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//
// libdl
//
cc_library_static {
name: "libdl_static",
defaults: ["linux_bionic_supported"],
recovery_available: true,
srcs: [
"libdl.cpp",
"libdl_cfi.cpp",
],
cflags: [
"-Wall",
"-Wextra",
"-Wunused",
"-Werror",
],
// For private/CFIShadow.h.
include_dirs: ["bionic/libc"],
stl: "none",
system_shared_libs: [],
sanitize: {
never: true,
},
}
cc_library {
name: "libdl",
recovery_available: true,
static_ndk_lib: true,
defaults: ["linux_bionic_supported"],
// NOTE: --exclude-libs=libgcc.a makes sure that any symbols libdl.so pulls from
// libgcc.a are made static to libdl.so. This in turn ensures that libraries that
// a) pull symbols from libgcc.a and b) depend on libdl.so will not rely on libdl.so
// to provide those symbols, but will instead pull them from libgcc.a. Specifically,
// we use this property to make sure libc.so has its own copy of the code from
// libgcc.a it uses.
//
// DO NOT REMOVE --exclude-libs!
ldflags: [
"-Wl,--exclude-libs=libgcc.a",
"-Wl,--exclude-libs=libclang_rt.builtins-arm-android.a",
"-Wl,--exclude-libs=libclang_rt.builtins-aarch64-android.a",
"-Wl,--exclude-libs=libclang_rt.builtins-x86-android.a",
"-Wl,--exclude-libs=libclang_rt.builtins-x86_64-android.a",
],
// for x86, exclude libgcc_eh.a for the same reasons as above
arch: {
arm: {
version_script: ":libdl.arm.map",
pack_relocations: false,
ldflags: ["-Wl,--hash-style=both"],
},
arm64: {
version_script: ":libdl.arm64.map",
},
x86: {
pack_relocations: false,
ldflags: [
"-Wl,--exclude-libs=libgcc_eh.a",
"-Wl,--hash-style=both",
],
version_script: ":libdl.x86.map",
},
x86_64: {
ldflags: ["-Wl,--exclude-libs=libgcc_eh.a"],
version_script: ":libdl.x86_64.map",
},
},
shared: {
whole_static_libs: ["libdl_static"],
},
static: {
srcs: ["libdl_static.cpp"],
},
cflags: [
"-Wall",
"-Wextra",
"-Wunused",
"-Werror",
],
stl: "none",
nocrt: true,
system_shared_libs: [],
// This is placeholder library the actual implementation is (currently)
// provided by the linker.
shared_libs: ["ld-android"],
sanitize: {
never: true,
},
stubs: {
symbol_file: "libdl.map.txt",
versions: ["10000"],
},
}
ndk_library {
name: "libdl",
symbol_file: "libdl.map.txt",
first_version: "9",
}
llndk_library {
name: "libdl",
symbol_file: "libdl.map.txt",
}
genrule {
name: "libdl.arm.map",
out: ["libdl.arm.map"],
srcs: ["libdl.map.txt"],
tool_files: [":bionic-generate-version-script"],
cmd: "$(location :bionic-generate-version-script) arm $(in) $(out)",
}
genrule {
name: "libdl.arm64.map",
out: ["libdl.arm64.map"],
srcs: ["libdl.map.txt"],
tool_files: [":bionic-generate-version-script"],
cmd: "$(location :bionic-generate-version-script) arm64 $(in) $(out)",
}
genrule {
name: "libdl.x86.map",
out: ["libdl.x86.map"],
srcs: ["libdl.map.txt"],
tool_files: [":bionic-generate-version-script"],
cmd: "$(location :bionic-generate-version-script) x86 $(in) $(out)",
}
genrule {
name: "libdl.x86_64.map",
out: ["libdl.x86_64.map"],
srcs: ["libdl.map.txt"],
tool_files: [":bionic-generate-version-script"],
cmd: "$(location :bionic-generate-version-script) x86_64 $(in) $(out)",
}
|
