mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
/* Demangler fuzzer.
|
|
|
|
Copyright (C) 2014-2017 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU libiberty.
|
|
|
|
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 3 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <time.h>
|
|
#include "demangle.h"
|
|
|
|
#define MAXLEN 253
|
|
#define ALPMIN 33
|
|
#define ALPMAX 127
|
|
|
|
static char *program_name;
|
|
|
|
#define DEFAULT_MAXCOUNT 7500000
|
|
|
|
static void
|
|
print_usage (FILE *fp, int exit_value)
|
|
{
|
|
fprintf (fp, "Usage: %s [OPTION]...\n", program_name);
|
|
fprintf (fp, "Options:\n");
|
|
fprintf (fp, " -h Display this message.\n");
|
|
fprintf (fp, " -s SEED Select the random seed to be used.\n");
|
|
fprintf (fp, " The default is to base one on the");
|
|
fprintf (fp, " current time.\n");
|
|
fprintf (fp, " -m MAXCOUNT Exit after MAXCOUNT symbols.\n");
|
|
fprintf (fp, " The default is %d.", DEFAULT_MAXCOUNT);
|
|
fprintf (fp, " Set to `-1' for no limit.\n");
|
|
|
|
exit (exit_value);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
char symbol[2 + MAXLEN + 1] = "_Z";
|
|
int seed = -1, seed_set = 0;
|
|
int count = 0, maxcount = DEFAULT_MAXCOUNT;
|
|
int optchr;
|
|
|
|
program_name = argv[0];
|
|
|
|
do
|
|
{
|
|
optchr = getopt (argc, argv, "hs:m:t:");
|
|
switch (optchr)
|
|
{
|
|
case '?': /* Unrecognized option. */
|
|
print_usage (stderr, 1);
|
|
break;
|
|
|
|
case 'h':
|
|
print_usage (stdout, 0);
|
|
break;
|
|
|
|
case 's':
|
|
seed = atoi (optarg);
|
|
seed_set = 1;
|
|
break;
|
|
|
|
case 'm':
|
|
maxcount = atoi (optarg);
|
|
break;
|
|
}
|
|
}
|
|
while (optchr != -1);
|
|
|
|
if (!seed_set)
|
|
seed = time (NULL);
|
|
srand (seed);
|
|
printf ("%s: seed = %d\n", program_name, seed);
|
|
|
|
while (maxcount < 0 || count < maxcount)
|
|
{
|
|
char *buffer = symbol + 2;
|
|
int length, i;
|
|
|
|
length = rand () % MAXLEN;
|
|
for (i = 0; i < length; i++)
|
|
*buffer++ = (rand () % (ALPMAX - ALPMIN)) + ALPMIN;
|
|
|
|
*buffer++ = '\0';
|
|
|
|
cplus_demangle (symbol, DMGL_AUTO | DMGL_ANSI | DMGL_PARAMS);
|
|
|
|
count++;
|
|
}
|
|
|
|
printf ("%s: successfully demangled %d symbols\n", program_name, count);
|
|
exit (0);
|
|
}
|