diff options
Diffstat (limited to 'gdb/serial.c')
| -rw-r--r-- | gdb/serial.c | 105 |
1 files changed, 86 insertions, 19 deletions
diff --git a/gdb/serial.c b/gdb/serial.c index 151881a..c30fda6 100644 --- a/gdb/serial.c +++ b/gdb/serial.c @@ -38,11 +38,16 @@ static serial_t scb_base; /* Non-NULL gives filename which contains a recording of the remote session, suitable for playback by gdbserver. */ -char *serial_logfile = NULL; -FILE *serial_logfp = NULL; +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)); +static void serial_logchar PARAMS ((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; static int serial_reading = 0; @@ -52,6 +57,9 @@ void serial_log_command (cmd) const char *cmd; { + if (!serial_logfp) + return; + if (serial_reading || serial_writing) { fputc_unfiltered ('\n', serial_logfp); @@ -64,21 +72,50 @@ serial_log_command (cmd) fflush (serial_logfp); } +/* 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) +serial_logchar (ch, timeout) int ch; + int timeout; { + if (serial_logbase != logbase_ascii) + fputc_unfiltered (' ', serial_logfp); + 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 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; + } + } } int @@ -98,13 +135,12 @@ serial_write (scb, str, len) } if (!serial_writing) { - serial_logchar ('w'); - serial_logchar (' '); + fputs_unfiltered ("w ", serial_logfp); serial_writing = 1; } for (count = 0; count < len; count++) { - serial_logchar (str[count]); + serial_logchar (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. */ @@ -130,11 +166,10 @@ serial_readchar (scb, timeout) } if (!serial_reading) { - serial_logchar ('r'); - serial_logchar (' '); + fputs_unfiltered ("r ", serial_logfp); serial_reading = 1; } - serial_logchar (ch); + serial_logchar (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. */ fflush (serial_logfp); @@ -142,6 +177,30 @@ serial_readchar (scb, timeout) return (ch); } +int +serial_send_break (scb) + serial_t scb; +{ + if (serial_logfp != NULL) + { + if (serial_reading) + { + fputc_unfiltered ('\n', serial_logfp); + serial_reading = 0; + } + if (!serial_writing) + { + fputs_unfiltered ("w ", serial_logfp); + serial_writing = 1; + } + serial_logchar (SERIAL_BREAK, 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. */ + fflush (serial_logfp); + } + return (scb -> ops -> send_break (scb)); +} + static struct serial_ops * serial_interface_lookup (name) char *name; @@ -471,6 +530,8 @@ serial_printf (va_alist) void _initialize_serial () { + struct cmd_list_element *cmd; + #if 0 add_com ("connect", class_obscure, connect_command, "Connect the terminal directly up to the command monitor.\n\ @@ -484,4 +545,10 @@ 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 ...", + &setlist), + &showlist); } |