blob: d0bd07b636a3713de1e758c8e56e91dcddb89967 [file] [log] [blame]
# This directory contains a large amount of C code which provides
# generic implementations of the core runtime library along with optimized
# architecture-specific code in various subdirectories.
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
cmake_minimum_required(VERSION 3.4.3)
project(CompilerRTBuiltins C ASM)
set(COMPILER_RT_STANDALONE_BUILD TRUE)
set(COMPILER_RT_BUILTINS_STANDALONE_BUILD TRUE)
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_SOURCE_DIR}/../../cmake"
"${CMAKE_SOURCE_DIR}/../../cmake/Modules")
include(base-config-ix)
include(CompilerRTUtils)
load_llvm_config()
construct_compiler_rt_default_triple()
if(APPLE)
include(CompilerRTDarwinUtils)
endif()
include(AddCompilerRT)
endif()
include(builtin-config-ix)
# TODO: Need to add a mechanism for logging errors when builtin source files are
# added to a sub-directory and not this CMakeLists file.
set(GENERIC_SOURCES
absvdi2.c
absvsi2.c
absvti2.c
adddf3.c
addsf3.c
addtf3.c
addvdi3.c
addvsi3.c
addvti3.c
apple_versioning.c
ashldi3.c
ashlti3.c
ashrdi3.c
ashrti3.c
bswapdi2.c
bswapsi2.c
clzdi2.c
clzsi2.c
clzti2.c
cmpdi2.c
cmpti2.c
comparedf2.c
comparesf2.c
ctzdi2.c
ctzsi2.c
ctzti2.c
divdc3.c
divdf3.c
divdi3.c
divmoddi4.c
divmodsi4.c
divsc3.c
divsf3.c
divsi3.c
divtc3.c
divti3.c
divtf3.c
extendsfdf2.c
extendhfsf2.c
ffsdi2.c
ffssi2.c
ffsti2.c
fixdfdi.c
fixdfsi.c
fixdfti.c
fixsfdi.c
fixsfsi.c
fixsfti.c
fixunsdfdi.c
fixunsdfsi.c
fixunsdfti.c
fixunssfdi.c
fixunssfsi.c
fixunssfti.c
floatdidf.c
floatdisf.c
floatsidf.c
floatsisf.c
floattidf.c
floattisf.c
floatundidf.c
floatundisf.c
floatunsidf.c
floatunsisf.c
floatuntidf.c
floatuntisf.c
int_util.c
lshrdi3.c
lshrti3.c
moddi3.c
modsi3.c
modti3.c
muldc3.c
muldf3.c
muldi3.c
mulodi4.c
mulosi4.c
muloti4.c
mulsc3.c
mulsf3.c
multi3.c
multf3.c
mulvdi3.c
mulvsi3.c
mulvti3.c
negdf2.c
negdi2.c
negsf2.c
negti2.c
negvdi2.c
negvsi2.c
negvti2.c
os_version_check.c
paritydi2.c
paritysi2.c
parityti2.c
popcountdi2.c
popcountsi2.c
popcountti2.c
powidf2.c
powisf2.c
powitf2.c
subdf3.c
subsf3.c
subvdi3.c
subvsi3.c
subvti3.c
subtf3.c
trampoline_setup.c
truncdfhf2.c
truncdfsf2.c
truncsfhf2.c
ucmpdi2.c
ucmpti2.c
udivdi3.c
udivmoddi4.c
udivmodsi4.c
udivmodti4.c
udivsi3.c
udivti3.c
umoddi3.c
umodsi3.c
umodti3.c
)
set(GENERIC_TF_SOURCES
comparetf2.c
extenddftf2.c
extendsftf2.c
fixtfdi.c
fixtfsi.c
fixtfti.c
fixunstfdi.c
fixunstfsi.c
fixunstfti.c
floatditf.c
floatsitf.c
floattitf.c
floatunditf.c
floatunsitf.c
floatuntitf.c
multc3.c
trunctfdf2.c
trunctfsf2.c
)
option(COMPILER_RT_EXCLUDE_ATOMIC_BUILTIN
"Skip the atomic builtin (these should normally be provided by a shared library)"
On)
if(NOT FUCHSIA AND NOT COMPILER_RT_BAREMETAL_BUILD)
set(GENERIC_SOURCES
${GENERIC_SOURCES}
emutls.c
enable_execute_stack.c
eprintf.c
)
endif()
if(COMPILER_RT_HAS_ATOMIC_KEYWORD AND NOT COMPILER_RT_EXCLUDE_ATOMIC_BUILTIN)
set(GENERIC_SOURCES
${GENERIC_SOURCES}
atomic.c
)
endif()
if(APPLE)
set(GENERIC_SOURCES
${GENERIC_SOURCES}
atomic_flag_clear.c
atomic_flag_clear_explicit.c
atomic_flag_test_and_set.c
atomic_flag_test_and_set_explicit.c
atomic_signal_fence.c
atomic_thread_fence.c
)
endif()
if (HAVE_UNWIND_H)
set(GENERIC_SOURCES
${GENERIC_SOURCES}
gcc_personality_v0.c
)
endif ()
if (NOT FUCHSIA)
set(GENERIC_SOURCES
${GENERIC_SOURCES}
clear_cache.c
)
endif()
# These sources work on all x86 variants, but only x86 variants.
set(x86_ARCH_SOURCES
cpu_model.c
divxc3.c
fixxfdi.c
fixxfti.c
fixunsxfdi.c
fixunsxfsi.c
fixunsxfti.c
floatdixf.c
floattixf.c
floatundixf.c
floatuntixf.c
mulxc3.c
powixf2.c
)
if (NOT MSVC)
set(x86_64_SOURCES
${GENERIC_TF_SOURCES}
x86_64/floatdidf.c
x86_64/floatdisf.c
x86_64/floatdixf.c
x86_64/floatundidf.S
x86_64/floatundisf.S
x86_64/floatundixf.S
)
filter_builtin_sources(x86_64_SOURCES EXCLUDE x86_64_SOURCES "${x86_64_SOURCES};${GENERIC_SOURCES}")
set(x86_64h_SOURCES ${x86_64_SOURCES})
if (WIN32)
set(x86_64_SOURCES
${x86_64_SOURCES}
x86_64/chkstk.S
x86_64/chkstk2.S
)
endif()
set(i386_SOURCES
i386/ashldi3.S
i386/ashrdi3.S
i386/divdi3.S
i386/floatdidf.S
i386/floatdisf.S
i386/floatdixf.S
i386/floatundidf.S
i386/floatundisf.S
i386/floatundixf.S
i386/lshrdi3.S
i386/moddi3.S
i386/muldi3.S
i386/udivdi3.S
i386/umoddi3.S
)
filter_builtin_sources(i386_SOURCES EXCLUDE i386_SOURCES "${i386_SOURCES};${GENERIC_SOURCES}")
if (WIN32)
set(i386_SOURCES
${i386_SOURCES}
i386/chkstk.S
i386/chkstk2.S
)
endif()
else () # MSVC
# Use C versions of functions when building on MSVC
# MSVC's assembler takes Intel syntax, not AT&T syntax.
# Also use only MSVC compilable builtin implementations.
set(x86_64_SOURCES
x86_64/floatdidf.c
x86_64/floatdisf.c
x86_64/floatdixf.c
${GENERIC_SOURCES}
)
set(x86_64h_SOURCES ${x86_64_SOURCES})
set(i386_SOURCES ${GENERIC_SOURCES})
endif () # if (NOT MSVC)
set(x86_64h_SOURCES ${x86_64h_SOURCES} ${x86_ARCH_SOURCES})
set(x86_64_SOURCES ${x86_64_SOURCES} ${x86_ARCH_SOURCES})
set(i386_SOURCES ${i386_SOURCES} ${x86_ARCH_SOURCES})
set(i686_SOURCES ${i686_SOURCES} ${x86_ARCH_SOURCES})
set(arm_SOURCES
arm/bswapdi2.S
arm/bswapsi2.S
arm/clzdi2.S
arm/clzsi2.S
arm/comparesf2.S
arm/divmodsi4.S
arm/divsi3.S
arm/modsi3.S
arm/sync_fetch_and_add_4.S
arm/sync_fetch_and_add_8.S
arm/sync_fetch_and_and_4.S
arm/sync_fetch_and_and_8.S
arm/sync_fetch_and_max_4.S
arm/sync_fetch_and_max_8.S
arm/sync_fetch_and_min_4.S
arm/sync_fetch_and_min_8.S
arm/sync_fetch_and_nand_4.S
arm/sync_fetch_and_nand_8.S
arm/sync_fetch_and_or_4.S
arm/sync_fetch_and_or_8.S
arm/sync_fetch_and_sub_4.S
arm/sync_fetch_and_sub_8.S
arm/sync_fetch_and_umax_4.S
arm/sync_fetch_and_umax_8.S
arm/sync_fetch_and_umin_4.S
arm/sync_fetch_and_umin_8.S
arm/sync_fetch_and_xor_4.S
arm/sync_fetch_and_xor_8.S
arm/udivmodsi4.S
arm/udivsi3.S
arm/umodsi3.S
)
filter_builtin_sources(arm_SOURCES EXCLUDE arm_SOURCES "${arm_SOURCES};${GENERIC_SOURCES}")
set(thumb1_SOURCES
arm/divsi3.S
arm/udivsi3.S
arm/comparesf2.S
arm/addsf3.S
${GENERIC_SOURCES}
)
set(arm_EABI_SOURCES
arm/aeabi_cdcmp.S
arm/aeabi_cdcmpeq_check_nan.c
arm/aeabi_cfcmp.S
arm/aeabi_cfcmpeq_check_nan.c
arm/aeabi_dcmp.S
arm/aeabi_div0.c
arm/aeabi_drsub.c
arm/aeabi_fcmp.S
arm/aeabi_frsub.c
arm/aeabi_idivmod.S
arm/aeabi_ldivmod.S
arm/aeabi_memcmp.S
arm/aeabi_memcpy.S
arm/aeabi_memmove.S
arm/aeabi_memset.S
arm/aeabi_uidivmod.S
arm/aeabi_uldivmod.S
)
set(arm_Thumb1_JT_SOURCES
arm/switch16.S
arm/switch32.S
arm/switch8.S
arm/switchu8.S
)
set(arm_Thumb1_SjLj_EH_SOURCES
arm/restore_vfp_d8_d15_regs.S
arm/save_vfp_d8_d15_regs.S
)
set(arm_Thumb1_VFPv2_SOURCES
arm/adddf3vfp.S
arm/addsf3vfp.S
arm/divdf3vfp.S
arm/divsf3vfp.S
arm/eqdf2vfp.S
arm/eqsf2vfp.S
arm/extendsfdf2vfp.S
arm/fixdfsivfp.S
arm/fixsfsivfp.S
arm/fixunsdfsivfp.S
arm/fixunssfsivfp.S
arm/floatsidfvfp.S
arm/floatsisfvfp.S
arm/floatunssidfvfp.S
arm/floatunssisfvfp.S
arm/gedf2vfp.S
arm/gesf2vfp.S
arm/gtdf2vfp.S
arm/gtsf2vfp.S
arm/ledf2vfp.S
arm/lesf2vfp.S
arm/ltdf2vfp.S
arm/ltsf2vfp.S
arm/muldf3vfp.S
arm/mulsf3vfp.S
arm/nedf2vfp.S
arm/negdf2vfp.S
arm/negsf2vfp.S
arm/nesf2vfp.S
arm/subdf3vfp.S
arm/subsf3vfp.S
arm/truncdfsf2vfp.S
arm/unorddf2vfp.S
arm/unordsf2vfp.S
)
set(arm_Thumb1_icache_SOURCES
arm/sync_synchronize.S
)
set(arm_Thumb1_SOURCES
${arm_Thumb1_JT_SOURCES}
${arm_Thumb1_SjLj_EH_SOURCES}
${arm_Thumb1_VFPv2_SOURCES}
${arm_Thumb1_icache_SOURCES}
)
if(MINGW)
set(arm_SOURCES
arm/aeabi_idivmod.S
arm/aeabi_ldivmod.S
arm/aeabi_uidivmod.S
arm/aeabi_uldivmod.S
arm/chkstk.S
divmoddi4.c
divmodsi4.c
divdi3.c
divsi3.c
fixdfdi.c
fixsfdi.c
fixunsdfdi.c
fixunssfdi.c
floatdidf.c
floatdisf.c
floatundidf.c
floatundisf.c
mingw_fixfloat.c
moddi3.c
udivmoddi4.c
udivmodsi4.c
udivsi3.c
umoddi3.c
emutls.c
)
filter_builtin_sources(arm_SOURCES EXCLUDE arm_SOURCES "${arm_SOURCES};${GENERIC_SOURCES}")
elseif(NOT WIN32)
# TODO the EABI sources should only be added to EABI targets
set(arm_SOURCES
${arm_SOURCES}
${arm_EABI_SOURCES}
${arm_Thumb1_SOURCES}
)
set(thumb1_SOURCES
${thumb1_SOURCES}
${arm_EABI_SOURCES}
)
endif()
set(aarch64_SOURCES
${GENERIC_TF_SOURCES}
${GENERIC_SOURCES}
)
if (MINGW)
set(aarch64_SOURCES
${aarch64_SOURCES}
aarch64/chkstk.S
)
endif()
set(armhf_SOURCES ${arm_SOURCES})
set(armv7_SOURCES ${arm_SOURCES})
set(armv7s_SOURCES ${arm_SOURCES})
set(armv7k_SOURCES ${arm_SOURCES})
set(arm64_SOURCES ${aarch64_SOURCES})
# macho_embedded archs
set(armv6m_SOURCES ${thumb1_SOURCES})
set(armv7m_SOURCES ${arm_SOURCES})
set(armv7em_SOURCES ${arm_SOURCES})
# hexagon arch
set(hexagon_SOURCES ${GENERIC_SOURCES} ${GENERIC_TF_SOURCES})
set(hexagon_SOURCES
hexagon/common_entry_exit_abi1.S
hexagon/common_entry_exit_abi2.S
hexagon/common_entry_exit_legacy.S
hexagon/dfaddsub.S
hexagon/dfdiv.S
hexagon/dffma.S
hexagon/dfminmax.S
hexagon/dfmul.S
hexagon/dfsqrt.S
hexagon/divdi3.S
hexagon/divsi3.S
hexagon/fabs_opt.S
hexagon/fastmath2_dlib_asm.S
hexagon/fastmath2_ldlib_asm.S
hexagon/fastmath_dlib_asm.S
hexagon/fma_opt.S
hexagon/fmax_opt.S
hexagon/fmin_opt.S
hexagon/memcpy_forward_vp4cp4n2.S
hexagon/memcpy_likely_aligned.S
hexagon/moddi3.S
hexagon/modsi3.S
hexagon/sfdiv_opt.S
hexagon/sfsqrt_opt.S
hexagon/udivdi3.S
hexagon/udivmoddi4.S
hexagon/udivmodsi4.S
hexagon/udivsi3.S
hexagon/umoddi3.S
hexagon/umodsi3.S
)
set(mips_SOURCES ${GENERIC_SOURCES})
set(mipsel_SOURCES ${mips_SOURCES})
set(mips64_SOURCES ${GENERIC_TF_SOURCES}
${mips_SOURCES})
set(mips64el_SOURCES ${GENERIC_TF_SOURCES}
${mips_SOURCES})
set(powerpc64_SOURCES
ppc/divtc3.c
ppc/fixtfdi.c
ppc/fixunstfti.c
ppc/fixunstfdi.c
ppc/floattitf.c
ppc/floatditf.c
ppc/floatunditf.c
ppc/gcc_qadd.c
ppc/gcc_qdiv.c
ppc/gcc_qmul.c
ppc/gcc_qsub.c
ppc/multc3.c
${GENERIC_SOURCES}
)
set(powerpc64le_SOURCES ${powerpc64_SOURCES})
set(riscv_SOURCES ${GENERIC_SOURCES} ${GENERIC_TF_SOURCES})
set(riscv32_SOURCES
riscv/mulsi3.S
${riscv_SOURCES}
)
set(riscv64_SOURCES ${riscv_SOURCES})
set(wasm32_SOURCES
${GENERIC_TF_SOURCES}
${GENERIC_SOURCES}
)
set(wasm64_SOURCES
${GENERIC_TF_SOURCES}
${GENERIC_SOURCES}
)
add_custom_target(builtins)
set_target_properties(builtins PROPERTIES FOLDER "Compiler-RT Misc")
if (APPLE)
add_subdirectory(Darwin-excludes)
add_subdirectory(macho_embedded)
darwin_add_builtin_libraries(${BUILTIN_SUPPORTED_OS})
else ()
set(BUILTIN_CFLAGS "")
append_list_if(COMPILER_RT_HAS_STD_C11_FLAG -std=c11 BUILTIN_CFLAGS)
# These flags would normally be added to CMAKE_C_FLAGS by the llvm
# cmake step. Add them manually if this is a standalone build.
if(COMPILER_RT_STANDALONE_BUILD)
append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC BUILTIN_CFLAGS)
append_list_if(COMPILER_RT_HAS_FNO_BUILTIN_FLAG -fno-builtin BUILTIN_CFLAGS)
if(NOT ANDROID)
append_list_if(COMPILER_RT_HAS_VISIBILITY_HIDDEN_FLAG -fvisibility=hidden BUILTIN_CFLAGS)
endif()
if(NOT COMPILER_RT_DEBUG)
append_list_if(COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG -fomit-frame-pointer BUILTIN_CFLAGS)
endif()
endif()
set(BUILTIN_DEFS "")
if(NOT ANDROID)
append_list_if(COMPILER_RT_HAS_VISIBILITY_HIDDEN_FLAG VISIBILITY_HIDDEN BUILTIN_DEFS)
endif()
foreach (arch ${BUILTIN_SUPPORTED_ARCH})
if (CAN_TARGET_${arch})
# NOTE: some architectures (e.g. i386) have multiple names. Ensure that
# we catch them all.
set(_arch ${arch})
if("${arch}" STREQUAL "armv6m")
set(_arch "arm|armv6m")
elseif("${arch}" MATCHES "^(armhf|armv7|armv7s|armv7k|armv7m|armv7em)$")
set(_arch "arm")
endif()
# For ARM archs, exclude any VFP builtins if VFP is not supported
if (${arch} MATCHES "^(arm|armhf|armv7|armv7s|armv7k|armv7m|armv7em)$")
string(REPLACE ";" " " _TARGET_${arch}_CFLAGS "${TARGET_${arch}_CFLAGS}")
check_compile_definition(__VFP_FP__ "${CMAKE_C_FLAGS} ${_TARGET_${arch}_CFLAGS}" COMPILER_RT_HAS_${arch}_VFP)
if(NOT COMPILER_RT_HAS_${arch}_VFP)
list(REMOVE_ITEM ${arch}_SOURCES ${arm_Thumb1_VFPv2_SOURCES} ${arm_Thumb1_SjLj_EH_SOURCES})
endif()
endif()
# Filter out generic versions of routines that are re-implemented in
# architecture specific manner. This prevents multiple definitions of the
# same symbols, making the symbol selection non-deterministic.
foreach (_file ${${arch}_SOURCES})
if (${_file} MATCHES ${_arch}/*)
get_filename_component(_name ${_file} NAME)
string(REPLACE ".S" ".c" _cname "${_name}")
list(REMOVE_ITEM ${arch}_SOURCES ${_cname})
endif ()
endforeach ()
# Needed for clear_cache on debug mode, due to r7's usage in inline asm.
# Release mode already sets it via -O2/3, Debug mode doesn't.
if (${arch} STREQUAL "armhf")
list(APPEND BUILTIN_CFLAGS -fomit-frame-pointer -DCOMPILER_RT_ARMHF_TARGET)
endif()
# For RISCV32, we must force enable int128 for compiling long
# double routines.
if("${arch}" STREQUAL "riscv32")
list(APPEND BUILTIN_CFLAGS -fforce-enable-int128)
endif()
add_compiler_rt_runtime(clang_rt.builtins
STATIC
ARCHS ${arch}
SOURCES ${${arch}_SOURCES}
DEFS ${BUILTIN_DEFS}
CFLAGS ${BUILTIN_CFLAGS}
PARENT_TARGET builtins)
endif ()
endforeach ()
endif ()
add_dependencies(compiler-rt builtins)