1# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 2# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without modification, 5# are permitted provided that the following conditions are met: 6# 7# 1. Redistributions of source code must retain the above copyright notice, this list of 8# conditions and the following disclaimer. 9# 10# 2. Redistributions in binary form must reproduce the above copyright notice, this list 11# of conditions and the following disclaimer in the documentation and/or other materials 12# provided with the distribution. 13# 14# 3. Neither the name of the copyright holder nor the names of its contributors may be used 15# to endorse or promote products derived from this software without specific prior written 16# permission. 17# 18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 22# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 23# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 25# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 27# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 28# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30include $(LITEOSTOPDIR)/config.mk 31 32VDSO_SO = $(OUT)/lib/OHOS-vdso.so 33 34VDSO_SRCS := los_vdso_sys.c 35VDSO_INCLUDE := -I $(LITEOSTOPDIR)/kernel/extended/vdso/include \ 36 -I $(LITEOSTOPDIR)/kernel/include \ 37 -I $(LITEOSTOPDIR)/platform \ 38 -I $(LITEOSTOPDIR)/bsd/compat/linuxkpi/include 39 40VDSO_CCFLAGS := $(filter-out -nostdinc,$(LITEOS_COPTS)) 41VDSO_CCFLAGS += -fPIC -O2 -D_XOPEN_SOURCE=700 42 43VDSO_LDFLAGS := -shared -Wl,-s,-Bsymbolic,-Tlos_vdso.ld 44 45all: $(VDSO_SO) 46$(VDSO_SO): $(VDSO_SRCS) 47 $(HIDE)$(CC) $(VDSO_INCLUDE) $(VDSO_CCFLAGS) $(VDSO_LDFLAGS) -o $@ $^ 48 49clean: 50 $(HIDE)$(RM) $(VDSO_SO) 51