[thirdparty/glibc.git] / sysdeps / generic / pointer_guard.h

/* Pointer obfuscation implenentation.  Generic (no-op) version.
   Copyright (C) 2022-2023 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
   <https://www.gnu.org/licenses/>.  */

#ifndef POINTER_GUARD_H
#define POINTER_GUARD_H

/* Assembler code depends on PTR_MANGLE not being defined for
   optimization purposes.  */
#ifndef __ASSEMBLER__
# define PTR_MANGLE(x) (void) (x)
# define PTR_DEMANGLE(x) (void) (x)
#endif

#endif /* POINTER_GUARD_H */
Commit	Line	Data
88f4b692	1	/* Pointer obfuscation implenentation. Generic (no-op) version.
6d7e8eda	2	Copyright (C) 2022-2023 Free Software Foundation, Inc.
88f4b692 FW	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	<https://www.gnu.org/licenses/>. */
	18
	19	#ifndef POINTER_GUARD_H
	20	#define POINTER_GUARD_H
	21
	22	/* Assembler code depends on PTR_MANGLE not being defined for
	23	optimization purposes. */
	24	#ifndef __ASSEMBLER__
	25	# define PTR_MANGLE(x) (void) (x)
	26	# define PTR_DEMANGLE(x) (void) (x)
	27	#endif
	28
	29	#endif /* POINTER_GUARD_H */