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Diffstat (limited to 'linuxthreads/sysdeps/mips/pt-machine.h')
| -rw-r--r-- | linuxthreads/sysdeps/mips/pt-machine.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/linuxthreads/sysdeps/mips/pt-machine.h b/linuxthreads/sysdeps/mips/pt-machine.h deleted file mode 100644 index 96f7a7f8c6..0000000000 --- a/linuxthreads/sysdeps/mips/pt-machine.h +++ /dev/null @@ -1,92 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. - - Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004 - Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ralf Baechle <ralf@gnu.org>. - Based on the Alpha version by Richard Henderson <rth@tamu.edu>. - - 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 - -#include <sgidefs.h> -#include <sys/tas.h> - -#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); - - -/* Spinlock implementation; required. */ - -PT_EI long int -testandset (int *spinlock) -{ - return _test_and_set (spinlock, 1); -} - - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. */ -#define CURRENT_STACK_FRAME stack_pointer -register char * stack_pointer __asm__ ("$29"); - - -/* Compare-and-swap for semaphores. */ - -#define HAS_COMPARE_AND_SWAP -PT_EI int -__compare_and_swap (long int *p, long int oldval, long int newval) -{ - long int ret, temp; - - __asm__ __volatile__ - ("/* Inline compare & swap */\n" - "1:\n\t" - ".set push\n\t" -#if _MIPS_SIM == _ABIO32 - ".set mips2\n\t" -#endif -#if _MIPS_SIM == _ABI64 - "lld %1,%5\n\t" -#else - "ll %1,%5\n\t" -#endif - "move %0,$0\n\t" - "bne %1,%3,2f\n\t" - "move %0,%4\n\t" -#if _MIPS_SIM == _ABI64 - "scd %0,%2\n\t" -#else - "sc %0,%2\n\t" -#endif - ".set pop\n\t" - "beqz %0,1b\n" - "2:\n\t" - "/* End compare & swap */" - : "=&r" (ret), "=&r" (temp), "=m" (*p) - : "r" (oldval), "r" (newval), "m" (*p) - : "memory"); - - return ret; -} - -#endif /* pt-machine.h */ |