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       1                 :            : /* Create context descriptor for disassembler.
       2                 :            :    Copyright (C) 2005, 2008 Red Hat, Inc.
       3                 :            :    This file is part of elfutils.
       4                 :            :    Written by Ulrich Drepper <drepper@redhat.com>, 2005.
       5                 :            : 
       6                 :            :    This file is free software; you can redistribute it and/or modify
       7                 :            :    it under the terms of either
       8                 :            : 
       9                 :            :      * the GNU Lesser General Public License as published by the Free
      10                 :            :        Software Foundation; either version 3 of the License, or (at
      11                 :            :        your option) any later version
      12                 :            : 
      13                 :            :    or
      14                 :            : 
      15                 :            :      * the GNU General Public License as published by the Free
      16                 :            :        Software Foundation; either version 2 of the License, or (at
      17                 :            :        your option) any later version
      18                 :            : 
      19                 :            :    or both in parallel, as here.
      20                 :            : 
      21                 :            :    elfutils is distributed in the hope that it will be useful, but
      22                 :            :    WITHOUT ANY WARRANTY; without even the implied warranty of
      23                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      24                 :            :    General Public License for more details.
      25                 :            : 
      26                 :            :    You should have received copies of the GNU General Public License and
      27                 :            :    the GNU Lesser General Public License along with this program.  If
      28                 :            :    not, see <http://www.gnu.org/licenses/>.  */
      29                 :            : 
      30                 :            : #ifdef HAVE_CONFIG_H
      31                 :            : # include <config.h>
      32                 :            : #endif
      33                 :            : 
      34                 :            : #include <stdlib.h>
      35                 :            : 
      36                 :            : #include "libasmP.h"
      37                 :            : #include "libeblP.h"
      38                 :            : 
      39                 :            : 
      40                 :            : DisasmCtx_t *
      41                 :          4 : disasm_begin (Ebl *ebl, Elf *elf, DisasmGetSymCB_t symcb)
      42                 :            : {
      43         [ +  - ]:          4 :   if (ebl == NULL)
      44                 :            :     return NULL;
      45                 :            : 
      46         [ -  + ]:          4 :   if (ebl->disasm == NULL)
      47                 :            :     {
      48                 :          0 :       __libasm_seterrno (ASM_E_ENOSUP);
      49                 :          0 :       return NULL;
      50                 :            :     }
      51                 :            : 
      52                 :          4 :   DisasmCtx_t *ctx = malloc (sizeof (DisasmCtx_t));
      53         [ -  + ]:          4 :   if (ctx == NULL)
      54                 :            :     {
      55                 :          0 :       __libasm_seterrno (ASM_E_NOMEM);
      56                 :          0 :       return NULL;
      57                 :            :     }
      58                 :            : 
      59                 :          4 :   ctx->ebl = ebl;
      60                 :          4 :   ctx->elf = elf;
      61                 :          4 :   ctx->symcb = symcb;
      62                 :            : 
      63                 :          4 :   return ctx;
      64                 :            : }