| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include "linker.h" |
| #include "linker_translate_path.h" |
| #include "linker_utils.h" |
| |
| #if defined(__LP64__) |
| static const char* const kSystemLibDir = "/system/lib64"; |
| static const char* const kI18nApexLibDir = "/apex/com.android.i18n/lib64"; |
| #else |
| static const char* const kSystemLibDir = "/system/lib"; |
| static const char* const kI18nApexLibDir = "/apex/com.android.i18n/lib"; |
| #endif |
| |
| // Workaround for dlopen(/system/lib(64)/<soname>) when .so is in /apex. http://b/121248172 |
| /** |
| * Translate /system path to /apex path if needed |
| * The workaround should work only when targetSdkVersion < Q. |
| * |
| * param out_name_to_apex pointing to /apex path |
| * return true if translation is needed |
| */ |
| bool translateSystemPathToApexPath(const char* name, std::string* out_name_to_apex) { |
| static const char* const kSystemToArtApexLibs[] = { |
| "libicuuc.so", |
| "libicui18n.so", |
| }; |
| // New mapping for new apex should be added below |
| |
| // Nothing to do if target sdk version is Q or above |
| if (get_application_target_sdk_version() >= 29) { |
| return false; |
| } |
| |
| // If the path isn't /system/lib, there's nothing to do. |
| if (name == nullptr || dirname(name) != kSystemLibDir) { |
| return false; |
| } |
| |
| const char* base_name = basename(name); |
| |
| for (const char* soname : kSystemToArtApexLibs) { |
| if (strcmp(base_name, soname) == 0) { |
| *out_name_to_apex = std::string(kI18nApexLibDir) + "/" + base_name; |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| // End Workaround for dlopen(/system/lib/<soname>) when .so is in /apex. |