//
// Copyright (C) 2017 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.
//

cc_defaults {
    name: "libunwindstack_flags",

    host_supported: true,

    cflags: [
        "-Wall",
        "-Werror",
        "-Wextra",
    ],

    target: {
        darwin: {
            enabled: false,
        },
        linux_bionic: {
            enabled: true,
        },
    },
}

cc_defaults {
    name: "libunwindstack_defaults",
    defaults: ["libunwindstack_flags"],
    export_include_dirs: ["include"],

    srcs: [
        "ArmExidx.cpp",
        "DexFiles.cpp",
        "DwarfCfa.cpp",
        "DwarfEhFrameWithHdr.cpp",
        "DwarfMemory.cpp",
        "DwarfOp.cpp",
        "DwarfSection.cpp",
        "Elf.cpp",
        "ElfInterface.cpp",
        "ElfInterfaceArm.cpp",
        "Global.cpp",
        "JitDebug.cpp",
        "Log.cpp",
        "MapInfo.cpp",
        "Maps.cpp",
        "Memory.cpp",
        "MemoryMte.cpp",
        "LocalUnwinder.cpp",
        "Regs.cpp",
        "RegsArm.cpp",
        "RegsArm64.cpp",
        "RegsX86.cpp",
        "RegsX86_64.cpp",
        "RegsMips.cpp",
        "RegsMips64.cpp",
        "Unwinder.cpp",
        "Symbols.cpp",
    ],

    cflags: [
        "-Wexit-time-destructors",
    ],

    target: {
        host: {
            // Always disable optimizations for host to make it easier to debug.
            cflags: [
                "-O0",
                "-g",
            ],
        },
        android: {
            header_libs: ["bionic_libc_platform_headers"],
            product_variables: {
                experimental_mte: {
                    cflags: ["-DANDROID_EXPERIMENTAL_MTE"],
                },
            },
        },
        linux_bionic: {
            header_libs: ["bionic_libc_platform_headers"],
            product_variables: {
                experimental_mte: {
                    cflags: ["-DANDROID_EXPERIMENTAL_MTE"],
                },
            },
        },
    },

    arch: {
        x86: {
            srcs: ["AsmGetRegsX86.S"],
        },
        x86_64: {
            srcs: ["AsmGetRegsX86_64.S"],
        },
    },

    static_libs: [
        "libprocinfo",
    ],

    shared_libs: [
        "libbase",
        "liblog",
        "liblzma",
    ],
}

cc_library {
    name: "libunwindstack",
    vendor_available: true,
    recovery_available: true,
    // TODO(b/153609531): remove when no longer needed.
    native_bridge_supported: true,
    vndk: {
        enabled: true,
        support_system_process: true,
    },
    defaults: ["libunwindstack_defaults"],

    srcs: ["DexFile.cpp"],
    cflags: ["-DDEXFILE_SUPPORT"],
    shared_libs: ["libdexfile_support"],

    target: {
        vendor: {
            cflags: ["-UDEXFILE_SUPPORT"],
            exclude_srcs: ["DexFile.cpp"],
            exclude_shared_libs: ["libdexfile_support"],
        },
        recovery: {
            cflags: ["-UDEXFILE_SUPPORT"],
            exclude_srcs: ["DexFile.cpp"],
            exclude_shared_libs: ["libdexfile_support"],
        },
        native_bridge: {
            cflags: ["-UDEXFILE_SUPPORT"],
            exclude_srcs: ["DexFile.cpp"],
            exclude_shared_libs: ["libdexfile_support"],
        },
    },

    apex_available: [
        "//apex_available:platform",
        "com.android.art.debug",
        "com.android.art.release",
    ],
}

// Static library without DEX support to avoid dependencies on the ART APEX.
cc_library_static {
    name: "libunwindstack_no_dex",
    recovery_available: true,
    defaults: ["libunwindstack_defaults"],

    visibility: [
        "//system/core/debuggerd",
        "//system/core/init",
        "//system/core/libbacktrace",
    ],
    apex_available: [
        "//apex_available:platform",
        "com.android.runtime",
    ],
}

//-------------------------------------------------------------------------
// Unit Tests
//-------------------------------------------------------------------------
cc_test_library {
    name: "libunwindstack_local",
    defaults: ["libunwindstack_flags"],
    srcs: ["tests/TestLocal.cpp"],

    cflags: [
        "-O0",
        "-g",
    ],

    shared_libs: [
        "libunwindstack",
    ],
    relative_install_path: "libunwindstack_test",
}

cc_defaults {
    name: "libunwindstack_testlib_flags",
    defaults: ["libunwindstack_flags"],

    srcs: [
        "tests/ArmExidxDecodeTest.cpp",
        "tests/ArmExidxExtractTest.cpp",
        "tests/DexFileTest.cpp",
        "tests/DexFilesTest.cpp",
        "tests/DwarfCfaLogTest.cpp",
        "tests/DwarfCfaTest.cpp",
        "tests/DwarfDebugFrameTest.cpp",
        "tests/DwarfEhFrameTest.cpp",
        "tests/DwarfEhFrameWithHdrTest.cpp",
        "tests/DwarfMemoryTest.cpp",
        "tests/DwarfOpLogTest.cpp",
        "tests/DwarfOpTest.cpp",
        "tests/DwarfSectionTest.cpp",
        "tests/DwarfSectionImplTest.cpp",
        "tests/ElfCacheTest.cpp",
        "tests/ElfFake.cpp",
        "tests/ElfInterfaceArmTest.cpp",
        "tests/ElfInterfaceTest.cpp",
        "tests/ElfTest.cpp",
        "tests/ElfTestUtils.cpp",
        "tests/IsolatedSettings.cpp",
        "tests/JitDebugTest.cpp",
        "tests/LocalUpdatableMapsTest.cpp",
        "tests/LogFake.cpp",
        "tests/MapInfoCreateMemoryTest.cpp",
        "tests/MapInfoGetBuildIDTest.cpp",
        "tests/MapInfoGetElfTest.cpp",
        "tests/MapInfoGetLoadBiasTest.cpp",
        "tests/MapInfoTest.cpp",
        "tests/MapsTest.cpp",
        "tests/MemoryBufferTest.cpp",
        "tests/MemoryCacheTest.cpp",
        "tests/MemoryFake.cpp",
        "tests/MemoryFileTest.cpp",
        "tests/MemoryLocalTest.cpp",
        "tests/MemoryOfflineBufferTest.cpp",
        "tests/MemoryOfflineTest.cpp",
        "tests/MemoryRangeTest.cpp",
        "tests/MemoryRangesTest.cpp",
        "tests/MemoryRemoteTest.cpp",
        "tests/MemoryTest.cpp",
        "tests/MemoryMteTest.cpp",
        "tests/RegsInfoTest.cpp",
        "tests/RegsIterateTest.cpp",
        "tests/RegsStepIfSignalHandlerTest.cpp",
        "tests/RegsTest.cpp",
        "tests/SymbolsTest.cpp",
        "tests/TestUtils.cpp",
        "tests/UnwindOfflineTest.cpp",
        "tests/UnwindTest.cpp",
        "tests/UnwinderTest.cpp",
        "tests/VerifyBionicTerminationTest.cpp",
    ],

    cflags: [
        "-O0",
        "-g",
    ],

    shared_libs: [
        "libbase",
        "liblog",
        "liblzma",
        "libunwindstack",
        "libdexfile_support",
    ],

    static_libs: [
        "libgmock",
    ],

    test_suites: ["device-tests"],
    data: [
        "tests/files/elf32.xz",
        "tests/files/elf64.xz",
        "tests/files/offline/art_quick_osr_stub_arm/*",
        "tests/files/offline/bad_eh_frame_hdr_arm64/*",
        "tests/files/offline/debug_frame_first_x86/*",
        "tests/files/offline/debug_frame_load_bias_arm/*",
        "tests/files/offline/eh_frame_bias_x86/*",
        "tests/files/offline/eh_frame_hdr_begin_x86_64/*",
        "tests/files/offline/empty_arm64/*",
        "tests/files/offline/invalid_elf_offset_arm/*",
        "tests/files/offline/jit_debug_arm/*",
        "tests/files/offline/jit_debug_x86/*",
        "tests/files/offline/jit_map_arm/*",
        "tests/files/offline/gnu_debugdata_arm/*",
        "tests/files/offline/load_bias_different_section_bias_arm64/*",
        "tests/files/offline/load_bias_ro_rx_x86_64/*",
        "tests/files/offline/offset_arm/*",
        "tests/files/offline/shared_lib_in_apk_arm64/*",
        "tests/files/offline/shared_lib_in_apk_memory_only_arm64/*",
        "tests/files/offline/shared_lib_in_apk_single_map_arm64/*",
        "tests/files/offline/signal_load_bias_arm/*",
        "tests/files/offline/straddle_arm/*",
        "tests/files/offline/straddle_arm64/*",
    ],

    target: {
        android: {
            header_libs: ["bionic_libc_platform_headers"],
            product_variables: {
                experimental_mte: {
                    cflags: ["-DANDROID_EXPERIMENTAL_MTE"],
                },
            },
        },
        linux_bionic: {
            header_libs: ["bionic_libc_platform_headers"],
            product_variables: {
                experimental_mte: {
                    cflags: ["-DANDROID_EXPERIMENTAL_MTE"],
                },
            },
        },
    },
}

cc_test {
    name: "libunwindstack_test",
    defaults: ["libunwindstack_testlib_flags"],
    isolated: true,

    srcs: [
        "tests/LocalUnwinderTest.cpp",
    ],
    required: [
        "libunwindstack_local",
    ],
}

// Skip LocalUnwinderTest until atest understands required properly.
cc_test {
    name: "libunwindstack_unit_test",
    defaults: ["libunwindstack_testlib_flags"],
    isolated: true,
}

//-------------------------------------------------------------------------
// Fuzzers
//-------------------------------------------------------------------------
cc_defaults {
    name: "libunwindstack_fuzz_defaults",
    host_supported: true,
    defaults: ["libunwindstack_flags"],
    cflags: [
        "-Wno-exit-time-destructors",
        "-g",
    ],
    shared_libs: [
        "libbase",
        "liblog",
        "liblzma",
        "libunwindstack",
        "libdexfile_support",
    ],
}

cc_fuzz {
    name: "libunwindstack_fuzz_unwinder",
    defaults: ["libunwindstack_fuzz_defaults"],
    srcs: [
        "tests/MemoryFake.cpp",
        "tests/ElfFake.cpp",
        "tests/fuzz/UnwinderComponentCreator.cpp",
        "tests/fuzz/UnwinderFuzz.cpp",
    ],
}

//-------------------------------------------------------------------------
// Tools
//-------------------------------------------------------------------------
cc_defaults {
    name: "libunwindstack_tools",
    defaults: ["libunwindstack_flags"],

    shared_libs: [
        "libunwindstack",
        "libbase",
        "liblzma",
    ],
    target: {
        // Always disable optimizations for host to make it easier to debug.
        host: {
            cflags: [
                "-O0",
                "-g",
            ],
        },
    },
}

cc_binary {
    name: "unwind",
    defaults: ["libunwindstack_tools"],

    srcs: [
        "tools/unwind.cpp",
    ],
}

cc_binary {
    name: "unwind_info",
    defaults: ["libunwindstack_tools"],

    srcs: [
        "tools/unwind_info.cpp",
    ],
}

cc_binary {
    name: "unwind_symbols",
    defaults: ["libunwindstack_tools"],

    srcs: [
        "tools/unwind_symbols.cpp",
    ],
}

cc_binary {
    name: "unwind_for_offline",
    defaults: ["libunwindstack_tools"],

    srcs: [
        "tools/unwind_for_offline.cpp",
    ],
}

cc_binary {
    name: "unwind_reg_info",
    defaults: ["libunwindstack_tools"],

    srcs: [
        "tools/unwind_reg_info.cpp",
    ],
}

//-------------------------------------------------------------------------
// Benchmarks
//-------------------------------------------------------------------------
cc_benchmark {
    name: "unwind_benchmarks",
    host_supported: true,
    defaults: ["libunwindstack_flags"],

    // Disable optimizations so that all of the calls are not optimized away.
    cflags: [
        "-O0",
    ],

    srcs: [
        "benchmarks/unwind_benchmarks.cpp",
        "benchmarks/ElfBenchmark.cpp",
        "benchmarks/MapsBenchmark.cpp",
        "benchmarks/SymbolBenchmark.cpp",
        "benchmarks/Utils.cpp",
    ],

    data: [
        "benchmarks/files/*",
    ],

    shared_libs: [
        "libbase",
        "libunwindstack",
    ],

    target: {
        android: {
            static_libs: [
                "libmeminfo",
                "libprocinfo",
            ],
        },
    },
}

// Generates the elf data for use in the tests for .gnu_debugdata frames.
// Once these files are generated, use the xz command to compress the data.
cc_binary_host {
    name: "gen_gnudebugdata",
    defaults: ["libunwindstack_flags"],

    srcs: [
        "tests/GenGnuDebugdata.cpp",
    ],
}