/* Generic serial interface routines
- Copyright 1992, 1993, 1996, 1997 Free Software Foundation, Inc.
-This file is part of GDB.
+ Copyright (C) 1992-2014 Free Software Foundation, Inc.
-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 file is part of GDB.
-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.
+ 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 3 of the License, or
+ (at your option) any later version.
-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 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, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include <ctype.h>
#include "serial.h"
-#include "gdb_string.h"
#include "gdbcmd.h"
+#include "cli/cli-utils.h"
-/* Linked list of serial I/O handlers */
+extern void _initialize_serial (void);
-static struct serial_ops *serial_ops_list = NULL;
+/* Is serial being debugged? */
-/* This is the last serial stream opened. Used by connect command. */
+static unsigned int global_serial_debug_p;
-static serial_t last_serial_opened = NULL;
+typedef const struct serial_ops *serial_ops_p;
+DEF_VEC_P (serial_ops_p);
-/* Pointer to list of scb's. */
+/* Serial I/O handlers. */
-static serial_t scb_base;
+VEC (serial_ops_p) *serial_ops_list = NULL;
-/* Non-NULL gives filename which contains a recording of the remote session,
- suitable for playback by gdbserver. */
+/* Pointer to list of scb's. */
-static char *serial_logfile = NULL;
-static FILE *serial_logfp = NULL;
+static struct serial *scb_base;
-static struct serial_ops *serial_interface_lookup PARAMS ((char *));
-static void serial_logchar PARAMS ((int chtype, int ch, int timeout));
-static char logbase_hex[] = "hex";
-static char logbase_octal[] = "octal";
-static char logbase_ascii[] = "ascii";
-static char *logbase_enums[] = {logbase_hex, logbase_octal, logbase_ascii, NULL};
-static char *serial_logbase = logbase_ascii;
+/* Non-NULL gives filename which contains a recording of the remote session,
+ suitable for playback by gdbserver. */
+static char *serial_logfile = NULL;
+static struct ui_file *serial_logfp = NULL;
+
+static const struct serial_ops *serial_interface_lookup (const char *);
+static void serial_logchar (struct ui_file *stream,
+ int ch_type, int ch, int timeout);
+static const char logbase_hex[] = "hex";
+static const char logbase_octal[] = "octal";
+static const char logbase_ascii[] = "ascii";
+static const char *const logbase_enums[] =
+{logbase_hex, logbase_octal, logbase_ascii, NULL};
+static const char *serial_logbase = logbase_ascii;
\f
+
static int serial_current_type = 0;
-/* Log char CH of type CHTYPE, with TIMEOUT */
+/* Log char CH of type CHTYPE, with TIMEOUT. */
/* Define bogus char to represent a BREAK. Should be careful to choose a value
that can't be confused with a normal char, or an error code. */
#define SERIAL_BREAK 1235
static void
-serial_logchar (chtype, ch, timeout)
- int chtype;
- int ch;
- int timeout;
+serial_logchar (struct ui_file *stream, int ch_type, int ch, int timeout)
{
- if (chtype != serial_current_type)
+ if (ch_type != serial_current_type)
{
- fprintf_unfiltered (serial_logfp, "\n%c ", chtype);
- serial_current_type = chtype;
+ fprintf_unfiltered (stream, "\n%c ", ch_type);
+ serial_current_type = ch_type;
}
if (serial_logbase != logbase_ascii)
- fputc_unfiltered (' ', serial_logfp);
+ fputc_unfiltered (' ', stream);
switch (ch)
{
case SERIAL_TIMEOUT:
- fprintf_unfiltered (serial_logfp, "<Timeout: %d seconds>", timeout);
+ fprintf_unfiltered (stream, "<Timeout: %d seconds>", timeout);
return;
case SERIAL_ERROR:
- fprintf_unfiltered (serial_logfp, "<Error: %s>", safe_strerror (errno));
+ fprintf_unfiltered (stream, "<Error: %s>", safe_strerror (errno));
return;
case SERIAL_EOF:
- fputs_unfiltered ("<Eof>", serial_logfp);
+ fputs_unfiltered ("<Eof>", stream);
return;
case SERIAL_BREAK:
- fputs_unfiltered ("<Break>", serial_logfp);
+ fputs_unfiltered ("<Break>", stream);
return;
default:
if (serial_logbase == logbase_hex)
- fprintf_unfiltered (serial_logfp, "%02x", ch & 0xff);
+ fprintf_unfiltered (stream, "%02x", ch & 0xff);
else if (serial_logbase == logbase_octal)
- fprintf_unfiltered (serial_logfp, "%03o", ch & 0xff);
+ fprintf_unfiltered (stream, "%03o", ch & 0xff);
else
switch (ch)
{
- case '\\': fputs_unfiltered ("\\\\", serial_logfp); break;
- case '\b': fputs_unfiltered ("\\b", serial_logfp); break;
- case '\f': fputs_unfiltered ("\\f", serial_logfp); break;
- case '\n': fputs_unfiltered ("\\n", serial_logfp); break;
- case '\r': fputs_unfiltered ("\\r", serial_logfp); break;
- case '\t': fputs_unfiltered ("\\t", serial_logfp); break;
- case '\v': fputs_unfiltered ("\\v", serial_logfp); break;
- default: fprintf_unfiltered (serial_logfp, isprint (ch) ? "%c" : "\\x%02x", ch & 0xFF); break;
+ case '\\':
+ fputs_unfiltered ("\\\\", stream);
+ break;
+ case '\b':
+ fputs_unfiltered ("\\b", stream);
+ break;
+ case '\f':
+ fputs_unfiltered ("\\f", stream);
+ break;
+ case '\n':
+ fputs_unfiltered ("\\n", stream);
+ break;
+ case '\r':
+ fputs_unfiltered ("\\r", stream);
+ break;
+ case '\t':
+ fputs_unfiltered ("\\t", stream);
+ break;
+ case '\v':
+ fputs_unfiltered ("\\v", stream);
+ break;
+ default:
+ fprintf_unfiltered (stream,
+ isprint (ch) ? "%c" : "\\x%02x", ch & 0xFF);
+ break;
}
}
}
void
-serial_log_command (cmd)
- const char *cmd;
+serial_log_command (struct target_ops *self, const char *cmd)
{
if (!serial_logfp)
return;
fputs_unfiltered (cmd, serial_logfp);
/* Make sure that the log file is as up-to-date as possible,
- in case we are getting ready to dump core or something. */
+ in case we are getting ready to dump core or something. */
gdb_flush (serial_logfp);
}
-int
-serial_write (scb, str, len)
- serial_t scb;
- const char *str;
- int len;
+\f
+static const struct serial_ops *
+serial_interface_lookup (const char *name)
{
- if (serial_logfp != NULL)
- {
- int count;
-
- for (count = 0; count < len; count++)
- serial_logchar ('w', str[count] & 0xff, 0);
+ const struct serial_ops *ops;
+ int i;
- /* Make sure that the log file is as up-to-date as possible,
- in case we are getting ready to dump core or something. */
- gdb_flush (serial_logfp);
- }
+ for (i = 0; VEC_iterate (serial_ops_p, serial_ops_list, i, ops); ++i)
+ if (strcmp (name, ops->name) == 0)
+ return ops;
- return (scb -> ops -> write (scb, str, len));
+ return NULL;
}
-int
-serial_readchar (scb, timeout)
- serial_t scb;
- int timeout;
+void
+serial_add_interface (const struct serial_ops *optable)
{
- int ch;
-
- ch = scb -> ops -> readchar (scb, timeout);
- if (serial_logfp != NULL)
- {
- serial_logchar ('r', ch, timeout);
-
- /* Make sure that the log file is as up-to-date as possible,
- in case we are getting ready to dump core or something. */
- gdb_flush (serial_logfp);
- }
-
- return (ch);
+ VEC_safe_push (serial_ops_p, serial_ops_list, optable);
}
-int
-serial_send_break (scb)
- serial_t scb;
-{
- if (serial_logfp != NULL)
- serial_logchar ('w', SERIAL_BREAK, 0);
+/* Return the open serial device for FD, if found, or NULL if FD is
+ not already opened. */
- return (scb -> ops -> send_break (scb));
-}
-
-static struct serial_ops *
-serial_interface_lookup (name)
- char *name;
+struct serial *
+serial_for_fd (int fd)
{
- struct serial_ops *ops;
+ struct serial *scb;
- for (ops = serial_ops_list; ops; ops = ops->next)
- if (strcmp (name, ops->name) == 0)
- return ops;
+ for (scb = scb_base; scb; scb = scb->next)
+ if (scb->fd == fd)
+ return scb;
return NULL;
}
-void
-serial_add_interface(optable)
- struct serial_ops *optable;
-{
- optable->next = serial_ops_list;
- serial_ops_list = optable;
-}
-
-/* Open up a device or a network socket, depending upon the syntax of NAME. */
+/* Open up a device or a network socket, depending upon the syntax of NAME. */
-serial_t
-serial_open (name)
- const char *name;
+struct serial *
+serial_open (const char *name)
{
- serial_t scb;
- struct serial_ops *ops;
+ struct serial *scb;
+ const struct serial_ops *ops;
+ const char *open_name = name;
- for (scb = scb_base; scb; scb = scb->next)
- if (scb->name && strcmp (scb->name, name) == 0)
- {
- scb->refcnt++;
- return scb;
- }
-
- if (strcmp (name, "ocd") == 0)
- ops = serial_interface_lookup ("ocd");
- else if (strcmp (name, "pc") == 0)
+ if (strcmp (name, "pc") == 0)
ops = serial_interface_lookup ("pc");
- else if (strchr (name, ':'))
- ops = serial_interface_lookup ("tcp");
else if (strncmp (name, "lpt", 3) == 0)
ops = serial_interface_lookup ("parallel");
+ else if (strncmp (name, "|", 1) == 0)
+ {
+ ops = serial_interface_lookup ("pipe");
+ /* Discard ``|'' and any space before the command itself. */
+ ++open_name;
+ open_name = skip_spaces_const (open_name);
+ }
+ /* Check for a colon, suggesting an IP address/port pair.
+ Do this *after* checking for all the interesting prefixes. We
+ don't want to constrain the syntax of what can follow them. */
+ else if (strchr (name, ':'))
+ ops = serial_interface_lookup ("tcp");
else
ops = serial_interface_lookup ("hardwire");
if (!ops)
return NULL;
- scb = (serial_t)xmalloc (sizeof (struct _serial_t));
+ scb = XNEW (struct serial);
scb->ops = ops;
scb->bufcnt = 0;
scb->bufp = scb->buf;
+ scb->error_fd = -1;
+ scb->refcnt = 1;
- if (scb->ops->open(scb, name))
+ /* `...->open (...)' would get expanded by the open(2) syscall macro. */
+ if ((*scb->ops->open) (scb, open_name))
{
- free (scb);
+ xfree (scb);
return NULL;
}
- scb->name = strsave (name);
+ scb->name = xstrdup (name);
scb->next = scb_base;
- scb->refcnt = 1;
+ scb->debug_p = 0;
+ scb->async_state = 0;
+ scb->async_handler = NULL;
+ scb->async_context = NULL;
scb_base = scb;
- last_serial_opened = scb;
-
if (serial_logfile != NULL)
{
serial_logfp = gdb_fopen (serial_logfile, "w");
return scb;
}
-serial_t
-serial_fdopen (fd)
- const int fd;
-{
- serial_t scb;
- struct serial_ops *ops;
+/* Open a new serial stream using a file handle, using serial
+ interface ops OPS. */
- for (scb = scb_base; scb; scb = scb->next)
- if (scb->fd == fd)
- {
- scb->refcnt++;
- return scb;
- }
+static struct serial *
+serial_fdopen_ops (const int fd, const struct serial_ops *ops)
+{
+ struct serial *scb;
- ops = serial_interface_lookup ("hardwire");
+ if (!ops)
+ {
+ ops = serial_interface_lookup ("terminal");
+ if (!ops)
+ ops = serial_interface_lookup ("hardwire");
+ }
if (!ops)
return NULL;
- scb = (serial_t)xmalloc (sizeof (struct _serial_t));
+ scb = XCNEW (struct serial);
scb->ops = ops;
scb->bufcnt = 0;
scb->bufp = scb->buf;
-
- scb->fd = fd;
+ scb->error_fd = -1;
+ scb->refcnt = 1;
scb->name = NULL;
scb->next = scb_base;
- scb->refcnt = 1;
+ scb->debug_p = 0;
+ scb->async_state = 0;
+ scb->async_handler = NULL;
+ scb->async_context = NULL;
scb_base = scb;
- last_serial_opened = scb;
+ if ((ops->fdopen) != NULL)
+ (*ops->fdopen) (scb, fd);
+ else
+ scb->fd = fd;
return scb;
}
-void
-serial_close (scb, really_close)
- serial_t scb;
- int really_close;
+struct serial *
+serial_fdopen (const int fd)
{
- serial_t tmp_scb;
+ return serial_fdopen_ops (fd, NULL);
+}
- last_serial_opened = NULL;
+static void
+do_serial_close (struct serial *scb, int really_close)
+{
+ struct serial *tmp_scb;
if (serial_logfp)
{
fputs_unfiltered ("\nEnd of log\n", serial_logfp);
serial_current_type = 0;
- fclose (serial_logfp); /* XXX - What if serial_logfp == stdout or stderr? */
+ /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */
+ ui_file_delete (serial_logfp);
serial_logfp = NULL;
}
-/* This is bogus. It's not our fault if you pass us a bad scb...! Rob, you
- should fix your code instead. */
-
- if (!scb)
- return;
-
- scb->refcnt--;
- if (scb->refcnt > 0)
- return;
+ /* ensure that the FD has been taken out of async mode. */
+ if (scb->async_handler != NULL)
+ serial_async (scb, NULL, NULL);
if (really_close)
scb->ops->close (scb);
if (scb->name)
- free (scb->name);
+ xfree (scb->name);
+
+ /* For serial_is_open. */
+ scb->bufp = NULL;
if (scb_base == scb)
scb_base = scb_base->next;
break;
}
- free(scb);
+ serial_unref (scb);
}
-#if 0
-/*
-The connect command is #if 0 because I hadn't thought of an elegant
-way to wait for I/O on two serial_t's simultaneously. Two solutions
-came to mind:
-
- 1) Fork, and have have one fork handle the to user direction,
- and have the other hand the to target direction. This
- obviously won't cut it for MSDOS.
+void
+serial_close (struct serial *scb)
+{
+ do_serial_close (scb, 1);
+}
- 2) Use something like select. This assumes that stdin and
- the target side can both be waited on via the same
- mechanism. This may not be true for DOS, if GDB is
- talking to the target via a TCP socket.
--grossman, 8 Jun 93
-*/
+void
+serial_un_fdopen (struct serial *scb)
+{
+ do_serial_close (scb, 0);
+}
-/* Connect the user directly to the remote system. This command acts just like
- the 'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */
+int
+serial_is_open (struct serial *scb)
+{
+ return scb->bufp != NULL;
+}
-static serial_t tty_desc; /* Controlling terminal */
+void
+serial_ref (struct serial *scb)
+{
+ scb->refcnt++;
+}
-static void
-cleanup_tty(ttystate)
- serial_ttystate ttystate;
+void
+serial_unref (struct serial *scb)
{
- printf_unfiltered ("\r\n[Exiting connect mode]\r\n");
- SERIAL_SET_TTY_STATE (tty_desc, ttystate);
- free (ttystate);
- SERIAL_CLOSE (tty_desc);
+ --scb->refcnt;
+ if (scb->refcnt == 0)
+ xfree (scb);
}
-static void
-connect_command (args, fromtty)
- char *args;
- int fromtty;
+int
+serial_readchar (struct serial *scb, int timeout)
{
- int c;
- char cur_esc = 0;
- serial_ttystate ttystate;
- serial_t port_desc; /* TTY port */
+ int ch;
- dont_repeat();
+ /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC
+ code is finished. */
+ if (0 && serial_is_async_p (scb) && timeout < 0)
+ internal_error (__FILE__, __LINE__,
+ _("serial_readchar: blocking read in async mode"));
- if (args)
- fprintf_unfiltered(gdb_stderr, "This command takes no args. They have been ignored.\n");
-
- printf_unfiltered("[Entering connect mode. Use ~. or ~^D to escape]\n");
+ ch = scb->ops->readchar (scb, timeout);
+ if (serial_logfp != NULL)
+ {
+ serial_logchar (serial_logfp, 'r', ch, timeout);
- tty_desc = SERIAL_FDOPEN (0);
- port_desc = last_serial_opened;
+ /* Make sure that the log file is as up-to-date as possible,
+ in case we are getting ready to dump core or something. */
+ gdb_flush (serial_logfp);
+ }
+ if (serial_debug_p (scb))
+ {
+ fprintf_unfiltered (gdb_stdlog, "[");
+ serial_logchar (gdb_stdlog, 'r', ch, timeout);
+ fprintf_unfiltered (gdb_stdlog, "]");
+ gdb_flush (gdb_stdlog);
+ }
- ttystate = SERIAL_GET_TTY_STATE (tty_desc);
+ return (ch);
+}
- SERIAL_RAW (tty_desc);
- SERIAL_RAW (port_desc);
+int
+serial_write (struct serial *scb, const void *buf, size_t count)
+{
+ if (serial_logfp != NULL)
+ {
+ const char *str = buf;
+ size_t c;
- make_cleanup (cleanup_tty, ttystate);
+ for (c = 0; c < count; c++)
+ serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0);
- while (1)
+ /* Make sure that the log file is as up-to-date as possible,
+ in case we are getting ready to dump core or something. */
+ gdb_flush (serial_logfp);
+ }
+ if (serial_debug_p (scb))
{
- int mask;
-
- mask = SERIAL_WAIT_2 (tty_desc, port_desc, -1);
-
- if (mask & 2)
- { /* tty input */
- char cx;
-
- while (1)
- {
- c = SERIAL_READCHAR(tty_desc, 0);
-
- if (c == SERIAL_TIMEOUT)
- break;
-
- if (c < 0)
- perror_with_name("connect");
-
- cx = c;
- SERIAL_WRITE(port_desc, &cx, 1);
-
- 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;
- }
- }
+ const char *str = buf;
+ size_t c;
+
+ for (c = 0; c < count; c++)
+ {
+ fprintf_unfiltered (gdb_stdlog, "[");
+ serial_logchar (gdb_stdlog, 'w', str[c] & 0xff, 0);
+ fprintf_unfiltered (gdb_stdlog, "]");
}
+ gdb_flush (gdb_stdlog);
+ }
- if (mask & 1)
- { /* Port input */
- char cx;
+ return (scb->ops->write (scb, buf, count));
+}
- while (1)
- {
- c = SERIAL_READCHAR(port_desc, 0);
+void
+serial_printf (struct serial *desc, const char *format,...)
+{
+ va_list args;
+ char *buf;
+ va_start (args, format);
- if (c == SERIAL_TIMEOUT)
- break;
+ buf = xstrvprintf (format, args);
+ serial_write (desc, buf, strlen (buf));
- if (c < 0)
- perror_with_name("connect");
+ xfree (buf);
+ va_end (args);
+}
- cx = c;
+int
+serial_drain_output (struct serial *scb)
+{
+ return scb->ops->drain_output (scb);
+}
- SERIAL_WRITE(tty_desc, &cx, 1);
- }
- }
+int
+serial_flush_output (struct serial *scb)
+{
+ return scb->ops->flush_output (scb);
+}
+
+int
+serial_flush_input (struct serial *scb)
+{
+ return scb->ops->flush_input (scb);
+}
+
+int
+serial_send_break (struct serial *scb)
+{
+ if (serial_logfp != NULL)
+ serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0);
+
+ return (scb->ops->send_break (scb));
+}
+
+void
+serial_raw (struct serial *scb)
+{
+ scb->ops->go_raw (scb);
+}
+
+serial_ttystate
+serial_get_tty_state (struct serial *scb)
+{
+ return scb->ops->get_tty_state (scb);
+}
+
+serial_ttystate
+serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate)
+{
+ return scb->ops->copy_tty_state (scb, ttystate);
+}
+
+int
+serial_set_tty_state (struct serial *scb, serial_ttystate ttystate)
+{
+ return scb->ops->set_tty_state (scb, ttystate);
+}
+
+void
+serial_print_tty_state (struct serial *scb,
+ serial_ttystate ttystate,
+ struct ui_file *stream)
+{
+ scb->ops->print_tty_state (scb, ttystate, stream);
+}
+
+int
+serial_noflush_set_tty_state (struct serial *scb,
+ serial_ttystate new_ttystate,
+ serial_ttystate old_ttystate)
+{
+ return scb->ops->noflush_set_tty_state (scb, new_ttystate, old_ttystate);
+}
+
+int
+serial_setbaudrate (struct serial *scb, int rate)
+{
+ return scb->ops->setbaudrate (scb, rate);
+}
+
+int
+serial_setstopbits (struct serial *scb, int num)
+{
+ return scb->ops->setstopbits (scb, num);
+}
+
+int
+serial_can_async_p (struct serial *scb)
+{
+ return (scb->ops->async != NULL);
+}
+
+int
+serial_is_async_p (struct serial *scb)
+{
+ return (scb->ops->async != NULL) && (scb->async_handler != NULL);
+}
+
+void
+serial_async (struct serial *scb,
+ serial_event_ftype *handler,
+ void *context)
+{
+ int changed = ((scb->async_handler == NULL) != (handler == NULL));
+
+ scb->async_handler = handler;
+ scb->async_context = context;
+ /* Only change mode if there is a need. */
+ if (changed)
+ scb->ops->async (scb, handler != NULL);
+}
+
+void
+serial_debug (struct serial *scb, int debug_p)
+{
+ scb->debug_p = debug_p;
+}
+
+int
+serial_debug_p (struct serial *scb)
+{
+ return scb->debug_p || global_serial_debug_p;
+}
+
+#ifdef USE_WIN32API
+void
+serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except)
+{
+ if (scb->ops->wait_handle)
+ scb->ops->wait_handle (scb, read, except);
+ else
+ {
+ *read = (HANDLE) _get_osfhandle (scb->fd);
+ *except = NULL;
}
}
-#endif /* 0 */
-/* VARARGS */
void
-#ifdef ANSI_PROTOTYPES
-serial_printf (serial_t desc, const char *format, ...)
-#else
-serial_printf (va_alist)
- va_dcl
+serial_done_wait_handle (struct serial *scb)
+{
+ if (scb->ops->done_wait_handle)
+ scb->ops->done_wait_handle (scb);
+}
#endif
+
+int
+serial_pipe (struct serial *scbs[2])
{
- va_list args;
- char *buf;
-#ifdef ANSI_PROTOTYPES
- va_start (args, format);
-#else
- serial_t desc;
- char *format;
+ const struct serial_ops *ops;
+ int fildes[2];
- va_start (args);
- desc = va_arg (args, serial_t);
- format = va_arg (args, char *);
-#endif
+ ops = serial_interface_lookup ("pipe");
+ if (!ops)
+ {
+ errno = ENOSYS;
+ return -1;
+ }
- vasprintf (&buf, format, args);
- SERIAL_WRITE (desc, buf, strlen (buf));
+ if (gdb_pipe (fildes) == -1)
+ return -1;
- free (buf);
- va_end (args);
+ scbs[0] = serial_fdopen_ops (fildes[0], ops);
+ scbs[1] = serial_fdopen_ops (fildes[1], ops);
+ return 0;
+}
+
+/* Serial set/show framework. */
+
+static struct cmd_list_element *serial_set_cmdlist;
+static struct cmd_list_element *serial_show_cmdlist;
+
+static void
+serial_set_cmd (char *args, int from_tty)
+{
+ printf_unfiltered ("\"set serial\" must be followed "
+ "by the name of a command.\n");
+ help_list (serial_set_cmdlist, "set serial ", all_commands, gdb_stdout);
+}
+
+static void
+serial_show_cmd (char *args, int from_tty)
+{
+ cmd_show_list (serial_show_cmdlist, from_tty, "");
+}
+
+/* Baud rate specified for talking to serial target systems. Default
+ is left as -1, so targets can choose their own defaults. */
+/* FIXME: This means that "show serial baud" and gr_files_info can
+ print -1 or (unsigned int)-1. This is a Bad User Interface. */
+
+int baud_rate = -1;
+
+static void
+serial_baud_show_cmd (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"),
+ value);
}
void
-_initialize_serial ()
+_initialize_serial (void)
{
#if 0
- add_com ("connect", class_obscure, connect_command,
- "Connect the terminal directly up to the command monitor.\n\
-Use <CR>~. or <CR>~^D to break out.");
+ add_com ("connect", class_obscure, connect_command, _("\
+Connect the terminal directly up to the command monitor.\n\
+Use <CR>~. or <CR>~^D to break out."));
#endif /* 0 */
- add_show_from_set (add_set_cmd ("remotelogfile", no_class,
- var_filename, (char *)&serial_logfile,
- "Set filename for remote session recording.\n\
+ add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\
+Set default serial/parallel port configuration."),
+ &serial_set_cmdlist, "set serial ",
+ 0/*allow-unknown*/,
+ &setlist);
+
+ add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\
+Show default serial/parallel port configuration."),
+ &serial_show_cmdlist, "show serial ",
+ 0/*allow-unknown*/,
+ &showlist);
+
+ /* If target is open when baud changes, it doesn't take effect until
+ the next open (I think, not sure). */
+ add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\
+Set baud rate for remote serial I/O."), _("\
+Show baud rate for remote serial I/O."), _("\
+This value is used to set the speed of the serial port when debugging\n\
+using remote targets."),
+ NULL,
+ serial_baud_show_cmd,
+ &serial_set_cmdlist, &serial_show_cmdlist);
+
+ add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\
+Set filename for remote session recording."), _("\
+Show filename for remote session recording."), _("\
This file is used to record the remote session for future playback\n\
-by gdbserver.", &setlist),
- &showlist);
-
- add_show_from_set (add_set_enum_cmd ("remotelogbase", no_class,
- logbase_enums,
- (char *)&serial_logbase,
- "Set numerical base for remote session logging",
- &setlist),
- &showlist);
+by gdbserver."),
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums,
+ &serial_logbase, _("\
+Set numerical base for remote session logging"), _("\
+Show numerical base for remote session logging"), NULL,
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setlist, &showlist);
+
+ add_setshow_zuinteger_cmd ("serial", class_maintenance,
+ &global_serial_debug_p, _("\
+Set serial debugging."), _("\
+Show serial debugging."), _("\
+When non-zero, serial port debugging is enabled."),
+ NULL,
+ NULL, /* FIXME: i18n: */
+ &setdebuglist, &showdebuglist);
}
projects / platform / upstream / binutils.git / blobdiff