imgact_elf.h revision 72999 
1/*-
2 * Copyright (c) 1995-1996 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer
10 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software withough specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/sys/imgact_elf.h 72999 2001-02-24 22:20:11Z obrien $
29 */
30
31#ifndef _SYS_IMGACT_ELF_H_
32#define _SYS_IMGACT_ELF_H_
33
34#include <machine/elf.h>
35
36#ifdef _KERNEL
37
38#define AUXARGS_ENTRY(pos, id, val) {suword(pos++, id); suword(pos++, val);}
39
40#if ELF_TARG_CLASS == ELFCLASS32
41
42/*
43 * Structure used to pass infomation from the loader to the
44 * stack fixup routine.
45 */
46typedef struct {
47	Elf32_Sword	execfd;
48	Elf32_Word	phdr;
49	Elf32_Word	phent;
50	Elf32_Word	phnum;
51	Elf32_Word	pagesz;
52	Elf32_Word	base;
53	Elf32_Word	flags;
54	Elf32_Word	entry;
55	Elf32_Word	trace;
56} Elf32_Auxargs;
57
58typedef struct {
59	int brand;
60	const char *compat_3_brand;	/* pre Binutils 2.10 method (FBSD 3) */
61	const char *emul_path;
62	const char *interp_path;
63        struct sysentvec *sysvec;
64} Elf32_Brandinfo;
65
66#define MAX_BRANDS      8
67
68int	elf_brand_inuse        __P((Elf32_Brandinfo *entry));
69int	elf_insert_brand_entry __P((Elf32_Brandinfo *entry));
70int	elf_remove_brand_entry __P((Elf32_Brandinfo *entry));
71
72#else /* !(ELF_TARG_CLASS == ELFCLASS32) */
73
74/*
75 * Structure used to pass infomation from the loader to the
76 * stack fixup routine.
77 */
78typedef struct {
79	Elf64_Sword	execfd;
80	Elf64_Addr	phdr;
81	Elf64_Word	phent;
82	Elf64_Word	phnum;
83	Elf64_Word	pagesz;
84	Elf64_Addr	base;
85	Elf64_Word	flags;
86	Elf64_Addr	entry;
87	Elf64_Word	trace;
88} Elf64_Auxargs;
89
90typedef struct {
91	int brand;
92	const char *compat_3_brand;	/* pre Binutils 2.10 method (FBSD 3) */
93	const char *emul_path;
94	const char *interp_path;
95        struct sysentvec *sysvec;
96} Elf64_Brandinfo;
97
98#define MAX_BRANDS      8
99
100int	elf_brand_inuse        __P((Elf64_Brandinfo *entry));
101int	elf_insert_brand_entry __P((Elf64_Brandinfo *entry));
102int	elf_remove_brand_entry __P((Elf64_Brandinfo *entry));
103
104#endif /* ELF_TARG_CLASS == ELFCLASS32 */
105
106struct proc;
107
108int	elf_coredump __P((struct proc *, struct vnode *, off_t));
109
110#endif /* _KERNEL */
111
112#endif /* !_SYS_IMGACT_ELF_H_ */
113