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* serial.h (SERIAL_SET_TTY_STATE): Comment return value.

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* remote-es.c: Extensive changes to update to current conventions.
This commit is contained in:
Jim Kingdon 1994-01-29 19:07:02 +00:00
parent a0b352c098
commit 3a479851ff
3 changed files with 64 additions and 190 deletions
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4
gdb/ChangeLog
View File

@ -1,5 +1,7 @@
Sat Jan 29 07:44:59 1994 Jim Kingdon (kingdon@deneb.cygnus.com)
* serial.h (SERIAL_SET_TTY_STATE): Comment return value.
* Makefile.in (TAGS): Just echo one line, rather than the whole thing.
* Makefile.in: Remove all references to sparcly-nat.c.
@ -13,7 +15,7 @@ Sat Jan 29 07:44:59 1994 Jim Kingdon (kingdon@deneb.cygnus.com)
* config/m68k/monitor.mt (TDEPFILE): Add remote-es.o.
* config/m68k/es1800.mt: Add comment.
* remote-es.c: Comment out entire file until it can be fixed.
* remote-es.c: Extensive changes to update to current conventions.
* ser-unix.c (wait_for, hardwire_readchar) [HAVE_TERMIO, HAVE_TERMIOS]:
If the timeout is too big to fit in c_cc[VTIME], then do multiple reads

246
gdb/remote-es.c
View File

@ -90,10 +90,6 @@ STP
*/
#if 0
/* Comment out entire file until it can be fixed (need to clean up
TERMINAL, etc.). */
#include <stdio.h>
#include <signal.h>
#include <sys/ioctl.h>
@ -108,20 +104,10 @@ STP
#include "inferior.h"
#include "target.h"
#include "wait.h"
#include "terminal.h"
#include "command.h"
#include "remote-utils.h"
#ifdef USG
#include <sys/types.h>
#include <sgtty.h>
#endif
#include <signal.h>
/* External variables referenced. */
extern bfd *exec_bfd;
#include "gdbcore.h"
#include "serial.h"
/* Prototypes for local functions */
@ -162,8 +148,7 @@ es1800_xfer_inferior_memory PARAMS ((CORE_ADDR, char *, int, int,
static void
es1800_prepare_to_store PARAMS ((void));
static int
es1800_wait PARAMS ((WAITTYPE *));
static int es1800_wait PARAMS ((int, struct target_waitstatus *));
static void es1800_resume PARAMS ((int, int, enum target_signal));
@ -255,6 +240,7 @@ es1800_init_break PARAMS ((char *, int));
/* Local variables */
/* FIXME: Convert this to use "set remotedebug" instead. */
#define LOG_FILE "es1800.log"
#if defined (LOG_FILE)
static FILE *log_file;
@ -266,7 +252,7 @@ extern struct target_ops es1800_child_ops; /* Forward decl */
static int kiodebug;
static int timeout = 100;
static char *savename; /* Name of i/o device used */
static TERMINAL es1800_sg_save; /* Save stty state */
static serial_ttystate es1800_saved_ttystate;
static int es1800_fc_save; /* Save fcntl state */
/* indicates that the emulator uses 32-bit data-adress (68020-mode)
@ -277,11 +263,11 @@ static int m68020;
#define MODE (m68020 ? "M68020" : "M68000" )
#define ES1800_BREAK_VEC (0xf)
/* Descriptor for I/O to remote machine. Initialize it to -1 so that
/* Descriptor for I/O to remote machine. Initialize it to NULL so that
es1800_open knows that we don't have a file open when the program
starts. */
static int es1800_desc = -1;
static serial_t es1800_desc = NULL;
#define PBUFSIZ 1000
#define HDRLEN sizeof("@.BAAAAAAAA=$VV\r")
@ -333,24 +319,6 @@ es1800_reset (quit)
}
/* Called when SIGALRM signal sent due to alarm() timeout.
Rely on global variables: timeout */
#ifndef HAVE_TERMIO
static void
es1800_timer ()
{
if (kiodebug)
{
printf ("es1800_timer called\n");
}
alarm (timeout);
}
#endif /* HAVE_TERMIO */
/* Open a connection to a remote debugger and push the new target
onto the stack. Check if the emulator is responding and find out
what kind of processor the emulator is connected to.
@ -364,11 +332,9 @@ es1800_open (name, from_tty)
char *name;
int from_tty;
{
TERMINAL sg;
char buf[PBUFSIZ];
char *p;
int i, fcflag;
char baudrate[1024];
m68020 = 0;
@ -376,7 +342,6 @@ es1800_open (name, from_tty)
{
error_no_arg ("serial port device name");
}
sprintf(baudrate, "%d", sr_get_baud_rate());
target_preopen (from_tty);
es1800_close (0);
@ -385,47 +350,39 @@ es1800_open (name, from_tty)
#ifndef DEBUG_STDIN
es1800_desc = open (name, O_RDWR);
if (es1800_desc < 0)
es1800_desc = SERIAL_OPEN (name);
if (es1800_desc == NULL)
{
perror_with_name (name);
}
savename = savestring (name, strlen (name));
if (ioctl (es1800_desc, TIOCGETP, &sg) == -1)
{
perror_with_name (name);
}
es1800_sg_save = sg;
es1800_saved_ttystate = SERIAL_GET_TTY_STATE (es1800_desc);
if ((fcflag = fcntl (es1800_desc, F_GETFL, 0)) == -1)
if ((fcflag = fcntl (es1800_desc->fd, F_GETFL, 0)) == -1)
{
perror_with_name ("fcntl serial");
}
es1800_fc_save = fcflag;
fcflag = (fcflag & (FREAD | FWRITE)); /* mask out any funny stuff */
if (fcntl (es1800_desc, F_SETFL, fcflag) == -1)
if (fcntl (es1800_desc->fd, F_SETFL, fcflag) == -1)
{
perror_with_name ("fcntl serial");
}
#ifdef HAVE_TERMIO
sg.c_cc[VMIN] = 0; /* read with timeout. */
sg.c_cc[VTIME] = timeout * 10;
sg.c_lflag &= ~(ICANON | ECHO);
sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate);
#else
sg.sg_ispeed = damn_b (baudrate);
sg.sg_ospeed = damn_b (baudrate);
sg.sg_flags = CBREAK+TANDEM;
#endif
if ((ioctl (es1800_desc, TIOCSETP, &sg)) == -1)
if (SERIAL_SETBAUDRATE (es1800_desc, baud_rate))
{
perror ("es1800_open: error in ioctl");
SERIAL_CLOSE (es1800_desc);
perror_with_name (name);
}
SERIAL_RAW (es1800_desc);
/* If there is something sitting in the buffer we might take it as a
response to a command, which would be bad. */
SERIAL_FLUSH_INPUT (es1800_desc);
#endif /* DEBUG_STDIN */
push_target (&es1800_ops); /* Switch to using remote target now */
@ -434,30 +391,6 @@ es1800_open (name, from_tty)
printf ("Remote ES1800 debugging using %s\n", name);
}
#ifndef HAVE_TERMIO
#ifndef NO_SIGINTERRUPT
/* Cause SIGALRM's to make reads fail with EINTR instead of resuming
the read. */
if (siginterrupt (SIGALRM, 1) != 0)
{
perror ("es1800_open: error in siginterrupt");
}
#endif /* NO_SIGINTERRUPT */
/* Set up read timeout timer. */
if ((void(*)()) signal (SIGALRM, es1800_timer) == (void(*)()) -1)
{
perror ("es1800_open: error in signal");
}
#endif /* HAVE_TERMIO */
#if defined (LOG_FILE)
log_file = fopen (LOG_FILE, "w");
@ -520,13 +453,14 @@ static void
es1800_close (quitting)
int quitting;
{
if (es1800_desc >= 0)
if (es1800_desc != NULL)
{
printf ("\nClosing connection to emulator...\n");
ioctl (es1800_desc, TIOCSETP, &es1800_sg_save);
fcntl (es1800_desc,F_SETFL, es1800_fc_save);
close (es1800_desc);
es1800_desc = -1;
if (SERIAL_SET_TTY_STATE (es1800_desc, es1800_saved_ttystate) < 0)
print_sys_errmsg ("warning: unable to restore tty state", errno);
fcntl (es1800_desc->fd, F_SETFL, es1800_fc_save);
SERIAL_CLOSE (es1800_desc);
es1800_desc = NULL;
}
if (savename != NULL)
{
@ -553,61 +487,6 @@ es1800_close (quitting)
}
/* damn_b()
Translate baud rates from integers to damn B_codes. Unix should
have outgrown this crap years ago, but even POSIX wouldn't buck it.
rate - the baudrate given as a string
return value: the baudrate as a B_code */
#ifndef B19200
# define B19200 EXTA
#endif
#ifndef B38400
# define B38400 EXTB
#endif
struct
{
char *rate,
damn_b;
} baudtab[] = {
{"0", B0},
{"50", B50},
{"75", B75},
{"110", B110},
{"134", B134},
{"150", B150},
{"200", B200},
{"300", B300},
{"600", B600},
{"1200", B1200},
{"1800", B1800},
{"2400", B2400},
{"4800", B4800},
{"9600", B9600},
{"19200", B19200},
{"38400", B38400},
{0, -1},
};
static int
damn_b (rate)
char *rate;
{
int i;
for (i = 0; baudtab[i].rate != 0; i++)
{
if (STREQ (rate, baudtab[i].rate))
{
return (baudtab[i].damn_b);
}
}
error ("Illegal baudrate");
}
/* Attaches to a process on the target side
proc_id - the id of the process to be attached.
from_tty - says whether to be verbose or not */
@ -681,7 +560,8 @@ es1800_resume (pid, step, siggnal)
status - */
static int
es1800_wait (status)
es1800_wait (pid, status)
int pid;
struct target_waitstatus *status;
{
unsigned char buf[PBUFSIZ];
@ -1399,7 +1279,7 @@ es1800_load (filename, from_tty)
struct cleanup *old_chain;
int es1800_load_format = 5;
if (es1800_desc < 0)
if (es1800_desc == NULL)
{
printf ("No emulator attached, type emulator-command first\n");
return;
@ -1721,38 +1601,23 @@ readchar ()
static int
readchar ()
{
char buf[1];
int ch;
buf[0] = '\0';
ch = SERIAL_READCHAR (es1800_desc, timeout);
#ifdef HAVE_TERMIO
/* termio does the timeout for us. */
read (es1800_desc, buf, 1);
#else
alarm (timeout);
while (read (es1800_desc, buf, 1) != 1)
{
if (errno == EINTR)
{
error ("Timeout reading from remote system.");
}
else if (errno != EWOULDBLOCK)
{
perror_with_name ("remote read");
}
}
alarm (0);
#endif
/* FIXME: doing an error() here will probably cause trouble, at least if from
es1800_wait. */
if (ch == SERIAL_TIMEOUT)
error ("Timeout reading from remote system.");
else if (ch == SERIAL_ERROR)
perror_with_name ("remote read");
#if defined (LOG_FILE)
putc (buf[0] & 0x7f, log_file);
putc (ch & 0x7f, log_file);
fflush (log_file);
#endif
return (buf[0] & 0x7f);
return (ch);
}
#endif /* DEBUG_STDIN */
@ -1770,7 +1635,7 @@ send_with_reply (string, buf, len)
int len;
{
send (string);
write (es1800_desc, "\r", 1);
SERIAL_WRITE (es1800_desc, "\r", 1);
#ifndef DEBUG_STDIN
expect (string, 1);
@ -1790,7 +1655,7 @@ send_command (string)
char *string;
{
send (string);
write (es1800_desc, "\r", 1);
SERIAL_WRITE (es1800_desc, "\r", 1);
#ifndef DEBUG_STDIN
expect (string, 0);
@ -1810,7 +1675,7 @@ send (string)
{
fprintf (stderr, "Sending: %s\n", string);
}
write (es1800_desc, string, strlen (string));
SERIAL_WRITE (es1800_desc, string, strlen (string));
}
@ -1911,6 +1776,11 @@ FILE *instream;
/* Additional commands */
#if defined (TIOCGETP) && defined (FNDELAY) && defined (EWOULDBLOCK)
#define PROVIDE_TRANSPARENT
#endif
#ifdef PROVIDE_TRANSPARENT
/* Talk directly to the emulator
FIXME, uses busy wait, and is SUNOS (or at least BSD) specific */
@ -1936,7 +1806,7 @@ es1800_transparent (args, from_tty)
int i;
dont_repeat ();
if (es1800_desc < 0)
if (es1800_desc == NULL)
{
printf ("No emulator attached, type emulator-command first\n");
return;
@ -1980,7 +1850,7 @@ es1800_transparent (args, from_tty)
perror_with_name ("ioctl console");
}
if ((fcflag = fcntl (es1800_desc, F_GETFL, 0)) == -1)
if ((fcflag = fcntl (es1800_desc->fd, F_GETFL, 0)) == -1)
{
perror_with_name ("fcntl serial");
}
@ -1988,7 +1858,7 @@ es1800_transparent (args, from_tty)
es1800_fc_save = fcflag;
fcflag = fcflag | FNDELAY;
if (fcntl (es1800_desc, F_SETFL, fcflag) == -1)
if (fcntl (es1800_desc->fd, F_SETFL, fcflag) == -1)
{
perror_with_name ("fcntl serial");
}
@ -2006,9 +1876,9 @@ es1800_transparent (args, from_tty)
{
es1800_buf[es1800_cnt++] = inputbuf[i++];
}
if ((cc = write (es1800_desc, es1800_buf, es1800_cnt)) == -1)
if ((cc = SERIAL_WRITE (es1800_desc, es1800_buf, es1800_cnt)) == -1)
{
perror_with_name ("FEL! read:");
perror_with_name ("FEL! write:");
}
es1800_cnt -= cc;
if (es1800_cnt && cc)
@ -2024,7 +1894,7 @@ es1800_transparent (args, from_tty)
perror_with_name ("FEL! read:");
}
cc = read (es1800_desc,inputbuf,inputcnt);
cc = read (es1800_desc->fd,inputbuf,inputcnt);
if (cc != -1)
{
for (i = 0; i < cc; )
@ -2063,7 +1933,7 @@ es1800_transparent (args, from_tty)
close (console);
if (fcntl (es1800_desc, F_SETFL, es1800_fc_save) == -1)
if (fcntl (es1800_desc->fd, F_SETFL, es1800_fc_save) == -1)
{
perror_with_name ("FEL! fcntl");
}
@ -2071,6 +1941,7 @@ es1800_transparent (args, from_tty)
printf ("\n");
}
#endif /* PROVIDE_TRANSPARENT */
static void
es1800_init_break (args, from_tty)
@ -2259,17 +2130,16 @@ Specify the serial device it is connected to (e.g. /dev/ttya).",
NULL, /* to_sections_end */
OPS_MAGIC /* to_magic (always last) */
};
#endif /* 0 */
void
_initialize_es1800 ()
{
#if 0
add_target (&es1800_ops);
add_target (&es1800_child_ops);
#ifdef PROVIDE_TRANSPARENT
add_com ("transparent", class_support, es1800_transparent,
"Start transparent communication with the ES 1800 emulator.");
#endif /* PROVIDE_TRANSPARENT */
add_com ("init_break", class_support, es1800_init_break,
"Download break routine and initialize break facility on ES 1800");
#endif
}

4
gdb/serial.h
View File

@ -105,7 +105,9 @@ serial_t serial_fdopen PARAMS ((const int fd));
#define SERIAL_GET_TTY_STATE(SERIAL_T) (SERIAL_T)->ops->get_tty_state((SERIAL_T))
/* Set the state of the tty to TTYSTATE. The change is immediate.
When changing to or from raw mode, input might be discarded. */
When changing to or from raw mode, input might be discarded.
Returns 0 for success, negative value for error (in which case errno
contains the error). */
#define SERIAL_SET_TTY_STATE(SERIAL_T, TTYSTATE) (SERIAL_T)->ops->set_tty_state((SERIAL_T), (TTYSTATE))
/* printf_filtered a user-comprehensible description of ttystate. */