278 lines
7 KiB
Text
278 lines
7 KiB
Text
//
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// libdl
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//
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package {
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default_applicable_licenses: ["bionic_libdl_license"],
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}
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license {
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name: "bionic_libdl_license",
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visibility: [":__subpackages__"],
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license_kinds: [
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"SPDX-license-identifier-Apache-2.0",
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],
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license_text: [
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"NOTICE",
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],
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}
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cc_library_static {
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name: "libdl_static",
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defaults: ["linux_bionic_supported"],
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ramdisk_available: true,
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vendor_ramdisk_available: true,
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recovery_available: true,
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native_bridge_supported: true,
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srcs: [
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"libdl.cpp",
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"libdl_cfi.cpp",
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],
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cflags: [
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"-Wall",
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"-Wextra",
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"-Wunused",
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"-Werror",
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],
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// For private/CFIShadow.h.
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include_dirs: ["bionic/libc"],
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stl: "none",
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system_shared_libs: [],
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header_libs: ["libc_headers"],
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export_header_lib_headers: ["libc_headers"],
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sanitize: {
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never: true,
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},
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apex_available: [
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"com.android.runtime",
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],
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}
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cc_library {
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name: "libdl",
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ramdisk_available: true,
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vendor_ramdisk_available: true,
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recovery_available: true,
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native_bridge_supported: true,
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static_ndk_lib: true,
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defaults: ["linux_bionic_supported"],
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// NOTE: --exclude-libs=libgcc.a makes sure that any symbols libdl.so pulls from
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// libgcc.a are made static to libdl.so. This in turn ensures that libraries that
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// a) pull symbols from libgcc.a and b) depend on libdl.so will not rely on libdl.so
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// to provide those symbols, but will instead pull them from libgcc.a. Specifically,
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// we use this property to make sure libc.so has its own copy of the code from
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// libgcc.a it uses.
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//
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// DO NOT REMOVE --exclude-libs!
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ldflags: [
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"-Wl,--exclude-libs=libgcc.a",
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"-Wl,--exclude-libs=libgcc_stripped.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-arm-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-aarch64-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-i686-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-riscv64-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-x86_64-android.a",
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],
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// for x86, exclude libgcc_eh.a for the same reasons as above
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arch: {
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arm: {
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version_script: ":libdl.arm.map",
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pack_relocations: false,
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ldflags: ["-Wl,--hash-style=both"],
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},
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arm64: {
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version_script: ":libdl.arm64.map",
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},
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riscv64: {
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version_script: ":libdl.riscv64.map",
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},
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x86: {
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pack_relocations: false,
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ldflags: [
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"-Wl,--exclude-libs=libgcc_eh.a",
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"-Wl,--hash-style=both",
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],
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version_script: ":libdl.x86.map",
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},
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x86_64: {
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ldflags: ["-Wl,--exclude-libs=libgcc_eh.a"],
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version_script: ":libdl.x86_64.map",
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},
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},
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shared: {
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whole_static_libs: ["libdl_static"],
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},
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static: {
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srcs: ["libdl_static.cpp"],
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},
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cflags: [
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"-Wall",
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"-Wextra",
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"-Wunused",
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"-Werror",
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],
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stl: "none",
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nocrt: true,
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system_shared_libs: [],
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header_libs: ["libc_headers"],
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// Opt out of native_coverage when opting out of system_shared_libs
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native_coverage: false,
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// This is placeholder library the actual implementation is (currently)
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// provided by the linker.
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shared_libs: ["ld-android"],
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sanitize: {
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never: true,
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},
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stubs: {
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symbol_file: "libdl.map.txt",
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versions: [
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"29",
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"current",
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],
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},
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llndk: {
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symbol_file: "libdl.map.txt",
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},
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apex_available: [
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"//apex_available:platform",
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"com.android.runtime",
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],
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}
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cc_library {
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name: "libdl_android",
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defaults: ["linux_bionic_supported"],
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ramdisk_available: true,
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vendor_ramdisk_available: true,
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recovery_available: true,
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native_bridge_supported: true,
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// NOTE: --exclude-libs=libgcc.a makes sure that any symbols libdl.so pulls from
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// libgcc.a are made static to libdl.so. This in turn ensures that libraries that
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// a) pull symbols from libgcc.a and b) depend on libdl.so will not rely on libdl.so
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// to provide those symbols, but will instead pull them from libgcc.a. Specifically,
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// we use this property to make sure libc.so has its own copy of the code from
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// libgcc.a it uses.
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//
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// DO NOT REMOVE --exclude-libs!
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ldflags: [
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"-Wl,--exclude-libs=libgcc.a",
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"-Wl,--exclude-libs=libgcc_stripped.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-arm-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-aarch64-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-i686-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-riscv64-android.a",
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"-Wl,--exclude-libs=libclang_rt.builtins-x86_64-android.a",
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],
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// for x86, exclude libgcc_eh.a for the same reasons as above
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arch: {
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x86: {
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ldflags: [
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"-Wl,--exclude-libs=libgcc_eh.a",
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],
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},
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x86_64: {
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ldflags: ["-Wl,--exclude-libs=libgcc_eh.a"],
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},
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},
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srcs: ["libdl_android.cpp"],
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version_script: "libdl_android.map.txt",
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cflags: [
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"-Wall",
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"-Wextra",
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"-Wunused",
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"-Werror",
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],
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stl: "none",
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nocrt: true,
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system_shared_libs: [],
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header_libs: ["libc_headers"],
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// Opt out of native_coverage when opting out of system_shared_libs
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native_coverage: false,
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// This is placeholder library the actual implementation is (currently)
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// provided by the linker.
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shared_libs: ["ld-android"],
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sanitize: {
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never: true,
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},
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stubs: {
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symbol_file: "libdl_android.map.txt",
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versions: ["current"],
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},
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apex_available: [
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"//apex_available:platform",
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"com.android.runtime",
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],
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}
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ndk_library {
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name: "libdl",
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symbol_file: "libdl.map.txt",
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first_version: "9",
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}
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genrule {
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name: "libdl.arm.map",
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out: ["libdl.arm.map.txt"],
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srcs: ["libdl.map.txt"],
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tools: ["generate-version-script"],
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cmd: "$(location generate-version-script) arm $(in) $(out)",
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}
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genrule {
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name: "libdl.arm64.map",
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out: ["libdl.arm64.map.txt"],
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srcs: ["libdl.map.txt"],
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tools: ["generate-version-script"],
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cmd: "$(location generate-version-script) arm64 $(in) $(out)",
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}
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genrule {
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name: "libdl.riscv64.map",
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out: ["libdl.riscv64.map.txt"],
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srcs: ["libdl.map.txt"],
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tools: ["generate-version-script"],
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cmd: "$(location generate-version-script) riscv64 $(in) $(out)",
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}
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genrule {
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name: "libdl.x86.map",
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out: ["libdl.x86.map.txt"],
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srcs: ["libdl.map.txt"],
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tools: ["generate-version-script"],
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cmd: "$(location generate-version-script) x86 $(in) $(out)",
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}
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genrule {
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name: "libdl.x86_64.map",
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out: ["libdl.x86_64.map.txt"],
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srcs: ["libdl.map.txt"],
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tools: ["generate-version-script"],
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cmd: "$(location generate-version-script) x86_64 $(in) $(out)",
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}
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