1 Description := Static runtime libraries for clang/Linux. 2 3 ### 4 5 CC := clang 6 Arch := unknown 7 Configs := 8 9 # We don't currently have any general purpose way to target architectures other 10 # than the compiler defaults (because there is no generalized way to invoke 11 # cross compilers). For now, we just find the target architecture of the 12 # compiler and only define configurations we know that compiler can generate. 13 CompilerTargetTriple := $(shell \ 14 LANG=C $(CC) -v 2>&1 | grep 'Target:' | cut -d' ' -f2) 15 ifeq ($(CompilerTargetTriple),) 16 $(error "unable to infer compiler target triple for $(CC)") 17 endif 18 19 # Only define configs if we detected a linux target. 20 ifneq ($(findstring -linux-,$(CompilerTargetTriple)),) 21 22 # Define configs only if arch in triple is i386 or x86_64 23 CompilerTargetArch := $(firstword $(subst -, ,$(CompilerTargetTriple))) 24 ifeq ($(call contains,i386 x86_64,$(CompilerTargetArch)),true) 25 26 # TryCompile compiler source flags 27 # Returns exit code of running a compiler invocation. 28 TryCompile = \ 29 $(shell \ 30 cflags=""; \ 31 for flag in $(3); do \ 32 cflags="$$cflags $$flag"; \ 33 done; \ 34 $(1) $$cflags $(2) -o /dev/null > /dev/null 2> /dev/null ; \ 35 echo $$?) 36 37 test_source = $(ProjSrcRoot)/make/platform/clang_linux_test_input.c 38 ifeq ($(CompilerTargetArch),i386) 39 SupportedArches := i386 40 ifeq ($(call TryCompile,$(CC),$(test_source),-m64),0) 41 SupportedArches += x86_64 42 endif 43 else 44 SupportedArches := x86_64 45 ifeq ($(call TryCompile,$(CC),$(test_source),-m32),0) 46 SupportedArches += i386 47 endif 48 endif 49 50 # Build runtime libraries for i386. 51 ifeq ($(call contains,$(SupportedArches),i386),true) 52 Configs += builtins-i386 profile-i386 san-i386 asan-i386 asan_cxx-i386 \ 53 ubsan-i386 ubsan_cxx-i386 54 Arch.builtins-i386 := i386 55 Arch.profile-i386 := i386 56 Arch.san-i386 := i386 57 Arch.asan-i386 := i386 58 Arch.asan_cxx-i386 := i386 59 Arch.ubsan-i386 := i386 60 Arch.ubsan_cxx-i386 := i386 61 endif 62 63 # Build runtime libraries for x86_64. 64 ifeq ($(call contains,$(SupportedArches),x86_64),true) 65 Configs += builtins-x86_64 profile-x86_64 san-x86_64 asan-x86_64 asan_cxx-x86_64 \ 66 tsan-x86_64 msan-x86_64 ubsan-x86_64 ubsan_cxx-x86_64 dfsan-x86_64 \ 67 lsan-x86_64 68 Arch.builtins-x86_64 := x86_64 69 Arch.profile-x86_64 := x86_64 70 Arch.san-x86_64 := x86_64 71 Arch.asan-x86_64 := x86_64 72 Arch.asan_cxx-x86_64 := x86_64 73 Arch.tsan-x86_64 := x86_64 74 Arch.msan-x86_64 := x86_64 75 Arch.ubsan-x86_64 := x86_64 76 Arch.ubsan_cxx-x86_64 := x86_64 77 Arch.dfsan-x86_64 := x86_64 78 Arch.lsan-x86_64 := x86_64 79 endif 80 81 endif 82 83 ifneq ($(LLVM_ANDROID_TOOLCHAIN_DIR),) 84 Configs += asan-arm-android 85 Arch.asan-arm-android := arm-android 86 endif 87 88 endif 89 90 ### 91 92 CFLAGS := -Wall -Werror -O3 -fomit-frame-pointer 93 SANITIZER_CFLAGS := -fPIE -fno-builtin -gline-tables-only 94 95 CFLAGS.builtins-i386 := $(CFLAGS) -m32 96 CFLAGS.builtins-x86_64 := $(CFLAGS) -m64 97 CFLAGS.profile-i386 := $(CFLAGS) -m32 98 CFLAGS.profile-x86_64 := $(CFLAGS) -m64 99 CFLAGS.san-i386 := $(CFLAGS) -m32 $(SANITIZER_CFLAGS) -fno-rtti 100 CFLAGS.san-x86_64 := $(CFLAGS) -m64 $(SANITIZER_CFLAGS) -fno-rtti 101 CFLAGS.asan-i386 := $(CFLAGS) -m32 $(SANITIZER_CFLAGS) -fno-rtti 102 CFLAGS.asan-x86_64 := $(CFLAGS) -m64 $(SANITIZER_CFLAGS) -fno-rtti 103 CFLAGS.asan_cxx-i386 := $(CFLAGS) -m32 $(SANITIZER_CFLAGS) -fno-rtti 104 CFLAGS.asan_cxx-x86_64 := $(CFLAGS) -m64 $(SANITIZER_CFLAGS) -fno-rtti 105 CFLAGS.tsan-x86_64 := $(CFLAGS) -m64 $(SANITIZER_CFLAGS) -fno-rtti 106 CFLAGS.msan-x86_64 := $(CFLAGS) -m64 $(SANITIZER_CFLAGS) -fno-rtti 107 CFLAGS.ubsan-i386 := $(CFLAGS) -m32 $(SANITIZER_CFLAGS) -fno-rtti 108 CFLAGS.ubsan-x86_64 := $(CFLAGS) -m64 $(SANITIZER_CFLAGS) -fno-rtti 109 CFLAGS.ubsan_cxx-i386 := $(CFLAGS) -m32 $(SANITIZER_CFLAGS) 110 CFLAGS.ubsan_cxx-x86_64 := $(CFLAGS) -m64 $(SANITIZER_CFLAGS) 111 CFLAGS.dfsan-x86_64 := $(CFLAGS) -m64 $(SANITIZER_CFLAGS) -fno-rtti 112 CFLAGS.lsan-x86_64 := $(CFLAGS) -m64 $(SANITIZER_CFLAGS) -fno-rtti 113 114 SHARED_LIBRARY.asan-arm-android := 1 115 ANDROID_COMMON_FLAGS := -target arm-linux-androideabi \ 116 --sysroot=$(LLVM_ANDROID_TOOLCHAIN_DIR)/sysroot \ 117 -B$(LLVM_ANDROID_TOOLCHAIN_DIR) 118 CFLAGS.asan-arm-android := $(CFLAGS) $(SANITIZER_CFLAGS) \ 119 $(ANDROID_COMMON_FLAGS) -fno-rtti \ 120 -I$(ProjSrcRoot)/android/include 121 LDFLAGS.asan-arm-android := $(LDFLAGS) $(ANDROID_COMMON_FLAGS) -ldl -lm -llog \ 122 -lstdc++ -Wl,-soname=libclang_rt.asan-arm-android.so -Wl,-z,defs 123 124 # Use our stub SDK as the sysroot to support more portable building. For now we 125 # just do this for the core module, because the stub SDK doesn't have 126 # enough support to build the sanitizers or profile runtimes. 127 CFLAGS.builtins-i386 += --sysroot=$(ProjSrcRoot)/SDKs/linux 128 CFLAGS.builtins-x86_64 += --sysroot=$(ProjSrcRoot)/SDKs/linux 129 130 FUNCTIONS.builtins-i386 := $(CommonFunctions) $(ArchFunctions.i386) 131 FUNCTIONS.builtins-x86_64 := $(CommonFunctions) $(ArchFunctions.x86_64) 132 FUNCTIONS.profile-i386 := GCDAProfiling InstrProfiling InstrProfilingBuffer \ 133 InstrProfilingFile InstrProfilingPlatformOther \ 134 InstrProfilingRuntime 135 FUNCTIONS.profile-x86_64 := $(FUNCTIONS.profile-i386) 136 FUNCTIONS.san-i386 := $(SanitizerCommonFunctions) 137 FUNCTIONS.san-x86_64 := $(SanitizerCommonFunctions) 138 FUNCTIONS.asan-i386 := $(AsanFunctions) $(InterceptionFunctions) \ 139 $(SanitizerCommonFunctions) 140 FUNCTIONS.asan-x86_64 := $(AsanFunctions) $(InterceptionFunctions) \ 141 $(SanitizerCommonFunctions) $(LsanCommonFunctions) 142 FUNCTIONS.asan_cxx-i386 := $(AsanCXXFunctions) 143 FUNCTIONS.asan_cxx-x86_64 := $(AsanCXXFunctions) 144 FUNCTIONS.asan-arm-android := $(AsanFunctions) $(AsanCXXFunctions) \ 145 $(InterceptionFunctions) \ 146 $(SanitizerCommonFunctions) 147 FUNCTIONS.tsan-x86_64 := $(TsanFunctions) $(InterceptionFunctions) \ 148 $(SanitizerCommonFunctions) 149 FUNCTIONS.msan-x86_64 := $(MsanFunctions) $(InterceptionFunctions) \ 150 $(SanitizerCommonFunctions) 151 FUNCTIONS.ubsan-i386 := $(UbsanFunctions) 152 FUNCTIONS.ubsan-x86_64 := $(UbsanFunctions) 153 FUNCTIONS.ubsan_cxx-i386 := $(UbsanCXXFunctions) 154 FUNCTIONS.ubsan_cxx-x86_64 := $(UbsanCXXFunctions) 155 FUNCTIONS.dfsan-x86_64 := $(DfsanFunctions) $(InterceptionFunctions) \ 156 $(SanitizerCommonFunctions) 157 FUNCTIONS.lsan-x86_64 := $(LsanFunctions) $(InterceptionFunctions) \ 158 $(SanitizerCommonFunctions) 159 160 # Always use optimized variants. 161 OPTIMIZED := 1 162 163 # We don't need to use visibility hidden on Linux. 164 VISIBILITY_HIDDEN := 0 165 166 SHARED_LIBRARY_SUFFIX := so 167
