/* Machine-specific function to return the stack pointer. i386 version. Copyright (C) 1994-2016 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 . */ #ifndef _MACHINE_SP_H #define _MACHINE_SP_H /* Return the current stack pointer. */ #define __thread_stack_pointer() ({ \ void *__sp__; \ __asm__ ("movl %%esp, %0" : "=r" (__sp__)); \ __sp__; \ }) #endif /* machine-sp.h */