sysdeps/generic/abort-instr.h

   1 /* Magic instruction to crash quickly and reliably.  Generic/stub version.
   2    Copyright (C) 2014-2019 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _ABORT_INSTR_H
  20 #define _ABORT_INSTR_H  1
  21
  22 /* If the compiler provides the generic way to generate the right
  23    instruction, we can use that without any machine-specific knowledge.  */
  24 #if HAVE_BUILTIN_TRAP
  25 # define ABORT_INSTRUCTION      __builtin_trap ()
  26 #else
  27 /* We cannot give any generic instruction to crash the program.
  28    abort will have to make sure it never returns.  */
  29 #endif
  30
  31 #endif  /* abort-instr.h */