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pigweed: Restore fuzzing (#5099) 

Fuzzing was broken due to toolchain refactoring. This change brings
things back.

Test: Locally built and run the example toy_fuzzer per
      https://google.github.io/oss-fuzz/getting-started/new-project-guide/#testing-locally
This commit is contained in:
Ali Zhang 2021-02-02 22:24:27 -08:00 committed by GitHub
parent 7dd8e7abbb
commit 4ea64fc735
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 8 deletions
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13
projects/pigweed/build.sh
View File

@ -50,9 +50,9 @@ python $SRC/filter_cipd.py \
pigweed/third_party/kythe pigweed/third_party/kythe
# Pigweed checks that it can find these as part of a "sanity check". # Pigweed checks that it can find these as part of a "sanity check".
mkdir -p "$PW_ROOT/.cipd/pigweed/bin" mkdir -p "$PW_ROOT/.environment/cipd/pigweed/bin"
for b in arm-none-eabi-gcc bazel bloaty ; do for b in arm-none-eabi-gcc bazel bloaty ; do
x="$PW_ROOT/.cipd/pigweed/bin/$b" x="$PW_ROOT/.environment/cipd/pigweed/bin/$b"
if [[ ! -x $x ]] ; then if [[ ! -x $x ]] ; then
ln -s "$(which false)" "$x" ln -s "$(which false)" "$x"
fi fi
@ -70,13 +70,12 @@ EXTRA_CXXFLAGS="-Wno-unused-command-line-argument"
EXTRA_CXXFLAGS+=" -fno-sanitize=vptr" EXTRA_CXXFLAGS+=" -fno-sanitize=vptr"
# Build! # Build!
CXXFLAGS="$CXXFLAGS $EXTRA_CXXFLAGS" \ CXXFLAGS="$CXXFLAGS $EXTRA_CXXFLAGS" LDFLAGS="$CXXFLAGS" \
gn gen "$BUILDROOT" \ gn gen "$BUILDROOT" \
--root="$PW_ROOT" \ --root="$PW_ROOT" \
--args="oss_fuzz_enabled=true --args="pw_toolchain_OSS_FUZZ_ENABLED=true
pw_target_toolchain=\"//pw_toolchain:host_clang_og\" pw_toolchain_SANITIZERS=[\"$SANITIZER\"]"
pw_sanitizer=\"$SANITIZER\"" ninja -C "$BUILDROOT" fuzzers
ninja -C "$BUILDROOT"
# Use build-generated metadata to identify available fuzzers # Use build-generated metadata to identify available fuzzers
python "$SRC/extract_pw_fuzzers.py" --buildroot "$BUILDROOT" --out "$OUT/" python "$SRC/extract_pw_fuzzers.py" --buildroot "$BUILDROOT" --out "$OUT/"

3
projects/pigweed/extract_pw_fuzzers.py
View File

@ -33,7 +33,8 @@ def main():
print(' buildroot: ' + args.buildroot) print(' buildroot: ' + args.buildroot)
print(' out: ' + args.out) print(' out: ' + args.out)
testinfo = os.path.join(args.buildroot, 'obj', testinfo = os.path.join(args.buildroot, 'host_clang_fuzz',
'obj',
'pw_module_tests.testinfo.json') 'pw_module_tests.testinfo.json')
tests = [] tests = []
with open(testinfo) as json_file: with open(testinfo) as json_file: