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Android.bp
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//
// Copyright (C) 2019 The Android Open Source Project
//
// 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.
//
package {
default_applicable_licenses: ["external_gwp_asan_license"],
}
// Added automatically by a large-scale-change that took the approach of
// 'apply every license found to every target'. While this makes sure we respect
// every license restriction, it may not be entirely correct.
//
// e.g. GPL in an MIT project might only apply to the contrib/ directory.
//
// Please consider splitting the single license below into multiple licenses,
// taking care not to lose any license_kind information, and overriding the
// default license using the 'licenses: [...]' property on targets as needed.
//
// For unused files, consider creating a 'fileGroup' with "//visibility:private"
// to attach the license to, and including a comment whether the files may be
// used in the current project.
// See: http://go/android-license-faq
license {
name: "external_gwp_asan_license",
visibility: [":__subpackages__"],
license_kinds: [
"SPDX-license-identifier-Apache-2.0",
"SPDX-license-identifier-BSD",
"SPDX-license-identifier-MIT",
"SPDX-license-identifier-NCSA",
],
license_text: [
"LICENSE.TXT",
],
}
cc_defaults {
name: "gwp_asan_defaults",
host_supported: true,
vendor_available: true,
product_available: true,
recovery_available: true,
native_bridge_supported: true,
ramdisk_available: true,
vendor_ramdisk_available: true,
// GWP-ASan currently has no support for darwin.
target: {
darwin: {
enabled: false,
},
},
min_sdk_version: "S",
}
cc_defaults {
name: "gwp_asan_no_libs_defaults",
defaults: ["gwp_asan_defaults"],
// GWP-ASan is used by bionic libc, and should have no libc/libc++
// dependencies.
system_shared_libs: [],
stl: "none",
}
cc_library_headers {
name: "gwp_asan_headers",
defaults: [
"gwp_asan_defaults",
"gwp_asan_no_libs_defaults",
],
export_include_dirs: [
".",
],
apex_available: [
// This header lib is compiled also as part of the platform due to libasync_safe
// and others that are compiled with this header and are statically included
// in the platform side.
"//apex_available:platform",
"com.android.runtime",
// GWP-ASan headers are currently referenced by the following additional APEXes
"com.android.art",
"com.android.art.debug",
"com.android.media",
"com.android.media.swcodec",
],
}
// Only static linkage is provided for performance reasons.
cc_library_static {
name: "gwp_asan",
defaults: ["gwp_asan_no_libs_defaults"],
header_libs: [
"gwp_asan_headers",
"libc_headers", // Required for pthread.h in mutex.h.
],
srcs: [
"gwp_asan/common.cpp",
"gwp_asan/guarded_pool_allocator.cpp",
"gwp_asan/platform_specific/common_posix.cpp",
"gwp_asan/platform_specific/guarded_pool_allocator_posix.cpp",
"gwp_asan/platform_specific/mutex_posix.cpp",
"gwp_asan/platform_specific/utilities_posix.cpp",
"gwp_asan/stack_trace_compressor.cpp",
],
// GWP-ASan requires platform (non-emulated) TLS. We use thread local
// variables in the core, inlined interface to GWP-ASan.
cflags: [
"-fno-emulated-tls",
],
apex_available: [
// Required to not occlude the default platform variation from being
// skipped by the apex mutator. If this happens - the license file for
// the static GWP-ASan library won't be generated, and you'll get errors
// at build time.
"//apex_available:platform",
"com.android.runtime", // GWP-ASan is used in libc.
"com.android.media.swcodec", // libc_scudo (from media) uses GWP-ASan.
],
}
// GWP-ASan crash handler API. Provides all the tools you need to symbolize a
// GWP-ASan crash.
cc_library {
name: "gwp_asan_crash_handler",
defaults: ["gwp_asan_defaults"],
header_libs: [
"gwp_asan_headers",
"libc_headers", // Required for assert.h
],
srcs: [
"gwp_asan/common.cpp",
"gwp_asan/crash_handler.cpp",
"gwp_asan/platform_specific/common_posix.cpp",
"gwp_asan/platform_specific/utilities_posix.cpp",
"gwp_asan/stack_trace_compressor.cpp",
],
apex_available: [
"//apex_available:platform",
"com.android.runtime",
],
}
cc_fuzz {
name: "stack_trace_compressor_fuzzer",
host_supported: true,
srcs: ["tools/stack_trace_compressor_fuzzer.cpp"],
static_libs: ["gwp_asan"],
}
cc_fuzz {
name: "options_parser_fuzzer",
host_supported: true,
srcs: [
"tools/options_parser_fuzzer.cpp",
"gwp_asan/optional/options_parser.cpp",
],
static_libs: ["gwp_asan"],
}
// These unit tests are also continuously run upstream in LLVM's buildbots.
cc_test {
name: "gwp_asan_unittest",
defaults: ["linux_bionic_supported"],
static_libs: [
"gwp_asan",
"gwp_asan_crash_handler",
"libasync_safe",
"liblog",
"libunwindstack_no_dex",
"liblzma", // Dependency from libunwindstack.
],
shared_libs: [
"libbase",
],
ldflags: [
// Ensure that ICF doesn't clobber DeallocateMemory2 into
// DeallocateMemory in tests/backtrace.cpp. This is done in the linker,
// so `optnone` in the function declaration doesn't help.
"-Wl,--icf=none",
],
srcs: [
"android/test_backtrace.cpp",
"android/test_printf.cpp",
"gwp_asan/optional/options_parser.cpp",
"gwp_asan/optional/segv_handler_posix.cpp",
"gwp_asan/tests/alignment.cpp",
"gwp_asan/tests/backtrace.cpp",
"gwp_asan/tests/basic.cpp",
"gwp_asan/tests/compression.cpp",
"gwp_asan/tests/crash_handler_api.cpp",
"gwp_asan/tests/enable_disable.cpp",
"gwp_asan/tests/harness.cpp",
"gwp_asan/tests/iterate.cpp",
"gwp_asan/tests/late_init.cpp",
"gwp_asan/tests/mutex_test.cpp",
"gwp_asan/tests/options.cpp",
"gwp_asan/tests/slot_reuse.cpp",
"gwp_asan/tests/thread_contention.cpp",
],
include_dirs: ["bionic/libc/async_safe/include"],
test_suites: ["general-tests"],
cflags: [
// GWP-ASan requires anything that uses GuardedPoolAllocator headers to
// use platform (ELF) TLS.
"-fno-emulated-tls",
// Ensure that the helper functions in test/backtrace.cpp don't get
// tail-call optimised, as this breaks the unwind chain.
"-fno-optimize-sibling-calls",
// The experimental pass manager seems to kill __attribute__((optnone)),
// and so we disable it (as we rely on optnone for tests/backtrace.cpp).
"-fno-experimental-new-pass-manager",
],
}