home *** CD-ROM | disk | FTP | other *** search
- /*-
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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
- */
-
- /*
- * System stack frames.
- */
-
- /*
- * Exception/Trap Stack Frame
- */
-
- struct trapframe {
- int tf_es;
- int tf_ds;
- int tf_edi;
- int tf_esi;
- int tf_ebp;
- int tf_isp;
- int tf_ebx;
- int tf_edx;
- int tf_ecx;
- int tf_eax;
- int tf_trapno;
- /* below portion defined in 386 hardware */
- int tf_err;
- int tf_eip;
- int tf_cs;
- int tf_eflags;
- /* below only when transitting rings (e.g. user to kernel) */
- int tf_esp;
- int tf_ss;
- };
-
- /* Interrupt stack frame */
-
- struct intrframe {
- int if_vec;
- int if_ppl;
- int if_es;
- int if_ds;
- int if_edi;
- int if_esi;
- int if_ebp;
- int :32;
- int if_ebx;
- int if_edx;
- int if_ecx;
- int if_eax;
- int :32; /* for compat with trap frame - trapno */
- int :32; /* for compat with trap frame - err */
- /* 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;
- };
-
- /*
- * Call Gate/System Call Stack Frame
- */
-
- struct syscframe {
- int sf_edi;
- int sf_esi;
- int sf_ebp;
- int :32; /* redundant save of isp */
- int sf_ebx;
- int sf_edx;
- int sf_ecx;
- int sf_eax;
- int sf_eflags;
- /* below portion defined in 386 hardware */
- /* int sf_args[N]; /* if call gate copy args enabled!*/
- int sf_eip;
- int sf_cs;
- /* below only when transitting rings (e.g. user to kernel) */
- int sf_esp;
- int sf_ss;
- };
-