1 /* $NetBSD: linux_machdep.h,v 1.1 1995/04/07 22:31:19 fvdl 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 lsc_gs; 43 int lsc_fs; 44 int lsc_es; 45 int lsc_ds; 46 int lsc_edi; 47 int lsc_esi; 48 int lsc_ebp; 49 int lsc_ebx; 50 int lsc_edx; 51 int lsc_ecx; 52 int lsc_eax; 53 int lsc_trapno; 54 int lsc_err; 55 int lsc_eip; 56 int lsc_cs; 57 int lsc_eflags; 58 int lsc_esp; 59 int lsc_ss; 60 int lsc_387; 61 int lsc_mask; 62 int lsc_cr2; 63 }; 64 65 /* 66 * We make the stack look like Linux expects it when calling a signal 67 * handler, but use the BSD way of calling the handler and sigreturn(). 68 * This means that we need to pass the pointer to the handler too. 69 * It is appended to the frame to not interfere with the rest of it. 70 */ 71 72 struct linux_sigframe { 73 int ls_sig; 74 struct linux_sigcontext ls_sc; 75 sig_t ls_handler; 76 }; 77 78 #endif /* _LINUX_MACHDEP_H */ 79