freebsd-skq/sys/sparc64/include/pcb.h
Thomas Moestl 50d97927da Explicitely specify an alignment for struct pcb. While all regular pcb's
are positioned and aligned by md code, dumppcb is just a static
variable and requires this.
2002-10-19 15:54:34 +00:00

52 lines
1.8 KiB
C

/*-
* Copyright (c) 2001 Jake Burkholder.
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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.
*
* $FreeBSD$
*/
#ifndef _MACHINE_PCB_H_
#define _MACHINE_PCB_H_
#include <machine/fp.h>
#include <machine/frame.h>
#define MAXWIN 8
/* NOTE: pcb_fpstate must be aligned on a 64 byte boundary. */
struct pcb {
struct fpstate pcb_fpstate;
u_long pcb_fp;
u_long pcb_pc;
u_long pcb_nsaved;
u_long pcb_rwsp[MAXWIN];
struct rwindow pcb_rw[MAXWIN];
} __aligned(64);
#ifdef _KERNEL
int savectx(struct pcb *pcb);
#endif
#endif /* !_MACHINE_PCB_H_ */