/*

 * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#ifndef _SALIBELF_H_

#define _SALIBELF_H_

#include <elf.h>

#include "elfmacros.h"

#include "libproc_impl.h"

// read ELF file header.

int read_elf_header(int fd, ELF_EHDR* ehdr);

// is given file descriptor corresponds to an ELF file?

bool is_elf_file(int fd);

// read program header table of an ELF file. caller has to

// free the result pointer after use. NULL on failure.

ELF_PHDR* read_program_header_table(int fd, ELF_EHDR* hdr);

// read section header table of an ELF file. caller has to

// free the result pointer after use. NULL on failure.

ELF_SHDR* read_section_header_table(int fd, ELF_EHDR* hdr);

// read a particular section's data. caller has to free the

// result pointer after use. NULL on failure.

void* read_section_data(int fd, ELF_EHDR* ehdr, ELF_SHDR* shdr);

// find the base address at which the library wants to load itself

uintptr_t find_base_address(int fd, ELF_EHDR* ehdr);

#endif /* _SALIBELF_H_ */