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# Copyright 2023 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
import("//build_overrides/pigweed.gni")
import("$dir_pw_build/error.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")
declare_args() {
# This should be set to the path of the llvm compiler-rt/builtins directory.
dir_pw_third_party_llvm_builtins = ""
# Points to a pw_source_set that enumerates builtins specific to
# the current toolchain.
pw_third_party_llvm_builtins_TARGET_BUILTINS = ""
# List of files to be excluded from the builtins repo.
pw_third_party_llvm_builtins_ignore_list = []
}
config("no-warnings") {
cflags = [
"-Wno-double-promotion",
"-Wno-undef",
"-Wno-unused-parameter",
"-Wno-strict-prototypes",
]
}
files = [
"absvdi2.c",
"absvsi2.c",
"absvti2.c",
"adddf3.c",
"addsf3.c",
"addtf3.c",
"addvdi3.c",
"addvsi3.c",
"addvti3.c",
"ashldi3.c",
"ashlti3.c",
"ashrdi3.c",
"ashrti3.c",
"clzti2.c",
"cmpdi2.c",
"cmpti2.c",
"comparedf2.c",
"ctzdi2.c",
"ctzsi2.c",
"ctzti2.c",
"divdc3.c",
"divdf3.c",
"divdi3.c",
"divmoddi4.c",
"divsc3.c",
"divsf3.c",
"divtc3.c",
"divtf3.c",
"divti3.c",
"extendhfsf2.c",
"extendsfdf2.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",
"modti3.c",
"muldc3.c",
"muldf3.c",
"muldi3.c",
"mulodi4.c",
"mulosi4.c",
"muloti4.c",
"mulsc3.c",
"mulsf3.c",
"multf3.c",
"multi3.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",
"subtf3.c",
"subvdi3.c",
"subvsi3.c",
"subvti3.c",
"trampoline_setup.c",
"truncdfhf2.c",
"truncdfsf2.c",
"truncsfhf2.c",
"ucmpdi2.c",
"ucmpti2.c",
"udivdi3.c",
"udivmoddi4.c",
"udivmodti4.c",
"udivti3.c",
"umoddi3.c",
"umodti3.c",
]
# Because this is unconditionally added to all clang-based ARM toolchains,
# this library should be a no-op if `dir_pw_third_party_llvm_builtins` is
# not configured.
pw_source_set("arm_builtins") {
configs = [ ":no-warnings" ]
remove_configs = [ "//pw_build:extra_strict_warnings" ]
sources = []
arm_files = [
"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",
"arm/bswapdi2.S",
"arm/bswapsi2.S",
"arm/clzdi2.S",
"arm/clzsi2.S",
"arm/comparesf2.S",
"arm/divmodsi4.S",
"arm/divsi3.S",
"arm/fp_mode.c",
"arm/modsi3.S",
"arm/switch16.S",
"arm/switch32.S",
"arm/switch8.S",
"arm/switchu8.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/sync_synchronize.S",
"arm/udivmodsi4.S",
"arm/udivsi3.S",
"arm/umodsi3.S",
]
if (dir_pw_third_party_llvm_builtins != "") {
effective_arm_files =
filter_exclude(arm_files, pw_third_party_llvm_builtins_ignore_list)
foreach(file, effective_arm_files) {
sources += [ "$dir_pw_third_party_llvm_builtins/$file" ]
}
} else {
not_needed([ "arm_files" ])
}
}
# Because this is unconditionally added to all clang-based ARM toolchains,
# this library should be a no-op if `dir_pw_third_party_llvm_builtins` is
# not configured.
pw_static_library("llvm_builtins") {
add_global_link_deps = false
configs = [ ":no-warnings" ]
remove_configs = [ "//pw_build:extra_strict_warnings" ]
sources = []
if (dir_pw_third_party_llvm_builtins != "") {
effective_files =
filter_exclude(files, pw_third_party_llvm_builtins_ignore_list)
foreach(file, effective_files) {
sources += [ "$dir_pw_third_party_llvm_builtins/$file" ]
}
} else {
not_needed([ "files" ])
}
# Architecture specific pw_source_set created from LLVM builtins
# source files. e.g. arm_builtins. If this property is not set, no
# architecture specific builtin functions will be included from the repo.
if (pw_third_party_llvm_builtins_TARGET_BUILTINS != "") {
deps = [ pw_third_party_llvm_builtins_TARGET_BUILTINS ]
}
}
pw_doc_group("docs") {
sources = [ "docs.rst" ]
}
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