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jayakasadevjayakasadev
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feat: add support for bazel (#759)
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+249
-4
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+249
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‎.bazelrc‎

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common --enable_platform_specific_config
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build --cxxopt=-std=c++2a
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# Show everything when running tests.
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test --test_output=streamed
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build:macos --macos_minimum_os=10.15
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build:macos --no@fuzztest//fuzztest:use_riegeli
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try-import %workspace%/fuzztest.bazelrc

‎.github/workflows/main.yml‎

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@@ -107,6 +107,14 @@ jobs:
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mkdir libs
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cp libsnmallocshim*.so libs
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for lib in `ls libs`; do echo; echo Testing $lib; ninja clean; LD_PRELOAD=libs/$lib ninja libsnmallocshim.so; done
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- uses: bazelbuild/setup-bazelisk@v3
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- name: Mount bazel cache # Optional
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uses: actions/cache@v4
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with:
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path: "~/.cache/bazel"
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key: bazel
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- run: bazel build -c opt //:snmalloc
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- run: bazel build -c opt //:snmalloc-rs
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# If this looks remarkably familiar, that's because it is. Sigh.
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macos:
@@ -151,6 +159,14 @@ jobs:
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mkdir libs
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cp libsnmallocshim*.so libs
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for lib in `ls libs`; do echo; echo Testing $lib; ninja clean; LD_PRELOAD=libs/$lib ninja libsnmallocshim.so; done
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- uses: bazelbuild/setup-bazelisk@v3
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- name: Mount bazel cache # Optional
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uses: actions/cache@v4
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with:
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path: "~/.cache/bazel"
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key: bazel
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- run: bazel build -c opt //:snmalloc
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- run: bazel build -c opt //:snmalloc-rs
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# GitHub doesn't natively support *BSD, but we can run them in VMs on Mac /
@@ -448,7 +464,6 @@ jobs:
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run: ctest -j 2 --interactive-debug-mode 0 --output-on-failure -C ${{ matrix.build-type }} --timeout 400
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timeout-minutes: 20
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451-
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# Job to run clang-format and report errors
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format:
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runs-on: ubuntu-22.04
@@ -488,6 +503,13 @@ jobs:
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run: cmake --build ${{github.workspace}}/build --target snmalloc-fuzzer
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- name: Test
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run: ${{github.workspace}}/build/fuzzing/snmalloc-fuzzer
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- uses: bazelbuild/setup-bazelisk@v3
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- name: Mount bazel cache # Optional
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uses: actions/cache@v4
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with:
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path: "~/.cache/bazel"
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key: bazel
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- run: bazel test -c opt --config=asan //fuzzing:snmalloc_fuzzer
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self-vendored:
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strategy:

‎BUILD.bazel‎

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load("@rules_foreign_cc//foreign_cc:defs.bzl", "cmake")
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filegroup(
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name = "srcs",
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srcs = glob(
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[
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"src/snmalloc/**/*",
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"src/test/*.h",
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"CMakeLists.txt",
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],
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),
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visibility = ["//visibility:private"],
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)
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config_setting(
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name = "release_with_debug",
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values = {
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"compilation_mode": "fastbuild",
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},
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)
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config_setting(
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name = "release",
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values = {
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"compilation_mode": "opt",
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},
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)
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config_setting(
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name = "debug",
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values = {
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"compilation_mode": "dbg",
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},
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)
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CMAKE_FLAGS = {
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"CMAKE_INTERPROCEDURAL_OPTIMIZATION": "TRUE",
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"SNMALLOC_OPTIMISE_FOR_CURRENT_MACHINE": "ON",
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"SNMALLOC_USE_SELF_VENDORED_STL": "OFF",
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"SNMALLOC_IPO": "ON",
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"USE_SNMALLOC_STATS": "ON",
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} | select({
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":release_with_debug": {"CMAKE_BUILD_TYPE": "RelWithDebInfo"},
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":release": {"CMAKE_BUILD_TYPE": "Release"},
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":debug": {"CMAKE_BUILD_TYPE": "Debug"},
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"//conditions:default": {"CMAKE_BUILD_TYPE": "Release"},
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})
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cmake(
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name = "snmalloc",
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cache_entries = CMAKE_FLAGS,
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generate_args = ["-G Ninja"],
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lib_source = ":srcs",
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out_shared_libs = select({
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"@bazel_tools//src/conditions:darwin": [
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"libsnmallocshim-checks-memcpy-only.dylib",
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"libsnmallocshim-checks.dylib",
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"libsnmallocshim.dylib",
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],
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"//conditions:default": [],
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}),
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out_static_libs = [
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"libsnmallocshim-static.a",
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"libsnmalloc-new-override.a",
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],
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postfix_script = "ninja",
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visibility = ["//visibility:public"],
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)
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cmake(
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name = "snmalloc-rs",
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cache_entries = CMAKE_FLAGS | {
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"SNMALLOC_RUST_SUPPORT": "ON",
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},
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generate_args = ["-G Ninja"],
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lib_source = ":srcs",
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out_shared_libs = select({
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"@bazel_tools//src/conditions:darwin": [
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"libsnmallocshim-checks-memcpy-only.dylib",
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"libsnmallocshim-checks.dylib",
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"libsnmallocshim.dylib",
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],
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"//conditions:default": [],
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}),
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out_static_libs = [
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"libsnmallocshim-static.a",
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"libsnmalloc-new-override.a",
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],
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postfix_script = "ninja",
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visibility = ["//visibility:public"],
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)

‎CMakeLists.txt‎

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@@ -659,19 +659,24 @@ install(TARGETS EXPORT snmallocConfig DESTINATION ${CMAKE_INSTALL_LIBDIR}
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PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/snmalloc)
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install(DIRECTORY src/snmalloc/aal DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/ds DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/override DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/backend DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/backend_helpers DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/ds DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/ds_aal DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/ds_core DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/global DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/mem DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/override DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/pal DESTINATION include/snmalloc)
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install(DIRECTORY src/snmalloc/stl DESTINATION include/snmalloc)
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install(FILES
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src/test/measuretime.h
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src/test/opt.h
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src/test/setup.h
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src/test/usage.h
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src/test/xoroshiro.h
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DESTINATION include/snmalloc/test
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)
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)
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install(FILES src/snmalloc/snmalloc.h;src/snmalloc/snmalloc_core.h;src/snmalloc/snmalloc_front.h DESTINATION include/snmalloc)
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install(EXPORT snmallocConfig

‎MODULE.bazel‎

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module(name = "snmalloc")
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bazel_dep(name = "rules_cc", version = "0.1.1")
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bazel_dep(name = "rules_foreign_cc", version = "0.14.0")
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bazel_dep(name = "fuzztest", version = "20250214.0")
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bazel_dep(name = "googletest", version = "1.16.0")

‎fuzzing/BUILD.bazel‎

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load("@rules_cc//cc:defs.bzl", "cc_test")
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# will raise `ERROR: AddressSanitizer: SEGV on unknown address` if run without -c opt
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# --config=asan adds AddressSanitizer libs
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# bazel test -c opt --config=asan //fuzzing:snmalloc_fuzzer
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cc_test(
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name = "snmalloc_fuzzer",
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srcs = ["snmalloc-fuzzer.cpp"],
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copts = [
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"-fsanitize=address",
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] + select({
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"@bazel_tools//tools/cpp:clang-cl": ["-fexperimental-library"], # needed for std::execution::unseq,
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"//conditions:default": ["-mcx16"],
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}),
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defines = [
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"SNMALLOC_USE_WAIT_ON_ADDRESS=0",
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"ADDRESS_SANITIZER",
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],
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linkstatic = True,
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malloc = "//:snmalloc",
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deps = [
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"@fuzztest//fuzztest",
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"@fuzztest//fuzztest:fuzztest_gtest_main",
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],
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)

‎fuzztest.bazelrc‎

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### DO NOT EDIT. Generated file.
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#
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# To regenerate, run the following from your project's workspace:
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#
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# bazel run @com_google_fuzztest//bazel:setup_configs > fuzztest.bazelrc
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#
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# And don't forget to add the following to your project's .bazelrc:
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#
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# try-import %workspace%/fuzztest.bazelrc
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### Common options.
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#
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# Do not use directly.
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# Standard define for \"ifdef-ing\" any fuzz test specific code.
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build:fuzztest-common --copt=-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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# In fuzz tests, we want to catch assertion violations even in optimized builds.
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build:fuzztest-common --copt=-UNDEBUG
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# Enable libc++ assertions.
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# See https://libcxx.llvm.org/UsingLibcxx.html#enabling-the-safe-libc-mode
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build:fuzztest-common --copt=-D_LIBCPP_ENABLE_ASSERTIONS=1
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### ASan (Address Sanitizer) build configuration.
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#
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# Use with: --config=asan
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build:asan --linkopt=-fsanitize=address
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build:asan --copt=-fsanitize=address
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# We rely on the following flag instead of the compiler provided
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# __has_feature(address_sanitizer) to know that we have an ASAN build even in
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# the uninstrumented runtime.
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build:asan --copt=-DADDRESS_SANITIZER
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### FuzzTest build configuration.
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#
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# Use with: --config=fuzztest
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#
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# Note that this configuration includes the ASan configuration.
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build:fuzztest --config=asan
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build:fuzztest --config=fuzztest-common
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# Link statically.
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build:fuzztest --dynamic_mode=off
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# We apply coverage tracking instrumentation to everything but Centipede and the
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# FuzzTest framework itself (including GoogleTest and GoogleMock).
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build:fuzztest --copt=-fsanitize-coverage=inline-8bit-counters,trace-cmp,pc-table
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build:fuzztest --per_file_copt=common/.*,fuzztest/.*,centipede/.*,-centipede/.*fuzz_target,googletest/.*,googlemock/.*@-fsanitize-coverage=0
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### Experimental FuzzTest build configuration.
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#
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# Use with: --config=fuzztest-experimental
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#
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# Use this instead of --config=fuzztest when building test binaries to run with
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# Centipede. Eventually, this will be consolidated with --config=fuzztest.
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# Note that this configuration doesn't include the ASan configuration. If you
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# want to use both, you can use --config=fuzztest-experimental --config=asan.
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build:fuzztest-experimental --config=fuzztest-common
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build:fuzztest-experimental --@com_google_fuzztest//fuzztest:centipede_integration
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# Generate line tables for debugging.
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build:fuzztest-experimental --copt=-gline-tables-only
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build:fuzztest-experimental --strip=never
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# Prevent memcmp & co from being inlined.
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build:fuzztest-experimental --copt=-fno-builtin
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# Disable heap checking.
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build:fuzztest-experimental --copt=-DHEAPCHECK_DISABLE
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# Link statically.
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build:fuzztest-experimental --dynamic_mode=off
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# We apply coverage tracking instrumentation to everything but Centipede and the
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# FuzzTest framework itself (including GoogleTest and GoogleMock).
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# TODO(b/374840534): Add -fsanitize-coverage=control-flow once we start building
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# with clang 16+.
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build:fuzztest-experimental --copt=-fsanitize-coverage=trace-pc-guard,pc-table,trace-loads,trace-cmp
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build:fuzztest-experimental --per_file_copt=common/.*,fuzztest/.*,centipede/.*,-centipede/.*fuzz_target,googletest/.*,googlemock/.*@-fsanitize-coverage=0
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