/* 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 */