/* 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:
struct collection_list;
static void add_aexpr (struct collection_list *, struct agent_expr *);
-static unsigned char *mem2hex (unsigned char *, unsigned char *, int);
+static char *mem2hex (gdb_byte *, char *, int);
static void add_register (struct collection_list *collection,
unsigned int regno);
static struct cleanup *make_cleanup_free_actions (struct tracepoint *t);
target_is_remote (void)
{
if (current_target.to_shortname &&
- strcmp (current_target.to_shortname, "remote") == 0)
+ (strcmp (current_target.to_shortname, "remote") == 0
+ || strcmp (current_target.to_shortname, "extended-remote") == 0))
return 1;
else
return 0;
/* 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')
else
line = gdb_readline (0);
+ if (!line)
+ line = "end";
+
linetype = validate_actionline (&line, t);
if (linetype == BADLINE)
continue; /* already warned -- collect another line */
return make_cleanup (do_free_actions_cleanup, t);
}
+enum {
+ memrange_absolute = -1
+};
+
struct memrange
{
- int type; /* 0 for absolute memory range, else basereg number */
+ int type; /* memrange_absolute for absolute memory range,
+ else basereg number */
bfd_signed_vma start;
bfd_signed_vma end;
};
struct collection_list
{
- unsigned char regs_mask[8]; /* room for up to 256 regs */
+ unsigned char regs_mask[32]; /* room for up to 256 regs */
long listsize;
long next_memrange;
struct memrange *list;
return -1;
if (a->type > b->type)
return 1;
- if (a->type == 0)
+ if (a->type == memrange_absolute)
{
if ((bfd_vma) a->start < (bfd_vma) b->start)
return -1;
printf_filtered (",%ld)\n", len);
}
- /* type: 0 == memory, n == basereg */
+ /* type: memrange_absolute == memory, other n == basereg */
memranges->list[memranges->next_memrange].type = type;
/* base: addr if memory, offset if reg relative. */
memranges->list[memranges->next_memrange].start = base;
memranges->listsize);
}
- if (type != -1) /* Better collect the base register! */
+ if (type != memrange_absolute) /* Better collect the base register! */
add_register (memranges, type);
}
DEPRECATED_SYMBOL_NAME (sym), len,
tmp /* address */);
}
- add_memrange (collect, -1, offset, len); /* 0 == memory */
+ add_memrange (collect, memrange_absolute, offset, len);
break;
case LOC_REGISTER:
case LOC_REGPARM:
end = temp_buf;
}
- sprintf (end, "M%X,%s,%lX",
- list->list[i].type,
- tmp2,
- (long) (list->list[i].end - list->list[i].start));
+ {
+ bfd_signed_vma length = list->list[i].end - list->list[i].start;
+
+ /* The "%X" conversion specifier expects an unsigned argument,
+ so passing -1 (memrange_absolute) to it directly gives you
+ "FFFFFFFF" (or more, depending on sizeof (unsigned)).
+ Special-case it. */
+ if (list->list[i].type == memrange_absolute)
+ sprintf (end, "M-1,%s,%lX", tmp2, (long) length);
+ else
+ sprintf (end, "M%X,%s,%lX", list->list[i].type, tmp2, (long) length);
+ }
count += strlen (end);
- end += count;
+ end = temp_buf + count;
}
for (i = 0; i < list->next_aexpr_elt; i++)
tempval = evaluate_expression (exp);
addr = VALUE_ADDRESS (tempval) + value_offset (tempval);
len = TYPE_LENGTH (check_typedef (exp->elts[1].type));
- add_memrange (collect, -1, addr, len);
+ add_memrange (collect, memrange_absolute, addr, len);
break;
case OP_VAR_VALUE:
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)
{
static const char hexchars[] = "0123456789abcdef";
-static unsigned char *
-mem2hex (unsigned char *mem, unsigned char *buf, int count)
+static char *
+mem2hex (gdb_byte *mem, char *buf, int count)
{
- unsigned char ch;
+ gdb_byte ch;
while (count-- > 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_info ("scope", scope_info,
- "List the variables local to a scope");
+ _("List the variables local to a scope"));
add_cmd ("tracepoints", class_trace, NULL,
_("Tracing of program execution without stopping the program."),
&cmdlist);
- add_info ("tracepoints", tracepoints_info,
- "Status of tracepoints, or tracepoint number NUMBER.\n\
+ add_info ("tracepoints", tracepoints_info, _("\
+Status of tracepoints, or tracepoint number NUMBER.\n\
Convenience variable \"$tpnum\" contains the number of the\n\
-last tracepoint set.");
+last tracepoint set."));
add_info_alias ("tp", "tracepoints", 1);
- c = add_com ("save-tracepoints", class_trace, tracepoint_save_command,
- "Save current tracepoint definitions as a script.\n\
-Use the 'source' command in another debug session to restore them.");
+ c = add_com ("save-tracepoints", class_trace, tracepoint_save_command, _("\
+Save current tracepoint definitions as a script.\n\
+Use the 'source' command in another debug session to restore them."));
set_cmd_completer (c, filename_completer);
add_com ("tdump", class_trace, trace_dump_command,
- "Print everything collected at the current tracepoint.");
+ _("Print everything collected at the current tracepoint."));
- add_prefix_cmd ("tfind", class_trace, trace_find_command,
- "Select a trace frame;\n\
-No argument means forward by one frame; '-' means backward by one frame.",
+ add_prefix_cmd ("tfind", class_trace, trace_find_command, _("\
+Select a trace frame;\n\
+No argument means forward by one frame; '-' means backward by one frame."),
&tfindlist, "tfind ", 1, &cmdlist);
add_cmd ("outside", class_trace, trace_find_outside_command, _("\
&tfindlist);
add_com ("tstatus", class_trace, trace_status_command,
- "Display the status of the current trace data collection.");
+ _("Display the status of the current trace data collection."));
add_com ("tstop", class_trace, trace_stop_command,
- "Stop trace data collection.");
+ _("Stop trace data collection."));
add_com ("tstart", class_trace, trace_start_command,
- "Start trace data collection.");
+ _("Start trace data collection."));
- add_com ("passcount", class_trace, trace_pass_command,
- "Set the passcount for a tracepoint.\n\
+ add_com ("passcount", class_trace, trace_pass_command, _("\
+Set the passcount for a tracepoint.\n\
The trace will end when the tracepoint has been passed 'count' times.\n\
Usage: passcount COUNT TPNUM, where TPNUM may also be \"all\";\n\
-if TPNUM is omitted, passcount refers to the last tracepoint defined.");
+if TPNUM is omitted, passcount refers to the last tracepoint defined."));
- add_com ("end", class_trace, end_actions_pseudocommand,
- "Ends a list of commands or actions.\n\
+ add_com ("end", class_trace, end_actions_pseudocommand, _("\
+Ends a list of commands or actions.\n\
Several GDB commands allow you to enter a list of commands or actions.\n\
Entering \"end\" on a line by itself is the normal way to terminate\n\
such a list.\n\n\
-Note: the \"end\" command cannot be used at the gdb prompt.");
+Note: the \"end\" command cannot be used at the gdb prompt."));
- add_com ("while-stepping", class_trace, while_stepping_pseudocommand,
- "Specify single-stepping behavior at a tracepoint.\n\
+ add_com ("while-stepping", class_trace, while_stepping_pseudocommand, _("\
+Specify single-stepping behavior at a tracepoint.\n\
Argument is number of instructions to trace in single-step mode\n\
following the tracepoint. This command is normally followed by\n\
one or more \"collect\" commands, to specify what to collect\n\
while single-stepping.\n\n\
-Note: this command can only be used in a tracepoint \"actions\" list.");
+Note: this command can only be used in a tracepoint \"actions\" list."));
add_com_alias ("ws", "while-stepping", class_alias, 0);
add_com_alias ("stepping", "while-stepping", class_alias, 0);
- add_com ("collect", class_trace, collect_pseudocommand,
- "Specify one or more data items to be collected at a tracepoint.\n\
+ add_com ("collect", class_trace, collect_pseudocommand, _("\
+Specify one or more data items to be collected at a tracepoint.\n\
Accepts a comma-separated list of (one or more) expressions. GDB will\n\
collect all data (variables, registers) referenced by that expression.\n\
Also accepts the following special arguments:\n\
$regs -- all registers.\n\
$args -- all function arguments.\n\
$locals -- all variables local to the block/function scope.\n\
-Note: this command can only be used in a tracepoint \"actions\" list.");
+Note: this command can only be used in a tracepoint \"actions\" list."));
- add_com ("actions", class_trace, trace_actions_command,
- "Specify the actions to be taken at a tracepoint.\n\
+ add_com ("actions", class_trace, trace_actions_command, _("\
+Specify the actions to be taken at a tracepoint.\n\
Tracepoint actions may include collecting of specified data, \n\
single-stepping, or enabling/disabling other tracepoints, \n\
-depending on target's capabilities.");
+depending on target's capabilities."));
add_cmd ("tracepoints", class_trace, delete_trace_command, _("\
Delete specified tracepoints.\n\
No argument means enable all tracepoints."),
&enablelist);
- c = add_com ("trace", class_trace, trace_command,
- "Set a tracepoint at a specified line or function or address.\n\
+ c = add_com ("trace", class_trace, trace_command, _("\
+Set a tracepoint at a specified line or function or address.\n\
Argument may be a line number, function name, or '*' plus an address.\n\
For a line number or function, trace at the start of its code.\n\
If an address is specified, trace at that exact address.\n\n\
-Do \"help tracepoints\" for info on other tracepoint commands.");
+Do \"help tracepoints\" for info on other tracepoint commands."));
set_cmd_completer (c, location_completer);
add_com_alias ("tp", "trace", class_alias, 0);
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);
}
projects / thirdparty / binutils-gdb.git / blobdiff