Line data    Source code

       1             : /* Error handling in libasm.
       2             :    Copyright (C) 2002, 2004, 2005, 2009 Red Hat, Inc.
       3             :    This file is part of elfutils.
       4             :    Written by Ulrich Drepper <drepper@redhat.com>, 2002.
       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 <libintl.h>
      35             : #include <stdbool.h>
      36             : #include <stdlib.h>
      37             : 
      38             : #include "libasmP.h"
      39             : 
      40             : 
      41             : /* This is the key for the thread specific memory.  */
      42             : static __thread int global_error;
      43             : 
      44             : 
      45             : int
      46           0 : asm_errno (void)
      47             : {
      48           0 :   int result = global_error;
      49           0 :   global_error = ASM_E_NOERROR;
      50           0 :   return result;
      51             : }
      52             : 
      53             : 
      54             : void
      55             : internal_function
      56           0 : __libasm_seterrno (int value)
      57             : {
      58           0 :   global_error = value;
      59           0 : }
      60             : 
      61             : 
      62             : /* Return the appropriate message for the error.  */
      63             : static const char *msgs[ASM_E_NUM] =
      64             : {
      65             :   [ASM_E_NOERROR] = N_("no error"),
      66             :   [ASM_E_NOMEM] = N_("out of memory"),
      67             :   [ASM_E_CANNOT_CREATE] = N_("cannot create output file"),
      68             :   [ASM_E_INVALID] = N_("invalid parameter"),
      69             :   [ASM_E_CANNOT_CHMOD] = N_("cannot change mode of output file"),
      70             :   [ASM_E_CANNOT_RENAME] = N_("cannot rename output file"),
      71             :   [ASM_E_DUPLSYM] = N_("duplicate symbol"),
      72             :   [ASM_E_TYPE] = N_("invalid section type for operation"),
      73             :   [ASM_E_IOERROR] = N_("error during output of data"),
      74             :   [ASM_E_ENOSUP] = N_("no backend support available"),
      75             : };
      76             : 
      77             : const char *
      78           0 : asm_errmsg (int error)
      79             : {
      80           0 :   int last_error = global_error;
      81             : 
      82           0 :   if (error < -1)
      83           0 :     return _("unknown error");
      84           0 :   if (error == 0 && last_error == 0)
      85             :     /* No error.  */
      86             :     return NULL;
      87             : 
      88           0 :   if (error != -1)
      89           0 :     last_error = error;
      90             : 
      91           0 :   if (last_error == ASM_E_LIBELF)
      92           0 :     return elf_errmsg (-1);
      93             : 
      94           0 :   return _(msgs[last_error]);
      95             : }