1 /*
   2  * Copyright 2003-2005 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  *
  23  */
  24 
  25 #ifndef _SALIBELF_H_
  26 #define _SALIBELF_H_
  27 
  28 #include <elf.h>
  29 #include "elfmacros.h"
  30 #include "libproc_impl.h"
  31 
  32 // read ELF file header.
  33 int read_elf_header(int fd, ELF_EHDR* ehdr);
  34 
  35 // is given file descriptor corresponds to an ELF file?
  36 bool is_elf_file(int fd);
  37 
  38 // read program header table of an ELF file. caller has to
  39 // free the result pointer after use. NULL on failure.
  40 ELF_PHDR* read_program_header_table(int fd, ELF_EHDR* hdr);
  41 
  42 // read section header table of an ELF file. caller has to
  43 // free the result pointer after use. NULL on failure.
  44 ELF_SHDR* read_section_header_table(int fd, ELF_EHDR* hdr);
  45 
  46 // read a particular section's data. caller has to free the
  47 // result pointer after use. NULL on failure.
  48 void* read_section_data(int fd, ELF_EHDR* ehdr, ELF_SHDR* shdr);
  49 
  50 // find the base address at which the library wants to load itself
  51 uintptr_t find_base_address(int fd, ELF_EHDR* ehdr);
  52 #endif /* _SALIBELF_H_ */