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|
MSAN, ASAN, & TSAN
==================
*Testing Skia with memory, address, and thread santizers.*
Downloading Clang Binaries (Googlers Only)
------------------------------------------
CLANGDIR="${HOME}/clang"
python infra/bots/assets/clang_linux/download.py -t $CLANGDIR
Building Clang from scratch
---------------------------
CLANGDIR="${HOME}/clang"
python tools/git-sync-deps
CC= CXX= infra/bots/assets/clang_linux/create.py -t "$CLANGDIR"
Configure and Compile Skia with MSAN
------------------------------------
CLANGDIR="${HOME}/clang"
mkdir -p out/msan
cat > out/msan/args.gn <<- EOF
cc = "${CLANGDIR}/bin/clang"
cxx = "${CLANGDIR}/bin/clang++"
extra_cflags = [ "-B${CLANGDIR}/bin" ]
extra_ldflags = [ "-B${CLANGDIR}/bin", "-fuse-ld=lld", "-L${CLANGDIR}/msan" ]
sanitize = "MSAN"
skia_use_fontconfig = false
EOF
python tools/git-sync-deps
bin/gn gen out/msan
ninja -C out/msan
When you run a binary built with MSAN, make sure you force it to use our
MSAN-instrumented libc++:
env LD_LIBRARY_PATH=$CLANGDIR/msan out/dm ...
Configure and Compile Skia with ASAN
------------------------------------
CLANGDIR="${HOME}/clang"
mkdir -p out/asan
cat > out/asan/args.gn <<- EOF
cc = "${CLANGDIR}/bin/clang"
cxx = "${CLANGDIR}/bin/clang++"
sanitize = "ASAN"
EOF
python tools/git-sync-deps
bin/gn gen out/asan
ninja -C out/asan
Configure and Compile Skia with TSAN
------------------------------------
CLANGDIR="${HOME}/clang"
mkdir -p out/tsan
cat > out/tsan/args.gn <<- EOF
cc = "${CLANGDIR}/bin/clang"
cxx = "${CLANGDIR}/bin/clang++"
sanitize = "TSAN"
is_debug = false
EOF
python tools/git-sync-deps
bin/gn gen out/tsan
ninja -C out/tsan
|
