// Copyright (C) 2013 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.

// *** THIS PACKAGE HAS SPECIAL LICENSING CONDITIONS.  PLEASE
//     CONSULT THE OWNERS AND opensource-licensing@google.com BEFORE
//     DEPENDING ON IT IN YOUR PROJECT. ***
package {
    default_applicable_licenses: ["external_elfutils_license"],
}

// http://go/android-license-faq
license {
    name: "external_elfutils_license",
    visibility: [":__subpackages__"],
    license_kinds: [
        "SPDX-license-identifier-Apache-2.0",
        "SPDX-license-identifier-BSD",
        "SPDX-license-identifier-GFDL", // by exception only
        "SPDX-license-identifier-GPL-2.0-or-later",
        "SPDX-license-identifier-GPL-3.0-or-later",
        "SPDX-license-identifier-LGPL-3.0-or-later",
    ],
    license_text: [
        "COPYING",
        "COPYING-GPLV2",
        "COPYING-LGPLV3",
        "NOTICE",
    ],
}

cc_defaults {
    name: "elfutils_defaults",
    cflags: [
        "-DHAVE_CONFIG_H",
        "-D_GNU_SOURCE",
        // upper bound for the number of lines of the resulting mnemonic files
        "-DNMNES=1000",
        "-std=gnu99",
        "-Werror",
        // to suppress the "pointer of type ‘void *’ used in arithmetic" warning
        "-Wno-pointer-arith",
        "-Wno-typedef-redefinition",
    ],
    header_libs: [
         "elfutils_headers",
    ],
    export_header_lib_headers: ["elfutils_headers"],

    visibility: [
        "//external/dwarves:__subpackages__",
        "//external/elfutils:__subpackages__",
        "//external/libabigail:__subpackages__",
        "//external/libbpf:__subpackages__",
        "//external/stg:__subpackages__",
    ],
}

cc_library {
    name: "libelf",
    host_supported: true,
    vendor_available: true,
    defaults: ["elfutils_defaults"],

    srcs:  ["libelf/*.c",],

    static_libs: ["libz"],

    export_include_dirs: ["libelf"],

    target: {
        darwin: {
            enabled: false,
        },
        android: {
            cflags: [
                "-D_FILE_OFFSET_BITS=64",
                "-include AndroidFixup.h",
            ],
            shared: {
                enabled: false,
            },
        },
        musl: {
            cflags: [
                "-include AndroidFixup.h",
            ],
        },
    },

    visibility: [
        "//device/google/contexthub/util/nanoapp_postprocess",
        "//external/bcc/libbpf-tools",
        "//external/bpftool",
        "//external/igt-gpu-tools",
        "//external/mesa3d",
    ],
}

cc_library_headers {
    name: "elfutils_headers",
    host_supported: true,
    vendor_available: true,
    export_include_dirs: [
        ".",
        "include",
        "lib",
    ],
    target: {
        android: {
            export_include_dirs: ["bionic-fixup"],
        },
        musl: {
            export_include_dirs: ["bionic-fixup"],
        },
    },
    visibility: [":__subpackages__"],
}

cc_library_host_static {
    name: "libdw",
    defaults: ["elfutils_defaults"],
    target: {
        darwin: {
            enabled: false,
        },
        musl: {
            static_libs: [
                "libfts",
                "libz",
            ],
        },
    },
    srcs: [
        "backends/*.c",
        "libcpu/*_disasm.c",
        "libdw/*.c",
        "libdwelf/*.c",
        "libdwfl/*.c",
        "libebl/*.c",
    ],
    generated_headers: [
        "i386_dis",
        "i386_mnemonics",
        "x86_64_dis",
        "x86_64_mnemonics",
    ],
    exclude_srcs: [
        // Do not enabled compression support
        "libdwfl/bzip2.c",
        "libdwfl/lzma.c",
        "libdwfl/zstd.c",
        // Those headers are incompatible with clang due to nested function
        // definitions.
        "libdwfl/dwfl_segment_report_module.c",
        "libdwfl/debuginfod-client.c",
        "libdwfl/elf-from-memory.c",
        "libdwfl/link_map.c",
        // These depend on argp which doesn't exist in musl
        "libdwfl/argp-std.c",
        // Those are common source files actually used as headers and not
        // compiled standalone.
        "backends/common-reloc.c",
        "backends/linux-core-note.c",
        "backends/x86_corenote.c",
    ],
    local_include_dirs: [
        "libcpu",
        "libasm",
        "libdwelf",
        "libdwfl",
        "libebl",
    ],
    export_include_dirs: [
        "libdw",
    ],
    static_libs: [
        "libelf"
    ],
    whole_static_libs: [
        "libeu",
    ],
    compile_multilib: "64",
}