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android13/external/oss-fuzz/projects/skia/build.sh

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#!/bin/bash -eu
# Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
# Build SwiftShader
pushd third_party/externals/swiftshader/
export SWIFTSHADER_INCLUDE_PATH=$PWD/include
# SwiftShader already has a build/ directory, use something else
rm -rf build_swiftshader
mkdir build_swiftshader
cd build_swiftshader
if [ $SANITIZER == "address" ]; then
CMAKE_SANITIZER="SWIFTSHADER_ASAN"
elif [ $SANITIZER == "memory" ]; then
CMAKE_SANITIZER="SWIFTSHADER_MSAN"
# oss-fuzz will patch the rpath for this after compilation and linking,
# so we only need to set this to appease the Swiftshader build rules check.
export SWIFTSHADER_MSAN_INSTRUMENTED_LIBCXX_PATH="/does/not/matter"
elif [ $SANITIZER == "undefined" ]; then
# The current SwiftShader build needs -fno-sanitize=vptr, but it cannot be
# specified here since -fsanitize=undefined will always come after any
# user specified flags passed to cmake. SwiftShader does not need to be
# built with the undefined sanitizer in order to fuzz Skia, so don't.
CMAKE_SANITIZER="SWIFTSHADER_UBSAN_DISABLED"
elif [ $SANITIZER == "coverage" ]; then
CMAKE_SANITIZER="SWIFTSHADER_EMIT_COVERAGE"
elif [ $SANITIZER == "thread" ]; then
CMAKE_SANITIZER="SWIFTSHADER_UBSAN_DISABLED"
else
exit 1
fi
# These deprecated warnings get quite noisy and mask other issues.
CFLAGS= CXXFLAGS="-stdlib=libc++ -Wno-deprecated-declarations" cmake .. -GNinja \
-DCMAKE_MAKE_PROGRAM="$SRC/depot_tools/ninja" -D$CMAKE_SANITIZER=1
$SRC/depot_tools/ninja libGLESv2_deprecated libEGL_deprecated
# Skia is looking for the names w/o the _deprecated tag. The libraries themselves
# are looking for the _deprecated suffix, so we copy them both ways into the out
# directory.
cp libEGL_deprecated.so $OUT/libEGL.so
cp libGLESv2_deprecated.so $OUT/libGLESv2.so
mv libGLESv2_deprecated.so libEGL_deprecated.so $OUT
export SWIFTSHADER_LIB_PATH=$OUT
popd
# These are any clang warnings we need to silence.
DISABLE="-Wno-zero-as-null-pointer-constant -Wno-unused-template
-Wno-cast-qual"
# Disable UBSan vptr since target built with -fno-rtti.
export CFLAGS="$CFLAGS $DISABLE -I$SWIFTSHADER_INCLUDE_PATH -DGR_EGL_TRY_GLES3_THEN_GLES2\
-fno-sanitize=vptr -DSK_BUILD_FOR_LIBFUZZER"
export CXXFLAGS="$CXXFLAGS $DISABLE -I$SWIFTSHADER_INCLUDE_PATH -DGR_EGL_TRY_GLES3_THEN_GLES2\
-fno-sanitize=vptr -DSK_BUILD_FOR_LIBFUZZER"
export LDFLAGS="$LIB_FUZZING_ENGINE $CXXFLAGS -L$SWIFTSHADER_LIB_PATH"
# This splits a space separated list into a quoted, comma separated list for gn.
export CFLAGS_ARR=`echo $CFLAGS | sed -e "s/\s/\",\"/g"`
export CXXFLAGS_ARR=`echo $CXXFLAGS | sed -e "s/\s/\",\"/g"`
export LDFLAGS_ARR=`echo $LDFLAGS | sed -e "s/\s/\",\"/g"`
$SRC/skia/bin/fetch-gn
set +u
LIMITED_LINK_POOL="link_pool_depth=1"
if [ "$CIFUZZ" = "true" ]; then
echo "Not restricting linking because on CIFuzz"
LIMITED_LINK_POOL=""
fi
set -u
SKIA_ARGS="skia_build_fuzzers=true
skia_enable_fontmgr_custom_directory=false
skia_enable_fontmgr_custom_embedded=false
skia_enable_fontmgr_custom_empty=true
skia_enable_gpu=true
skia_enable_skottie=true
skia_use_egl=true
skia_use_fontconfig=false
skia_use_freetype=true
skia_use_system_freetype2=false
skia_use_wuffs=true
skia_use_libfuzzer_defaults=false"
# Even though GPU is "enabled" for all these builds, none really
# uses the gpu except for api_mock_gpu_canvas.
$SRC/skia/bin/gn gen out/Fuzz\
--args='cc="'$CC'"
cxx="'$CXX'"
'"$LIMITED_LINK_POOL"'
'"${SKIA_ARGS[*]}"'
is_debug=false
extra_cflags_c=["'"$CFLAGS_ARR"'"]
extra_cflags_cc=["'"$CXXFLAGS_ARR"'"]
extra_ldflags=["'"$LDFLAGS_ARR"'"]'
# Some fuzz targets benefit from assertions so we enable SK_DEBUG to allow SkASSERT
# and SkDEBUGCODE to run. We still enable optimization (via is_debug=false) because
# faster code means more fuzz tests and deeper coverage.
$SRC/skia/bin/gn gen out/FuzzDebug\
--args='cc="'$CC'"
cxx="'$CXX'"
'"$LIMITED_LINK_POOL"'
'"${SKIA_ARGS[*]}"'
is_debug=false
extra_cflags_c=["-DSK_DEBUG","'"$CFLAGS_ARR"'"]
extra_cflags_cc=["-DSK_DEBUG","'"$CXXFLAGS_ARR"'"]
extra_ldflags=["'"$LDFLAGS_ARR"'"]'
$SRC/depot_tools/ninja -C out/Fuzz \
android_codec \
animated_image_decode \
api_create_ddl \
api_ddl_threading \
api_draw_functions \
api_gradients \
api_image_filter \
api_mock_gpu_canvas \
api_null_canvas \
api_path_measure \
api_pathop \
api_polyutils \
api_raster_n32_canvas \
api_regionop \
api_skparagraph \
api_svg_canvas \
api_triangulation \
image_decode \
image_decode_incremental \
image_filter_deserialize \
jpeg_encoder \
path_deserialize \
png_encoder \
region_deserialize \
region_set_path \
skdescriptor_deserialize \
skjson \
skottie_json \
skp \
svg_dom \
textblob_deserialize \
webp_encoder
$SRC/depot_tools/ninja -C out/FuzzDebug \
skruntimeeffect \
sksl2glsl \
sksl2metal \
sksl2pipeline \
sksl2spirv \
rm -rf $OUT/data
mkdir $OUT/data
mv out/Fuzz/region_deserialize $OUT/region_deserialize
mv out/Fuzz/region_set_path $OUT/region_set_path
mv ../skia_data/region_set_path_seed_corpus.zip $OUT/region_set_path_seed_corpus.zip
mv out/Fuzz/textblob_deserialize $OUT/textblob_deserialize
mv ../skia_data/textblob_deserialize_seed_corpus.zip $OUT/textblob_deserialize_seed_corpus.zip
mv out/Fuzz/path_deserialize $OUT/path_deserialize
mv ../skia_data/path_deserialize_seed_corpus.zip $OUT/path_deserialize_seed_corpus.zip
mv out/Fuzz/animated_image_decode $OUT/animated_image_decode
mv ../skia_data/animated_image_decode_seed_corpus.zip $OUT/animated_image_decode_seed_corpus.zip
# Only create the width version of image_filter_deserialize if building with
# libfuzzer, since it depends on a libfuzzer specific flag.
if [ "$FUZZING_ENGINE" == "libfuzzer" ]
then
# Use the same binary as image_filter_deserialize.
cp out/Fuzz/image_filter_deserialize $OUT/image_filter_deserialize_width
mv ../skia_data/image_filter_deserialize_width.options $OUT/image_filter_deserialize_width.options
# Use the same seed corpus as image_filter_deserialize.
cp ../skia_data/image_filter_deserialize_seed_corpus.zip $OUT/image_filter_deserialize_width_seed_corpus.zip
fi
mv out/Fuzz/image_filter_deserialize $OUT/image_filter_deserialize
mv ../skia_data/image_filter_deserialize_seed_corpus.zip $OUT/image_filter_deserialize_seed_corpus.zip
mv out/Fuzz/api_draw_functions $OUT/api_draw_functions
mv ../skia_data/api_draw_functions_seed_corpus.zip $OUT/api_draw_functions_seed_corpus.zip
mv out/Fuzz/api_gradients $OUT/api_gradients
mv ../skia_data/api_gradients_seed_corpus.zip $OUT/api_gradients_seed_corpus.zip
mv out/Fuzz/api_path_measure $OUT/api_path_measure
mv ../skia_data/api_path_measure_seed_corpus.zip $OUT/api_path_measure_seed_corpus.zip
mv out/Fuzz/api_pathop $OUT/api_pathop
mv ../skia_data/api_pathop_seed_corpus.zip $OUT/api_pathop_seed_corpus.zip
# These 3 use the same corpus.
mv out/Fuzz/png_encoder $OUT/png_encoder
cp ../skia_data/encoder_seed_corpus.zip $OUT/png_encoder_seed_corpus.zip
mv out/Fuzz/jpeg_encoder $OUT/jpeg_encoder
cp ../skia_data/encoder_seed_corpus.zip $OUT/jpeg_encoder_seed_corpus.zip
mv out/Fuzz/webp_encoder $OUT/webp_encoder
mv ../skia_data/encoder_seed_corpus.zip $OUT/webp_encoder_seed_corpus.zip
mv out/Fuzz/skottie_json $OUT/skottie_json
mv ../skia_data/skottie_json_seed_corpus.zip $OUT/skottie_json_seed_corpus.zip
mv out/Fuzz/skjson $OUT/skjson
mv ../skia_data/json.dict $OUT/skjson.dict
mv ../skia_data/skjson_seed_corpus.zip $OUT/skjson_seed_corpus.zip
# These 4 use the same canvas_seed_corpus.
mv out/Fuzz/api_mock_gpu_canvas $OUT/api_mock_gpu_canvas
cp ../skia_data/canvas_seed_corpus.zip $OUT/api_mock_gpu_canvas_seed_corpus.zip
mv out/Fuzz/api_raster_n32_canvas $OUT/api_raster_n32_canvas
cp ../skia_data/canvas_seed_corpus.zip $OUT/api_raster_n32_canvas_seed_corpus.zip
mv out/Fuzz/api_svg_canvas $OUT/api_svg_canvas
cp ../skia_data/canvas_seed_corpus.zip $OUT/api_svg_canvas_seed_corpus.zip
mv out/Fuzz/api_null_canvas $OUT/api_null_canvas
mv ../skia_data/canvas_seed_corpus.zip $OUT/api_null_canvas_seed_corpus.zip
mv out/Fuzz/api_image_filter $OUT/api_image_filter
mv ../skia_data/api_image_filter_seed_corpus.zip $OUT/api_image_filter_seed_corpus.zip
mv out/Fuzz/api_polyutils $OUT/api_polyutils
mv ../skia_data/api_polyutils_seed_corpus.zip $OUT/api_polyutils_seed_corpus.zip
# These 3 use the same corpus.
mv out/Fuzz/image_decode $OUT/image_decode
cp ../skia_data/image_decode_seed_corpus.zip $OUT/image_decode_seed_corpus.zip
mv out/Fuzz/android_codec $OUT/android_codec
cp ../skia_data/image_decode_seed_corpus.zip $OUT/android_codec_seed_corpus.zip.
mv out/Fuzz/image_decode_incremental $OUT/image_decode_incremental
mv ../skia_data/image_decode_seed_corpus.zip $OUT/image_decode_incremental_seed_corpus.zip
# These 4 use the same sksl_seed_corpus.
mv out/FuzzDebug/sksl2glsl $OUT/sksl2glsl
cp ../skia_data/sksl_seed_corpus.zip $OUT/sksl2glsl_seed_corpus.zip
mv out/FuzzDebug/sksl2spirv $OUT/sksl2spirv
cp ../skia_data/sksl_seed_corpus.zip $OUT/sksl2spirv_seed_corpus.zip
mv out/FuzzDebug/sksl2metal $OUT/sksl2metal
cp ../skia_data/sksl_seed_corpus.zip $OUT/sksl2metal_seed_corpus.zip
mv out/FuzzDebug/sksl2pipeline $OUT/sksl2pipeline
mv ../skia_data/sksl_seed_corpus.zip $OUT/sksl2pipeline_seed_corpus.zip
mv out/Fuzz/skdescriptor_deserialize $OUT/skdescriptor_deserialize
mv out/Fuzz/svg_dom $OUT/svg_dom
mv ../skia_data/svg_dom_seed_corpus.zip $OUT/svg_dom_seed_corpus.zip
mv out/FuzzDebug/skruntimeeffect $OUT/skruntimeeffect
mv ../skia_data/sksl_with_256_padding_seed_corpus.zip $OUT/skruntimeeffect_seed_corpus.zip
mv out/Fuzz/api_create_ddl $OUT/api_create_ddl
mv out/Fuzz/api_ddl_threading $OUT/api_ddl_threading
mv out/Fuzz/skp $OUT/skp
mv ../skia_data/skp_seed_corpus.zip $OUT/skp_seed_corpus.zip
mv out/Fuzz/api_skparagraph $OUT/api_skparagraph
mv out/Fuzz/api_regionop $OUT/api_regionop
mv out/Fuzz/api_triangulation $OUT/api_triangulation
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