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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #ident "%Z%%M% %I% %E% SMI"
28
29 #include <sys/asm_linkage.h>
30
31 #if defined(lint)
32
33 /*ARGSUSED*/
34 void
35 lx_runexe(void *argv, int32_t entry)
36 {
37 }
38
39 #else /* lint */
40
41 /*
42 * Set our stack pointer, clear the general registers,
43 * and jump to the brand linker's entry point.
44 */
45 ENTRY_NP(lx_runexe)
46 movl 4(%esp), %eax / %eax = &argv[0]
47 movl 8(%esp), %ebx / Brand linker's entry point in %ebx
48 subl $4, %eax / Top of stack - must point at argc
49 movl %eax, %esp / Set %esp to what linkers expect
50
51 movl $0, %eax
52 movl $0, %ecx
53 movl $0, %edx
54 movl $0, %esi
55 movl $0, %edi
56 movl $0, %ebp
57
58 jmp *%ebx / And away we go...
59 SET_SIZE(lx_runexe)
60
61 #endif /* lint */