/* Remote debugging interface for Tandem ST2000 phone switch, for GDB.
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/* Remote debugging interface for Tandem ST2000 phone switch, for GDB.
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Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
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Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
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Contributed by Cygnus Support. Written by Jim Kingdon for Cygnus.
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Contributed by Cygnus Support. Written by Jim Kingdon for Cygnus.
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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/* This file was derived from remote-eb.c, which did a similar job, but for
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/* This file was derived from remote-eb.c, which did a similar job, but for
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an AMD-29K running EBMON. That file was in turn derived from remote.c
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an AMD-29K running EBMON. That file was in turn derived from remote.c
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as mentioned in the following comment (left in for comic relief):
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as mentioned in the following comment (left in for comic relief):
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"This is like remote.c but is for an esoteric situation--
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"This is like remote.c but is for an esoteric situation--
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having an a29k board in a PC hooked up to a unix machine with
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having an a29k board in a PC hooked up to a unix machine with
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a serial line, and running ctty com1 on the PC, through which
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a serial line, and running ctty com1 on the PC, through which
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the unix machine can run ebmon. Not to mention that the PC
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the unix machine can run ebmon. Not to mention that the PC
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has PC/NFS, so it can access the same executables that gdb can,
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has PC/NFS, so it can access the same executables that gdb can,
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over the net in real time."
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over the net in real time."
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In reality, this module talks to a debug monitor called 'STDEBUG', which
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In reality, this module talks to a debug monitor called 'STDEBUG', which
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runs in a phone switch. We communicate with STDEBUG via either a direct
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runs in a phone switch. We communicate with STDEBUG via either a direct
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serial line, or a TCP (or possibly TELNET) stream to a terminal multiplexor,
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serial line, or a TCP (or possibly TELNET) stream to a terminal multiplexor,
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which in turn talks to the phone switch. */
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which in turn talks to the phone switch. */
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#include "defs.h"
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#include "defs.h"
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#include "gdbcore.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "target.h"
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#include "gdb_wait.h"
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#include "gdb_wait.h"
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#include <signal.h>
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#include <signal.h>
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#include "gdb_string.h"
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#include "gdb_string.h"
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#include <sys/types.h>
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#include <sys/types.h>
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#include "serial.h"
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#include "serial.h"
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|
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extern struct target_ops st2000_ops; /* Forward declaration */
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extern struct target_ops st2000_ops; /* Forward declaration */
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|
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static void st2000_close ();
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static void st2000_close ();
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static void st2000_fetch_register ();
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static void st2000_fetch_register ();
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static void st2000_store_register ();
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static void st2000_store_register ();
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#define LOG_FILE "st2000.log"
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#define LOG_FILE "st2000.log"
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#if defined (LOG_FILE)
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#if defined (LOG_FILE)
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FILE *log_file;
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FILE *log_file;
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#endif
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#endif
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static int timeout = 24;
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static int timeout = 24;
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/* Descriptor for I/O to remote machine. Initialize it to -1 so that
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/* Descriptor for I/O to remote machine. Initialize it to -1 so that
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st2000_open knows that we don't have a file open when the program
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st2000_open knows that we don't have a file open when the program
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starts. */
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starts. */
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static serial_t st2000_desc;
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static serial_t st2000_desc;
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/* Send data to stdebug. Works just like printf. */
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/* Send data to stdebug. Works just like printf. */
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static void
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static void
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printf_stdebug (char *pattern,...)
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printf_stdebug (char *pattern,...)
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{
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{
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va_list args;
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va_list args;
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char buf[200];
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char buf[200];
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va_start (args, pattern);
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va_start (args, pattern);
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vsprintf (buf, pattern, args);
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vsprintf (buf, pattern, args);
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va_end (args);
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va_end (args);
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if (SERIAL_WRITE (st2000_desc, buf, strlen (buf)))
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if (SERIAL_WRITE (st2000_desc, buf, strlen (buf)))
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fprintf (stderr, "SERIAL_WRITE failed: %s\n", safe_strerror (errno));
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fprintf (stderr, "SERIAL_WRITE failed: %s\n", safe_strerror (errno));
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}
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}
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/* Read a character from the remote system, doing all the fancy timeout
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/* Read a character from the remote system, doing all the fancy timeout
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stuff. */
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stuff. */
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static int
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static int
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readchar (timeout)
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readchar (timeout)
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int timeout;
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int timeout;
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{
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{
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int c;
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int c;
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c = SERIAL_READCHAR (st2000_desc, timeout);
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c = SERIAL_READCHAR (st2000_desc, timeout);
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#ifdef LOG_FILE
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#ifdef LOG_FILE
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putc (c & 0x7f, log_file);
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putc (c & 0x7f, log_file);
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#endif
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#endif
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if (c >= 0)
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if (c >= 0)
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return c & 0x7f;
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return c & 0x7f;
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if (c == SERIAL_TIMEOUT)
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if (c == SERIAL_TIMEOUT)
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{
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{
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if (timeout == 0)
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if (timeout == 0)
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return c; /* Polls shouldn't generate timeout errors */
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return c; /* Polls shouldn't generate timeout errors */
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error ("Timeout reading from remote system.");
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error ("Timeout reading from remote system.");
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}
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}
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perror_with_name ("remote-st2000");
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perror_with_name ("remote-st2000");
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}
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}
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/* Scan input from the remote system, until STRING is found. If DISCARD is
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/* Scan input from the remote system, until STRING is found. If DISCARD is
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non-zero, then discard non-matching input, else print it out.
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non-zero, then discard non-matching input, else print it out.
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Let the user break out immediately. */
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Let the user break out immediately. */
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static void
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static void
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expect (string, discard)
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expect (string, discard)
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char *string;
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char *string;
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int discard;
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int discard;
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{
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{
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char *p = string;
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char *p = string;
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int c;
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int c;
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immediate_quit = 1;
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immediate_quit = 1;
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while (1)
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while (1)
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{
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{
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c = readchar (timeout);
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c = readchar (timeout);
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if (c == *p++)
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if (c == *p++)
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{
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{
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if (*p == '\0')
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if (*p == '\0')
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{
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{
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immediate_quit = 0;
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immediate_quit = 0;
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return;
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return;
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}
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}
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}
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}
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else
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else
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{
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{
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if (!discard)
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if (!discard)
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{
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{
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fwrite (string, 1, (p - 1) - string, stdout);
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fwrite (string, 1, (p - 1) - string, stdout);
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putchar ((char) c);
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putchar ((char) c);
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fflush (stdout);
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fflush (stdout);
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}
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}
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p = string;
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p = string;
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}
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}
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}
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}
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}
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}
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/* Keep discarding input until we see the STDEBUG prompt.
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/* Keep discarding input until we see the STDEBUG prompt.
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|
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The convention for dealing with the prompt is that you
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The convention for dealing with the prompt is that you
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o give your command
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o give your command
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o *then* wait for the prompt.
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o *then* wait for the prompt.
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Thus the last thing that a procedure does with the serial line
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Thus the last thing that a procedure does with the serial line
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will be an expect_prompt(). Exception: st2000_resume does not
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will be an expect_prompt(). Exception: st2000_resume does not
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wait for the prompt, because the terminal is being handed over
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wait for the prompt, because the terminal is being handed over
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to the inferior. However, the next thing which happens after that
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to the inferior. However, the next thing which happens after that
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is a st2000_wait which does wait for the prompt.
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is a st2000_wait which does wait for the prompt.
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Note that this includes abnormal exit, e.g. error(). This is
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Note that this includes abnormal exit, e.g. error(). This is
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necessary to prevent getting into states from which we can't
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necessary to prevent getting into states from which we can't
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recover. */
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recover. */
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static void
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static void
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expect_prompt (discard)
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expect_prompt (discard)
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int discard;
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int discard;
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{
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{
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#if defined (LOG_FILE)
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#if defined (LOG_FILE)
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/* This is a convenient place to do this. The idea is to do it often
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/* This is a convenient place to do this. The idea is to do it often
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enough that we never lose much data if we terminate abnormally. */
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enough that we never lose much data if we terminate abnormally. */
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fflush (log_file);
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fflush (log_file);
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#endif
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#endif
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expect ("dbug> ", discard);
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expect ("dbug> ", discard);
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}
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}
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/* Get a hex digit from the remote system & return its value.
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/* Get a hex digit from the remote system & return its value.
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If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */
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If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */
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static int
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static int
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get_hex_digit (ignore_space)
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get_hex_digit (ignore_space)
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int ignore_space;
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int ignore_space;
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{
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{
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int ch;
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int ch;
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while (1)
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while (1)
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{
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{
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ch = readchar (timeout);
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ch = readchar (timeout);
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if (ch >= '0' && ch <= '9')
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if (ch >= '0' && ch <= '9')
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return ch - '0';
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return ch - '0';
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else if (ch >= 'A' && ch <= 'F')
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else if (ch >= 'A' && ch <= 'F')
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return ch - 'A' + 10;
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return ch - 'A' + 10;
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else if (ch >= 'a' && ch <= 'f')
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else if (ch >= 'a' && ch <= 'f')
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return ch - 'a' + 10;
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return ch - 'a' + 10;
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else if (ch == ' ' && ignore_space)
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else if (ch == ' ' && ignore_space)
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;
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;
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else
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else
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{
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{
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expect_prompt (1);
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expect_prompt (1);
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error ("Invalid hex digit from remote system.");
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error ("Invalid hex digit from remote system.");
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}
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}
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}
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}
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}
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}
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/* Get a byte from stdebug and put it in *BYT. Accept any number
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/* Get a byte from stdebug and put it in *BYT. Accept any number
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leading spaces. */
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leading spaces. */
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static void
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static void
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get_hex_byte (byt)
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get_hex_byte (byt)
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char *byt;
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char *byt;
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{
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{
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int val;
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int val;
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val = get_hex_digit (1) << 4;
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val = get_hex_digit (1) << 4;
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val |= get_hex_digit (0);
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val |= get_hex_digit (0);
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*byt = val;
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*byt = val;
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}
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}
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/* Get N 32-bit words from remote, each preceded by a space,
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/* Get N 32-bit words from remote, each preceded by a space,
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and put them in registers starting at REGNO. */
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and put them in registers starting at REGNO. */
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static void
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static void
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get_hex_regs (n, regno)
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get_hex_regs (n, regno)
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int n;
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int n;
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int regno;
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int regno;
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{
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{
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long val;
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long val;
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int i;
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int i;
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|
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for (i = 0; i < n; i++)
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for (i = 0; i < n; i++)
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{
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{
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int j;
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int j;
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|
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val = 0;
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val = 0;
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for (j = 0; j < 8; j++)
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for (j = 0; j < 8; j++)
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val = (val << 4) + get_hex_digit (j == 0);
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val = (val << 4) + get_hex_digit (j == 0);
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supply_register (regno++, (char *) &val);
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supply_register (regno++, (char *) &val);
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}
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}
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}
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}
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/* This is called not only when we first attach, but also when the
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/* This is called not only when we first attach, but also when the
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user types "run" after having attached. */
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user types "run" after having attached. */
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static void
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static void
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st2000_create_inferior (execfile, args, env)
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st2000_create_inferior (execfile, args, env)
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char *execfile;
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char *execfile;
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char *args;
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char *args;
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char **env;
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char **env;
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{
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{
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int entry_pt;
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int entry_pt;
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|
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if (args && *args)
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if (args && *args)
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error ("Can't pass arguments to remote STDEBUG process");
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error ("Can't pass arguments to remote STDEBUG process");
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|
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if (execfile == 0 || exec_bfd == 0)
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if (execfile == 0 || exec_bfd == 0)
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error ("No executable file specified");
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error ("No executable file specified");
|
|
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entry_pt = (int) bfd_get_start_address (exec_bfd);
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entry_pt = (int) bfd_get_start_address (exec_bfd);
|
|
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/* The "process" (board) is already stopped awaiting our commands, and
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/* The "process" (board) is already stopped awaiting our commands, and
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the program is already downloaded. We just set its PC and go. */
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the program is already downloaded. We just set its PC and go. */
|
|
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clear_proceed_status ();
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clear_proceed_status ();
|
|
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/* Tell wait_for_inferior that we've started a new process. */
|
/* Tell wait_for_inferior that we've started a new process. */
|
init_wait_for_inferior ();
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init_wait_for_inferior ();
|
|
|
/* Set up the "saved terminal modes" of the inferior
|
/* Set up the "saved terminal modes" of the inferior
|
based on what modes we are starting it with. */
|
based on what modes we are starting it with. */
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target_terminal_init ();
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target_terminal_init ();
|
|
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/* Install inferior's terminal modes. */
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/* Install inferior's terminal modes. */
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target_terminal_inferior ();
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target_terminal_inferior ();
|
|
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/* insert_step_breakpoint (); FIXME, do we need this? */
|
/* insert_step_breakpoint (); FIXME, do we need this? */
|
/* Let 'er rip... */
|
/* Let 'er rip... */
|
proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0);
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proceed ((CORE_ADDR) entry_pt, TARGET_SIGNAL_DEFAULT, 0);
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}
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}
|
|
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/* Open a connection to a remote debugger.
|
/* Open a connection to a remote debugger.
|
NAME is the filename used for communication. */
|
NAME is the filename used for communication. */
|
|
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static int baudrate = 9600;
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static int baudrate = 9600;
|
static char dev_name[100];
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static char dev_name[100];
|
|
|
static void
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static void
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st2000_open (args, from_tty)
|
st2000_open (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
int n;
|
int n;
|
char junk[100];
|
char junk[100];
|
|
|
target_preopen (from_tty);
|
target_preopen (from_tty);
|
|
|
n = sscanf (args, " %s %d %s", dev_name, &baudrate, junk);
|
n = sscanf (args, " %s %d %s", dev_name, &baudrate, junk);
|
|
|
if (n != 2)
|
if (n != 2)
|
error ("Bad arguments. Usage: target st2000 <device> <speed>\n\
|
error ("Bad arguments. Usage: target st2000 <device> <speed>\n\
|
or target st2000 <host> <port>\n");
|
or target st2000 <host> <port>\n");
|
|
|
st2000_close (0);
|
st2000_close (0);
|
|
|
st2000_desc = SERIAL_OPEN (dev_name);
|
st2000_desc = SERIAL_OPEN (dev_name);
|
|
|
if (!st2000_desc)
|
if (!st2000_desc)
|
perror_with_name (dev_name);
|
perror_with_name (dev_name);
|
|
|
SERIAL_SETBAUDRATE (st2000_desc, baudrate);
|
SERIAL_SETBAUDRATE (st2000_desc, baudrate);
|
|
|
SERIAL_RAW (st2000_desc);
|
SERIAL_RAW (st2000_desc);
|
|
|
push_target (&st2000_ops);
|
push_target (&st2000_ops);
|
|
|
#if defined (LOG_FILE)
|
#if defined (LOG_FILE)
|
log_file = fopen (LOG_FILE, "w");
|
log_file = fopen (LOG_FILE, "w");
|
if (log_file == NULL)
|
if (log_file == NULL)
|
perror_with_name (LOG_FILE);
|
perror_with_name (LOG_FILE);
|
#endif
|
#endif
|
|
|
/* Hello? Are you there? */
|
/* Hello? Are you there? */
|
printf_stdebug ("\003"); /* ^C wakes up dbug */
|
printf_stdebug ("\003"); /* ^C wakes up dbug */
|
|
|
expect_prompt (1);
|
expect_prompt (1);
|
|
|
if (from_tty)
|
if (from_tty)
|
printf ("Remote %s connected to %s\n", target_shortname,
|
printf ("Remote %s connected to %s\n", target_shortname,
|
dev_name);
|
dev_name);
|
}
|
}
|
|
|
/* Close out all files and local state before this target loses control. */
|
/* Close out all files and local state before this target loses control. */
|
|
|
static void
|
static void
|
st2000_close (quitting)
|
st2000_close (quitting)
|
int quitting;
|
int quitting;
|
{
|
{
|
SERIAL_CLOSE (st2000_desc);
|
SERIAL_CLOSE (st2000_desc);
|
|
|
#if defined (LOG_FILE)
|
#if defined (LOG_FILE)
|
if (log_file)
|
if (log_file)
|
{
|
{
|
if (ferror (log_file))
|
if (ferror (log_file))
|
fprintf (stderr, "Error writing log file.\n");
|
fprintf (stderr, "Error writing log file.\n");
|
if (fclose (log_file) != 0)
|
if (fclose (log_file) != 0)
|
fprintf (stderr, "Error closing log file.\n");
|
fprintf (stderr, "Error closing log file.\n");
|
}
|
}
|
#endif
|
#endif
|
}
|
}
|
|
|
/* Terminate the open connection to the remote debugger.
|
/* Terminate the open connection to the remote debugger.
|
Use this when you want to detach and do something else
|
Use this when you want to detach and do something else
|
with your gdb. */
|
with your gdb. */
|
static void
|
static void
|
st2000_detach (from_tty)
|
st2000_detach (from_tty)
|
int from_tty;
|
int from_tty;
|
{
|
{
|
pop_target (); /* calls st2000_close to do the real work */
|
pop_target (); /* calls st2000_close to do the real work */
|
if (from_tty)
|
if (from_tty)
|
printf ("Ending remote %s debugging\n", target_shortname);
|
printf ("Ending remote %s debugging\n", target_shortname);
|
}
|
}
|
|
|
/* Tell the remote machine to resume. */
|
/* Tell the remote machine to resume. */
|
|
|
static void
|
static void
|
st2000_resume (pid, step, sig)
|
st2000_resume (pid, step, sig)
|
int pid, step;
|
int pid, step;
|
enum target_signal sig;
|
enum target_signal sig;
|
{
|
{
|
if (step)
|
if (step)
|
{
|
{
|
printf_stdebug ("ST\r");
|
printf_stdebug ("ST\r");
|
/* Wait for the echo. */
|
/* Wait for the echo. */
|
expect ("ST\r", 1);
|
expect ("ST\r", 1);
|
}
|
}
|
else
|
else
|
{
|
{
|
printf_stdebug ("GO\r");
|
printf_stdebug ("GO\r");
|
/* Swallow the echo. */
|
/* Swallow the echo. */
|
expect ("GO\r", 1);
|
expect ("GO\r", 1);
|
}
|
}
|
}
|
}
|
|
|
/* Wait until the remote machine stops, then return,
|
/* Wait until the remote machine stops, then return,
|
storing status in STATUS just as `wait' would. */
|
storing status in STATUS just as `wait' would. */
|
|
|
static int
|
static int
|
st2000_wait (status)
|
st2000_wait (status)
|
struct target_waitstatus *status;
|
struct target_waitstatus *status;
|
{
|
{
|
int old_timeout = timeout;
|
int old_timeout = timeout;
|
|
|
status->kind = TARGET_WAITKIND_EXITED;
|
status->kind = TARGET_WAITKIND_EXITED;
|
status->value.integer = 0;
|
status->value.integer = 0;
|
|
|
timeout = 0; /* Don't time out -- user program is running. */
|
timeout = 0; /* Don't time out -- user program is running. */
|
|
|
expect_prompt (0); /* Wait for prompt, outputting extraneous text */
|
expect_prompt (0); /* Wait for prompt, outputting extraneous text */
|
|
|
status->kind = TARGET_WAITKIND_STOPPED;
|
status->kind = TARGET_WAITKIND_STOPPED;
|
status->value.sig = TARGET_SIGNAL_TRAP;
|
status->value.sig = TARGET_SIGNAL_TRAP;
|
|
|
timeout = old_timeout;
|
timeout = old_timeout;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Return the name of register number REGNO in the form input and output by
|
/* 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. Currently, REGISTER_NAMES just happens to contain exactly what
|
STDEBUG wants. Lets take advantage of that just as long as possible! */
|
STDEBUG wants. Lets take advantage of that just as long as possible! */
|
|
|
static char *
|
static char *
|
get_reg_name (regno)
|
get_reg_name (regno)
|
int regno;
|
int regno;
|
{
|
{
|
static char buf[50];
|
static char buf[50];
|
const char *p;
|
const char *p;
|
char *b;
|
char *b;
|
|
|
b = buf;
|
b = buf;
|
|
|
for (p = REGISTER_NAME (regno); *p; p++)
|
for (p = REGISTER_NAME (regno); *p; p++)
|
*b++ = toupper (*p);
|
*b++ = toupper (*p);
|
*b = '\000';
|
*b = '\000';
|
|
|
return buf;
|
return buf;
|
}
|
}
|
|
|
/* Read the remote registers into the block REGS. */
|
/* Read the remote registers into the block REGS. */
|
|
|
static void
|
static void
|
st2000_fetch_registers ()
|
st2000_fetch_registers ()
|
{
|
{
|
int regno;
|
int regno;
|
|
|
/* Yeah yeah, I know this is horribly inefficient. But it isn't done
|
/* Yeah yeah, I know this is horribly inefficient. But it isn't done
|
very often... I'll clean it up later. */
|
very often... I'll clean it up later. */
|
|
|
for (regno = 0; regno <= PC_REGNUM; regno++)
|
for (regno = 0; regno <= PC_REGNUM; regno++)
|
st2000_fetch_register (regno);
|
st2000_fetch_register (regno);
|
}
|
}
|
|
|
/* Fetch register REGNO, or all registers if REGNO is -1.
|
/* Fetch register REGNO, or all registers if REGNO is -1.
|
Returns errno value. */
|
Returns errno value. */
|
static void
|
static void
|
st2000_fetch_register (regno)
|
st2000_fetch_register (regno)
|
int regno;
|
int regno;
|
{
|
{
|
if (regno == -1)
|
if (regno == -1)
|
st2000_fetch_registers ();
|
st2000_fetch_registers ();
|
else
|
else
|
{
|
{
|
char *name = get_reg_name (regno);
|
char *name = get_reg_name (regno);
|
printf_stdebug ("DR %s\r", name);
|
printf_stdebug ("DR %s\r", name);
|
expect (name, 1);
|
expect (name, 1);
|
expect (" : ", 1);
|
expect (" : ", 1);
|
get_hex_regs (1, regno);
|
get_hex_regs (1, regno);
|
expect_prompt (1);
|
expect_prompt (1);
|
}
|
}
|
return;
|
return;
|
}
|
}
|
|
|
/* Store the remote registers from the contents of the block REGS. */
|
/* Store the remote registers from the contents of the block REGS. */
|
|
|
static void
|
static void
|
st2000_store_registers ()
|
st2000_store_registers ()
|
{
|
{
|
int regno;
|
int regno;
|
|
|
for (regno = 0; regno <= PC_REGNUM; regno++)
|
for (regno = 0; regno <= PC_REGNUM; regno++)
|
st2000_store_register (regno);
|
st2000_store_register (regno);
|
|
|
registers_changed ();
|
registers_changed ();
|
}
|
}
|
|
|
/* Store register REGNO, or all if REGNO == 0.
|
/* Store register REGNO, or all if REGNO == 0.
|
Return errno value. */
|
Return errno value. */
|
static void
|
static void
|
st2000_store_register (regno)
|
st2000_store_register (regno)
|
int regno;
|
int regno;
|
{
|
{
|
if (regno == -1)
|
if (regno == -1)
|
st2000_store_registers ();
|
st2000_store_registers ();
|
else
|
else
|
{
|
{
|
printf_stdebug ("PR %s %x\r", get_reg_name (regno),
|
printf_stdebug ("PR %s %x\r", get_reg_name (regno),
|
read_register (regno));
|
read_register (regno));
|
|
|
expect_prompt (1);
|
expect_prompt (1);
|
}
|
}
|
}
|
}
|
|
|
/* Get ready to modify the registers array. On machines which store
|
/* Get ready to modify the registers array. On machines which store
|
individual registers, this doesn't need to do anything. On machines
|
individual registers, this doesn't need to do anything. On machines
|
which store all the registers in one fell swoop, this makes sure
|
which store all the registers in one fell swoop, this makes sure
|
that registers contains all the registers from the program being
|
that registers contains all the registers from the program being
|
debugged. */
|
debugged. */
|
|
|
static void
|
static void
|
st2000_prepare_to_store ()
|
st2000_prepare_to_store ()
|
{
|
{
|
/* Do nothing, since we can store individual regs */
|
/* Do nothing, since we can store individual regs */
|
}
|
}
|
|
|
static void
|
static void
|
st2000_files_info ()
|
st2000_files_info ()
|
{
|
{
|
printf ("\tAttached to %s at %d baud.\n",
|
printf ("\tAttached to %s at %d baud.\n",
|
dev_name, baudrate);
|
dev_name, baudrate);
|
}
|
}
|
|
|
/* Copy LEN bytes of data from debugger memory at MYADDR
|
/* Copy LEN bytes of data from debugger memory at MYADDR
|
to inferior's memory at MEMADDR. Returns length moved. */
|
to inferior's memory at MEMADDR. Returns length moved. */
|
static int
|
static int
|
st2000_write_inferior_memory (memaddr, myaddr, len)
|
st2000_write_inferior_memory (memaddr, myaddr, len)
|
CORE_ADDR memaddr;
|
CORE_ADDR memaddr;
|
unsigned char *myaddr;
|
unsigned char *myaddr;
|
int len;
|
int len;
|
{
|
{
|
int i;
|
int i;
|
|
|
for (i = 0; i < len; i++)
|
for (i = 0; i < len; i++)
|
{
|
{
|
printf_stdebug ("PM.B %x %x\r", memaddr + i, myaddr[i]);
|
printf_stdebug ("PM.B %x %x\r", memaddr + i, myaddr[i]);
|
expect_prompt (1);
|
expect_prompt (1);
|
}
|
}
|
return len;
|
return len;
|
}
|
}
|
|
|
/* Read LEN bytes from inferior memory at MEMADDR. Put the result
|
/* Read LEN bytes from inferior memory at MEMADDR. Put the result
|
at debugger address MYADDR. Returns length moved. */
|
at debugger address MYADDR. Returns length moved. */
|
static int
|
static int
|
st2000_read_inferior_memory (memaddr, myaddr, len)
|
st2000_read_inferior_memory (memaddr, myaddr, len)
|
CORE_ADDR memaddr;
|
CORE_ADDR memaddr;
|
char *myaddr;
|
char *myaddr;
|
int len;
|
int len;
|
{
|
{
|
int i;
|
int i;
|
|
|
/* Number of bytes read so far. */
|
/* Number of bytes read so far. */
|
int count;
|
int count;
|
|
|
/* Starting address of this pass. */
|
/* Starting address of this pass. */
|
unsigned long startaddr;
|
unsigned long startaddr;
|
|
|
/* Number of bytes to read in this pass. */
|
/* Number of bytes to read in this pass. */
|
int len_this_pass;
|
int len_this_pass;
|
|
|
/* Note that this code works correctly if startaddr is just less
|
/* Note that this code works correctly if startaddr is just less
|
than UINT_MAX (well, really CORE_ADDR_MAX if there was such a
|
than UINT_MAX (well, really CORE_ADDR_MAX if there was such a
|
thing). That is, something like
|
thing). That is, something like
|
st2000_read_bytes (CORE_ADDR_MAX - 4, foo, 4)
|
st2000_read_bytes (CORE_ADDR_MAX - 4, foo, 4)
|
works--it never adds len to memaddr and gets 0. */
|
works--it never adds len to memaddr and gets 0. */
|
/* However, something like
|
/* However, something like
|
st2000_read_bytes (CORE_ADDR_MAX - 3, foo, 4)
|
st2000_read_bytes (CORE_ADDR_MAX - 3, foo, 4)
|
doesn't need to work. Detect it and give up if there's an attempt
|
doesn't need to work. Detect it and give up if there's an attempt
|
to do that. */
|
to do that. */
|
if (((memaddr - 1) + len) < memaddr)
|
if (((memaddr - 1) + len) < memaddr)
|
{
|
{
|
errno = EIO;
|
errno = EIO;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
startaddr = memaddr;
|
startaddr = memaddr;
|
count = 0;
|
count = 0;
|
while (count < len)
|
while (count < len)
|
{
|
{
|
len_this_pass = 16;
|
len_this_pass = 16;
|
if ((startaddr % 16) != 0)
|
if ((startaddr % 16) != 0)
|
len_this_pass -= startaddr % 16;
|
len_this_pass -= startaddr % 16;
|
if (len_this_pass > (len - count))
|
if (len_this_pass > (len - count))
|
len_this_pass = (len - count);
|
len_this_pass = (len - count);
|
|
|
printf_stdebug ("DI.L %x %x\r", startaddr, len_this_pass);
|
printf_stdebug ("DI.L %x %x\r", startaddr, len_this_pass);
|
expect (": ", 1);
|
expect (": ", 1);
|
|
|
for (i = 0; i < len_this_pass; i++)
|
for (i = 0; i < len_this_pass; i++)
|
get_hex_byte (&myaddr[count++]);
|
get_hex_byte (&myaddr[count++]);
|
|
|
expect_prompt (1);
|
expect_prompt (1);
|
|
|
startaddr += len_this_pass;
|
startaddr += len_this_pass;
|
}
|
}
|
return len;
|
return len;
|
}
|
}
|
|
|
/* FIXME-someday! Merge these two. */
|
/* FIXME-someday! Merge these two. */
|
static int
|
static int
|
st2000_xfer_inferior_memory (memaddr, myaddr, len, write, target)
|
st2000_xfer_inferior_memory (memaddr, myaddr, len, write, target)
|
CORE_ADDR memaddr;
|
CORE_ADDR memaddr;
|
char *myaddr;
|
char *myaddr;
|
int len;
|
int len;
|
int write;
|
int write;
|
struct target_ops *target; /* ignored */
|
struct target_ops *target; /* ignored */
|
{
|
{
|
if (write)
|
if (write)
|
return st2000_write_inferior_memory (memaddr, myaddr, len);
|
return st2000_write_inferior_memory (memaddr, myaddr, len);
|
else
|
else
|
return st2000_read_inferior_memory (memaddr, myaddr, len);
|
return st2000_read_inferior_memory (memaddr, myaddr, len);
|
}
|
}
|
|
|
static void
|
static void
|
st2000_kill (args, from_tty)
|
st2000_kill (args, from_tty)
|
char *args;
|
char *args;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
return; /* Ignore attempts to kill target system */
|
return; /* Ignore attempts to kill target system */
|
}
|
}
|
|
|
/* Clean up when a program exits.
|
/* Clean up when a program exits.
|
|
|
The program actually lives on in the remote processor's RAM, and may be
|
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
|
run again without a download. Don't leave it full of breakpoint
|
instructions. */
|
instructions. */
|
|
|
static void
|
static void
|
st2000_mourn_inferior ()
|
st2000_mourn_inferior ()
|
{
|
{
|
remove_breakpoints ();
|
remove_breakpoints ();
|
unpush_target (&st2000_ops);
|
unpush_target (&st2000_ops);
|
generic_mourn_inferior (); /* Do all the proper things now */
|
generic_mourn_inferior (); /* Do all the proper things now */
|
}
|
}
|
|
|
#define MAX_STDEBUG_BREAKPOINTS 16
|
#define MAX_STDEBUG_BREAKPOINTS 16
|
|
|
static CORE_ADDR breakaddr[MAX_STDEBUG_BREAKPOINTS] =
|
static CORE_ADDR breakaddr[MAX_STDEBUG_BREAKPOINTS] =
|
{0};
|
{0};
|
|
|
static int
|
static int
|
st2000_insert_breakpoint (addr, shadow)
|
st2000_insert_breakpoint (addr, shadow)
|
CORE_ADDR addr;
|
CORE_ADDR addr;
|
char *shadow;
|
char *shadow;
|
{
|
{
|
int i;
|
int i;
|
CORE_ADDR bp_addr = addr;
|
CORE_ADDR bp_addr = addr;
|
int bp_size = 0;
|
int bp_size = 0;
|
|
|
BREAKPOINT_FROM_PC (&bp_addr, &bp_size);
|
BREAKPOINT_FROM_PC (&bp_addr, &bp_size);
|
|
|
for (i = 0; i <= MAX_STDEBUG_BREAKPOINTS; i++)
|
for (i = 0; i <= MAX_STDEBUG_BREAKPOINTS; i++)
|
if (breakaddr[i] == 0)
|
if (breakaddr[i] == 0)
|
{
|
{
|
breakaddr[i] = addr;
|
breakaddr[i] = addr;
|
|
|
st2000_read_inferior_memory (bp_addr, shadow, bp_size);
|
st2000_read_inferior_memory (bp_addr, shadow, bp_size);
|
printf_stdebug ("BR %x H\r", addr);
|
printf_stdebug ("BR %x H\r", addr);
|
expect_prompt (1);
|
expect_prompt (1);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
fprintf (stderr, "Too many breakpoints (> 16) for STDBUG\n");
|
fprintf (stderr, "Too many breakpoints (> 16) for STDBUG\n");
|
return 1;
|
return 1;
|
}
|
}
|
|
|
static int
|
static int
|
st2000_remove_breakpoint (addr, shadow)
|
st2000_remove_breakpoint (addr, shadow)
|
CORE_ADDR addr;
|
CORE_ADDR addr;
|
char *shadow;
|
char *shadow;
|
{
|
{
|
int i;
|
int i;
|
|
|
for (i = 0; i < MAX_STDEBUG_BREAKPOINTS; i++)
|
for (i = 0; i < MAX_STDEBUG_BREAKPOINTS; i++)
|
if (breakaddr[i] == addr)
|
if (breakaddr[i] == addr)
|
{
|
{
|
breakaddr[i] = 0;
|
breakaddr[i] = 0;
|
|
|
printf_stdebug ("CB %d\r", i);
|
printf_stdebug ("CB %d\r", i);
|
expect_prompt (1);
|
expect_prompt (1);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
fprintf (stderr, "Can't find breakpoint associated with 0x%x\n", addr);
|
fprintf (stderr, "Can't find breakpoint associated with 0x%x\n", addr);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
|
|
/* Put a command string, in args, out to STDBUG. Output from STDBUG is placed
|
/* Put a command string, in args, out to STDBUG. Output from STDBUG is placed
|
on the users terminal until the prompt is seen. */
|
on the users terminal until the prompt is seen. */
|
|
|
static void
|
static void
|
st2000_command (args, fromtty)
|
st2000_command (args, fromtty)
|
char *args;
|
char *args;
|
int fromtty;
|
int fromtty;
|
{
|
{
|
if (!st2000_desc)
|
if (!st2000_desc)
|
error ("st2000 target not open.");
|
error ("st2000 target not open.");
|
|
|
if (!args)
|
if (!args)
|
error ("Missing command.");
|
error ("Missing command.");
|
|
|
printf_stdebug ("%s\r", args);
|
printf_stdebug ("%s\r", args);
|
expect_prompt (0);
|
expect_prompt (0);
|
}
|
}
|
|
|
/* Connect the user directly to STDBUG. This command acts just like the
|
/* Connect the user directly to STDBUG. This command acts just like the
|
'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */
|
'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */
|
|
|
/*static struct ttystate ttystate; */
|
/*static struct ttystate ttystate; */
|
|
|
static void
|
static void
|
cleanup_tty ()
|
cleanup_tty ()
|
{
|
{
|
printf ("\r\n[Exiting connect mode]\r\n");
|
printf ("\r\n[Exiting connect mode]\r\n");
|
/* SERIAL_RESTORE(0, &ttystate); */
|
/* SERIAL_RESTORE(0, &ttystate); */
|
}
|
}
|
|
|
#if 0
|
#if 0
|
/* This all should now be in serial.c */
|
/* This all should now be in serial.c */
|
|
|
static void
|
static void
|
connect_command (args, fromtty)
|
connect_command (args, fromtty)
|
char *args;
|
char *args;
|
int fromtty;
|
int fromtty;
|
{
|
{
|
fd_set readfds;
|
fd_set readfds;
|
int numfds;
|
int numfds;
|
int c;
|
int c;
|
char cur_esc = 0;
|
char cur_esc = 0;
|
|
|
dont_repeat ();
|
dont_repeat ();
|
|
|
if (st2000_desc < 0)
|
if (st2000_desc < 0)
|
error ("st2000 target not open.");
|
error ("st2000 target not open.");
|
|
|
if (args)
|
if (args)
|
fprintf ("This command takes no args. They have been ignored.\n");
|
fprintf ("This command takes no args. They have been ignored.\n");
|
|
|
printf ("[Entering connect mode. Use ~. or ~^D to escape]\n");
|
printf ("[Entering connect mode. Use ~. or ~^D to escape]\n");
|
|
|
serial_raw (0, &ttystate);
|
serial_raw (0, &ttystate);
|
|
|
make_cleanup (cleanup_tty, 0);
|
make_cleanup (cleanup_tty, 0);
|
|
|
FD_ZERO (&readfds);
|
FD_ZERO (&readfds);
|
|
|
while (1)
|
while (1)
|
{
|
{
|
do
|
do
|
{
|
{
|
FD_SET (0, &readfds);
|
FD_SET (0, &readfds);
|
FD_SET (DEPRECATED_SERIAL_FD (st2000_desc), &readfds);
|
FD_SET (DEPRECATED_SERIAL_FD (st2000_desc), &readfds);
|
numfds = select (sizeof (readfds) * 8, &readfds, 0, 0, 0);
|
numfds = select (sizeof (readfds) * 8, &readfds, 0, 0, 0);
|
}
|
}
|
while (numfds == 0);
|
while (numfds == 0);
|
|
|
if (numfds < 0)
|
if (numfds < 0)
|
perror_with_name ("select");
|
perror_with_name ("select");
|
|
|
if (FD_ISSET (0, &readfds))
|
if (FD_ISSET (0, &readfds))
|
{ /* tty input, send to stdebug */
|
{ /* tty input, send to stdebug */
|
c = getchar ();
|
c = getchar ();
|
if (c < 0)
|
if (c < 0)
|
perror_with_name ("connect");
|
perror_with_name ("connect");
|
|
|
printf_stdebug ("%c", c);
|
printf_stdebug ("%c", c);
|
switch (cur_esc)
|
switch (cur_esc)
|
{
|
{
|
case 0:
|
case 0:
|
if (c == '\r')
|
if (c == '\r')
|
cur_esc = c;
|
cur_esc = c;
|
break;
|
break;
|
case '\r':
|
case '\r':
|
if (c == '~')
|
if (c == '~')
|
cur_esc = c;
|
cur_esc = c;
|
else
|
else
|
cur_esc = 0;
|
cur_esc = 0;
|
break;
|
break;
|
case '~':
|
case '~':
|
if (c == '.' || c == '\004')
|
if (c == '.' || c == '\004')
|
return;
|
return;
|
else
|
else
|
cur_esc = 0;
|
cur_esc = 0;
|
}
|
}
|
}
|
}
|
|
|
if (FD_ISSET (DEPRECATED_SERIAL_FD (st2000_desc), &readfds))
|
if (FD_ISSET (DEPRECATED_SERIAL_FD (st2000_desc), &readfds))
|
{
|
{
|
while (1)
|
while (1)
|
{
|
{
|
c = readchar (0);
|
c = readchar (0);
|
if (c < 0)
|
if (c < 0)
|
break;
|
break;
|
putchar (c);
|
putchar (c);
|
}
|
}
|
fflush (stdout);
|
fflush (stdout);
|
}
|
}
|
}
|
}
|
}
|
}
|
#endif /* 0 */
|
#endif /* 0 */
|
|
|
/* Define the target subroutine names */
|
/* Define the target subroutine names */
|
|
|
struct target_ops st2000_ops;
|
struct target_ops st2000_ops;
|
|
|
static void
|
static void
|
init_st2000_ops (void)
|
init_st2000_ops (void)
|
{
|
{
|
st2000_ops.to_shortname = "st2000";
|
st2000_ops.to_shortname = "st2000";
|
st2000_ops.to_longname = "Remote serial Tandem ST2000 target";
|
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\
|
st2000_ops.to_doc = "Use a remote computer running STDEBUG connected by a serial line;\n\
|
or a network connection.\n\
|
or a network connection.\n\
|
Arguments are the name of the device for the serial line,\n\
|
Arguments are the name of the device for the serial line,\n\
|
the speed to connect at in bits per second.";
|
the speed to connect at in bits per second.";
|
st2000_ops.to_open = st2000_open;
|
st2000_ops.to_open = st2000_open;
|
st2000_ops.to_close = st2000_close;
|
st2000_ops.to_close = st2000_close;
|
st2000_ops.to_attach = 0;
|
st2000_ops.to_attach = 0;
|
st2000_run_ops.to_post_attach = NULL;
|
st2000_run_ops.to_post_attach = NULL;
|
st2000_ops.to_require_attach = NULL;
|
st2000_ops.to_require_attach = NULL;
|
st2000_ops.to_detach = st2000_detach;
|
st2000_ops.to_detach = st2000_detach;
|
st2000_ops.to_require_detach = NULL;
|
st2000_ops.to_require_detach = NULL;
|
st2000_ops.to_resume = st2000_resume;
|
st2000_ops.to_resume = st2000_resume;
|
st2000_ops.to_wait = st2000_wait;
|
st2000_ops.to_wait = st2000_wait;
|
st2000_ops.to_post_wait = NULL;
|
st2000_ops.to_post_wait = NULL;
|
st2000_ops.to_fetch_registers = st2000_fetch_register;
|
st2000_ops.to_fetch_registers = st2000_fetch_register;
|
st2000_ops.to_store_registers = st2000_store_register;
|
st2000_ops.to_store_registers = st2000_store_register;
|
st2000_ops.to_prepare_to_store = st2000_prepare_to_store;
|
st2000_ops.to_prepare_to_store = st2000_prepare_to_store;
|
st2000_ops.to_xfer_memory = st2000_xfer_inferior_memory;
|
st2000_ops.to_xfer_memory = st2000_xfer_inferior_memory;
|
st2000_ops.to_files_info = st2000_files_info;
|
st2000_ops.to_files_info = st2000_files_info;
|
st2000_ops.to_insert_breakpoint = st2000_insert_breakpoint;
|
st2000_ops.to_insert_breakpoint = st2000_insert_breakpoint;
|
st2000_ops.to_remove_breakpoint = st2000_remove_breakpoint; /* Breakpoints */
|
st2000_ops.to_remove_breakpoint = st2000_remove_breakpoint; /* Breakpoints */
|
st2000_ops.to_terminal_init = 0;
|
st2000_ops.to_terminal_init = 0;
|
st2000_ops.to_terminal_inferior = 0;
|
st2000_ops.to_terminal_inferior = 0;
|
st2000_ops.to_terminal_ours_for_output = 0;
|
st2000_ops.to_terminal_ours_for_output = 0;
|
st2000_ops.to_terminal_ours = 0;
|
st2000_ops.to_terminal_ours = 0;
|
st2000_ops.to_terminal_info = 0; /* Terminal handling */
|
st2000_ops.to_terminal_info = 0; /* Terminal handling */
|
st2000_ops.to_kill = st2000_kill;
|
st2000_ops.to_kill = st2000_kill;
|
st2000_ops.to_load = 0; /* load */
|
st2000_ops.to_load = 0; /* load */
|
st2000_ops.to_lookup_symbol = 0; /* lookup_symbol */
|
st2000_ops.to_lookup_symbol = 0; /* lookup_symbol */
|
st2000_ops.to_create_inferior = st2000_create_inferior;
|
st2000_ops.to_create_inferior = st2000_create_inferior;
|
st2000_ops.to_post_startup_inferior = NULL;
|
st2000_ops.to_post_startup_inferior = NULL;
|
st2000_ops.to_acknowledge_created_inferior = NULL;
|
st2000_ops.to_acknowledge_created_inferior = NULL;
|
st2000_ops.to_clone_and_follow_inferior = NULL;
|
st2000_ops.to_clone_and_follow_inferior = NULL;
|
st2000_ops.to_post_follow_inferior_by_clone = NULL;
|
st2000_ops.to_post_follow_inferior_by_clone = NULL;
|
st2000_run_ops.to_insert_fork_catchpoint = NULL;
|
st2000_run_ops.to_insert_fork_catchpoint = NULL;
|
st2000_run_ops.to_remove_fork_catchpoint = NULL;
|
st2000_run_ops.to_remove_fork_catchpoint = NULL;
|
st2000_run_ops.to_insert_vfork_catchpoint = NULL;
|
st2000_run_ops.to_insert_vfork_catchpoint = NULL;
|
st2000_run_ops.to_remove_vfork_catchpoint = NULL;
|
st2000_run_ops.to_remove_vfork_catchpoint = NULL;
|
st2000_ops.to_has_forked = NULL;
|
st2000_ops.to_has_forked = NULL;
|
st2000_ops.to_has_vforked = NULL;
|
st2000_ops.to_has_vforked = NULL;
|
st2000_run_ops.to_can_follow_vfork_prior_to_exec = NULL;
|
st2000_run_ops.to_can_follow_vfork_prior_to_exec = NULL;
|
st2000_ops.to_post_follow_vfork = NULL;
|
st2000_ops.to_post_follow_vfork = NULL;
|
st2000_run_ops.to_insert_exec_catchpoint = NULL;
|
st2000_run_ops.to_insert_exec_catchpoint = NULL;
|
st2000_run_ops.to_remove_exec_catchpoint = NULL;
|
st2000_run_ops.to_remove_exec_catchpoint = NULL;
|
st2000_run_ops.to_has_execd = NULL;
|
st2000_run_ops.to_has_execd = NULL;
|
st2000_run_ops.to_reported_exec_events_per_exec_call = NULL;
|
st2000_run_ops.to_reported_exec_events_per_exec_call = NULL;
|
st2000_run_ops.to_has_exited = NULL;
|
st2000_run_ops.to_has_exited = NULL;
|
st2000_ops.to_mourn_inferior = st2000_mourn_inferior;
|
st2000_ops.to_mourn_inferior = st2000_mourn_inferior;
|
st2000_ops.to_can_run = 0; /* can_run */
|
st2000_ops.to_can_run = 0; /* can_run */
|
st2000_ops.to_notice_signals = 0; /* notice_signals */
|
st2000_ops.to_notice_signals = 0; /* notice_signals */
|
st2000_ops.to_thread_alive = 0; /* thread alive */
|
st2000_ops.to_thread_alive = 0; /* thread alive */
|
st2000_ops.to_stop = 0; /* to_stop */
|
st2000_ops.to_stop = 0; /* to_stop */
|
st2000_ops.to_pid_to_exec_file = NULL;
|
st2000_ops.to_pid_to_exec_file = NULL;
|
st2000_run_ops.to_core_file_to_sym_file = NULL;
|
st2000_run_ops.to_core_file_to_sym_file = NULL;
|
st2000_ops.to_stratum = process_stratum;
|
st2000_ops.to_stratum = process_stratum;
|
st2000_ops.DONT_USE = 0; /* next */
|
st2000_ops.DONT_USE = 0; /* next */
|
st2000_ops.to_has_all_memory = 1;
|
st2000_ops.to_has_all_memory = 1;
|
st2000_ops.to_has_memory = 1;
|
st2000_ops.to_has_memory = 1;
|
st2000_ops.to_has_stack = 1;
|
st2000_ops.to_has_stack = 1;
|
st2000_ops.to_has_registers = 1;
|
st2000_ops.to_has_registers = 1;
|
st2000_ops.to_has_execution = 1; /* all mem, mem, stack, regs, exec */
|
st2000_ops.to_has_execution = 1; /* all mem, mem, stack, regs, exec */
|
st2000_ops.to_sections = 0;
|
st2000_ops.to_sections = 0;
|
st2000_ops.to_sections_end = 0; /* Section pointers */
|
st2000_ops.to_sections_end = 0; /* Section pointers */
|
st2000_ops.to_magic = OPS_MAGIC; /* Always the last thing */
|
st2000_ops.to_magic = OPS_MAGIC; /* Always the last thing */
|
};
|
};
|
|
|
void
|
void
|
_initialize_remote_st2000 ()
|
_initialize_remote_st2000 ()
|
{
|
{
|
init_st2000_ops ();
|
init_st2000_ops ();
|
add_target (&st2000_ops);
|
add_target (&st2000_ops);
|
add_com ("st2000 <command>", class_obscure, st2000_command,
|
add_com ("st2000 <command>", class_obscure, st2000_command,
|
"Send a command to the STDBUG monitor.");
|
"Send a command to the STDBUG monitor.");
|
add_com ("connect", class_obscure, connect_command,
|
add_com ("connect", class_obscure, connect_command,
|
"Connect the terminal directly up to the STDBUG command monitor.\n\
|
"Connect the terminal directly up to the STDBUG command monitor.\n\
|
Use <CR>~. or <CR>~^D to break out.");
|
Use <CR>~. or <CR>~^D to break out.");
|
}
|
}
|
|
|
