17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
57c478bdstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
67c478bdstevel@tonic-gate * (the "License").  You may not use this file except in compliance
77c478bdstevel@tonic-gate * with the License.
87c478bdstevel@tonic-gate *
97c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
107c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
117c478bdstevel@tonic-gate * See the License for the specific language governing permissions
127c478bdstevel@tonic-gate * and limitations under the License.
137c478bdstevel@tonic-gate *
147c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
157c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
167c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
177c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
187c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
197c478bdstevel@tonic-gate *
207c478bdstevel@tonic-gate * CDDL HEADER END
217c478bdstevel@tonic-gate */
227c478bdstevel@tonic-gate/*
237c478bdstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
247c478bdstevel@tonic-gate * Use is subject to license terms.
257c478bdstevel@tonic-gate */
267c478bdstevel@tonic-gate
277c478bdstevel@tonic-gate#pragma ident	"%Z%%M%	%I%	%E% SMI"
287c478bdstevel@tonic-gate
297c478bdstevel@tonic-gate#include <sys/asm_linkage.h>
307c478bdstevel@tonic-gate#include <sys/regset.h>
317c478bdstevel@tonic-gate
327c478bdstevel@tonic-gate#if defined(__lint)
337c478bdstevel@tonic-gate#include <ucontext.h>
347c478bdstevel@tonic-gate#endif
357c478bdstevel@tonic-gate
367c478bdstevel@tonic-gate#include "kmdb_context_off.h"
377c478bdstevel@tonic-gate
387c478bdstevel@tonic-gate#define	UC_GREG(name)	(UC_MCTX + MCTX_GREGS + (name * MCTX_GREGS_INCR))
397c478bdstevel@tonic-gate
407c478bdstevel@tonic-gate#if defined(__lint)
417c478bdstevel@tonic-gate/*ARGSUSED*/
427c478bdstevel@tonic-gateint
437c478bdstevel@tonic-gatekmdb_setcontext(ucontext_t *ucp)
447c478bdstevel@tonic-gate{
457c478bdstevel@tonic-gate	return (0);
467c478bdstevel@tonic-gate}
477c478bdstevel@tonic-gate#else
487c478bdstevel@tonic-gate
497c478bdstevel@tonic-gate	ENTRY(kmdb_setcontext)
507c478bdstevel@tonic-gate	flushw
517c478bdstevel@tonic-gate
527c478bdstevel@tonic-gate	mov	%o0, %g7
537c478bdstevel@tonic-gate
547c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O0)], %o0
557c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O1)], %o1
567c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O2)], %o2
577c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O3)], %o3
587c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O4)], %o4
597c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O5)], %o5
607c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O6)], %o6
617c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_O7)], %o7
627c478bdstevel@tonic-gate
637c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G1)], %g1
647c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G2)], %g2
657c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G3)], %g3
667c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G4)], %g4
677c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G5)], %g5
687c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G6)], %g6
697c478bdstevel@tonic-gate
707c478bdstevel@tonic-gate	/* ick */
717c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_PC)], %l0
727c478bdstevel@tonic-gate	jmp	%l0
737c478bdstevel@tonic-gate	ldx	[%g7 + UC_GREG(REG_G7)], %g7
747c478bdstevel@tonic-gate
757c478bdstevel@tonic-gate	SET_SIZE(kmdb_setcontext)
767c478bdstevel@tonic-gate
777c478bdstevel@tonic-gate#endif
78