/* Generic serial interface routines
- Copyright (C) 1992-2013 Free Software Foundation, Inc.
+ Copyright (C) 1992-2021 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include <ctype.h>
#include "serial.h"
-#include <string.h>
#include "gdbcmd.h"
#include "cli/cli-utils.h"
-extern void _initialize_serial (void);
-
/* Is serial being debugged? */
static unsigned int global_serial_debug_p;
-/* Linked list of serial I/O handlers. */
+/* Serial I/O handlers. */
-static struct serial_ops *serial_ops_list = NULL;
+static std::vector<const struct serial_ops *> serial_ops_list;
/* Pointer to list of scb's. */
static char *serial_logfile = NULL;
static struct ui_file *serial_logfp = NULL;
-static struct serial_ops *serial_interface_lookup (const char *);
+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";
}
void
-serial_log_command (const char *cmd)
+serial_log_command (struct target_ops *self, const char *cmd)
{
if (!serial_logfp)
return;
}
\f
-static struct serial_ops *
+static const struct serial_ops *
serial_interface_lookup (const char *name)
{
- struct serial_ops *ops;
-
- for (ops = serial_ops_list; ops; ops = ops->next)
+ for (const serial_ops *ops : serial_ops_list)
if (strcmp (name, ops->name) == 0)
return ops;
}
void
-serial_add_interface (struct serial_ops *optable)
+serial_add_interface (const struct serial_ops *optable)
{
- optable->next = serial_ops_list;
- serial_ops_list = optable;
+ serial_ops_list.push_back (optable);
}
/* Return the open serial device for FD, if found, or NULL if FD is
return NULL;
}
+/* Create a new serial for OPS. */
+
+static struct serial *
+new_serial (const struct serial_ops *ops)
+{
+ struct serial *scb;
+
+ scb = XCNEW (struct serial);
+
+ scb->ops = ops;
+
+ scb->bufp = scb->buf;
+ scb->error_fd = -1;
+ scb->refcnt = 1;
+
+ return scb;
+}
+
+static struct serial *serial_open_ops_1 (const struct serial_ops *ops,
+ const char *open_name);
+
/* Open up a device or a network socket, depending upon the syntax of NAME. */
struct serial *
serial_open (const char *name)
{
- struct serial *scb;
- struct serial_ops *ops;
+ const struct serial_ops *ops;
const char *open_name = name;
- if (strcmp (name, "pc") == 0)
- ops = serial_interface_lookup ("pc");
- else if (strncmp (name, "lpt", 3) == 0)
- ops = serial_interface_lookup ("parallel");
- else if (strncmp (name, "|", 1) == 0)
+ if (startswith (name, "|"))
{
ops = serial_interface_lookup ("pipe");
/* Discard ``|'' and any space before the command itself. */
++open_name;
- open_name = skip_spaces_const (open_name);
+ open_name = skip_spaces (open_name);
}
/* Check for a colon, suggesting an IP address/port pair.
Do this *after* checking for all the interesting prefixes. We
else if (strchr (name, ':'))
ops = serial_interface_lookup ("tcp");
else
- ops = serial_interface_lookup ("hardwire");
+ {
+#ifndef USE_WIN32API
+ /* Check to see if name is a socket. If it is, then treat it
+ as such. Otherwise assume that it's a character device. */
+ struct stat sb;
+ if (stat (name, &sb) == 0 && (sb.st_mode & S_IFMT) == S_IFSOCK)
+ ops = serial_interface_lookup ("local");
+ else
+#endif
+ ops = serial_interface_lookup ("hardwire");
+ }
if (!ops)
return NULL;
- scb = XMALLOC (struct serial);
+ return serial_open_ops_1 (ops, open_name);
+}
- scb->ops = ops;
+/* Open up a serial for OPS, passing OPEN_NAME to the open method. */
- scb->bufcnt = 0;
- scb->bufp = scb->buf;
- scb->error_fd = -1;
- scb->refcnt = 1;
+static struct serial *
+serial_open_ops_1 (const struct serial_ops *ops, const char *open_name)
+{
+ struct serial *scb;
+
+ scb = new_serial (ops);
/* `...->open (...)' would get expanded by the open(2) syscall macro. */
if ((*scb->ops->open) (scb, open_name))
return NULL;
}
- scb->name = xstrdup (name);
+ scb->name = open_name != NULL ? xstrdup (open_name) : NULL;
scb->next = scb_base;
- scb->debug_p = 0;
- scb->async_state = 0;
- scb->async_handler = NULL;
- scb->async_context = NULL;
scb_base = scb;
if (serial_logfile != NULL)
{
- serial_logfp = gdb_fopen (serial_logfile, "w");
- if (serial_logfp == NULL)
+ stdio_file_up file (new stdio_file ());
+
+ if (!file->open (serial_logfile, "w"))
perror_with_name (serial_logfile);
+
+ serial_logfp = file.release ();
}
return scb;
}
+/* See serial.h. */
+
+struct serial *
+serial_open_ops (const struct serial_ops *ops)
+{
+ return serial_open_ops_1 (ops, NULL);
+}
+
/* Open a new serial stream using a file handle, using serial
interface ops OPS. */
static struct serial *
-serial_fdopen_ops (const int fd, struct serial_ops *ops)
+serial_fdopen_ops (const int fd, const struct serial_ops *ops)
{
struct serial *scb;
if (!ops)
return NULL;
- scb = XCALLOC (1, struct serial);
-
- scb->ops = ops;
-
- scb->bufcnt = 0;
- scb->bufp = scb->buf;
- scb->error_fd = -1;
- scb->refcnt = 1;
+ scb = new_serial (ops);
scb->name = NULL;
scb->next = scb_base;
- scb->debug_p = 0;
- scb->async_state = 0;
- scb->async_handler = NULL;
- scb->async_context = NULL;
scb_base = scb;
if ((ops->fdopen) != NULL)
serial_current_type = 0;
/* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */
- ui_file_delete (serial_logfp);
+ delete serial_logfp;
serial_logfp = NULL;
}
if (really_close)
scb->ops->close (scb);
- if (scb->name)
- xfree (scb->name);
+ xfree (scb->name);
/* For serial_is_open. */
scb->bufp = NULL;
serial_logchar (serial_logfp, '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. */
+ in case we are getting ready to dump core or something. */
gdb_flush (serial_logfp);
}
if (serial_debug_p (scb))
{
if (serial_logfp != NULL)
{
- const char *str = buf;
+ const char *str = (const char *) buf;
size_t c;
for (c = 0; c < count; c++)
serial_logchar (serial_logfp, 'w', str[c] & 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. */
+ in case we are getting ready to dump core or something. */
gdb_flush (serial_logfp);
}
if (serial_debug_p (scb))
{
- const char *str = buf;
+ const char *str = (const char *) buf;
size_t c;
for (c = 0; c < count; c++)
{
fprintf_unfiltered (gdb_stdlog, "[");
- serial_logchar (gdb_stdlog, 'w', str[count] & 0xff, 0);
+ serial_logchar (gdb_stdlog, 'w', str[c] & 0xff, 0);
fprintf_unfiltered (gdb_stdlog, "]");
}
gdb_flush (gdb_stdlog);
}
void
-serial_printf (struct serial *desc, const char *format,...)
+serial_printf (struct serial *desc, const char *format, ...)
{
va_list args;
- char *buf;
va_start (args, format);
- buf = xstrvprintf (format, args);
- serial_write (desc, buf, strlen (buf));
+ std::string buf = string_vprintf (format, args);
+ serial_write (desc, buf.c_str (), buf.length ());
- xfree (buf);
va_end (args);
}
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->setstopbits (scb, num);
}
+/* See serial.h. */
+
+int
+serial_setparity (struct serial *scb, int parity)
+{
+ return scb->ops->setparity (scb, parity);
+}
+
int
serial_can_async_p (struct serial *scb)
{
int
serial_pipe (struct serial *scbs[2])
{
- struct serial_ops *ops;
+ const struct serial_ops *ops;
int fildes[2];
ops = serial_interface_lookup ("pipe");
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 ", -1, 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. */
+/* See serial.h. */
int baud_rate = -1;
value);
}
+/* See serial.h. */
+
+int serial_parity = GDBPARITY_NONE;
+
+static const char parity_none[] = "none";
+static const char parity_odd[] = "odd";
+static const char parity_even[] = "even";
+static const char *const parity_enums[] =
+ {parity_none, parity_odd, parity_even, NULL};
+static const char *parity = parity_none;
+
+/* Set serial_parity value. */
+
+static void
+set_parity (const char *ignore_args, int from_tty, struct cmd_list_element *c)
+{
+ if (parity == parity_odd)
+ serial_parity = GDBPARITY_ODD;
+ else if (parity == parity_even)
+ serial_parity = GDBPARITY_EVEN;
+ else
+ serial_parity = GDBPARITY_NONE;
+}
+
+void _initialize_serial ();
void
-_initialize_serial (void)
+_initialize_serial ()
{
#if 0
add_com ("connect", class_obscure, connect_command, _("\
Use <CR>~. or <CR>~^D to break out."));
#endif /* 0 */
- add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\
+ add_basic_prefix_cmd ("serial", class_maintenance, _("\
Set default serial/parallel port configuration."),
- &serial_set_cmdlist, "set serial ",
- 0/*allow-unknown*/,
- &setlist);
+ &serial_set_cmdlist,
+ 0/*allow-unknown*/,
+ &setlist);
- add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\
+ add_show_prefix_cmd ("serial", class_maintenance, _("\
Show default serial/parallel port configuration."),
- &serial_show_cmdlist, "show serial ",
- 0/*allow-unknown*/,
- &showlist);
+ &serial_show_cmdlist,
+ 0/*allow-unknown*/,
+ &showlist);
/* If target is open when baud changes, it doesn't take effect until
the next open (I think, not sure). */
serial_baud_show_cmd,
&serial_set_cmdlist, &serial_show_cmdlist);
- /* The commands "set/show serial baud" used to have a different name.
- Add aliases to those names to facilitate the transition, and mark
- them as deprecated, in order to make users aware of the fact that
- the command names have been changed. */
- {
- const char *cmd_name;
- struct cmd_list_element *cmd;
-
- /* FIXME: There is a limitation in the deprecation mechanism,
- and the warning ends up not being displayed for prefixed
- aliases. So use a real command instead of an alias. */
- add_setshow_zinteger_cmd ("remotebaud", class_alias, &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,
- &setlist, &showlist);
- cmd_name = "remotebaud";
- cmd = lookup_cmd (&cmd_name, setlist, "", -1, 1);
- deprecate_cmd (cmd, "set serial baud");
- cmd_name
- = "remotebaud"; /* needed because lookup_cmd updates the pointer */
- cmd = lookup_cmd (&cmd_name, showlist, "", -1, 1);
- deprecate_cmd (cmd, "show serial baud");
- }
+ add_setshow_enum_cmd ("parity", no_class, parity_enums,
+ &parity, _("\
+Set parity for remote serial I/O."), _("\
+Show parity for remote serial I/O."), NULL,
+ set_parity,
+ NULL, /* FIXME: i18n: */
+ &serial_set_cmdlist, &serial_show_cmdlist);
add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\
Set filename for remote session recording."), _("\
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,
+Set numerical base for remote session logging."), _("\
+Show numerical base for remote session logging."), NULL,
NULL,
NULL, /* FIXME: i18n: */
&setlist, &showlist);
projects / binutils.git / blobdiff