TARGET_linux-x86_64.mk revision b47c863ec7d7b0d6806d7ea85887c662893a2c70 
1#
2# Copyright (C) 2006 The Android Open Source Project
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16
17# Configuration for Linux on x86_64 as a target.
18# Included by combo/select.mk
19
20# Provide a default variant.
21ifeq ($(strip $(TARGET_ARCH_VARIANT)),)
22TARGET_ARCH_VARIANT := x86_64
23endif
24
25ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),)
26TARGET_GCC_VERSION := 4.8
27else
28TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP)
29endif
30
31TARGET_IS_64_BIT := true
32
33# Include the arch-variant-specific configuration file.
34# Its role is to define various ARCH_X86_HAVE_XXX feature macros,
35# plus initial values for TARGET_GLOBAL_CFLAGS
36#
37TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk
38ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),)
39$(error Unknown $(TARGET_ARCH) architecture version: $(TARGET_ARCH_VARIANT))
40endif
41
42include $(TARGET_ARCH_SPECIFIC_MAKEFILE)
43
44
45# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else
46ifeq ($(strip $(TARGET_TOOLS_PREFIX)),)
47TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/x86/x86_64-linux-android-$(TARGET_GCC_VERSION)
48TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/x86_64-linux-android-
49endif
50
51TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)
52TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX)
53TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX)
54TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX)
55TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX)
56TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX)
57
58ifeq ($(TARGET_BUILD_VARIANT),user)
59TARGET_STRIP_COMMAND = $(PRIVATE_STRIP) --strip-all $< -o $@
60else
61TARGET_STRIP_COMMAND = $(PRIVATE_STRIP) --strip-all $< -o $@ && \
62	$(PRIVATE_OBJCOPY) --add-gnu-debuglink=$< $@
63endif
64
65ifneq ($(wildcard $(TARGET_CC)),)
66TARGET_LIBGCC := \
67	$(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a)
68target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
69	-print-file-name=libgcov.a)
70endif
71
72TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
73
74libc_root := bionic/libc
75libm_root := bionic/libm
76libstdc++_root := bionic/libstdc++
77
78# Define FDO (Feedback Directed Optimization) options.
79
80TARGET_FDO_CFLAGS:=
81TARGET_FDO_LIB:=
82
83ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
84  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
85  # The profile will be generated on /data/local/tmp/profile on the device.
86  TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
87  TARGET_FDO_LIB := $(target_libgcov)
88else
89  # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
90  # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
91  ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),)
92    TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT)
93  else
94    ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
95      $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
96    endif
97  endif
98
99  # If the FDO profile directory can't be found, then FDO is off.
100  ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
101    TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
102    TARGET_FDO_LIB := $(target_libgcov)
103  endif
104endif
105
106KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
107KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
108KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
109
110TARGET_GLOBAL_CFLAGS += \
111			-O2 \
112			-Ulinux \
113			-Wa,--noexecstack \
114			-Werror=format-security \
115			-D_FORTIFY_SOURCE=2 \
116			-Wstrict-aliasing=2 \
117			-fPIC -fPIE \
118			-ffunction-sections \
119			-finline-functions \
120			-finline-limit=300 \
121			-fno-inline-functions-called-once \
122			-fno-short-enums \
123			-fstrict-aliasing \
124			-funswitch-loops \
125			-funwind-tables \
126			-fstack-protector \
127			-m64
128
129# Help catch common 32/64-bit errors.
130TARGET_GLOBAL_CFLAGS += \
131    -Werror=pointer-to-int-cast \
132    -Werror=int-to-pointer-cast \
133
134android_config_h := $(call select-android-config-h,target_linux-x86)
135TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h))
136TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS)
137
138TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
139
140ifeq ($(ARCH_X86_HAVE_SSSE3),true)   # yes, really SSSE3, not SSE3!
141    TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3
142endif
143ifeq ($(ARCH_X86_HAVE_SSE4),true)
144    TARGET_GLOBAL_CFLAGS += -msse4
145endif
146ifeq ($(ARCH_X86_HAVE_SSE4_1),true)
147    TARGET_GLOBAL_CFLAGS += -msse4.1
148endif
149ifeq ($(ARCH_X86_HAVE_SSE4_2),true)
150    TARGET_GLOBAL_CFLAGS += -msse4.2
151endif
152ifeq ($(ARCH_X86_HAVE_AVX),true)
153    TARGET_GLOBAL_CFLAGS += -mavx
154endif
155ifeq ($(ARCH_X86_HAVE_AES_NI),true)
156    TARGET_GLOBAL_CFLAGS += -maes
157endif
158
159TARGET_GLOBAL_LDFLAGS += -m64
160
161TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
162TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
163TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
164TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
165
166TARGET_C_INCLUDES := \
167	$(libc_root)/arch-x86_64/include \
168	$(libc_root)/include \
169	$(libstdc++_root)/include \
170	$(KERNEL_HEADERS) \
171	$(libm_root)/include \
172	$(libm_root)/include/amd64 \
173
174TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
175TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
176TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
177
178TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
179TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
180
181TARGET_STRIP_MODULE:=true
182
183TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
184
185TARGET_CUSTOM_LD_COMMAND := true
186define transform-o-to-shared-lib-inner
187$(hide) $(PRIVATE_CXX) \
188	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
189	 -nostdlib -Wl,-soname,$(notdir $@) \
190	 -shared -Bsymbolic \
191	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
192	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
193	$(PRIVATE_ALL_OBJECTS) \
194	-Wl,--whole-archive \
195	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
196	-Wl,--no-whole-archive \
197	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
198	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
199	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
200	$(PRIVATE_TARGET_LIBGCC) \
201	$(PRIVATE_TARGET_FDO_LIB) \
202	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
203	-o $@ \
204	$(PRIVATE_LDFLAGS) \
205	$(PRIVATE_TARGET_LIBGCC) \
206	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
207endef
208
209define transform-o-to-executable-inner
210$(hide) $(PRIVATE_CXX) \
211	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
212	-nostdlib -Bdynamic \
213	-Wl,-z,nocopyreloc \
214	-fPIE -pie \
215	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
216	-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
217	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
218	$(PRIVATE_ALL_OBJECTS) \
219	-Wl,--whole-archive \
220	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
221	-Wl,--no-whole-archive \
222	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
223	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
224	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
225	$(PRIVATE_TARGET_LIBGCC) \
226	$(PRIVATE_TARGET_FDO_LIB) \
227	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
228	-o $@ \
229	$(PRIVATE_LDFLAGS) \
230	$(PRIVATE_TARGET_LIBGCC) \
231	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
232endef
233
234define transform-o-to-static-executable-inner
235$(hide) $(PRIVATE_CXX) \
236	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
237	-nostdlib -Bstatic \
238	-o $@ \
239	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
240	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
241	$(PRIVATE_LDFLAGS) \
242	$(PRIVATE_ALL_OBJECTS) \
243	-Wl,--whole-archive \
244	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
245	-Wl,--no-whole-archive \
246	-Wl,--start-group \
247	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
248	$(PRIVATE_TARGET_FDO_LIB) \
249	$(PRIVATE_TARGET_LIBGCC) \
250	-Wl,--end-group \
251	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
252endef
253