contrib/elftoolchain/libdwarf/dwarf_sections.c

   1 /*-
   2  * Copyright (c) 2014 Kai Wang
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include "_libdwarf.h"
  28
  29 ELFTC_VCSID("$Id: dwarf_sections.c 3226 2015-06-23 13:00:16Z emaste $");
  30
  31 #define SET(N, V)                               \
  32         do {                                    \
  33                 if ((N) != NULL)                \
  34                         *(N) = (V);             \
  35         } while (0)
  36
  37 int
  38 dwarf_get_section_max_offsets_b(Dwarf_Debug dbg, Dwarf_Unsigned *debug_info,
  39     Dwarf_Unsigned *debug_abbrev, Dwarf_Unsigned *debug_line,
  40     Dwarf_Unsigned *debug_loc, Dwarf_Unsigned *debug_aranges,
  41     Dwarf_Unsigned *debug_macinfo, Dwarf_Unsigned *debug_pubnames,
  42     Dwarf_Unsigned *debug_str, Dwarf_Unsigned *debug_frame,
  43     Dwarf_Unsigned *debug_ranges, Dwarf_Unsigned *debug_pubtypes,
  44     Dwarf_Unsigned *debug_types)
  45 {
  46         const char *n;
  47         Dwarf_Unsigned sz;
  48         int i;
  49
  50         if (dbg == NULL)
  51                 return (DW_DLV_ERROR);
  52
  53         SET(debug_info, 0);
  54         SET(debug_abbrev, 0);
  55         SET(debug_line, 0);
  56         SET(debug_loc, 0);
  57         SET(debug_aranges, 0);
  58         SET(debug_macinfo, 0);
  59         SET(debug_pubnames, 0);
  60         SET(debug_str, 0);
  61         SET(debug_frame, 0);
  62         SET(debug_ranges, 0);
  63         SET(debug_pubtypes, 0);
  64         SET(debug_types, 0);
  65
  66         for (i = 0; (Dwarf_Unsigned) i < dbg->dbg_seccnt; i++) {
  67                 n = dbg->dbg_section[i].ds_name;
  68                 sz = dbg->dbg_section[i].ds_size;
  69                 if (!strcmp(n, ".debug_info"))
  70                         SET(debug_info, sz);
  71                 else if (!strcmp(n, ".debug_abbrev"))
  72                         SET(debug_abbrev, sz);
  73                 else if (!strcmp(n, ".debug_line"))
  74                         SET(debug_line, sz);
  75                 else if (!strcmp(n, ".debug_loc"))
  76                         SET(debug_loc, sz);
  77                 else if (!strcmp(n, ".debug_aranges"))
  78                         SET(debug_aranges, sz);
  79                 else if (!strcmp(n, ".debug_macinfo"))
  80                         SET(debug_macinfo, sz);
  81                 else if (!strcmp(n, ".debug_pubnames"))
  82                         SET(debug_pubnames, sz);
  83                 else if (!strcmp(n, ".debug_str"))
  84                         SET(debug_str, sz);
  85                 else if (!strcmp(n, ".debug_frame"))
  86                         SET(debug_frame, sz);
  87                 else if (!strcmp(n, ".debug_ranges"))
  88                         SET(debug_ranges, sz);
  89                 else if (!strcmp(n, ".debug_pubtypes"))
  90                         SET(debug_pubtypes, sz);
  91                 else if (!strcmp(n, ".debug_types"))
  92                         SET(debug_types, sz);
  93         }
  94
  95         return (DW_DLV_OK);
  96 }
  97
  98 int
  99 dwarf_get_section_max_offsets(Dwarf_Debug dbg, Dwarf_Unsigned *debug_info,
 100     Dwarf_Unsigned *debug_abbrev, Dwarf_Unsigned *debug_line,
 101     Dwarf_Unsigned *debug_loc, Dwarf_Unsigned *debug_aranges,
 102     Dwarf_Unsigned *debug_macinfo, Dwarf_Unsigned *debug_pubnames,
 103     Dwarf_Unsigned *debug_str, Dwarf_Unsigned *debug_frame,
 104     Dwarf_Unsigned *debug_ranges, Dwarf_Unsigned *debug_pubtypes)
 105 {
 106
 107         return (dwarf_get_section_max_offsets_b(dbg, debug_info, debug_abbrev,
 108             debug_line, debug_loc, debug_aranges, debug_macinfo,
 109             debug_pubnames, debug_str, debug_frame, debug_ranges,
 110             debug_pubtypes, NULL));
 111 }