#
# 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)

ifeq ($(TARGET_ARCH),arm)

ASAN_NEEDS_SEGV=0
ASAN_HAS_EXCEPTIONS=1
ASAN_FLEXIBLE_MAPPING_AND_OFFSET=0

asan_rtl_files := \
	asan_rtl.cc \
	asan_allocator.cc	\
	asan_globals.cc	\
	asan_interceptors.cc	\
	asan_linux.cc \
	asan_malloc_linux.cc \
	asan_malloc_mac.cc \
	asan_new_delete.cc	\
	asan_poisoning.cc	\
	asan_posix.cc \
	asan_printf.cc	\
	asan_stack.cc	\
	asan_stats.cc	\
	asan_thread.cc	\
	asan_thread_registry.cc	\
	interception/interception_linux.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-sign-compare \
	-Wno-unused-parameter \
	-D__WORDSIZE=32

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

asan_test_cflags := \
	-mllvm -asan-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-sign-compare \
	-Wno-unused-parameter \
	-D__WORDSIZE=32


include $(CLEAR_VARS)

LOCAL_MODULE := libasan
LOCAL_MODULE_TAGS := optional
LOCAL_C_INCLUDES := bionic
LOCAL_CFLAGS += $(asan_rtl_cflags)
LOCAL_SRC_FILES := asan_android_stub.cc
LOCAL_CPP_EXTENSION := .cc
LOCAL_CLANG := true
include $(BUILD_STATIC_LIBRARY)


include $(CLEAR_VARS)

LOCAL_MODULE := libasan_preload
LOCAL_MODULE_TAGS := eng
LOCAL_C_INCLUDES := \
  bionic \
  external/stlport/stlport
LOCAL_CFLAGS += $(asan_rtl_cflags)
LOCAL_SRC_FILES := $(asan_rtl_files)
LOCAL_CPP_EXTENSION := .cc
LOCAL_SHARED_LIBRARIES := libc libstlport libdl
LOCAL_CLANG := true
include $(BUILD_SHARED_LIBRARY)


include $(CLEAR_VARS)

LOCAL_MODULE := asanwrapper
LOCAL_MODULE_TAGS := eng
LOCAL_C_INCLUDES := \
        bionic \
        external/stlport/stlport
LOCAL_SRC_FILES := asanwrapper.cc
LOCAL_CPP_EXTENSION := .cc
LOCAL_SHARED_LIBRARIES := libstlport libc

include $(BUILD_EXECUTABLE)


include $(CLEAR_VARS)

LOCAL_MODULE := libasan_noinst_test
LOCAL_MODULE_TAGS := tests
LOCAL_C_INCLUDES := \
        bionic \
        external/stlport/stlport \
        external/gtest/include
LOCAL_CFLAGS += \
        -Wno-unused-parameter \
        -Wno-sign-compare \
        -D__WORDSIZE=32
LOCAL_SRC_FILES := tests/asan_noinst_test.cc
LOCAL_CPP_EXTENSION := .cc
LOCAL_CLANG := true
include $(BUILD_STATIC_LIBRARY)


include $(CLEAR_VARS)

LOCAL_MODULE := asan_test
LOCAL_MODULE_TAGS := tests
LOCAL_C_INCLUDES := \
        bionic \
        external/stlport/stlport \
        external/gtest/include
LOCAL_CFLAGS += $(asan_test_cflags)
LOCAL_SRC_FILES := $(asan_test_files)
LOCAL_CPP_EXTENSION := .cc
LOCAL_STATIC_LIBRARIES := libgtest libasan_noinst_test
LOCAL_SHARED_LIBRARIES := libc libstlport
LOCAL_ADDRESS_SANITIZER := true

include $(BUILD_EXECUTABLE)

# Build output tests for AddressSanitizer.

define asan-output-test
    include $(CLEAR_VARS)
    LOCAL_MODULE := $(1)
    LOCAL_MODULE_PATH := $(TARGET_OUT_EXECUTABLES)/asan
    LOCAL_MODULE_TAGS := tests
    LOCAL_SRC_FILES := output_tests/$(1).cc
    LOCAL_CPP_EXTENSION := .cc
    LOCAL_ADDRESS_SANITIZER := true
    LOCAL_C_INCLUDES := bionic external/stlport/stlport
    LOCAL_CFLAGS := -Wno-unused-parameter
    LOCAL_SHARED_LIBRARIES := libstlport
    include $(BUILD_EXECUTABLE)
endef

define asan-output-test-so
    include $(CLEAR_VARS)
    LOCAL_MODULE := $(1)
    LOCAL_MODULE_TAGS := tests
    LOCAL_MODULE_PATH := $(TARGET_OUT_EXECUTABLES)/asan
    LOCAL_SRC_FILES := output_tests/$(1).cc
    LOCAL_CPP_EXTENSION := .cc
    LOCAL_ADDRESS_SANITIZER := true
    LOCAL_C_INCLUDES := bionic external/stlport/stlport
    LOCAL_CFLAGS := -Wno-unused-parameter
    LOCAL_SHARED_LIBRARIES := libstlport
    include $(BUILD_SHARED_LIBRARY)
endef

OUTPUT_TESTS := \
  clone_test \
  deep_tail_call \
  dlclose-test \
  dlclose-test-so \
  global-overflow \
  heap-overflow \
  large_func_test \
  null_deref \
  shared-lib-test \
  shared-lib-test-so \
  stack-overflow \
  strncpy-overflow \
  use-after-free

$(foreach test,$(filter %-so,$(OUTPUT_TESTS)),$(eval $(call asan-output-test-so,$(test))))
$(foreach test,$(filter-out %-so,$(OUTPUT_TESTS)),$(eval $(call asan-output-test,$(test))))

endif # ifeq($(TARGET_ARCH),arm)