TARGET_linux-mips64.mk revision 3c4fcd84515ff6edcbeae7a0ceaacb1eecae437e
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 := 4.9 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 $(android_config_h)) 102 103ifneq ($(ARCH_MIPS_PAGE_SHIFT),) 104TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT) 105endif 106 107TARGET_GLOBAL_LDFLAGS += \ 108 -Wl,-z,noexecstack \ 109 -Wl,-z,relro \ 110 -Wl,-z,now \ 111 -Wl,--warn-shared-textrel \ 112 -Wl,--fatal-warnings \ 113 $(arch_variant_ldflags) 114 115TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden 116 117# More flags/options can be added here 118TARGET_RELEASE_CFLAGS := \ 119 -DNDEBUG \ 120 -g \ 121 -Wstrict-aliasing=2 \ 122 -fgcse-after-reload \ 123 -frerun-cse-after-loop \ 124 -frename-registers 125 126libc_root := bionic/libc 127libm_root := bionic/libm 128libstdc++_root := bionic/libstdc++ 129libthread_db_root := bionic/libthread_db 130 131 132## on some hosts, the target cross-compiler is not available so do not run this command 133ifneq ($(wildcard $(TARGET_CC)),) 134# We compile with the global cflags to ensure that 135# any flags which affect libgcc are correctly taken 136# into account. 137TARGET_LIBGCC := \ 138 $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc.a) 139TARGET_LIBATOMIC := \ 140 $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libatomic.a) 141LIBGCC_EH := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc_eh.a) 142ifneq ($(LIBGCC_EH),libgcc_eh.a) 143 TARGET_LIBGCC += $(LIBGCC_EH) 144endif 145endif 146 147KERNEL_HEADERS_COMMON := $(libc_root)/kernel/uapi 148KERNEL_HEADERS_ARCH := $(libc_root)/kernel/uapi/asm-mips 149# TODO: perhaps use $(libc_root)/kernel/uapi/asm-$(TARGET_ARCH) instead of asm-mips ? 150KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 151 152TARGET_C_INCLUDES := \ 153 $(libc_root)/arch-mips64/include \ 154 $(libc_root)/include \ 155 $(libstdc++_root)/include \ 156 $(KERNEL_HEADERS) \ 157 $(libm_root)/include \ 158 $(libm_root)/include/mips \ 159 $(libthread_db_root)/include 160# TODO: perhaps use $(libm_root)/include/mips64 instead of mips ? 161 162TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o 163TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o 164TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o 165 166TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o 167TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o 168 169TARGET_STRIP_MODULE:=true 170 171TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 172 173TARGET_CUSTOM_LD_COMMAND := true 174 175define transform-o-to-shared-lib-inner 176$(hide) $(PRIVATE_CXX) \ 177 -nostdlib -Wl,-soname,$(notdir $@) \ 178 -Wl,--gc-sections \ 179 -shared \ 180 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 181 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ 182 $(PRIVATE_ALL_OBJECTS) \ 183 -Wl,--whole-archive \ 184 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 185 -Wl,--no-whole-archive \ 186 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 187 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 188 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 189 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 190 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 191 -o $@ \ 192 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 193 $(PRIVATE_LDFLAGS) \ 194 $(PRIVATE_TARGET_LIBATOMIC) \ 195 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 196 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) \ 197 $(PRIVATE_LDLIBS) 198endef 199 200define transform-o-to-executable-inner 201$(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \ 202 -Wl,-dynamic-linker,/system/bin/linker64 \ 203 -Wl,--gc-sections \ 204 -Wl,-z,nocopyreloc \ 205 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 206 -Wl,-rpath-link=$(PRIVATE_TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 207 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ 208 $(PRIVATE_ALL_OBJECTS) \ 209 -Wl,--whole-archive \ 210 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 211 -Wl,--no-whole-archive \ 212 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ 213 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 214 $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ 215 $(if $(TARGET_BUILD_APPS),$(PRIVATE_TARGET_LIBGCC)) \ 216 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 217 -o $@ \ 218 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 219 $(PRIVATE_LDFLAGS) \ 220 $(PRIVATE_TARGET_LIBATOMIC) \ 221 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 222 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) \ 223 $(PRIVATE_LDLIBS) 224endef 225 226define transform-o-to-static-executable-inner 227$(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \ 228 -Wl,--gc-sections \ 229 -o $@ \ 230 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 231 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ 232 $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ 233 $(PRIVATE_LDFLAGS) \ 234 $(PRIVATE_ALL_OBJECTS) \ 235 -Wl,--whole-archive \ 236 $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 237 -Wl,--no-whole-archive \ 238 $(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \ 239 -Wl,--start-group \ 240 $(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ 241 $(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ 242 $(PRIVATE_TARGET_LIBATOMIC) \ 243 $(if $(PRIVATE_LIBCXX),,$(PRIVATE_TARGET_LIBGCC)) \ 244 -Wl,--end-group \ 245 $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) 246endef 247