xref: /titanic_51/usr/src/cmd/sgs/rtld.4.x/elf_boot.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1990 Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate  */
25*7c478bd9Sstevel@tonic-gate 
26*7c478bd9Sstevel@tonic-gate #ifndef _ELF_BOOT_H
27*7c478bd9Sstevel@tonic-gate #define	_ELF_BOOT_H
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate #ident	"%Z%%M%	%I%	%E% SMI"
30*7c478bd9Sstevel@tonic-gate 
31*7c478bd9Sstevel@tonic-gate /*
32*7c478bd9Sstevel@tonic-gate  * Attribute/value structures used to bootstrap ELF-based dynamic linker.
33*7c478bd9Sstevel@tonic-gate  */
34*7c478bd9Sstevel@tonic-gate 
35*7c478bd9Sstevel@tonic-gate #ifndef	_ASM
36*7c478bd9Sstevel@tonic-gate typedef struct {
37*7c478bd9Sstevel@tonic-gate 	Elf32_Sword eb_tag;		/* what this one is */
38*7c478bd9Sstevel@tonic-gate 	union {				/* possible values */
39*7c478bd9Sstevel@tonic-gate 		Elf32_Word eb_val;
40*7c478bd9Sstevel@tonic-gate 		Elf32_Addr eb_ptr;
41*7c478bd9Sstevel@tonic-gate 		Elf32_Off  eb_off;
42*7c478bd9Sstevel@tonic-gate 	} eb_un;
43*7c478bd9Sstevel@tonic-gate } Elf32_Boot;
44*7c478bd9Sstevel@tonic-gate #endif	/* _ASM */
45*7c478bd9Sstevel@tonic-gate 
46*7c478bd9Sstevel@tonic-gate /*
47*7c478bd9Sstevel@tonic-gate  * Attributes
48*7c478bd9Sstevel@tonic-gate  */
49*7c478bd9Sstevel@tonic-gate #define	EB_NULL		0		/* (void) last entry */
50*7c478bd9Sstevel@tonic-gate #define	EB_DYNAMIC	1		/* (*) dynamic structure of subject */
51*7c478bd9Sstevel@tonic-gate #define	EB_LDSO_BASE	2		/* (caddr_t) base address of ld.so */
52*7c478bd9Sstevel@tonic-gate #define	EB_ARGV		3		/* (caddr_t) argument vector */
53*7c478bd9Sstevel@tonic-gate #define	EB_ENVP		4		/* (char **) environment strings */
54*7c478bd9Sstevel@tonic-gate #define	EB_AUXV		5		/* (auxv_t *) auxiliary vector */
55*7c478bd9Sstevel@tonic-gate #define	EB_DEVZERO	6		/* (int) fd for /dev/zero */
56*7c478bd9Sstevel@tonic-gate #define	EB_PAGESIZE	7		/* (int) page size */
57*7c478bd9Sstevel@tonic-gate #define	EB_MAX		8		/* number of "EBs" */
58*7c478bd9Sstevel@tonic-gate 
59*7c478bd9Sstevel@tonic-gate #endif	/* _ELF_BOOT_H */
60