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/* MI Command Set - breakpoint and watchpoint commands.
Copyright 2000, 2001 Free Software Foundation, Inc.
Contributed by Cygnus Solutions (a Red Hat company).
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "mi-cmds.h"
#include "ui-out.h"
#include "mi-out.h"
#include "breakpoint.h"
#include "gdb_string.h"
#include "mi-getopt.h"
#include "gdb-events.h"
#include "gdb.h"
/* Convenience macro for allocting typesafe memory. */
#undef XMALLOC
#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
enum
{
FROM_TTY = 0
};
/* Output a single breakpoint. */
static void
breakpoint_notify (int b)
{
gdb_breakpoint_query (b);
}
struct gdb_events breakpoint_hooks =
{
breakpoint_notify,
breakpoint_notify,
breakpoint_notify,
};
enum bp_type
{
REG_BP,
HW_BP,
REGEXP_BP
};
/* Insert a breakpoint. The type of breakpoint is specified by the
first argument: -break-insert <location> --> insert a regular
breakpoint. -break-insert -t <location> --> insert a temporary
breakpoint. -break-insert -h <location> --> insert an hardware
breakpoint. -break-insert -t -h <location> --> insert a temporary
hw bp.
-break-insert -r <regexp> --> insert a bp at functions matching
<regexp> */
enum mi_cmd_result
mi_cmd_break_insert (char *command, char **argv, int argc)
{
char *address = NULL;
enum bp_type type = REG_BP;
int temp_p = 0;
int thread = -1;
int ignore_count = 0;
char *condition = NULL;
enum gdb_rc rc;
struct gdb_events *old_hooks;
enum opt
{
HARDWARE_OPT, TEMP_OPT /*, REGEXP_OPT */ , CONDITION_OPT,
IGNORE_COUNT_OPT, THREAD_OPT
};
static struct mi_opt opts[] =
{
{"h", HARDWARE_OPT, 0},
{"t", TEMP_OPT, 0},
{"c", CONDITION_OPT, 1},
{"i", IGNORE_COUNT_OPT, 1},
{"p", THREAD_OPT, 1},
0
};
/* Parse arguments. It could be -r or -h or -t, <location> or ``--''
to denote the end of the option list. */
int optind = 0;
char *optarg;
while (1)
{
int opt = mi_getopt ("mi_cmd_break_insert", argc, argv, opts, &optind, &optarg);
if (opt < 0)
break;
switch ((enum opt) opt)
{
case TEMP_OPT:
temp_p = 1;
break;
case HARDWARE_OPT:
type = HW_BP;
break;
#if 0
case REGEXP_OPT:
type = REGEXP_BP;
break;
#endif
case CONDITION_OPT:
condition = optarg;
break;
case IGNORE_COUNT_OPT:
ignore_count = atol (optarg);
break;
case THREAD_OPT:
thread = atol (optarg);
break;
}
}
if (optind >= argc)
error ("mi_cmd_break_insert: Missing <location>");
if (optind < argc - 1)
error ("mi_cmd_break_insert: Garbage following <location>");
address = argv[optind];
/* Now we have what we need, let's insert the breakpoint! */
old_hooks = set_gdb_event_hooks (&breakpoint_hooks);
switch (type)
{
case REG_BP:
rc = gdb_breakpoint (address, condition,
0 /*hardwareflag */ , temp_p,
thread, ignore_count);
break;
case HW_BP:
rc = gdb_breakpoint (address, condition,
1 /*hardwareflag */ , temp_p,
thread, ignore_count);
break;
#if 0
case REGEXP_BP:
if (temp_p)
error ("mi_cmd_break_insert: Unsupported tempoary regexp breakpoint");
else
rbreak_command_wrapper (address, FROM_TTY);
return MI_CMD_DONE;
break;
#endif
default:
internal_error (__FILE__, __LINE__,
"mi_cmd_break_insert: Bad switch.");
}
set_gdb_event_hooks (old_hooks);
if (rc == GDB_RC_FAIL)
return MI_CMD_CAUGHT_ERROR;
else
return MI_CMD_DONE;
}
enum wp_type
{
REG_WP,
READ_WP,
ACCESS_WP
};
/* Insert a watchpoint. The type of watchpoint is specified by the
first argument:
-break-watch <expr> --> insert a regular wp.
-break-watch -r <expr> --> insert a read watchpoint.
-break-watch -a <expr> --> insert an access wp. */
enum mi_cmd_result
mi_cmd_break_watch (char *command, char **argv, int argc)
{
char *expr = NULL;
enum wp_type type = REG_WP;
enum opt
{
READ_OPT, ACCESS_OPT
};
static struct mi_opt opts[] =
{
{"r", READ_OPT, 0},
{"a", ACCESS_OPT, 0},
0
};
/* Parse arguments. */
int optind = 0;
char *optarg;
while (1)
{
int opt = mi_getopt ("mi_cmd_break_watch", argc, argv, opts, &optind, &optarg);
if (opt < 0)
break;
switch ((enum opt) opt)
{
case READ_OPT:
type = READ_WP;
break;
case ACCESS_OPT:
type = ACCESS_WP;
break;
}
}
if (optind >= argc)
error ("mi_cmd_break_watch: Missing <expression>");
if (optind < argc - 1)
error ("mi_cmd_break_watch: Garbage following <expression>");
expr = argv[optind];
/* Now we have what we need, let's insert the watchpoint! */
switch (type)
{
case REG_WP:
#ifdef UI_OUT
watch_command_wrapper (expr, FROM_TTY);
#endif
break;
case READ_WP:
#ifdef UI_OUT
rwatch_command_wrapper (expr, FROM_TTY);
#endif
break;
case ACCESS_WP:
#ifdef UI_OUT
awatch_command_wrapper (expr, FROM_TTY);
#endif
break;
default:
error ("mi_cmd_break_watch: Unknown watchpoint type.");
}
return MI_CMD_DONE;
}
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