* a68v-xdep.c (store_inferior_registers): declare as void.
* infptrace.c: HP/Apollos have ptrace.h in the wrong place. * remote-st2000.c: Massive changes to use new serial package. Also added 'connect' command to transparantly connect to serial port. * ser-termios.c: Big cleanup, use nicer coding conventions. * ser-bsd.c: New module, serial stuff for BSD systems. * serial.h: Define struct ttystate properly using HAVE_TERMIO. * xm-apollo68b.h: #define PTRACE_IN_WRONG_PLACE...
This commit is contained in:
parent
1e4f3c200a
commit
a0f9783ea7
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@ -141,6 +141,7 @@ fetch_inferior_registers ()
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}
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/* ARGSUSED */
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void
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store_inferior_registers (regno)
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int regno;
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{
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@ -31,8 +31,12 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <signal.h>
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#include <sys/ioctl.h>
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#ifndef USG
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#ifdef PTRACE_IN_WRONG_PLACE
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#include <ptrace.h>
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#else
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#include <sys/ptrace.h>
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#endif
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#endif
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#if !defined (PT_KILL)
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#define PT_KILL 8
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@ -395,8 +399,7 @@ child_xfer_memory (memaddr, myaddr, len, write, target)
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/* Copy data to be written over corresponding part of buffer */
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(void) memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr,
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len);
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memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
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/* Write the entire buffer. */
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@ -431,8 +434,7 @@ child_xfer_memory (memaddr, myaddr, len, write, target)
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}
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/* Copy appropriate bytes out of the buffer. */
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(void) memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)),
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len);
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memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
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}
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return len;
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}
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@ -36,12 +36,13 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "defs.h"
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#include "gdbcore.h"
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#include "terminal.h"
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#include "target.h"
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#include "wait.h"
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#include <varargs.h>
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#include <signal.h>
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#include <string.h>
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#include <sys/types.h>
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#include "serial.h"
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extern struct target_ops st2000_ops; /* Forward declaration */
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@ -61,10 +62,6 @@ static int timeout = 24;
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starts. */
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int st2000_desc = -1;
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/* stream which is fdopen'd from st2000_desc. Only valid when
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st2000_desc != -1. */
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FILE *st2000_stream;
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/* Send data to stdebug. Works just like printf. */
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static void
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@ -73,60 +70,62 @@ printf_stdebug(va_alist)
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{
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va_list args;
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char *pattern;
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char buf[200];
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va_start(args);
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pattern = va_arg(args, char *);
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vfprintf(st2000_stream, pattern, args);
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fflush(st2000_stream);
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vsprintf(buf, pattern, args);
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if (!serial_write(buf, strlen(buf)))
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fprintf(stderr, "serial_write failed: %s\n", safe_strerror(errno));
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}
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/* Read a character from the remote system, doing all the fancy
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timeout stuff. */
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static int
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readchar ()
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readchar(timeout)
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int timeout;
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{
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char buf;
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int c;
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buf = '\0';
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#ifdef HAVE_TERMIO
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/* termio does the timeout for us. */
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read (st2000_desc, &buf, 1);
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#else
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alarm (timeout);
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if (read (st2000_desc, &buf, 1) < 0)
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c = serial_readchar(timeout);
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#ifdef LOG_FILE
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putc(c & 0x7f, log_file);
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#endif
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if (c >= 0)
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return c & 0x7f;
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if (c == -2)
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{
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if (errno == EINTR)
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error ("Timeout reading from remote system.");
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else
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perror_with_name ("remote");
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}
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alarm (0);
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#endif
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if (timeout == 0)
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return c; /* Polls shouldn't generate timeout errors */
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if (buf == '\0')
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error ("Timeout reading from remote system.");
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#if defined (LOG_FILE)
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putc (buf & 0x7f, log_file);
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#endif
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return buf & 0x7f;
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error("Timeout reading from remote system.");
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}
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perror_with_name("remote-st2000");
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}
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/* Keep discarding input from the remote system, until STRING is found.
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/* Scan input from the remote system, until STRING is found. If DISCARD is
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non-zero, then discard non-matching input, else print it out.
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Let the user break out immediately. */
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static void
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expect (string)
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expect(string, discard)
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char *string;
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int discard;
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{
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char *p = string;
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int c;
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immediate_quit = 1;
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while (1)
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{
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if (readchar() == *p)
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c = readchar(timeout);
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if (c == *p++)
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{
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p++;
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if (*p == '\0')
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{
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immediate_quit = 0;
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}
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}
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else
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{
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if (!discard)
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{
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fwrite(string, 1, (p - 1) - string, stdout);
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putchar((char)c);
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fflush(stdout);
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}
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p = string;
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}
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}
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}
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/* Keep discarding input until we see the STDEBUG prompt.
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necessary to prevent getting into states from which we can't
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recover. */
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static void
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expect_prompt ()
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expect_prompt(discard)
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int discard;
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{
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#if defined (LOG_FILE)
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/* This is a convenient place to do this. The idea is to do it often
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enough that we never lose much data if we terminate abnormally. */
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fflush (log_file);
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fflush(log_file);
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#endif
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expect ("dbug> ");
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expect ("dbug> ", discard);
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}
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/* Get a hex digit from the remote system & return its value.
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If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */
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static int
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get_hex_digit (ignore_space)
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get_hex_digit(ignore_space)
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int ignore_space;
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{
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int ch;
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while (1)
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{
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ch = readchar ();
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ch = readchar(timeout);
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if (ch >= '0' && ch <= '9')
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return ch - '0';
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else if (ch >= 'A' && ch <= 'F')
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;
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else
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{
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expect_prompt ();
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error ("Invalid hex digit from remote system.");
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expect_prompt(1);
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error("Invalid hex digit from remote system.");
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}
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}
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}
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/* Get a byte from st2000_desc and put it in *BYT. Accept any number
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/* Get a byte from stdebug and put it in *BYT. Accept any number
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leading spaces. */
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static void
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get_hex_byte (byt)
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@ -223,21 +231,6 @@ get_hex_regs (n, regno)
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}
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}
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/* Called when SIGALRM signal sent due to alarm() timeout. */
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#ifndef HAVE_TERMIO
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#ifndef __STDC__
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#define volatile /**/
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#endif
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volatile int n_alarms;
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static void
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st2000_timer ()
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{
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n_alarms++;
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}
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#endif
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/* This is called not only when we first attach, but also when the
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user types "run" after having attached. */
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static void
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int entry_pt;
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if (args && *args)
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error ("Can't pass arguments to remote STDEBUG process");
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error("Can't pass arguments to remote STDEBUG process");
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if (execfile == 0 || exec_bfd == 0)
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error ("No exec file specified");
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error("No exec file specified");
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entry_pt = (int) bfd_get_start_address (exec_bfd);
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proceed ((CORE_ADDR)entry_pt, -1, 0); /* Let 'er rip... */
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}
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/* Translate baud rates from integers to damn B_codes. Unix should
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have outgrown this crap years ago, but even POSIX wouldn't buck it. */
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#ifndef B19200
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#define B19200 EXTA
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#endif
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#ifndef B38400
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#define B38400 EXTB
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#endif
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static struct {int rate, damn_b;} baudtab[] = {
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{0, B0},
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{50, B50},
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{75, B75},
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{110, B110},
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{134, B134},
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{150, B150},
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{200, B200},
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{300, B300},
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{600, B600},
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{1200, B1200},
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{1800, B1800},
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{2400, B2400},
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{4800, B4800},
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{9600, B9600},
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{19200, B19200},
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{38400, B38400},
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{-1, -1},
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};
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static int
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damn_b (rate)
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int rate;
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{
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int i;
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for (i = 0; baudtab[i].rate != -1; i++)
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if (rate == baudtab[i].rate) return baudtab[i].damn_b;
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return B38400; /* Random */
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}
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/* Open a connection to a remote debugger.
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NAME is the filename used for communication. */
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static int baudrate = 9600;
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static char *dev_name;
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static TERMINAL old_sg;
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static char dev_name[100];
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static void
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st2000_open (name, from_tty)
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char *name;
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st2000_open(args, from_tty)
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char *args;
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int from_tty;
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{
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TERMINAL sg;
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int n;
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char junk[100];
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char *p;
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target_preopen(from_tty);
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target_preopen (from_tty);
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n = sscanf(args, " %s %d %s", dev_name, &baudrate, junk);
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if (!name)
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goto erroid;
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if (n != 2)
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error("Bad arguments. Usage: target st2000 <device> <speed>\n\
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or target st2000 <host> <port>\n");
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/* Find the first whitespace character, it separates dev_name from
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the baud rate. */
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st2000_close(0);
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for (p = name; *p && !isspace (*p); p++)
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;
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if (*p == '\0')
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erroid:
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error ("\
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Please include the name of the device for the serial port, and the baud rate.");
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st2000_desc = serial_open(dev_name);
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dev_name = alloca (p - name + 1);
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strncpy (dev_name, name, p - name);
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dev_name[p - name] = '\0';
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serial_setbaudrate(baudrate);
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/* Skip over the whitespace after dev_name */
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for (; isspace (*p); p++)
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/*EMPTY*/;
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if (1 != sscanf (p, "%d ", &baudrate))
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goto erroid;
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st2000_close (0);
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st2000_desc = open (dev_name, O_RDWR);
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if (st2000_desc < 0)
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perror_with_name (dev_name);
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ioctl (st2000_desc, TIOCGETP, &sg);
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old_sg = sg;
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#ifdef HAVE_TERMIO
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sg.c_cc[VMIN] = 0; /* read with timeout. */
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sg.c_cc[VTIME] = timeout * 10;
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sg.c_lflag &= ~(ICANON | ECHO);
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sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate);
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#else
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sg.sg_ispeed = damn_b (baudrate);
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sg.sg_ospeed = damn_b (baudrate);
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sg.sg_flags |= RAW | ANYP;
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sg.sg_flags &= ~ECHO;
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#endif
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ioctl (st2000_desc, TIOCSETP, &sg);
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st2000_stream = fdopen (st2000_desc, "r+");
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push_target (&st2000_ops);
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#ifndef HAVE_TERMIO
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#ifndef NO_SIGINTERRUPT
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/* Cause SIGALRM's to make reads fail with EINTR instead of resuming
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the read. */
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if (siginterrupt (SIGALRM, 1) != 0)
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perror ("st2000_open: error in siginterrupt");
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#endif
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/* Set up read timeout timer. */
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if ((void (*)) signal (SIGALRM, st2000_timer) == (void (*)) -1)
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perror ("st2000_open: error in signal");
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#endif
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push_target(&st2000_ops);
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#if defined (LOG_FILE)
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log_file = fopen (LOG_FILE, "w");
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|
@ -409,12 +309,12 @@ Please include the name of the device for the serial port, and the baud rate.");
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#endif
|
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/* Hello? Are you there? */
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printf_stdebug ("\r");
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printf_stdebug("\003"); /* ^C wakes up dbug */
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expect_prompt ();
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expect_prompt(1);
|
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if (from_tty)
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printf ("Remote %s connected to %s\n", target_shortname,
|
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printf("Remote %s connected to %s\n", target_shortname,
|
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dev_name);
|
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}
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|
@ -424,27 +324,14 @@ static void
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st2000_close (quitting)
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int quitting;
|
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{
|
||||
|
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/* Reset the terminal to its original settings. */
|
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ioctl (st2000_desc, TIOCSETP, &old_sg);
|
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|
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/* Due to a bug in Unix, fclose closes not only the stdio stream,
|
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but also the file descriptor. So we don't actually close
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st2000_desc. */
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if (st2000_stream)
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fclose (st2000_stream); /* This also closes st2000_desc */
|
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/* Do not try to close st2000_desc again, later in the program. */
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st2000_stream = NULL;
|
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st2000_desc = -1;
|
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serial_close();
|
||||
|
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#if defined (LOG_FILE)
|
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if (log_file) {
|
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if (ferror (log_file))
|
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printf ("Error writing log file.\n");
|
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if (fclose (log_file) != 0)
|
||||
printf ("Error closing log file.\n");
|
||||
if (ferror(log_file))
|
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fprintf(stderr, "Error writing log file.\n");
|
||||
if (fclose(log_file) != 0)
|
||||
fprintf(stderr, "Error closing log file.\n");
|
||||
}
|
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#endif
|
||||
}
|
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|
@ -471,13 +358,13 @@ st2000_resume (step, sig)
|
|||
{
|
||||
printf_stdebug ("ST\r");
|
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/* Wait for the echo. */
|
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expect ("ST\r");
|
||||
expect ("ST\r", 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
printf_stdebug ("GO\r");
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/* Swallow the echo. */
|
||||
expect ("GO\r");
|
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expect ("GO\r", 1);
|
||||
}
|
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}
|
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|
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|
@ -488,56 +375,16 @@ static int
|
|||
st2000_wait (status)
|
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WAITTYPE *status;
|
||||
{
|
||||
/* FIXME --- USE A REAL STRING MATCHING ALGORITHM HERE!!! */
|
||||
|
||||
static char bpt[] = "dbug> ";
|
||||
char *bp = bpt;
|
||||
|
||||
/* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */
|
||||
char swallowed[50];
|
||||
/* Current position in swallowed. */
|
||||
char *swallowed_p = swallowed;
|
||||
|
||||
int ch;
|
||||
int ch_handled;
|
||||
|
||||
int old_timeout = timeout;
|
||||
|
||||
WSETEXIT ((*status), 0);
|
||||
|
||||
timeout = 0; /* Don't time out -- user program is running. */
|
||||
while (1)
|
||||
{
|
||||
ch_handled = 0;
|
||||
ch = readchar ();
|
||||
if (ch == *bp)
|
||||
{
|
||||
bp++;
|
||||
if (*bp == '\0')
|
||||
break;
|
||||
ch_handled = 1;
|
||||
|
||||
*swallowed_p++ = ch;
|
||||
}
|
||||
else
|
||||
bp = bpt;
|
||||
expect_prompt(0); /* Wait for prompt, outputting extraneous text */
|
||||
|
||||
if (!ch_handled)
|
||||
{
|
||||
char *p;
|
||||
|
||||
/* Print out any characters which have been swallowed. */
|
||||
for (p = swallowed; p < swallowed_p; ++p)
|
||||
putc (*p, stdout);
|
||||
swallowed_p = swallowed;
|
||||
|
||||
putc (ch, stdout);
|
||||
}
|
||||
}
|
||||
if (*bp == '\000')
|
||||
WSETSTOP ((*status), SIGTRAP);
|
||||
else
|
||||
WSETEXIT ((*status), 0);
|
||||
|
||||
timeout = old_timeout;
|
||||
|
||||
return 0;
|
||||
|
@ -589,10 +436,10 @@ st2000_fetch_register (regno)
|
|||
{
|
||||
char *name = get_reg_name (regno);
|
||||
printf_stdebug ("DR %s\r", name);
|
||||
expect (name);
|
||||
expect (" : ");
|
||||
expect (name, 1);
|
||||
expect (" : ", 1);
|
||||
get_hex_regs (1, regno);
|
||||
expect_prompt ();
|
||||
expect_prompt (1);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
@ -623,7 +470,7 @@ st2000_store_register (regno)
|
|||
printf_stdebug ("PR %s %x\r", get_reg_name (regno),
|
||||
read_register (regno));
|
||||
|
||||
expect_prompt ();
|
||||
expect_prompt (1);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -659,7 +506,7 @@ st2000_write_inferior_memory (memaddr, myaddr, len)
|
|||
for (i = 0; i < len; i++)
|
||||
{
|
||||
printf_stdebug ("PM.B %x %x\r", memaddr + i, myaddr[i]);
|
||||
expect_prompt ();
|
||||
expect_prompt (1);
|
||||
}
|
||||
return len;
|
||||
}
|
||||
|
@ -708,12 +555,12 @@ st2000_read_inferior_memory(memaddr, myaddr, len)
|
|||
len_this_pass = (len - count);
|
||||
|
||||
printf_stdebug ("DI.L %x %x\r", startaddr, len_this_pass);
|
||||
expect (": ");
|
||||
expect (": ", 1);
|
||||
|
||||
for (i = 0; i < len_this_pass; i++)
|
||||
get_hex_byte (&myaddr[count++]);
|
||||
|
||||
expect_prompt ();
|
||||
expect_prompt (1);
|
||||
|
||||
startaddr += len_this_pass;
|
||||
}
|
||||
|
@ -775,7 +622,7 @@ st2000_insert_breakpoint (addr, shadow)
|
|||
|
||||
st2000_read_inferior_memory(addr, shadow, memory_breakpoint_size);
|
||||
printf_stdebug("BR %x H\r", addr);
|
||||
expect_prompt();
|
||||
expect_prompt(1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -796,7 +643,7 @@ st2000_remove_breakpoint (addr, shadow)
|
|||
breakaddr[i] = 0;
|
||||
|
||||
printf_stdebug("CB %d\r", i);
|
||||
expect_prompt();
|
||||
expect_prompt(1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -804,29 +651,160 @@ st2000_remove_breakpoint (addr, shadow)
|
|||
return 1;
|
||||
}
|
||||
|
||||
|
||||
/* Put a command string, in args, out to STDBUG. Output from STDBUG is placed
|
||||
on the users terminal until the prompt is seen. */
|
||||
|
||||
static void
|
||||
st2000_command (args, fromtty)
|
||||
char *args;
|
||||
int fromtty;
|
||||
{
|
||||
if (st2000_desc < 0)
|
||||
error("st2000 target not open.");
|
||||
|
||||
if (!args)
|
||||
error("Missing command.");
|
||||
|
||||
printf_stdebug("%s\r", args);
|
||||
expect_prompt(0);
|
||||
}
|
||||
|
||||
/* Connect the user directly to STDBUG. This command acts just like the
|
||||
'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */
|
||||
|
||||
static struct ttystate ttystate;
|
||||
|
||||
static void
|
||||
cleanup_tty()
|
||||
{
|
||||
printf("\r\n[Exiting connect mode]\r\n");
|
||||
serial_restore(0, &ttystate);
|
||||
}
|
||||
|
||||
static void
|
||||
connect_command (args, fromtty)
|
||||
char *args;
|
||||
int fromtty;
|
||||
{
|
||||
fd_set readfds;
|
||||
int numfds;
|
||||
int c;
|
||||
char cur_esc = 0;
|
||||
|
||||
dont_repeat();
|
||||
|
||||
if (st2000_desc < 0)
|
||||
error("st2000 target not open.");
|
||||
|
||||
if (args)
|
||||
fprintf("This command takes no args. They have been ignored.\n");
|
||||
|
||||
printf("[Entering connect mode. Use ~. or ~^D to escape]\n");
|
||||
|
||||
serial_raw(0, &ttystate);
|
||||
|
||||
make_cleanup(cleanup_tty, 0);
|
||||
|
||||
FD_ZERO(&readfds);
|
||||
|
||||
while (1)
|
||||
{
|
||||
do
|
||||
{
|
||||
FD_SET(0, &readfds);
|
||||
FD_SET(st2000_desc, &readfds);
|
||||
numfds = select(sizeof(readfds)*8, &readfds, 0, 0, 0);
|
||||
}
|
||||
while (numfds == 0);
|
||||
|
||||
if (numfds < 0)
|
||||
perror_with_name("select");
|
||||
|
||||
if (FD_ISSET(0, &readfds))
|
||||
{ /* tty input, send to stdebug */
|
||||
c = getchar();
|
||||
if (c < 0)
|
||||
perror_with_name("connect");
|
||||
|
||||
printf_stdebug("%c", c);
|
||||
switch (cur_esc)
|
||||
{
|
||||
case 0:
|
||||
if (c == '\r')
|
||||
cur_esc = c;
|
||||
break;
|
||||
case '\r':
|
||||
if (c == '~')
|
||||
cur_esc = c;
|
||||
else
|
||||
cur_esc = 0;
|
||||
break;
|
||||
case '~':
|
||||
if (c == '.' || c == '\004')
|
||||
return;
|
||||
else
|
||||
cur_esc = 0;
|
||||
}
|
||||
}
|
||||
|
||||
if (FD_ISSET(st2000_desc, &readfds))
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
c = readchar(0);
|
||||
if (c < 0)
|
||||
break;
|
||||
putchar(c);
|
||||
}
|
||||
fflush(stdout);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Define the target subroutine names */
|
||||
|
||||
static struct target_ops st2000_ops = {
|
||||
"st2000", "Remote serial Tandem ST2000 target",
|
||||
struct target_ops st2000_ops = {
|
||||
"st2000",
|
||||
"Remote serial Tandem ST2000 target",
|
||||
"Use a remote computer running STDEBUG connected by a serial line,\n\
|
||||
or a network connection.\n\
|
||||
Arguments are the name of the device for the serial line,\n\
|
||||
the speed to connect at in bits per second.",
|
||||
st2000_open, st2000_close,
|
||||
0, st2000_detach, st2000_resume, st2000_wait,
|
||||
st2000_fetch_register, st2000_store_register,
|
||||
st2000_prepare_to_store, 0, 0, /* conv_to, conv_from */
|
||||
st2000_xfer_inferior_memory, st2000_files_info,
|
||||
st2000_insert_breakpoint, st2000_remove_breakpoint, /* Breakpoints */
|
||||
0, 0, 0, 0, 0, /* Terminal handling */
|
||||
st2000_open,
|
||||
st2000_close,
|
||||
0,
|
||||
st2000_detach,
|
||||
st2000_resume,
|
||||
st2000_wait,
|
||||
st2000_fetch_register,
|
||||
st2000_store_register,
|
||||
st2000_prepare_to_store,
|
||||
0,
|
||||
0, /* conv_to, conv_from */
|
||||
st2000_xfer_inferior_memory,
|
||||
st2000_files_info,
|
||||
st2000_insert_breakpoint,
|
||||
st2000_remove_breakpoint, /* Breakpoints */
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
0, /* Terminal handling */
|
||||
st2000_kill,
|
||||
0, /* load */
|
||||
0, /* lookup_symbol */
|
||||
st2000_create_inferior,
|
||||
st2000_mourn_inferior,
|
||||
process_stratum, 0, /* next */
|
||||
1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
|
||||
0, 0, /* Section pointers */
|
||||
process_stratum,
|
||||
0, /* next */
|
||||
1,
|
||||
1,
|
||||
1,
|
||||
1,
|
||||
1, /* all mem, mem, stack, regs, exec */
|
||||
0,
|
||||
0, /* Section pointers */
|
||||
OPS_MAGIC, /* Always the last thing */
|
||||
};
|
||||
|
||||
|
@ -834,4 +812,9 @@ void
|
|||
_initialize_remote_st2000 ()
|
||||
{
|
||||
add_target (&st2000_ops);
|
||||
add_com ("st2000 <command>", class_obscure, st2000_command,
|
||||
"Send a command to the STDBUG monitor.");
|
||||
add_com ("connect", class_obscure, connect_command,
|
||||
"Connect the terminal directly up to the STDBUG command monitor.\n\
|
||||
Use <CR>~. or <CR>~^D to break out.");
|
||||
}
|
||||
|
|
|
@ -0,0 +1,228 @@
|
|||
/* Remote serial interface for OS's with sgttyb
|
||||
Copyright 1992 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GDB.
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
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. */
|
||||
|
||||
#include "defs.h"
|
||||
#include <sys/types.h>
|
||||
#include <sys/time.h>
|
||||
#include <fcntl.h>
|
||||
#include "serial.h"
|
||||
|
||||
static int desc = -1;
|
||||
|
||||
void
|
||||
serial_raw(fd, oldstate)
|
||||
int fd;
|
||||
struct ttystate *oldstate;
|
||||
{
|
||||
struct sgttyb sgttyb;
|
||||
|
||||
oldstate->flags = fcntl(fd, F_GETFL, 0);
|
||||
|
||||
fcntl(fd, F_SETFL, oldstate->flags|FNDELAY);
|
||||
|
||||
if (ioctl(fd, TIOCGETP, &sgttyb))
|
||||
{
|
||||
fprintf(stderr, "TIOCGETP failed: %s\n", safe_strerror(errno));
|
||||
}
|
||||
|
||||
oldstate->sgttyb = sgttyb;
|
||||
|
||||
sgttyb.sg_flags = RAW;
|
||||
|
||||
if (ioctl(fd, TIOCSETP, &sgttyb))
|
||||
{
|
||||
fprintf(stderr, "TIOCSETP failed: %s\n", safe_strerror(errno));
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
serial_restore(fd, oldstate)
|
||||
int fd;
|
||||
struct ttystate *oldstate;
|
||||
{
|
||||
fcntl(fd, F_SETFL, oldstate->flags);
|
||||
|
||||
ioctl(fd, TIOCSETP, &oldstate->sgttyb);
|
||||
}
|
||||
|
||||
static struct ttystate oldstate;
|
||||
|
||||
static fd_set readfds;
|
||||
|
||||
int
|
||||
serial_open(name)
|
||||
char *name;
|
||||
{
|
||||
struct sgttyb sgttyb;
|
||||
|
||||
desc = open (name, O_RDWR);
|
||||
if (desc < 0)
|
||||
error("Open of %s failed: %s", name, safe_strerror(errno));
|
||||
|
||||
serial_raw(desc, &oldstate);
|
||||
|
||||
/* Setup constant stuff for select */
|
||||
|
||||
FD_ZERO(&readfds);
|
||||
|
||||
return desc;
|
||||
}
|
||||
|
||||
/* Read a character with user-specified timeout. TIMEOUT is number of seconds
|
||||
to wait, or -1 to wait forever. Use timeout of 0 to effect a poll. Returns
|
||||
char if successful. Returns -2 if timeout expired, EOF if line dropped
|
||||
dead, or -3 for any other error (see errno in that case). */
|
||||
|
||||
int
|
||||
serial_readchar(timeout)
|
||||
int timeout;
|
||||
{
|
||||
static unsigned char buf[BUFSIZ];
|
||||
static unsigned char *bufp;
|
||||
static int bufcnt = 0;
|
||||
int numfds;
|
||||
struct timeval tv;
|
||||
|
||||
if (bufcnt-- > 0)
|
||||
return *bufp++;
|
||||
|
||||
tv.tv_sec = timeout;
|
||||
tv.tv_usec = 0;
|
||||
|
||||
FD_SET(desc, &readfds);
|
||||
|
||||
if (timeout >= 0)
|
||||
numfds = select(desc+1, &readfds, 0, 0, &tv);
|
||||
else
|
||||
numfds = select(desc+1, &readfds, 0, 0, 0);
|
||||
|
||||
if (numfds <= 0)
|
||||
if (numfds == 0)
|
||||
return -2; /* Timeout */
|
||||
else
|
||||
return -3; /* Got an error from select */
|
||||
|
||||
bufcnt = read(desc, buf, BUFSIZ);
|
||||
|
||||
if (bufcnt <= 0)
|
||||
if (bufcnt == 0)
|
||||
return EOF; /* 0 chars means end of file */
|
||||
else
|
||||
return -3; /* Got an error from read */
|
||||
|
||||
bufcnt--;
|
||||
bufp = buf;
|
||||
return *bufp++;
|
||||
}
|
||||
|
||||
#ifndef B19200
|
||||
#define B19200 EXTA
|
||||
#endif
|
||||
|
||||
#ifndef B38400
|
||||
#define B38400 EXTB
|
||||
#endif
|
||||
|
||||
/* Translate baud rates from integers to damn B_codes. Unix should
|
||||
have outgrown this crap years ago, but even POSIX wouldn't buck it. */
|
||||
|
||||
static struct
|
||||
{
|
||||
int rate;
|
||||
int code;
|
||||
} baudtab[] = {
|
||||
{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},
|
||||
{-1, -1},
|
||||
};
|
||||
|
||||
static int
|
||||
rate_to_code(rate)
|
||||
int rate;
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; baudtab[i].rate != -1; i++)
|
||||
if (rate == baudtab[i].rate)
|
||||
return baudtab[i].code;
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
serial_setbaudrate(rate)
|
||||
int rate;
|
||||
{
|
||||
struct sgttyb sgttyb;
|
||||
|
||||
if (ioctl(desc, TIOCGETP, &sgttyb))
|
||||
error("TIOCGETP failed: %s\n", safe_strerror(errno));
|
||||
|
||||
sgttyb.sg_ospeed = rate_to_code(rate);
|
||||
sgttyb.sg_ispeed = rate_to_code(rate);
|
||||
|
||||
if (ioctl(desc, TIOCSETP, &sgttyb))
|
||||
error("TIOCSETP failed: %s\n", safe_strerror(errno));
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int
|
||||
serial_write(str, len)
|
||||
char *str;
|
||||
int len;
|
||||
{
|
||||
int cc;
|
||||
|
||||
while (len > 0)
|
||||
{
|
||||
cc = write(desc, str, len);
|
||||
|
||||
if (cc < 0)
|
||||
return 0;
|
||||
len -= cc;
|
||||
str += cc;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
void
|
||||
serial_close()
|
||||
{
|
||||
if (desc < 0)
|
||||
return;
|
||||
|
||||
serial_restore(desc, oldstate);
|
||||
|
||||
close(desc);
|
||||
desc = -1;
|
||||
}
|
|
@ -18,60 +18,29 @@ along with this program; if not, write to the Free Software
|
|||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
#include "defs.h"
|
||||
#include "serial.h"
|
||||
#include <fcntl.h>
|
||||
#include <termios.h>
|
||||
#include <sys/time.h>
|
||||
#include "serial.h"
|
||||
|
||||
/* File descriptor used in termios routines to access serial line. */
|
||||
static int desc;
|
||||
|
||||
/* Saved state about the terminal. */
|
||||
static struct termios otermios;
|
||||
static int oflags;
|
||||
|
||||
const char *
|
||||
serial_default_name ()
|
||||
{
|
||||
return "/dev/ttya";
|
||||
}
|
||||
static int desc = -1;
|
||||
|
||||
void
|
||||
serial_raw ()
|
||||
{
|
||||
/* Now happens inside of serial_open */
|
||||
}
|
||||
|
||||
void
|
||||
serial_normal ()
|
||||
{
|
||||
fcntl(desc, oflags, 0);
|
||||
|
||||
if (tcsetattr(desc, TCSANOW, &otermios))
|
||||
{
|
||||
printf("tcgetattr failed: errno=%d\n", errno);
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
serial_open (name)
|
||||
const char *name;
|
||||
serial_raw(fd, oldstate)
|
||||
int fd;
|
||||
struct ttystate *oldstate;
|
||||
{
|
||||
struct termios termios;
|
||||
|
||||
desc = open (name, O_RDWR);
|
||||
if (desc < 0)
|
||||
perror("Open failed: ");
|
||||
oldstate->flags = fcntl(fd, F_GETFL, 0);
|
||||
|
||||
oflags = fcntl(desc, F_GETFL, 0);
|
||||
fcntl(fd, F_SETFL, oldstate->flags|FNDELAY);
|
||||
|
||||
fcntl(desc, F_SETFL, oflags|FNDELAY);
|
||||
|
||||
if (tcgetattr(desc, &termios)) {
|
||||
printf("tcgetattr failed: errno=%d\n", errno);
|
||||
if (tcgetattr(fd, &termios))
|
||||
{
|
||||
fprintf(stderr, "tcgetattr failed: %s\n", safe_strerror(errno));
|
||||
}
|
||||
|
||||
otermios = termios;
|
||||
oldstate->termios = termios;
|
||||
|
||||
termios.c_iflag = 0;
|
||||
termios.c_oflag = 0;
|
||||
|
@ -79,131 +48,176 @@ serial_open (name)
|
|||
termios.c_cc[VMIN] = 0;
|
||||
termios.c_cc[VTIME] = 0;
|
||||
|
||||
if (tcsetattr(desc, TCSANOW, &termios)) {
|
||||
printf("tcgetattr failed: errno=%d\n", errno);
|
||||
if (tcsetattr(fd, TCSANOW, &termios))
|
||||
{
|
||||
fprintf(stderr, "tcsetattr failed: %s\n", safe_strerror(errno));
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int
|
||||
serial_timedreadchar (timeout, ok)
|
||||
int timeout;
|
||||
int *ok;
|
||||
void
|
||||
serial_restore(fd, oldstate)
|
||||
int fd;
|
||||
struct ttystate *oldstate;
|
||||
{
|
||||
unsigned char buf;
|
||||
fd_set readfds;
|
||||
int val;
|
||||
struct timeval tv;
|
||||
fcntl(fd, F_SETFL, oldstate->flags);
|
||||
|
||||
tcsetattr(fd, TCSANOW, &oldstate->termios);
|
||||
}
|
||||
|
||||
static struct ttystate oldstate;
|
||||
|
||||
static fd_set readfds;
|
||||
|
||||
int
|
||||
serial_open(name)
|
||||
char *name;
|
||||
{
|
||||
struct termios termios;
|
||||
|
||||
desc = open (name, O_RDWR);
|
||||
if (desc < 0)
|
||||
error("Open of %s failed: %s", name, safe_strerror(errno));
|
||||
|
||||
serial_raw(desc, &oldstate);
|
||||
|
||||
/* Setup constant stuff for select */
|
||||
|
||||
FD_ZERO(&readfds);
|
||||
FD_SET(desc, &readfds);
|
||||
|
||||
return desc;
|
||||
}
|
||||
|
||||
/* Read a character with user-specified timeout. TIMEOUT is number of seconds
|
||||
to wait, or -1 to wait forever. Use timeout of 0 to effect a poll. Returns
|
||||
char if successful. Returns -2 if timeout expired, EOF if line dropped
|
||||
dead, or -3 for any other error (see errno in that case). */
|
||||
|
||||
int
|
||||
serial_readchar(timeout)
|
||||
int timeout;
|
||||
{
|
||||
static unsigned char buf[BUFSIZ];
|
||||
static unsigned char *bufp;
|
||||
static int bufcnt = 0;
|
||||
int numfds;
|
||||
struct timeval tv;
|
||||
|
||||
if (bufcnt-- > 0)
|
||||
return *bufp++;
|
||||
|
||||
tv.tv_sec = timeout;
|
||||
tv.tv_usec = 0;
|
||||
|
||||
val = select(desc+1, &readfds, 0, 0, &tv);
|
||||
FD_SET(desc, &readfds);
|
||||
|
||||
if (val > 0 && FD_ISSET(desc, &readfds))
|
||||
{
|
||||
val = read (desc, &buf, 1);
|
||||
if (timeout >= 0)
|
||||
numfds = select(desc+1, &readfds, 0, 0, &tv);
|
||||
else
|
||||
numfds = select(desc+1, &readfds, 0, 0, 0);
|
||||
|
||||
if (val == 1)
|
||||
{
|
||||
*ok = 1;
|
||||
return buf;
|
||||
}
|
||||
}
|
||||
if (numfds <= 0)
|
||||
if (numfds == 0)
|
||||
return -2; /* Timeout */
|
||||
else
|
||||
return -3; /* Got an error from select */
|
||||
|
||||
*ok = 0;
|
||||
bufcnt = read(desc, buf, BUFSIZ);
|
||||
|
||||
return 0;
|
||||
if (bufcnt <= 0)
|
||||
if (bufcnt == 0)
|
||||
return EOF; /* 0 chars means end of file */
|
||||
else
|
||||
return -3; /* Got an error from read */
|
||||
|
||||
bufcnt--;
|
||||
bufp = buf;
|
||||
return *bufp++;
|
||||
}
|
||||
|
||||
/* Translate baud rates from integers to damn B_codes. Unix should
|
||||
have outgrown this crap years ago, but even POSIX wouldn't buck it. */
|
||||
|
||||
#ifndef B19200
|
||||
#define B19200 EXTA
|
||||
#endif
|
||||
#ifndef B38400
|
||||
#define B38400 EXTB
|
||||
#endif
|
||||
|
||||
static struct {int rate, damn_b;} baudtab[] = {
|
||||
{9600, B9600},
|
||||
|
||||
{19200, B19200},
|
||||
{38400, B38400},
|
||||
#if 0
|
||||
static struct
|
||||
{
|
||||
int rate;
|
||||
int code;
|
||||
} baudtab[] = {
|
||||
{50, B50},
|
||||
{75, B75},
|
||||
{110, B110},
|
||||
{134, B134},
|
||||
{150, B150},
|
||||
{200, B200},
|
||||
{300, B300},
|
||||
{600, B600},
|
||||
{1200, B1200},
|
||||
{1800, B1800},
|
||||
{2400, B2400},
|
||||
{4800, B4800},
|
||||
#endif
|
||||
{9600, B9600},
|
||||
{19200, B19200},
|
||||
{38400, B38400},
|
||||
{-1, -1},
|
||||
};
|
||||
|
||||
static int
|
||||
damn_b (rate)
|
||||
rate_to_code(rate)
|
||||
int rate;
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; baudtab[i].rate != -1; i++)
|
||||
{
|
||||
if (rate == baudtab[i].rate)
|
||||
{
|
||||
return i;
|
||||
}
|
||||
}
|
||||
return baudtab[i].code;
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
serial_setbaudrate (rate)
|
||||
serial_setbaudrate(rate)
|
||||
int rate;
|
||||
{
|
||||
struct termios termios;
|
||||
|
||||
if (tcgetattr(desc, &termios)) {
|
||||
printf("tcgetattr failed: errno=%d\n", errno);
|
||||
}
|
||||
if (tcgetattr(desc, &termios))
|
||||
error("tcgetattr failed: %s\n", safe_strerror(errno));
|
||||
|
||||
cfsetospeed(&termios, baudtab[damn_b(rate)].damn_b);
|
||||
cfsetispeed(&termios, baudtab[damn_b(rate)].damn_b);
|
||||
cfsetospeed(&termios, rate_to_code(rate));
|
||||
cfsetispeed(&termios, rate_to_code(rate));
|
||||
|
||||
if (tcsetattr(desc, TCSANOW, &termios)) {
|
||||
printf("tcgetattr failed: errno=%d\n", errno);
|
||||
}
|
||||
if (tcsetattr(desc, TCSANOW, &termios))
|
||||
error("tcsetattr failed: %s\n", safe_strerror(errno));
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
int
|
||||
serial_nextbaudrate (rate)
|
||||
int rate;
|
||||
{
|
||||
int lookup;
|
||||
lookup = damn_b(rate);
|
||||
if (lookup == -1)
|
||||
return baudtab[0].rate;
|
||||
lookup++;
|
||||
if (baudtab[lookup].rate == -1)
|
||||
return baudtab[0].rate;
|
||||
return baudtab[lookup].rate;
|
||||
}
|
||||
|
||||
int
|
||||
serial_write (str, len)
|
||||
const char *str;
|
||||
serial_write(str, len)
|
||||
char *str;
|
||||
int len;
|
||||
{
|
||||
return (write (desc, str, len));
|
||||
int cc;
|
||||
|
||||
while (len > 0)
|
||||
{
|
||||
cc = write(desc, str, len);
|
||||
|
||||
if (cc < 0)
|
||||
return 0;
|
||||
len -= cc;
|
||||
str += cc;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
serial_close ()
|
||||
void
|
||||
serial_close()
|
||||
{
|
||||
return (close(desc));
|
||||
if (desc < 0)
|
||||
return;
|
||||
|
||||
serial_restore(desc, oldstate);
|
||||
|
||||
close(desc);
|
||||
desc = -1;
|
||||
}
|
||||
|
|
33
gdb/serial.h
33
gdb/serial.h
|
@ -42,16 +42,37 @@ int serial_timedreadchar PARAMS ((int to, int *ok));
|
|||
/* Set the baudrate to the decimal value supplied, and return 1, or fail and
|
||||
return 0. */
|
||||
|
||||
int serial_setbaudrate PARAMS ((int to));
|
||||
int serial_setbaudrate PARAMS ((int rate));
|
||||
|
||||
/* Return the next rate in the sequence, or return 0 for failure. */
|
||||
|
||||
int serial_nextbaudrate PARAMS ((int rate));
|
||||
/* Write some chars to the device, returns 0 for failure. See errno for
|
||||
details. */
|
||||
|
||||
/* Write some chars to the device, return 1 if ok, 0 if not. */
|
||||
int serial_write PARAMS ((const char *str , int len));
|
||||
|
||||
int serial_write PARAMS ((const char *str, int len));
|
||||
/* Close the serial port */
|
||||
|
||||
/* Close the serial port. */
|
||||
void serial_close PARAMS ((void));
|
||||
|
||||
int serial_close PARAMS ((void));
|
||||
#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 */
|
||||
};
|
||||
|
||||
#else /* not HAVE_TERMIO */
|
||||
|
||||
#include <sgtty.h>
|
||||
|
||||
struct ttystate {
|
||||
int flags; /* Flags from fcntl F_GETFL */
|
||||
struct sgttyb sgttyb; /* old tty driver settings */
|
||||
};
|
||||
|
||||
#endif /* not HAVE_TERMIO */
|
||||
|
|
|
@ -22,3 +22,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|||
#define ALIGN_STACK_ON_STARTUP
|
||||
|
||||
#define FETCH_INFERIOR_REGISTERS
|
||||
|
||||
#define PTRACE_IN_WRONG_PLACE
|
||||
|
||||
extern char *strdup();
|
||||
|
|
Loading…
Reference in New Issue