diff options
Diffstat (limited to 'sysdeps/generic/abort-instr.h')
| -rw-r--r-- | sysdeps/generic/abort-instr.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/sysdeps/generic/abort-instr.h b/sysdeps/generic/abort-instr.h index 106a330b2b..4ac11d2ea5 100644 --- a/sysdeps/generic/abort-instr.h +++ b/sysdeps/generic/abort-instr.h @@ -1,2 +1,31 @@ +/* Magic instruction to crash quickly and reliably. Generic/stub version. + Copyright (C) 2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _ABORT_INSTR_H +#define _ABORT_INSTR_H 1 + +/* If the compiler provides the generic way to generate the right + instruction, we can use that without any machine-specific knowledge. */ +#if HAVE_BUILTIN_TRAP +# define ABORT_INSTRUCTION __builtin_trap () +#else /* We cannot give any generic instruction to crash the program. - abort() will have to make sure it never returns. */ + abort will have to make sure it never returns. */ +#endif + +#endif /* abort-instr.h */ |