diff options
Diffstat (limited to 'gdb/serial.h')
| -rw-r--r-- | gdb/serial.h | 79 |
1 files changed, 37 insertions, 42 deletions
diff --git a/gdb/serial.h b/gdb/serial.h index 147873c..767a91b 100644 --- a/gdb/serial.h +++ b/gdb/serial.h @@ -17,75 +17,70 @@ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#ifdef __GO32__ +/* Terminal state pointer. This is specific to each type of interface. */ -/* Then you use the asynctsr */ +typedef PTR ttystate; -struct ttystate { - /* No members */ +struct _serial_t +{ + int fd; + struct serial_ops *ops; + ttystate ttystate; + int bufcnt; + unsigned char *bufp; + unsigned char buf[BUFSIZ]; }; -#else -#ifdef HAVE_TERMIO - -#include <termios.h> -#include <unistd.h> - -struct ttystate -{ - int flags; /* Flags from fcntl F_GETFL */ - struct termios termios; /* old tty driver settings */ +typedef struct _serial_t *serial_t; + +struct serial_ops { + char *name; + struct serial_ops *next; + int (*open) PARAMS ((serial_t, const char *name)); + void (*close) PARAMS ((serial_t)); + int (*readchar) PARAMS ((serial_t, int timeout)); + int (*write) PARAMS ((serial_t, const char *str, int len)); + void (*go_raw) PARAMS ((serial_t)); + void (*restore) PARAMS ((serial_t)); + int (*setbaudrate) PARAMS ((serial_t, int rate)); }; -#else /* not HAVE_TERMIO */ +/* Add a new serial interface to the interface list */ -#include <sgtty.h> +void serial_add_interface PARAMS ((struct serial_ops *optable)); -struct ttystate { - int flags; /* Flags from fcntl F_GETFL */ - struct sgttyb sgttyb; /* old tty driver settings */ -}; +/* Try to open the serial device "name", returns a serial_t if ok, NULL if not. + */ -#endif /* not HAVE_TERMIO */ -#endif -/* Return a sensible default name for a serial device, something which - can be used as an argument to serial_open. */ - -const char *serial_default_name PARAMS ((void)); +serial_t serial_open PARAMS ((const char *name)); -/* Try to open the serial device "name", return 1 if ok, 0 if not. */ +/* Internal open routine for specific I/O interface */ -int serial_open PARAMS ((const char *name)); +#define SERIAL_OPEN(SERIAL_T, NAME) (SERIAL_T)->ops->open((SERIAL_T), NAME) /* Turn the port into raw mode. */ -void serial_raw PARAMS ((int fd, struct ttystate *oldstate)); - -/* Turn the port into normal mode. */ - -void serial_normal PARAMS ((void)); +#define SERIAL_RAW(SERIAL_T) (SERIAL_T)->ops->go_raw((SERIAL_T)) /* Read one char from the serial device with <TO>-second timeout. Returns char if ok, else EOF, -2 for timeout, -3 for anything else */ -int serial_readchar PARAMS ((int to)); - -/* Set the baudrate to the decimal value supplied, and return 1, or fail and - return 0. */ +#define SERIAL_READCHAR(SERIAL_T, TIMEOUT) ((SERIAL_T)->ops->readchar((SERIAL_T), TIMEOUT)) -int serial_setbaudrate PARAMS ((int rate)); +/* Set the baudrate to the decimal value supplied. Return 1 on failure, + 0 otherwise. */ -/* Return the next rate in the sequence, or return 0 for failure. */ +#define SERIAL_SETBAUDRATE(SERIAL_T, RATE) ((SERIAL_T)->ops->setbaudrate((SERIAL_T), RATE)) /* Write some chars to the device, returns 0 for failure. See errno for details. */ -int serial_write PARAMS ((const char *str, int len)); +#define SERIAL_WRITE(SERIAL_T, STRING, LEN) ((SERIAL_T)->ops->write((SERIAL_T), STRING, LEN)) /* Close the serial port */ -void serial_close PARAMS ((void)); +#define SERIAL_CLOSE(SERIAL_T) (SERIAL_T)->ops->close((SERIAL_T)) /* Restore the serial port to the state saved in oldstate */ -void serial_restore PARAMS ((int desc, struct ttystate *oldstate)); +#define SERIAL_RESTORE(SERIAL_T) (SERIAL_T)->ops->restore((SERIAL_T)) |