/* Tracing functionality for remote targets in custom GDB protocol
- Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free
- Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007 Free Software Foundation, Inc.
This file is part of GDB.
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "symtab.h"
extern void (*deprecated_readline_begin_hook) (char *, ...);
extern char *(*deprecated_readline_hook) (char *);
extern void (*deprecated_readline_end_hook) (void);
-extern void x_command (char *, int);
extern int addressprint; /* Print machine addresses? */
/* GDB commands implemented in other modules:
/* Utility: wait for reply from stub, while accepting "O" packets. */
static char *
-remote_get_noisy_reply (char *buf,
- long sizeof_buf)
+remote_get_noisy_reply (char **buf_p,
+ long *sizeof_buf)
{
do /* Loop on reply from remote stub. */
{
+ char *buf;
QUIT; /* allow user to bail out with ^C */
- getpkt (buf, sizeof_buf, 0);
+ getpkt (buf_p, sizeof_buf, 0);
+ buf = *buf_p;
if (buf[0] == 0)
error (_("Target does not support this command."));
else if (buf[0] == 'E')
collect->next_aexpr_elt++;
}
-static char target_buf[2048];
+static char *target_buf;
+static long target_buf_size;
/* Set "transparent" memory ranges
if (anysecs)
{
putpkt (target_buf);
- getpkt (target_buf, sizeof (target_buf), 0);
+ getpkt (&target_buf, &target_buf_size, 0);
}
}
if (target_is_remote ())
{
putpkt ("QTinit");
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Target does not support this command."));
if (t->actions)
strcat (buf, "-");
putpkt (buf);
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Target does not support tracepoints."));
((tdp_actions[ndx + 1] || stepping_actions)
? '-' : 0));
putpkt (buf);
- remote_get_noisy_reply (target_buf,
- sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf,
+ &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Error on target while setting tracepoints."));
}
stepping_actions[ndx],
(stepping_actions[ndx + 1] ? "-" : ""));
putpkt (buf);
- remote_get_noisy_reply (target_buf,
- sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf,
+ &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Error on target while setting tracepoints."));
}
remote_set_transparent_ranges ();
/* Now insert traps and begin collecting data. */
putpkt ("QTStart");
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Bogus reply from target: %s"), target_buf);
set_traceframe_num (-1); /* All old traceframes invalidated. */
if (target_is_remote ())
{
putpkt ("QTStop");
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Bogus reply from target: %s"), target_buf);
trace_running_p = 0;
if (target_is_remote ())
{
putpkt ("qTStatus");
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (target_buf[0] != 'T' ||
(target_buf[1] != '0' && target_buf[1] != '1'))
/* Worker function for the various flavors of the tfind command. */
static void
-finish_tfind_command (char *msg,
- long sizeof_msg,
+finish_tfind_command (char **msg,
+ long *sizeof_msg,
int from_tty)
{
int target_frameno = -1, target_tracept = -1;
old_frame_addr = get_frame_base (get_current_frame ());
old_func = find_pc_function (read_pc ());
- putpkt (msg);
+ putpkt (*msg);
reply = remote_get_noisy_reply (msg, sizeof_msg);
while (reply && *reply)
error (_("invalid input (%d is less than zero)"), frameno);
sprintf (target_buf, "QTFrame:%x", frameno);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
sprintf_vma (tmp, pc);
sprintf (target_buf, "QTFrame:pc:%s", tmp);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
tdp = parse_and_eval_long (args);
sprintf (target_buf, "QTFrame:tdp:%x", tdp);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
else
sprintf (target_buf, "QTFrame:outside:%s:%s",
startpc_str, endpc_str);
- finish_tfind_command (target_buf, sizeof (target_buf),
+ finish_tfind_command (&target_buf, &target_buf_size,
from_tty);
do_cleanups (old_chain);
}
sprintf_vma (start_str, start);
sprintf_vma (stop_str, stop);
sprintf (target_buf, "QTFrame:range:%s:%s", start_str, stop_str);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
sprintf_vma (start_str, start);
sprintf_vma (stop_str, stop);
sprintf (target_buf, "QTFrame:outside:%s:%s", start_str, stop_str);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
char tmp[40];
if (args == 0 || *args == 0)
- error (_("Argument required (file name in which to save tracepoints"));
+ error (_("Argument required (file name in which to save tracepoints)"));
if (tracepoint_chain == 0)
{
traceframe_number = -1;
tracepoint_number = -1;
- set_internalvar (lookup_internalvar ("tpnum"),
- value_from_longest (builtin_type_int, (LONGEST) 0));
- set_internalvar (lookup_internalvar ("trace_frame"),
- value_from_longest (builtin_type_int, (LONGEST) - 1));
-
if (tracepoint_list.list == NULL)
{
tracepoint_list.listsize = 128;
add_com_alias ("tr", "trace", class_alias, 1);
add_com_alias ("tra", "trace", class_alias, 1);
add_com_alias ("trac", "trace", class_alias, 1);
+
+ target_buf_size = 2048;
+ target_buf = xmalloc (target_buf_size);
}