/* Debug counter for debugging support
- Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2006-2015 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA.
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>.
See dbgcnt.def for usage information. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
+#include "diagnostic-core.h"
+#include "dumpfile.h"
#include "dbgcnt.h"
dbg_cnt (enum debug_counter index)
{
count[index]++;
+ if (dump_file && count[index] == limit[index])
+ fprintf (dump_file, "***dbgcnt: limit reached for %s.***\n",
+ map[index].name);
+
return dbg_cnt_is_enabled (index);
}
fprintf (stderr, "dbg_cnt '%s' set to %d\n", map[index].name, value);
}
-static void
+static bool
dbg_cnt_set_limit_by_name (const char *name, int len, int value)
{
int i;
for (i = debug_counter_number_of_counters - 1; i >= 0; i--)
- if (!strncmp (map[i].name, name, len))
+ if (strncmp (map[i].name, name, len) == 0
+ && map[i].name[len] == '\0')
break;
if (i < 0)
- return;
+ return false;
- dbg_cnt_set_limit_by_index (i, value);
+ dbg_cnt_set_limit_by_index ((enum debug_counter) i, value);
+ return true;
}
-void
-dbg_cnt_process_opt (const char *arg)
+
+/* Process a single "name:value" pair.
+ Returns NULL if there's no valid pair is found.
+ Otherwise returns a pointer to the end of the pair. */
+
+static const char *
+dbg_cnt_process_single_pair (const char *arg)
{
- char *colon = strchr (arg, ':');
- char *comma;
-
+ const char *colon = strchr (arg, ':');
+ char *endptr = NULL;
+ int value;
+
if (colon == NULL)
- return;
+ return NULL;
+
+ value = strtol (colon + 1, &endptr, 10);
- dbg_cnt_set_limit_by_name (arg, colon - arg, atoi (colon + 1));
+ if (endptr != NULL && endptr != colon + 1
+ && dbg_cnt_set_limit_by_name (arg, colon - arg, value))
+ return endptr;
+
+ return NULL;
+}
- comma = strchr (colon + 1, ',');
- while (comma)
+void
+dbg_cnt_process_opt (const char *arg)
+{
+ const char *start = arg;
+ const char *next;
+ do {
+ next = dbg_cnt_process_single_pair (arg);
+ if (next == NULL)
+ break;
+ } while (*next == ',' && (arg = next + 1));
+
+ if (next == NULL || *next != 0)
{
- colon = strchr (comma + 1, ':');
- if (colon == NULL || !(colon[1] >= '0' && colon[1] <= '9'))
- return;
- dbg_cnt_set_limit_by_name (comma + 1, colon - (comma + 1), atoi (colon + 1));
- comma = strchr (colon + 1, ',');
+ char *buffer = XALLOCAVEC (char, arg - start + 2);
+ sprintf (buffer, "%*c", (int)(1 + (arg - start)), '^');
+ error ("cannot find a valid counter:value pair:");
+ error ("-fdbg-cnt=%s", start);
+ error (" %s", buffer);
}
}
+
+/* Print name, limit and count of all counters. */
+
+void
+dbg_cnt_list_all_counters (void)
+{
+ int i;
+ printf (" %-30s %-5s %-5s\n", "counter name", "limit", "value");
+ printf ("----------------------------------------------\n");
+ for (i = 0; i < debug_counter_number_of_counters; i++)
+ printf (" %-30s %5d %5u\n",
+ map[i].name, limit[map[i].counter], count[map[i].counter]);
+ printf ("\n");
+}