# Copyright (C) 2021 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_DIR := $(GET_LOCAL_DIR)
MODULE := $(LOCAL_DIR)
SCUDO_DIR := $(
call FIND_EXTERNAL,scudo)
MODULE_INCLUDES += \
$(SCUDO_DIR)/standalone \
$(SCUDO_DIR)/standalone/
include \
# These C/C++ flags are copied from the Android.bp build rules for Scudo.
MODULE_CFLAGS += \
-fno-rtti \
-fno-stack-protector \
-fno-emulated-tls \
-Wno-unused-result \
-DSCUDO_MIN_ALIGNMENT_LOG=
4 \
MODULE_CPPFLAGS += \
-fno-exceptions \
-nostdinc++ \
# Set the default options to Trusty-specific values
MODULE_COMPILEFLAGS += \
-DSCUDO_DEFAULT_OPTIONS=
"allocation_ring_buffer_size=0"
# scudo should be freestanding, but the rest of the app should not be.
MODULE_COMPILEFLAGS += -ffreestanding
# WARNING: while libstdc++-trusty continues to define `new` and `delete`,
# it's possible that the symbols for those will be chosen over the ones
# Scudo defines (also weak). None of the C++ sources below require any
# STL headers but, if that changes, care will need to be taken to avoid
# non-Scudo-defined `new` and `delete` from getting linked when STL headers
# are desired.
MODULE_SRCS += \
$(SCUDO_DIR)/standalone/checksum.cpp \
$(SCUDO_DIR)/standalone/common.cpp \
$(SCUDO_DIR)/standalone/crc32_hw.cpp \
$(SCUDO_DIR)/standalone/flags.cpp \
$(SCUDO_DIR)/standalone/flags_parser.cpp \
$(SCUDO_DIR)/standalone/mem_map.cpp \
$(SCUDO_DIR)/standalone/release.cpp \
$(SCUDO_DIR)/standalone/report.cpp \
$(SCUDO_DIR)/standalone/report_linux.cpp \
$(SCUDO_DIR)/standalone/string_utils.cpp \
$(SCUDO_DIR)/standalone/trusty.cpp \
$(SCUDO_DIR)/standalone/wrappers_c.cpp \
$(SCUDO_DIR)/standalone/wrappers_cpp.cpp \
# Add dependency on syscall-stubs
MODULE_LIBRARY_DEPS += trusty/user/base/lib/syscall-stubs
# Add src dependency on syscall header to ensure it is generated before we try
# to build
include trusty/user/base/lib/syscall-stubs/common-inc.mk
MODULE_SRCDEPS += $(SYSCALL_H)
include make/library.mk
