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#pragma ident "%Z%%M% %I% %E% SMI" 28 29#if defined(__lint) 30#include <kmdb/kmdb_start.h> 31#endif 32 33#include <sys/asm_linkage.h> 34 35/* 36 * This routine is called for the initial trip into the debugger. We need 37 * to switch over to the debugger stack before entering the debugger. 38 * Subsequent re-entries will longjmp their way in. 39 */ 40#if defined(__lint) 41void 42kmdb_first_start(void) 43{ 44} 45#else 46 47 ENTRY(kmdb_first_start) 48 movq kmdb_main_stack, %rsp 49 movq kmdb_main_stack_size, %rbx 50 51 addq %rbx, %rsp 52 subq $1, %rsp 53 andq $_BITNOT(STACK_ALIGN-1), %rsp 54 55 call kmdb_main 56 57 ret 58 SET_SIZE(kmdb_first_start) 59 60#endif 61