Build ASan runtime for ARM/Android.

llvm-svn: 166559

compiler-rt/Makefile

@@ -133,10 +133,12 @@ $(call Set,Tmp.Config,$(1))
 $(call Set,Tmp.ObjPath,$(ProjObjRoot)/$(Tmp.Name)/$(Tmp.Config))
 $(call Set,Tmp.SHARED_LIBRARY,$(strip \
   $(call GetCNAVar,SHARED_LIBRARY,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
+$(call Set,Tmp.SHARED_LIBRARY_SUFFIX,$(strip \
+  $(call GetCNAVar,SHARED_LIBRARY_SUFFIX,$(Tmp.Key),$(Tmp.Config),$(Tmp.Arch))))
 
 # Compute the library suffix.
 $(if $(call streq,1,$(Tmp.SHARED_LIBRARY)),
-  $(call Set,Tmp.LibrarySuffix,dylib),
+  $(call Set,Tmp.LibrarySuffix,$(Tmp.SHARED_LIBRARY_SUFFIX)),
   $(call Set,Tmp.LibrarySuffix,a))
 
 # Compute the archs to build, depending on whether this is a universal build or
@@ -192,7 +194,7 @@ $(call Set,Tmp.SHARED_LIBRARY,$(strip \
 
 # Compute the library suffix.
 $(if $(call streq,1,$(Tmp.SHARED_LIBRARY)),
-  $(call Set,Tmp.LibrarySuffix,dylib),
+  $(call Set,Tmp.LibrarySuffix,$(Tmp.SHARED_LIBRARY_SUFFIX)),
   $(call Set,Tmp.LibrarySuffix,a))
 
 # Compute the object inputs for this library.
@@ -210,6 +212,10 @@ $(Tmp.ObjPath)/libcompiler_rt.dylib: $(Tmp.Inputs) $(Tmp.ObjPath)/.dir
 	$(Summary) "  DYLIB:   $(Tmp.Name)/$(Tmp.Config)/$(Tmp.Arch): $$@"
 	$(Verb) $(Tmp.CC) -arch $(Tmp.Arch) -dynamiclib -o $$@ \
 	  $(Tmp.Inputs) $(Tmp.LDFLAGS)
+$(Tmp.ObjPath)/libcompiler_rt.so: $(Tmp.Inputs) $(Tmp.ObjPath)/.dir
+	$(Summary) "  SO:   $(Tmp.Name)/$(Tmp.Config)/$(Tmp.Arch): $$@"
+	$(Verb) $(Tmp.CC) -shared -o $$@ \
+	  $(Tmp.Inputs) $(Tmp.LDFLAGS)
 .PRECIOUS: $(Tmp.ObjPath)/.dir
 
 # Per-Config-Arch Targets

compiler-rt/make/lib_info.mk

@@ -56,4 +56,4 @@ AvailableOptions := AR ARFLAGS \
                     CC CFLAGS LDFLAGS FUNCTIONS OPTIMIZED \
                     RANLIB RANLIBFLAGS \
                     VISIBILITY_HIDDEN KERNEL_USE \
-		    SHARED_LIBRARY STRIP LIPO
+                    SHARED_LIBRARY SHARED_LIBRARY_SUFFIX STRIP LIPO

compiler-rt/make/options.mk

@@ -43,3 +43,5 @@ RANLIBFLAGS := 2> /dev/null
 
 STRIP := strip
 LIPO := lipo
+
+SHARED_LIBRARY_SUFFIX := so

compiler-rt/make/platform/clang_darwin.mk

@@ -435,3 +435,5 @@ KERNEL_USE.cc_kext := 1
 KERNEL_USE.cc_kext_ios5 := 1
 
 VISIBILITY_HIDDEN := 1
+
+SHARED_LIBRARY_SUFFIX := dylib

compiler-rt/make/platform/clang_linux.mk

@@ -66,6 +66,11 @@ Arch.asan-x86_64 := x86_64
 Arch.tsan-x86_64 := x86_64
 endif
 
+ifneq ($(LLVM_ANDROID_TOOLCHAIN_DIR),)
+Configs += asan-arm-android
+Arch.asan-arm-android := arm-android
+endif
+
 endif
 endif
 
@@ -81,6 +86,14 @@ CFLAGS.asan-i386 := $(CFLAGS) -m32 -fPIE -fno-builtin
 CFLAGS.asan-x86_64 := $(CFLAGS) -m64 -fPIE -fno-builtin
 CFLAGS.tsan-x86_64 := $(CFLAGS) -m64 -fPIE -fno-builtin
 
+SHARED_LIBRARY.asan-arm-android := 1
+ANDROID_COMMON_FLAGS := -target arm-linux-androideabi \
+	--sysroot=$(LLVM_ANDROID_TOOLCHAIN_DIR)/sysroot \
+	-B$(LLVM_ANDROID_TOOLCHAIN_DIR)
+CFLAGS.asan-arm-android := $(CFLAGS) -fPIC -fno-builtin \
+	$(ANDROID_COMMON_FLAGS) -mllvm -arm-enable-ehabi
+LDFLAGS.asan-arm-android := $(LDFLAGS) $(ANDROID_COMMON_FLAGS) -ldl
+
 # Use our stub SDK as the sysroot to support more portable building. For now we
 # just do this for the non-ASAN modules, because the stub SDK doesn't have
 # enough support to build ASAN.
@@ -97,6 +110,8 @@ FUNCTIONS.asan-i386 := $(AsanFunctions) $(InterceptionFunctions) \
                                         $(SanitizerCommonFunctions)
 FUNCTIONS.asan-x86_64 := $(AsanFunctions) $(InterceptionFunctions) \
                                           $(SanitizerCommonFunctions)
+FUNCTIONS.asan-arm-android := $(AsanFunctions) $(InterceptionFunctions) \
+                                          $(SanitizerCommonFunctions)
 FUNCTIONS.tsan-x86_64 := $(TsanFunctions) $(InterceptionFunctions) \
                                           $(SanitizerCommonFunctions) 
 
@@ -105,3 +120,5 @@ OPTIMIZED := 1
 
 # We don't need to use visibility hidden on Linux.
 VISIBILITY_HIDDEN := 0
+
+SHARED_LIBRARY_SUFFIX := so