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# 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.
_elf_loader_sources = [
"dynamic_section.cc",
"dynamic_section.h",
"elf_hash_table.cc",
"elf_hash_table.h",
"elf_header.cc",
"elf_header.h",
"elf_loader.cc",
"elf_loader.h",
"elf_loader_constants.cc",
"elf_loader_constants.h",
"exported_symbols.cc",
"file.h",
"file_impl.cc",
"file_impl.h",
"gnu_hash_table.cc",
"gnu_hash_table.h",
"lz4_file_impl.cc",
"lz4_file_impl.h",
"program_table.cc",
"program_table.h",
"relocations.cc",
"relocations.h",
]
config("elf_loader_config") {
include_dirs = [
"src/include",
"src/src",
]
}
static_library("elf_loader") {
sources = _elf_loader_sources + [
"elf_loader_impl.cc",
"elf_loader_impl.h",
]
configs += [ ":elf_loader_config" ]
deps = [
":evergreen_config",
":evergreen_info",
"//starboard",
"//third_party/lz4_lib:lz4",
]
}
if (sb_is_evergreen_compatible) {
static_library("elf_loader_sys") {
# System loader based on dlopen/dlsym.
# Should be used only for debugging/troubleshooting.
sources = _elf_loader_sources + [
"elf_loader_impl.h",
"elf_loader_sys_impl.cc",
"elf_loader_sys_impl.h",
]
configs += [ ":elf_loader_config" ]
deps = [
":evergreen_config",
":evergreen_info",
"//starboard",
]
if (sb_is_evergreen_compatible) {
deps += [ "//third_party/crashpad/wrapper" ]
} else {
deps += [ "//third_party/crashpad/wrapper:wrapper_stub" ]
}
}
}
target(final_executable_type, "elf_loader_sandbox") {
data_deps = [ "//third_party/icu:icudata" ]
if (cobalt_font_package == "empty") {
data_deps += [ "//cobalt/content/fonts:copy_font_data" ]
} else {
data_deps += [
"//cobalt/content/fonts:copy_fonts",
"//cobalt/content/fonts:fonts_xml",
]
}
sources = [ "sandbox.cc" ]
configs += [ ":elf_loader_config" ]
deps = [
":elf_loader",
":evergreen_info",
":sabi_string",
"//cobalt/content/fonts:copy_font_data",
"//starboard",
]
if (!sb_is_evergreen_compatible) {
deps += [ "//third_party/crashpad/wrapper:wrapper_stub" ]
}
}
if (sb_is_evergreen_compatible) {
target(final_executable_type, "elf_loader_sys_sandbox") {
# To properly function the system loader requires the starboard
# symbols to be exported from the binary.
# To allow symbols to be exported remove the '-fvisibility=hidden' flag
# from your BUILD.gn. For Linux this would be:
# starboard/linux/shared/platform_configuration/BUILD.gn
# Example run:
# export LD_LIBRARY_PATH=.
# ./elf_loader_sys_sandbox --evergreen_library=app/cobalt/lib/libcobalt.so --evergreen_content=app/cobalt/content
sources = [ "sandbox.cc" ]
configs += [ ":elf_loader_config" ]
starboard_syms_path =
rebase_path("//starboard/starboard.syms", root_build_dir)
ldflags = [
"-Wl,--dynamic-list=$starboard_syms_path",
"-ldl",
]
deps = [
":elf_loader_sys",
":evergreen_info",
":sabi_string",
"//starboard",
]
if (!sb_is_evergreen_compatible) {
deps += [ "//third_party/crashpad/wrapper:wrapper_stub" ]
}
}
}
target(gtest_target_type, "elf_loader_test") {
testonly = true
sources = [ "//starboard/common/test_main.cc" ]
deps = [
"//starboard",
"//testing/gmock",
"//testing/gtest",
]
if (target_cpu == "x86" || target_cpu == "x64" || target_cpu == "arm" ||
target_cpu == "arm64") {
sources += [
"dynamic_section_test.cc",
"elf_header_test.cc",
"elf_loader_test.cc",
"lz4_file_impl_test.cc",
"program_table_test.cc",
"relocations_test.cc",
]
deps += [
":copy_elf_loader_testdata",
":elf_loader",
]
data_deps = [ ":copy_elf_loader_testdata" ]
}
}
copy("copy_elf_loader_testdata") {
install_content = true
sources = [
"testdata/compressed.lz4",
"testdata/compressed_no_content_size.lz4",
"testdata/uncompressed",
]
subdir = "starboard/elf_loader"
outputs = [ "$sb_static_contents_output_data_dir/test/$subdir/{{source_target_relative}}" ]
}
static_library("evergreen_info") {
sources = [
"evergreen_info.cc",
"evergreen_info.h",
]
public_deps = [ "//starboard/common" ]
}
static_library("evergreen_config") {
sources = [
"evergreen_config.cc",
"evergreen_config.h",
]
public_deps = [ "//starboard/common" ]
}
static_library("sabi_string") {
sources = [
"sabi_string.cc",
"sabi_string.h",
]
deps = [ "//starboard/common" ]
}