+/* 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 FILE *serial_logfp = NULL;
+
+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;
+
+\f
+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 (chtype, ch, timeout)
+ int chtype;
+ int ch;
+ int timeout;
+{
+ if (chtype != serial_current_type)
+ {
+ fprintf_unfiltered (serial_logfp, "\n%c ", chtype);
+ serial_current_type = chtype;
+ }
+
+ 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));
+}
+