[thirdparty/glibc.git] / sysdeps / i386 / htl / machine-sp.h

/* Machine-specific function to return the stack pointer.  i386 version.
   Copyright (C) 1994-2021 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 _MACHINE_SP_H
#define _MACHINE_SP_H

/* Return the current stack pointer.  */

#define __thread_stack_pointer() ({					      \
  register void *__sp__ asm("esp");					      \
  __sp__;								      \
})

#endif /* machine-sp.h */
Commit	Line	Data
33574c17	1	/* Machine-specific function to return the stack pointer. i386 version.
2b778ceb	2	Copyright (C) 1994-2021 Free Software Foundation, Inc.
33574c17 ST	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
5a82c748	17	<https://www.gnu.org/licenses/>. */
33574c17 ST	18
	19	#ifndef _MACHINE_SP_H
	20	#define _MACHINE_SP_H
	21
	22	/* Return the current stack pointer. */
	23
	24	#define __thread_stack_pointer() ({ \
	25	register void *__sp__ asm("esp"); \
	26	__sp__; \
	27	})
	28
	29	#endif /* machine-sp.h */