell the remote machine to resume. */
-
-static void
-st2000_resume (pid, step, sig)
- int pid, step;
- enum target_signal sig;
-{
- if (step)
- {
- printf_stdebug ("ST\r");
- /* Wait for the echo. */
- expect ("ST\r", 1);
- }
- else
- {
- printf_stdebug ("GO\r");
- /* Swallow the echo. */
- expect ("GO\r", 1);
- }
-}
-
-/* Wait until the remote machine stops, then return,
- storing status in STATUS just as `wait' would. */
-
-static int
-st2000_wait (status)
- struct target_waitstatus *status;
-{
- int old_timeout = timeout;
-
- status->kind = TARGET_WAITKIND_EXITED;
- status->value.integer = 0;
-
- timeout = 0; /* Don't time out -- user program is running. */
-
- expect_prompt(0); /* Wait for prompt, outputting extraneous text */
-
- status->kind = TARGET_WAITKIND_STOPPED;
- status->value.sig = TARGET_SIGNAL_TRAP;
-
- timeout = old_timeout;
-
- return 0;
-}
-
-/* Return the name of register number REGNO in the form input and output by
- STDEBUG. Currently, REGISTER_NAMES just happens to contain exactly what
- STDEBUG wants. Lets take advantage of that just as long as possible! */
-
-static char *
-get_reg_name (regno)
- int regno;
-{
- static char buf[50];
- const char *p;
- char *b;
-
- b = buf;
-
- for (p = REGISTER_NAME (regno); *p; p++)
- *b++ = toupper(*p);
- *b = '\000';
-
- return buf;
-}
-
-/* Read the remote registers into the block REGS. */
-
-static void
-st2000_fetch_registers ()
-{
- int regno;
-
- /* Yeah yeah, I know this is horribly inefficient. But it isn't done
- very often... I'll clean it up later. */
-
- for (regno = 0; regno <= PC_REGNUM; regno++)
- st2000_fetch_register(regno);
-}
-
-/* Fetch register REGNO, or all registers if REGNO is -1.
- Returns errno value. */
-static void
-st2000_fetch_register (regno)
- int regno;
-{
- if (regno == -1)
- st2000_fetch_registers ();
- else
- {
- char *name = get_reg_name (regno);
- printf_stdebug ("DR %s\r", name);
- expect (name, 1);
- expect (" : ", 1);
- get_hex_regs (1, regno);
- expect_prompt (1);
- }
- return;
-}
-
-/* Store the remote registers from the contents of the block REGS. */
-
-static void
-st2000_store_registers ()
-{
- int regno;
-
- for (regno = 0; regno <= PC_REGNUM; regno++)
- st2000_store_register(regno);
-
- registers_changed ();
-}
-
-/* Store register REGNO, or all if REGNO == 0.
- Return errno value. */
-static void
-st2000_store_register (regno)
- int regno;
-{
- if (regno == -1)
- st2000_store_registers ();
- else
- {
- printf_stdebug ("PR %s %x\r", get_reg_name (regno),
- read_register (regno));
-
- expect_prompt (1);
- }
-}
-
-/* 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. */
-
-static void
-st2000_prepare_to_store ()
-{
- /* Do nothing, since we can store individual regs */
-}
-
-static void
-st2000_files_info ()
-{
- printf ("\tAttached to %s at %d baud.\n",
- dev_name, baudrate);
-}
-
-/* Copy LEN bytes of data from debugger memory at MYADDR
- to inferior's memory at MEMADDR. Returns length moved. */
-static int
-st2000_write_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- unsigned char *myaddr;
- int len;
-{
- int i;
-
- for (i = 0; i < len; i++)
- {
- printf_stdebug ("PM.B %x %x\r", memaddr + i, myaddr[i]);
- expect_prompt (1);
- }
- return len;
-}
-
-/* Read LEN bytes from inferior memory at MEMADDR. Put the result
- at debugger address MYADDR. Returns length moved. */
-static int
-st2000_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
- st2000_read_bytes (CORE_ADDR_MAX - 4, foo, 4)
- works--it never adds len to memaddr and gets 0. */
- /* However, something like
- st2000_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);
-
- printf_stdebug ("DI.L %x %x\r", startaddr, len_this_pass);
- expect (": ", 1);
-
- for (i = 0; i < len_this_pass; i++)
- get_hex_byte (&myaddr[count++]);
-
- expect_prompt (1);
-
- startaddr += len_this_pass;
- }
- return len;
-}
-
-/* FIXME-someday! Merge these two. */
-static int
-st2000_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 st2000_write_inferior_memory (memaddr, myaddr, len);
- else
- return st2000_read_inferior_memory (memaddr, myaddr, len);
-}
-
-static void
-st2000_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. */
-
-static void
-st2000_mourn_inferior ()
-{
- remove_breakpoints ();
- unpush_target (&st2000_ops);
- generic_mourn_inferior (); /* Do all the proper things now */
-}
-
-#define MAX_STDEBUG_BREAKPOINTS 16
-
-static CORE_ADDR breakaddr[MAX_STDEBUG_BREAKPOINTS] = {0};
-
-static int
-st2000_insert_breakpoint (addr, shadow)
- CORE_ADDR addr;
- char *shadow;
-{
- int i;
- CORE_ADDR bp_addr = addr;
- int bp_size = 0;
-
- BREAKPOINT_FROM_PC (&bp_addr, &bp_size);
-
- for (i = 0; i <= MAX_STDEBUG_BREAKPOINTS; i++)
- if (breakaddr[i] == 0)
- {
- breakaddr[i] = addr;
-
- st2000_read_inferior_memory (bp_addr, shadow, bp_size);
- printf_stdebug("BR %x H\r", addr);
- expect_prompt(1);
- return 0;
- }
-
- fprintf(stderr, "Too many breakpoints (> 16) for STDBUG\n");
- return 1;
-}
-
-static int
-st2000_remove_breakpoint (addr, shadow)
- CORE_ADDR addr;
- char *shadow;
-{
- int i;
-
- for (i = 0; i < MAX_STDEBUG_BREAKPOINTS; i++)
- if (breakaddr[i] == addr)
- {
- breakaddr[i] = 0;
-
- printf_stdebug("CB %d\r", i);
- expect_prompt(1);
- return 0;
- }
-
- fprintf(stderr, "Can't find breakpoint associated with 0x%x\n", addr);
- return 1;
-}
-
-
-/* Put a command string, in args, out to STDBUG. Output from STDBUG is placed
- on the users terminal until the prompt is seen. */
-
-static void
-st2000_command (args, fromtty)
- char *args;
- int fromtty;
-{
- if (!st2000_desc)
- error("st2000 target not open.");
-
- if (!args)
- error("Missing command.");
-
- printf_stdebug("%s\r", args);
- expect_prompt(0);
-}
-
-/* Connect the user directly to STDBUG. This command acts just like the
- 'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */
-
-/*static struct ttystate ttystate;*/
-
-static void
-cleanup_tty()
-{
- printf("\r\n[Exiting connect mode]\r\n");
-/* SERIAL_RESTORE(0, &ttystate);*/
-}
-
-#if 0
-/* This all should now be in serial.c */
-
-static void
-connect_command (args, fromtty)
- char *args;
- int fromtty;
-{
- fd_set readfds;
- int numfds;
- int c;
- char cur_esc = 0;
-
- dont_repeat();
-
- if (st2000_desc < 0)
- error("st2000 target not open.");
-
- if (args)
- fprintf("This command takes no args. They have been ignored.\n");
-
- printf("[Entering connect mode. Use ~. or ~^D to escape]\n");
-
- serial_raw(0, &ttystate);
-
- make_cleanup(cleanup_tty, 0);
-
- FD_ZERO(&readfds);
-
- while (1)
- {
- do
- {
- FD_SET(0, &readfds);
- FD_SET(st2000_desc, &readfds);
- numfds = select(sizeof(readfds)*8, &readfds, 0, 0, 0);
- }
- while (numfds == 0);
-
- if (numfds < 0)
- perror_with_name("select");
-
- if (FD_ISSET(0, &readfds))
- { /* tty input, send to stdebug */
- c = getchar();
- if (c < 0)
- perror_with_name("connect");
-
- printf_stdebug("%c", c);
- switch (cur_esc)
- {
- case 0:
- if (c == '\r')
- cur_esc = c;
- break;
- case '\r':
- if (c == '~')
- cur_esc = c;
- else
- cur_esc = 0;
- break;
- case '~':
- if (c == '.' || c == '\004')
- return;
- else
- cur_esc = 0;
- }
- }
-
- if (FD_ISSET(st2000_desc, &readfds))
- {
- while (1)
- {
- c = readchar(0);
- if (c < 0)
- break;
- putchar(c);
- }
- fflush(stdout);
- }
- }
-}
-#endif /* 0 */
-
-/* Define the target subroutine names */
-
-struct target_ops st2000_ops ;
-
-static void
-init_st2000_ops(void)
-{
- st2000_ops.to_shortname = "st2000";
- st2000_ops.to_longname = "Remote serial Tandem ST2000 target";
- st2000_ops.to_doc = "Use a remote computer running STDEBUG connected by a serial line;\n\
-or a network connection.\n\
-Arguments are the name of the device for the serial line,\n\
-the speed to connect at in bits per second." ;
- st2000_ops.to_open = st2000_open;
- st2000_ops.to_close = st2000_close;
- st2000_ops.to_attach = 0;
- st2000_run_ops.to_post_attach = NULL;
- st2000_ops.to_require_attach = NULL;
- st2000_ops.to_detach = st2000_detach;
- st2000_ops.to_require_detach = NULL;
- st2000_ops.to_resume = st2000_resume;
- st2000_ops.to_wait = st2000_wait;
- st2000_ops.to_post_wait = NULL;
- st2000_ops.to_fetch_registers = st2000_fetch_register;
- st2000_ops.to_store_registers = st2000_store_register;
- st2000_ops.to_prepare_to_store = st2000_prepare_to_store;
- st2000_ops.to_xfer_memory = st2000_xfer_inferior_memory;
- st2000_ops.to_files_info = st2000_files_info;
- st2000_ops.to_insert_breakpoint = st2000_insert_breakpoint;
- st2000_ops.to_remove_breakpoint = st2000_remove_breakpoint; /* Breakpoints */
- st2000_ops.to_terminal_init = 0;
- st2000_ops.to_terminal_inferior = 0;
- st2000_ops.to_terminal_ours_for_output = 0;
- st2000_ops.to_terminal_ours = 0;
- st2000_ops.to_terminal_info = 0; /* Terminal handling */
- st2000_ops.to_kill = st2000_kill;
- st2000_ops.to_load = 0; /* load */
- st2000_ops.to_lookup_symbol = 0; /* lookup_symbol */
- st2000_ops.to_create_inferior = st2000_create_inferior;
- st2000_ops.to_post_startup_inferior = NULL;
- st2000_ops.to_acknowledge_created_inferior = NULL;
- st2000_ops.to_clone_and_follow_inferior = NULL;
- st2000_ops.to_post_follow_inferior_by_clone = NULL;
- st2000_run_ops.to_insert_fork_catchpoint = NULL;
- st2000_run_ops.to_remove_fork_catchpoint = NULL;
- st2000_run_ops.to_insert_vfork_catchpoint = NULL;
- st2000_run_ops.to_remove_vfork_catchpoint = NULL;
- st2000_ops.to_has_forked = NULL;
- st2000_ops.to_has_vforked = NULL;
- st2000_run_ops.to_can_follow_vfork_prior_to_exec = NULL;
- st2000_ops.to_post_follow_vfork = NULL;
- st2000_run_ops.to_insert_exec_catchpoint = NULL;
- st2000_run_ops.to_remove_exec_catchpoint = NULL;
- st2000_run_ops.to_has_execd = NULL;
- st2000_run_ops.to_reported_exec_events_per_exec_call = NULL;
- st2000_run_ops.to_has_exited = NULL;
- st2000_ops.to_mourn_inferior = st2000_mourn_inferior;
- st2000_ops.to_can_run = 0; /* can_run */
- st2000_ops.to_notice_signals = 0; /* notice_signals */
- st2000_ops.to_thread_alive = 0; /* thread alive */
- st2000_ops.to_stop = 0; /* to_stop */
- st2000_ops.to_pid_to_exec_file = NULL;
- st2000_run_ops.to_core_file_to_sym_file = NULL;
- st2000_ops.to_stratum = process_stratum;
- st2000_ops.DONT_USE = 0; /* next */
- st2000_ops.to_has_all_memory = 1;
- st2000_ops.to_has_memory = 1;
- st2000_ops.to_has_stack = 1;
- st2000_ops.to_has_registers = 1;
- st2000_ops.to_has_execution = 1; /* all mem, mem, stack, regs, exec */
- st2000_ops.to_sections = 0;
- st2000_ops.to_sections_end = 0; /* Section pointers */
- st2000_ops.to_magic = OPS_MAGIC; /* Always the last thing */
-} ;
-
-void
-_initialize_remote_st2000 ()
-{
- init_st2000_ops() ;
- add_target (&st2000_ops);
- add_com ("st2000 <command>", class_obscure, st2000_command,
- "Send a command to the STDBUG monitor.");
- add_com ("connect", class_obscure, connect_command,
- "Connect the terminal directly up to the STDBUG command monitor.\n\
-Use <CR>~. or <CR>~^D to break out.");
-}