| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /* |
| * Copyright (C) 2012 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. |
| */ |
| #ifndef LINKER_PHDR_H |
| #define LINKER_PHDR_H |
| |
| /* Declarations related to the ELF program header table and segments. |
| * |
| * The design goal is to provide an API that is as close as possible |
| * to the ELF spec, and does not depend on linker-specific data |
| * structures (e.g. the exact layout of struct soinfo). |
| */ |
| |
| #include "elf_traits.h" |
| |
| size_t phdr_table_get_load_size(const ELF::Phdr* phdr_table, |
| size_t phdr_count, |
| ELF::Addr* min_vaddr = NULL, |
| ELF::Addr* max_vaddr = NULL); |
| |
| int phdr_table_protect_segments(const ELF::Phdr* phdr_table, |
| int phdr_count, |
| ELF::Addr load_bias); |
| |
| int phdr_table_unprotect_segments(const ELF::Phdr* phdr_table, |
| int phdr_count, |
| ELF::Addr load_bias); |
| |
| int phdr_table_get_relro_info(const ELF::Phdr* phdr_table, |
| int phdr_count, |
| ELF::Addr load_bias, |
| ELF::Addr* relro_start, |
| ELF::Addr* relro_size); |
| |
| int phdr_table_protect_gnu_relro(const ELF::Phdr* phdr_table, |
| int phdr_count, |
| ELF::Addr load_bias); |
| |
| #ifdef __arm__ |
| int phdr_table_get_arm_exidx(const ELF::Phdr* phdr_table, |
| int phdr_count, |
| ELF::Addr load_bias, |
| ELF::Addr** arm_exidx, |
| unsigned* arm_exidix_count); |
| #endif |
| |
| void phdr_table_get_dynamic_section(const ELF::Phdr* phdr_table, |
| int phdr_count, |
| ELF::Addr load_bias, |
| const ELF::Dyn** dynamic, |
| size_t* dynamic_count, |
| ELF::Word* dynamic_flags); |
| |
| #endif /* LINKER_PHDR_H */ |