| /* Machine-specific function to return the stack pointer. PowerPC version. |
| Copyright (C) 2001, 2007 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; see the file COPYING.LIB. If not, |
| write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef _MACHINE_SP_H |
| #define _MACHINE_SP_H |
| |
| /* Return the current stack pointer. */ |
| |
| #ifndef _EXTERN_INLINE |
| /* Make sure this function is included in hurd/threadvar-inlines.c. */ |
| # ifdef _HURD_THREADVAR_H_EXTERN_INLINE |
| # define _EXTERN_INLINE _HURD_THREADVAR_H_EXTERN_INLINE |
| # else |
| # define _EXTERN_INLINE __extern_inline |
| # endif |
| #endif |
| |
| _EXTERN_INLINE void * |
| __thread_stack_pointer (void) |
| { |
| register void *__sp__; |
| __asm__ ("mr %0, 1" : "=r" (__sp__)); |
| return __sp__; |
| } |
| |
| #endif /* machine-sp.h */ |