glibc/sysdeps/mach/alpha/machine-sp.h

37 lines
1.2 KiB
C

/* Machine-specific function to return the stack pointer. Alpha version.
Copyright (C) 1994, 1997, 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; 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
#define _EXTERN_INLINE __extern_inline
#endif
_EXTERN_INLINE void *
__thread_stack_pointer (void)
{
register void *__sp__ __asm__ ("$30");
return __sp__;
}
#endif /* machine-sp.h */