imgact_elf.h revision 100384 
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 without 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 100384 2002-07-20 02:56:12Z peter $
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
40struct thread;
41
42#if ELF_TARG_CLASS == ELFCLASS32
43
44/*
45 * Structure used to pass infomation from the loader to the
46 * stack fixup routine.
47 */
48typedef struct {
49	Elf32_Sword	execfd;
50	Elf32_Word	phdr;
51	Elf32_Word	phent;
52	Elf32_Word	phnum;
53	Elf32_Word	pagesz;
54	Elf32_Word	base;
55	Elf32_Word	flags;
56	Elf32_Word	entry;
57	Elf32_Word	trace;
58} Elf32_Auxargs;
59
60typedef struct {
61	int brand;
62	int machine;
63	const char *compat_3_brand;	/* pre Binutils 2.10 method (FBSD 3) */
64	const char *emul_path;
65	const char *interp_path;
66        struct sysentvec *sysvec;
67} Elf32_Brandinfo;
68
69#define MAX_BRANDS      8
70
71int	elf32_brand_inuse(Elf32_Brandinfo *entry);
72int	elf32_insert_brand_entry(Elf32_Brandinfo *entry);
73int	elf32_remove_brand_entry(Elf32_Brandinfo *entry);
74int	elf32_freebsd_fixup(register_t **, struct image_params *);
75int	elf32_coredump(struct thread *, struct vnode *, off_t);
76
77#else /* !(ELF_TARG_CLASS == ELFCLASS32) */
78
79/*
80 * Structure used to pass infomation from the loader to the
81 * stack fixup routine.
82 */
83typedef struct {
84	Elf64_Sword	execfd;
85	Elf64_Addr	phdr;
86	Elf64_Word	phent;
87	Elf64_Word	phnum;
88	Elf64_Word	pagesz;
89	Elf64_Addr	base;
90	Elf64_Word	flags;
91	Elf64_Addr	entry;
92	Elf64_Word	trace;
93} Elf64_Auxargs;
94
95typedef struct {
96	int brand;
97	int machine;
98	const char *compat_3_brand;	/* pre Binutils 2.10 method (FBSD 3) */
99	const char *emul_path;
100	const char *interp_path;
101        struct sysentvec *sysvec;
102} Elf64_Brandinfo;
103
104#define MAX_BRANDS      8
105
106int	elf64_brand_inuse(Elf64_Brandinfo *entry);
107int	elf64_insert_brand_entry(Elf64_Brandinfo *entry);
108int	elf64_remove_brand_entry(Elf64_Brandinfo *entry);
109int	elf64_freebsd_fixup(register_t **, struct image_params *);
110int	elf64_coredump(struct thread *, struct vnode *, off_t);
111
112#endif /* ELF_TARG_CLASS == ELFCLASS32 */
113
114#endif /* _KERNEL */
115
116#endif /* !_SYS_IMGACT_ELF_H_ */
117