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3960
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1 /*
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2 * Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef _SALIBELF_H_
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26 #define _SALIBELF_H_
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27
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28 #include <elf.h>
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29 #include "elfmacros.h"
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30 #include "libproc_impl.h"
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31
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32 // read ELF file header.
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33 int read_elf_header(int fd, ELF_EHDR* ehdr);
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34
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35 // is given file descriptor corresponds to an ELF file?
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36 bool is_elf_file(int fd);
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37
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38 // read program header table of an ELF file. caller has to
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39 // free the result pointer after use. NULL on failure.
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40 ELF_PHDR* read_program_header_table(int fd, ELF_EHDR* hdr);
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41
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42 // read section header table of an ELF file. caller has to
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43 // free the result pointer after use. NULL on failure.
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44 ELF_SHDR* read_section_header_table(int fd, ELF_EHDR* hdr);
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45
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46 // read a particular section's data. caller has to free the
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47 // result pointer after use. NULL on failure.
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48 void* read_section_data(int fd, ELF_EHDR* ehdr, ELF_SHDR* shdr);
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49
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50 // find the base address at which the library wants to load itself
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51 uintptr_t find_base_address(int fd, ELF_EHDR* ehdr);
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52 #endif /* _SALIBELF_H_ */
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