TARGET_linux-mips64.mk revision ba8b377d89a3bd37ef6112e21c852be75e07db0a
1# 2# Copyright (C) 2013 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 MIPS64. 18# Included by combo/select.mk 19 20# You can set TARGET_ARCH_VARIANT to use an arch version other 21# than mips64. Each value should correspond to a file named 22# $(BUILD_COMBOS)/arch/<name>.mk which must contain 23# makefile variable definitions similar to the preprocessor 24# defines in build/core/combo/include/arch/<combo>/AndroidConfig.h. Their 25# purpose is to allow module Android.mk files to selectively compile 26# different versions of code based upon the funtionality and 27# instructions available in a given architecture version. 28# 29# The blocks also define specific arch_variant_cflags, which 30# include defines, and compiler settings for the given architecture 31# version. 32# 33ifeq ($(strip $(TARGET_ARCH_VARIANT)),) 34TARGET_ARCH_VARIANT := mips64r2 35endif 36 37ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 38TARGET_GCC_VERSION := 4.8 39else 40TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP) 41endif 42 43TARGET_IS_64_BIT := true 44 45TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk 46ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) 47$(error Unknown MIPS architecture variant: $(TARGET_ARCH_VARIANT)) 48endif 49 50# TODO: Enable Clang when its mips64 prebuilt is added 51WITHOUT_TARGET_CLANG := true 52 53include $(TARGET_ARCH_SPECIFIC_MAKEFILE) 54 55# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 56ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 57TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mips64el-linux-android-$(TARGET_GCC_VERSION) 58TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/mips64el-linux-android- 59endif 60 61TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 62TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 63TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 64TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 65TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 66TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 67ifeq ($(TARGET_BUILD_VARIANT),user) 68 TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-all $< -o $@ 69else 70 TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-all $< -o $@ && \ 71 $(TARGET_OBJCOPY) --add-gnu-debuglink=$< $@ 72endif 73 74TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 75 76TARGET_mips_CFLAGS := -O2 \ 77 -fomit-frame-pointer \ 78 -fno-strict-aliasing \ 79 -funswitch-loops 80 81# Set FORCE_MIPS_DEBUGGING to "true" in your buildspec.mk 82# or in your environment to gdb debugging easier. 83# Don't forget to do a clean build. 84ifeq ($(FORCE_MIPS_DEBUGGING),true) 85 TARGET_mips_CFLAGS += -fno-omit-frame-pointer 86endif 87 88android_config_h := $(call select-android-config-h,linux-mips64) 89 90TARGET_GLOBAL_CFLAGS += \ 91 $(TARGET_mips_CFLAGS) \ 92 -Ulinux -U__unix -U__unix__ -Umips \ 93 -fpic -fPIE\ 94 -ffunction-sections \ 95 -fdata-sections \ 96 -funwind-tables \ 97 -Wa,--noexecstack \ 98 -Werror=format-security \ 99 -D_FORTIFY_SOURCE=2 \ 100 $(arch_variant_cflags) \ 101 -include $(android_config_h) \ 102 -I $(dir $(android_config_h)) 103 104# This warning causes dalvik not to build with gcc 4.6+ and -Werror. 105# We cannot turn it off blindly since the option is not available 106# in gcc-4.4.x. 107ifneq ($(filter 4.6 4.6.% 4.7 4.7.% 4.8, $(TARGET_GCC_VERSION)),) 108TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable \ 109 -fno-strict-volatile-bitfields 110endif 111 112# This is to avoid the dreaded warning compiler message: 113# note: the mangling of 'va_list' has changed in GCC 4.4 114# 115# The fact that the mangling changed does not affect the NDK ABI 116# very fortunately (since none of the exposed APIs used va_list 117# in their exported C++ functions). Also, GCC 4.5 has already 118# removed the warning from the compiler. 119# 120TARGET_GLOBAL_CFLAGS += -Wno-psabi 121 122ifneq ($(ARCH_MIPS_PAGE_SHIFT),) 123TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT) 124endif 125 126TARGET_GLOBAL_LDFLAGS += \ 127 -Wl,-z,noexecstack \ 128 -Wl,-z,relro \ 129 -Wl,-z,now \ 130 -Wl,--warn-shared-textrel \ 131 -Wl,--fatal-warnings \ 132 $(arch_variant_ldflags) 133 134TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden 135 136# More flags/options can be added here 137TARGET_RELEASE_CFLAGS := \ 138 -DNDEBUG \ 139 -g \ 140 -Wstrict-aliasing=2 \ 141 -fgcse-after-reload \ 142 -frerun-cse-after-loop \ 143 -frename-registers 144 145libc_root := bionic/libc 146libm_root := bionic/libm 147libstdc++_root := bionic/libstdc++ 148libthread_db_root := bionic/libthread_db 149 150 151## on some hosts, the target cross-compiler is not available so do not run this command 152ifneq ($(wildcard $(TARGET_CC)),) 153# We compile with the global cflags to ensure that 154# any flags which affect libgcc are correctly taken 155# into account. 156TARGET_LIBGCC := \ 157 $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc.a) 158LIBGCC_EH := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc_eh.a) 159ifneq ($(LIBGCC_EH),libgcc_eh.a) 160 TARGET_LIBGCC += $(LIBGCC_EH) 161endif 162target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \ 163 --print-file-name=libgcov.a) 164endif 165 166# Define FDO (Feedback Directed Optimization) options. 167 168TARGET_FDO_CFLAGS:= 169TARGET_FDO_LIB:= 170 171ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),) 172 # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation. 173 # The profile will be generated on /data/local/tmp/profile on the device. 174 TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO 175 TARGET_FDO_LIB := $(target_libgcov) 176else 177 # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations. 178 # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build. 179 ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),) 180 TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT) 181 else 182 ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 183 $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.) 184 endif 185 endif 186 187 # If the FDO profile directory can't be found, then FDO is off. 188 ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 189 TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO 190 TARGET_FDO_LIB := $(target_libgcov) 191 endif 192endif 193 194 195KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 196KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-mips 197# TODO: perhaps use $(libc_root)/kernel/uapi/asm-$(TARGET_ARCH) instead of asm-mips ? 198KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 199 200TARGET_C_INCLUDES := \ 201 $(libc_root)/arch-mips64/include \ 202 $(libc_root)/include \ 203 $(libstdc++_root)/include \ 204 $(KERNEL_HEADERS) \ 205 $(libm_root)/include \ 206 $(libm_root)/include/mips \ 207 $(libthread_db_root)/include 208# TODO: perhaps use $(libm_root)/include/mips64 instead of mips ? 209 210TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 211TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 212TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 213 214TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 215TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 216 217TARGET_STRIP_MODULE:=true 218 219TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 220 221TARGET_CUSTOM_LD_COMMAND := true 222 223define transform-o-to-shared-lib-inner 224$(hide) $(PRIVATE_CXX) \ 225 -nostdlib -Wl,-soname,$(notdir $@) \ 226 -Wl,--gc-sections \ 227 -Wl,-shared,-Bsymbolic \ 228 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 229 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 230 $(PRIVATE_ALL_OBJECTS) \ 231 -Wl,--whole-archive \ 232 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 233 -Wl,--no-whole-archive \ 234 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 235 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 236 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 237 $(PRIVATE_TARGET_LIBGCC) \ 238 $(PRIVATE_TARGET_FDO_LIB) \ 239 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 240 -o $@ \ 241 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 242 $(PRIVATE_LDFLAGS) \ 243 $(PRIVATE_TARGET_LIBGCC) \ 244 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) 245endef 246 247define transform-o-to-executable-inner 248$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \ 249 -Wl,-dynamic-linker,/system/bin/linker64 \ 250 -Wl,--gc-sections \ 251 -Wl,-z,nocopyreloc \ 252 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 253 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 254 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 255 $(PRIVATE_ALL_OBJECTS) \ 256 -Wl,--whole-archive \ 257 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 258 -Wl,--no-whole-archive \ 259 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 260 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 261 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 262 $(PRIVATE_TARGET_LIBGCC) \ 263 $(PRIVATE_TARGET_FDO_LIB) \ 264 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 265 -o $@ \ 266 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 267 $(PRIVATE_LDFLAGS) \ 268 $(PRIVATE_TARGET_LIBGCC) \ 269 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 270endef 271 272define transform-o-to-static-executable-inner 273$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \ 274 -Wl,--gc-sections \ 275 -o $@ \ 276 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 277 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 278 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 279 $(PRIVATE_LDFLAGS) \ 280 $(PRIVATE_ALL_OBJECTS) \ 281 -Wl,--whole-archive \ 282 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 283 -Wl,--no-whole-archive \ 284 $(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \ 285 -Wl,--start-group \ 286 $(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ 287 $(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ 288 $(PRIVATE_TARGET_FDO_LIB) \ 289 $(PRIVATE_TARGET_LIBGCC) \ 290 -Wl,--end-group \ 291 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 292endef 293