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-rw-r--r--gdb/serial.c526
1 files changed, 0 insertions, 526 deletions
diff --git a/gdb/serial.c b/gdb/serial.c
deleted file mode 100644
index ce420ee..0000000
--- a/gdb/serial.c
+++ /dev/null
@@ -1,526 +0,0 @@
-/* Generic serial interface routines
- Copyright 1992, 1993, 1996, 1997 Free Software Foundation, Inc.
-
-This file is part of GDB.
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "defs.h"
-#include <ctype.h>
-#include "serial.h"
-#include "gdb_string.h"
-#include "gdbcmd.h"
-
-/* Linked list of serial I/O handlers */
-
-static struct serial_ops *serial_ops_list = NULL;
-
-/* This is the last serial stream opened. Used by connect command. */
-
-static serial_t last_serial_opened = NULL;
-
-/* Pointer to list of scb's. */
-
-static serial_t scb_base;
-
-/* Non-NULL gives filename which contains a recording of the remote session,
- suitable for playback by gdbserver. */
-
-static char *serial_logfile = NULL;
-static GDB_FILE *serial_logfp = NULL;
-
-static struct serial_ops *serial_interface_lookup PARAMS ((char *));
-static void serial_logchar PARAMS ((int, int, int));
-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;
-
-
-static int serial_current_type = 0;
-
-/* 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 (ch_type, ch, timeout)
- int ch_type;
- int ch;
- int timeout;
-{
- if (ch_type != serial_current_type)
- {
- fprintf_unfiltered (serial_logfp, "\n%c ", ch_type);
- serial_current_type = ch_type;
- }
-
- if (serial_logbase != logbase_ascii)
- fputc_unfiltered (' ', serial_logfp);
-
- switch (ch)
- {
- case SERIAL_TIMEOUT:
- fprintf_unfiltered (serial_logfp, "<Timeout: %d seconds>", timeout);
- return;
- case SERIAL_ERROR:
- fprintf_unfiltered (serial_logfp, "<Error: %s>", safe_strerror (errno));
- return;
- case SERIAL_EOF:
- fputs_unfiltered ("<Eof>", serial_logfp);
- return;
- case SERIAL_BREAK:
- fputs_unfiltered ("<Break>", serial_logfp);
- return;
- default:
- if (serial_logbase == logbase_hex)
- fprintf_unfiltered (serial_logfp, "%02x", ch & 0xff);
- else if (serial_logbase == logbase_octal)
- fprintf_unfiltered (serial_logfp, "%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;
- }
- }
-}
-
-void
-serial_log_command (cmd)
- const char *cmd;
-{
- if (!serial_logfp)
- return;
-
- serial_current_type = 'c';
-
- fputs_unfiltered ("\nc ", serial_logfp);
- 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. */
- gdb_flush (serial_logfp);
-}
-
-int
-serial_write (scb, str, len)
- serial_t scb;
- const char *str;
- int len;
-{
- if (serial_logfp != NULL)
- {
- int count;
-
- for (count = 0; count < len; count++)
- serial_logchar ('w', str[count] & 0xff, 0);
-
- /* 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 (scb -> ops -> write (scb, str, len));
-}
-
-int
-serial_readchar (scb, timeout)
- serial_t scb;
- int timeout;
-{
- 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);
-}
-
-int
-serial_send_break (scb)
- serial_t scb;
-{
- if (serial_logfp != NULL)
- serial_logchar ('w', SERIAL_BREAK, 0);
-
- return (scb -> ops -> send_break (scb));
-}
-
-static struct serial_ops *
-serial_interface_lookup (name)
- char *name;
-{
- struct serial_ops *ops;
-
- for (ops = serial_ops_list; ops; ops = ops->next)
- if (strcmp (name, ops->name) == 0)
- return ops;
-
- 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. */
-
-serial_t
-serial_open (name)
- const char *name;
-{
- serial_t scb;
- struct serial_ops *ops;
-
- 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)
- 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
- ops = serial_interface_lookup ("hardwire");
-
- if (!ops)
- return NULL;
-
- scb = (serial_t)xmalloc (sizeof (struct _serial_t));
-
- scb->ops = ops;
-
- scb->bufcnt = 0;
- scb->bufp = scb->buf;
-
- if (scb->ops->open(scb, name))
- {
- free (scb);
- return NULL;
- }
-
- scb->name = strsave (name);
- scb->next = scb_base;
- scb->refcnt = 1;
- scb_base = scb;
-
- last_serial_opened = scb;
-
- if (serial_logfile != NULL)
- {
- serial_logfp = gdb_fopen (serial_logfile, "w");
- if (serial_logfp == NULL)
- perror_with_name (serial_logfile);
- }
-
- return scb;
-}
-
-serial_t
-serial_fdopen (fd)
- const int fd;
-{
- serial_t scb;
- struct serial_ops *ops;
-
- for (scb = scb_base; scb; scb = scb->next)
- if (scb->fd == fd)
- {
- scb->refcnt++;
- return scb;
- }
-
- ops = serial_interface_lookup ("hardwire");
-
- if (!ops)
- return NULL;
-
- scb = (serial_t)xmalloc (sizeof (struct _serial_t));
-
- scb->ops = ops;
-
- scb->bufcnt = 0;
- scb->bufp = scb->buf;
-
- scb->fd = fd;
-
- scb->name = NULL;
- scb->next = scb_base;
- scb->refcnt = 1;
- scb_base = scb;
-
- last_serial_opened = scb;
-
- return scb;
-}
-
-void
-serial_close (scb, really_close)
- serial_t scb;
- int really_close;
-{
- serial_t tmp_scb;
-
- last_serial_opened = NULL;
-
- if (serial_logfp)
- {
- fputs_unfiltered ("\nEnd of log\n", serial_logfp);
- serial_current_type = 0;
-
- /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */
- gdb_fclose (&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;
-
- if (really_close)
- scb->ops->close (scb);
-
- if (scb->name)
- free (scb->name);
-
- if (scb_base == scb)
- scb_base = scb_base->next;
- else
- for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next)
- {
- if (tmp_scb->next != scb)
- continue;
-
- tmp_scb->next = tmp_scb->next->next;
- break;
- }
-
- free(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.
-
- 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
-*/
-
-/* 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. */
-
-static serial_t tty_desc; /* Controlling terminal */
-
-static void
-cleanup_tty(ttystate)
- serial_ttystate ttystate;
-{
- printf_unfiltered ("\r\n[Exiting connect mode]\r\n");
- SERIAL_SET_TTY_STATE (tty_desc, ttystate);
- free (ttystate);
- SERIAL_CLOSE (tty_desc);
-}
-
-static void
-connect_command (args, fromtty)
- char *args;
- int fromtty;
-{
- int c;
- char cur_esc = 0;
- serial_ttystate ttystate;
- serial_t port_desc; /* TTY port */
-
- dont_repeat();
-
- 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");
-
- tty_desc = SERIAL_FDOPEN (0);
- port_desc = last_serial_opened;
-
- ttystate = SERIAL_GET_TTY_STATE (tty_desc);
-
- SERIAL_RAW (tty_desc);
- SERIAL_RAW (port_desc);
-
- make_cleanup (cleanup_tty, ttystate);
-
- while (1)
- {
- 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;
- }
- }
- }
-
- if (mask & 1)
- { /* Port input */
- char cx;
-
- while (1)
- {
- c = SERIAL_READCHAR(port_desc, 0);
-
- if (c == SERIAL_TIMEOUT)
- break;
-
- if (c < 0)
- perror_with_name("connect");
-
- cx = c;
-
- SERIAL_WRITE(tty_desc, &cx, 1);
- }
- }
- }
-}
-#endif /* 0 */
-
-/* VARARGS */
-void
-#ifdef ANSI_PROTOTYPES
-serial_printf (serial_t desc, const char *format, ...)
-#else
-serial_printf (va_alist)
- va_dcl
-#endif
-{
- va_list args;
- char *buf;
-#ifdef ANSI_PROTOTYPES
- va_start (args, format);
-#else
- serial_t desc;
- char *format;
-
- va_start (args);
- desc = va_arg (args, serial_t);
- format = va_arg (args, char *);
-#endif
-
- vasprintf (&buf, format, args);
- SERIAL_WRITE (desc, buf, strlen (buf));
-
- free (buf);
- va_end (args);
-}
-
-void
-_initialize_serial ()
-{
-#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.");
-#endif /* 0 */
-
- add_show_from_set
- (add_set_cmd ("remotelogfile", no_class,
- var_filename, (char *) &serial_logfile,
- "Set filename for remote session recording.\n\
-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);
-}
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