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netbsd32_machdep.h revision 1.3 
      1 /*	$NetBSD: netbsd32_machdep.h,v 1.3 2007/09/16 22:35:01 dsl Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998, 2001 Matthew R. Green
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #ifndef _MACHINE_NETBSD32_H_
     32 #define _MACHINE_NETBSD32_H_
     33 
     34 #include <sys/types.h>
     35 #include <sys/proc.h>
     36 
     37 typedef	u_int32_t netbsd32_pointer_t;
     38 
     39 /*
     40  * Convert a pointer in the 32-bit world to a valid 64-bit pointer.
     41  */
     42 #define	NETBSD32PTR64(p32)	((void *)(u_long)(u_int)(p32))
     43 
     44 /* ppc32 has 32bit aligned 64bit integers */
     45 #define NETBSD32_INT64_ALIGN __attribute__((__aligned__(4)))
     46 
     47 #include <compat/netbsd32/netbsd32.h>
     48 #include <powerpc/frame.h>
     49 
     50 /* from <arch/sparc/include/signal.h> */
     51 typedef u_int32_t netbsd32_sigcontextp_t;
     52 
     53 struct netbsd32_sigcontext {
     54 	int		sc_onstack;	/* sigstack state to restore */
     55 	int		__sc_mask13;	/* signal mask to restore (old style) */
     56 	/* begin machine dependent portion */
     57 	struct trapframe32 sc_frame;	/* saved registers */
     58 	sigset_t	sc_mask;	/* signal mask to restore (new style) */
     59 };
     60 
     61 struct netbsd32_sigcontext13 {
     62 	int	sc_onstack;		/* sigstack state to restore */
     63 	int	sc_mask;		/* signal mask to restore (old style) */
     64 	/* begin machine dependent portion */
     65 	struct trapframe32 sc_frame;	/* saved registers */
     66 };
     67 
     68 struct exec_package;
     69 void netbsd32_setregs (struct lwp *, struct exec_package *, u_long);
     70 int netbsd32_sigreturn (struct lwp *, void *, register_t *);
     71 void netbsd32_sendsig (int sig, sigset_t *, u_long);
     72 
     73 extern char netbsd32_esigcode[], netbsd32_sigcode[];
     74 
     75 /*
     76  * Need to plug into get sparc specific ioctl's.
     77  */
     78 #define	NETBSD32_MD_IOCTL	/* enable netbsd32_md_ioctl() */
     79 int netbsd32_md_ioctl(struct file *, netbsd32_u_long, void *, struct proc *);
     80 
     81 #endif /* _MACHINE_NETBSD32_H_ */
     82