xref: /onnv-gate/usr/src/cmd/mdb/intel/ia32/kmdb/kmdb_setcontext.s (revision 0:68f95e015346)
1*0Sstevel@tonic-gate/*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate/*
23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate#include <sys/asm_linkage.h>
30*0Sstevel@tonic-gate#include <sys/regset.h>
31*0Sstevel@tonic-gate
32*0Sstevel@tonic-gate#if defined(__lint)
33*0Sstevel@tonic-gate#include <ucontext.h>
34*0Sstevel@tonic-gate#endif
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate#include "kmdb_context_off.h"
37*0Sstevel@tonic-gate
38*0Sstevel@tonic-gate#if defined(__lint)
39*0Sstevel@tonic-gate/*ARGSUSED*/
40*0Sstevel@tonic-gateint
41*0Sstevel@tonic-gatekmdb_setcontext(ucontext_t *ucp)
42*0Sstevel@tonic-gate{
43*0Sstevel@tonic-gate	return (0);
44*0Sstevel@tonic-gate}
45*0Sstevel@tonic-gate#else
46*0Sstevel@tonic-gate
47*0Sstevel@tonic-gate	ENTRY(kmdb_setcontext)
48*0Sstevel@tonic-gate	pushl	%ebp
49*0Sstevel@tonic-gate	movl	%esp, %ebp
50*0Sstevel@tonic-gate
51*0Sstevel@tonic-gate	movl	8(%ebp), %eax
52*0Sstevel@tonic-gate	movl	UC_GREG(REG_SP)(%eax), %esp
53*0Sstevel@tonic-gate	movl	UC_GREG(REG_PC)(%eax), %eax
54*0Sstevel@tonic-gate
55*0Sstevel@tonic-gate	call	*%eax
56*0Sstevel@tonic-gate	/*NOTREACHED*/
57*0Sstevel@tonic-gate
58*0Sstevel@tonic-gate	leave
59*0Sstevel@tonic-gate	ret
60*0Sstevel@tonic-gate	SET_SIZE(kmdb_setcontext)
61*0Sstevel@tonic-gate#endif
62