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# Copyright 2018 The Hafnium 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.
# Template for host toolchains.
template("host_cc_toolchain") {
toolchain(target_name) {
assert(defined(invoker.ar), "\"ar\" must be defined for ${target_name}.")
assert(defined(invoker.cc), "\"cc\" must be defined for ${target_name}.")
assert(defined(invoker.cxx), "\"cxx\" must be defined for ${target_name}.")
# Collect extra flags from the toolchain.
extra_defines = ""
extra_cflags = ""
extra_ldflags = ""
if (defined(invoker.extra_defines)) {
extra_defines += " ${invoker.extra_defines}"
}
if (defined(invoker.extra_cflags)) {
extra_cflags += " ${invoker.extra_cflags}"
}
if (defined(invoker.extra_ldflags)) {
extra_ldflags += " ${invoker.extra_ldflags}"
}
tool("cc") {
depfile = "{{output}}.d"
command = "${invoker.cc} -MMD -MF $depfile ${extra_defines} {{defines}} {{include_dirs}} ${extra_cflags} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
depsformat = "gcc"
description = "CC {{output}}"
outputs = [
"{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
]
}
tool("cxx") {
depfile = "{{output}}.d"
command = "${invoker.cxx} -MMD -MF $depfile ${extra_defines} {{defines}} {{include_dirs}} ${extra_cflags} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
depsformat = "gcc"
description = "CXX {{output}}"
outputs = [
"{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
]
}
tool("alink") {
rspfile = "{{output}}.rsp"
command = "rm -f {{output}} && ${invoker.ar} rcs {{output}} @$rspfile"
description = "AR {{target_output_name}}{{output_extension}}"
rspfile_content = "{{inputs}}"
outputs = [
"{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
]
default_output_extension = ".a"
output_prefix = "lib"
}
tool("solink") {
soname = "{{target_output_name}}{{output_extension}}" # e.g. "libfoo.so".
sofile = "{{output_dir}}/$soname"
rspfile = soname + ".rsp"
command = "${invoker.cxx} -shared ${extra_ldflags} {{ldflags}} -o $sofile -Wl,-soname=$soname @$rspfile"
rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}"
description = "SOLINK $soname"
# Use this for {{output_extension}} expansions unless a target manually
# overrides it (in which case {{output_extension}} will be what the target
# specifies).
default_output_extension = ".so"
# Use this for {{output_dir}} expansions unless a target manually overrides
# it (in which case {{output_dir}} will be what the target specifies).
default_output_dir = "{{root_out_dir}}"
outputs = [
sofile,
]
link_output = sofile
depend_output = sofile
output_prefix = "lib"
}
tool("link") {
outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
rspfile = "$outfile.rsp"
command = "${invoker.cxx} ${extra_ldflags} {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group {{libs}}"
description = "LINK $outfile"
default_output_dir = "{{root_out_dir}}"
rspfile_content = "{{inputs}}"
outputs = [
outfile,
]
}
tool("stamp") {
command = "touch {{output}}"
description = "STAMP {{output}}"
}
tool("copy") {
command = "cp -af {{source}} {{output}}"
description = "COPY {{source}} {{output}}"
}
if (defined(invoker.toolchain_args)) {
toolchain_args = {
forward_variables_from(invoker.toolchain_args, "*")
}
}
}
}
template("host_toolchain") {
assert(defined(invoker.use_platform),
"\"use_platform\" must be defined for ${target_name}.")
if (invoker.use_platform) {
assert(defined(invoker.heap_pages),
"\"heap_pages\" must be defined for ${target_name}.")
assert(defined(invoker.max_cpus),
"\"max_cpus\" must be defined for ${target_name}.")
assert(defined(invoker.max_vms),
"\"max_vms\" must be defined for ${target_name}.")
}
# Specialize for clang.
host_cc_toolchain("${target_name}_clang") {
ar = "llvm-ar"
cc = "clang -fcolor-diagnostics"
cxx = "clang++ -fcolor-diagnostics -stdlib=libc++"
# TODO: remove the need for this
extra_defines = "-DPL011_BASE=0"
if (invoker.use_platform) {
toolchain_args = {
use_platform = true
# When building for the ${target_name}, use the fake architecture to make things
# testable.
plat_arch = "fake"
plat_console = "//src/arch/fake:console"
plat_heap_pages = invoker.heap_pages
plat_max_cpus = invoker.max_cpus
plat_max_vms = invoker.max_vms
}
}
}
# Specialize for gcc.
host_cc_toolchain("${target_name}_gcc") {
ar = "ar"
cc = "gcc -fdiagnostics-color=always"
cxx = "g++ -fdiagnostics-color=always"
# TODO: remove the need for this
extra_defines = "-DPL011_BASE=0"
if (invoker.use_platform) {
toolchain_args = {
use_platform = true
# When building for the ${target_name}, use the fake architecture to make things
# testable.
plat_arch = "fake"
plat_console = "//src/arch/fake:console"
plat_heap_pages = invoker.heap_pages
plat_max_cpus = invoker.max_cpus
plat_max_vms = invoker.max_vms
}
}
}
}