pw_toolchain_bazel/build_external/gcc_arm_none_eabi.BUILD

# 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.

load(
    "@pw_toolchain//cc_toolchain:defs.bzl",
    "pw_cc_action_config",
    "pw_cc_action_files",
    "pw_cc_tool",
)

package(default_visibility = ["//visibility:public"])

licenses(["notice"])

# This build file defines a complete set of tools for an arm-none-eabi GNU
# binutils-based toolchain.

exports_files(glob(["**"]))

pw_cc_action_files(
    name = "all",
    actions = ["@pw_toolchain//actions:all_actions"],
    srcs = glob(["**"]),
    visibility = ["//visibility:public"],
)

pw_cc_tool(
    name = "arm-none-eabi-ar_tool",
    tool = select({
        "@platforms//os:windows": "//:bin/arm-none-eabi-ar.exe",
        "//conditions:default": "//:bin/arm-none-eabi-ar",
    }),
)

pw_cc_action_config(
    name = "arm-none-eabi-ar",
    action_names = ["@pw_toolchain//actions:all_ar_actions"],
    # Unlike most legacy features required to compile code, these features
    # aren't enabled by default, and are instead only implied by the built-in
    # action configs. We imply the features here to match the behavior of the
    # built-in action configs so flags are actually passed to `ar`.
    implies = [
        "@pw_toolchain//features/legacy:archiver_flags",
        "@pw_toolchain//features/legacy:linker_param_file",
    ],
    tools = [":arm-none-eabi-ar_tool"],
)

pw_cc_tool(
    name = "arm-none-eabi-g++_tool",
    tool = select({
        "@platforms//os:windows": "//:bin/arm-none-eabi-g++.exe",
        "//conditions:default": "//:bin/arm-none-eabi-g++",
    }),
    additional_files = glob([
        "**/*.spec",
        "**/*.specs",
        "arm-none-eabi/include/**",
        "lib/gcc/arm-none-eabi/*/include/**",
        "lib/gcc/arm-none-eabi/*/include-fixed/**",
        "libexec/**",
    ]),
)

pw_cc_action_config(
    name = "arm-none-eabi-g++",
    action_names = ["@pw_toolchain//actions:all_cpp_compiler_actions"],
    tools = [":arm-none-eabi-g++_tool"],
)

pw_cc_tool(
    name = "arm-none-eabi-gcc_tool",
    tool = select({
        "@platforms//os:windows": "//:bin/arm-none-eabi-gcc.exe",
        "//conditions:default": "//:bin/arm-none-eabi-gcc",
    }),
    additional_files = glob([
        "**/*.spec",
        "**/*.specs",
        "arm-none-eabi/include/**",
        "lib/gcc/arm-none-eabi/*/include/**",
        "lib/gcc/arm-none-eabi/*/include-fixed/**",
        "libexec/**",
    ]) +
    # The assembler needs to be explicilty added. Note that the path is
    # intentionally different here as `as` is called from arm-none-eabi-gcc.
    # `arm-none-eabi-as` will not suffice for this context.
    select({
        "@platforms//os:windows": ["//:arm-none-eabi/bin/as.exe"],
        "//conditions:default": ["//:arm-none-eabi/bin/as"],
    }),
)

pw_cc_action_config(
    name = "arm-none-eabi-gcc",
    action_names = [
        "@pw_toolchain//actions:all_asm_actions",
        "@pw_toolchain//actions:all_c_compiler_actions",
    ],
    tools = [":arm-none-eabi-gcc_tool"],
)

# This tool is actually just g++ under the hood, we just enumerate this
# tool differently to specify a different set of additional files.
pw_cc_tool(
    name = "arm-none-eabi-ld_tool",
    tool = select({
        "@platforms//os:windows": "//:bin/arm-none-eabi-g++.exe",
        "//conditions:default": "//:bin/arm-none-eabi-g++",
    }),
    additional_files = glob([
        "**/*.a",
        "**/*.ld",
        "**/*.o",
        "**/*.spec",
        "**/*.specs",
        "**/*.so",
        "libexec/**",
    ]),
)

pw_cc_action_config(
    name = "arm-none-eabi-ld",
    action_names = ["@pw_toolchain//actions:all_link_actions"],
    tools = [":arm-none-eabi-ld_tool"],
)

pw_cc_tool(
    name = "arm-none-eabi-gcov_tool",
    tool = select({
        "@platforms//os:windows": "//:bin/arm-none-eabi-gcov.exe",
        "//conditions:default": "//:bin/arm-none-eabi-gcov",
    }),
)

pw_cc_action_config(
    name = "arm-none-eabi-gcov",
    action_names = ["@pw_toolchain//actions:all_coverage_actions"],
    tools = [":arm-none-eabi-gcov_tool"],
)

pw_cc_tool(
    name = "arm-none-eabi-objcopy_tool",
    tool = select({
        "@platforms//os:windows": "//:bin/arm-none-eabi-objcopy.exe",
        "//conditions:default": "//:bin/arm-none-eabi-objcopy",
    }),
)

pw_cc_action_config(
    name = "arm-none-eabi-objcopy",
    action_names = ["@pw_toolchain//actions:all_objcopy_actions"],
    tools = [":arm-none-eabi-objcopy_tool"],
)

pw_cc_tool(
    name = "arm-none-eabi-objdump_tool",
    tool = select({
        "@platforms//os:windows": "//:bin/arm-none-eabi-objdump.exe",
        "//conditions:default": "//:bin/arm-none-eabi-objdump",
    }),
)

pw_cc_action_config(
    name = "arm-none-eabi-objdump",
    action_names = ["@pw_toolchain//actions:all_objdump_actions"],
    tools = [":arm-none-eabi-objdump_tool"],
)

pw_cc_tool(
    name = "arm-none-eabi-strip_tool",
    tool = select({
        "@platforms//os:windows": "//:bin/arm-none-eabi-strip.exe",
        "//conditions:default": "//:bin/arm-none-eabi-strip",
    }),
)

pw_cc_action_config(
    name = "arm-none-eabi-strip",
    action_names = ["@pw_toolchain//actions:all_strip_actions"],
    tools = [":arm-none-eabi-strip_tool"],
)