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author | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2007-07-12 18:26:36 +0000 |
commit | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch) | |
tree | 2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /linuxthreads/sysdeps/cris/pt-machine.h | |
parent | 7d58530341304d403a6626d7f7a1913165fe2f32 (diff) | |
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2.5-18.1
Diffstat (limited to 'linuxthreads/sysdeps/cris/pt-machine.h')
-rw-r--r-- | linuxthreads/sysdeps/cris/pt-machine.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/linuxthreads/sysdeps/cris/pt-machine.h b/linuxthreads/sysdeps/cris/pt-machine.h deleted file mode 100644 index 431da7101d..0000000000 --- a/linuxthreads/sysdeps/cris/pt-machine.h +++ /dev/null @@ -1,58 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. - CRIS version. - Copyright (C) 2001, 2002, 2003 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 _PT_MACHINE_H -#define _PT_MACHINE_H 1 - -#ifndef PT_EI -# define PT_EI extern inline __attribute__ ((always_inline)) -#endif - -extern long int testandset (int *spinlock); -extern int __compare_and_swap (long int *p, long int oldval, long int newval); - -PT_EI long int -testandset (int *spinlock) -{ - register unsigned long int ret; - - /* Note the use of a dummy output of *spinlock to expose the write. The - memory barrier is to stop *other* writes being moved past this code. */ - __asm__ __volatile__("clearf\n" - "0:\n\t" - "movu.b [%2],%0\n\t" - "ax\n\t" - "move.b %3,[%2]\n\t" - "bwf 0b\n\t" - "clearf" - : "=&r" (ret), "=m" (*spinlock) - : "r" (spinlock), "r" ((int) 1) - : "memory"); - return ret; -} - - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. - I don't trust register variables, so let's do this the safe way. */ -#define CURRENT_STACK_FRAME \ - ({ char *sp; __asm__ ("move.d $sp,%0" : "=rm" (sp)); sp; }) - -#endif /* pt-machine.h */ |