1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#if defined(__lint) 28#include <kmdb/kmdb_start.h> 29#endif 30 31#include <sys/asm_linkage.h> 32 33/* 34 * This routine is called for the initial trip into the debugger. We need 35 * to switch over to the debugger stack before entering the debugger. 36 * Subsequent re-entries will longjmp their way in. 37 */ 38#if defined(__lint) 39void 40kmdb_first_start(void) 41{ 42} 43#else 44 45 ENTRY(kmdb_first_start) 46 movq kmdb_main_stack, %rsp 47 movq kmdb_main_stack_size, %rbx 48 49 addq %rbx, %rsp 50 subq $1, %rsp 51 andq $_BITNOT(STACK_ALIGN-1), %rsp 52 53 call kmdb_main 54 55 ret 56 SET_SIZE(kmdb_first_start) 57 58#endif 59