#
# Copyright (C) 2012 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.
#
#

LOCAL_PATH:= $(call my-dir)

ASAN_NEEDS_SEGV=0
ASAN_HAS_EXCEPTIONS=1
ASAN_FLEXIBLE_MAPPING_AND_OFFSET=0

asan_rtl_files := \
  asan_activation.cc \
  asan_allocator.cc \
  asan_fake_stack.cc \
  asan_flags.cc \
  asan_globals.cc \
  asan_interceptors.cc \
  asan_linux.cc \
  asan_mac.cc \
  asan_malloc_linux.cc \
  asan_malloc_mac.cc \
  asan_malloc_win.cc \
  asan_poisoning.cc \
  asan_posix.cc \
  asan_report.cc \
  asan_rtl.cc \
  asan_stack.cc \
  asan_stats.cc \
  asan_suppressions.cc \
  asan_thread.cc \
  asan_win.cc \
  ../interception/interception_linux.cc \
  ../lsan/lsan_common.cc \
  ../lsan/lsan_common_linux.cc \
  ../sanitizer_common/sanitizer_allocator.cc \
  ../sanitizer_common/sanitizer_common.cc \
  ../sanitizer_common/sanitizer_common_libcdep.cc \
  ../sanitizer_common/sanitizer_coverage_libcdep.cc \
  ../sanitizer_common/sanitizer_coverage_mapping_libcdep.cc \
  ../sanitizer_common/sanitizer_deadlock_detector1.cc \
  ../sanitizer_common/sanitizer_deadlock_detector2.cc \
  ../sanitizer_common/sanitizer_flags.cc \
  ../sanitizer_common/sanitizer_flag_parser.cc \
  ../sanitizer_common/sanitizer_libc.cc \
  ../sanitizer_common/sanitizer_libignore.cc \
  ../sanitizer_common/sanitizer_linux.cc \
  ../sanitizer_common/sanitizer_linux_libcdep.cc \
  ../sanitizer_common/sanitizer_mac.cc \
  ../sanitizer_common/sanitizer_persistent_allocator.cc \
  ../sanitizer_common/sanitizer_platform_limits_linux.cc \
  ../sanitizer_common/sanitizer_platform_limits_posix.cc \
  ../sanitizer_common/sanitizer_posix.cc \
  ../sanitizer_common/sanitizer_posix_libcdep.cc \
  ../sanitizer_common/sanitizer_printf.cc \
  ../sanitizer_common/sanitizer_procmaps_common.cc \
  ../sanitizer_common/sanitizer_procmaps_freebsd.cc \
  ../sanitizer_common/sanitizer_procmaps_linux.cc \
  ../sanitizer_common/sanitizer_procmaps_mac.cc \
  ../sanitizer_common/sanitizer_stackdepot.cc \
  ../sanitizer_common/sanitizer_stacktrace.cc \
  ../sanitizer_common/sanitizer_stacktrace_libcdep.cc \
  ../sanitizer_common/sanitizer_stacktrace_printer.cc \
  ../sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc \
  ../sanitizer_common/sanitizer_suppressions.cc \
  ../sanitizer_common/sanitizer_symbolizer.cc \
  ../sanitizer_common/sanitizer_symbolizer_libbacktrace.cc \
  ../sanitizer_common/sanitizer_symbolizer_libcdep.cc \
  ../sanitizer_common/sanitizer_symbolizer_posix_libcdep.cc \
  ../sanitizer_common/sanitizer_symbolizer_process_libcdep.cc \
  ../sanitizer_common/sanitizer_symbolizer_win.cc \
  ../sanitizer_common/sanitizer_thread_registry.cc \
  ../sanitizer_common/sanitizer_tls_get_addr.cc \
  ../sanitizer_common/sanitizer_unwind_posix_libcdep.cc \
  ../sanitizer_common/sanitizer_win.cc \

asan_rtl_cxx_files := \
	asan_new_delete.cc	\

asan_rtl_cflags := \
	-fvisibility=hidden \
	-fno-exceptions \
	-DASAN_LOW_MEMORY=1 \
	-DASAN_NEEDS_SEGV=$(ASAN_NEEDS_SEGV) \
	-DASAN_HAS_EXCEPTIONS=$(ASAN_HAS_EXCEPTIONS) \
	-DASAN_FLEXIBLE_MAPPING_AND_OFFSET=$(ASAN_FLEXIBLE_MAPPING_AND_OFFSET) \
	-Wno-covered-switch-default \
	-Wno-non-virtual-dtor \
	-Wno-sign-compare \
	-Wno-unused-parameter \
	-std=c++11 \
	-fno-rtti \
	-fno-builtin

asan_test_files := \
	tests/asan_globals_test.cc \
	tests/asan_test.cc

#tests/asan_noinst_test.cc \
#tests/asan_test_main.cc \

asan_test_cflags := \
	-fsanitize-blacklist=external/compiler-rt/lib/asan/tests/asan_test.ignore \
	-DASAN_LOW_MEMORY=1 \
	-DASAN_UAR=0 \
	-DASAN_NEEDS_SEGV=$(ASAN_NEEDS_SEGV) \
	-DASAN_HAS_EXCEPTIONS=$(ASAN_HAS_EXCEPTIONS) \
	-DASAN_HAS_BLACKLIST=1 \
	-Wno-covered-switch-default \
	-Wno-non-virtual-dtor \
	-Wno-sign-compare \
	-Wno-unused-parameter \
	-std=c++11


include $(CLEAR_VARS)

LOCAL_MODULE := libasan
LOCAL_C_INCLUDES := \
    external/compiler-rt/lib \
    external/compiler-rt/include
LOCAL_CFLAGS += $(asan_rtl_cflags)
LOCAL_SRC_FILES := asan_preinit.cc
LOCAL_CPP_EXTENSION := .cc
LOCAL_CLANG := true
LOCAL_SANITIZE := never
LOCAL_MODULE_TARGET_ARCH := arm arm64
include $(BUILD_STATIC_LIBRARY)

define build-asan-rt-shared-library

include $(CLEAR_VARS)
LOCAL_MODULE := $(1)
LOCAL_MULTILIB := $(2)
# This library must go on /system partition, even in SANITIZE_TARGET mode (when all libraries are
# installed on /data). That's because /data may not be available until vold does some magic and
# vold itself depends on this library.
LOCAL_MODULE_PATH_32 := $(TARGET_OUT)/lib
LOCAL_MODULE_PATH_64 := $(TARGET_OUT)/lib64
# We need to unwind by frame pointers through a small portion of ASan runtime library code,
# and that only works with ARM, not with Thumb.
LOCAL_ARM_MODE := arm
LOCAL_C_INCLUDES := \
  external/compiler-rt/lib \
  external/compiler-rt/include
LOCAL_CFLAGS += $(asan_rtl_cflags)
LOCAL_SRC_FILES := $(asan_rtl_files) $(asan_rtl_cxx_files)
LOCAL_CPP_EXTENSION := .cc
LOCAL_SHARED_LIBRARIES := liblog libc libdl
LOCAL_STATIC_LIBRARIES := libcompiler_rt libubsan
LOCAL_STATIC_LIBRARIES_arm := libunwind_llvm
LOCAL_LDFLAGS_arm := -Wl,--exclude-libs,libunwind_llvm.a
# MacOS toolchain is out-of-date and does not support -z global.
# TODO: re-enable once the toolchain issue is fixed.
ifneq ($(HOST_OS),darwin)
  LOCAL_LDFLAGS += -Wl,-z,global
endif
LOCAL_CLANG := true
LOCAL_SANITIZE := never
LOCAL_MODULE_TARGET_ARCH := arm arm64
LOCAL_CXX_STL := none
include $(BUILD_SHARED_LIBRARY)

endef

ifeq (true,$(FORCE_BUILD_SANITIZER_SHARED_OBJECTS))
ifdef 2ND_ADDRESS_SANITIZER_RUNTIME_LIBRARY
  $(eval $(call build-asan-rt-shared-library,$(ADDRESS_SANITIZER_RUNTIME_LIBRARY),64))
  $(eval $(call build-asan-rt-shared-library,$(2ND_ADDRESS_SANITIZER_RUNTIME_LIBRARY),32))
else
  $(eval $(call build-asan-rt-shared-library,$(ADDRESS_SANITIZER_RUNTIME_LIBRARY),32))
endif
endif

include $(CLEAR_VARS)

LOCAL_MODULE := asanwrapper
LOCAL_SRC_FILES := asanwrapper.cc
LOCAL_CPP_EXTENSION := .cc
LOCAL_CPPFLAGS := -std=c++11
LOCAL_SHARED_LIBRARIES += libc
LOCAL_SANITIZE := never
LOCAL_MODULE_TARGET_ARCH := arm arm64
LOCAL_CXX_STL := libc++

include $(BUILD_EXECUTABLE)

ifneq (true,$(SKIP_LLVM_TESTS))

include $(CLEAR_VARS)

LOCAL_MODULE := libasan_noinst_test
LOCAL_MODULE_TAGS := tests
LOCAL_C_INCLUDES := \
    external/compiler-rt/include \
    external/compiler-rt/lib \
    external/compiler-rt/lib/asan/tests \
    external/compiler-rt/lib/sanitizer_common/tests
LOCAL_CFLAGS += \
    -Wno-non-virtual-dtor \
    -Wno-unused-parameter \
    -Wno-sign-compare \
    -DASAN_UAR=0 \
    -DASAN_HAS_BLACKLIST=1 \
    -DASAN_HAS_EXCEPTIONS=$(ASAN_HAS_EXCEPTIONS) \
    -DASAN_NEEDS_SEGV=$(ASAN_NEEDS_SEGV) \
    -std=c++11
LOCAL_SRC_FILES := tests/asan_noinst_test.cc tests/asan_test_main.cc
LOCAL_CPP_EXTENSION := .cc
LOCAL_CLANG := true
LOCAL_SANITIZE := never
LOCAL_MODULE_TARGET_ARCH := arm arm64
LOCAL_CXX_STL := libc++

include $(BUILD_STATIC_TEST_LIBRARY)


include $(CLEAR_VARS)

LOCAL_MODULE := asan_test
LOCAL_MODULE_TAGS := tests
LOCAL_C_INCLUDES := \
    external/compiler-rt/lib \
    external/compiler-rt/lib/asan/tests \
    external/compiler-rt/lib/sanitizer_common/tests
LOCAL_CFLAGS += $(asan_test_cflags)
LOCAL_SRC_FILES := $(asan_test_files)
LOCAL_CPP_EXTENSION := .cc
LOCAL_STATIC_LIBRARIES := libasan_noinst_test
LOCAL_SHARED_LIBRARIES := libc
LOCAL_SANITIZE := address
LOCAL_CLANG := true
LOCAL_MODULE_TARGET_ARCH := arm arm64
LOCAL_CXX_STL := libc++

include $(BUILD_NATIVE_TEST)

endif # SKIP_LLVM_TESTS

################################################################################
# Host modules

ifneq ($(HOST_OS),darwin)
include $(CLEAR_VARS)
LOCAL_MODULE := libasan
LOCAL_C_INCLUDES := external/compiler-rt/lib external/compiler-rt/include
LOCAL_CFLAGS += $(asan_rtl_cflags)
LOCAL_SRC_FILES := $(asan_rtl_files)
LOCAL_CPP_EXTENSION := .cc
LOCAL_CLANG := true
LOCAL_MULTILIB := both
LOCAL_SANITIZE := never
LOCAL_WHOLE_STATIC_LIBRARIES := libubsan
include $(BUILD_HOST_STATIC_LIBRARY)

include $(CLEAR_VARS)
LOCAL_MODULE := libasan_cxx
LOCAL_C_INCLUDES := external/compiler-rt/lib external/compiler-rt/include
LOCAL_CFLAGS += $(asan_rtl_cflags)
LOCAL_SRC_FILES := $(asan_rtl_cxx_files)
LOCAL_CPP_EXTENSION := .cc
LOCAL_CLANG := true
LOCAL_MULTILIB := both
LOCAL_SANITIZE := never
include $(BUILD_HOST_STATIC_LIBRARY)

ifneq (true,$(SKIP_LLVM_TESTS))

include $(CLEAR_VARS)
LOCAL_MODULE := libasan_noinst_test
LOCAL_MODULE_TAGS := tests
LOCAL_C_INCLUDES := \
    external/compiler-rt/include \
    external/compiler-rt/lib \
    external/compiler-rt/lib/asan/tests \
    external/compiler-rt/lib/sanitizer_common/tests
LOCAL_CFLAGS += \
    -Wno-unused-parameter \
    -Wno-sign-compare \
    -DASAN_UAR=0 \
    -DASAN_HAS_BLACKLIST=1 \
    -DASAN_HAS_EXCEPTIONS=$(ASAN_HAS_EXCEPTIONS) \
    -DASAN_NEEDS_SEGV=$(ASAN_NEEDS_SEGV) \
    -std=c++11
LOCAL_SRC_FILES := tests/asan_noinst_test.cc tests/asan_test_main.cc
LOCAL_CPP_EXTENSION := .cc
LOCAL_CLANG := true
LOCAL_CXX_STL := libc++
LOCAL_MULTILIB := both
LOCAL_SANITIZE := never
include $(BUILD_HOST_STATIC_TEST_LIBRARY)

include $(CLEAR_VARS)
LOCAL_MODULE := asan_test
LOCAL_MODULE_TAGS := tests
LOCAL_C_INCLUDES := \
    external/compiler-rt/lib \
    external/compiler-rt/lib/asan/tests \
    external/compiler-rt/lib/sanitizer_common/tests
LOCAL_CFLAGS += $(asan_test_cflags)
LOCAL_SRC_FILES := $(asan_test_files)
LOCAL_CPP_EXTENSION := .cc
LOCAL_STATIC_LIBRARIES := libasan_noinst_test
LOCAL_SANITIZE := address
LOCAL_CLANG := true
LOCAL_CXX_STL := libc++
LOCAL_MULTILIB := both
LOCAL_LDLIBS := -lrt
LOCAL_MODULE_STEM_32 := $(LOCAL_MODULE)32
LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
include $(BUILD_HOST_NATIVE_TEST)
endif # SKIP_LLVM_TESTS
endif