1*7c478bd9Sstevel@tonic-gate/*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate/*
23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
28*7c478bd9Sstevel@tonic-gate
29*7c478bd9Sstevel@tonic-gate#include <sys/asm_linkage.h>
30*7c478bd9Sstevel@tonic-gate#include <sys/regset.h>
31*7c478bd9Sstevel@tonic-gate
32*7c478bd9Sstevel@tonic-gate#if defined(__lint)
33*7c478bd9Sstevel@tonic-gate#include <ucontext.h>
34*7c478bd9Sstevel@tonic-gate#endif
35*7c478bd9Sstevel@tonic-gate
36*7c478bd9Sstevel@tonic-gate#include "kmdb_context_off.h"
37*7c478bd9Sstevel@tonic-gate
38*7c478bd9Sstevel@tonic-gate#define	UC_GREG(name)	(UC_MCTX + MCTX_GREGS + (name * MCTX_GREGS_INCR))
39*7c478bd9Sstevel@tonic-gate
40*7c478bd9Sstevel@tonic-gate#if defined(__lint)
41*7c478bd9Sstevel@tonic-gate/*ARGSUSED*/
42*7c478bd9Sstevel@tonic-gateint
43*7c478bd9Sstevel@tonic-gatekmdb_setcontext(ucontext_t *ucp)
44*7c478bd9Sstevel@tonic-gate{
45*7c478bd9Sstevel@tonic-gate	return (0);
46*7c478bd9Sstevel@tonic-gate}
47*7c478bd9Sstevel@tonic-gate#else
48*7c478bd9Sstevel@tonic-gate
49*7c478bd9Sstevel@tonic-gate	ENTRY(kmdb_setcontext)
50*7c478bd9Sstevel@tonic-gate	flushw
51*7c478bd9Sstevel@tonic-gate
52*7c478bd9Sstevel@tonic-gate	mov	%o0, %g7
53*7c478bd9Sstevel@tonic-gate
54*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O0)], %o0
55*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O1)], %o1
56*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O2)], %o2
57*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O3)], %o3
58*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O4)], %o4
59*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O5)], %o5
60*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O6)], %o6
61*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O7)], %o7
62*7c478bd9Sstevel@tonic-gate
63*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G1)], %g1
64*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G2)], %g2
65*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G3)], %g3
66*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G4)], %g4
67*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G5)], %g5
68*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G6)], %g6
69*7c478bd9Sstevel@tonic-gate
70*7c478bd9Sstevel@tonic-gate	/* ick */
71*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_PC)], %l0
72*7c478bd9Sstevel@tonic-gate	jmp	%l0
73*7c478bd9Sstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G7)], %g7
74*7c478bd9Sstevel@tonic-gate
75*7c478bd9Sstevel@tonic-gate	SET_SIZE(kmdb_setcontext)
76*7c478bd9Sstevel@tonic-gate
77*7c478bd9Sstevel@tonic-gate#endif
78