TARGET_linux-mips64.mk revision de36cd72e8e5a154c1fedf63e1ea83af9d5288aa
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 $(TARGET_ARCH_VARIANT)),) 34TARGET_ARCH_VARIANT := mips64r2 35endif 36 37# Decouple NDK library selection with platform compiler version 38TARGET_NDK_GCC_VERSION := 4.8 39 40ifeq ($(strip $(TARGET_GCC_VERSION_EXP)),) 41TARGET_GCC_VERSION := 4.8 42else 43TARGET_GCC_VERSION := $(TARGET_GCC_VERSION_EXP) 44endif 45 46TARGET_IS_64_BIT := true 47 48TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk 49ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) 50$(error Unknown MIPS architecture variant: $(TARGET_ARCH_VARIANT)) 51endif 52 53# TODO: Enable Clang when its mips64 prebuilt is added 54WITHOUT_TARGET_CLANG := true 55 56include $(TARGET_ARCH_SPECIFIC_MAKEFILE) 57 58# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 59ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 60TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mips64el-linux-android-$(TARGET_GCC_VERSION) 61TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/mips64el-linux-android- 62endif 63 64TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 65TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 66TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 67TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 68TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 69TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX) 70TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 71 72TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 73 74TARGET_mips_CFLAGS := -O2 \ 75 -fomit-frame-pointer \ 76 -fno-strict-aliasing \ 77 -funswitch-loops 78 79# Set FORCE_MIPS_DEBUGGING to "true" in your buildspec.mk 80# or in your environment to gdb debugging easier. 81# Don't forget to do a clean build. 82ifeq ($(FORCE_MIPS_DEBUGGING),true) 83 TARGET_mips_CFLAGS += -fno-omit-frame-pointer 84endif 85 86android_config_h := $(call select-android-config-h,linux-mips64) 87 88TARGET_GLOBAL_CFLAGS += \ 89 $(TARGET_mips_CFLAGS) \ 90 -U__unix -U__unix__ -Umips \ 91 -fpic -fPIE\ 92 -ffunction-sections \ 93 -fdata-sections \ 94 -funwind-tables \ 95 -Wa,--noexecstack \ 96 -Werror=format-security \ 97 -D_FORTIFY_SOURCE=2 \ 98 $(arch_variant_cflags) \ 99 -include $(android_config_h) \ 100 -I $(dir $(android_config_h)) 101 102# This warning causes dalvik not to build with gcc 4.6+ and -Werror. 103# We cannot turn it off blindly since the option is not available 104# in gcc-4.4.x. 105ifneq ($(filter 4.6 4.6.% 4.7 4.7.% 4.8, $(TARGET_GCC_VERSION)),) 106TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable \ 107 -fno-strict-volatile-bitfields 108endif 109 110# This is to avoid the dreaded warning compiler message: 111# note: the mangling of 'va_list' has changed in GCC 4.4 112# 113# The fact that the mangling changed does not affect the NDK ABI 114# very fortunately (since none of the exposed APIs used va_list 115# in their exported C++ functions). Also, GCC 4.5 has already 116# removed the warning from the compiler. 117# 118TARGET_GLOBAL_CFLAGS += -Wno-psabi 119 120ifneq ($(ARCH_MIPS_PAGE_SHIFT),) 121TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT) 122endif 123 124TARGET_GLOBAL_LDFLAGS += \ 125 -Wl,-z,noexecstack \ 126 -Wl,-z,relro \ 127 -Wl,-z,now \ 128 -Wl,--warn-shared-textrel \ 129 -Wl,--fatal-warnings \ 130 $(arch_variant_ldflags) 131 132TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden 133 134# More flags/options can be added here 135TARGET_RELEASE_CFLAGS := \ 136 -DNDEBUG \ 137 -g \ 138 -Wstrict-aliasing=2 \ 139 -fgcse-after-reload \ 140 -frerun-cse-after-loop \ 141 -frename-registers 142 143libc_root := bionic/libc 144libm_root := bionic/libm 145libstdc++_root := bionic/libstdc++ 146libthread_db_root := bionic/libthread_db 147 148 149## on some hosts, the target cross-compiler is not available so do not run this command 150ifneq ($(wildcard $(TARGET_CC)),) 151# We compile with the global cflags to ensure that 152# any flags which affect libgcc are correctly taken 153# into account. 154TARGET_LIBGCC := \ 155 $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc.a) 156LIBGCC_EH := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc_eh.a) 157ifneq ($(LIBGCC_EH),libgcc_eh.a) 158 TARGET_LIBGCC += $(LIBGCC_EH) 159endif 160target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \ 161 --print-file-name=libgcov.a) 162endif 163 164# Define FDO (Feedback Directed Optimization) options. 165 166TARGET_FDO_CFLAGS:= 167TARGET_FDO_LIB:= 168 169ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),) 170 # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation. 171 # The profile will be generated on /data/local/tmp/profile on the device. 172 TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO 173 TARGET_FDO_LIB := $(target_libgcov) 174else 175 # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations. 176 # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build. 177 ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),) 178 TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT) 179 else 180 ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 181 $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.) 182 endif 183 endif 184 185 # If the FDO profile directory can't be found, then FDO is off. 186 ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) 187 TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO 188 TARGET_FDO_LIB := $(target_libgcov) 189 endif 190endif 191 192 193KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 194KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-mips 195# TODO: perhaps use $(libc_root)/kernel/uapi/asm-$(TARGET_ARCH) instead of asm-mips ? 196KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 197 198TARGET_C_INCLUDES := \ 199 $(libc_root)/arch-mips64/include \ 200 $(libc_root)/include \ 201 $(libstdc++_root)/include \ 202 $(KERNEL_HEADERS) \ 203 $(libm_root)/include \ 204 $(libm_root)/include/mips \ 205 $(libthread_db_root)/include 206# TODO: perhaps use $(libm_root)/include/mips64 instead of mips ? 207 208TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 209TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 210TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 211 212TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 213TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 214 215TARGET_STRIP_MODULE:=true 216 217TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 218 219TARGET_CUSTOM_LD_COMMAND := true 220 221define transform-o-to-shared-lib-inner 222$(hide) $(PRIVATE_CXX) \ 223 -nostdlib -Wl,-soname,$(notdir $@) \ 224 -Wl,--gc-sections \ 225 -Wl,-shared,-Bsymbolic \ 226 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 227 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 228 $(PRIVATE_ALL_OBJECTS) \ 229 -Wl,--whole-archive \ 230 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 231 -Wl,--no-whole-archive \ 232 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 233 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 234 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 235 $(PRIVATE_TARGET_LIBGCC) \ 236 $(PRIVATE_TARGET_FDO_LIB) \ 237 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 238 -o $@ \ 239 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 240 $(PRIVATE_LDFLAGS) \ 241 $(PRIVATE_TARGET_LIBGCC) \ 242 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \ 243 $(PRIVATE_LDLIBS) 244endef 245 246define transform-o-to-executable-inner 247$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \ 248 -Wl,-dynamic-linker,/system/bin/linker64 \ 249 -Wl,--gc-sections \ 250 -Wl,-z,nocopyreloc \ 251 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 252 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 253 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 254 $(PRIVATE_ALL_OBJECTS) \ 255 -Wl,--whole-archive \ 256 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 257 -Wl,--no-whole-archive \ 258 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 259 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 260 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 261 $(PRIVATE_TARGET_LIBGCC) \ 262 $(PRIVATE_TARGET_FDO_LIB) \ 263 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 264 -o $@ \ 265 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 266 $(PRIVATE_LDFLAGS) \ 267 $(PRIVATE_TARGET_LIBGCC) \ 268 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 269 $(PRIVATE_LDLIBS) 270endef 271 272define transform-o-to-static-executable-inner 273$(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