forked from OSchip/llvm-project
440 lines
13 KiB
Makefile
440 lines
13 KiB
Makefile
# These are the functions which clang needs when it is targetting a previous
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# version of the OS. The issue is that the backend may use functions which were
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# not present in the libgcc that shipped on the platform. In such cases, we link
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# with a version of the library which contains private_extern definitions of all
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# the extra functions which might be referenced.
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Description := Static runtime libraries for clang/Darwin.
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# A function that ensures we don't try to build for architectures that we
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# don't have working toolchains for.
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CheckArches = \
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$(shell \
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result=""; \
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for arch in $(1); do \
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if $(CC) -arch $$arch -c \
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-integrated-as \
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$(ProjSrcRoot)/make/platform/clang_darwin_test_input.c \
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-isysroot $(ProjSrcRoot)/SDKs/darwin \
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-o /dev/null > /dev/null 2> /dev/null; then \
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result="$$result$$arch "; \
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else \
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printf 1>&2 \
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"warning: clang_darwin.mk: dropping arch '$$arch' from lib '$(2)'\n"; \
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fi; \
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done; \
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echo $$result)
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###
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CC := clang
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Configs :=
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UniversalArchs :=
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# Configuration solely for providing access to an eprintf symbol, which may
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# still be referenced from Darwin system headers. This symbol is only ever
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# needed on i386.
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Configs += eprintf
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UniversalArchs.eprintf := $(call CheckArches,i386,eprintf)
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# Configuration for targetting 10.4. We need a few functions missing from
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# libgcc_s.10.4.dylib. We only build x86 slices since clang doesn't really
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# support targetting PowerPC.
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Configs += 10.4
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UniversalArchs.10.4 := $(call CheckArches,i386 x86_64,10.4)
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# Configuration for targetting iOS for a couple of functions that didn't
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# make it into libSystem.
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Configs += ios
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UniversalArchs.ios := $(call CheckArches,i386 x86_64 armv7,ios)
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# Configuration for targetting OSX. These functions may not be in libSystem
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# so we should provide our own.
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Configs += osx
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UniversalArchs.osx := $(call CheckArches,i386 x86_64,osx)
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# Configuration for use with kernel/kexts.
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Configs += cc_kext
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UniversalArchs.cc_kext := $(call CheckArches,armv7 i386 x86_64,cc_kext)
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# Configuration for use with kernel/kexts for iOS 5.0 and earlier (which used
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# a different code generation strategy).
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Configs += cc_kext_ios5
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UniversalArchs.cc_kext_ios5 := $(call CheckArches,x86_64 armv7,cc_kext_ios5)
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# Configurations which define the profiling support functions.
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Configs += profile_osx
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UniversalArchs.profile_osx := $(call CheckArches,i386 x86_64,profile_osx)
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Configs += profile_ios
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UniversalArchs.profile_ios := $(call CheckArches,i386 x86_64 armv7,profile_ios)
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# Configurations which define the ASAN support functions.
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Configs += asan_osx
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UniversalArchs.asan_osx := $(call CheckArches,i386 x86_64,asan_osx)
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Configs += asan_osx_dynamic
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UniversalArchs.asan_osx_dynamic := $(call CheckArches,i386 x86_64,asan_osx_dynamic)
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# Darwin 10.6 has a bug in cctools that makes it unable to use ranlib on our ARM
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# object files. If we are on that platform, strip out all ARM archs. We still
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# build the libraries themselves so that Clang can find them where it expects
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# them, even though they might not have an expected slice.
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ifneq ($(shell sw_vers -productVersion | grep 10.6),)
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UniversalArchs.ios := $(filter-out armv7, $(UniversalArchs.ios))
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UniversalArchs.cc_kext := $(filter-out armv7, $(UniversalArchs.cc_kext))
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UniversalArchs.cc_kext_ios5 := $(filter-out armv7, $(UniversalArchs.cc_kext_ios5))
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UniversalArchs.profile_ios := $(filter-out armv7, $(UniversalArchs.profile_ios))
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endif
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# If RC_SUPPORTED_ARCHS is defined, treat it as a list of the architectures we
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# are intended to support and limit what we try to build to that.
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#
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# We make sure to remove empty configs if we end up dropping all the requested
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# archs for a particular config.
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ifneq ($(RC_SUPPORTED_ARCHS),)
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$(foreach config,$(Configs),\
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$(call Set,UniversalArchs.$(config),\
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$(filter $(RC_SUPPORTED_ARCHS),$(UniversalArchs.$(config))))\
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$(if $(UniversalArchs.$(config)),,\
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$(call Set,Configs,$(filter-out $(config),$(Configs)))))
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endif
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###
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# Forcibly strip off any -arch, as that totally breaks our universal support.
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override CC := $(subst -arch ,-arch_,$(CC))
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override CC := $(patsubst -arch_%,,$(CC))
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CFLAGS := -Wall -Werror -O3 -fomit-frame-pointer
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# Always set deployment target arguments for every build, these libraries should
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# never depend on the environmental overrides. We simply set them to minimum
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# supported deployment target -- nothing in the compiler-rt libraries should
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# actually depend on the deployment target.
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OSX_DEPLOYMENT_ARGS := -mmacosx-version-min=10.4
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IOS_DEPLOYMENT_ARGS := -miphoneos-version-min=1.0
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IOS6_DEPLOYMENT_ARGS := -miphoneos-version-min=6.0
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IOSSIM_DEPLOYMENT_ARGS := -miphoneos-version-min=1.0
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# Use our stub SDK as the sysroot to support more portable building.
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OSX_DEPLOYMENT_ARGS += -isysroot $(ProjSrcRoot)/SDKs/darwin
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IOS_DEPLOYMENT_ARGS += -isysroot $(ProjSrcRoot)/SDKs/darwin
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IOS6_DEPLOYMENT_ARGS += -isysroot $(ProjSrcRoot)/SDKs/darwin
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IOSSIM_DEPLOYMENT_ARGS += -isysroot $(ProjSrcRoot)/SDKs/darwin
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CFLAGS.eprintf := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS)
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CFLAGS.10.4 := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS)
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# FIXME: We can't build ASAN with our stub SDK yet.
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CFLAGS.asan_osx := $(CFLAGS) -mmacosx-version-min=10.5 -fno-builtin
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CFLAGS.asan_osx_dynamic := \
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$(CFLAGS) -mmacosx-version-min=10.5 -fno-builtin \
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-DMAC_INTERPOSE_FUNCTIONS=1
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CFLAGS.ios.i386 := $(CFLAGS) $(IOSSIM_DEPLOYMENT_ARGS)
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CFLAGS.ios.x86_64 := $(CFLAGS) $(IOSSIM_DEPLOYMENT_ARGS)
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CFLAGS.ios.armv7 := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.ios.armv7f := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.ios.armv7k := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.ios.armv7s := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.osx.i386 := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS)
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CFLAGS.osx.x86_64 := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext.i386 := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext.x86_64 := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext.armv7 := $(CFLAGS) $(IOS6_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext.armv7f := $(CFLAGS) $(IOS6_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext.armv7k := $(CFLAGS) $(IOS6_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext.armv7s := $(CFLAGS) $(IOS6_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext_ios5.armv7 := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext_ios5.armv7f := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext_ios5.armv7k := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.cc_kext_ios5.armv7s := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.profile_osx.i386 := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS)
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CFLAGS.profile_osx.x86_64 := $(CFLAGS) $(OSX_DEPLOYMENT_ARGS)
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CFLAGS.profile_ios.i386 := $(CFLAGS) $(IOSSIM_DEPLOYMENT_ARGS)
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CFLAGS.profile_ios.x86_64 := $(CFLAGS) $(IOSSIM_DEPLOYMENT_ARGS)
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CFLAGS.profile_ios.armv7 := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.profile_ios.armv7f := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.profile_ios.armv7k := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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CFLAGS.profile_ios.armv7s := $(CFLAGS) $(IOS_DEPLOYMENT_ARGS)
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# Configure the asan_osx_dynamic library to be built shared.
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SHARED_LIBRARY.asan_osx_dynamic := 1
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LDFLAGS.asan_osx_dynamic := -framework Foundation -lstdc++
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FUNCTIONS.eprintf := eprintf
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FUNCTIONS.10.4 := eprintf floatundidf floatundisf floatundixf
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FUNCTIONS.ios := divmodsi4 udivmodsi4 mulosi4 mulodi4 muloti4
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# On x86, the divmod functions reference divsi.
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FUNCTIONS.ios.i386 := $(FUNCTIONS.ios) \
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divsi3 udivsi3
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FUNCTIONS.ios.x86_64 := $(FUNCTIONS.ios) \
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divsi3 udivsi3
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FUNCTIONS.osx := mulosi4 mulodi4 muloti4
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FUNCTIONS.profile_osx := GCDAProfiling
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FUNCTIONS.profile_ios := GCDAProfiling
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FUNCTIONS.asan_osx := $(AsanFunctions) $(InterceptionFunctions) \
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$(SanitizerCommonFunctions)
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FUNCTIONS.asan_osx_dynamic := $(AsanFunctions) $(InterceptionFunctions) \
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$(SanitizerCommonFunctions) \
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$(AsanDynamicFunctions)
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CCKEXT_COMMON_FUNCTIONS := \
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absvdi2 \
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absvsi2 \
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addvdi3 \
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addvsi3 \
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ashldi3 \
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ashrdi3 \
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bswapdi2 \
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bswapsi2 \
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clzdi2 \
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clzsi2 \
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cmpdi2 \
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ctzdi2 \
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ctzsi2 \
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divdc3 \
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divdi3 \
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divsc3 \
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divmodsi4 \
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udivmodsi4 \
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do_global_dtors \
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eprintf \
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ffsdi2 \
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fixdfdi \
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fixsfdi \
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fixunsdfdi \
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fixunsdfsi \
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fixunssfdi \
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fixunssfsi \
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floatdidf \
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floatdisf \
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floatundidf \
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floatundisf \
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gcc_bcmp \
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lshrdi3 \
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moddi3 \
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muldc3 \
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muldi3 \
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mulsc3 \
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mulvdi3 \
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mulvsi3 \
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negdi2 \
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negvdi2 \
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negvsi2 \
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paritydi2 \
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paritysi2 \
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popcountdi2 \
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popcountsi2 \
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powidf2 \
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powisf2 \
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subvdi3 \
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subvsi3 \
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ucmpdi2 \
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udiv_w_sdiv \
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udivdi3 \
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udivmoddi4 \
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umoddi3
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CCKEXT_ARM_FUNCTIONS := $(CCKEXT_COMMON_FUNCTIONS) \
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adddf3 \
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addsf3 \
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aeabi_cdcmpeq \
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aeabi_cdrcmple \
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aeabi_cfcmpeq \
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aeabi_cfrcmple \
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aeabi_dcmpeq \
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aeabi_dcmpge \
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aeabi_dcmpgt \
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aeabi_dcmple \
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aeabi_dcmplt \
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aeabi_drsub \
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aeabi_fcmpeq \
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aeabi_fcmpge \
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aeabi_fcmpgt \
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aeabi_fcmple \
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aeabi_fcmplt \
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aeabi_frsub \
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aeabi_idivmod \
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aeabi_uidivmod \
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cmpdf2 \
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cmpsf2 \
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div0 \
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divdf3 \
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divsf3 \
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divsi3 \
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extendsfdf2 \
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ffssi2 \
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fixdfsi \
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fixsfsi \
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floatsidf \
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floatsisf \
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floatunsidf \
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floatunsisf \
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comparedf2 \
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comparesf2 \
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modsi3 \
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muldf3 \
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mulsf3 \
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negdf2 \
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negsf2 \
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subdf3 \
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subsf3 \
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switch16 \
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switch32 \
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switch8 \
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switchu8 \
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truncdfsf2 \
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udivsi3 \
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umodsi3 \
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unorddf2 \
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unordsf2
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CCKEXT_ARMVFP_FUNCTIONS := $(CCKEXT_ARM_FUNCTIONS) \
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adddf3vfp \
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addsf3vfp \
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divdf3vfp \
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divsf3vfp \
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eqdf2vfp \
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eqsf2vfp \
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extendsfdf2vfp \
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fixdfsivfp \
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fixsfsivfp \
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fixunsdfsivfp \
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fixunssfsivfp \
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floatsidfvfp \
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floatsisfvfp \
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floatunssidfvfp \
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floatunssisfvfp \
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gedf2vfp \
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gesf2vfp \
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gtdf2vfp \
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gtsf2vfp \
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ledf2vfp \
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lesf2vfp \
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ltdf2vfp \
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ltsf2vfp \
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muldf3vfp \
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mulsf3vfp \
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nedf2vfp \
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nesf2vfp \
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subdf3vfp \
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subsf3vfp \
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truncdfsf2vfp \
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unorddf2vfp \
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unordsf2vfp
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FUNCTIONS.cc_kext.armv7 := $(CCKEXT_ARMVFP_FUNCTIONS)
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FUNCTIONS.cc_kext.armv7f := $(CCKEXT_ARMVFP_FUNCTIONS)
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FUNCTIONS.cc_kext.armv7k := $(CCKEXT_ARMVFP_FUNCTIONS)
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FUNCTIONS.cc_kext.armv7s := $(CCKEXT_ARMVFP_FUNCTIONS)
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FUNCTIONS.cc_kext_ios5.armv7 := $(CCKEXT_ARMVFP_FUNCTIONS)
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FUNCTIONS.cc_kext_ios5.armv7f := $(CCKEXT_ARMVFP_FUNCTIONS)
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FUNCTIONS.cc_kext_ios5.armv7k := $(CCKEXT_ARMVFP_FUNCTIONS)
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FUNCTIONS.cc_kext_ios5.armv7s := $(CCKEXT_ARMVFP_FUNCTIONS)
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CCKEXT_X86_FUNCTIONS := $(CCKEXT_COMMON_FUNCTIONS) \
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divxc3 \
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fixunsxfdi \
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fixunsxfsi \
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fixxfdi \
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floatdixf \
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floatundixf \
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mulxc3 \
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powixf2
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FUNCTIONS.cc_kext.i386 := $(CCKEXT_X86_FUNCTIONS) \
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ffssi2 \
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i686.get_pc_thunk.eax \
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i686.get_pc_thunk.ebp \
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i686.get_pc_thunk.ebx \
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i686.get_pc_thunk.ecx \
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i686.get_pc_thunk.edi \
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i686.get_pc_thunk.edx \
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i686.get_pc_thunk.esi
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FUNCTIONS.cc_kext.x86_64 := $(CCKEXT_X86_FUNCTIONS) \
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absvti2 \
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addvti3 \
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ashlti3 \
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ashrti3 \
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clzti2 \
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cmpti2 \
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ctzti2 \
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divti3 \
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ffsti2 \
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fixdfti \
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fixsfti \
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fixunsdfti \
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fixunssfti \
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fixunsxfti \
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fixxfti \
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floattidf \
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floattisf \
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floattixf \
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floatuntidf \
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floatuntisf \
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floatuntixf \
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lshrti3 \
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modti3 \
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multi3 \
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mulvti3 \
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negti2 \
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negvti2 \
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parityti2 \
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popcountti2 \
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subvti3 \
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ucmpti2 \
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udivmodti4 \
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udivti3 \
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umodti3
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# FIXME: Currently, compiler-rt is missing implementations for a number of the
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# functions that need to go into libcc_kext.a. Filter them out for now.
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CCKEXT_MISSING_FUNCTIONS := \
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cmpdf2 cmpsf2 div0 \
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ffssi2 \
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udiv_w_sdiv unorddf2 unordsf2 bswapdi2 \
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bswapsi2 \
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gcc_bcmp \
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do_global_dtors \
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i686.get_pc_thunk.eax i686.get_pc_thunk.ebp i686.get_pc_thunk.ebx \
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i686.get_pc_thunk.ecx i686.get_pc_thunk.edi i686.get_pc_thunk.edx \
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i686.get_pc_thunk.esi \
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aeabi_cdcmpeq aeabi_cdrcmple aeabi_cfcmpeq aeabi_cfrcmple aeabi_dcmpeq \
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aeabi_dcmpge aeabi_dcmpgt aeabi_dcmple aeabi_dcmplt aeabi_drsub aeabi_fcmpeq \
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aeabi_fcmpge aeabi_fcmpgt aeabi_fcmple aeabi_fcmplt aeabi_frsub aeabi_idivmod \
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aeabi_uidivmod
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FUNCTIONS.cc_kext.armv7 := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.armv7))
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FUNCTIONS.cc_kext.armv7f := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.armv7f))
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FUNCTIONS.cc_kext.armv7k := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.armv7k))
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FUNCTIONS.cc_kext.armv7s := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.armv7s))
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FUNCTIONS.cc_kext_ios5.armv7 := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext_ios5.armv7))
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FUNCTIONS.cc_kext_ios5.armv7f := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext_ios5.armv7f))
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FUNCTIONS.cc_kext_ios5.armv7k := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext_ios5.armv7k))
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FUNCTIONS.cc_kext_ios5.armv7s := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext_ios5.armv7s))
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FUNCTIONS.cc_kext.i386 := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.i386))
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FUNCTIONS.cc_kext.x86_64 := \
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$(filter-out $(CCKEXT_MISSING_FUNCTIONS),$(FUNCTIONS.cc_kext.x86_64))
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KERNEL_USE.cc_kext := 1
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KERNEL_USE.cc_kext_ios5 := 1
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VISIBILITY_HIDDEN := 1
|
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SHARED_LIBRARY_SUFFIX := dylib
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