1/* Machine-specific function to return the stack pointer. Linux version.
2 Copyright (C) 2021-2022 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 <https://www.gnu.org/licenses/>. */
18
19#ifndef _MACHINE_SP_H
20#define _MACHINE_SP_H
21
22/* Return the current stack pointer. */
23static inline uintptr_t
24__thread_stack_pointer (void)
25{
26 return (uintptr_t) CURRENT_STACK_FRAME;
27}
28
29#endif /* machine-sp.h */
30

source code of glibc/sysdeps/unix/sysv/linux/machine-sp.h