2001-10-29 05:39:05 +01:00
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/* Machine-specific function to return the stack pointer. PowerPC version.
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2007-03-17 18:04:28 +01:00
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Copyright (C) 2001, 2007 Free Software Foundation, Inc.
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2001-10-29 05:39:05 +01:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2002-08-27 00:40:48 +02:00
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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2001-10-29 05:39:05 +01:00
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2002-08-27 00:40:48 +02:00
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Lesser General Public License for more details.
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2001-10-29 05:39:05 +01:00
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2002-08-27 00:40:48 +02:00
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You should have received a copy of the GNU Lesser General Public
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2012-02-10 00:18:22 +01:00
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, see <http://www.gnu.org/licenses/>. */
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2001-10-29 05:39:05 +01:00
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#ifndef _MACHINE_SP_H
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#define _MACHINE_SP_H
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/* Return the current stack pointer. */
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#ifndef _EXTERN_INLINE
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/* Make sure this function is included in hurd/threadvar-inlines.c. */
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# ifdef _HURD_THREADVAR_H_EXTERN_INLINE
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# define _EXTERN_INLINE _HURD_THREADVAR_H_EXTERN_INLINE
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# else
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2007-03-17 18:04:28 +01:00
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# define _EXTERN_INLINE __extern_inline
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2001-10-29 05:39:05 +01:00
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# endif
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#endif
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_EXTERN_INLINE void *
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__thread_stack_pointer (void)
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{
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register void *__sp__;
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__asm__ ("mr %0, 1" : "=r" (__sp__));
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return __sp__;
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}
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#endif /* machine-sp.h */
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