/* $OpenBSD: frame.h,v 1.13 2018/06/15 17:58:41 bluhm Exp $ */ /* $NetBSD: frame.h,v 1.12 1995/10/11 04:20:08 mycroft Exp $ */ /*- * Copyright (c) 1995 Charles M. Hannum. All rights reserved. * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * 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. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * @(#)frame.h 5.2 (Berkeley) 1/18/91 */ #ifndef _MACHINE_FRAME_H #define _MACHINE_FRAME_H #include <sys/signal.h> /* * System stack frames. */ /* * Exception/Trap Stack Frame */ struct trapframe { int tf_fs; int tf_gs; int tf_es; int tf_ds; int tf_edi; int tf_esi; int tf_err; /* not the hardware position */ int tf_ebx; int tf_edx; int tf_ecx; int tf_eax; int tf_trapno; /* below portion defined in 386 hardware */ int tf_ebp; /* hardware puts err here, INTRENTRY() moves it up */ int tf_eip; int tf_cs; int tf_eflags; /* below used when transitting rings (e.g. user to kernel) */ int tf_esp; int tf_ss; /* below used when switching out of VM86 mode */ int tf_vm86_es; int tf_vm86_ds; int tf_vm86_fs; int tf_vm86_gs; }; /* * Interrupt stack frame */ struct intrframe { int if_ppl; int if_fs; int if_gs; int if_es; int if_ds; int if_edi; int if_esi; int :32; /* for compat with trap frame - err */ int if_ebx; int if_edx; int if_ecx; int if_eax; int :32; /* for compat with trap frame - trapno */ int if_ebp; /* below portion defined in 386 hardware */ int if_eip; int if_cs; int if_eflags; /* below only when transitting rings (e.g. user to kernel) */ int if_esp; int if_ss; }; /* * iret stack frame */ struct iretframe { int irf_trapno; int irf_err; int irf_eip; int irf_cs; int irf_eflags; int irf_esp; int irf_ss; /* below used when switching back to VM86 mode */ int irf_vm86_es; int irf_vm86_ds; int irf_vm86_fs; int irf_vm86_gs; }; /* * Trampoline stack frame */ struct trampframe { int trf__deadbeef; int trf__kern_esp; int trf_fs; int trf_eax; int trf_ebp; int trf_trapno; int trf_err; int trf_eip; int trf_cs; int trf_eflags; int trf_esp; int trf_ss; /* below used when switching out of VM86 mode */ int trf_vm86_es; int trf_vm86_ds; int trf_vm86_fs; int trf_vm86_gs; }; /* * Stack frame inside cpu_switch() */ struct switchframe { int sf_edi; int sf_esi; int sf_ebx; int sf_eip; }; struct callframe { struct callframe *f_frame; int f_retaddr; int f_arg0; }; /* * Signal frame */ struct sigframe { int sf_signum; siginfo_t *sf_sip; struct sigcontext *sf_scp; sig_t sf_handler; struct sigcontext sf_sc; siginfo_t sf_si; }; #endif
