diff options
author | Eric Andersen <andersen@codepoet.org> | 2003-01-02 16:48:42 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2003-01-02 16:48:42 +0000 |
commit | f980a783a335d83330e832ed92c0aa8f1abb93b8 (patch) | |
tree | 69d00c1eaffd1e8c808ffbf66ac0d4565ee34e80 /libpthread/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h | |
parent | d4b37495fb022640b1db8c0aa8615392c8969684 (diff) |
Rework sparc architecture support so it will compile
and run. Seems to be working...
-Erik
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h')
-rw-r--r-- | libpthread/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/libpthread/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h b/libpthread/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h deleted file mode 100644 index 5560003fc..000000000 --- a/libpthread/linuxthreads/sysdeps/sparc/sparc64/pt-machine.h +++ /dev/null @@ -1,77 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. - Sparc v9 version. - Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed 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 Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library 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_EI -# define PT_EI extern inline -#endif - - -/* Spinlock implementation; required. */ -PT_EI int -testandset (int *spinlock) -{ - int ret; - - __asm__ __volatile__("ldstub %1,%0" - : "=r"(ret), "=m"(*spinlock) : "m"(*spinlock)); - - 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. */ -#define CURRENT_STACK_FRAME stack_pointer -register char *stack_pointer __asm__ ("%sp"); - - -/* Registers %g6 and %g7 are reserved by the ABI for "system use". It - happens that Solaris uses %g6 for the thread pointer -- we do the same. */ -struct _pthread_descr_struct; -register struct _pthread_descr_struct *__thread_self __asm__("%g6"); - -/* Return the thread descriptor for the current thread. */ -#define THREAD_SELF __thread_self - -/* Initialize the thread-unique value. */ -#define INIT_THREAD_SELF(descr, nr) (__thread_self = (descr)) - - -/* 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 readval; - - __asm__ __volatile__ ("casx [%4], %2, %0" - : "=r"(readval), "=m"(*p) - : "r"(oldval), "m"(*p), "r"(p), "0"(newval)); - - return readval == oldval; -} - -/* Access to data in the thread descriptor is easy. */ -#define THREAD_GETMEM(descr, member) __thread_self->member -#define THREAD_GETMEM_NC(descr, member) __thread_self->member -#define THREAD_SETMEM(descr, member, value) __thread_self->member = (value) -#define THREAD_SETMEM_NC(descr, member, value) __thread_self->member = (value) |