1999-04-16 01:35:26 +00:00
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/* Serial interface for local (hardwired) serial ports on Un*x like systems
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2004-01-09 20:42:10 +00:00
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2013-01-01 06:33:28 +00:00
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Copyright (C) 1992-2013 Free Software Foundation, Inc.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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This file is part of GDB.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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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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2007-08-23 18:08:50 +00:00
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the Free Software Foundation; either version 3 of the License, or
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1999-07-07 20:19:36 +00:00
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(at your option) any later version.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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You should have received a copy of the GNU General Public License
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2007-08-23 18:08:50 +00:00
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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1999-04-16 01:35:26 +00:00
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#include "defs.h"
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#include "serial.h"
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2005-03-25 19:47:23 +00:00
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#include "ser-base.h"
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1999-09-22 03:28:34 +00:00
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#include "ser-unix.h"
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1999-04-16 01:35:26 +00:00
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#include <fcntl.h>
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#include <sys/types.h>
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#include "terminal.h"
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1999-09-22 03:28:34 +00:00
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#include <sys/socket.h>
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#include <sys/time.h>
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* NEWS: Mention native Windows support.
* Makefile.in (gdb_select_h, ser_tcp_h): New.
(ALLDEPFILES): Add ser-mingw.c.
(event-loop.o, inflow.o, mingw-hdep.o, posix-hdep.o, ser-base.o)
(ser-tcp.o, ser-unix.o): Update.
(ser-mingw.o): New rule.
* configure: Regenerated.
* configure.ac: Add ser-mingw.o for mingw32.
* ser-mingw.c: New file.
* event-loop.c: Include "gdb_select.h".
(gdb_select): Remove, moved to mingw-hdep.c and posix-hdep.c.
* ser-base.c: Include "gdb_select.h".
(ser_base_wait_for): Use gdb_select.
* serial.c (serial_for_fd): New function.
(serial_fdopen): Try "terminal" before "hardwire". Initialize
the allocated struct serial.
(serial_wait_handle): New function.
* serial.h (serial_for_fd, serial_wait_handle): New prototypes.
(struct serial_ops) [USE_WIN32API]: Add wait_handle.
* gdb_select.h: New file.
* ser-tcp.c: Include "ser-tcp.h". Remove unused "ser-unix.h" include.
(net_close, net_read_prim, net_write_prim): Make global.
(net_open): Likewise. Pass an exception set to select. Whitespace fix.
Document why we can not use gdb_select.
(_initialize_ser_tcp) [USE_WIN32API]: Do not register TCP support here.
* ser-tcp.h: New file.
* inflow.c (gdb_has_a_terminal): Don't initialize stdin_serial here.
(handle_sigio): Use gdb_select.
(initialize_stdin_serial): New function.
* terminal.h (initialize_stdin_serial): New prototype.
* top.c (gdb_init): Call initialize_stdin_serial.
* mingw-hdep.c (gdb_select): New function, moved from gdb_select in
event-loop.c. Add exception condition support. Use serial_for_fd
and serial_wait_handle. Fix timeout handling.
* posix-hdep.c: Include "gdb_select.h".
(gdb_select): New function.
* remote-st.c (connect_command): Use gdb_select.
* ser-unix.c: Include "gdb_select.h".
(hardwire_send_break, wait_for): Use gdb_select.
2006-02-10 22:01:43 +00:00
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#include "gdb_select.h"
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1999-09-22 03:28:34 +00:00
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#include "gdb_string.h"
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2007-05-22 10:57:12 +00:00
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#include "gdbcmd.h"
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1999-09-22 03:28:34 +00:00
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1999-04-16 01:35:26 +00:00
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#ifdef HAVE_TERMIOS
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struct hardwire_ttystate
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1999-07-07 20:19:36 +00:00
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{
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struct termios termios;
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};
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2007-05-22 10:57:12 +00:00
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#ifdef CRTSCTS
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/* Boolean to explicitly enable or disable h/w flow control. */
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static int serial_hwflow;
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static void
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show_serial_hwflow (struct ui_file *file, int from_tty,
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struct cmd_list_element *c, const char *value)
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{
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fprintf_filtered (file, _("Hardware flow control is %s.\n"), value);
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}
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#endif
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1999-04-16 01:35:26 +00:00
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#endif /* termios */
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#ifdef HAVE_TERMIO
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/* It is believed that all systems which have added job control to SVR3
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(e.g. sco) have also added termios. Even if not, trying to figure out
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all the variations (TIOCGPGRP vs. TCGETPGRP, etc.) would be pretty
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bewildering. So we don't attempt it. */
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struct hardwire_ttystate
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1999-07-07 20:19:36 +00:00
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{
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struct termio termio;
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};
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1999-04-16 01:35:26 +00:00
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#endif /* termio */
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#ifdef HAVE_SGTTY
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struct hardwire_ttystate
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1999-07-07 20:19:36 +00:00
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{
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struct sgttyb sgttyb;
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struct tchars tc;
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struct ltchars ltc;
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/* Line discipline flags. */
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int lmode;
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};
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1999-04-16 01:35:26 +00:00
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#endif /* sgtty */
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2001-07-11 17:52:32 +00:00
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static int hardwire_open (struct serial *scb, const char *name);
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static void hardwire_raw (struct serial *scb);
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static int wait_for (struct serial *scb, int timeout);
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static int hardwire_readchar (struct serial *scb, int timeout);
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static int do_hardwire_readchar (struct serial *scb, int timeout);
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1999-09-22 03:28:34 +00:00
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static int rate_to_code (int rate);
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2001-07-11 17:52:32 +00:00
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static int hardwire_setbaudrate (struct serial *scb, int rate);
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static void hardwire_close (struct serial *scb);
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static int get_tty_state (struct serial *scb,
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struct hardwire_ttystate * state);
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static int set_tty_state (struct serial *scb,
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struct hardwire_ttystate * state);
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static serial_ttystate hardwire_get_tty_state (struct serial *scb);
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static int hardwire_set_tty_state (struct serial *scb, serial_ttystate state);
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static int hardwire_noflush_set_tty_state (struct serial *, serial_ttystate,
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serial_ttystate);
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static void hardwire_print_tty_state (struct serial *, serial_ttystate,
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struct ui_file *);
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static int hardwire_drain_output (struct serial *);
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static int hardwire_flush_output (struct serial *);
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static int hardwire_flush_input (struct serial *);
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static int hardwire_send_break (struct serial *);
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static int hardwire_setstopbits (struct serial *, int);
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1999-09-22 03:28:34 +00:00
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void _initialize_ser_hardwire (void);
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2011-01-11 21:53:25 +00:00
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/* Open up a real live device for serial I/O. */
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1999-04-16 01:35:26 +00:00
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static int
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2001-07-11 17:52:32 +00:00
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hardwire_open (struct serial *scb, const char *name)
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1999-04-16 01:35:26 +00:00
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{
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scb->fd = open (name, O_RDWR);
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if (scb->fd < 0)
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return -1;
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return 0;
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}
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static int
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2001-07-11 17:52:32 +00:00
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get_tty_state (struct serial *scb, struct hardwire_ttystate *state)
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1999-04-16 01:35:26 +00:00
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{
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#ifdef HAVE_TERMIOS
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1999-07-07 20:19:36 +00:00
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if (tcgetattr (scb->fd, &state->termios) < 0)
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1999-04-16 01:35:26 +00:00
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return -1;
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return 0;
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#endif
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#ifdef HAVE_TERMIO
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if (ioctl (scb->fd, TCGETA, &state->termio) < 0)
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return -1;
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return 0;
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#endif
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#ifdef HAVE_SGTTY
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if (ioctl (scb->fd, TIOCGETP, &state->sgttyb) < 0)
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return -1;
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if (ioctl (scb->fd, TIOCGETC, &state->tc) < 0)
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return -1;
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if (ioctl (scb->fd, TIOCGLTC, &state->ltc) < 0)
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return -1;
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if (ioctl (scb->fd, TIOCLGET, &state->lmode) < 0)
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return -1;
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return 0;
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#endif
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}
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static int
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2001-07-11 17:52:32 +00:00
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set_tty_state (struct serial *scb, struct hardwire_ttystate *state)
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1999-04-16 01:35:26 +00:00
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{
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#ifdef HAVE_TERMIOS
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1999-07-07 20:19:36 +00:00
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if (tcsetattr (scb->fd, TCSANOW, &state->termios) < 0)
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1999-04-16 01:35:26 +00:00
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return -1;
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return 0;
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#endif
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#ifdef HAVE_TERMIO
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if (ioctl (scb->fd, TCSETA, &state->termio) < 0)
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return -1;
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return 0;
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#endif
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#ifdef HAVE_SGTTY
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if (ioctl (scb->fd, TIOCSETN, &state->sgttyb) < 0)
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return -1;
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if (ioctl (scb->fd, TIOCSETC, &state->tc) < 0)
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return -1;
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if (ioctl (scb->fd, TIOCSLTC, &state->ltc) < 0)
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return -1;
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if (ioctl (scb->fd, TIOCLSET, &state->lmode) < 0)
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return -1;
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return 0;
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#endif
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}
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static serial_ttystate
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2001-07-11 17:52:32 +00:00
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hardwire_get_tty_state (struct serial *scb)
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1999-04-16 01:35:26 +00:00
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{
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struct hardwire_ttystate *state;
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1999-07-07 20:19:36 +00:00
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state = (struct hardwire_ttystate *) xmalloc (sizeof *state);
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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if (get_tty_state (scb, state))
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2011-03-07 19:53:34 +00:00
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{
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xfree (state);
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return NULL;
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}
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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return (serial_ttystate) state;
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1999-04-16 01:35:26 +00:00
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}
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2011-03-04 19:23:42 +00:00
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static serial_ttystate
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hardwire_copy_tty_state (struct serial *scb, serial_ttystate ttystate)
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{
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struct hardwire_ttystate *state;
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state = (struct hardwire_ttystate *) xmalloc (sizeof *state);
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*state = *(struct hardwire_ttystate *) ttystate;
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return (serial_ttystate) state;
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}
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1999-04-16 01:35:26 +00:00
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static int
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2001-07-11 17:52:32 +00:00
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hardwire_set_tty_state (struct serial *scb, serial_ttystate ttystate)
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1999-04-16 01:35:26 +00:00
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{
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struct hardwire_ttystate *state;
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1999-07-07 20:19:36 +00:00
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state = (struct hardwire_ttystate *) ttystate;
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1999-04-16 01:35:26 +00:00
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1999-07-07 20:19:36 +00:00
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return set_tty_state (scb, state);
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1999-04-16 01:35:26 +00:00
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}
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static int
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2001-07-11 17:52:32 +00:00
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hardwire_noflush_set_tty_state (struct serial *scb,
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1999-09-22 03:28:34 +00:00
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serial_ttystate new_ttystate,
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serial_ttystate old_ttystate)
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1999-04-16 01:35:26 +00:00
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{
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struct hardwire_ttystate new_state;
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#ifdef HAVE_SGTTY
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struct hardwire_ttystate *state = (struct hardwire_ttystate *) old_ttystate;
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#endif
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1999-07-07 20:19:36 +00:00
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new_state = *(struct hardwire_ttystate *) new_ttystate;
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1999-04-16 01:35:26 +00:00
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/* Don't change in or out of raw mode; we don't want to flush input.
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termio and termios have no such restriction; for them flushing input
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is separate from setting the attributes. */
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#ifdef HAVE_SGTTY
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if (state->sgttyb.sg_flags & RAW)
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new_state.sgttyb.sg_flags |= RAW;
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else
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new_state.sgttyb.sg_flags &= ~RAW;
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/* I'm not sure whether this is necessary; the manpage just mentions
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RAW not CBREAK. */
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if (state->sgttyb.sg_flags & CBREAK)
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new_state.sgttyb.sg_flags |= CBREAK;
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else
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new_state.sgttyb.sg_flags &= ~CBREAK;
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#endif
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return set_tty_state (scb, &new_state);
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}
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static void
|
2001-07-11 17:52:32 +00:00
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hardwire_print_tty_state (struct serial *scb,
|
1999-09-22 03:28:34 +00:00
|
|
|
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serial_ttystate ttystate,
|
2000-02-02 00:21:19 +00:00
|
|
|
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struct ui_file *stream)
|
1999-04-16 01:35:26 +00:00
|
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{
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struct hardwire_ttystate *state = (struct hardwire_ttystate *) ttystate;
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int i;
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|
#ifdef HAVE_TERMIOS
|
1999-09-22 03:28:34 +00:00
|
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fprintf_filtered (stream, "c_iflag = 0x%x, c_oflag = 0x%x,\n",
|
1999-10-05 23:13:56 +00:00
|
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|
(int) state->termios.c_iflag,
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|
|
|
|
(int) state->termios.c_oflag);
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "c_cflag = 0x%x, c_lflag = 0x%x\n",
|
1999-10-05 23:13:56 +00:00
|
|
|
|
(int) state->termios.c_cflag,
|
|
|
|
|
(int) state->termios.c_lflag);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#if 0
|
|
|
|
|
/* This not in POSIX, and is not really documented by those systems
|
|
|
|
|
which have it (at least not Sun). */
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "c_line = 0x%x.\n", state->termios.c_line);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "c_cc: ");
|
1999-04-16 01:35:26 +00:00
|
|
|
|
for (i = 0; i < NCCS; i += 1)
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "0x%x ", state->termios.c_cc[i]);
|
|
|
|
|
fprintf_filtered (stream, "\n");
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "c_iflag = 0x%x, c_oflag = 0x%x,\n",
|
|
|
|
|
state->termio.c_iflag, state->termio.c_oflag);
|
|
|
|
|
fprintf_filtered (stream, "c_cflag = 0x%x, c_lflag = 0x%x, c_line = 0x%x.\n",
|
|
|
|
|
state->termio.c_cflag, state->termio.c_lflag,
|
|
|
|
|
state->termio.c_line);
|
|
|
|
|
fprintf_filtered (stream, "c_cc: ");
|
1999-04-16 01:35:26 +00:00
|
|
|
|
for (i = 0; i < NCC; i += 1)
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "0x%x ", state->termio.c_cc[i]);
|
|
|
|
|
fprintf_filtered (stream, "\n");
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_SGTTY
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "sgttyb.sg_flags = 0x%x.\n",
|
|
|
|
|
state->sgttyb.sg_flags);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "tchars: ");
|
1999-07-07 20:19:36 +00:00
|
|
|
|
for (i = 0; i < (int) sizeof (struct tchars); i++)
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "0x%x ", ((unsigned char *) &state->tc)[i]);
|
2001-02-06 21:39:46 +00:00
|
|
|
|
fprintf_filtered (stream, "\n");
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "ltchars: ");
|
1999-07-07 20:19:36 +00:00
|
|
|
|
for (i = 0; i < (int) sizeof (struct ltchars); i++)
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "0x%x ", ((unsigned char *) &state->ltc)[i]);
|
|
|
|
|
fprintf_filtered (stream, "\n");
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
1999-09-22 03:28:34 +00:00
|
|
|
|
fprintf_filtered (stream, "lmode: 0x%x\n", state->lmode);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
2011-01-11 21:53:25 +00:00
|
|
|
|
/* Wait for the output to drain away, as opposed to flushing
|
|
|
|
|
(discarding) it. */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
|
|
static int
|
2001-07-11 17:52:32 +00:00
|
|
|
|
hardwire_drain_output (struct serial *scb)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
#ifdef HAVE_TERMIOS
|
|
|
|
|
return tcdrain (scb->fd);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
return ioctl (scb->fd, TCSBRK, 1);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_SGTTY
|
|
|
|
|
/* Get the current state and then restore it using TIOCSETP,
|
|
|
|
|
which should cause the output to drain and pending input
|
2011-01-11 21:53:25 +00:00
|
|
|
|
to be discarded. */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
struct hardwire_ttystate state;
|
2010-05-16 23:49:58 +00:00
|
|
|
|
|
1999-04-16 01:35:26 +00:00
|
|
|
|
if (get_tty_state (scb, &state))
|
|
|
|
|
{
|
|
|
|
|
return (-1);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
return (ioctl (scb->fd, TIOCSETP, &state.sgttyb));
|
|
|
|
|
}
|
|
|
|
|
}
|
1999-07-07 20:19:36 +00:00
|
|
|
|
#endif
|
1999-04-16 01:35:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
2001-07-11 17:52:32 +00:00
|
|
|
|
hardwire_flush_output (struct serial *scb)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
#ifdef HAVE_TERMIOS
|
|
|
|
|
return tcflush (scb->fd, TCOFLUSH);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
return ioctl (scb->fd, TCFLSH, 1);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_SGTTY
|
|
|
|
|
/* This flushes both input and output, but we can't do better. */
|
|
|
|
|
return ioctl (scb->fd, TIOCFLUSH, 0);
|
1999-07-07 20:19:36 +00:00
|
|
|
|
#endif
|
1999-04-16 01:35:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
2001-07-11 17:52:32 +00:00
|
|
|
|
hardwire_flush_input (struct serial *scb)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
2005-03-25 20:06:36 +00:00
|
|
|
|
ser_base_flush_input (scb);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIOS
|
|
|
|
|
return tcflush (scb->fd, TCIFLUSH);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
return ioctl (scb->fd, TCFLSH, 0);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_SGTTY
|
|
|
|
|
/* This flushes both input and output, but we can't do better. */
|
|
|
|
|
return ioctl (scb->fd, TIOCFLUSH, 0);
|
1999-07-07 20:19:36 +00:00
|
|
|
|
#endif
|
1999-04-16 01:35:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
2001-07-11 17:52:32 +00:00
|
|
|
|
hardwire_send_break (struct serial *scb)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
#ifdef HAVE_TERMIOS
|
|
|
|
|
return tcsendbreak (scb->fd, 0);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
return ioctl (scb->fd, TCSBRK, 0);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_SGTTY
|
|
|
|
|
{
|
|
|
|
|
int status;
|
|
|
|
|
|
|
|
|
|
status = ioctl (scb->fd, TIOCSBRK, 0);
|
|
|
|
|
|
|
|
|
|
/* Can't use usleep; it doesn't exist in BSD 4.2. */
|
2009-03-24 01:37:48 +00:00
|
|
|
|
/* Note that if this gdb_select() is interrupted by a signal it will not
|
|
|
|
|
wait the full length of time. I think that is OK. */
|
|
|
|
|
gdb_usleep (250000);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
status = ioctl (scb->fd, TIOCCBRK, 0);
|
|
|
|
|
return status;
|
|
|
|
|
}
|
1999-07-07 20:19:36 +00:00
|
|
|
|
#endif
|
1999-04-16 01:35:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2001-07-11 17:52:32 +00:00
|
|
|
|
hardwire_raw (struct serial *scb)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
struct hardwire_ttystate state;
|
|
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
|
if (get_tty_state (scb, &state))
|
2011-01-05 22:22:53 +00:00
|
|
|
|
fprintf_unfiltered (gdb_stderr, "get_tty_state failed: %s\n",
|
|
|
|
|
safe_strerror (errno));
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIOS
|
|
|
|
|
state.termios.c_iflag = 0;
|
|
|
|
|
state.termios.c_oflag = 0;
|
|
|
|
|
state.termios.c_lflag = 0;
|
1999-07-07 20:19:36 +00:00
|
|
|
|
state.termios.c_cflag &= ~(CSIZE | PARENB);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
state.termios.c_cflag |= CLOCAL | CS8;
|
2007-05-22 10:57:12 +00:00
|
|
|
|
#ifdef CRTSCTS
|
|
|
|
|
/* h/w flow control. */
|
|
|
|
|
if (serial_hwflow)
|
|
|
|
|
state.termios.c_cflag |= CRTSCTS;
|
|
|
|
|
else
|
|
|
|
|
state.termios.c_cflag &= ~CRTSCTS;
|
|
|
|
|
#ifdef CRTS_IFLOW
|
|
|
|
|
if (serial_hwflow)
|
|
|
|
|
state.termios.c_cflag |= CRTS_IFLOW;
|
|
|
|
|
else
|
|
|
|
|
state.termios.c_cflag &= ~CRTS_IFLOW;
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
1999-04-16 01:35:26 +00:00
|
|
|
|
state.termios.c_cc[VMIN] = 0;
|
|
|
|
|
state.termios.c_cc[VTIME] = 0;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
state.termio.c_iflag = 0;
|
|
|
|
|
state.termio.c_oflag = 0;
|
|
|
|
|
state.termio.c_lflag = 0;
|
1999-07-07 20:19:36 +00:00
|
|
|
|
state.termio.c_cflag &= ~(CSIZE | PARENB);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
state.termio.c_cflag |= CLOCAL | CS8;
|
|
|
|
|
state.termio.c_cc[VMIN] = 0;
|
|
|
|
|
state.termio.c_cc[VTIME] = 0;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_SGTTY
|
|
|
|
|
state.sgttyb.sg_flags |= RAW | ANYP;
|
|
|
|
|
state.sgttyb.sg_flags &= ~(CBREAK | ECHO);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
scb->current_timeout = 0;
|
|
|
|
|
|
|
|
|
|
if (set_tty_state (scb, &state))
|
2011-01-05 22:22:53 +00:00
|
|
|
|
fprintf_unfiltered (gdb_stderr, "set_tty_state failed: %s\n",
|
|
|
|
|
safe_strerror (errno));
|
1999-04-16 01:35:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Wait for input on scb, with timeout seconds. Returns 0 on success,
|
|
|
|
|
otherwise SERIAL_TIMEOUT or SERIAL_ERROR.
|
|
|
|
|
|
|
|
|
|
For termio{s}, we actually just setup VTIME if necessary, and let the
|
2011-01-11 21:53:25 +00:00
|
|
|
|
timeout occur in the read() in hardwire_read(). */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
1999-10-05 23:13:56 +00:00
|
|
|
|
/* FIXME: cagney/1999-09-16: Don't replace this with the equivalent
|
2005-04-21 05:34:33 +00:00
|
|
|
|
ser_base*() until the old TERMIOS/SGTTY/... timer code has been
|
2011-01-11 21:53:25 +00:00
|
|
|
|
flushed. . */
|
1999-10-05 23:13:56 +00:00
|
|
|
|
|
|
|
|
|
/* NOTE: cagney/1999-09-30: Much of the code below is dead. The only
|
|
|
|
|
possible values of the TIMEOUT parameter are ONE and ZERO.
|
|
|
|
|
Consequently all the code that tries to handle the possability of
|
2011-01-11 21:53:25 +00:00
|
|
|
|
an overflowed timer is unnecessary. */
|
1999-09-22 03:28:34 +00:00
|
|
|
|
|
1999-04-16 01:35:26 +00:00
|
|
|
|
static int
|
2001-07-11 17:52:32 +00:00
|
|
|
|
wait_for (struct serial *scb, int timeout)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
#ifdef HAVE_SGTTY
|
2000-12-02 14:56:20 +00:00
|
|
|
|
while (1)
|
|
|
|
|
{
|
|
|
|
|
struct timeval tv;
|
|
|
|
|
fd_set readfds;
|
|
|
|
|
int numfds;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
2000-12-02 14:56:20 +00:00
|
|
|
|
/* NOTE: Some OS's can scramble the READFDS when the select()
|
|
|
|
|
call fails (ex the kernel with Red Hat 5.2). Initialize all
|
2011-01-11 21:53:25 +00:00
|
|
|
|
arguments before each call. */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
2000-12-02 14:56:20 +00:00
|
|
|
|
tv.tv_sec = timeout;
|
|
|
|
|
tv.tv_usec = 0;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
2000-12-02 14:56:20 +00:00
|
|
|
|
FD_ZERO (&readfds);
|
|
|
|
|
FD_SET (scb->fd, &readfds);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
2000-12-02 14:56:20 +00:00
|
|
|
|
if (timeout >= 0)
|
* NEWS: Mention native Windows support.
* Makefile.in (gdb_select_h, ser_tcp_h): New.
(ALLDEPFILES): Add ser-mingw.c.
(event-loop.o, inflow.o, mingw-hdep.o, posix-hdep.o, ser-base.o)
(ser-tcp.o, ser-unix.o): Update.
(ser-mingw.o): New rule.
* configure: Regenerated.
* configure.ac: Add ser-mingw.o for mingw32.
* ser-mingw.c: New file.
* event-loop.c: Include "gdb_select.h".
(gdb_select): Remove, moved to mingw-hdep.c and posix-hdep.c.
* ser-base.c: Include "gdb_select.h".
(ser_base_wait_for): Use gdb_select.
* serial.c (serial_for_fd): New function.
(serial_fdopen): Try "terminal" before "hardwire". Initialize
the allocated struct serial.
(serial_wait_handle): New function.
* serial.h (serial_for_fd, serial_wait_handle): New prototypes.
(struct serial_ops) [USE_WIN32API]: Add wait_handle.
* gdb_select.h: New file.
* ser-tcp.c: Include "ser-tcp.h". Remove unused "ser-unix.h" include.
(net_close, net_read_prim, net_write_prim): Make global.
(net_open): Likewise. Pass an exception set to select. Whitespace fix.
Document why we can not use gdb_select.
(_initialize_ser_tcp) [USE_WIN32API]: Do not register TCP support here.
* ser-tcp.h: New file.
* inflow.c (gdb_has_a_terminal): Don't initialize stdin_serial here.
(handle_sigio): Use gdb_select.
(initialize_stdin_serial): New function.
* terminal.h (initialize_stdin_serial): New prototype.
* top.c (gdb_init): Call initialize_stdin_serial.
* mingw-hdep.c (gdb_select): New function, moved from gdb_select in
event-loop.c. Add exception condition support. Use serial_for_fd
and serial_wait_handle. Fix timeout handling.
* posix-hdep.c: Include "gdb_select.h".
(gdb_select): New function.
* remote-st.c (connect_command): Use gdb_select.
* ser-unix.c: Include "gdb_select.h".
(hardwire_send_break, wait_for): Use gdb_select.
2006-02-10 22:01:43 +00:00
|
|
|
|
numfds = gdb_select (scb->fd + 1, &readfds, 0, 0, &tv);
|
2000-12-02 14:56:20 +00:00
|
|
|
|
else
|
* NEWS: Mention native Windows support.
* Makefile.in (gdb_select_h, ser_tcp_h): New.
(ALLDEPFILES): Add ser-mingw.c.
(event-loop.o, inflow.o, mingw-hdep.o, posix-hdep.o, ser-base.o)
(ser-tcp.o, ser-unix.o): Update.
(ser-mingw.o): New rule.
* configure: Regenerated.
* configure.ac: Add ser-mingw.o for mingw32.
* ser-mingw.c: New file.
* event-loop.c: Include "gdb_select.h".
(gdb_select): Remove, moved to mingw-hdep.c and posix-hdep.c.
* ser-base.c: Include "gdb_select.h".
(ser_base_wait_for): Use gdb_select.
* serial.c (serial_for_fd): New function.
(serial_fdopen): Try "terminal" before "hardwire". Initialize
the allocated struct serial.
(serial_wait_handle): New function.
* serial.h (serial_for_fd, serial_wait_handle): New prototypes.
(struct serial_ops) [USE_WIN32API]: Add wait_handle.
* gdb_select.h: New file.
* ser-tcp.c: Include "ser-tcp.h". Remove unused "ser-unix.h" include.
(net_close, net_read_prim, net_write_prim): Make global.
(net_open): Likewise. Pass an exception set to select. Whitespace fix.
Document why we can not use gdb_select.
(_initialize_ser_tcp) [USE_WIN32API]: Do not register TCP support here.
* ser-tcp.h: New file.
* inflow.c (gdb_has_a_terminal): Don't initialize stdin_serial here.
(handle_sigio): Use gdb_select.
(initialize_stdin_serial): New function.
* terminal.h (initialize_stdin_serial): New prototype.
* top.c (gdb_init): Call initialize_stdin_serial.
* mingw-hdep.c (gdb_select): New function, moved from gdb_select in
event-loop.c. Add exception condition support. Use serial_for_fd
and serial_wait_handle. Fix timeout handling.
* posix-hdep.c: Include "gdb_select.h".
(gdb_select): New function.
* remote-st.c (connect_command): Use gdb_select.
* ser-unix.c: Include "gdb_select.h".
(hardwire_send_break, wait_for): Use gdb_select.
2006-02-10 22:01:43 +00:00
|
|
|
|
numfds = gdb_select (scb->fd + 1, &readfds, 0, 0, 0);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
2000-12-02 14:56:20 +00:00
|
|
|
|
if (numfds <= 0)
|
|
|
|
|
if (numfds == 0)
|
|
|
|
|
return SERIAL_TIMEOUT;
|
|
|
|
|
else if (errno == EINTR)
|
|
|
|
|
continue;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
else
|
2011-01-11 21:53:25 +00:00
|
|
|
|
return SERIAL_ERROR; /* Got an error from select or poll. */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
2000-12-02 14:56:20 +00:00
|
|
|
|
return 0;
|
|
|
|
|
}
|
1999-07-07 20:19:36 +00:00
|
|
|
|
#endif /* HAVE_SGTTY */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
|
|
#if defined HAVE_TERMIO || defined HAVE_TERMIOS
|
|
|
|
|
if (timeout == scb->current_timeout)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
scb->current_timeout = timeout;
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
struct hardwire_ttystate state;
|
|
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
|
if (get_tty_state (scb, &state))
|
2011-01-05 22:22:53 +00:00
|
|
|
|
fprintf_unfiltered (gdb_stderr, "get_tty_state failed: %s\n",
|
|
|
|
|
safe_strerror (errno));
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIOS
|
|
|
|
|
if (timeout < 0)
|
|
|
|
|
{
|
|
|
|
|
/* No timeout. */
|
|
|
|
|
state.termios.c_cc[VTIME] = 0;
|
|
|
|
|
state.termios.c_cc[VMIN] = 1;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
state.termios.c_cc[VMIN] = 0;
|
|
|
|
|
state.termios.c_cc[VTIME] = timeout * 10;
|
|
|
|
|
if (state.termios.c_cc[VTIME] != timeout * 10)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
/* If c_cc is an 8-bit signed character, we can't go
|
|
|
|
|
bigger than this. If it is always unsigned, we could use
|
|
|
|
|
25. */
|
|
|
|
|
|
|
|
|
|
scb->current_timeout = 12;
|
|
|
|
|
state.termios.c_cc[VTIME] = scb->current_timeout * 10;
|
|
|
|
|
scb->timeout_remaining = timeout - scb->current_timeout;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
if (timeout < 0)
|
|
|
|
|
{
|
|
|
|
|
/* No timeout. */
|
|
|
|
|
state.termio.c_cc[VTIME] = 0;
|
|
|
|
|
state.termio.c_cc[VMIN] = 1;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
state.termio.c_cc[VMIN] = 0;
|
|
|
|
|
state.termio.c_cc[VTIME] = timeout * 10;
|
|
|
|
|
if (state.termio.c_cc[VTIME] != timeout * 10)
|
|
|
|
|
{
|
|
|
|
|
/* If c_cc is an 8-bit signed character, we can't go
|
|
|
|
|
bigger than this. If it is always unsigned, we could use
|
|
|
|
|
25. */
|
|
|
|
|
|
|
|
|
|
scb->current_timeout = 12;
|
|
|
|
|
state.termio.c_cc[VTIME] = scb->current_timeout * 10;
|
|
|
|
|
scb->timeout_remaining = timeout - scb->current_timeout;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
if (set_tty_state (scb, &state))
|
2011-01-05 22:22:53 +00:00
|
|
|
|
fprintf_unfiltered (gdb_stderr, "set_tty_state failed: %s\n",
|
|
|
|
|
safe_strerror (errno));
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
1999-07-07 20:19:36 +00:00
|
|
|
|
#endif /* HAVE_TERMIO || HAVE_TERMIOS */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
2011-01-05 22:22:53 +00:00
|
|
|
|
/* Read a character with user-specified timeout. TIMEOUT is number of
|
|
|
|
|
seconds to wait, or -1 to wait forever. Use timeout of 0 to effect
|
|
|
|
|
a poll. Returns char if successful. Returns SERIAL_TIMEOUT if
|
|
|
|
|
timeout expired, EOF if line dropped dead, or SERIAL_ERROR for any
|
|
|
|
|
other error (see errno in that case). */
|
1999-09-22 03:28:34 +00:00
|
|
|
|
|
|
|
|
|
/* FIXME: cagney/1999-09-16: Don't replace this with the equivalent
|
2005-04-21 05:34:33 +00:00
|
|
|
|
ser_base*() until the old TERMIOS/SGTTY/... timer code has been
|
2011-01-11 21:53:25 +00:00
|
|
|
|
flushed. */
|
1999-09-22 03:28:34 +00:00
|
|
|
|
|
|
|
|
|
/* NOTE: cagney/1999-09-16: This function is not identical to
|
2005-04-21 05:34:33 +00:00
|
|
|
|
ser_base_readchar() as part of replacing it with ser_base*()
|
1999-09-22 03:28:34 +00:00
|
|
|
|
merging will be required - this code handles the case where read()
|
2005-04-21 05:34:33 +00:00
|
|
|
|
times out due to no data while ser_base_readchar() doesn't expect
|
2011-01-11 21:53:25 +00:00
|
|
|
|
that. */
|
1999-09-22 03:28:34 +00:00
|
|
|
|
|
1999-04-16 01:35:26 +00:00
|
|
|
|
static int
|
2001-07-11 17:52:32 +00:00
|
|
|
|
do_hardwire_readchar (struct serial *scb, int timeout)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
1999-04-26 18:34:20 +00:00
|
|
|
|
int status, delta;
|
|
|
|
|
int detach = 0;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
|
|
|
|
if (timeout > 0)
|
|
|
|
|
timeout++;
|
|
|
|
|
|
2005-01-14 01:59:20 +00:00
|
|
|
|
/* We have to be able to keep the GUI alive here, so we break the
|
|
|
|
|
original timeout into steps of 1 second, running the "keep the
|
|
|
|
|
GUI alive" hook each time through the loop.
|
|
|
|
|
|
|
|
|
|
Also, timeout = 0 means to poll, so we just set the delta to 0,
|
|
|
|
|
so we will only go through the loop once. */
|
1999-07-07 20:19:36 +00:00
|
|
|
|
|
1999-04-26 18:34:20 +00:00
|
|
|
|
delta = (timeout == 0 ? 0 : 1);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
while (1)
|
|
|
|
|
{
|
|
|
|
|
|
1999-04-26 18:34:20 +00:00
|
|
|
|
/* N.B. The UI may destroy our world (for instance by calling
|
|
|
|
|
remote_stop,) in which case we want to get out of here as
|
|
|
|
|
quickly as possible. It is not safe to touch scb, since
|
2004-06-25 19:46:08 +00:00
|
|
|
|
someone else might have freed it. The
|
|
|
|
|
deprecated_ui_loop_hook signals that we should exit by
|
|
|
|
|
returning 1. */
|
1999-04-26 18:34:20 +00:00
|
|
|
|
|
2004-06-25 19:46:08 +00:00
|
|
|
|
if (deprecated_ui_loop_hook)
|
|
|
|
|
detach = deprecated_ui_loop_hook (0);
|
1999-04-26 18:34:20 +00:00
|
|
|
|
|
|
|
|
|
if (detach)
|
|
|
|
|
return SERIAL_TIMEOUT;
|
|
|
|
|
|
|
|
|
|
scb->timeout_remaining = (timeout < 0 ? timeout : timeout - delta);
|
|
|
|
|
status = wait_for (scb, delta);
|
|
|
|
|
|
1999-04-16 01:35:26 +00:00
|
|
|
|
if (status < 0)
|
|
|
|
|
return status;
|
|
|
|
|
|
1999-10-05 23:13:56 +00:00
|
|
|
|
status = read (scb->fd, scb->buf, BUFSIZ);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
1999-10-05 23:13:56 +00:00
|
|
|
|
if (status <= 0)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
1999-10-05 23:13:56 +00:00
|
|
|
|
if (status == 0)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
/* Zero characters means timeout (it could also be EOF, but
|
1999-07-07 20:19:36 +00:00
|
|
|
|
we don't (yet at least) distinguish). */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
if (scb->timeout_remaining > 0)
|
|
|
|
|
{
|
|
|
|
|
timeout = scb->timeout_remaining;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
1999-07-07 20:19:36 +00:00
|
|
|
|
else if (scb->timeout_remaining < 0)
|
|
|
|
|
continue;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
else
|
|
|
|
|
return SERIAL_TIMEOUT;
|
|
|
|
|
}
|
|
|
|
|
else if (errno == EINTR)
|
|
|
|
|
continue;
|
|
|
|
|
else
|
2011-01-05 22:22:53 +00:00
|
|
|
|
return SERIAL_ERROR; /* Got an error from read. */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
}
|
|
|
|
|
|
1999-10-05 23:13:56 +00:00
|
|
|
|
scb->bufcnt = status;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
scb->bufcnt--;
|
|
|
|
|
scb->bufp = scb->buf;
|
|
|
|
|
return *scb->bufp++;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
1999-10-05 23:13:56 +00:00
|
|
|
|
static int
|
2001-07-11 17:52:32 +00:00
|
|
|
|
hardwire_readchar (struct serial *scb, int timeout)
|
1999-10-05 23:13:56 +00:00
|
|
|
|
{
|
|
|
|
|
return generic_readchar (scb, timeout, do_hardwire_readchar);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#ifndef B19200
|
|
|
|
|
#define B19200 EXTA
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef B38400
|
|
|
|
|
#define B38400 EXTB
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Translate baud rates from integers to damn B_codes. Unix should
|
|
|
|
|
have outgrown this crap years ago, but even POSIX wouldn't buck it. */
|
|
|
|
|
|
|
|
|
|
static struct
|
|
|
|
|
{
|
|
|
|
|
int rate;
|
|
|
|
|
int code;
|
|
|
|
|
}
|
|
|
|
|
baudtab[] =
|
|
|
|
|
{
|
1999-07-07 20:19:36 +00:00
|
|
|
|
{
|
|
|
|
|
50, B50
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
75, B75
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
110, B110
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
134, B134
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
150, B150
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
200, B200
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
300, B300
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
600, B600
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
1200, B1200
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
1800, B1800
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
2400, B2400
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
4800, B4800
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
9600, B9600
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
19200, B19200
|
|
|
|
|
}
|
|
|
|
|
,
|
|
|
|
|
{
|
|
|
|
|
38400, B38400
|
|
|
|
|
}
|
|
|
|
|
,
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#ifdef B57600
|
1999-07-07 20:19:36 +00:00
|
|
|
|
{
|
|
|
|
|
57600, B57600
|
|
|
|
|
}
|
|
|
|
|
,
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef B115200
|
1999-07-07 20:19:36 +00:00
|
|
|
|
{
|
|
|
|
|
115200, B115200
|
|
|
|
|
}
|
|
|
|
|
,
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef B230400
|
1999-07-07 20:19:36 +00:00
|
|
|
|
{
|
|
|
|
|
230400, B230400
|
|
|
|
|
}
|
|
|
|
|
,
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
#ifdef B460800
|
1999-07-07 20:19:36 +00:00
|
|
|
|
{
|
|
|
|
|
460800, B460800
|
|
|
|
|
}
|
|
|
|
|
,
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
1999-07-07 20:19:36 +00:00
|
|
|
|
{
|
|
|
|
|
-1, -1
|
|
|
|
|
}
|
|
|
|
|
,
|
1999-04-16 01:35:26 +00:00
|
|
|
|
};
|
|
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
|
static int
|
1999-09-22 03:28:34 +00:00
|
|
|
|
rate_to_code (int rate)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
for (i = 0; baudtab[i].rate != -1; i++)
|
2001-05-11 18:34:13 +00:00
|
|
|
|
{
|
2011-01-11 21:53:25 +00:00
|
|
|
|
/* test for perfect macth. */
|
2001-05-11 18:34:13 +00:00
|
|
|
|
if (rate == baudtab[i].rate)
|
|
|
|
|
return baudtab[i].code;
|
|
|
|
|
else
|
|
|
|
|
{
|
2011-01-11 21:53:25 +00:00
|
|
|
|
/* check if it is in between valid values. */
|
2001-05-11 18:34:13 +00:00
|
|
|
|
if (rate < baudtab[i].rate)
|
|
|
|
|
{
|
|
|
|
|
if (i)
|
|
|
|
|
{
|
2011-01-05 22:22:53 +00:00
|
|
|
|
warning (_("Invalid baud rate %d. "
|
|
|
|
|
"Closest values are %d and %d."),
|
|
|
|
|
rate, baudtab[i - 1].rate, baudtab[i].rate);
|
2001-05-11 18:34:13 +00:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
* event-top.c, exec.c, expprint.c, f-lang.c: Update.
* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
* remote-rdp.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote-utils.h, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
* somread.c, somsolib.c, source.c, stabsread.c: Update.
* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
* tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
|
|
|
|
warning (_("Invalid baud rate %d. Minimum value is %d."),
|
2011-01-05 22:22:53 +00:00
|
|
|
|
rate, baudtab[0].rate);
|
2001-05-11 18:34:13 +00:00
|
|
|
|
}
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2011-01-11 21:53:25 +00:00
|
|
|
|
/* The requested speed was too large. */
|
2005-02-10 Andrew Cagney <cagney@gnu.org>
Mark up all error and warning messages.
* ada-lang.c, amd64-tdep.c, arch-utils.c, breakpoint.c: Update.
* bsd-kvm.c, bsd-uthread.c, coff-solib.h, coffread.c: Update.
* core-aout.c, core-regset.c, corefile.c, corelow.c: Update.
* cp-abi.c, cp-support.c, cp-valprint.c, cris-tdep.c: Update.
* dbxread.c, demangle.c, doublest.c, dsrec.c: Update.
* dve3900-rom.c, dwarf2expr.c, dwarf2loc.c: Update.
* dwarf2read.c, dwarfread.c, elfread.c, eval.c: Update.
* event-top.c, exec.c, expprint.c, f-lang.c: Update.
* f-typeprint.c, f-valprint.c, fbsd-nat.c, findvar.c: Update.
* frame.c, frv-linux-tdep.c, gcore.c, gdbtypes.c: Update.
* gnu-nat.c, gnu-v2-abi.c, gnu-v3-abi.c, go32-nat.c: Update.
* hpacc-abi.c, hppa-hpux-nat.c, hppa-hpux-tdep.c: Update.
* hppa-linux-nat.c, hppa-linux-tdep.c, hppa-tdep.c: Update.
* hpread.c, hpux-thread.c, i386-linux-nat.c: Update.
* i386-linux-tdep.c, i386-tdep.c, i386bsd-nat.c: Update.
* i386gnu-nat.c, i387-tdep.c, ia64-linux-nat.c: Update.
* ia64-tdep.c, inf-child.c, inf-ptrace.c, inf-ttrace.c: Update.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Update.
* inftarg.c, interps.c, irix5-nat.c, jv-lang.c: Update.
* kod-cisco.c, kod.c, language.c, libunwind-frame.c: Update.
* linespec.c, linux-nat.c, linux-thread-db.c, m2-lang.c: Update.
* m32r-rom.c, m68hc11-tdep.c, m68k-tdep.c: Update.
* m68klinux-nat.c, macrocmd.c, macroexp.c, main.c: Update.
* maint.c, mdebugread.c, mem-break.c, memattr.c: Update.
* mips-linux-tdep.c, mips-tdep.c, mipsread.c, monitor.c: Update.
* nlmread.c, nto-procfs.c, objc-lang.c, objfiles.c: Update.
* observer.c, ocd.c, p-lang.c, p-typeprint.c: Update.
* p-valprint.c, pa64solib.c, parse.c, ppc-linux-tdep.c: Update.
* ppcnbsd-tdep.c, printcmd.c, procfs.c, remote-e7000.c: Update.
* remote-fileio.c, remote-m32r-sdi.c, remote-rdi.c: Update.
* remote-rdp.c, remote-sim.c, remote-st.c: Update.
* remote-utils.c, remote-utils.h, remote.c: Update.
* rom68k-rom.c, rs6000-nat.c, s390-tdep.c, scm-lang.c: Update.
* ser-e7kpc.c, ser-tcp.c, ser-unix.c, sh-tdep.c: Update.
* sh3-rom.c, shnbsd-tdep.c, sol-thread.c, solib-aix5.c: Update.
* solib-frv.c, solib-irix.c, solib-osf.c, solib-pa64.c: Update.
* solib-som.c, solib-sunos.c, solib-svr4.c, solib.c: Update.
* somread.c, somsolib.c, source.c, stabsread.c: Update.
* stack.c, std-regs.c, symfile-mem.c, symfile.c: Update.
* symmisc.c, symtab.c, target.c, thread.c, top.c: Update.
* tracepoint.c, trad-frame.c, typeprint.c, utils.c: Update.
* uw-thread.c, valarith.c, valops.c, valprint.c: Update.
* value.c, varobj.c, version.in, win32-nat.c, wince.c: Update.
* xcoffread.c, xcoffsolib.c, cli/cli-cmds.c: Update.
* cli/cli-decode.c, cli/cli-dump.c, cli/cli-logging.c: Update.
* cli/cli-script.c, cli/cli-setshow.c, mi/mi-cmd-break.c: Update.
* mi/mi-cmd-disas.c, mi/mi-cmd-env.c, mi/mi-cmd-file.c: Update.
* mi/mi-cmd-stack.c, mi/mi-cmd-var.c, mi/mi-getopt.c: Update.
* mi/mi-symbol-cmds.c, tui/tui-layout.c, tui/tui-stack.c: Update.
* tui/tui-win.c: Update.
2005-02-11 04:06:14 +00:00
|
|
|
|
warning (_("Invalid baud rate %d. Maximum value is %d."),
|
2001-05-11 18:34:13 +00:00
|
|
|
|
rate, baudtab[i - 1].rate);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
2001-07-11 17:52:32 +00:00
|
|
|
|
hardwire_setbaudrate (struct serial *scb, int rate)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
struct hardwire_ttystate state;
|
2001-05-11 18:34:13 +00:00
|
|
|
|
int baud_code = rate_to_code (rate);
|
|
|
|
|
|
|
|
|
|
if (baud_code < 0)
|
|
|
|
|
{
|
|
|
|
|
/* The baud rate was not valid.
|
2011-01-11 21:53:25 +00:00
|
|
|
|
A warning has already been issued. */
|
2001-05-11 18:34:13 +00:00
|
|
|
|
errno = EINVAL;
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
1999-04-16 01:35:26 +00:00
|
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
|
if (get_tty_state (scb, &state))
|
1999-04-16 01:35:26 +00:00
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIOS
|
2001-05-11 18:34:13 +00:00
|
|
|
|
cfsetospeed (&state.termios, baud_code);
|
|
|
|
|
cfsetispeed (&state.termios, baud_code);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
#ifndef CIBAUD
|
|
|
|
|
#define CIBAUD CBAUD
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
state.termio.c_cflag &= ~(CBAUD | CIBAUD);
|
2001-05-11 18:34:13 +00:00
|
|
|
|
state.termio.c_cflag |= baud_code;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_SGTTY
|
2001-05-11 18:34:13 +00:00
|
|
|
|
state.sgttyb.sg_ispeed = baud_code;
|
|
|
|
|
state.sgttyb.sg_ospeed = baud_code;
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
return set_tty_state (scb, &state);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
2001-07-11 17:52:32 +00:00
|
|
|
|
hardwire_setstopbits (struct serial *scb, int num)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
struct hardwire_ttystate state;
|
|
|
|
|
int newbit;
|
|
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
|
if (get_tty_state (scb, &state))
|
1999-04-16 01:35:26 +00:00
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
|
|
switch (num)
|
|
|
|
|
{
|
|
|
|
|
case SERIAL_1_STOPBITS:
|
|
|
|
|
newbit = 0;
|
|
|
|
|
break;
|
|
|
|
|
case SERIAL_1_AND_A_HALF_STOPBITS:
|
|
|
|
|
case SERIAL_2_STOPBITS:
|
|
|
|
|
newbit = 1;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIOS
|
|
|
|
|
if (!newbit)
|
|
|
|
|
state.termios.c_cflag &= ~CSTOPB;
|
|
|
|
|
else
|
1999-07-07 20:19:36 +00:00
|
|
|
|
state.termios.c_cflag |= CSTOPB; /* two bits */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIO
|
|
|
|
|
if (!newbit)
|
|
|
|
|
state.termio.c_cflag &= ~CSTOPB;
|
|
|
|
|
else
|
1999-07-07 20:19:36 +00:00
|
|
|
|
state.termio.c_cflag |= CSTOPB; /* two bits */
|
1999-04-16 01:35:26 +00:00
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_SGTTY
|
|
|
|
|
return 0; /* sgtty doesn't support this */
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
return set_tty_state (scb, &state);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2001-07-11 17:52:32 +00:00
|
|
|
|
hardwire_close (struct serial *scb)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
|
|
|
|
if (scb->fd < 0)
|
|
|
|
|
return;
|
|
|
|
|
|
1999-07-07 20:19:36 +00:00
|
|
|
|
close (scb->fd);
|
1999-04-16 01:35:26 +00:00
|
|
|
|
scb->fd = -1;
|
|
|
|
|
}
|
1999-09-22 03:28:34 +00:00
|
|
|
|
|
1999-10-05 23:13:56 +00:00
|
|
|
|
|
1999-04-16 01:35:26 +00:00
|
|
|
|
void
|
1999-09-22 03:28:34 +00:00
|
|
|
|
_initialize_ser_hardwire (void)
|
1999-04-16 01:35:26 +00:00
|
|
|
|
{
|
1999-09-22 03:28:34 +00:00
|
|
|
|
struct serial_ops *ops = XMALLOC (struct serial_ops);
|
2010-05-16 23:49:58 +00:00
|
|
|
|
|
2003-05-13 19:40:11 +00:00
|
|
|
|
memset (ops, 0, sizeof (struct serial_ops));
|
1999-09-22 03:28:34 +00:00
|
|
|
|
ops->name = "hardwire";
|
|
|
|
|
ops->next = 0;
|
|
|
|
|
ops->open = hardwire_open;
|
|
|
|
|
ops->close = hardwire_close;
|
2005-04-21 05:34:33 +00:00
|
|
|
|
/* FIXME: Don't replace this with the equivalent ser_base*() until
|
2011-01-11 21:53:25 +00:00
|
|
|
|
the old TERMIOS/SGTTY/... timer code has been flushed. cagney
|
|
|
|
|
1999-09-16. */
|
1999-09-22 03:28:34 +00:00
|
|
|
|
ops->readchar = hardwire_readchar;
|
2005-03-25 20:06:36 +00:00
|
|
|
|
ops->write = ser_base_write;
|
1999-09-22 03:28:34 +00:00
|
|
|
|
ops->flush_output = hardwire_flush_output;
|
|
|
|
|
ops->flush_input = hardwire_flush_input;
|
|
|
|
|
ops->send_break = hardwire_send_break;
|
|
|
|
|
ops->go_raw = hardwire_raw;
|
|
|
|
|
ops->get_tty_state = hardwire_get_tty_state;
|
2011-03-04 19:23:42 +00:00
|
|
|
|
ops->copy_tty_state = hardwire_copy_tty_state;
|
1999-09-22 03:28:34 +00:00
|
|
|
|
ops->set_tty_state = hardwire_set_tty_state;
|
|
|
|
|
ops->print_tty_state = hardwire_print_tty_state;
|
|
|
|
|
ops->noflush_set_tty_state = hardwire_noflush_set_tty_state;
|
|
|
|
|
ops->setbaudrate = hardwire_setbaudrate;
|
|
|
|
|
ops->setstopbits = hardwire_setstopbits;
|
|
|
|
|
ops->drain_output = hardwire_drain_output;
|
2005-03-25 20:06:36 +00:00
|
|
|
|
ops->async = ser_base_async;
|
2005-04-21 05:34:33 +00:00
|
|
|
|
ops->read_prim = ser_unix_read_prim;
|
|
|
|
|
ops->write_prim = ser_unix_write_prim;
|
1999-09-22 03:28:34 +00:00
|
|
|
|
serial_add_interface (ops);
|
2007-05-22 10:57:12 +00:00
|
|
|
|
|
|
|
|
|
#ifdef HAVE_TERMIOS
|
|
|
|
|
#ifdef CRTSCTS
|
|
|
|
|
add_setshow_boolean_cmd ("remoteflow", no_class,
|
|
|
|
|
&serial_hwflow, _("\
|
|
|
|
|
Set use of hardware flow control for remote serial I/O."), _("\
|
|
|
|
|
Show use of hardware flow control for remote serial I/O."), _("\
|
|
|
|
|
Enable or disable hardware flow control (RTS/CTS) on the serial port\n\
|
|
|
|
|
when debugging using remote targets."),
|
|
|
|
|
NULL,
|
|
|
|
|
show_serial_hwflow,
|
|
|
|
|
&setlist, &showlist);
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
1999-04-16 01:35:26 +00:00
|
|
|
|
}
|
2005-04-21 05:34:33 +00:00
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int
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ser_unix_read_prim (struct serial *scb, size_t count)
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{
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int status;
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while (1)
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{
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status = read (scb->fd, scb->buf, count);
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if (status != -1 || errno != EINTR)
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break;
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}
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return status;
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}
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int
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ser_unix_write_prim (struct serial *scb, const void *buf, size_t len)
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{
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/* ??? Historically, GDB has not retried calls to "write" that
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result in EINTR. */
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return write (scb->fd, buf, len);
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}
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