kmdb_start.s revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#if defined(__lint)
#include <kmdb/kmdb_start.h>
#endif
#include <sys/asm_linkage.h>
/*
* This routine is called for the initial trip into the debugger. We need
* to switch over to the debugger stack before entering the debugger.
* Subsequent re-entries will longjmp their way in.
*/
#if defined(__lint)
void
kmdb_first_start(void)
{
}
#else
ENTRY(kmdb_first_start)
movl kmdb_main_stack, %eax
movl kmdb_main_stack_size, %ebx
addl %ebx, %eax
subl $1, %eax
andl $_BITNOT(STACK_ALIGN-1), %eax
movl %eax, %esp
clr %ebx
call kmdb_main
ret
SET_SIZE(kmdb_first_start)
#endif