TARGET_linux-mips64.mk revision 5f5c48f0f1b6bef252410575d9225507e5608c0b
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_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk 47ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) 48$(error Unknown MIPS architecture variant: $(TARGET_ARCH_VARIANT)) 49endif 50 51# TODO: Enable Clang when its mips64 prebuilt is added 52WITHOUT_TARGET_CLANG := true 53 54include $(TARGET_ARCH_SPECIFIC_MAKEFILE) 55include $(BUILD_SYSTEM)/combo/fdo.mk 56 57# You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 58ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 59TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mips64el-linux-android-$(TARGET_GCC_VERSION) 60TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/mips64el-linux-android- 61endif 62 63TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 64TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) 65TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 66TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 67TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 68TARGET_READELF := $(TARGET_TOOLS_PREFIX)readelf$(HOST_EXECUTABLE_SUFFIX) 69TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) 70 71TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 72 73TARGET_mips_CFLAGS := -O2 \ 74 -fomit-frame-pointer \ 75 -fno-strict-aliasing \ 76 -funswitch-loops 77 78# Set FORCE_MIPS_DEBUGGING to "true" in your buildspec.mk 79# or in your environment to gdb debugging easier. 80# Don't forget to do a clean build. 81ifeq ($(FORCE_MIPS_DEBUGGING),true) 82 TARGET_mips_CFLAGS += -fno-omit-frame-pointer 83endif 84 85android_config_h := $(call select-android-config-h,linux-mips64) 86 87TARGET_GLOBAL_CFLAGS += \ 88 $(TARGET_mips_CFLAGS) \ 89 -U__unix -U__unix__ -Umips \ 90 -fpic -fPIE\ 91 -ffunction-sections \ 92 -fdata-sections \ 93 -funwind-tables \ 94 -Wa,--noexecstack \ 95 -Werror=format-security \ 96 -D_FORTIFY_SOURCE=2 \ 97 -no-canonical-prefixes \ 98 -fno-canonical-system-headers \ 99 $(arch_variant_cflags) \ 100 -include $(android_config_h) \ 101 -I $(dir $(android_config_h)) 102 103# This warning causes dalvik not to build with gcc 4.6+ and -Werror. 104# We cannot turn it off blindly since the option is not available 105# in gcc-4.4.x. 106ifneq ($(filter 4.6 4.6.% 4.7 4.7.% 4.8, $(TARGET_GCC_VERSION)),) 107TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable \ 108 -fno-strict-volatile-bitfields 109endif 110 111# This is to avoid the dreaded warning compiler message: 112# note: the mangling of 'va_list' has changed in GCC 4.4 113# 114# The fact that the mangling changed does not affect the NDK ABI 115# very fortunately (since none of the exposed APIs used va_list 116# in their exported C++ functions). Also, GCC 4.5 has already 117# removed the warning from the compiler. 118# 119TARGET_GLOBAL_CFLAGS += -Wno-psabi 120 121ifneq ($(ARCH_MIPS_PAGE_SHIFT),) 122TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT) 123endif 124 125TARGET_GLOBAL_LDFLAGS += \ 126 -Wl,-z,noexecstack \ 127 -Wl,-z,relro \ 128 -Wl,-z,now \ 129 -Wl,--warn-shared-textrel \ 130 -Wl,--fatal-warnings \ 131 $(arch_variant_ldflags) 132 133TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden 134 135# More flags/options can be added here 136TARGET_RELEASE_CFLAGS := \ 137 -DNDEBUG \ 138 -g \ 139 -Wstrict-aliasing=2 \ 140 -fgcse-after-reload \ 141 -frerun-cse-after-loop \ 142 -frename-registers 143 144libc_root := bionic/libc 145libm_root := bionic/libm 146libstdc++_root := bionic/libstdc++ 147libthread_db_root := bionic/libthread_db 148 149 150## on some hosts, the target cross-compiler is not available so do not run this command 151ifneq ($(wildcard $(TARGET_CC)),) 152# We compile with the global cflags to ensure that 153# any flags which affect libgcc are correctly taken 154# into account. 155TARGET_LIBGCC := \ 156 $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc.a) 157TARGET_LIBATOMIC := \ 158 $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libatomic.a) 159LIBGCC_EH := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc_eh.a) 160ifneq ($(LIBGCC_EH),libgcc_eh.a) 161 TARGET_LIBGCC += $(LIBGCC_EH) 162endif 163endif 164 165KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 166KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-mips 167# TODO: perhaps use $(libc_root)/kernel/uapi/asm-$(TARGET_ARCH) instead of asm-mips ? 168KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 169 170TARGET_C_INCLUDES := \ 171 $(libc_root)/arch-mips64/include \ 172 $(libc_root)/include \ 173 $(libstdc++_root)/include \ 174 $(KERNEL_HEADERS) \ 175 $(libm_root)/include \ 176 $(libm_root)/include/mips \ 177 $(libthread_db_root)/include 178# TODO: perhaps use $(libm_root)/include/mips64 instead of mips ? 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 := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 186 187TARGET_STRIP_MODULE:=true 188 189TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 190 191TARGET_CUSTOM_LD_COMMAND := true 192 193define transform-o-to-shared-lib-inner 194$(hide) $(PRIVATE_CXX) \ 195 -nostdlib -Wl,-soname,$(notdir $@) \ 196 -Wl,--gc-sections \ 197 -shared \ 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 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 208 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 209 -o $@ \ 210 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 211 $(PRIVATE_LDFLAGS) \ 212 $(PRIVATE_TARGET_LIBATOMIC) \ 213 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 214 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \ 215 $(PRIVATE_LDLIBS) 216endef 217 218define transform-o-to-executable-inner 219$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \ 220 -Wl,-dynamic-linker,/system/bin/linker64 \ 221 -Wl,--gc-sections \ 222 -Wl,-z,nocopyreloc \ 223 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 224 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 225 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 226 $(PRIVATE_ALL_OBJECTS) \ 227 -Wl,--whole-archive \ 228 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 229 -Wl,--no-whole-archive \ 230 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 231 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 232 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 233 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 234 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 235 -o $@ \ 236 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 237 $(PRIVATE_LDFLAGS) \ 238 $(PRIVATE_TARGET_LIBATOMIC) \ 239 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 240 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 241 $(PRIVATE_LDLIBS) 242endef 243 244define transform-o-to-static-executable-inner 245$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \ 246 -Wl,--gc-sections \ 247 -o $@ \ 248 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 249 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 250 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 251 $(PRIVATE_LDFLAGS) \ 252 $(PRIVATE_ALL_OBJECTS) \ 253 -Wl,--whole-archive \ 254 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 255 -Wl,--no-whole-archive \ 256 $(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \ 257 -Wl,--start-group \ 258 $(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ 259 $(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ 260 $(PRIVATE_TARGET_LIBATOMIC) \ 261 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 262 -Wl,--end-group \ 263 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 264endef 265