TARGET_linux-x86_64.mk revision a1779eb11b3f175286b27fa7fe165f228de825ea 
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 := 4.7
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 = $(TARGET_STRIP) --strip-debug $< -o $@
60else
61TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-debug $< -o $@ && \
62	$(TARGET_OBJCOPY) --add-gnu-debuglink=$< $@
63endif
64
65ifneq ($(wildcard $(TARGET_CC)),)
66TARGET_LIBGCC := \
67	$(shell $(TARGET_CC) -m64 -print-file-name=libgcc.a)
68target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \
69	-print-file-name=libgcov.a)
70endif
71
72TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
73
74libc_root := bionic/libc
75libm_root := bionic/libm
76libstdc++_root := bionic/libstdc++
77libthread_db_root := bionic/libthread_db
78
79# Define FDO (Feedback Directed Optimization) options.
80
81TARGET_FDO_CFLAGS:=
82TARGET_FDO_LIB:=
83
84ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),)
85  # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation.
86  # The profile will be generated on /data/local/tmp/profile on the device.
87  TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO
88  TARGET_FDO_LIB := $(target_libgcov)
89else
90  # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations.
91  # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build.
92  ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),)
93    TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT)
94  else
95    ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
96      $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.)
97    endif
98  endif
99
100  # If the FDO profile directory can't be found, then FDO is off.
101  ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),)
102    TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO
103    TARGET_FDO_LIB := $(target_libgcov)
104  endif
105endif
106
107# unless CUSTOM_KERNEL_HEADERS is defined, we're going to use
108# symlinks located in out/ to point to the appropriate kernel
109# headers. see 'config/kernel_headers.make' for more details
110#
111ifneq ($(CUSTOM_KERNEL_HEADERS),)
112    KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS)
113    KERNEL_HEADERS_ARCH   := $(CUSTOM_KERNEL_HEADERS)
114else
115    KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi
116    KERNEL_HEADERS_ARCH   := $(libc_root)/kernel/uapi/asm-x86 # x86 covers both x86 and x86_64.
117endif
118KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH)
119
120TARGET_GLOBAL_CFLAGS += \
121			-O2 \
122			-Ulinux \
123			-Wa,--noexecstack \
124			-Werror=format-security \
125			-D_FORTIFY_SOURCE=2 \
126			-Wstrict-aliasing=2 \
127			-fPIC -fPIE \
128			-ffunction-sections \
129			-finline-functions \
130			-finline-limit=300 \
131			-fno-inline-functions-called-once \
132			-fno-short-enums \
133			-fstrict-aliasing \
134			-funswitch-loops \
135			-funwind-tables \
136			-fstack-protector \
137			-m64
138
139android_config_h := $(call select-android-config-h,target_linux-x86)
140TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h))
141TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS)
142
143TARGET_GLOBAL_CFLAGS += $(arch_variant_cflags)
144
145ifeq ($(ARCH_X86_HAVE_SSSE3),true)   # yes, really SSSE3, not SSE3!
146    TARGET_GLOBAL_CFLAGS += -DUSE_SSSE3 -mssse3
147endif
148ifeq ($(ARCH_X86_HAVE_SSE4),true)
149    TARGET_GLOBAL_CFLAGS += -msse4
150endif
151ifeq ($(ARCH_X86_HAVE_SSE4_1),true)
152    TARGET_GLOBAL_CFLAGS += -msse4.1
153endif
154ifeq ($(ARCH_X86_HAVE_SSE4_2),true)
155    TARGET_GLOBAL_CFLAGS += -msse4.2
156endif
157ifeq ($(ARCH_X86_HAVE_AVX),true)
158    TARGET_GLOBAL_CFLAGS += -mavx
159endif
160ifeq ($(ARCH_X86_HAVE_AES_NI),true)
161    TARGET_GLOBAL_CFLAGS += -maes
162endif
163
164TARGET_GLOBAL_LDFLAGS += -m64
165
166TARGET_GLOBAL_LDFLAGS += -Wl,-z,noexecstack
167TARGET_GLOBAL_LDFLAGS += -Wl,-z,relro -Wl,-z,now
168TARGET_GLOBAL_LDFLAGS += -Wl,--warn-shared-textrel
169TARGET_GLOBAL_LDFLAGS += -Wl,--gc-sections
170
171TARGET_C_INCLUDES := \
172	$(libc_root)/arch-x86_64/include \
173	$(libc_root)/include \
174	$(libstdc++_root)/include \
175	$(KERNEL_HEADERS) \
176	$(libm_root)/include \
177	$(libm_root)/include/amd64 \
178	$(libthread_db_root)/include
179
180TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o
181TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o
182TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o
183
184TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o
185TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o
186
187TARGET_STRIP_MODULE:=true
188
189TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm
190
191TARGET_CUSTOM_LD_COMMAND := true
192define transform-o-to-shared-lib-inner
193$(hide) $(PRIVATE_CXX) \
194	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
195	 -nostdlib -Wl,-soname,$(notdir $@) \
196	 -shared -Bsymbolic \
197	$(TARGET_GLOBAL_CFLAGS) \
198	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
199	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
200	$(PRIVATE_ALL_OBJECTS) \
201	-Wl,--whole-archive \
202	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
203	-Wl,--no-whole-archive \
204	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
205	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
206	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
207	$(PRIVATE_TARGET_LIBGCC) \
208	$(PRIVATE_TARGET_FDO_LIB) \
209	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
210	-o $@ \
211	$(PRIVATE_LDFLAGS) \
212	$(PRIVATE_TARGET_LIBGCC) \
213	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O))
214endef
215
216define transform-o-to-executable-inner
217$(hide) $(PRIVATE_CXX) \
218	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
219	-nostdlib -Bdynamic \
220	-Wl,-z,nocopyreloc \
221	-fPIE -pie \
222	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
223	-Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \
224	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \
225	$(PRIVATE_ALL_OBJECTS) \
226	-Wl,--whole-archive \
227	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
228	-Wl,--no-whole-archive \
229	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \
230	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
231	$(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \
232	$(PRIVATE_TARGET_LIBGCC) \
233	$(PRIVATE_TARGET_FDO_LIB) \
234	$(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \
235	-o $@ \
236	$(PRIVATE_LDFLAGS) \
237	$(PRIVATE_TARGET_LIBGCC) \
238	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
239endef
240
241define transform-o-to-static-executable-inner
242$(hide) $(PRIVATE_CXX) \
243	$(PRIVATE_TARGET_GLOBAL_LDFLAGS) \
244	-nostdlib -Bstatic \
245	-o $@ \
246	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
247	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \
248	$(PRIVATE_LDFLAGS) \
249	$(PRIVATE_ALL_OBJECTS) \
250	-Wl,--whole-archive \
251	$(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \
252	-Wl,--no-whole-archive \
253	-Wl,--start-group \
254	$(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \
255	$(PRIVATE_TARGET_FDO_LIB) \
256	$(PRIVATE_TARGET_LIBGCC) \
257	-Wl,--end-group \
258	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O))
259endef
260