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/* $NetBSD: pthread_md.h,v 1.2 2003/01/22 13:52:48 scw Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Steve C. Woodford for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LIB_PTHREAD_SH5_MD_H
#define _LIB_PTHREAD_SH5_MD_H
static __inline long
pthread__sp(void)
{
register_t ret;
__asm __volatile("add r15, r63, %0" : "=g" (ret));
return ((long)ret);
}
#define pthread__uc_sp(ucp) ((ucp)->uc_mcontext.__gregs[_REG_SP])
#define pthread__uc_pc(ucp) ((ucp)->uc_mcontext.__gregs[_REG_PC])
/*
* SH5 requires no extra stack space
*/
#define STACKSPACE 0
/*
* Conversions between struct reg and struct mcontext. Used by
* libpthread_dbg.
*/
#define PTHREAD_UCONTEXT_TO_REG(reg, uc) \
memcpy((reg), &(uc)->uc_mcontext.__gregs[0], sizeof(*(reg)))
#define PTHREAD_REG_TO_UCONTEXT(uc, reg) do { \
memcpy(&(uc)->uc_mcontext.__gregs[0], (reg), sizeof(*(reg))); \
(uc)->uc_flags = ((uc)->uc_flags | _UC_CPU) & ~_UC_USER; \
} while (/*CONSTCOND*/0)
#define PTHREAD_UCONTEXT_TO_FPREG(freg, uc) \
memcpy((freg), &(uc)->uc_mcontext.__fpregs, sizeof(*(freg)));
#define PTHREAD_FPREG_TO_UCONTEXT(uc, freg) do { \
memcpy(&(uc)->uc_mcontext.__fpregs, (freg), sizeof(*(freg))); \
(uc)->uc_flags = ((uc)->uc_flags | _UC_FPU) & ~_UC_USER; \
} while (/*CONSTCOND*/0)
#endif /* _LIB_PTHREAD_SH5_MD_H */
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