1 /*- 2 * Mach Operating System 3 * Copyright (c) 1991,1990 Carnegie Mellon University 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify and distribute this software and its 7 * documentation is hereby granted, provided that both the copyright 8 * notice and this permission notice appear in all copies of the 9 * software, derivative works or modified versions, and any portions 10 * thereof, and that both notices appear in supporting documentation. 11 * 12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 * 16 * Carnegie Mellon requests users of this software to return to 17 * 18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19 * School of Computer Science 20 * Carnegie Mellon University 21 * Pittsburgh PA 15213-3890 22 * 23 * any improvements or extensions that they make and grant Carnegie the 24 * rights to redistribute these changes. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _MACHINE_STACK_H_ 30 #define _MACHINE_STACK_H_ 31 32 /* 33 * Stack trace. 34 */ 35 #define INKERNEL(va) (((vm_offset_t)(va)) >= USRSTACK && \ 36 ((vm_offset_t)(va)) < VM_MAX_KERNEL_ADDRESS) 37 38 struct i386_frame { 39 struct i386_frame *f_frame; 40 int f_retaddr; 41 int f_arg0; 42 }; 43 44 #endif /* !_MACHINE_STACK_H_ */ 45