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| author | Alon Zakai <alonzakai@gmail.com> | 2014-02-14 10:23:15 -0800 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2014-02-14 10:23:15 -0800 |
| commit | fe899d8249caf8614100de0e1eb2f5efae77dfa7 (patch) | |
| tree | a82a80488b86b0aa72d165b7f588ab2abe5e0130 /tests/fuzz | |
| parent | 218ee067d17a2b86552289952ed5a160611df573 (diff) | |
improve c++ fuzzing
Diffstat (limited to 'tests/fuzz')
| -rwxr-xr-x | tests/fuzz/csmith_driver.py | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/tests/fuzz/csmith_driver.py b/tests/fuzz/csmith_driver.py index b720a3e4..1a82b80a 100755 --- a/tests/fuzz/csmith_driver.py +++ b/tests/fuzz/csmith_driver.py @@ -39,14 +39,16 @@ while 1: print 'opt level:', opts print 'Tried %d, notes: %s' % (tried, notes) - print '1) Generate C' + print '1) Generate source' extra_args = [] if random.random() < 0.5: extra_args += ['--no-math64'] suffix = '.c' + COMP = shared.CLANG_CC if random.random() < 0.5: extra_args += ['--lang-cpp'] suffix += 'pp' - print extra_args + COMP = shared.CLANG + print COMP, extra_args fullname = filename + suffix check_call([CSMITH, '--no-volatiles', '--no-packed-struct'] + extra_args, #['--max-block-depth', '2', '--max-block-size', '2', '--max-expr-complexity', '2', '--max-funcs', '2'], @@ -57,11 +59,17 @@ while 1: print '2) Compile natively' shared.try_delete(filename) - shared.check_execute([shared.CLANG_CC, opts, fullname, '-o', filename + '1'] + CSMITH_CFLAGS) # + shared.EMSDK_OPTS - shared.check_execute([shared.CLANG_CC, opts, '-emit-llvm', '-c', '-Xclang', '-triple=i386-pc-linux-gnu', fullname, '-o', filename + '.bc'] + CSMITH_CFLAGS + shared.EMSDK_OPTS) + try: + shared.check_execute([COMP, opts, fullname, '-o', filename + '1'] + CSMITH_CFLAGS) # + shared.EMSDK_OPTS + except Exception, e: + print 'Failed to compile natively using clang', e + notes['invalid'] += 1 + continue + + shared.check_execute([COMP, opts, '-emit-llvm', '-c', '-Xclang', '-triple=i386-pc-linux-gnu', fullname, '-o', filename + '.bc'] + CSMITH_CFLAGS + shared.EMSDK_OPTS) shared.check_execute([shared.path_from_root('tools', 'nativize_llvm.py'), filename + '.bc']) shutil.move(filename + '.bc.run', filename + '2') - shared.check_execute([shared.CLANG_CC, fullname, '-o', filename + '3'] + CSMITH_CFLAGS) + shared.check_execute([COMP, fullname, '-o', filename + '3'] + CSMITH_CFLAGS) print '3) Run natively' try: correct1 = shared.jsrun.timeout_run(Popen([filename + '1'], stdout=PIPE, stderr=PIPE), 3) |