import("//build/ohos.gni") import("musl_src.gni") template("musl_libs") { no_default_deps = true forward_variables_from(invoker, [ "target_abi" ]) abi_prefix = target_abi if (target_abi == "soft") { _libs_path_prefix = "." _libs_out_dir = "usr/lib/${musl_target_triple}" } else { _libs_path_prefix = "${target_abi}" _libs_out_dir = "usr/lib/${musl_target_triple}/${target_abi}" } musl_subarch = "" if (target_abi == "a7_hard_neon-vfpv4") { musl_subarch = "hf" } porting_deps = [ "//third_party/musl:create_alltypes_h", "//third_party/musl:create_porting_src", "//third_party/musl:create_syscall_h", "//third_party/musl:create_version_h", ] group(target_name) { deps = [ ":${abi_prefix}_create_linker", ":${abi_prefix}_libc_musl_shared", ":${abi_prefix}_libc_musl_static", ":${abi_prefix}_musl_crt_libs", ] } group("${abi_prefix}_shared_libs") { deps = [ ":${abi_prefix}_libc_musl_shared", ":${abi_prefix}_libcrypt", ":${abi_prefix}_libdl", ":${abi_prefix}_libm", ":${abi_prefix}_libpthread", ":${abi_prefix}_libresolv", ":${abi_prefix}_librt", ":${abi_prefix}_libutil", ":${abi_prefix}_libxnet", ":${abi_prefix}_musl_crt_libs", ":musl_headers", ] } group("${abi_prefix}_static_libs") { deps = [ ":${abi_prefix}_libc_musl_static", ":${abi_prefix}_libcrypt", ":${abi_prefix}_libdl", ":${abi_prefix}_libm", ":${abi_prefix}_libpthread", ":${abi_prefix}_libresolv", ":${abi_prefix}_librt", ":${abi_prefix}_libutil", ":${abi_prefix}_libxnet", ":${abi_prefix}_musl_crt_libs", ":musl_headers", ] } group("${abi_prefix}_musl_crt_libs") { deps = [ ":${abi_prefix}_musl_crt_install_action" ] } # part of default_compiler_configs from build/config/BUILDCONFIG.gn musl_inherited_configs = [ "//build/config/compiler:afdo", "//build/config/compiler:afdo_optimize_size", "//build/config/compiler:compiler", "//build/config/compiler:compiler_arm_fpu", "//build/config/compiler:compiler_arm_thumb", "//build/config/compiler:chromium_code", "//build/config/compiler:default_include_dirs", "//build/config/compiler:default_optimization", "//build/config/compiler:default_stack_frames", "//build/config/compiler:default_symbols", "//build/config/compiler:export_dynamic", "//build/config/compiler:no_exceptions", "//build/config/compiler:no_rtti", "//build/config/compiler:runtime_library", "//build/config/compiler:thin_archive", "//build/config/sanitizers:default_sanitizer_flags", ] config("${abi_prefix}_musl_abi_config") { if (musl_arch == "arm") { if (target_abi == "soft") { cflags = [ "-mfloat-abi=soft" ] } else if (target_abi == "a7_soft") { cflags = [ "-mcpu=cortex-a7", "-mfloat-abi=soft", ] } else if (target_abi == "a7_softfp_neon-vfpv4") { cflags = [ "-mcpu=cortex-a7", "-mfloat-abi=softfp", "-mfpu=neon-vfpv4", ] } else if (target_abi == "a7_hard_neon-vfpv4") { cflags = [ "-mcpu=cortex-a7", "-mfloat-abi=hard", "-mfpu=neon-vfpv4", ] } } } config("${abi_prefix}_musl_config") { configs = [ ":${abi_prefix}_musl_abi_config" ] include_dirs = [ "${target_out_dir}/${musl_ported_dir}/arch/${musl_arch}", "${target_out_dir}/${musl_ported_dir}/arch/generic", "${target_out_dir}/${musl_ported_dir}/src/internal", "${target_out_dir}/${musl_ported_dir}/src/include", "${target_out_dir}/${musl_ported_dir}/include", "${target_out_dir}/${musl_inc_out_dir}", ] cflags_basic = [ "--target=${musl_target_triple}", "-Wall", "-D_FORTIFY_SOURCE=2", "-Wl,-z,relro,-z,now,-z,noexecstack", ] if (musl_arch == "arm") { cflags_basic += [ "-march=armv7-a" ] cflags_basic += [ "-mtp=cp15" ] } else if (musl_arch == "aarch64") { cflags_basic += [ "-march=armv8" ] } cflags_auto = [ "-D_XOPEN_SOURCE=700", "-g", "-pipe", "-fno-omit-frame-pointer", "-funwind-tables", "-fasynchronous-unwind-tables", "-ffunction-sections", "-fdata-sections", "-Werror=implicit-function-declaration", "-Werror=implicit-int", "-Werror=pointer-sign", "-Werror=pointer-arith", "-Qunused-arguments", ] if (!is_asan) { cflags_auto += [ "-DHOOK_ENABLE" ] } cflags_c99fse = [ "-std=c99", "-nostdinc", "-ffreestanding", "-frounding-math", "-Wa,--noexecstack", ] cflags_all = cflags_basic + cflags_c99fse + cflags_auto cflags = cflags_all if ("${target_abi}" != "a7_hard_neon-vfpv4") { defines = [ "BROKEN_VFP_ASM" ] } dynamic_list = rebase_path("${target_out_dir}/${musl_ported_dir}/dynamic.list") ldflags = cflags_all ldflags += [ "--target=${musl_target_triple}", "-fuse-ld=lld", "-Wl,--sort-section,alignment", "-Wl,--sort-common", "-Wl,--gc-sections", "-Wl,--hash-style=both", "-Wl,--no-undefined", "-Wl,--exclude-libs=ALL", "-Wl,--dynamic-list=${dynamic_list}", ] asmflags = cflags } config("${abi_prefix}_hook") { defines = [] configs = [] if (is_posix) { configs += [ "//build/config/posix:runtime_library" ] } cflags_cc = [] defines = [ "__GNU_SOURCE=1", # Necessary for clone(). "CHROMIUM_CXX_TWEAK_INLINES", # Saves binary size. ] defines += [ "__MUSL__", "_LIBCPP_HAS_MUSL_LIBC", "__BUILD_LINUX_WITH_CLANG", ] if (!is_asan) { defines += [ "HOOK_ENABLE" ] } ldflags = [ "-nostdlib" ] libs = [] if (is_component_build) { defines += [ "COMPONENT_BUILD" ] } } source_set("${abi_prefix}_musl_crt") { sources = [ "${target_out_dir}/${musl_ported_dir}/crt/${musl_arch}/crti.s", "${target_out_dir}/${musl_ported_dir}/crt/${musl_arch}/crtn.s", "${target_out_dir}/${musl_ported_dir}/crt/Scrt1.c", "${target_out_dir}/${musl_ported_dir}/crt/crt1.c", "${target_out_dir}/${musl_ported_dir}/crt/rcrt1.c", ] defines = [ "CRT" ] configs -= musl_inherited_configs configs += [ ":${abi_prefix}_musl_config" ] cflags = [ "-fPIC", "-fno-stack-protector", ] deps = porting_deps asmflags = cflags } source_set("${abi_prefix}_musl_src") { sources_orig = [] sources = [] set_sources_assignment_filter([]) sources_orig = musl_src_arch_file + musl_src_file sources_orig -= musl_src_filterout sources_orig -= [ "src/string/mempcpy.c", "src/string/memset.c", "src/env/__init_tls.c", "src/env/__libc_start_main.c", "src/env/__stack_chk_fail.c", ] if (musl_arch == "arm") { sources_orig -= [ "src/thread/${musl_arch}/__set_thread_area.c" ] } else if (musl_arch == "aarch64") { sources_orig -= [ "src/thread/${musl_arch}/__set_thread_area.s" ] } if ("${target_abi}" == "a7_hard_neon-vfpv4") { defines = [ "__ARM_PCS_VFP" ] } foreach(s, sources_orig) { sources += [ "${target_out_dir}/${musl_ported_dir}/${s}" ] } cflags = [ "-O3", "-fPIC", "-fstack-protector-strong", ] configs -= musl_inherited_configs configs += [ ":${abi_prefix}_musl_config" ] deps = porting_deps } source_set("${abi_prefix}_musl_src_nossp") { sources = [] sources_orig = [ "src/string/mempcpy.c", "src/string/memset.c", "src/env/__init_tls.c", "src/env/__libc_start_main.c", "src/env/__stack_chk_fail.c", ] if (musl_arch == "arm") { sources_orig += [ "src/thread/${musl_arch}/__set_thread_area.c" ] } else if (musl_arch == "aarch64") { sources_orig += [ "src/thread/${musl_arch}/__set_thread_area.s" ] } foreach(s, sources_orig) { sources += [ "${target_out_dir}/${musl_ported_dir}/${s}" ] } configs -= musl_inherited_configs configs += [ ":${abi_prefix}_musl_config" ] cflags = [ "-O3", "-fPIC", "-fno-stack-protector", ] deps = porting_deps } source_set("${abi_prefix}_musl_ldso") { sources = [] sources_orig = musl_src_ldso foreach(s, sources_orig) { sources += [ "${target_out_dir}/${musl_ported_dir}/${s}" ] } configs -= musl_inherited_configs configs += [ ":${abi_prefix}_musl_config" ] cflags = [ "-fPIC", "-fno-stack-protector", ] deps = porting_deps } source_set("${abi_prefix}_musl_hook") { sources = [ "./porting/linux/user/src/hook/malloc_common.c", "./porting/linux/user/src/hook/musl_preinit.c", "./porting/linux/user/src/hook/musl_preinit_common.c", ] deps = [ "//third_party/musl:create_alltypes_h", "//third_party/musl:create_porting_src", "//third_party/musl:create_syscall_h", "//third_party/musl:create_version_h", "//third_party/musl:musl_copy_inc_bits", "//third_party/musl:musl_copy_inc_root", "//third_party/musl:musl_copy_inc_sys", ] configs -= musl_inherited_configs configs += [ "//build/config/compiler:compiler", ":${abi_prefix}_hook", ] } static_library("${abi_prefix}_libc_musl_static") { output_name = "libc" complete_static_lib = true configs -= musl_inherited_configs output_dir = "${target_out_dir}/${_libs_out_dir}" deps = [ ":${abi_prefix}_musl_hook", ":${abi_prefix}_musl_src", ":${abi_prefix}_musl_src_nossp", ] } static_library("${abi_prefix}_libm") { complete_static_lib = true configs -= musl_inherited_configs output_name = "libm" output_dir = "${target_out_dir}/${_libs_out_dir}" } static_library("${abi_prefix}_librt") { complete_static_lib = true configs -= musl_inherited_configs output_name = "librt" output_dir = "${target_out_dir}/${_libs_out_dir}" } static_library("${abi_prefix}_libpthread") { complete_static_lib = true configs -= musl_inherited_configs output_name = "libpthread" output_dir = "${target_out_dir}/${_libs_out_dir}" } static_library("${abi_prefix}_libcrypt") { complete_static_lib = true configs -= musl_inherited_configs output_name = "libcrypt" output_dir = "${target_out_dir}/${_libs_out_dir}" } static_library("${abi_prefix}_libutil") { complete_static_lib = true configs -= musl_inherited_configs output_name = "libutil" output_dir = "${target_out_dir}/${_libs_out_dir}" } static_library("${abi_prefix}_libresolv") { complete_static_lib = true configs -= musl_inherited_configs output_name = "libresolv" output_dir = "${target_out_dir}/${_libs_out_dir}" } static_library("${abi_prefix}_libxnet") { complete_static_lib = true configs -= musl_inherited_configs output_name = "libxnet" output_dir = "${target_out_dir}/${_libs_out_dir}" } static_library("${abi_prefix}_libdl") { complete_static_lib = true configs -= musl_inherited_configs output_name = "libdl" output_dir = "${target_out_dir}/${_libs_out_dir}" } shared_library("${abi_prefix}_libc_musl_shared") { output_dir = "${target_out_dir}/${_libs_out_dir}" output_name = "libc" output_extension = "so" libclang_rt_path = rebase_path( "${runtime_lib_path}/${musl_target_triple}/${_libs_path_prefix}") musl_lib_path = rebase_path("${target_out_dir}/${_libs_out_dir}") ldflags = [ "-nostdlib", "-Wl,-e,_dlstart", "-L${libclang_rt_path}", "-lclang_rt.builtins", "-lunwind", "-L${musl_lib_path}", "-ldl", "-lpthread", ] configs -= musl_inherited_configs configs -= [ "//build/config:default_libs" ] configs += [ ":${abi_prefix}_musl_config" ] deps = [ ":${abi_prefix}_libdl", ":${abi_prefix}_libpthread", ":${abi_prefix}_musl_crt_install_action", ":${abi_prefix}_musl_hook", ":${abi_prefix}_musl_ldso", ":${abi_prefix}_musl_src", ":${abi_prefix}_musl_src_nossp", ] } action_foreach("${abi_prefix}_musl_crt_install_action") { redir = "${root_out_dir}/obj" script = "${target_out_dir}/${musl_ported_dir}/scripts/install.py" sources = [ "${redir}/${target_out_dir}/${musl_ported_dir}/crt/${abi_prefix}_musl_crt/Scrt1.o", "${redir}/${target_out_dir}/${musl_ported_dir}/crt/${abi_prefix}_musl_crt/crt1.o", "${redir}/${target_out_dir}/${musl_ported_dir}/crt/${abi_prefix}_musl_crt/rcrt1.o", "${redir}/${target_out_dir}/${musl_ported_dir}/crt/${musl_arch}/${abi_prefix}_musl_crt/crti.o", "${redir}/${target_out_dir}/${musl_ported_dir}/crt/${musl_arch}/${abi_prefix}_musl_crt/crtn.o", ] outputs = [ "${target_out_dir}/${_libs_out_dir}/{{source_file_part}}" ] args = [ "--input", "{{source}}", ] args += [ "--output" ] + rebase_path(outputs, root_build_dir) deps = [ ":${abi_prefix}_musl_crt" ] } copy("${abi_prefix}_create_linker") { deps = [ ":${abi_prefix}_libc_musl_shared" ] # _libc_shared_outputs = get_target_outputs(":${abi_prefix}_libc_musl_shared") _libc_shared_so = "${target_out_dir}/${_libs_out_dir}/libc.so" sources = [ _libc_shared_so ] if (is_asan) { asan = "-asan" } else { asan = "" } _muls_linker_so = "${root_out_dir}/common/common/libc/${_libs_path_prefix}/ld-musl-${musl_arch}${musl_subarch}${asan}.so.1" outputs = [ _muls_linker_so ] } }