1 # 2 # Copyright (C) 2012 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 18 LOCAL_PATH := $(call my-dir) 19 20 # The following list contains platform-independent functionalities. 21 # 22 # Skip apple_versioning.c since it is unused. 23 # Skip atomic.c since it needs to be built separately according to the docs. 24 # Skip clear_cache.c since it redefines a system function on Android. 25 # Skip gcc_personality_v0.c since it depends on libunwind. 26 libcompiler_rt_common_SRC_FILES := \ 27 lib/absvdi2.c \ 28 lib/absvsi2.c \ 29 lib/absvti2.c \ 30 lib/adddf3.c \ 31 lib/addsf3.c \ 32 lib/addvdi3.c \ 33 lib/addvsi3.c \ 34 lib/addvti3.c \ 35 lib/ashldi3.c \ 36 lib/ashlti3.c \ 37 lib/ashrdi3.c \ 38 lib/ashrti3.c \ 39 lib/clzdi2.c \ 40 lib/clzsi2.c \ 41 lib/clzti2.c \ 42 lib/cmpdi2.c \ 43 lib/cmpti2.c \ 44 lib/comparedf2.c \ 45 lib/comparesf2.c \ 46 lib/ctzdi2.c \ 47 lib/ctzsi2.c \ 48 lib/ctzti2.c \ 49 lib/divdc3.c \ 50 lib/divdf3.c \ 51 lib/divdi3.c \ 52 lib/divmoddi4.c \ 53 lib/divmodsi4.c \ 54 lib/divsc3.c \ 55 lib/divsf3.c \ 56 lib/divsi3.c \ 57 lib/divti3.c \ 58 lib/divxc3.c \ 59 lib/enable_execute_stack.c \ 60 lib/eprintf.c \ 61 lib/extendsfdf2.c \ 62 lib/ffsdi2.c \ 63 lib/ffsti2.c \ 64 lib/fixdfdi.c \ 65 lib/fixdfsi.c \ 66 lib/fixdfti.c \ 67 lib/fixsfdi.c \ 68 lib/fixsfsi.c \ 69 lib/fixsfti.c \ 70 lib/fixunsdfdi.c \ 71 lib/fixunsdfsi.c \ 72 lib/fixunsdfti.c \ 73 lib/fixunssfdi.c \ 74 lib/fixunssfsi.c \ 75 lib/fixunssfti.c \ 76 lib/fixunsxfdi.c \ 77 lib/fixunsxfsi.c \ 78 lib/fixunsxfti.c \ 79 lib/fixxfdi.c \ 80 lib/fixxfti.c \ 81 lib/floatdidf.c \ 82 lib/floatdisf.c \ 83 lib/floatdixf.c \ 84 lib/floatsidf.c \ 85 lib/floatsisf.c \ 86 lib/floattidf.c \ 87 lib/floattisf.c \ 88 lib/floattixf.c \ 89 lib/floatundidf.c \ 90 lib/floatundisf.c \ 91 lib/floatundixf.c \ 92 lib/floatunsidf.c \ 93 lib/floatunsisf.c \ 94 lib/floatuntidf.c \ 95 lib/floatuntisf.c \ 96 lib/floatuntixf.c \ 97 lib/int_util.c \ 98 lib/lshrdi3.c \ 99 lib/lshrti3.c \ 100 lib/moddi3.c \ 101 lib/modsi3.c \ 102 lib/modti3.c \ 103 lib/muldc3.c \ 104 lib/muldf3.c \ 105 lib/muldi3.c \ 106 lib/mulodi4.c \ 107 lib/mulosi4.c \ 108 lib/muloti4.c \ 109 lib/mulsc3.c \ 110 lib/mulsf3.c \ 111 lib/multi3.c \ 112 lib/mulvdi3.c \ 113 lib/mulvsi3.c \ 114 lib/mulvti3.c \ 115 lib/mulxc3.c \ 116 lib/negdf2.c \ 117 lib/negdi2.c \ 118 lib/negsf2.c \ 119 lib/negti2.c \ 120 lib/negvdi2.c \ 121 lib/negvsi2.c \ 122 lib/negvti2.c \ 123 lib/paritydi2.c \ 124 lib/paritysi2.c \ 125 lib/parityti2.c \ 126 lib/popcountdi2.c \ 127 lib/popcountsi2.c \ 128 lib/popcountti2.c \ 129 lib/powidf2.c \ 130 lib/powisf2.c \ 131 lib/powitf2.c \ 132 lib/powixf2.c \ 133 lib/subdf3.c \ 134 lib/subsf3.c \ 135 lib/subvdi3.c \ 136 lib/subvsi3.c \ 137 lib/subvti3.c \ 138 lib/trampoline_setup.c \ 139 lib/truncdfsf2.c \ 140 lib/ucmpdi2.c \ 141 lib/ucmpti2.c \ 142 lib/udivdi3.c \ 143 lib/udivmoddi4.c \ 144 lib/udivmodsi4.c \ 145 lib/udivmodti4.c \ 146 lib/udivsi3.c \ 147 lib/udivti3.c \ 148 lib/umoddi3.c \ 149 lib/umodsi3.c \ 150 lib/umodti3.c 151 152 # ARM-specific runtimes 153 libcompiler_rt_arm_SRC_FILES := \ 154 lib/arm/aeabi_dcmp.S \ 155 lib/arm/aeabi_fcmp.S \ 156 lib/arm/aeabi_idivmod.S \ 157 lib/arm/aeabi_ldivmod.S \ 158 lib/arm/aeabi_memcmp.S \ 159 lib/arm/aeabi_memcpy.S \ 160 lib/arm/aeabi_memmove.S \ 161 lib/arm/aeabi_memset.S \ 162 lib/arm/aeabi_uidivmod.S \ 163 lib/arm/aeabi_uldivmod.S \ 164 lib/arm/comparesf2.S \ 165 lib/arm/divmodsi4.S \ 166 lib/arm/divsi3.S \ 167 lib/arm/modsi3.S \ 168 lib/arm/udivmodsi4.S \ 169 lib/arm/udivsi3.S \ 170 lib/arm/umodsi3.S 171 172 # MIPS-specific runtimes 173 libcompiler_rt_mips_SRC_FILES := # nothing to add 174 175 # X86-specific runtimes 176 # 177 # We don't support x86-64 right now 178 libcompiler_rt_x86_SRC_FILES := \ 179 lib/i386/ashldi3.S \ 180 lib/i386/ashrdi3.S \ 181 lib/i386/divdi3.S \ 182 lib/i386/floatdidf.S \ 183 lib/i386/floatdisf.S \ 184 lib/i386/floatdixf.S \ 185 lib/i386/floatundidf.S \ 186 lib/i386/floatundisf.S \ 187 lib/i386/floatundixf.S \ 188 lib/i386/lshrdi3.S \ 189 lib/i386/moddi3.S \ 190 lib/i386/muldi3.S \ 191 lib/i386/udivdi3.S \ 192 lib/i386/umoddi3.S 193 194 # The following list contains functions that are not available in libgcc.a, so 195 # we potentially need them when using a Clang-built component (e.g., -ftrapv 196 # with 64-bit integer multiplies. See http://llvm.org/bugs/show_bug.cgi?id=14469.) 197 libcompiler_rt_extras_SRC_FILES := \ 198 lib/mulodi4.c 199 200 # $(1): arch 201 define get-libcompiler-rt-source-files 202 $(if $(findstring $(1),arm),$(call get-libcompiler-rt-arm-source-files), 203 $(if $(findstring $(1),mips),$(call get-libcompiler-rt-mips-source-files), 204 $(if $(findstring $(1),x86),$(call get-libcompiler-rt-x86-source-files), 205 $(error Unsupported ARCH $(1))))) 206 endef 207 208 # $(1): source list 209 # $(2): arch 210 # 211 # If lib/<arch>/X.S is included in the source list, we should filter out lib/X.c 212 # in the result source list (i.e., use the one optimized for the arch.) Otherwise 213 # there'll be multiple definitions for one symbol. 214 define filter-libcompiler-rt-common-source-files 215 $(filter-out $(patsubst lib/$(strip $(2))/%.S,lib/%.c,$(filter %.S,$(1))),$(1)) 216 endef 217 218 define get-libcompiler-rt-arm-common-source-files 219 $(call filter-libcompiler-rt-common-source-files, 220 $(libcompiler_rt_common_SRC_FILES) \ 221 $(libcompiler_rt_arm_SRC_FILES), arm) 222 endef 223 224 # $(1): common runtime list 225 # 226 # Add ARM runtimes implemented in VFP 227 define add-libcompiler-rt-arm-vfp-source-files 228 $(filter-out $(addprefix lib/,adddf3.c addsf3.c comparedf2.c comparesf2.c \ 229 arm/comparesf2.S divdf3.c divsf3.c extendsfdf2.c \ 230 fixdfsi.c fixsfsi.c fixunsdfsi.c fixunssfsi.c \ 231 floatsidf.c floatsisf.c floatunsidf.c floatunsisf.c \ 232 muldf3.c mulsf3.c negdf2.c negsf2.c subdf3.c \ 233 subsf3.c truncdfsf2.c),$(1)) lib/arm/vfp_alias.S 234 endef 235 236 define get-libcompiler-rt-arm-source-files 237 $(if $(findstring $(ARCH_ARM_HAVE_VFP),true), 238 $(call add-libcompiler-rt-arm-vfp-source-files, 239 $(call get-libcompiler-rt-arm-common-source-files)), 240 $(call get-libcompiler-rt-arm-common-source-files)) 241 endef 242 243 define get-libcompiler-rt-mips-source-files 244 $(call filter-libcompiler-rt-common-source-files, 245 $(libcompiler_rt_common_SRC_FILES) \ 246 $(libcompiler_rt_mips_SRC_FILES),mips) 247 endef 248 249 define get-libcompiler-rt-x86-source-files 250 $(call filter-libcompiler-rt-common-source-files, 251 $(libcompiler_rt_common_SRC_FILES) \ 252 $(libcompiler_rt_x86_SRC_FILES),i386) 253 endef 254 255 # $(1): target or host 256 # $(2): static or shared 257 define build-libcompiler-rt 258 ifneq ($(1),target) 259 ifneq ($(1),host) 260 $$(error expected target or host for argument 1, received $(1)) 261 endif 262 endif 263 ifneq ($(2),static) 264 ifneq ($(2),shared) 265 $$(error expected static or shared for argument 2, received $(2)) 266 endif 267 endif 268 269 target_or_host := $(1) 270 static_or_shared := $(2) 271 272 arch := 273 ifeq ($$(target_or_host),target) 274 arch := $(TARGET_ARCH) 275 else 276 arch := $(HOST_ARCH) 277 endif 278 279 include $(CLEAR_VARS) 280 281 LOCAL_MODULE := libcompiler_rt 282 LOCAL_MODULE_TAGS := optional 283 284 ifeq ($$(static_or_shared),static) 285 LOCAL_MODULE_CLASS := STATIC_LIBRARIES 286 else 287 LOCAL_MODULE_CLASS := SHARED_LIBRARIES 288 endif 289 290 # TODO: Fix -integrated-as 291 # LOCAL_CFLAGS := -integrated-as 292 293 # Add -D__ARM_EABI__ for ARM 294 ifeq ($$(arch),arm) 295 LOCAL_CFLAGS += -D__ARM_EABI__ 296 endif 297 298 # Use MC assembler to compile assembly 299 LOCAL_ASFLAGS += -integrated-as 300 301 # Use Clang to compile libcompiler_rt 302 LOCAL_CLANG := true 303 LOCAL_SRC_FILES := $$(call get-libcompiler-rt-source-files,$$(arch)) 304 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk 305 306 ifeq ($$(target_or_host),target) 307 ifeq ($$(static_or_shared),static) 308 include $(BUILD_STATIC_LIBRARY) 309 else 310 include $(BUILD_SHARED_LIBRARY) 311 endif 312 else 313 LOCAL_IS_HOST_MODULE := true 314 ifeq ($$(static_or_shared),static) 315 include $(BUILD_HOST_STATIC_LIBRARY) 316 else 317 include $(BUILD_HOST_SHARED_LIBRARY) 318 endif 319 endif 320 endef 321 322 #===================================================================== 323 # Device Static Library: libcompiler_rt-extras 324 #===================================================================== 325 326 include $(CLEAR_VARS) 327 328 LOCAL_MODULE := libcompiler_rt-extras 329 LOCAL_MODULE_TAGS := optional 330 LOCAL_MODULE_CLASS := STATIC_LIBRARIES 331 LOCAL_CLANG := true 332 LOCAL_SRC_FILES := $(libcompiler_rt_extras_SRC_FILES) 333 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk 334 335 include $(BUILD_STATIC_LIBRARY) 336 337 #===================================================================== 338 # Device Static Library: libcompiler_rt 339 #===================================================================== 340 $(eval $(call build-libcompiler-rt,target,static)) 341 342 #===================================================================== 343 # Device Shared Library: libcompiler_rt 344 #===================================================================== 345 $(eval $(call build-libcompiler-rt,target,shared)) 346 347 # Build ASan 348 include $(LOCAL_PATH)/lib/asan/Android.mk 349
