glibc/sysdeps/generic/abort-instr.h

32 lines
1.3 KiB
C

/* Magic instruction to crash quickly and reliably. Generic/stub version.
Copyright (C) 2014-2015 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. */
#endif
#endif /* abort-instr.h */