Branch data     Line data    Source code

       1                 :            : /* Return section compression header.
       2                 :            :    Copyright (C) 2015 Red Hat, Inc.
       3                 :            :    This file is part of elfutils.
       4                 :            : 
       5                 :            :    This file is free software; you can redistribute it and/or modify
       6                 :            :    it under the terms of either
       7                 :            : 
       8                 :            :      * the GNU Lesser General Public License as published by the Free
       9                 :            :        Software Foundation; either version 3 of the License, or (at
      10                 :            :        your option) any later version
      11                 :            : 
      12                 :            :    or
      13                 :            : 
      14                 :            :      * the GNU General Public License as published by the Free
      15                 :            :        Software Foundation; either version 2 of the License, or (at
      16                 :            :        your option) any later version
      17                 :            : 
      18                 :            :    or both in parallel, as here.
      19                 :            : 
      20                 :            :    elfutils is distributed in the hope that it will be useful, but
      21                 :            :    WITHOUT ANY WARRANTY; without even the implied warranty of
      22                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      23                 :            :    General Public License for more details.
      24                 :            : 
      25                 :            :    You should have received copies of the GNU General Public License and
      26                 :            :    the GNU Lesser General Public License along with this program.  If
      27                 :            :    not, see <http://www.gnu.org/licenses/>.  */
      28                 :            : 
      29                 :            : #ifdef HAVE_CONFIG_H
      30                 :            : # include <config.h>
      31                 :            : #endif
      32                 :            : 
      33                 :            : #include "libelfP.h"
      34                 :            : #include <gelf.h>
      35                 :            : #include <stddef.h>
      36                 :            : 
      37                 :            : 
      38                 :            : GElf_Chdr *
      39                 :       4088 : gelf_getchdr (Elf_Scn *scn, GElf_Chdr *dest)
      40                 :            : {
      41         [ -  + ]:       4088 :   if (scn == NULL)
      42                 :            :     return NULL;
      43                 :            : 
      44         [ -  + ]:       4088 :   if (dest == NULL)
      45                 :            :     {
      46                 :          0 :       __libelf_seterrno (ELF_E_INVALID_OPERAND);
      47                 :          0 :       return NULL;
      48                 :            :     }
      49                 :            : 
      50         [ +  + ]:       4088 :   if (scn->elf->class == ELFCLASS32)
      51                 :            :     {
      52                 :       1400 :       Elf32_Chdr *chdr = elf32_getchdr (scn);
      53         [ +  + ]:       1400 :       if (chdr == NULL)
      54                 :            :         return NULL;
      55                 :       1316 :       dest->ch_type = chdr->ch_type;
      56                 :       1316 :       dest->ch_size = chdr->ch_size;
      57                 :       1316 :       dest->ch_addralign = chdr->ch_addralign;
      58                 :            :     }
      59                 :            :   else
      60                 :            :     {
      61                 :       2688 :       Elf64_Chdr *chdr = elf64_getchdr (scn);
      62         [ +  + ]:       2688 :       if (chdr == NULL)
      63                 :            :         return NULL;
      64                 :       2508 :       *dest = *chdr;
      65                 :            :     }
      66                 :            : 
      67                 :            :   return dest;
      68                 :            : }
      69                 :            : INTDEF(gelf_getchdr)