# Copyright 2021 The Cobalt Authors. All Rights Reserved.
#
# 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
#
#     http://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.

config("compiler_rt_config") {
  cflags = [ "-nostdinc" ]
  cflags_cc = [
    "-std=c++11",
    "-nostdinc++",
    "-fvisibility-inlines-hidden",
    "-fms-compatibility-version=19.00",
    "-Wall",
    "-Wextra",
    "-Wwrite-strings",
    "-Wno-long-long",
    "-Werror=return-type",
    "-Wno-user-defined-literals",
    "-Wno-bitwise-op-parentheses",
    "-Wno-shift-op-parentheses",
    "-Wno-error",
    "-Wno-unused-parameter",
    "-Wno-unused-command-line-argument",
    "-fPIC",
  ]
}

static_library("compiler_rt") {
  sources = [
    "lib/builtins/udivmodti4.c",
    "lib/builtins/udivti3.c",
    "lib/builtins/umodti3.c",
  ]
  if (target_cpu == "arm") {
    sources += [
      "lib/builtins/arm/aeabi_idivmod.S",
      "lib/builtins/arm/aeabi_ldivmod.S",
      "lib/builtins/arm/aeabi_memcmp.S",
      "lib/builtins/arm/aeabi_memcpy.S",
      "lib/builtins/arm/aeabi_memmove.S",
      "lib/builtins/arm/aeabi_memset.S",
      "lib/builtins/arm/aeabi_uidivmod.S",
      "lib/builtins/arm/aeabi_uldivmod.S",
      "lib/builtins/divdi3.c",
      "lib/builtins/divmoddi4.c",
      "lib/builtins/divmodsi4.c",
      "lib/builtins/divsi3.c",
      "lib/builtins/fixdfdi.c",
      "lib/builtins/fixsfdi.c",
      "lib/builtins/fixunsdfdi.c",
      "lib/builtins/fixunssfdi.c",
      "lib/builtins/floatdidf.c",
      "lib/builtins/floatdisf.c",
      "lib/builtins/floatundidf.c",
      "lib/builtins/floatundisf.c",
      "lib/builtins/udivmoddi4.c",
      "lib/builtins/udivmodsi4.c",
      "lib/builtins/udivsi3.c",
    ]
  } else if (target_cpu == "arm64") {
    sources += [
      "lib/builtins/addtf3.c",
      "lib/builtins/comparetf2.c",
      "lib/builtins/divtf3.c",
      "lib/builtins/extenddftf2.c",
      "lib/builtins/extendsftf2.c",
      "lib/builtins/fixtfsi.c",
      "lib/builtins/floatsitf.c",
      "lib/builtins/floatunsitf.c",
      "lib/builtins/multf3.c",
      "lib/builtins/subtf3.c",
      "lib/builtins/trunctfdf2.c",
      "lib/builtins/trunctfsf2.c",
    ]
  } else if (target_cpu == "x86") {
    sources += [
      "lib/builtins/i386/divdi3.S",
      "lib/builtins/i386/moddi3.S",
      "lib/builtins/i386/udivdi3.S",
      "lib/builtins/i386/umoddi3.S",
    ]
  }

  configs += [ ":compiler_rt_config" ]
}