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# Copyright © 2020, VideoLAN and dav1d authors
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Build definition for the dav1d fuzzing binaries
#
if fuzzing_engine == 'none' and not have_fseeko
subdir_done()
endif
dav1d_fuzzer_sources = files('dav1d_fuzzer.c')
fuzzer_ldflags = []
fuzzer_link_lang = {}
if get_option('fuzzer_ldflags') != ''
fuzzer_ldflags += [get_option('fuzzer_ldflags')]
endif
if fuzzing_engine == 'none'
dav1d_fuzzer_sources += files('main.c')
elif fuzzing_engine == 'libfuzzer'
fuzzer_ldflags += ['-fsanitize=fuzzer']
elif fuzzing_engine == 'oss-fuzz'
# libFuzzingEngine needs c++
add_languages('cpp')
fuzzer_link_lang = {'link_language': 'cpp'}
endif
dav1d_fuzzer = executable('dav1d_fuzzer',
dav1d_fuzzer_sources,
include_directories: dav1d_inc_dirs,
link_args: fuzzer_ldflags,
link_with : libdav1d,
build_by_default: true,
dependencies : [thread_dependency],
kwargs: fuzzer_link_lang
)
dav1d_fuzzer_mt = executable('dav1d_fuzzer_mt',
dav1d_fuzzer_sources,
include_directories: dav1d_inc_dirs,
c_args: ['-DDAV1D_MT_FUZZING'],
link_args: fuzzer_ldflags,
link_with : libdav1d,
build_by_default: true,
dependencies : [thread_dependency],
kwargs: fuzzer_link_lang
)
objcopy = find_program('objcopy',
required: false)
if (objcopy.found() and
not get_option('b_lto') and
get_option('default_library') == 'static' and
cc.has_function('posix_memalign', prefix : '#include <stdlib.h>', args : test_args))
libdav1d_af = custom_target('libdav1d_af',
input: libdav1d,
output: 'libdav1d_af.a',
depends: libdav1d,
command: [objcopy,
'--redefine-sym', 'malloc=__wrap_malloc',
'--redefine-sym', 'posix_memalign=__wrap_posix_memalign',
'--redefine-sym', 'pthread_create=__wrap_pthread_create',
'--redefine-sym', 'pthread_cond_init=__wrap_pthread_cond_init',
'--redefine-sym', 'pthread_mutex_init=__wrap_pthread_mutex_init',
'@INPUT@', '@OUTPUT@'])
dav1d_fuzzer_mem = executable('dav1d_fuzzer_mem',
dav1d_fuzzer_sources + ['alloc_fail.c'],
include_directories: dav1d_inc_dirs,
c_args: ['-DDAV1D_ALLOC_FAIL'],
link_args: fuzzer_ldflags + [join_paths(libdav1d_af.full_path())],
link_depends: libdav1d_af,
build_by_default: false,
dependencies : [thread_dependency],
kwargs: fuzzer_link_lang
)
endif
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