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linux_machdep.h revision 1.3 
      1 /*	$NetBSD: linux_machdep.h,v 1.3 1995/05/07 02:59:34 mycroft Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Frank van der Linden
      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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed for the NetBSD Project
     18  *      by Frank van der Linden
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _LINUX_MACHDEP_H
     35 #define _LINUX_MACHDEP_H
     36 
     37 /*
     38  * The Linux sigcontext, pretty much a standard 386 trapframe.
     39  */
     40 
     41 struct linux_sigcontext {
     42 	int	sc_gs;
     43 	int	sc_fs;
     44 	int     sc_es;
     45 	int     sc_ds;
     46 	int     sc_edi;
     47 	int     sc_esi;
     48 	int     sc_ebp;
     49 	int	sc_esp;
     50 	int     sc_ebx;
     51 	int     sc_edx;
     52 	int     sc_ecx;
     53 	int     sc_eax;
     54 	int     sc_trapno;
     55 	int     sc_err;
     56 	int     sc_eip;
     57 	int     sc_cs;
     58 	int     sc_eflags;
     59 	int     sc_esp_at_signal;
     60 	int     sc_ss;
     61 	int	sc_387;
     62 	int	sc_mask;
     63 	int	sc_cr2;
     64 };
     65 
     66 /*
     67  * We make the stack look like Linux expects it when calling a signal
     68  * handler, but use the BSD way of calling the handler and sigreturn().
     69  * This means that we need to pass the pointer to the handler too.
     70  * It is appended to the frame to not interfere with the rest of it.
     71  */
     72 
     73 struct linux_sigframe {
     74 	int	sf_sig;
     75 	struct	linux_sigcontext sf_sc;
     76 	sig_t	sf_handler;
     77 };
     78 
     79 void linux_sendsig __P((sig_t, int, int, u_long));
     80 
     81 #endif /* _LINUX_MACHDEP_H */
     82