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0315980bb8
Clang only supports atomic operations for ARMv6. For non-ARMv6, we still need to emit these functions. Clang's prototype for these functions slightly differs, as it is truly based on GCC's documentation. It requires the use of signed types, but also requires varargs. Still, we are not allowed to simply implement this function directly. Cleverly work around this by implementing it under a different name and using __strong_reference().
212 lines
3.4 KiB
Makefile
212 lines
3.4 KiB
Makefile
# $FreeBSD$
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.include <bsd.own.mk>
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LIB= compiler_rt
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NO_PIC=
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WARNS?= 2
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CFLAGS+=${PICFLAG} -fvisibility=hidden -DVISIBILITY_HIDDEN
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.if ${MACHINE_CPUARCH} == "amd64"
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CRTARCH=x86_64
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.else
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CRTARCH=${MACHINE_CPUARCH}
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.endif
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CRTSRC=${.CURDIR}/../../contrib/compiler-rt/lib
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.PATH: ${CRTSRC}/${CRTARCH} ${CRTSRC}
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SRCF= absvdi2 \
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absvsi2 \
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absvti2 \
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addvdi3 \
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addvsi3 \
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addvti3 \
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ashldi3 \
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ashlti3 \
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ashrdi3 \
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ashrti3 \
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clzdi2 \
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clzsi2 \
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clzti2 \
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cmpdi2 \
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cmpti2 \
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comparedf2 \
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comparesf2 \
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ctzdi2 \
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ctzsi2 \
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ctzti2 \
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divdc3 \
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divdi3 \
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divmoddi4 \
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divmodsi4 \
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divsc3 \
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divti3 \
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divxc3 \
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enable_execute_stack \
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eprintf \
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ffsdi2 \
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ffsti2 \
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fixdfdi \
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fixdfti \
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fixsfdi \
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fixsfti \
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fixunsdfdi \
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fixunsdfsi \
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fixunsdfti \
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fixunssfdi \
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fixunssfsi \
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fixunssfti \
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fixunsxfdi \
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fixunsxfsi \
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fixunsxfti \
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fixxfdi \
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fixxfti \
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floatdidf \
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floatdisf \
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floatdixf \
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floattidf \
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floattisf \
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floattixf \
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floatundidf \
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floatundisf \
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floatundixf \
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floatunsidf \
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floatunsisf \
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floatuntidf \
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floatuntisf \
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floatuntixf \
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int_util \
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lshrdi3 \
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lshrti3 \
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moddi3 \
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modti3 \
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muldc3 \
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muldi3 \
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mulodi4 \
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mulosi4 \
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muloti4 \
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mulsc3 \
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multi3 \
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mulvdi3 \
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mulvsi3 \
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mulvti3 \
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mulxc3 \
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negdf2 \
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negdi2 \
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negsf2 \
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negti2 \
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negvdi2 \
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negvsi2 \
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negvti2 \
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paritydi2 \
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paritysi2 \
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parityti2 \
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popcountdi2 \
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popcountsi2 \
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popcountti2 \
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powidf2 \
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powisf2 \
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powitf2 \
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powixf2 \
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subvdi3 \
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subvsi3 \
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subvti3 \
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trampoline_setup \
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ucmpdi2 \
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ucmpti2 \
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udivdi3 \
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udivmoddi4 \
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udivmodsi4 \
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udivmodti4 \
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udivti3 \
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umoddi3 \
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umodti3
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# Don't build clear_cache on ARM with clang as it is a builtin there.
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.if ${MACHINE_CPUARCH} != "arm" || ${COMPILER_TYPE} != "clang"
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SRCF+= clear_cache
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.endif
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# These are already shipped by libc.a on arm and mips
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.if ${MACHINE_CPUARCH} != "arm" && ${MACHINE_CPUARCH} != "mips"
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SRCF+= adddf3 \
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addsf3 \
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divdf3 \
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divsf3 \
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extendsfdf2 \
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fixdfsi \
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fixsfsi \
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floatsidf \
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floatsisf \
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muldf3 \
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mulsf3 \
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subdf3 \
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subsf3 \
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truncdfsf2
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.endif
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.if ${MACHINE_CPUARCH} != "mips" && \
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(${MACHINE_CPUARCH} != "arm" || ${MK_ARM_EABI} != "no")
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SRCF+= divsi3 \
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modsi3 \
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udivsi3 \
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umodsi3
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.endif
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# FreeBSD-specific atomic intrinsics.
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.if ${MACHINE_CPUARCH} == "arm" || ${MACHINE_CPUARCH} == "mips"
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SRCF+= __sync_fetch_and_add_4 \
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__sync_fetch_and_and_4 \
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__sync_fetch_and_or_4 \
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__sync_fetch_and_sub_4 \
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__sync_fetch_and_xor_4 \
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__sync_lock_test_and_set_4 \
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__sync_val_compare_and_swap_4
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.endif
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.if ${MACHINE_ARCH:Mmips64*} != ""
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SRCF+= __sync_fetch_and_add_8 \
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__sync_fetch_and_and_8 \
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__sync_fetch_and_or_8 \
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__sync_fetch_and_sub_8 \
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__sync_fetch_and_xor_8 \
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__sync_lock_test_and_set_8 \
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__sync_val_compare_and_swap_8
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.endif
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.for file in ${SRCF}
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. if ${MACHINE_CPUARCH} != "arm" && exists(${CRTSRC}/${CRTARCH}/${file}.S)
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SRCS+= ${file}.S
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. else
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SRCS+= ${file}.c
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. endif
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.endfor
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.if ${MACHINE_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
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SRCS+= aeabi_idivmod.S \
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aeabi_ldivmod.S \
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aeabi_memcmp.S \
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aeabi_memcpy.S \
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aeabi_memmove.S \
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aeabi_memset.S \
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aeabi_uidivmod.S \
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aeabi_uldivmod.S
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.endif
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.if ${MK_INSTALLLIB} != "no"
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SYMLINKS+=libcompiler_rt.a ${LIBDIR}/libgcc.a
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.endif
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.if ${MK_PROFILE} != "no"
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SYMLINKS+=libcompiler_rt_p.a ${LIBDIR}/libgcc_p.a
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.endif
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.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386" || \
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${MACHINE_CPUARCH} == "powerpc"
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AFLAGS+=--noexecstack
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ACFLAGS+=-Wa,--noexecstack
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.endif
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.include <bsd.lib.mk>
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