libdwfl/dwfl_begin.c

/* Set up a session using libdwfl.
   Copyright (C) 2005 Red Hat, Inc.
   This file is part of Red Hat elfutils.

   Red Hat elfutils is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by the
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   Red Hat elfutils is an included package of the Open Invention Network.
   An included package of the Open Invention Network is a package for which
   Open Invention Network licensees cross-license their patents.  No patent
   license is granted, either expressly or impliedly, by designation as an
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#include "libdwflP.h"

Dwfl *
dwfl_begin (const Dwfl_Callbacks *callbacks)
{
  if (elf_version (EV_CURRENT) == EV_NONE)
    {
      __libdwfl_seterrno (DWFL_E_LIBELF);
      return NULL;
    }

  Dwfl *dwfl = calloc (1, sizeof *dwfl);
  if (dwfl == NULL)
    __libdwfl_seterrno (DWFL_E_NOMEM);
  else
    {
      dwfl->callbacks = callbacks;
      dwfl->offline_next_address = OFFLINE_REDZONE;
    }

  return dwfl;
}
INTDEF (dwfl_begin)