| /* |
| * Copyright (C) 2024 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. |
| */ |
| #pragma once |
| |
| #include <sys/types.h> |
| |
| namespace android { |
| |
| /* |
| * This function deallocates space used by zero padding at the end of LOAD segments in given |
| * uncompressed ELF file. Read ELF headers and find out the offset and sizes of LOAD segments. |
| * [fallocate(2)](http://man7.org/linux/man-pages/man2/fallocate.2.html) is used to deallocate the |
| * zero ranges at the end of LOAD segments. If ELF file is present inside of ApK/Zip file, offset to |
| * the start of the ELF file should be provided. |
| */ |
| bool punchHolesInElf64(const char* filePath, uint64_t offset); |
| |
| /* |
| * This function punches holes in zero segments of Apk file which are introduced during the |
| * alignment. Alignment tools add padding inside of extra field in local file header. punch holes in |
| * extra field for zero stretches till the actual file content. |
| */ |
| bool punchHolesInZip(const char* filePath, uint64_t offset, uint16_t extraFieldLen); |
| |
| } // namespace android |
