vdso/Android.bp

//
// Copyright (C) 2018 The Android Open Source Project
//
// 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.
//

package {
    default_applicable_licenses: ["Android-Apache-2.0"],
}

cc_library_shared {
    name: "libnative_bridge_vdso",
    enabled: false,
    native_bridge_supported: true,
    target: {
       native_bridge: {
           enabled: true,
       }
    },
    arch: {
        arm64: {
            srcs: ["vdso_arm64.S"],
        },
        arm: {
            srcs: ["vdso_arm.S"],
        },
    },
    export_include_dirs: ["include"],
    // Make sure we do not drag any dependencies for vdso library (-Wl,--exclude-libs,ALL)
    ldflags: [
        "-Wl,--exclude-libs,ALL",
        "-Wl,-soname,linux-vdso.so.1",

        // TODO(b/146399556): Use -z,separate-code to ensure that each segment's p_offset and
        // p_vaddr values are equal to work around problems with __libc_init_vdso in Bionic.
        "-Wl,-z,separate-code",
    ],
    system_shared_libs: [],
    // Opt out of native_coverage when opting out of system_shared_libs
    native_coverage: false,
    nocrt: true,
    stl: "none",
    // no_standard_libs: true,
    strip: {
        keep_symbols_and_debug_frame: true,
    },
    pack_relocations: false,
}