xref: /onnv-gate/usr/src/cmd/sgs/rtld.4.x/elf_boot.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright (c) 1990 Sun Microsystems, Inc.
24*0Sstevel@tonic-gate  */
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate #ifndef _ELF_BOOT_H
27*0Sstevel@tonic-gate #define	_ELF_BOOT_H
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #ident	"%Z%%M%	%I%	%E% SMI"
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate /*
32*0Sstevel@tonic-gate  * Attribute/value structures used to bootstrap ELF-based dynamic linker.
33*0Sstevel@tonic-gate  */
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #ifndef	_ASM
36*0Sstevel@tonic-gate typedef struct {
37*0Sstevel@tonic-gate 	Elf32_Sword eb_tag;		/* what this one is */
38*0Sstevel@tonic-gate 	union {				/* possible values */
39*0Sstevel@tonic-gate 		Elf32_Word eb_val;
40*0Sstevel@tonic-gate 		Elf32_Addr eb_ptr;
41*0Sstevel@tonic-gate 		Elf32_Off  eb_off;
42*0Sstevel@tonic-gate 	} eb_un;
43*0Sstevel@tonic-gate } Elf32_Boot;
44*0Sstevel@tonic-gate #endif	/* _ASM */
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate /*
47*0Sstevel@tonic-gate  * Attributes
48*0Sstevel@tonic-gate  */
49*0Sstevel@tonic-gate #define	EB_NULL		0		/* (void) last entry */
50*0Sstevel@tonic-gate #define	EB_DYNAMIC	1		/* (*) dynamic structure of subject */
51*0Sstevel@tonic-gate #define	EB_LDSO_BASE	2		/* (caddr_t) base address of ld.so */
52*0Sstevel@tonic-gate #define	EB_ARGV		3		/* (caddr_t) argument vector */
53*0Sstevel@tonic-gate #define	EB_ENVP		4		/* (char **) environment strings */
54*0Sstevel@tonic-gate #define	EB_AUXV		5		/* (auxv_t *) auxiliary vector */
55*0Sstevel@tonic-gate #define	EB_DEVZERO	6		/* (int) fd for /dev/zero */
56*0Sstevel@tonic-gate #define	EB_PAGESIZE	7		/* (int) page size */
57*0Sstevel@tonic-gate #define	EB_MAX		8		/* number of "EBs" */
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate #endif	/* _ELF_BOOT_H */
60