diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps/sh/pt-machine.h')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/sh/pt-machine.h | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/libpthread/linuxthreads/sysdeps/sh/pt-machine.h b/libpthread/linuxthreads/sysdeps/sh/pt-machine.h index 7287dc936..cc3a4f2ce 100644 --- a/libpthread/linuxthreads/sysdeps/sh/pt-machine.h +++ b/libpthread/linuxthreads/sysdeps/sh/pt-machine.h @@ -1,28 +1,35 @@ /* Machine-dependent pthreads configuration and inline functions. SuperH version. - Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Niibe Yutaka <gniibe@m17n.org>. 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 + 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 - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public + 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 __ASSEMBLER__ #ifndef PT_EI # define PT_EI extern 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) @@ -39,6 +46,11 @@ testandset (int *spinlock) return (ret == 0); } +/* We want the OS to assign stack addresses. */ +#define FLOATING_STACKS 1 + +/* Maximum size of the stack if the rlimit is unlimited. */ +#define ARCH_STACK_MAX_SIZE 32*1024*1024 /* Get some notion of the current stack. Need not be exactly the top of the stack, just something somewhere in the current frame. */ @@ -53,4 +65,13 @@ struct _pthread_descr_struct; /* Initialize the thread-unique value. */ #define INIT_THREAD_SELF(descr, nr) \ - ({ __asm__("ldc %0,gbr" : : "r" (descr));}) + ({ __asm__ __volatile__("ldc %0,gbr" : : "r" (descr));}) + +/* 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) +#endif /* __ASSEMBLER__ */ + +#endif /* pt-machine.h */ |