diff options
Diffstat (limited to 'libpthread/linuxthreads/sysdeps')
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/sh/pt-machine.h | 56 | ||||
| -rw-r--r-- | libpthread/linuxthreads/sysdeps/sh/sigcontextinfo.h | 27 | 
2 files changed, 83 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/sysdeps/sh/pt-machine.h b/libpthread/linuxthreads/sysdeps/sh/pt-machine.h new file mode 100644 index 000000000..7287dc936 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/sh/pt-machine.h @@ -0,0 +1,56 @@ +/* Machine-dependent pthreads configuration and inline functions. +   SuperH version. +   Copyright (C) 1999, 2000, 2001 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 +   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 long int +testandset (int *spinlock) +{ +  int ret; + +  __asm__ __volatile__( +       "tas.b	@%1\n\t" +       "movt	%0" +       : "=r" (ret) +       : "r" (spinlock) +       : "memory", "cc"); + +  return (ret == 0); +} + + +/* 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__ ("r15"); + +/* Return the thread descriptor for the current thread.  */ +struct _pthread_descr_struct; +#define THREAD_SELF \ +  ({ struct _pthread_descr_struct *self; \ +      __asm__("stc gbr,%0" : "=r" (self)); self;}) + +/* Initialize the thread-unique value.  */ +#define INIT_THREAD_SELF(descr, nr) \ +  ({ __asm__("ldc %0,gbr" : : "r" (descr));}) diff --git a/libpthread/linuxthreads/sysdeps/sh/sigcontextinfo.h b/libpthread/linuxthreads/sysdeps/sh/sigcontextinfo.h new file mode 100644 index 000000000..3e1f3e949 --- /dev/null +++ b/libpthread/linuxthreads/sysdeps/sh/sigcontextinfo.h @@ -0,0 +1,27 @@ +/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. +   This file is part of the GNU C Library. +   Contributed by Philip Blundell <philb@gnu.org>, 1999. + +   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; if not, write to the Free +   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +   02111-1307 USA.  */ + +#define SIGCONTEXT int _a2, int _a3, int _a4, struct sigcontext + +#define SIGCONTEXT_EXTRA_ARGS _a2, _a3, _a4, +#define GET_PC(ctx)	((void *) ctx.sc_pc) +#define GET_FRAME(ctx)	((void *) ctx.sc_regs[14]) +#define GET_STACK(ctx)	((void *) ctx.sc_regs[15]) +#define CALL_SIGHANDLER(handler, signo, ctx) \ +  (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))  | 
