Introduce procedure use_gdb_stub

[deliverable/binutils-gdb.git] / gdb / ser-go32.c

diff --git a/gdb/ser-go32.c b/gdb/ser-go32.c
index 4268e2c150a859466f1f0b05dbef2e99e63c961f..10c79bacc05f5750b9854e14b97c00b4a5ac2c2d 100644 (file)
--- a/gdb/ser-go32.c
+++ b/gdb/ser-go32.c
@@ -1,5 +1,5 @@
 /* Remote serial interface for local (hardwired) serial ports for GO32.
-   Copyright (C) 1992-2013 Free Software Foundation, Inc.
+   Copyright (C) 1992-2016 Free Software Foundation, Inc.
 
    Contributed by Nigel Stephens, Algorithmics Ltd. (nigel@algor.co.uk).
 
@@ -24,9 +24,6 @@
 #include "defs.h"
 #include "gdbcmd.h"
 #include "serial.h"
-#include <string.h>
-
-
 /*
  * NS16550 UART registers
  */
@@ -619,6 +616,8 @@ dos_readchar (struct serial *scb, int timeout)
   then = rawclock () + (timeout * RAWHZ);
   while ((c = dos_getc (port)) < 0)
     {
+      QUIT;
+
       if (timeout >= 0 && (rawclock () - then) >= 0)
        return SERIAL_TIMEOUT;
     }
@@ -646,7 +645,7 @@ dos_get_tty_state (struct serial *scb)
        return NULL;
     }
 
-  state = (struct dos_ttystate *) xmalloc (sizeof *state);
+  state = XNEW (struct dos_ttystate);
   *state = *port;
   return (serial_ttystate) state;
 }
@@ -656,7 +655,7 @@ dos_copy_tty_state (struct serial *scb, serial_ttystate ttystate)
 {
   struct dos_ttystate *state;
 
-  state = (struct dos_ttystate *) xmalloc (sizeof *state);
+  state = XNEW (struct dos_ttystate);
   *state = *(struct dos_ttystate *) ttystate;
 
   return (serial_ttystate) state;
@@ -797,6 +796,8 @@ dos_write (struct serial *scb, const void *buf, size_t count)
 
   while (count > 0)
     {
+      QUIT;
+
       /* Send the data, fifosize bytes at a time.  */
       cnt = fifosize > count ? count : fifosize;
       port->txbusy = 1;
@@ -848,10 +849,9 @@ dos_sendbreak (struct serial *scb)
 }
 
 
-static struct serial_ops dos_ops =
+static const struct serial_ops dos_ops =
 {
   "hardwire",
-  0,
   dos_open,
   dos_close,
   NULL,                                /* fdopen, not implemented */
@@ -868,6 +868,7 @@ static struct serial_ops dos_ops =
   dos_noflush_set_tty_state,
   dos_setbaudrate,
   dos_setstopbits,
+  dos_noop,
   dos_noop,                    /* Wait for output to drain.  */
   (void (*)(struct serial *, int))NULL /* Change into async mode.  */
 };