From 5e8c1cf25beccac1d22d10dc866912394f42771b Mon Sep 17 00:00:00 2001 From: Andrew Hsieh Date: Tue, 9 Dec 2014 17:57:18 +0800 Subject: [2.25] sync to a30720e3e633f275250e26f85ccae5dbdddfb6c6 local patches will be re-applied later commit a30720e3e633f275250e26f85ccae5dbdddfb6c6 Author: Alan Modra Date: Wed Nov 19 10:30:16 2014 +1030 daily update Change-Id: Ieb2a3f4dd2ecb289ac5305ff08d428b2847494ab --- .../libiberty/testsuite/demangler-fuzzer.c | 108 +++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 binutils-2.25/libiberty/testsuite/demangler-fuzzer.c (limited to 'binutils-2.25/libiberty/testsuite/demangler-fuzzer.c') diff --git a/binutils-2.25/libiberty/testsuite/demangler-fuzzer.c b/binutils-2.25/libiberty/testsuite/demangler-fuzzer.c new file mode 100644 index 0000000..aff7024 --- /dev/null +++ b/binutils-2.25/libiberty/testsuite/demangler-fuzzer.c @@ -0,0 +1,108 @@ +/* Demangler fuzzer. + + Copyright (C) 2014 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 . */ + +#include +#include +#include +#include +#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); +} -- cgit v1.1