elfparser.h

   1 /* Sysprof -- Sampling, systemwide CPU profiler
   2  * Copyright 2006, 2007, Soeren Sandmann
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  */
  18 #include <glib.h>
  19
  20 typedef struct ElfSym ElfSym;
  21 typedef struct ElfParser ElfParser;
  22
  23 ElfParser *   elf_parser_new_from_data  (const guchar *data,
  24                                          gsize         length);
  25 ElfParser *   elf_parser_new            (const char  *filename,
  26                                          GError     **err);
  27 void          elf_parser_free           (ElfParser   *parser);
  28 const char *  elf_parser_get_debug_link (ElfParser   *parser,
  29                                          guint32     *crc32);
  30 const guchar *elf_parser_get_eh_frame   (ElfParser   *parser);
  31 gulong        elf_parser_get_text_offset (ElfParser  *parser);
  32
  33
  34 /* Lookup a symbol in the file.
  35  *
  36  * The symbol returned is const, so don't free it it or anything. It
  37  * will be valid until elf_parser_free() is called on the parser.
  38  *
  39  *
  40  * The address should be given in "file coordinates". This means that
  41  * if the file is mapped at address m and offset o, then an address a
  42  * should be looked up as  "a - (m - o)".  (m - o) is where the start
  43  * of the file would have been mapped, so a - (m - o) is the position
  44  * in the file of a.
  45  */
  46 const ElfSym *elf_parser_lookup_symbol (ElfParser *parser,
  47                                         gulong     address);
  48 guint32 elf_parser_get_crc32 (ElfParser *parser);
  49 const char *elf_parser_get_sym_name (ElfParser *parser,
  50                                      const ElfSym *sym);
  51 gulong elf_parser_get_sym_address (ElfParser *parser,
  52                                    const ElfSym *sym);
  53 char *elf_demangle (const char *name);